CN113830119A - Empty spring upper cover plate, air spring and train - Google Patents
Empty spring upper cover plate, air spring and train Download PDFInfo
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- CN113830119A CN113830119A CN202111197080.0A CN202111197080A CN113830119A CN 113830119 A CN113830119 A CN 113830119A CN 202111197080 A CN202111197080 A CN 202111197080A CN 113830119 A CN113830119 A CN 113830119A
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- cover plate
- upper cover
- air spring
- spring upper
- air
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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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/10—Bolster supports or mountings incorporating fluid springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides an air spring upper cover plate, an air spring and a train, and relates to the technical field of trains. Wherein, be equipped with altitude valve subassembly mounting structure, anti snakelike shock absorber subassembly mounting structure, anti side roll torsion bar mounting structure, gasbag mounting structure, automobile body connection structure, first altitude mixture control gas port and second altitude mixture control gas port on this empty spring upper cover plate, first altitude mixture control gas port sets up in the lower surface of empty spring upper cover plate, and first altitude mixture control gas port and second altitude mixture control gas port are through forming the altitude mixture control air flue intercommunication in empty spring upper cover plate. The air spring comprises the air spring upper cover plate. The train comprises the air spring. According to the air spring upper cover plate, the air spring and the train, the altitude valve assembly mounting structure, the snake-shaped shock absorber assembly mounting structure and the side rolling resistant torsion bar mounting structure are arranged on the air spring upper cover plate, so that the assembly and disassembly efficiency of a secondary suspension system can be improved, and the manufacturing and maintenance cost of the train can be reduced.
Description
Technical Field
The invention relates to the technical field of trains, in particular to an air spring upper cover plate, an air spring and a train.
Background
The secondary suspension system is an important component of the train suspension system. The secondary suspension system is a connecting system between the framework and the vehicle body and can play a role in supporting and buffering the vehicle body.
The secondary suspension system usually comprises an air spring, an anti-snake-shaped shock absorber assembly, an anti-side-rolling torsion bar and an altitude valve assembly, wherein two ends of the anti-snake-shaped shock absorber assembly, the anti-side-rolling torsion bar and the altitude valve assembly are respectively connected with a vehicle body and a framework. The air spring comprises an air spring upper cover plate, an air bag and an air spring lower cover plate, the upper end and the lower end of the air bag are respectively fastened and connected with the air spring upper cover plate and the air spring lower cover plate, an air spring inner cavity is defined by the air bag, the air spring upper cover plate and the air spring lower cover plate, the air spring is fastened and connected with a vehicle body and a framework through the air spring upper cover plate and the air spring lower cover plate, and a height valve assembly is communicated with the air spring inner cavity and used for adjusting air quantity in the air spring inner cavity so as to control the height difference of the upper end and the lower end of the air spring.
The existing secondary suspension system has low disassembly and assembly efficiency.
Disclosure of Invention
The invention aims to provide an air spring upper cover plate, an air spring and a train, and aims to solve the problem that a secondary suspension system in the prior art is low in disassembly and assembly efficiency.
The invention provides an air spring upper cover plate, which is provided with a height valve assembly mounting structure, an anti-snake-shaped shock absorber assembly mounting structure, an anti-rolling torsion bar mounting structure, an air bag mounting structure, a vehicle body connecting structure, a first height adjusting air port and a second height adjusting air port.
The first height adjusting air port is arranged on the lower surface of the air spring upper cover plate and used for communicating an air spring inner cavity defined by the air spring upper cover plate and an air bag arranged on the air spring upper cover plate.
The second altitude adjustment port is in communication with the altitude valve assembly.
The first height adjusting air port and the second height adjusting air port are communicated through a height adjusting air passage formed in the air spring upper cover plate.
Optionally, the air spring upper cover plate includes a first mounting portion and a second mounting portion that are integrally formed, the first mounting portion is a circular plate, and the airbag mounting structure is disposed on the first mounting portion.
One side of first installation department outwards bulges and forms the second installation department, and anti snakelike shock absorber subassembly mounting structure locates on the second installation department, and is located the edge of keeping away from first installation department on the second installation department.
Optionally, the altitude valve assembly mounting structure and the anti-roll torsion bar mounting structure are both provided at an edge of the second mounting portion.
Optionally, the upper surface of the first installation portion is provided with a positioning hole matched with the positioning column on the vehicle body, the positioning hole is a blind hole, and the positioning hole is arranged between the circle center of the first installation portion and the second installation portion.
Optionally, the second height adjustment air port is provided in a side surface of the air spring upper cover plate.
Optionally, the air spring upper cover plate is further provided with a first differential pressure adjusting air port and a second differential pressure adjusting air port.
The first differential pressure adjusting air port is arranged on the lower surface of the air spring upper cover plate and is used for being communicated with the air spring cavity.
And the second differential pressure regulating air port is arranged on the side surface of the air spring upper cover plate and is used for communicating with the differential pressure valve assembly.
The first differential pressure regulating air port and the second differential pressure regulating air port are communicated through a differential pressure regulating air passage formed in the air spring upper cover plate.
Optionally, the airbag mounting structure includes a plurality of airbag mounting holes that are equidistantly distributed along the circumference, the airbag mounting holes are through holes, and the upper surface of the hollow spring upper cover plate is provided with first counter bores that are in one-to-one correspondence with the airbag mounting holes.
