CN109722951B - Isolator outer sleeve and isolator with same - Google Patents
Isolator outer sleeve and isolator with same Download PDFInfo
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- CN109722951B CN109722951B CN201711036886.5A CN201711036886A CN109722951B CN 109722951 B CN109722951 B CN 109722951B CN 201711036886 A CN201711036886 A CN 201711036886A CN 109722951 B CN109722951 B CN 109722951B
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- outer sleeve
- holes
- vibration isolator
- hole
- isolator
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- 239000004567 concrete Substances 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims abstract description 12
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention relates to the technical field of rail transit vibration isolation, and discloses an outer sleeve of a vibration isolator and the vibration isolator comprising the outer sleeve of the vibration isolator, wherein the vibration isolator comprises a cylinder body, N holes are formed in the cylinder body and are divided into M holes used for grouting and N-M holes used for anchoring, wherein N is more than or equal to 2, M is more than or equal to 1, and N-M is more than or equal to 1. The outer sleeve of the vibration isolator can be replaced on the premise of not breaking a concrete track bed, so that window time operation of rail operation and maintenance can be utilized, normal subway operation time is not occupied, operation is safe and reliable, and the reinforcing effect after replacement is obvious.
Description
Technical Field
The invention relates to the technical field of rail transit vibration isolation, in particular to an outer sleeve of a vibration isolator and the vibration isolator comprising the outer sleeve of the vibration isolator.
Background
Along with the high-speed development of national economy, rail traffic rapidly becomes a development hot spot of urban traffic construction by the advantages of convenience, rapidness, punctual, energy conservation and effective relief of ground traffic jam. However, vibration and noise pollution of the system can also have a certain negative effect on the environment along the line, and necessary vibration isolation and noise reduction measures must be adopted at the same time of construction. The track system floating ballast vibration isolation structure which is formed by damping springs has the best vibration and noise reduction effects.
In the floating ballast bed vibration isolation structure of the track system, the vibration isolator is a core component and consists of an inner sleeve, an outer sleeve, a top cover and the like. The inner sleeve can be detached and replaced at any time, but the outer sleeve cannot be replaced once damaged due to the fact that the outer sleeve is poured in the concrete track bed.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide an outer sleeve of a vibration isolator, which can be replaced by window time without breaking a concrete track bed or affecting normal operation.
(II) technical scheme
In order to solve the technical problems, the invention provides an outer sleeve of a vibration isolator, which comprises a cylinder body, wherein N holes are formed in the cylinder body and are divided into M holes used for grouting and N-M holes used for anchoring, wherein N is more than or equal to 2, M is more than or equal to 1, and N-M is more than or equal to 1.
The N holes are divided into at least two groups, each group comprises at least two holes, the centers of the holes in each group are all positioned on the same bus of the cylinder body, and the distribution positions on the bus are the same.
Wherein the number of holes in each group is three.
The circumference surface of the hole wall of each group of holes is parallel to the connecting line between the center of the hole and the base point, and the base point is positioned at the upper part of the cylinder body, in the plane where the center of the hole and the axis of the cylinder body are positioned, and at one side of the axis far away from the hole.
Wherein, be provided with a plurality of barbs on the outer wall of barrel.
Wherein the barb is in interference fit with a hole for mounting the outer sleeve of the vibration isolator.
Wherein, the included angle between the generating line of barrel and the barb is acute angle beta.
Wherein, beta is more than or equal to 45 degrees and less than or equal to 75 degrees.
Wherein the barbs are uniformly distributed on the outer wall of the cylinder.
The invention also discloses a vibration isolator which comprises the vibration isolator outer sleeve.
(III) beneficial effects
The outer sleeve of the vibration isolator can be replaced on the premise of not breaking a concrete track bed. Therefore, the window time operation of rail operation and maintenance can be utilized, the normal subway operation time is not occupied, the operation is safe and reliable, and the reinforcement effect after replacement is obvious. In addition, the device is simple in structure, convenient to manufacture, and convenient to install and detach, so that the outer sleeve of the vibration isolator can be overhauled or replaced.
Drawings
Figure 1 is a schematic view of the construction of a preferred embodiment of an outer sleeve of a vibration isolator according to the present invention;
figure 2 is a cross-sectional view A-A of the outer sleeve of the vibration isolator of figure 1;
Fig. 3 is a schematic view of the outer sleeve of the vibration isolator of fig. 1 installed in a ballast bed.
