CN211689687U - Vibration isolator and inner sleeve thereof - Google Patents
Vibration isolator and inner sleeve thereof Download PDFInfo
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- CN211689687U CN211689687U CN201922263044.4U CN201922263044U CN211689687U CN 211689687 U CN211689687 U CN 211689687U CN 201922263044 U CN201922263044 U CN 201922263044U CN 211689687 U CN211689687 U CN 211689687U
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- damping cylinder
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- inner sleeve
- isolator
- bottom plate
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Abstract
The disclosure relates to the technical field of rail transit, and discloses a vibration isolator and an inner sleeve thereof. The vibration isolator inner sleeve includes a bottom plate; a top plate; the lower damping cylinder is connected with the bottom plate; an upper damping cylinder; the upper damping cylinder is connected with the top plate, and one part of the upper damping cylinder is inserted into the lower damping cylinder and is detachably connected with the bottom plate through a spring clip; and two ends of the steel spring are respectively and elastically abutted against the bottom plate and the top plate. The utility model provides a vibration isolator and inner skleeve thereof will go up damping section of thick bamboo and bottom plate detachable connection through the spring clip to realize the fast assembly of inner skleeve, and dismantle easy maintenance, simple structure.
Description
Technical Field
The utility model relates to a track traffic technical field especially relates to a isolator inner skleeve and including isolator inner skleeve's isolator.
Background
With social development and technological progress, rail transit becomes one of the most effective means for relieving urban traffic congestion due to the advantages of large transportation volume, high speed, small environmental pollution and the like. However, during the driving process, the collision between the wheels and the steel rail inevitably causes vibration and noise problems, which seriously affect the quality of life and the building safety of surrounding residents. At present, a plurality of methods for controlling vibration and noise pollution of the urban rail transit system exist, wherein the damping spring floating plate has the most prominent vibration isolation effect due to lower natural frequency.
Current damping spring float plates typically include a vibration isolator comprising an inner sleeve and an outer sleeve. However, the inner sleeve of the prior art is complicated in structure and inconvenient to assemble and disassemble.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the present disclosure is to solve at least one aspect of the above problems and disadvantages in the related art.
(II) technical scheme
In order to solve the above technical problem, the present disclosure provides a vibration isolator inner sleeve, including:
a base plate;
a top plate;
the lower damping cylinder is connected with the bottom plate;
an upper damping cylinder; the upper damping cylinder is connected with the top plate, and one part of the upper damping cylinder is inserted into the lower damping cylinder and is detachably connected with the bottom plate through a spring clip; and
and two ends of the steel spring are respectively and elastically abutted against the bottom plate and the top plate.
In some embodiments, the bottom of the upper damping cylinder is provided with an end cover plate, the end cover plate has a through hole formed therein, and the spring clip is configured to pass through the through hole and press against the end cover plate to connect the upper damping cylinder and the bottom plate together.
In some embodiments, the spring clip comprises:
a base removably connected to the floor;
at least one resilient arm extending from the base toward the upper damping cylinder; and
a catch provided at a free end of the resilient arm and configured to pass through the through-hole in the end cover plate by deformation of the resilient arm and resiliently abut against a side of the end cover plate remote from the base plate.
In some embodiments, a limiting hole suitable for installing a horizontal limiting stopper is formed in the bottom plate, a hole cover located in the lower damping cylinder is further arranged on the bottom plate, the hole cover is arranged on the limiting hole, and the base is detachably connected with the hole cover.
In some embodiments, the perimeter of the orifice cover is configured to mate with an inner edge of the steel spring to limit the horizontal position of the steel spring.
In some embodiments, the base and the orifice cover are bolted together.
In some embodiments, the number of resilient arms is two, two extending from opposite sides of the base.
In some embodiments, the lower damping cylinder contains a damping material therein.
In some embodiments, the height of the damping material is such that the upper damping cylinder is in contact with the damping material.
In some embodiments, the top plate is further provided with an upper spring retainer ring, and the upper spring retainer ring is arranged on the outer side of the upper damping cylinder and is suitable for limiting the horizontal position of the steel spring.
In some embodiments, a waterproof retainer ring is further arranged on the top plate, and the waterproof retainer ring is arranged on the outer side of the lower damping cylinder.
In some embodiments, a rubber pad is disposed below the bottom plate.
There is also provided, in accordance with an embodiment of another aspect of the present disclosure, a vibration isolator including a vibration isolator inner sleeve as described above.
