CN112145609A - Axle box spring with strong damping characteristic - Google Patents
Axle box spring with strong damping characteristic Download PDFInfo
- Publication number
- CN112145609A CN112145609A CN202011056496.6A CN202011056496A CN112145609A CN 112145609 A CN112145609 A CN 112145609A CN 202011056496 A CN202011056496 A CN 202011056496A CN 112145609 A CN112145609 A CN 112145609A
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- spring
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- rubber
- base
- shock absorber
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- 238000013016 damping Methods 0.000 title claims abstract description 46
- 239000006096 absorbing agent Substances 0.000 claims abstract description 23
- 230000035939 shock Effects 0.000 claims abstract description 19
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 239000004636 vulcanized rubber Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 16
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses an axle box spring with strong damping characteristic, which comprises: the hydraulic damper comprises a pressing plate, an oil pressure damper, a conical rubber spring and a base, wherein the oil pressure damper and the conical rubber spring are arranged between the pressing plate and the base; the conical rubber spring comprises a mandrel, the mandrel is hollow, the oil pressure shock absorber is embedded in the mandrel, and the oil pressure shock absorber and the conical rubber spring form a clearance fit structure. The axle box spring provided by the invention can provide vibration damping rigidity and large damping through the matching of the conical rubber spring and the oil pressure vibration absorber, so that the vibration damping and vibration absorption of the axle box spring are well realized, and the risk of vehicle unbalance loading can be effectively reduced. In addition, the mode of clearance fit of the oil pressure shock absorber and the conical rubber spring is adopted, the installation space of the bogie can be saved, the weight of the bogie is reduced, and the running stability of the vehicle and the comfort under heavy load are improved.
Description
Technical Field
The invention mainly relates to the technical field of vibration reduction of rail vehicles, in particular to an axle box spring with strong damping characteristic.
Background
The main purpose of arranging the axle box spring on the bogie is to ensure the smooth and safe running of the vehicle, and the axle box spring is mainly arranged between the axle box and the framework to play a role in damping. Normally, the pedestal springs are constructed of steel or rubber springs to provide the required vertical stiffness, and the absorption of vibration on the wheel rail and vehicle is achieved by damping the vibration provided by externally coupled sets of oleo-dynamic dampers. The axle box spring structure occupies a large installation space, and is easy to generate unbalanced load due to the difference of installation positions of components for realizing vibration reduction and providing damping.
In order to solve the above problems, the prior art adopts a mode of designing a built-in rubber bag in a conical spring, and mainly utilizes damping force generated by air through a throttling hole to consume vibration energy so as to realize a vibration damping effect. The method has the following disadvantages: in practice, a separate source of pressurized air is required, thereby increasing the structural burden on the frame. And because the inner space of the conical spring is limited, the inner volume of the built-in air bag is limited, and great damping is difficult to realize through the throttling hole. In addition, the built-in air bag has higher sealing requirement, and the difficulty in sealing and mounting is higher.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the journal box spring with strong damping characteristic, which has simple and compact structure and convenient installation, can provide vibration damping rigidity and large damping, realizes vibration damping and absorption and reduces unbalance loading risk.
In order to solve the technical problems, the invention adopts the following technical scheme:
an axlebox spring with strong damping characteristics comprising: the hydraulic damper comprises a pressing plate, an oil pressure damper, a conical rubber spring and a base, wherein the oil pressure damper and the conical rubber spring are arranged between the pressing plate and the base; the conical rubber spring comprises a mandrel, the mandrel is hollow, the oil pressure shock absorber is nested in the mandrel, and the oil pressure shock absorber and the conical rubber spring form a clearance fit structure.
As a further improvement of the invention, one end of the oil pressure damper is detachably connected with the pressing plate, and the other end of the oil pressure damper passes through the mandrel and is detachably connected with the base.
As a further improvement of the invention, the oil pressure damper comprises a first rubber ball hinge, an oil pressure cylinder and a second rubber ball hinge which are connected in sequence; the first rubber ball hinge is detachably connected with the pressing plate through a bolt; the second rubber ball hinge is detachably connected with the base through a bolt.