And/or, altitude valve subassembly mounting structure is including locating the altitude valve subassembly mounting hole that a plurality of intervals of the lower surface of air spring upper cover plate set up, all inlays in every altitude valve subassembly mounting hole and has first thread bush.
And/or, anti snakelike shock absorber subassembly mounting structure is including locating a plurality of anti snakelike shock absorber subassembly mounting holes that are matrix interval distribution on the empty spring upper cover plate, and anti snakelike shock absorber subassembly mounting hole is the through-hole, and the upper surface of empty spring upper cover plate is equipped with the second counter sink with anti snakelike shock absorber subassembly mounting hole one-to-one.
And/or the anti-rolling torsion bar mounting structure comprises a plurality of anti-rolling torsion bar mounting holes arranged at intervals on the lower surface of the upper cover plate of the hollow spring, and a second thread sleeve is embedded in each anti-rolling torsion bar mounting hole.
And/or the vehicle body connecting structure comprises a plurality of vehicle body connecting holes which are arranged on the upper surface of the air spring upper cover plate and distributed at intervals in a matrix manner, and a third thread sleeve is embedded in each vehicle body connecting hole.
The present invention provides an air spring, including: the air bag, the air spring lower cover plate and the air spring upper cover plate.
The lower end of the air bag is fixedly connected with the air spring lower cover plate, the upper end of the air bag is fixedly connected with the air spring upper cover plate through an air bag mounting structure of the air spring upper cover plate, and an air spring inner cavity is limited by the air spring upper cover plate, the air spring lower cover plate and the air bag.
The present invention provides a train, comprising: the air spring comprises a vehicle body, a framework, a height valve component, an anti-snake shock absorber component, an anti-roll torsion bar and the air spring.
Wheels are installed on the framework, an air spring lower cover plate of the air spring is fixedly connected with the framework, and an air spring upper cover plate of the air spring is fixedly connected with the vehicle body.
One ends of the altitude valve assembly, the anti-snake-shaped shock absorber assembly and the anti-rolling torsion bar are all installed on the framework, and the other ends of the altitude valve assembly, the anti-snake-shaped shock absorber assembly and the anti-rolling torsion bar are installed on the hollow spring upper cover plate through the altitude valve assembly installation structure, the anti-snake-shaped shock absorber assembly installation structure and the anti-rolling torsion bar installation structure of the hollow spring upper cover plate respectively.
And the vehicle body is provided with an air supply device which is communicated with a second height adjusting air port of the air spring upper cover plate through a height valve assembly.
Optionally, the altitude valve assembly comprises an altitude adjusting rod, an altitude valve and a support, the support is fixedly connected with the air spring upper cover plate through an altitude valve assembly mounting structure, the altitude valve is fixedly connected with the support, one end of the altitude adjusting rod is fixedly connected with the framework, the other end of the altitude adjusting rod is hinged to the altitude valve, the altitude adjusting rod is used for controlling the altitude valve, and a first air port and a second air port of the altitude valve are respectively communicated with the air supply device and a second altitude adjusting air port through air pipes.
And/or, the anti-snake-shaped vibration damper assembly comprises an anti-snake-shaped vibration damper and a mounting seat, the mounting seat is fixedly connected with the air spring upper cover plate through an anti-snake-shaped vibration damper assembly mounting structure, one end of the anti-snake-shaped vibration damper is hinged with the mounting seat, and the other end of the anti-snake-shaped vibration damper is hinged with the framework.
According to the air spring upper cover plate, the air spring and the train, the altitude valve assembly mounting structure, the snake-shaped shock absorber assembly mounting structure and the side rolling resistant torsion bar mounting structure are arranged on the air spring upper cover plate. When the secondary suspension system is installed, the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar can be installed on the air spring upper cover plate of the air spring in an open space, then the air spring upper cover plate is connected with a vehicle body in a narrow operation space under the vehicle, and the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar can be assembled while the air spring upper cover plate is assembled on the vehicle body, so that the installation work in the narrow space under the vehicle can be reduced, and the installation efficiency of the secondary suspension system can be improved. When the secondary suspension system is required to be detached from the vehicle body, the hollow spring upper cover plate is only required to be detached from the vehicle body in the narrow space below the vehicle, the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar can be synchronously detached from the vehicle body, and if the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar are required to be detached from the hollow spring upper cover plate, the operation can be carried out in a more open space, the work in the narrow space below the vehicle is reduced, and the detachment efficiency of the secondary suspension system can be improved. In addition, the height valve component mounting structure, the snake-shaped resistance shock absorber component mounting structure and the anti-rolling torsion bar mounting structure are not required to be processed on the train body when a large train body is manufactured, and are processed on the air spring upper cover plate with a smaller size, the whole train is simpler to manufacture, the manufacturing cost is lower, and when the height valve component mounting structure, the snake-shaped resistance shock absorber component mounting structure and the anti-rolling torsion bar mounting structure are damaged, the air spring upper cover plate can be maintained or replaced, the efficiency is higher, and the cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a first perspective of an embodiment of a blank spring upper cover plate according to the present invention;
FIG. 2 is a schematic diagram of a second perspective of an embodiment of a blank spring upper cover plate according to the present invention;
FIG. 3 is a schematic diagram of a third perspective of an embodiment of a blank spring upper cover plate in accordance with the present invention;
FIG. 4 is a schematic illustration of an air spring having an embodiment of the overhead spring cover of the present invention shown from a first perspective when mounted on a frame;
FIG. 5 is a schematic illustration of an air spring having an embodiment of the overhead spring cover of the present invention shown from a second perspective when mounted on a frame.
