CN111021160A - Vibration absorption type damping spring in vibration isolator for floating slab track - Google Patents
Vibration absorption type damping spring in vibration isolator for floating slab track Download PDFInfo
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- CN111021160A CN111021160A CN201911395226.5A CN201911395226A CN111021160A CN 111021160 A CN111021160 A CN 111021160A CN 201911395226 A CN201911395226 A CN 201911395226A CN 111021160 A CN111021160 A CN 111021160A
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- spring
- floating plate
- vibration
- damping
- absorption type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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Abstract
The invention discloses an internal vibration absorption type damping spring of a vibration isolator for a floating plate track, which comprises a floating plate, a base seat and a spring, wherein the base seat is arranged below the floating plate, the bottom end of the floating plate and the upper end of the base seat are both connected with rubber sound insulation friction pads through bolts, one side of each rubber sound insulation friction pad is connected with a damping plate through a bolt, one side of each damping plate is connected with an internal rubber pad through a bolt, a raised ring is bonded and arranged on each internal rubber pad, the spring is nested between the internal rubber pads, and a damping sleeve is nested on the outer wall of the spring. Has the advantages that: according to the invention, the rubber sound insulation friction pad, the inner upper rubber pad and the damping sleeve are arranged, so that the collision of parts during the operation of the device can be reduced, the service life of the device is prolonged, the overall vibration reduction effect of the device is increased, the operation of the device is lower in noise, and the sound insulation effect is better.
Description
Technical Field
The invention relates to the technical field of springs, in particular to an absorption type damping spring in a vibration isolator for a floating slab track.
Background
The natural frequency of the steel spring floating plate track structure is lower than that of a common track structure, and the high-frequency external excitation vibration can be effectively filtered or attenuated, so that the steel spring floating plate track structure has good vibration and noise reduction performance.
Present damping spring is because spring and contact surface constantly extrude when using, causes the damage to the object surface easily, and gives sound insulation effect relatively poor, though present damping spring middle part bracing piece can slide from top to bottom in addition, nevertheless lacks elasticity, and the spring takes place to warp easily and shifts, reduces the practicality.
SUMMARY OF THE PATENT FOR INVENTION
Technical problem to be solved
In order to overcome the defects of the prior art, the vibration absorption type damping spring in the vibration isolator for the floating slab track is provided, and the problems that the surface of an object is easily damaged and the sound insulation effect is poor due to the fact that the spring and a contact surface are continuously extruded when the existing damping spring is used are solved.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides an internal vibration absorption type damping spring of a vibration isolator for a floating plate track, which comprises a floating plate, a base seat and a spring, wherein the base seat is arranged below the floating plate, the bottom end of the floating plate and the upper end of the base seat are both connected with rubber sound insulation friction pads through bolts, one side of each rubber sound insulation friction pad is connected with a damping plate through a bolt, one side of each damping plate is connected with an internal rubber pad through a bolt, a raised ring is bonded and arranged on each internal rubber pad, the spring is nested between the internal rubber pads, and a damping sleeve is nested on the outer wall of the spring.
Furthermore, the middle part of the bottom end of the floating plate is connected with a first supporting rod through a bolt, and the bottom end of the first supporting rod is connected with a second supporting rod in a sliding mode.
By adopting the technical scheme, the floating plate provides stable support for a track, the base seat provides stable support for the device, the rubber sound-insulation friction pad can effectively reduce friction sound generated by the floating plate and the spring during compression movement, so that the device can operate with lower noise, the damping plate can effectively reduce vibration generated during operation of the device, the inner rubber pad provides stable support for the spring, collision among the spring, the floating plate and the base seat can be reduced, the service life of the device is prolonged, the bulge loop facilitates the spring to be nested and installed among the inner rubber pads, the damping sleeve provides protection for the spring, impact force received by the spring can be effectively reduced, the vibration reduction effect of the whole device is increased, and the first support rod and the second support rod provide stable support for the floating plate, the first support rod can slide up and down in the second support rod, so that the floating plate can move conveniently.