As a further improvement of the invention, a gap I exists between the first rubber ball hinge and the pressure plate, and the size of the gap I is larger than the longitudinal deformation amount of the first rubber ball hinge under the limit load of the journal box spring.
As a further improvement of the invention, a gap H exists between the second rubber ball hinge and the base, and the size of the gap H is larger than the longitudinal deformation amount of the second rubber ball hinge under the limit load of the axle box spring.
In a further improvement of the present invention, a minimum clearance between the hydraulic cylinder and the spindle is L, and the clearance L is such that the hydraulic cylinder and the spindle do not interfere with each other when the journal box spring is in a limit load state.
As a further improvement of the invention, the conical rubber spring further comprises an outer sleeve, a vulcanized rubber layer, a first spacer and a second spacer; the outer sleeve is detachably connected with the pressing plate through screws, and the core shaft is detachably connected with the base through screws.
As a further improvement of the invention, the pressure plate is provided with at least two exhaust holes.
As a further improvement of the invention, the pressing plate is provided with a boss in the circumferential direction.
As a further improvement of the invention, a boss is arranged in the circumferential direction of the base.
Compared with the prior art, the invention has the advantages that:
1. according to the axle box spring with the strong damping characteristic, the mandrel of the conical rubber spring is arranged to be hollow, the oil pressure shock absorber is nested in the mandrel, and the oil pressure shock absorber and the conical rubber spring form a clearance fit structure, so that the axle box spring has the advantages of being simple and compact in structure and convenient to install. When the axle box spring bears a large load, the conical rubber spring can obtain smaller vertical stiffness, and the transverse displacement is reduced; the oil pressure vibration absorber provides damping force to absorb vibration energy transmitted by the wheel rail and the vehicle body structure, so that the axle box spring has the characteristics of low vertical stiffness and large damping vibration absorption, the vibration and noise reduction capability of the vehicle is improved, and the running stability and the comfort of the vehicle under heavy load are also improved. The journal box spring of the invention is mainly applied to rubber elastic elements for various rail transit vehicle bogies, and can be also applied to damping elastic connection parts of other mechanical structures.
2. According to the axle box spring with the strong damping characteristic, the oil pressure shock absorber and the conical rubber spring are connected in parallel between the pressing plate and the bottom plate to form a clearance fit structure, so that the overall installation height of the axle box spring is reduced, the installation space of a bogie is saved, the weight of the bogie is reduced, and the running stability and smoothness of a vehicle are improved. Furthermore, rubber ball hinges are arranged at two ends of an oil pressure cylinder of the oil pressure damper and are respectively connected with the pressing plate and the base through the rubber ball hinges at the two ends, and the rubber ball hinges have the functions of flexible connection and buffering vibration reduction, so that the vibration reduction and noise reduction effects of the axle box spring are obviously improved.
3. According to the axle box spring with the strong damping characteristic, the oil pressure shock absorber is nested and installed in the center of the mandrel of the conical rubber spring, so that the oil pressure shock absorber and the conical rubber spring have the same installation axis, the risk of vehicle unbalance loading is effectively reduced, and the safety of vehicle operation is improved. Furthermore, a certain gap exists between an oil pressure cylinder of the oil pressure damper and a mandrel of the conical rubber spring, and the oil pressure cylinder and the mandrel do not interfere with each other when the axle box spring is subjected to the maximum transverse force, so that the oil pressure damper and the conical rubber spring are ensured to form a matching structure, and meanwhile, the mutual interference is avoided to influence the function exertion of each other, and the durability of the axle box spring is improved.
Drawings
Fig. 1 is a schematic view of the structural principle of the pedestal spring with strong damping characteristic according to the present invention.