Description of reference numerals:
100. an air spring upper cover plate; 110. an airbag mounting hole; 111. a first counterbore; 120. a vehicle body attachment hole; 130. a height valve assembly mounting hole; 140. anti-side-rolling torsion bar mounting holes; 150. an anti-snake shock absorber assembly mounting hole; 151. a second counterbore; 161. a second height adjustment air port; 162. a second differential pressure regulating gas port; 163. a first height adjustment air port; 164. a first differential pressure regulating gas port; 170. a first mounting portion; 180. a second mounting portion; 181. positioning holes; 190. a weight reduction groove; 200. an air bag; 300. a frame; 400. an anti-roll torsion bar; 500. an anti-snake shock absorber assembly; 510. a mounting seat; 520. an anti-snake shock absorber; 600. a height valve assembly; 610. a height adjusting lever; 611. fixing the rod; 612. a connecting rod; 620. a altitude valve; 630. a support; 700. a differential pressure valve assembly; 800. and a hollow spring lower cover plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the existing secondary suspension system, an air spring, an anti-snake-shaped shock absorber assembly, an anti-side-rolling torsion bar and a height valve assembly are respectively connected with a vehicle body, the air spring, the anti-snake-shaped shock absorber assembly, the anti-side-rolling torsion bar and the height valve assembly are required to be respectively installed on the vehicle body when the secondary suspension system is installed, the air spring, the anti-snake-shaped shock absorber assembly, the anti-side-rolling torsion bar and the height valve assembly are also required to be respectively detached from the vehicle body when the secondary suspension system is detached from the vehicle body, the dismounting difficulty of an operator is high in a narrow space under the vehicle, and the dismounting efficiency of the secondary suspension system is low. In addition, because the snake-shaped damper assembly, the anti-rolling torsion bar and the altitude valve assembly need to be installed on the vehicle body, the altitude valve assembly installation structure, the snake-shaped damper assembly installation structure and the anti-rolling torsion bar installation structure need to be processed on the vehicle body during manufacturing of the vehicle body, the size of an assembly part of the vehicle body is large, the space and equipment requirements for processing on a large-size component are high, the manufacturing difficulty is high, and the cost is high. In addition, when the altitude valve component mounting structure, the anti-snake-shaped shock absorber component mounting structure and the anti-rolling torsion bar mounting structure are damaged, only the assembly parts of the vehicle body provided with the altitude valve component mounting structure, the anti-snake-shaped shock absorber component mounting structure and the anti-rolling torsion bar mounting structure can be maintained and replaced, so that the maintenance and replacement efficiency is low, and the cost is high.
In order to solve the technical problem, the inventor arranges a height valve component mounting structure, a snake-shaped shock absorber component mounting structure and a side rolling resistant torsion bar mounting structure on an air spring upper cover plate. When the secondary suspension system is installed, the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar can be installed on the air spring upper cover plate of the air spring in an open space, then the air spring upper cover plate is connected with a vehicle body in a narrow operation space under the vehicle, and the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar can be assembled while the air spring upper cover plate is assembled on the vehicle body, so that the installation work in the narrow space under the vehicle can be reduced, and the installation efficiency of the secondary suspension system can be improved. When the secondary suspension system is required to be detached from the vehicle body, the hollow spring upper cover plate is only required to be detached from the vehicle body in the narrow space below the vehicle, the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar can be synchronously detached from the vehicle body, and if the height valve assembly, the snake-shaped resistance vibration absorber assembly and the side rolling resistance torsion bar are required to be detached from the hollow spring upper cover plate, the operation can be carried out in a more open space, the work in the narrow space below the vehicle is reduced, and the detachment efficiency of the secondary suspension system can be improved. In addition, the height valve component mounting structure, the snake-shaped resistance shock absorber component mounting structure and the anti-rolling torsion bar mounting structure are not required to be processed on the train body when a large train body is manufactured, and are processed on the air spring upper cover plate with a smaller size, the whole train is simpler to manufacture, the manufacturing cost is lower, and when the height valve component mounting structure, the snake-shaped resistance shock absorber component mounting structure and the anti-rolling torsion bar mounting structure are damaged, the air spring upper cover plate can be maintained or replaced, the efficiency is higher, and the cost is lower.
The air spring upper cover plate, the air spring and the train provided by the application are described in detail below with reference to specific embodiments.
Fig. 1 is a schematic view of a first perspective of an embodiment of a proposed aero spring upper cover, fig. 2 is a schematic view of a second perspective of an embodiment of a proposed aero spring upper cover, fig. 3 is a schematic view of a third perspective of an embodiment of a proposed aero spring upper cover, fig. 4 is a schematic view of a first perspective when an air spring with an embodiment of a proposed aero spring upper cover is mounted on a frame, and fig. 5 is a schematic view of a second perspective when an air spring with an embodiment of a proposed aero spring upper cover is mounted on a frame.
