CN112127272B - Expansion joint device and arrangement method - Google Patents
Expansion joint device and arrangement method Download PDFInfo
- Publication number
- CN112127272B CN112127272B CN202011183988.1A CN202011183988A CN112127272B CN 112127272 B CN112127272 B CN 112127272B CN 202011183988 A CN202011183988 A CN 202011183988A CN 112127272 B CN112127272 B CN 112127272B
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- Prior art keywords
- expansion joint
- roller
- steel plate
- vehicle
- joint steel
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 238000005096 rolling process Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000011900 installation process Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the field of machinery, and particularly discloses an expansion joint device and an arrangement method. The roller device is arranged in the expansion joint, the impact part of the vehicle on the expansion joint is converted into the kinetic energy of the roller in the expansion joint through the roller, the roller with the proper radius is selected in the installation process, the height of the roller relative to the ground and the horizontal gap of the roller relative to the expansion joint are adjusted, the actual impact of the vehicle on the expansion joint is weakened, the expansion joint device is protected, meanwhile, the impact of the expansion joint on the vehicle is weakened, and the comfort of the vehicle during the expansion joint is improved. The device is simple, convenient to install and easy to adjust.
Description
Technical Field
The invention relates to the field of machinery, in particular to an expansion joint device and an arrangement method.
Background
The expansion joint is mainly used for preventing the damage of the building structure caused by too large expansion with heat and contraction with cold due to the change of temperature, wherein the pavement expansion joint is widely applied to roadside pavement and rectification engineering.
Traditional expansion joint, it can receive the impact force of the wheel of the vehicle of traveling to it, destroys often and takes place, and the expansion joint also can have certain impact to the vehicle simultaneously, and the travelling comfort is relatively poor when making the vehicle pass through the expansion joint.
Patent CN201920082011.7 discloses a road bridge expansion joint, which comprises an expansion joint main body, an expansion joint connecting device and a main body fixing hole, wherein the bottom of the expansion joint main body is movably connected with an expansion joint fixing plate, the middle part of the inner side of the expansion joint main body is movably connected with an expansion joint connecting device, the bottom of the expansion joint main body is fixedly connected with a main body supporting plate, the middle part of the expansion joint main body is movably connected with a main body expansion plate, the top end of the expansion joint main body is fixedly connected with a noise reduction layer, the noise reduction layer can reduce the generated noise, when vehicles pass through, the noise generated by the road bridge expansion joint can pass through the through holes in the noise reduction layer to be reduced or eliminated, and when the vehicle passes through the highway bridge expansion joint, the vibration amplitude of the highway bridge expansion joint is reduced, the abrasion of the internal components of the highway bridge expansion joint is reduced, and the durability of the highway bridge expansion joint is effectively ensured. However, the problem that how to reduce the impact force of the wheels on the expansion joint device and improve the stability when the vehicle passes through the deceleration strip is not solved, and the problem needs to be solved urgently.
In summary, there is a need for an expansion joint that can reduce the impact force of the wheels while improving the comfort of the vehicle passing through the expansion joint.
Disclosure of Invention
The invention aims to solve the problems and provides an expansion joint device and an arrangement method, which convert the impact energy of a vehicle on an expansion joint into the kinetic energy of a roller in the expansion joint, relatively weaken the actual impact of the vehicle on the expansion joint, protect the expansion joint device, weaken the impact of the expansion joint on the vehicle, and improve the comfort of the vehicle when passing through the expansion joint.
One of the objectives of the present invention is to provide an expansion joint device, which has the following technical scheme:
an expansion joint device comprises a first rolling shaft, a second rolling shaft, a rolling wheel, a rolling shaft support, a front side expansion joint steel plate and a rear side expansion joint steel plate, wherein the rolling shaft support is positioned at two ends of the first rolling shaft and the second rolling shaft, the second rolling shaft is positioned at the center of the first rolling shaft, the second rolling shaft penetrates through a hole corresponding to the rolling shaft support, and the second rolling shaft can rotate relative to a support hole; the roller support is fixedly connected with the front side expansion joint steel plate, and the rear side expansion joint steel plate is located on the other side of the expansion joint relative to the front side expansion joint steel plate.