Illustration of the drawings:
1. a screw; 2. pressing a plate; 2a, an exhaust hole; 2b, a boss; 3. a bolt; 4. an oil pressure damper; 4a, rubber ball hinge; 4b, a hydraulic cylinder; 4c, rubber ball hinging; 5. a tapered rubber spring; 5a, a jacket; 5b, a vulcanized rubber layer; 5c a first spacer sleeve; 5d, a second spacer bush; 5e, a mandrel; 6. a screw; 7. a bolt; 8. a base; 8a boss.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the invention.
Examples
As shown in fig. 1, an axlebox spring with strong damping characteristics according to the present invention comprises: the hydraulic damper comprises a pressing plate 2, an oil pressure damper 4, a conical rubber spring 5 and a base 8, wherein the oil pressure damper 4 and the conical rubber spring 5 are arranged between the pressing plate 2 and the base 8; conical rubber spring 5 includes dabber 5e, and dabber 5e sets up to hollow form, and oil damper 4 nests in dabber 5e, and oil damper 4 forms clearance fit structure with conical rubber spring 5.
In this embodiment, the mandrel 5e of the conical rubber spring 5 is hollow, and the oil damper 4 is nested in the mandrel 5e, so that the oil damper 4 and the conical rubber spring 5 form a clearance fit structure, and the conical rubber spring mounting structure has the advantages of simple and compact structure and convenience in installation. When the axle box spring bears a large load, the conical rubber spring 5 can obtain smaller vertical rigidity; damping force is provided through the oil pressure shock absorber 4, and the vibration energy transmitted by the wheel rail and the vehicle body structure is absorbed, so that the axle box spring of the embodiment has the characteristics of low vertical stiffness and large damping vibration absorption, the vibration and noise reduction capability of the vehicle is improved, and the running stability of the vehicle and the comfort under heavy load are also improved. The journal spring of the present embodiment is mainly applied to rubber elastic elements for various railway vehicle bogies, and of course, can be widely applied to vibration damping elastic connection portions of other mechanical structures.
In this embodiment, one end of the oil pressure damper 4 is detachably connected to the pressing plate 2, and the other end of the oil pressure damper 4 passes through the core shaft 5e to be detachably connected to the base 8. By adopting a detachable installation mode, the installation and maintenance flexibility and convenience of the oil pressure damper 4 are improved. Further, the oil pressure damper 4 comprises a first rubber ball joint 4a, an oil pressure cylinder 4b and a second rubber ball joint 4c which are connected in sequence; the first rubber ball hinge 4a is detachably connected with the pressing plate 2 through a bolt 3; the second rubber ball hinge 4c is detachably connected with the base 8 through a bolt 7. The first rubber ball hinge 4a and the second rubber ball hinge 4c are both made of vulcanized metal rubber, and mainly play a role in vibration reduction. In the specific application process, performance parameters of the rubber ball hinge, such as longitudinal rigidity, axial rigidity, longitudinal maximum displacement, transverse maximum displacement and the like of the rubber ball hinge, can be designed and adjusted according to the load condition of the vehicle.
In the embodiment, the oil pressure damper 4 and the conical rubber spring 5 are connected in parallel between the pressing plate 2 and the bottom plate 8 to form a clearance fit structure, so that the overall installation height of the axle box spring is reduced, the installation space of the bogie is saved, the weight of the bogie is reduced, and the running stability and smoothness of the vehicle are improved. Furthermore, rubber ball hinges are arranged at two ends of an oil pressure cylinder 4b of the oil pressure damper 4 and are respectively connected with the pressing plate 2 and the base 8 through the rubber ball hinges at the two ends, and the rubber ball hinges have the functions of flexible connection and buffering vibration reduction, so that the heavy load impact force on the oil pressure cylinder 4b is relieved to a certain extent. The matching structure of the rubber ball hinge and the oil pressure cylinder 4b obviously improves the vibration and noise reduction effect of the axle box spring.