As shown in fig. 1 to 5, the air spring upper cover plate 100 according to the present embodiment is provided with a height valve assembly mounting structure, an anti-snake damper assembly mounting structure, an anti-roll torsion bar mounting structure, an air bag mounting structure, a vehicle body attachment structure, a first height adjustment air port 163 and a second height adjustment air port 161, which are provided in the air spring upper cover plate 100.
The first height adjustment air port 163 is provided in the lower surface of the air spring upper cover 100 for communicating with the air spring inner chamber defined by the air spring upper cover 100 and the air bag 200 mounted on the air spring upper cover 100.
The second height adjustment port 161 is used to communicate with the height valve assembly 600.
The first height-adjustment air port 163 and the second height-adjustment air port 161 communicate through a height-adjustment air passage formed in the air spring upper cover plate 100.
It will be appreciated that the altitude valve assembly mounting structure is used to mount the altitude valve assembly 600 to the air spring top plate 100, the anti-snake damper assembly mounting structure is used to mount the anti-snake damper 520 to the air spring top plate 100, the anti-roll torsion bar mounting structure is used to mount the anti-roll torsion bar 400 to the air spring top plate 100, the air bag mounting structure is used to mount the air bag 200 of the air spring to the air spring top plate 100, and the vehicle body attachment structure is used to mount the air spring top plate 100 to the vehicle body.
In the above embodiment, the altitude valve assembly 600, the anti-snake damper 520 and the anti-roll torsion bar 400 may be mounted on the empty spring upper cover plate 100 and then mounted on the vehicle body through the empty spring upper cover plate 100, so that the entire secondary suspension system may be mounted on and dismounted from the vehicle body through the empty spring upper cover plate 100, thereby reducing the work in the narrow space under the vehicle and improving the efficiency of mounting and dismounting the secondary suspension system. In addition, the manufacturing of the whole train is simpler, the manufacturing cost is lower, the maintenance efficiency is higher after the height valve assembly mounting structure, the snake-shaped resistance shock absorber assembly mounting structure and the side rolling resistance torsion bar mounting structure are damaged, and the maintenance cost is lower.
In some possible embodiments, the air spring upper cover plate 100 includes a first mounting portion 170 and a second mounting portion 180 that are integrally formed, the first mounting portion 170 is a circular plate, and the airbag mounting structure is provided to the first mounting portion 170.
One side of the first mounting portion 170 protrudes outward to form a second mounting portion 180, and the anti-snake shaped vibration damper assembly mounting structure is provided on the second mounting portion 180.
Because the air spring mounting position on the frame 300 has a certain distance from the anti-snake like shock absorber assembly 500 mounting position, so arranged, the distance between the anti-snake like shock absorber assembly mounting structure and the anti-snake like shock absorber assembly 500 mounting position on the frame 300 can be shortened to avoid the failure of the anti-snake like shock absorber 520 caused by the overlong anti-snake like shock absorber 520 in the anti-snake like shock absorber assembly 500.
In some examples, the anti-snake damper assembly mounting structure is located on an edge of the second mounting portion 180 distal from the first mounting portion 170.
So set up, can be guaranteeing under the effectual prerequisite of anti snakelike shock absorber subassembly 500, reduce the size of second installation department 180, do benefit to the lightweight design.
In some possible embodiments, both the altitude valve assembly mounting structure and the anti-roll torsion bar mounting structure are provided on the second mounting portion 180.
With the arrangement, the height valve assembly 600 and the anti-rolling torsion bar 400 are conveniently mounted, and the influence on the height valve assembly 600 and the anti-rolling torsion bar 400 when the volume of the air bag 200 mounted on the air spring upper cover plate 100 is changed is avoided.
In some examples, the altitude valve assembly mounting structure and the anti-roll torsion bar mounting structure are both provided at an edge of the second mounting portion 180.
So set up, do benefit to the size that reduces second installation department 180, do benefit to the lightweight design.
For example, the second mounting portion 180 has a first side and a second side perpendicular to each other, the minimum distance from the first side to the center of the first mounting portion 170 is the largest, the anti-snake damper assembly mounting structure is disposed on the first side, and the altitude valve assembly mounting structure and the anti-roll torsion bar mounting structure are disposed on the second side at an interval.
In some possible embodiments, the upper surface of the hollow spring upper cover plate 100 is provided with a positioning hole 181 matched with a positioning column of the vehicle body.
So set up, be convenient for make empty spring upper cover plate 100 fix a position fast when the installation, do benefit to and improve the installation effectiveness.
In some possible embodiments, the positioning hole 181 is disposed on the upper surface of the first mounting portion 170 and located between the center of the first mounting portion 170 and the second mounting portion 180, and the positioning hole 181 is a blind hole.
With this arrangement, the altitude valve assembly mounting structure, the anti-snake shock absorber assembly mounting structure and the anti-roll torsion bar mounting structure provided on the second mounting portion 180 can be made closer to the middle portion of the frame 300, which is advantageous for mounting the altitude valve assembly 600, the anti-snake shock absorber assembly 500 and the anti-roll torsion bar 400 mounted on the frame 300 onto the empty spring upper cover plate 100.
In some possible embodiments, the second height adjustment air port 161 is provided in a side surface of the aero spring upper cover plate 100.
So set up, can make the connection of the upper surface of empty spring upper cover plate 100 and automobile body inseparabler, reduced the vertical installation space that secondary suspension system must, do benefit to the connection installation of empty spring upper cover plate 100 and automobile body.
