Railway vehicle vibration isolation supporting device

By using composite springs made of polymer polymer and nanoreinforced materials, combined with support mechanism and installation structure, the problem of poor vibration isolation effect of traditional rubber vibration isolation support devices at high frequency is solved, and stable vibration isolation performance is achieved and Long life, reducing maintenance costs and safety hazards.

CN222296865UActive Publication Date: 2025-01-03NANJING JINOU RAILWAY ASSEMBLY MFG CO LTD
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Patent Information

Application Number
CN202421241090.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-01
Publication Date
2025-01-03
Estimated Expiration
2034-06-01

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    Figure CN222296865U_ABST
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Abstract

The utility model discloses a rail vehicle vibration isolation supporting device and relates to the technical field of rail vibration isolation supporting, the rail vehicle vibration isolation supporting device comprises an upper supporting plate and a lower supporting plate, mounting plates are fixedly mounted on the outer walls of the sides, close to each other, of the upper supporting plate and the lower supporting plate correspondingly, and mounting grooves are formed in the two mounting plates correspondingly; supporting mechanisms used for installing the vehicle vibration isolation supporting device are arranged in the two installing grooves correspondingly, and each supporting mechanism comprises a bottom plate installed in the corresponding installing groove in a sliding mode. Under the matching action of the composite spring and the like, the composite spring has the characteristics of high damping, high strength and high fatigue resistance through a high-molecular polymer and a nano reinforcing material, so that the composite spring can still keep stable vibration isolation performance under high-frequency vibration, the vibration isolation effect of the vibration isolation device under the high-frequency vibration is improved, the service life of the vibration isolation device under the high-frequency vibration is prolonged, and meanwhile, the service life of the vibration isolation device is prolonged. The device is compact in structure, convenient to install and capable of being widely applied to various railway vehicles.
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Description

Technical Field

[0001] The present application relates to the technical field of rail vibration isolation support, and in particular to a rail vehicle vibration isolation support device. Background Art

[0002] With the rapid development of rail transit, the vibration and noise problems generated by rail vehicles during operation have become increasingly prominent. At present, rail vehicles usually use traditional rubber vibration isolation support devices to reduce vibration transmission, but such devices have limitations in high-frequency vibration isolation and durability, and cannot meet the increasingly stringent requirements for vibration and noise reduction.

[0003] In the prior art, rail vehicle vibration isolation support devices mainly use rubber materials as vibration isolation elements, and absorb and isolate vibration energy through elastic deformation of rubber. However, rubber materials are prone to fatigue and aging under high-frequency vibration, and the vibration isolation effect is limited.

[0004] Traditional rubber vibration isolation support devices are not effective in isolating high-frequency vibrations, and their performance deteriorates significantly after long-term use. They require frequent maintenance and replacement, increasing operating costs and safety hazards. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problems existing in the prior art that traditional rubber vibration isolation support devices are not effective in high-frequency vibration isolation, and their performance deteriorates significantly after long-term use, requiring frequent maintenance and replacement, which increases operating costs and safety hazards.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rail vehicle vibration isolation support device, comprising an upper support plate and a lower support plate, wherein the outer walls of the upper support plate and the lower support plate close to each other are both fixedly mounted with mounting plates, and mounting grooves are provided on both mounting plates, and support mechanisms for mounting the vehicle vibration isolation support device are provided in both mounting grooves;

[0007] The support mechanism includes one of the base plates slidably installed in the installation groove, four gaskets are symmetrically fixedly installed on the top outer wall of one of the base plates, composite springs are fixedly installed on the top outer walls of the four gaskets, a damper is fixedly installed on the top outer wall of one of the base plates, and the tops of the four composite springs and dampers are fixedly connected to the other base plate.