In this embodiment, a gap I exists between the first rubber ball hinge 4a and the pressure plate 2, and the size of the gap I is larger than the longitudinal deformation amount of the first rubber ball hinge 4a under the limit load of the axle box spring. A gap H exists between the second rubber ball hinge 4c and the base 8, and the size of the gap H is larger than the longitudinal deformation amount of the second rubber ball hinge 4c under the limit load of the axle box spring. When the axle box spring bears load, the rubber ball hinges at the two ends of the oil pressure shock absorber 4 generate corresponding longitudinal deformation to provide corresponding elastic damping force, so that the shock absorption effect of the axle box spring is realized. Along with the continuous change of the load on the axle box spring, the longitudinal deformation of the rubber ball hinge is also continuously changed; when the axle box spring reaches the maximum limit load, the longitudinal deformation amount of the rubber ball hinge also reaches the maximum; the sizes of the gap I and the gap H are designed to be larger than the longitudinal deformation of the rubber ball hinge under the limit load of the axle box spring, so that the rubber ball hinge can have enough elastic deformation space, the effects of flexible connection and buffering vibration reduction of the rubber ball hinge are exerted to the maximum extent, and the vibration reduction performance of the oil pressure vibration absorber 4 is fully exerted.
In this embodiment, a minimum clearance L is provided between the hydraulic cylinder 4b and the spindle 5e, and the clearance L prevents interference between the hydraulic cylinder 4b and the spindle 5e when the journal spring is in a limit load state. The minimum clearance L is provided between the hydraulic cylinder 4b and the spindle 5e, and is mainly to avoid interference between the hydraulic cylinder 4b and the spindle 5e when the journal spring is in a limit load state, thereby affecting the performance of each function. Further, knowing the displacement of the axlebox spring under extreme load, the maximum lateral displacement, and the structural dimensions of the oil cylinder 4b and the mandrel 5e, the value of the minimum clearance L can be calculated by a similar triangular formula.
In the embodiment, the oil pressure damper 4 is embedded and installed in the center of the mandrel 5e of the conical rubber spring 5, so that the oil pressure damper 4 and the conical rubber spring 5 have the same installation axis, the risk of vehicle unbalance loading is effectively reduced, and the safety of vehicle operation is improved. Furthermore, a minimum clearance L exists between an oil pressure cylinder 4b of the oil pressure damper 4 and a mandrel 5e of the conical rubber spring 5, and the arrangement of the minimum clearance L enables the oil pressure cylinder 4b and the mandrel 5e not to interfere with each other when the axle box spring is subjected to the maximum transverse force, so that the oil pressure damper 4 and the conical rubber spring 5 are ensured to form a matching structure, the mutual interference is avoided, the mutual function exertion is not influenced, and the durability of the axle box spring is improved. It can be understood that, in a specific application process, the damping performance of the oil pressure shock absorber 4 can be adjusted and determined according to the load of the vehicle and the condition of the route, so as to improve the damping performance of the axle box spring to the maximum extent and widen the application range of the axle box spring. For example, the damping performance of the hydraulic damper 4 can be adjusted and changed by adjusting the size and the composition of the rubber ball joint, or by adjusting the size of the hydraulic cylinder.
In this embodiment, the conical rubber spring 5 further includes an outer sleeve 5a, a vulcanized rubber layer 5b, a first spacer 5c, and a second spacer 5 d; the outer sleeve 5a is detachably connected with the pressure plate 2 through a screw 1, and the mandrel 5e is detachably connected with the base 8 through a screw 6. By adopting a detachable installation mode, the flexibility and convenience of installation and maintenance of the conical rubber spring 5 are improved. The outer sleeve 5a, the rubber layer and the spacer bush of the conical rubber spring 5 are vulcanized and connected with the core shaft 5e to form an integrated structure. When a product is installed, firstly, an outer sleeve 5a of a conical rubber spring 5 is fixedly connected with a pressure plate 2 through a screw 1; then, the oil pressure damper 4 passes through the conical rubber spring 5 along the mandrel 5, and the first rubber ball hinge 4a is fixedly connected with the pressing plate 2 through the bolt 3; the second rubber spherical hinge 4c is connected with the base 8 through the bolt 7, and finally the mandrel 5e of the conical rubber spring 5 is connected with the base 8 through the screw 6, so that the installation is completed.