In some possible embodiments, the air spring upper cover plate 100 is further provided with a first differential pressure regulating air port 164 and a second differential pressure regulating air port 162.
The first differential pressure regulating air port 164 is provided in the lower surface of the air spring upper cover plate 100 for communicating with the air spring cavity.
The second differential pressure regulating gas port 162 is used to communicate with the differential pressure valve assembly 700.
The first differential pressure regulated air port 164 and the second differential pressure regulated air port 162 communicate through a differential pressure regulated air passage formed in the air spring upper cover plate 100.
It will be appreciated that the differential valve assembly 700 is used to communicate the air spring chambers of the plurality of air springs on the frame 300 through the first and second differential pressure regulating air ports 164 and 162.
Due to the arrangement, when the plurality of air springs are arranged on the framework 300, the pressure in each air spring is consistent, and the balance of the whole vehicle is kept.
In some examples, the second differential pressure regulating vent 162 is disposed on a side surface of the aero spring upper cover plate 100.
So set up, can make the connection of the upper surface of empty spring upper cover plate 100 and automobile body inseparabler, reduced the vertical installation space that secondary suspension system must, do benefit to the connection installation of empty spring upper cover plate 100 and automobile body.
In some examples, a second height adjustment vent 161 and a second differential pressure adjustment vent 162 are disposed on opposite sides of the air spring dome plate 100.
So set up, do benefit to outside tracheal arranging, avoid the trachea to entangle, also do benefit to the setting of altitude mixture control air flue and differential pressure regulation air flue in the empty spring upper cover plate 100.
In some possible embodiments, the airbag mounting structure includes a plurality of airbag mounting holes 110 equally spaced along the circumference, and the airbag mounting holes 110 are through holes.
With the arrangement, the airbag 200 can be mounted on the air spring upper cover plate 100 after the corresponding bolt penetrates through the airbag mounting hole 110 from top to bottom, and the mounting is convenient.
In embodiments where the air spring upper cover plate 100 includes a first mounting portion 170 and a second mounting portion 180, the airbag mounting holes 110 are distributed along a circumference concentric with the first mounting portion 170.
For example, 16 airbag mounting holes 110 may be equally spaced circumferentially.
In some examples, the upper surface of the air spring upper cover plate 100 is provided with first counter bores 111 corresponding one-to-one to the airbag mounting holes 110.
With the arrangement, the screw head of the bolt for mounting the air bag 200 is embedded in the first countersunk hole 111, so that the connection between the air spring upper cover plate 100 and the vehicle body is more tight, the vertical mounting space of the secondary suspension system is reduced, and meanwhile, the problem that the bolt is easy to loosen and damage due to the fact that the screw head leaks outwards can be avoided.
In some possible embodiments, the altitude valve assembly mounting structure comprises a plurality of altitude valve assembly mounting holes 130 arranged at intervals on the lower surface of the air spring upper cover plate 100, and each altitude valve assembly mounting hole 130 is embedded with a first threaded sleeve.
It will be appreciated that the first threaded sleeve is adapted with bolts for mounting the height valve assembly 600.
So configured, the first threaded sleeve may be threadably engaged with the bolt used to mount the altitude valve assembly 600, facilitating mounting of the altitude valve assembly 600 on the altitude spring upper cover plate 100. The first threaded sleeve is embedded in the high-altitude valve assembly mounting hole 130, the first threaded sleeve and the hollow spring upper cover plate 100 can be made of different materials, the hollow spring upper cover plate 100 can be made of a light material, and the first threaded sleeve can be made of a high-strength material, so that the weight is reduced, and the connection strength is kept.
For example, there are 2 poppet assembly mounting holes 130, and 2 poppet assembly mounting holes 130 are distributed along the second side.
In some examples, the first threaded sleeve is a steel wire threaded sleeve. So, the intensity of first thread bush is high, and the screw thread is not fragile, and the reliability is high.
In some possible embodiments, the anti-serpentine damper assembly mounting structure includes a plurality of anti-serpentine damper assembly mounting holes 150 disposed on the air spring upper cover plate 100 in a matrix and spaced apart, and the anti-serpentine damper assembly mounting holes 150 are through holes.
So set up, the bolt that the accessible corresponds will be resisted snakelike shock absorber subassembly 500 and install on empty spring upper cover plate 100 after wearing anti snakelike shock absorber subassembly mounting hole 150 from the top down, simple to operate.
For example, the anti-snake assembly mounting holes 150 are provided in 4, 2 of which are spaced along the first side on a first side and the other 2 are spaced along the edge of the first side.
In some examples, the upper surface of the hollow spring upper cover plate 100 is provided with second counter-sunk holes 151 in one-to-one correspondence with the anti-serpentine damper assembly mounting holes 150.
So set up for the spiral shell head of the bolt of anti snakelike shock absorber subassembly 500 of installation inlays in second counter sink 151, can make the connection of empty spring upper cover plate 100 and automobile body inseparabler, has reduced the vertical installation space of secondary suspension system, simultaneously, also can avoid the spiral shell head to leak outward and cause the bolt easily to take place not hard up and the problem of damage.