Furthermore, a groove is formed in the middle of the bottom end of the supporting rod, and a small spring is nested in the groove.
Through adopting above-mentioned technical scheme, through the recess is convenient for install little spring avoids little spring takes place to shift because of the atress warp in the use, through little spring gives first bracing piece provides elasticity, makes first bracing piece with the motion of second bracing piece with the motion coherence of floating plate guarantees the holistic harmony and the stability of device.
Furthermore, lifting lugs are welded on two sides of the base seat.
Through adopting above-mentioned technical scheme, through the lug handling device of being convenient for.
Further, a fixing plate is welded at the bottom end of the base seat.
By adopting the technical scheme, the device is convenient to install on the track foundation through the fixed plate.
Furthermore, fixing bolt holes are formed in the periphery of the fixing plate.
Through adopting above-mentioned technical scheme, through the fixing bolt hole is convenient for pass the bolt and is fixed the device.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. in order to solve the problems that the surface of an object is easy to damage and the sound insulation effect is poor due to continuous extrusion of a spring and a contact surface when the existing damping spring is used, the rubber sound insulation friction pad, the inner upper rubber pad and the damping sleeve are arranged, so that the collision of parts during the operation of the device can be reduced, the service life of the device is prolonged, the vibration attenuation effect of the whole device is increased, the operation of the device is lower in noise, and the sound insulation effect is better;
2. in order to solve the problems that although a middle supporting rod of the existing damping spring can slide up and down, the middle supporting rod is lack of elasticity, and the spring is easy to deform and shift, so that the practicability is reduced, the invention can enable the movement of the first supporting rod and the second supporting rod to be synchronous with the overall movement of the device by arranging the first supporting rod, the second supporting rod, the groove and the small spring, so that the first supporting rod and the second supporting rod can provide stable support for the floating plate, the overall harmony and stability of the device are ensured, the vibration reduction effect is improved, and the practicability is good.
Drawings
Fig. 1 is a schematic structural view of a vibration absorption type damping spring in the vibration isolator for a floating plate track according to the present invention;
FIG. 2 is a front view of an absorption type damping spring in the vibration isolator for a floating plate track according to the present invention;
FIG. 3 is a diagram showing the connection relationship between a first support rod and a second support rod in the vibration absorption damping spring in the vibration isolator for a floating slab track according to the present invention;
fig. 4 is a sectional view of a spring and a damping sleeve of a vibration absorption type damping spring in the vibration isolator for a floating plate rail according to the present invention.
The reference numerals are explained below:
1. a floating plate; 2. a rubber sound insulation friction pad; 3. a damping plate; 4. an inner rubber pad; 5. a raised ring; 6. a spring; 7. a base seat; 8. a fixing plate; 9. fixing bolt holes; 10. lifting lugs; 11. a first supporting rod; 12. a second supporting rod; 13. a groove; 14. a small spring; 15. a damping sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1-4, the vibration absorption type damping spring in the vibration isolator for the floating plate track in the embodiment comprises a floating plate 1, a base seat 7 and a spring 6, wherein the base seat 7 is arranged below the floating plate 1, the bottom end of the floating plate 1 and the upper end of the base seat 7 are both connected with a rubber sound insulation friction pad 2 through bolts, one side of the rubber sound insulation friction pad 2 is connected with a damping plate 3 through bolts, one side of the damping plate 3 is connected with an inner rubber pad 4 through bolts, a raised ring 5 is bonded and arranged on the inner rubber pad 4, the spring 6 is nested between the inner rubber pads 4, the floating plate 1 provides stable support for the track, the base seat 7 provides stable support for the device, the rubber sound insulation friction pad 2 can effectively reduce the friction sound generated by the floating plate 1 and the spring 6 during the compression movement, the device operates with lower noise, the vibration generated during the operation of the device can be effectively reduced through the damping plate 3, provide stable support for spring 6 through inner rubber pad 4, simultaneously can slow down spring 6, collision between floating plate 1 and the basement 7, improve device life, be convenient for the nested installation of spring 6 between inner rubber pad 4 through protruding ring 5, the nested damping cover 15 that has of spring 6 outer wall, provide the protection for spring 6 through damping cover 15, can effectively slow down the impact force that spring 6 received, increase the holistic damping effect of device simultaneously, basement 7 both sides welding has lug 10, be convenient for handling device through lug 10, 7 bottom welding of basement have fixed plate 8, be convenient for install the device on the track ground through fixed plate 8, fixed plate 8 shaping all around has fixing bolt hole 9, be convenient for pass the bolt through fixing bolt hole 9 and fix the device.