(III) advantageous effects
The utility model provides a vibration isolator and inner skleeve thereof will go up damping section of thick bamboo and bottom plate detachable connection through the spring clip to realize the fast assembly of inner skleeve, and dismantle easy maintenance, simple structure.
Drawings
Figure 1 is a schematic structural view of an inner sleeve of an isolator according to an exemplary embodiment of the present disclosure; and
figure 2 is a schematic view of the connection of an upper damping cylinder to an orifice cover of an internal sleeve of an isolator according to an exemplary embodiment of the present disclosure;
FIG. 3 is a top view of the upper damping cylinder and orifice cover of the inner sleeve of the isolator shown in FIG. 2; and
figure 4 is a schematic view of the installation of an inner sleeve of an isolator according to an exemplary embodiment of the present disclosure.
Detailed Description
Specific embodiments of the present disclosure are described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present disclosure, but are not intended to limit the scope of the present disclosure.
Figures 1-3 illustrate a preferred embodiment of an inner sleeve of an isolator according to the present disclosure. As shown, the isolator inner sleeve comprises a bottom plate 8, a lower damping cylinder 6, an upper damping cylinder 11, a top plate 4, and a steel spring 10. The lower damping cylinder 6 is located above the bottom plate 8 and is connected to the bottom plate 8. The upper damping cylinder 11 is located below the top plate 4 and is connected to the top plate 4. The steel spring 10 is elastically abutted at both ends against the bottom plate 8 and the top plate 4, respectively. A part of the upper damping cylinder 11 is inserted into the lower damping cylinder 6 and detachably connected with the bottom plate 8 through a spring clamp 12, so that the upper damping cylinder 11 is connected with the lower damping cylinder 6. The vibration isolator inner sleeve provided by the disclosure detachably connects the upper damping cylinder 11 with the bottom plate 8 through the spring clamp 12, so that the inner sleeve can be quickly assembled, and is convenient to disassemble and maintain and simple in structure.
In an exemplary embodiment, as shown in fig. 1 to 4, the bottom of the upper damping cylinder 11 is provided with an end cover plate, the end cover plate 16 is formed with a through hole, and the spring clip 12 is configured to pass through the through hole and press against the end cover plate 16 to connect the upper damping cylinder 11 and the bottom plate 8 together. However, it should be noted that in some other embodiments of the present disclosure, the spring clip 12 may be connected to the side wall of the upper damping cylinder 11, for example, an opening is provided on the side wall of the upper damping cylinder 11, and the spring clip 12 is clipped on the opening to realize the connection between the upper damping cylinder 11 and the bottom plate 8.
In an exemplary embodiment, as shown in fig. 1 to 3, the lower damping cylinder 6 contains a damping material 7 to perform the functions of motion buffering and amplitude reduction, thereby improving the vibration isolation and damping effect and improving the dynamic stability. In this embodiment, the height of the damping material 7 may be such that a portion of the damping material 7 enters the upper damping cylinder 11 through the through hole of the end cover plate 16, so that the upper damping cylinder 11 is in sufficient contact with the damping material 7 to further isolate and reduce noise. However, it should be noted that in other embodiments of the present disclosure, the height of the damping material 7 in the lower damping cylinder 6 may be lower than the height of the end cover plate 16.
In an exemplary embodiment, as shown in fig. 1, a limiting hole suitable for installing a horizontal limiting stopper 14 is formed in the bottom plate 8, and a hole cover 13 is further disposed on the bottom plate 8 and located in the lower damping cylinder 6, and the hole cover 13 is covered on the limiting hole to prevent the damping material 7 from leaking out through the limiting hole. Further, the outer edge of the hole cover 13 is engaged with the inner edge of the steel spring 10 to limit the position of the steel spring 10 in the horizontal direction.
In an exemplary embodiment, as shown in fig. 1-4, the spring clip 12 includes a base 12A and two resilient arms 12B, the base 12A being removably connected to the orifice cover 13; the elastic arm 12B extends from the base 12A toward the upper damping cylinder 11. The spring clip 12 further includes a catch 12C located at a free end of each of the resilient arms 12B and projecting outward, the catch 12C being configured to pass through a through hole formed in an end cover plate of the upper damper cylinder 11 by deformation of the resilient arms 12B and to be resiliently pressed against the end cover plate 16 from a side of the end cover plate 16 remote from the bottom plate 8 to effect connection of the upper damper cylinder 11 to the bottom plate 8.