In some possible embodiments, the anti-roll torsion bar mounting structure includes a plurality of spaced anti-roll torsion bar mounting holes 140 disposed on the lower surface of the air spring upper cover plate 100, and a second thread bushing is embedded in each anti-roll torsion bar mounting hole 140.
It will be appreciated that the second threaded bushing is adapted with a bolt for mounting the anti roll torsion bar 400.
So configured, the second thread bushing may be threadedly coupled to a bolt for mounting the anti-roll torsion bar 400, facilitating mounting the anti-roll torsion bar 400 on the air spring upper cover plate 100. The second thread bush is embedded in the anti-rolling torsion bar mounting hole 140, the second thread bush and the hollow spring upper cover plate 100 can be made of different materials, the hollow spring upper cover plate 100 can be made of a light material, and the second thread bush can be made of a high-strength material, so that the weight is reduced, and the connection strength is kept.
For example, the anti-roll bar mounting holes 140 are provided with 2, 2 anti-roll bar mounting holes 140 distributed along the second side edge.
In some examples, the second threaded sleeve is a steel wire threaded sleeve. So, the intensity of second thread bush is high, and the screw thread is not fragile, and the reliability is high.
In some possible embodiments, the vehicle body coupling structure includes a plurality of vehicle body coupling holes 120 spaced in a matrix on the upper surface of the hollow spring upper cover 100.
By the arrangement, the hollow spring upper cover plate 100 can be installed on the vehicle body by matching the fastener with the vehicle body connecting hole 120, and the installation is convenient.
In some examples, a third threaded bushing is embedded within each body attachment aperture 120.
It will be appreciated that the third threaded sleeve is adapted to a bolt for attachment to the vehicle body.
So set up, be convenient for install empty spring upper cover plate 100 on the automobile body through the bolt. The third thread bush is embedded in the vehicle body connecting hole 120, the third thread bush and the hollow spring upper cover plate 100 can be made of different materials, the hollow spring upper cover plate 100 can be made of a light material, and the third thread bush can be made of a high-strength material, so that the weight is reduced, and the connecting strength is kept.
For example, there are 4 car body connection holes 120, there are 2 car body connection holes on the first mounting portion 170 and the second mounting portion 180, and the connecting line of the 2 car body connection holes 120 on the first mounting portion 170 passes through the center of the first mounting portion 170.
In some examples, the third thread bush is a steel wire thread bush. So, the intensity of second thread bush is high, and the screw thread is not fragile, and the reliability is high.
In some examples, the hollow spring upper cover plate 100 is made of an aluminum alloy material.
So set up, when having guaranteed empty spring upper cover plate 100's intensity, can alleviate empty spring upper cover plate 100's weight, do benefit to the lightweight design.
For example, the blank sprung cover 100 may be made from 6082-T6 aluminum alloy material.
In other examples, the hollow spring upper cover plate 100 may be made of a cast aluminum material.
In some examples, the upper surface of the hollow spring upper cover plate 100 is provided with a weight-reducing groove 190.
So set up, can alleviate empty spring upper cover plate 100's weight, do benefit to the lightweight design of train.
As shown in fig. 1 to 5, the present embodiment provides an air spring, including: air bag 200, unsprung mass 800, and unsprung mass 100 as described above.
The lower end of the air bag 200 is fastened and connected with the air spring lower cover plate 800, the upper end of the air bag 200 is fastened and connected with the air spring upper cover plate 100 through the air bag mounting structure of the air spring upper cover plate 100, and the air spring upper cover plate 100, the air spring lower cover plate 800 and the air bag 200 define an air spring inner cavity.
In the above embodiment, the attaching and detaching efficiency of the secondary suspension system is high. In addition, the manufacturing of the whole train is simpler, the manufacturing cost is lower, the maintenance efficiency is higher after the height valve assembly mounting structure, the snake-shaped resistance shock absorber assembly mounting structure and the side rolling resistance torsion bar mounting structure are damaged, and the maintenance cost is lower.
It will be appreciated that the air bag 200 is open at both its upper and lower ends, the hollow sprung cover 100 sealing the opening at the upper end of the air bag 200 and the hollow unsprung cover 800 sealing the opening at the lower end of the air bag 200.
In some examples, the balloon 200 is a large curved balloon.
Therefore, the air spring has good effect of absorbing high-frequency vibration.
As shown in fig. 1 to 5, the present embodiment provides a train, which includes: a vehicle body, a frame 300, an altimeter valve assembly 600, an anti-snake shock absorber assembly 500, an anti-roll torsion bar 400, and the air springs described above.
Wheels are installed on the framework 300, the air spring lower cover plate 800 of the air spring is fixedly connected with the framework 300, and the air spring upper cover plate 100 of the air spring is fixedly connected with the vehicle body.
One ends of the altitude valve assembly 600, the anti-snake shock absorber assembly 500 and the anti-roll torsion bar 400 are all mounted on the frame 300, and the other ends of the altitude valve assembly 600, the anti-snake shock absorber assembly 500 and the anti-roll torsion bar 400 are mounted on the air spring upper cover plate 100 through the altitude valve assembly mounting structure, the anti-snake shock absorber assembly mounting structure and the anti-roll torsion bar mounting structure of the air spring upper cover plate 100 respectively.
The vehicle body is provided with an air supply device which communicates with the second height adjusting air port 161 of the air spring upper cover plate 100 through the height valve assembly 600.