In the figure, 1: a cylinder; 2: a hole; 3: a barb; 4: a ballast bed; 5: an anchoring rib; b: base point.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Figures 1 to 3 show a preferred embodiment of an isolator outer sleeve according to the present invention. As shown in the figure, the vibration isolator outer sleeve comprises a cylinder body 1, N holes 2 are formed in the cylinder body 1, the N holes 2 are divided into M holes 2 used for grouting and N-M holes 2 used for anchoring, wherein N is more than or equal to 2, M is more than or equal to 1, and N-M is more than or equal to 1. The isolator outer sleeve further comprises an anchoring rib 5 adapted to the hole 2 serving as anchor. In this example, the total number of holes N is 9. The 9 holes include 1 hole 2 for grouting and 8 holes 2 for anchoring. The hole 2, preferably for grouting, is located at the lowermost end of the cylinder 1. The diameter of the holes is for example 20mm.
When the outer sleeve of the vibration isolator needs to be replaced, firstly, taking out the outer sleeve which needs to be replaced by using a water drilling machine; and pressing the outer sleeve into the hole of the concrete track bed 4 for installing the outer sleeve; driving anchoring ribs 5 into the holes 2 of the cylinder body for anchoring; then, an inflatable cushion is put into the lower end of the outer sleeve, and is inflated, and an annular gap at the outer side of the bottom of the outer sleeve (namely, a gap between the cylinder 1 and a hole of the concrete track bed 4 for installing the outer sleeve) is blocked by the inflatable cushion; pouring concrete mortar into the gap between the cylinder 1 and the hole for installing the outer sleeve through the hole 2 for grouting; and removing the inflatable cushion after the poured concrete mortar is solidified, and finally jacking to complete replacement of the outer sleeve of the vibration isolator.
The outer sleeve of the vibration isolator provided by the invention can be replaced on the premise of not breaking the reinforced concrete ballast bed, so that window time operation of rail operation and maintenance can be utilized, and normal subway operation time is not occupied. The operation is safe and reliable, and the reinforcement effect is obvious after replacement. In addition, the device simple structure, it is convenient to make to the installation is dismantled to the inner skleeve of vibration isolator is overhauld or changed to the convenience.
Preferably, the N holes 2 are divided into at least two groups, each group comprising at least two holes 2, the centers of the holes 2 in each group being located on the same busbar of the cylinder and the distribution positions on the busbar being the same. In this embodiment, the 9 holes 2 are divided into three groups, each group includes three holes 2, the centers of the three holes 2 are located on the same bus of the cylinder 1, and the distribution positions on the bus are the same, that is, the holes 2 located at the upper portions of different buses among the 9 holes 2 are distributed on the same level, the holes 2 located at the middle portions of different buses are distributed on the same level, and the holes 2 located at the lower portions of different buses are distributed on the same level. The vibration isolator outer cylinder body is provided with 3 holes 2 on the same bus, and three holes are also arranged on the same level of the cylinder body 1, so that the connection between the outer sleeve and the concrete track bed 4 can be firmer when the vibration isolator outer cylinder body is anchored by the anchoring ribs 5.
It should be noted that in other embodiments of the present invention, other numbers of holes 2 may be used, for example, 6, 10, 12 holes 2 may be distributed on the cylinder 1 in other manners, so long as the outer sleeve and the concrete track bed 4 are firmly connected.
In addition, in order to facilitate driving of the anchor rib into the hole 2 serving as the anchor and grouting into the hole 2 serving as the grouting, it is preferable that the circumferential surface where the hole wall of the hole 2in each group is located is parallel to the line between the center of the hole 2 and the base point B which is located at the upper portion of the cylinder 1 in the plane where the center of the hole 2 and the axis of the cylinder 1 are located, and is located on the side where the axis is away from the hole 2.
In order to prevent the outer sleeve from coming out of the mounting hole in the concrete track bed 4, it is preferred that several barbs 3 are provided on the outer wall of the cylinder 1. Preferably, the barbs 3 are interference fit with the holes for mounting the isolator outer sleeve to further enhance the securement of the connection between the outer sleeve and the concrete track bed 4.
Specifically, the included angle between the generatrix where the connection point of the barb 3 with the barrel 1 is located and the barb 3 is an acute angle β, preferably 45 ° β 75 °, for example 60 °. And preferably the barbs 3 are evenly distributed on the outer wall of the barrel 1.