In one example embodiment, as shown in fig. 1-4, the number of resilient arms 12B is two, with two resilient arms 12B extending from opposite sides of the base 12A. However, it should be understood by those skilled in the art that in other embodiments of the present disclosure, the number of the elastic arms 12B may be more than two, such as three, four, six, etc. Preferably, a plurality of resilient arms 12B are equally spaced along the peripheral edge of the base 12A.
In one example embodiment, as shown in fig. 1-4, the base 12A is bolted to the orifice cover 13. However, it will be understood by those skilled in the art that in other embodiments of the present disclosure, the base 12A and the orifice cover 13 may be connected by other means such as welding, snap-fit connection, etc.
In an exemplary embodiment, as shown in fig. 1, the top plate 4 is further provided with an upper spring retainer 9, and the upper spring retainer 9 is annularly arranged on the outer side of the upper damping cylinder 11 and is adapted to limit the position of the steel spring 10 in the horizontal direction.
In an exemplary embodiment, as shown in fig. 1, the top plate 4 is further provided with a water-proof collar 5, and the water-proof collar 5 is annularly arranged on the outer side of the lower damping cylinder 6 to prevent moisture and the like from entering the inner sleeve.
In an exemplary embodiment, as shown in fig. 1, the bottom of the bottom plate 8 is further provided with a rubber pad 15 to increase the friction between the contact surface of the bottom plate 8 and the substrate, thereby suppressing lateral sliding and horizontal load, and improving the vibration isolation and buffering effect.
In an exemplary embodiment, as shown in fig. 1, 3 shim assemblies are further arranged on the top plate 4 along the circumferential direction of the top plate 4, each shim assembly comprises a plurality of leveling shims 3 with the same or different thicknesses which are stacked together on the top plate 4, and the damping spring floating ballast bed is supported on the foundation through the vibration isolator by the leveling shims 3. Each leveling shim 3 is provided with a through hole for a bolt to pass through, the leveling shims 3 which are overlapped together enable a plurality of leveling shims 3 to be centered and positioned and locked on the top plate 4 by screwing the bolt into the through holes, in addition, a locking shim 2 is arranged between each leveling shim 3 and the bolt head, and a through hole for the bolt to pass through is also arranged on the locking shim 2 so as to ensure that the leveling shim 3 is locked between the top plate 4 and an outer sleeve stop block connected with an outer sleeve of the vibration isolator. Further, for convenience of installation, limiting plates 1 are respectively arranged on the upper top plate 4 at positions corresponding to each gasket assembly for positioning the corresponding gasket assembly, and preferably, the limiting plates are L-shaped.
According to another aspect of the present disclosure, there is also provided a vibration isolator including the vibration isolator inner sleeve as described above.
When the vibration isolator is constructed, (1) an outer sleeve is firstly bound and fixed with a reinforcement cage together before concrete is poured, and the position is forbidden to deviate; (2) before concrete pouring, the bottom of the outer sleeve barrel and the base isolation film are sealed by silica gel or glass cement, so that the accurate position of the outer sleeve barrel is ensured and cement paste leakage is prevented; (3) opening the top cover of the outer sleeve, cutting the isolating layer along the edge of the inner side of the cylinder body, and cleaning the surface of the substrate; (4) drilling holes at specified positions by using a special tool and a percussion drill, and installing the horizontal limiting stopper 14; (5) vertically placing the inner sleeve on the base inside the outer sleeve by using a special clamp, and precisely matching a limiting hole of the inner sleeve with the horizontal limiter 14; (6) rotating the inner sleeve anticlockwise to enable the top plate 4 to stop rotating after the top plate 4 is in collision fit with the stop block of the outer sleeve, wherein the top plate 4 is just positioned at the bottom of the bearing stop block and is qualified; (7) installing a special hydraulic tool, wherein the force points are respectively the groove part of the outer sleeve bearing the stop block and the upper surface of the top plate 4, starting the hydraulic tool, and compressing the upper part of the inner sleeve downwards; (8) while compressing, placing leveling gaskets 3 with different thicknesses between the limiting plate 1 and the bearing stop block, and after compressing, fixing the locking gasket 2 on the top of the leveling gasket 1 to ensure that the locking gasket is not loosened; (9) the compression leveling process is carried out on each vibration isolation device in sequence, and the vibration isolation devices are circularly jacked for 3 times; (10) after all jacking work is finished, the interior of the outer sleeve is cleaned, and after no sundries are ensured, the top plate 4 is locked, and construction is finished.