In the above embodiment, the secondary suspension system is efficiently attached and detached. In addition, the manufacturing of the whole train is simpler, the manufacturing cost is lower, the maintenance efficiency is higher after the height valve assembly mounting structure, the snake-shaped resistance shock absorber assembly mounting structure and the side rolling resistance torsion bar mounting structure are damaged, and the maintenance cost is lower.
In some possible embodiments, the altitude valve assembly 600 includes an altitude adjusting rod 610, an altitude valve 620 and a bracket 630, the bracket 630 is fixedly connected with the air spring upper cover plate 100 through the altitude valve assembly mounting structure, the altitude valve 620 is fixedly connected with the bracket 630, one end of the altitude adjusting rod 610 is fixedly connected with the frame 300, the other end is hinged with the altitude valve 620, the altitude adjusting rod 610 is used for controlling the altitude valve 620, and the first air port and the second air port of the altitude valve 620 are respectively communicated with the air supply device and the second altitude adjusting air port 161 through air pipes.
With the arrangement, the altitude valve 620 can be conveniently installed on the air spring upper cover plate 100, and the on-off and flow direction of the altitude valve 620 can be controlled through the altitude adjusting rod 610.
It is understood that the height adjusting lever 610 may adopt a conventional height adjusting lever 610, which includes a fixing lever 611 and a connecting rod 612, a lower end of the fixing lever 611 is fixedly connected with the frame 300, an upper end of the fixing lever 611 is hinged with one end of the connecting rod 612, and the other end of the connecting rod 612 is hinged with the height valve 620.
The air pipe connecting the height valve 620 with the air supply device is a hose, and the air pipe connecting the height valve 620 with the second height adjusting air port 161 may be a hose or a hard pipe.
For example, the upper end of bracket 630 is securely attached to lost motion cover 100 by a bolt that threadably engages a first threaded bushing within altitude valve assembly mounting hole 130.
In some possible embodiments, anti-snake damper assembly 500 comprises an anti-snake damper 520 and a mounting base 510, wherein the mounting base 510 is fixedly connected to the air spring upper cover plate 100 through an anti-snake damper assembly mounting structure, and one end of the anti-snake damper 520 is hinged to the mounting base 510, and the other end is hinged to the frame 300.
So configured, anti-snake shock 520 is easily installed.
For example, the upper end of the mounting seat 510 is fastened to the air spring upper cover plate 100 by bolts passing through the anti-snake shaped damper assembly mounting holes 150.
In some examples, the upper end of the anti-roll torsion bar 400 may be fastened to the blank spring upper cover plate 100 by a bolt threadedly coupled to the second thread bushing in the anti-roll torsion bar mounting hole 140.
In some examples, the upper end of the airbag 200 is securely coupled to the air spring upper cover plate 100 by a bolt passing through the airbag mounting hole 110.
In some examples, the air spring upper deck 100 is mounted to the vehicle body by a stud bolt having one end threadedly coupled to the vehicle body coupling hole 120 and the other end threadedly coupled to the vehicle body.
In some examples, there are 2 air springs, 2 anti-roll torsion bars 400, 2 altitude valve assemblies 600, and 2 anti-snake shock absorber assemblies 500 on the frame 300 side-to-side symmetrically. The left anti-roll torsion bar 400, the altitude valve assembly 600 and the anti-snake shock absorber assembly 500 are mounted on the air spring top cover 100 of the left air spring and the right anti-roll torsion bar 400, the altitude valve assembly 600 and the anti-snake shock absorber assembly 500 are mounted on the air spring top cover 100 of the right air spring.
So set up, the left and right sides support of automobile body is more balanced.
In some examples, a differential pressure valve assembly 700 is further included, and both ends of the differential pressure valve assembly 700 communicate with the second differential pressure adjusting air ports 162 of the air spring upper cover plates 100 of the air springs provided on the left and right sides, respectively. The differential pressure valve assembly 700 is used to adjust the pressure difference between the air springs on the left and right sides.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An air spring upper cover plate is characterized in that a height valve component mounting structure, an anti-snake-shaped shock absorber component mounting structure, an anti-rolling torsion bar mounting structure, an air bag mounting structure, a vehicle body connecting structure, a first height adjusting air port and a second height adjusting air port are arranged on the air spring upper cover plate;
the first height adjusting air port is arranged on the lower surface of the air spring upper cover plate and is used for communicating an air spring inner cavity defined by the air spring upper cover plate and an air bag arranged on the air spring upper cover plate;
the second height adjusting air port is used for communicating with the height valve assembly;
the first height adjusting air port and the second height adjusting air port are communicated through a height adjusting air passage formed in the air spring upper cover plate.
2. The air spring upper cover plate according to claim 1, wherein the air spring upper cover plate includes a first mounting portion and a second mounting portion that are integrally formed, the first mounting portion being a circular plate, the air bag mounting structure being provided to the first mounting portion;
one side of the first installation part protrudes outwards to form the second installation part, and the anti-snake-shaped shock absorber component installation structure is arranged on the second installation part and is located on the second installation part, away from the edge of the first installation part.
3. The air spring upper cover plate of claim 2, wherein the altitude valve assembly mounting structure and the anti-roll torsion bar mounting structure are provided at an edge of the second mounting portion.