In this embodiment, the pressure plate 2 is provided with at least two air vent holes 2 a. In the running process of a vehicle, a primary suspension system of the vehicle can be subjected to dynamic displacement under the action of dynamic load, so that the conical rubber spring 5 can be stretched and compressed, and the volume of the cavity in the conical rubber spring 5 is changed. The change in the volume of the cavity of the conical rubber spring 5 causes a pressure difference between the interior of the axlebox spring and the exterior of the axlebox spring, so that the air tends to flow in a low pressure direction, forcing the air to pass through the air outlet hole 2 a. Because the aperture of the exhaust hole 2a is small, the air transfer cannot be completed instantly, and therefore, the air can generate damping force in the process of passing through the exhaust hole 2a, vibration energy is consumed, and a certain vibration reduction effect is achieved. In addition, the oil stain impurity that the oil pressure cylinder 4b produced in the operation process has certain viscidity, can be wrapped up by the air and carry and discharge through exhaust hole 2a under the effect of pressure differential, improves the inside cleanliness of axle box spring, avoids the oil stain impurity to cause the corruption infringement to conical rubber spring 5, improves axle box spring's life.
In this embodiment, the pressing plate 2 is provided with a boss 2b in the circumferential direction, which is mainly used to prevent the transverse force of the pressing plate 2 from applying a large shearing force to the screw 1, thereby improving the reliability of the product.
In this embodiment, the circumferential direction of the base 8 is provided with the boss 8a, which is mainly used for preventing the transverse force of the base 8 from applying a large shearing force to the screw 6, and improving the reliability of the product.
According to the working principle, in the running process of a vehicle, due to the action of dynamic load, a primary suspension system of the vehicle can generate dynamic displacement, so that the pressing plate 2 is pressed down to cause the compression of the conical rubber spring 5, and the required vertical rigidity is provided for the axle box spring; meanwhile, the oil pressure absorber 4 provides damping force, so that the vehicle has good vibration and noise reduction effects and runs smoothly. In the running process of the vehicle, as long as a load is loaded, the axle box spring in the embodiment starts to work, namely vibration reduction is realized through small vertical stiffness, and vibration and noise are absorbed through the damping force provided by the oil pressure vibration absorber, so that vibration reduction and noise reduction of the vehicle are realized.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.
Claims (10)
1. An axlebox spring with strong damping characteristics, comprising: the hydraulic shock absorber comprises a pressing plate (2), an oil pressure shock absorber (4), a conical rubber spring (5) and a base (8), wherein the oil pressure shock absorber (4) and the conical rubber spring (5) are arranged between the pressing plate (2) and the base (8); toper rubber spring (5) are including dabber (5e), dabber (5e) set up to hollow form, oil damper (4) nestification is in dabber (5e), oil damper (4) and toper rubber spring (5) form clearance fit structure.
2. The axlebox spring with strong damping characteristics according to claim 1, characterized in that one end of the oil hydraulic shock absorber (4) is detachably connected with the pressure plate (2), and the other end of the oil hydraulic shock absorber (4) is detachably connected with the base (8) through the mandrel (5 e).
3. The journal box spring with strong damping characteristic according to claim 2, wherein the oil hydraulic damper (4) includes a first rubber ball joint (4a), an oil hydraulic cylinder (4b) and a second rubber ball joint (4c) connected in sequence; the first rubber spherical hinge (4a) is detachably connected with the pressing plate (2) through a bolt (3); the second rubber ball hinge (4c) is detachably connected with the base (8) through a bolt (7).
4. Journal spring with strong damping characteristics according to claim 3, characterized in that there is a gap I between the first rubber ball joint (4a) and the pressure plate (2), the size of the gap I being larger than the longitudinal deformation of the first rubber ball joint (4a) of the journal spring under extreme load.
5. Journal spring with strong damping characteristics according to claim 3, characterized in that there is a gap H between the second rubber ball joint (4c) and the base (8), the size of the gap H being larger than the longitudinal deformation of the second rubber ball joint (4c) under extreme load of the journal spring.