According to isolator and inner skleeve thereof according to this disclosure above-mentioned embodiment with go up damping section of thick bamboo and bottom plate detachable connection through the spring clip to realize the fast assembly of inner skleeve, and dismantle easy maintenance, simple structure. In addition, the lower damping cylinder is internally provided with damping materials, so that the noise reduction and vibration isolation effects are further improved.
The present disclosure is to be considered as limited only by the preferred embodiments and not limited to the specific embodiments described herein, and all changes, equivalents, and modifications that come within the spirit and scope of the disclosure are desired to be protected.
Claims (13)
1. A vibration isolator inner sleeve, comprising:
a base plate;
a top plate;
the lower damping cylinder is connected with the bottom plate;
an upper damping cylinder; the upper damping cylinder is connected with the top plate, and one part of the upper damping cylinder is inserted into the lower damping cylinder and is detachably connected with the bottom plate through a spring clip; and
and two ends of the steel spring are respectively and elastically abutted against the bottom plate and the top plate.
2. The isolator inner sleeve of claim 1, wherein a bottom portion of the upper damping cylinder is provided with an end cap plate having a through hole formed therein, the spring clip being configured to pass through the through hole and be crimped over the end cap plate to couple the upper damping cylinder and the bottom plate together.
3. The internal isolator sleeve of claim 2, wherein said spring clip comprises:
a base removably connected to the floor;
at least one resilient arm extending from the base toward the upper damping cylinder; and
a catch provided at a free end of the resilient arm and configured to pass through the through-hole in the end cover plate by deformation of the resilient arm and resiliently abut against a side of the end cover plate remote from the base plate.
4. The internal sleeve of claim 3, wherein said base plate has a retaining hole formed therein for receiving a horizontal retainer, and wherein said base plate has a cover disposed therein for covering said retaining hole, said cover being removably attached to said cover.
5. The internal isolator sleeve of claim 4, wherein a perimeter edge of said orifice cover is configured to mate with an inner edge of said steel spring to limit a horizontal position of said steel spring.
6. The isolator inner sleeve of claim 4, wherein the base is bolted to the orifice cover.
7. The isolator inner sleeve of claim 3, wherein the number of spring arms is two, two extending from opposite sides of the base.
8. The internal sleeve of any of claims 1-7, wherein said lower damping cylinder contains a damping material therein.
9. The internal isolator sleeve of claim 8, wherein the height of said damping material is such that said upper damping cylinder is in contact with said damping material.
10. The isolator inner sleeve of claim 1, further comprising an upper spring retainer ring disposed on said top plate outside of said upper damping cylinder and adapted to limit the horizontal position of said steel spring.
11. The vibration isolator inner sleeve of claim 1, wherein a water stop ring is further disposed on the top plate and is disposed outside the lower damping cylinder.
12. The isolator inner sleeve of claim 1, wherein a rubber pad is disposed below the floor.
13. A vibration isolator, characterized in that it comprises an inner sleeve according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263044.4U CN211689687U (en) | 2019-12-13 | 2019-12-13 | Vibration isolator and inner sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263044.4U CN211689687U (en) | 2019-12-13 | 2019-12-13 | Vibration isolator and inner sleeve thereof |
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| Publication Number | Publication Date |
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| CN211689687U true CN211689687U (en) | 2020-10-16 |
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| CN201922263044.4U Active CN211689687U (en) | 2019-12-13 | 2019-12-13 | Vibration isolator and inner sleeve thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523014A (en) * | 2020-12-30 | 2021-03-19 | 北京九州一轨环境科技股份有限公司 | Disassembling device for inner sleeve of vibration isolator |
| CN112900158A (en) * | 2020-12-29 | 2021-06-04 | 北京九州一轨环境科技股份有限公司 | Vibration isolator and inner sleeve thereof |
| CN116411491A (en) * | 2023-04-27 | 2023-07-11 | 道尔道科技股份有限公司 | Damping spring isolator inner sleeve |
-
2019
- 2019-12-13 CN CN201922263044.4U patent/CN211689687U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900158A (en) * | 2020-12-29 | 2021-06-04 | 北京九州一轨环境科技股份有限公司 | Vibration isolator and inner sleeve thereof |
| CN112523014A (en) * | 2020-12-30 | 2021-03-19 | 北京九州一轨环境科技股份有限公司 | Disassembling device for inner sleeve of vibration isolator |
| CN116411491A (en) * | 2023-04-27 | 2023-07-11 | 道尔道科技股份有限公司 | Damping spring isolator inner sleeve |
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