4. The air spring upper cover plate according to claim 2, wherein the upper surface of the first mounting portion is provided with a positioning hole matched with the positioning column on the vehicle body, the positioning hole is a blind hole, and the positioning hole is arranged between the center of the circle of the first mounting portion and the second mounting portion.
5. The air spring upper cover plate of claim 1, wherein the second height adjustment air port is provided in a side surface of the air spring upper cover plate.
6. The air spring upper cover plate according to claim 1, wherein a first differential pressure regulating air port and a second differential pressure regulating air port are further provided on the air spring upper cover plate;
the first differential pressure adjusting air port is arranged on the lower surface of the air spring upper cover plate and is used for communicating the air spring cavity;
the second differential pressure adjusting air port is arranged on the side surface of the air spring upper cover plate and is used for communicating with a differential pressure valve assembly;
the first differential pressure regulating air port and the second differential pressure regulating air port are communicated through a differential pressure regulating air passage formed in the air spring upper cover plate.
7. The air spring upper cover plate according to claim 1, wherein the air bag mounting structure comprises a plurality of air bag mounting holes distributed at equal intervals along the circumference, the air bag mounting holes are through holes, and the upper surface of the air spring upper cover plate is provided with first counter bores corresponding to the air bag mounting holes one by one;
and/or the altitude valve component mounting structure comprises a plurality of altitude valve component mounting holes which are arranged at intervals on the lower surface of the air spring upper cover plate, and a first thread bush is embedded in each altitude valve component mounting hole;
and/or the anti-snake-shaped shock absorber component mounting structure comprises a plurality of anti-snake-shaped shock absorber component mounting holes which are arranged on the air spring upper cover plate and distributed at intervals in a matrix manner, the anti-snake-shaped shock absorber component mounting holes are through holes, and second counter sink holes which are in one-to-one correspondence with the anti-snake-shaped shock absorber component mounting holes are formed in the upper surface of the air spring upper cover plate;
and/or the anti-rolling torsion bar mounting structure comprises a plurality of anti-rolling torsion bar mounting holes which are arranged at intervals and are arranged on the lower surface of the air spring upper cover plate, and a second thread sleeve is embedded in each anti-rolling torsion bar mounting hole;
and/or the vehicle body connecting structure comprises a plurality of vehicle body connecting holes which are arranged on the upper surface of the air spring upper cover plate and distributed at intervals in a matrix, and a third thread sleeve is embedded in each vehicle body connecting hole.
8. An air spring comprising an air bag, an unsprung cover, and an unsprung cover as recited in any one of claims 1-7;
the lower end of the air bag is fixedly connected with the air spring lower cover plate, the upper end of the air bag is fixedly connected with the air spring upper cover plate through an air bag mounting structure of the air spring upper cover plate, and an air spring inner cavity is defined by the air spring upper cover plate, the air spring lower cover plate and the air bag.
9. A train comprising a body, a frame, a height valve assembly, an anti-snake damper assembly, an anti-roll torsion bar, and the air spring of claim 8;
wheels are mounted on the framework, an air spring lower cover plate of the air spring is fixedly connected with the framework, and an air spring upper cover plate of the air spring is fixedly connected with the vehicle body;
one ends of the altitude valve assembly, the anti-snake-shaped shock absorber assembly and the anti-rolling torsion bar are all arranged on the framework, and the other ends of the altitude valve assembly, the anti-snake-shaped shock absorber assembly and the anti-rolling torsion bar are respectively arranged on the hollow spring upper cover plate through an altitude valve assembly mounting structure, an anti-snake-shaped shock absorber assembly mounting structure and an anti-rolling torsion bar mounting structure of the hollow spring upper cover plate;
and the vehicle body is provided with a gas supply device which is communicated with the second height adjusting air port of the air spring upper cover plate through the height valve assembly.
10. The train of claim 9, wherein the altitude valve assembly comprises an altitude adjusting rod, an altitude valve and a bracket, the bracket is fixedly connected with the air spring upper cover plate through the altitude valve assembly mounting structure, the altitude valve is fixedly connected with the bracket, one end of the altitude adjusting rod is fixedly connected with the framework, the other end of the altitude adjusting rod is hinged with the altitude valve, the altitude adjusting rod is used for controlling the altitude valve, and a first air port and a second air port of the altitude valve are respectively communicated with a gas supply device and a second altitude adjusting air port through gas pipes;
and/or the anti-snake-shaped vibration damper assembly comprises an anti-snake-shaped vibration damper and a mounting seat, the mounting seat is fixedly connected with the air spring upper cover plate through the anti-snake-shaped vibration damper assembly mounting structure, one end of the anti-snake-shaped vibration damper is hinged to the mounting seat, and the other end of the anti-snake-shaped vibration damper is hinged to the framework.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111197080.0A CN113830119B (en) | 2021-10-14 | 2021-10-14 | Air spring upper cover plate, air spring and train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111197080.0A CN113830119B (en) | 2021-10-14 | 2021-10-14 | Air spring upper cover plate, air spring and train |
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| CN113830119A true CN113830119A (en) | 2021-12-24 |
| CN113830119B CN113830119B (en) | 2023-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158384A (en) * | 2022-08-23 | 2022-10-11 | 中车大连机车车辆有限公司 | Secondary suspension device for articulated bogie and articulated bogie |
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| CN113830119B (en) | 2023-06-23 |
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