6. The axlebox spring with strong damping characteristics according to claim 3, wherein the minimum clearance between the oil pressure cylinder (4b) and the arbor (5e) is L, and the clearance L is such that the oil pressure cylinder (4b) and the arbor (5e) do not interfere with each other when the axlebox spring is in a limit load state.
7. An axlebox spring with strong damping properties according to any of the claims 2 to 6, characterized in that the conical rubber spring (5) further comprises an outer jacket (5a), a vulcanized rubber layer (5b), a first spacer (5c) and a second spacer (5 d); the outer sleeve (5a) is detachably connected with the pressing plate (2) through a screw (1), and the core shaft (5e) is detachably connected with the base (8) through a screw (6).
8. Journal spring with high damping characteristics according to any of claims 2 to 6, characterized in that the pressure plate (2) is provided with at least two exhaust holes (2 a).
9. The axlebox spring with high damping characteristics according to any of the claims 2 to 6, characterized in that the pressure plate (2) is provided with a boss (2b) in the circumferential direction.
10. The axlebox spring with high damping characteristics according to any of the claims 2 to 6, characterized in that the base (8) is provided with a boss (8a) in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056496.6A CN112145609A (en) | 2020-09-29 | 2020-09-29 | Axle box spring with strong damping characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056496.6A CN112145609A (en) | 2020-09-29 | 2020-09-29 | Axle box spring with strong damping characteristic |
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| CN112145609A true CN112145609A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011056496.6A Pending CN112145609A (en) | 2020-09-29 | 2020-09-29 | Axle box spring with strong damping characteristic |
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| Country | Link |
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| CN (1) | CN112145609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685480A (en) * | 2021-07-13 | 2021-11-23 | 株洲时代瑞唯减振装备有限公司 | Composite conical rubber spring and rigidity design method thereof |
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| CN1487219A (en) * | 2002-06-03 | 2004-04-07 | �����ؿ˿�������ϵͳ�������ι�˾ | Hydraulic spring as primary spring of rail vehicle |
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| CN110608254A (en) * | 2019-09-26 | 2019-12-24 | 湖南铁路科技职业技术学院 | Quasi-zero stiffness axle box spring vibration reduction method and spring |
| CN110617293A (en) * | 2019-09-26 | 2019-12-27 | 湖南铁路科技职业技术学院 | Variable-stiffness axle box spring vibration reduction method and spring |
| CN213776189U (en) * | 2020-09-29 | 2021-07-23 | 湖南铁路科技职业技术学院 | Axle box spring with strong damping characteristic |
-
2020
- 2020-09-29 CN CN202011056496.6A patent/CN112145609A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487219A (en) * | 2002-06-03 | 2004-04-07 | �����ؿ˿�������ϵͳ�������ι�˾ | Hydraulic spring as primary spring of rail vehicle |
| CN101068704A (en) * | 2004-10-25 | 2007-11-07 | 古米金属技术有限公司 | Primary spring arrangement, in particular for wagon bogies of rail vehicles |
| CN104819238A (en) * | 2015-04-29 | 2015-08-05 | 柳州东方工程橡胶制品有限公司 | Damping spring vibration isolator device with expansion sleeves and mounting and adjusting construction method thereof |
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| CN110617293A (en) * | 2019-09-26 | 2019-12-27 | 湖南铁路科技职业技术学院 | Variable-stiffness axle box spring vibration reduction method and spring |
| CN213776189U (en) * | 2020-09-29 | 2021-07-23 | 湖南铁路科技职业技术学院 | Axle box spring with strong damping characteristic |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113685480A (en) * | 2021-07-13 | 2021-11-23 | 株洲时代瑞唯减振装备有限公司 | Composite conical rubber spring and rigidity design method thereof |
| CN113685480B (en) * | 2021-07-13 | 2023-04-18 | 株洲时代瑞唯减振装备有限公司 | Composite conical rubber spring and rigidity design method thereof |
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