[0008] By adopting the above technical solution, the composite spring has high damping, high strength and high fatigue resistance through high molecular polymer and nano-reinforced materials, so that it can still maintain stable vibration isolation performance under high-frequency vibration, thereby improving the vibration isolation effect and service life of the vibration isolation device under high-frequency vibration. At the same time, the device has a compact structure and is easy to install, and can be widely used in various types of rail vehicles.

[0009] Optionally, the composite spring is a high-performance composite material.

[0010] By adopting the above technical solution, the composite spring is made of high-performance composite material, so that it has high damping, high strength and high fatigue resistance, so that it can still maintain stable vibration isolation performance under high-frequency vibration.

[0011] Optionally, a camera is provided on one side of the mounting plate at the bottom of the upper support plate, and the camera is connected to the remote monitoring device by signal.

[0012] By adopting the above technical solution, the condition of the composite spring can be monitored in real time by setting a camera.

[0013] Optionally, the inner walls on both sides of the mounting groove are rotatably mounted with the same screw, and the screw is a bidirectional screw, two positioning plates are symmetrically threaded on the screw, one end of the screw is fixedly connected to a rotating shaft, and one end of the rotating shaft is fixedly connected to a knob.

[0014] By adopting the above technical solution, by rotating the two knobs, the rotation of the knobs will drive the rotating shaft and the screw to rotate, and the rotation of the screw will drive the two positioning plates to approach each other. The two positioning plates approach each other to clamp and fix the bottom plate, which is convenient for the rapid installation of the vehicle vibration isolation support device.

[0015] Optionally, a rotation hole is opened on an outer wall of one side of the mounting plate, and the rotation shaft is rotatably mounted in the rotation hole.

[0016] By adopting the above technical solution, the rotating hole is provided so that the rotating shaft can be rotatably installed inside.

[0017] Optionally, one side outer wall of the two positioning plates is provided with a same limiting hole, and a same limiting column is slidably installed in the limiting hole, and both ends of the limiting column are respectively fixedly installed on the inner walls on both sides of the installation groove.

[0018] By adopting the above technical solution, the two positioning plates can be limitedly moved by setting the limit columns and the limit holes.

[0019] Optionally, both outer walls of the bottom plate are provided with card slots, card blocks are slidably installed in the two card slots, and the two card blocks are respectively fixedly connected to the corresponding positioning plates.

[0020] By adopting the above technical solution, the card slot and the card block are provided so as to assist the installation.

[0021] Optionally, the card slot and the card block are of the same size, and the two positioning plates are slidably mounted on the inner walls on both sides of the mounting slot.

[0022] By adopting the above technical solution, the size of the card slot and the card block is set to be the same, thereby enhancing the installation and fixation.

[0023] In summary, the beneficial effects of this application are as follows:

[0024] 1. The new type of the present application adopts the cooperation of composite springs, etc. The composite spring has high damping, high strength and high fatigue resistance through high molecular polymer and nano-reinforced materials, so that it can still maintain stable vibration isolation performance under high-frequency vibration, thereby improving the vibration isolation effect and service life of the vibration isolation device under high-frequency vibration. At the same time, the device has a compact structure and is easy to install, and can be widely used in various types of rail vehicles.

[0025] 2. The new type of the present application adopts the cooperation of positioning plates, etc., by placing the two base plates in the corresponding installation grooves respectively, and then by turning the two knobs, the rotation of the knobs will drive the rotating shaft and the screw to rotate, and the rotation of the screw will drive the two positioning plates to approach each other. The two positioning plates approach each other to clamp and fix the base plates, which is convenient for the rapid installation of the vehicle vibration isolation support device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the entire application;

[0027] Figure 2 is a schematic diagram of the damper of the present application;

[0028] Figure 3 It is a schematic diagram of the base plate of this application.

[0029] Explanation of the accompanying drawings: In the figure: 1, upper support plate; 2, lower support plate; 3, mounting plate; 4, mounting groove; 5, bottom plate; 6, gasket; 7, composite spring; 8, camera; 9, damper; 10, rotating shaft; 11, knob; 12, rotating hole; 13, positioning plate; 14, limiting hole; 15, limiting column; 16, screw; 17, slot; 18, block. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-3 This application is described in further detail.