Further, the second roller may be rotatable with respect to the first roller.
Furthermore, the front side telescopic steel plate and the rear side telescopic steel plate are fixed in the concrete through steel bars.
Further, the expansion joint device further comprises a water stop, and the water stop is located at a road gap below the first rolling shaft.
The second purpose of the invention is to provide the application of the expansion joint device in the scheme in installing the expansion joint on the speed-limiting pavement.
The third purpose of the invention is to provide an installation and arrangement method of the expansion joint device in the above scheme, which comprises the following specific technical scheme:
the arrangement method of the expansion joint device in the scheme comprises the following steps:
(1) mounting a front expansion joint steel plate and a rear expansion joint steel plate at two ends of an expansion joint, wherein the rear expansion joint steel plate is mounted at one end which is firstly contacted with a wheel;
(2) selecting the radius of the first roller according to the width of the expansion joint;
(3) adjusting the horizontal clear distance between the rear telescopic steel plate and the first roller according to the width of the expansion joint;
(4) and adjusting the height between the upper edge of the first rolling shaft and the horizontal road surface according to the speed limit of the vehicle.
Furthermore, the radius of the first roller is R, the horizontal clear distance between the rear expansion joint steel plate and the first roller is A, and R is greater than 9A.
Furthermore, the height between the upper edge of the first rolling shaft and the horizontal road surface is B, and B is more than 0.05 and less than 0.1R.
Further, when the vehicle speed limit V is more than or equal to 100km/h, B is 0.05R.
Further, when the vehicle speed limit V is less than or equal to 50km/h, B is 0.1R.
Furthermore, when the speed limit of the vehicle is more than 50km/h and less than 100km/h, 0.05R and less than B and less than 0.1R.
The invention has the advantages that: this scheme converts the vehicle to the impact part at expansion joint into the kinetic energy of roller bearing in the expansion joint, has weakened the actual impact of vehicle to the expansion joint relatively, when protecting the expansion joint device, has also weakened the impact of expansion joint to the vehicle, improves the travelling comfort of vehicle when crossing the expansion joint to device simple to operate, easily actual adjustment, it can also combine together with the highway section vehicle speed limit, chooses suitable roller bearing mounting height, and then improves its life.
Drawings
Fig. 1 is a schematic view of an expansion joint device according to the present invention.
FIG. 2 is a partial view of the installation position of the expansion joint device of the present invention
Fig. 3 is a force diagram of the expansion joint device of the present invention contacting with a wheel.
Fig. 4 is a partial stress diagram of the expansion joint device of the present invention when contacting with a wheel.
Fig. 5 is a schematic view of a common expansion joint contacting a wheel.
In the figure, 1-a first roller, 2-a second roller, 3-a roller bracket, 4-a front expansion joint steel plate, 5-a rear expansion joint steel plate, 6-a water stop and 7-a wheel.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, it being understood that the present invention is not limited to the particular examples described herein, but is capable of modification in various forms and details, and can be modified within the spirit and scope of the invention.
Examples
The expansion joint device of the present invention is explained with reference to fig. 1, and the present invention mainly adds a cylindrical roller with a radius R at the expansion joint, i.e. the first roller 1 of the present invention. The second roller penetrates the inside of the first roller 1 and the hole of the roller support 3, and can rotate relatively to the first roller 1 and the hole of the roller support 3. The roller support 3 is fixed on the front expansion joint steel plate 4, and the front expansion joint steel plate 4 and the rear expansion joint steel plate 5 are fixed in the concrete body of each side through reinforcing steel bars or other forms. In order to prevent the abutment from being polluted by water and sundries, a water stop 6 is arranged between the two concrete areas to intensively discharge water.
In the actual installation process, the rear expansion joint steel plate 5 is installed at the front end in the vehicle traveling direction, i.e., the end which is first in contact with the wheel. As shown in the partial view of fig. 2, the horizontal clear distance between the rear expansion joint steel plate 5 and the first roller 1 is a, and the height between the upper edge of the first roller 1 and the horizontal road surface is B, where R >9A, and 0.05< B < 0.1R. The expansion joint device is adjusted through the speed limit of the speed limit road section, when the vehicle speed limit V is larger than or equal to 100km/h, B is 0.05R, and when the vehicle speed limit V is smaller than or equal to 50km/h, B is 0.1R. When the speed limit of the vehicle is more than 50km/h and less than V and less than 100km/h, 0.05R and less than B and less than 0.1R.