As shown in fig. 1, 2 and 3, in this embodiment, the middle of the bottom end of the floating plate 1 is connected with a first support rod 11 through a bolt, the bottom end of the first support rod 11 is connected with a second support rod 12 in a sliding manner, the first support rod 11 and the second support rod 12 provide stable support for the floating plate 1, and the first support rod 11 can slide up and down in the second support rod 12, so that the floating plate 1 can move conveniently.
As shown in fig. 2 and 3, in this embodiment, a groove 13 is formed in the middle of the bottom end of the first support rod 11, the small spring 14 is embedded in the groove 13, the small spring 14 is convenient to mount through the groove 13, the small spring 14 is prevented from being displaced due to stress deformation in the use process, the small spring 14 provides elastic force for the first support rod 11, the movement of the first support rod 11 and the second support rod 12 is in the same time as the movement of the floating plate 1, and the overall coordination and stability of the device are ensured.
The specific implementation process of this embodiment is as follows: the device is carried to a rail foundation through a lifting lug 10, the device is installed on the rail foundation through a fixing plate 8, then bolts penetrate through fixing bolt holes 9 to fix the device, the integral stability of the device in use is ensured, stable support is provided for the rail through a floating plate 1 and a base seat 7, friction sound generated by the floating plate 1 and a spring 6 in compression motion can be effectively reduced through a rubber sound-insulation friction pad 2, the device is enabled to run with lower noise, vibration generated in running of the device can be effectively reduced through a damping plate 3, stable support is provided for the spring 6 through an inner rubber pad 4, meanwhile, collision among the spring 6, the floating plate 1 and the base seat 7 can be reduced, the service life of the device is prolonged, the spring 6 can be embedded and installed between the inner rubber pads 4 through a raised ring 5, the spring 6 is protected through a damping sleeve 15, and impact force received by the spring 6 can be effectively reduced, increase the holistic damping effect of device simultaneously, make the device operation lower noise, the sound insulation effect is better, and bracing piece one 11 can slide from top to bottom in bracing piece two 12, provides elasticity for bracing piece one 11 through little spring 14, makes the motion of bracing piece one 11 and bracing piece two 12 and the motion of floating plate 1 concordance, guarantees the holistic harmony and the stability of device, improves the damping effect.
The above-described examples are merely illustrative of the preferred embodiments of the present patent and are not intended to limit the spirit and scope of the present patent. Various modifications and improvements of the technical solutions of the present invention, which are made by those skilled in the art without departing from the design concept of the present invention, shall fall within the protection scope of the present invention, and the technical contents of the present invention, which are claimed, are all described in the claims.
Claims (6)
1. The utility model provides a vibration absorption type damping spring in isolator for floating slab track which characterized in that: the damping device comprises a floating plate (1), a base seat (7) and a spring (6), wherein the base seat (7) is arranged below the floating plate (1), the bottom end of the floating plate (1) and the upper end of the base seat (7) are connected with rubber sound-insulation friction pads (2) through bolts, one sides of the rubber sound-insulation friction pads (2) are connected with damping plates (3) through bolts, one sides of the damping plates (3) are connected with inner rubber pads (4) through bolts, the inner rubber pads (4) are bonded and provided with raised rings (5), the spring (6) is nested between the inner rubber pads (4), and damping sleeves (15) are nested on the outer walls of the spring (6).