[0031] See also Figure 1-3 A rail vehicle vibration isolation support device comprises an upper support plate 1 and a lower support plate 2. A mounting plate 3 is fixedly mounted on the outer wall of the upper support plate 1 and the lower support plate 2 on one side close to each other. A mounting groove 4 is provided on the two mounting plates 3. The mounting groove 4 can be used to assist installation. A supporting mechanism for installing the vehicle vibration isolation support device is provided in the two mounting grooves 4. The supporting mechanism can be used to assist installation support.

[0032] Among them, the supporting mechanism includes one of the base plates 5 slidably installed in the installation groove 4, four gaskets 6 are symmetrically fixedly installed on the top outer wall of one of the base plates 5, and composite springs 7 are fixedly installed on the top outer walls of the four gaskets 6. The composite spring 7 is composed of a high molecular polymer and a nano-reinforced material, and has high damping, high strength and high fatigue resistance. A damper 9 is fixedly installed on the top outer wall of one of the base plates 5, and the tops of the four composite springs 7 and the damper 9 are fixedly connected to another base plate 5.

[0033] When in use, the composite spring 7 has high damping, high strength and high fatigue resistance properties through high molecular polymer and nano-reinforced materials, so that it can still maintain stable vibration isolation performance under high-frequency vibration, thereby improving the vibration isolation effect and service life of the vibration isolation device under high-frequency vibration. At the same time, the device has a compact structure and is easy to install, and can be widely used in various types of rail vehicles.

[0034] Reference Figure 1 and Figure 2 The composite spring 7 is a high-performance composite material. The composite spring 7 is a high-performance composite material, which has high damping, high strength and high fatigue resistance, so that it can still maintain stable vibration isolation performance under high-frequency vibration.

[0035] Reference Figure 1 and Figure 2 A camera 8 is provided on one side of the mounting plate 3 at the bottom of the upper support plate 1, and the camera 8 is connected to the remote monitoring device by signal. By providing the camera 8, the situation of the composite spring 7 can be monitored in real time.

[0036] Reference Figure 3 The inner walls on both sides of the mounting groove 4 are rotatably mounted with the same screw rod 16, and the screw rod 16 is a bidirectional screw rod, and two positioning plates 13 are symmetrically screwed on the screw rod 16, and one end of the screw rod 16 is fixedly connected to the rotating shaft 10, and one end of the rotating shaft 10 is fixedly connected to the knob 11. By rotating the two knobs 11, the knobs 11 rotate, thereby driving the rotating shaft 10 and the screw rod 16 to rotate, and the rotation of the screw 16 drives the two positioning plates 13 to approach each other, and the two positioning plates 13 approach each other to clamp and fix the bottom plate 5, which is convenient for the rapid installation of the vehicle vibration isolation support device.

[0037] Reference Figure 3 A rotation hole 12 is provided on one side outer wall of the mounting plate 3, and the rotating shaft 10 is rotatably mounted in the rotating hole 12. By providing the rotating hole 12, the rotating shaft 10 can be rotatably mounted therein.

[0038] Reference Figure 3The outer wall of one side of the two positioning plates 13 is provided with a same limiting hole 14, and the same limiting column 15 is slidably installed in the limiting hole 14, and the two ends of the limiting column 15 are respectively fixedly installed on the inner walls of the two sides of the installation groove 4. By setting the limiting column 15 and the limiting hole 14, the two positioning plates 13 can be limited and moved.

[0039] Reference Figure 3 The outer walls on both sides of the bottom plate 5 are provided with card slots 17, and card blocks 18 are slidably installed in the two card slots 17, and the two card blocks 18 are respectively fixedly connected to the corresponding positioning plates 13. The card slots 17 and the card blocks 18 can play an auxiliary installation role.