The invention also discloses a vibration isolator which comprises the outer sleeve of the vibration isolator. The technical effects of the vibration isolator according to the embodiment of the present invention correspond to those of the outer sleeve of the vibration isolator, and in order to avoid unnecessary repetition, a detailed description will be omitted.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The vibration isolator outer sleeve is characterized by comprising a cylinder body, wherein N holes are formed in the cylinder body, the N holes are divided into M holes used for grouting and N-M holes used for anchoring, N is more than or equal to 2, M is more than or equal to 1, and N-M is more than or equal to 1;
An annular gap is arranged between the cylinder body and a hole on the concrete road bed for installing the outer sleeve of the vibration isolator,
The vibration isolator outer sleeve further comprises an inflatable cushion and an anchoring rib, the inflatable cushion is used for blocking the annular gap, and the anchoring rib is matched with the hole;
the N holes are divided into at least two groups, each group comprises at least two holes, the centers of the holes in each group are all positioned on the same bus of the cylinder body, and the distribution positions on the bus are the same;
The circumferential surfaces of the hole walls of the holes in each group are parallel to the connecting line between the center of the hole and a base point, and the base point is positioned at the upper part of the cylinder body, in the plane where the center of the hole and the axis of the cylinder body are positioned, and is positioned at one side of the axis far away from the hole.
2. The isolator outer sleeve of claim 1 wherein the number of holes in each set is three.
3. An isolator outer sleeve as claimed in claim 1 or claim 2, wherein barbs are provided on the outer wall of the barrel.
4. The isolator outer sleeve of claim 3 wherein said barb is an interference fit with a hole for mounting said isolator outer sleeve.
5. The isolator outer sleeve of claim 3 wherein an included angle between a generatrix of said barrel and said barb is an acute angle β.
6. The isolator outer sleeve of claim 5, wherein 45 ° β is less than or equal to 75 °.
7. The isolator outer sleeve of claim 3 wherein said barbs are uniformly distributed on the outer wall of said barrel.
8. A vibration isolator comprising the vibration isolator outer sleeve according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036886.5A CN109722951B (en) | 2017-10-30 | Isolator outer sleeve and isolator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036886.5A CN109722951B (en) | 2017-10-30 | Isolator outer sleeve and isolator with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109722951A CN109722951A (en) | 2019-05-07 |
| CN109722951B true CN109722951B (en) | 2024-06-04 |
Family
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098472A1 (en) * | 2007-02-15 | 2008-08-21 | Gerb (Qingdao) Vibration Control Co., Ltd. | A detachable vibration isolation device and the application thereof |
| CN101775762A (en) * | 2010-02-05 | 2010-07-14 | 北京市劳动保护科学研究院 | Vibration isolating support structure of damping spring floating track bed and installation method thereof |
| CN102206930A (en) * | 2007-02-15 | 2011-10-05 | 尹学军 | Split type vibration isolating device and application thereof |
| CN103696332A (en) * | 2013-12-11 | 2014-04-02 | 北京易科路通铁道设备有限公司 | Vibration isolator outer sleeve |
| CN203700886U (en) * | 2014-01-17 | 2014-07-09 | 北京九州一轨隔振技术有限公司 | Vibration isolator and track system floating-arranging track bed vibration isolation structure comprising the same |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098472A1 (en) * | 2007-02-15 | 2008-08-21 | Gerb (Qingdao) Vibration Control Co., Ltd. | A detachable vibration isolation device and the application thereof |
| CN102206930A (en) * | 2007-02-15 | 2011-10-05 | 尹学军 | Split type vibration isolating device and application thereof |
| CN101775762A (en) * | 2010-02-05 | 2010-07-14 | 北京市劳动保护科学研究院 | Vibration isolating support structure of damping spring floating track bed and installation method thereof |
| CN103696332A (en) * | 2013-12-11 | 2014-04-02 | 北京易科路通铁道设备有限公司 | Vibration isolator outer sleeve |
| CN203700886U (en) * | 2014-01-17 | 2014-07-09 | 北京九州一轨隔振技术有限公司 | Vibration isolator and track system floating-arranging track bed vibration isolation structure comprising the same |
Non-Patent Citations (1)
| Title |
|---|
| 中南林学院.《室内装修工程》.哈尔滨：东北林业大学出版社,1995,第18-19页. * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 102402 No.32 Guangmao Road, Doudian Town, Fangshan District, Beijing Applicant after: Beijing Jiuzhou first rail Environmental Technology Co.,Ltd. Address before: 100070 6068, 6th floor, block a, office park, No.11 Xinghuo Road, Science City, Fengtai District, Beijing Applicant before: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. Country or region before: China |
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| GR01 | Patent grant |