2. The vibration absorption type damping spring in a vibration isolator for a floating plate rail according to claim 1, wherein: the middle of the bottom end of the floating plate (1) is connected with a first supporting rod (11) through a bolt, and the bottom end of the first supporting rod (11) is connected with a second supporting rod (12) in a sliding mode.
3. The vibration absorption type damping spring in a vibration isolator for a floating plate rail according to claim 2, wherein: a groove (13) is formed in the middle of the bottom end of the first supporting rod (11), and a small spring (14) is nested in the groove (13).
4. The vibration absorption type damping spring in a vibration isolator for a floating plate rail according to claim 1, wherein: lifting lugs (10) are welded on two sides of the base seat (7).
5. The vibration absorption type damping spring in a vibration isolator for a floating plate rail according to claim 1, wherein: the bottom end of the base seat (7) is welded with a fixed plate (8).
6. The vibration absorption type damping spring in a vibration isolator for a floating plate rail according to claim 5, wherein: and fixing bolt holes (9) are formed in the periphery of the fixing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395226.5A CN111021160A (en) | 2019-12-30 | 2019-12-30 | Vibration absorption type damping spring in vibration isolator for floating slab track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395226.5A CN111021160A (en) | 2019-12-30 | 2019-12-30 | Vibration absorption type damping spring in vibration isolator for floating slab track |
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| Publication Number | Publication Date |
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| CN111021160A true CN111021160A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911395226.5A Pending CN111021160A (en) | 2019-12-30 | 2019-12-30 | Vibration absorption type damping spring in vibration isolator for floating slab track |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252090A (en) * | 2020-09-29 | 2021-01-22 | 北京九州一轨环境科技股份有限公司 | Vibration isolator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554423Y (en) * | 2002-07-24 | 2003-06-04 | 靳伟华 | Multi-compound damping spring shock-absorber |
| KR100883571B1 (en) * | 2004-07-23 | 2009-02-17 | 거버 (칭다오) 바이브레이션 컨트롤 컴퍼니 리미티드 | A floating slab track bed |
| CN103306169A (en) * | 2012-03-13 | 2013-09-18 | 隔而固(青岛)振动控制有限公司 | Slab end isolation mounting device for floating track bed |
| CN104989773A (en) * | 2015-06-12 | 2015-10-21 | 重庆材料研究院有限公司 | Floating-slab track vibration isolator based on magnetorheological materials |
| CN208201509U (en) * | 2018-04-25 | 2018-12-07 | 江苏振华轨道交通设备有限公司 | A kind of butterfly spring floating plate vibration isolator |
| CN109056425A (en) * | 2018-08-27 | 2018-12-21 | 广州地铁设计研究院股份有限公司 | Frequency and the weak relationship type floating plate railway roadbed of load |
-
2019
- 2019-12-30 CN CN201911395226.5A patent/CN111021160A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554423Y (en) * | 2002-07-24 | 2003-06-04 | 靳伟华 | Multi-compound damping spring shock-absorber |
| KR100883571B1 (en) * | 2004-07-23 | 2009-02-17 | 거버 (칭다오) 바이브레이션 컨트롤 컴퍼니 리미티드 | A floating slab track bed |
| CN103306169A (en) * | 2012-03-13 | 2013-09-18 | 隔而固(青岛)振动控制有限公司 | Slab end isolation mounting device for floating track bed |
| CN104989773A (en) * | 2015-06-12 | 2015-10-21 | 重庆材料研究院有限公司 | Floating-slab track vibration isolator based on magnetorheological materials |
| CN208201509U (en) * | 2018-04-25 | 2018-12-07 | 江苏振华轨道交通设备有限公司 | A kind of butterfly spring floating plate vibration isolator |
| CN109056425A (en) * | 2018-08-27 | 2018-12-21 | 广州地铁设计研究院股份有限公司 | Frequency and the weak relationship type floating plate railway roadbed of load |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252090A (en) * | 2020-09-29 | 2021-01-22 | 北京九州一轨环境科技股份有限公司 | Vibration isolator |
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Application publication date: 20200417 |
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