[0040] Reference Figure 3 The slot 17 and the block 18 are of the same size, and the two positioning plates 13 are slidably mounted on the inner walls of both sides of the mounting slot 4. By setting the slot 17 and the block 18 to be of the same size, the effect of strengthening the installation and fixing can be achieved.

[0041] The implementation principle of the present application is: when in use, by placing the two base plates 5 in the corresponding installation grooves 4 respectively, and then by turning the two knobs 11, the rotation of the knobs 11 will drive the rotating shaft 10 and the screw 16 to rotate, and the rotation of the screw 16 will drive the two positioning plates 13 to approach each other, and the two positioning plates 13 approach each other to clamp and fix the base plates 5, which is convenient for the rapid installation of the vehicle vibration isolation support device, and the composite spring 7 has high damping, high strength and high fatigue resistance through high molecular polymer and nano-reinforced materials, so that it can still maintain stable vibration isolation performance under high-frequency vibration, thereby improving the vibration isolation effect and service life of the vibration isolation device under high-frequency vibration. At the same time, the device has a compact structure and is easy to install, and can be widely used in various types of rail vehicles.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A rail vehicle vibration isolation support device, comprising an upper support plate (1) and a lower support plate (2), characterized in that: The outer walls of the upper support plate (1) and the lower support plate (2) on one side close to each other are both fixedly mounted with mounting plates (3), mounting grooves (4) are both provided on the two mounting plates (3), and support mechanisms for mounting a vehicle vibration isolation support device are both provided in the two mounting grooves (4); The support mechanism comprises one of the base plates (5) slidably mounted in the mounting groove (4), four gaskets (6) being symmetrically fixedly mounted on the top outer wall of one of the base plates (5), composite springs (7) being fixedly mounted on the top outer walls of the four gaskets (6), a damper (9) being fixedly mounted on the top outer wall of one of the base plates (5), and the tops of the four composite springs (7) and the damper (9) being fixedly connected to the other base plate (5).

2. A rail vehicle vibration isolation support device according to claim 1, characterized in that: The composite spring (7) is a high-performance composite material.

3. A vibration isolation support device for a rail vehicle according to claim 1, characterized in that: A camera (8) is provided on one side of the mounting plate (3) at the bottom of the upper support plate (1), and the camera (8) is signal-connected to the remote monitoring device.

4. A rail vehicle vibration isolation support device according to claim 1, characterized in that: The inner walls on both sides of the installation groove (4) are rotatably mounted with a same screw rod (16), and the screw rod (16) is a bidirectional screw rod, two positioning plates (13) are symmetrically screwed on the screw rod (16), one end of the screw rod (16) is fixedly connected to a rotating shaft (10), and one end of the rotating shaft (10) is fixedly connected to a knob (11).

5. A rail vehicle vibration isolation support device according to claim 4, characterized in that: A rotation hole (12) is provided on an outer wall of one side of the mounting plate (3), and the rotation shaft (10) is rotatably mounted in the rotation hole (12).

6. A vibration isolation support device for a rail vehicle according to claim 4, characterized in that: The outer walls of one side of the two positioning plates (13) are both provided with a same limiting hole (14), and the same limiting column (15) is slidably installed in the limiting hole (14), and the two ends of the limiting column (15) are respectively fixedly installed on the inner walls of the two sides of the installation groove (4).

7. A rail vehicle vibration isolation support device according to claim 6, characterized in that: The outer walls on both sides of the bottom plate (5) are provided with a clamping groove (17), and a clamping block (18) is slidably installed in each of the two clamping grooves (17). The two clamping blocks (18) are respectively fixedly connected to the corresponding positioning plates (13).

8. A rail vehicle vibration isolation support device according to claim 7, characterized in that: The card slot (17) and the card block (18) are of the same size, and the two positioning plates (13) are slidably mounted on the inner walls on both sides of the mounting slot (4).