When the vehicle passes through the expansion joint, the wheel 6 is in contact with the first roller 1 and generates interaction force. F 1 The radial force of the wheel 6 on the first roller 1 passes through the center of the cross section of the first roller 1; f 2 Is a tangential force of the wheel 6 on the first roller 1, F 2 Tangential to the cross section of the first roller 1. F 2 The first roller 1 can be rotated, so that when the wheel 6 passes through the expansion joint, a part of the impact of the wheel to the expansion joint is converted into the kinetic energy of the first roller 1, as shown in fig. 3.
W 1 -W 2 ＝W 3
W 1 The total impact energy of the wheel to the expansion joint; w is a group of 2 : kinetic energy of the first roller; w 3 : actual impact energy of the wheel pair expansion joint.
Fig. 4 shows the contact form between the wheel and the front telescopic steel plate 4 of the present invention, the contact surface between the wheel 7 and the front telescopic steel plate 4 is a tangent cylindrical surface, and fig. 5 shows the contact form between the wheel 7 and the front steel plate in the conventional telescopic joint, and the contact surface between the wheel and the steel plate is a plane. Compared with the traditional front steel plate, the large rolling shaft is a cylindrical surface, so that better buffering can be provided when the large rolling shaft is in contact with the wheel, and the stability of the vehicle when the vehicle passes through the speed bump is improved.
To sum up, this scheme converts the vehicle to the impact part at expansion joint into the kinetic energy of roller bearing in the expansion joint, has weakened the actual impact of vehicle to the expansion joint relatively, when protecting the expansion joint device, has also weakened the impact of expansion joint to the vehicle, improves the travelling comfort of vehicle when the over-extending joint.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The expansion joint device is characterized by comprising a first roller (1), a second roller (2), a roller support (3), a front side expansion joint steel plate (4) and a rear side expansion joint steel plate (5), wherein the second roller (2) is positioned at the center of the first roller (1), the second roller (2) penetrates through a hole corresponding to the roller support (3), the roller support (3) is positioned at two ends of the first roller (1) and the second roller (2), and the second roller (2) can rotate relative to the hole of the roller support (3); the roller support (3) is fixedly connected with the front side expansion joint steel plate (4), and the rear side expansion joint steel plate (5) is positioned at the other side of the expansion joint relative to the front side expansion joint steel plate (4); the second roller (2) is rotatable relative to the first roller (1); the expansion joint device further comprises a water stop (6), and the water stop (6) is positioned at a road gap below the first roller (1); the upper edge of the first rolling shaft (1) is higher than a horizontal road surface.
2. An expansion joint arrangement according to claim 1, characterized in that the front side expansion joint steel plate (4) and the rear side expansion joint steel plate (5) are fixed in the concrete by means of steel reinforcement.
3. The use of the expansion joint assembly of any of claims 1-2 in installation of expansion joints in speed-limiting pavements.
4. The method for arranging an expansion joint device according to any one of claims 1 to 2, comprising the steps of:
(1) a front expansion joint steel plate (4) and a rear expansion joint steel plate (5) are arranged at two ends of the expansion joint, and the rear expansion joint steel plate (5) is arranged at one end which is firstly contacted with a wheel;
(2) selecting the radius of the first roller (1) according to the width of the expansion joint;
(3) adjusting the horizontal net distance between the rear expansion joint steel plate (5) and the first roller (1) according to the width of the expansion joint;
(4) the height between the upper edge of the first rolling shaft (1) and the horizontal road surface is adjusted according to the speed limit of the vehicle; the radius of the first roller (1) is R, the horizontal clear distance between the rear expansion joint steel plate (5) and the first roller (1) is A, and R is more than 9A; the height between the upper edge of the first roller (1) and the horizontal road surface is B, and B is more than 0.05 and less than 0.1R.
5. The arrangement method according to claim 4, wherein when the vehicle speed limit V ≧ 100km/h, B ═ 0.05R, and when the vehicle speed limit V ≦ 50km/h, B ═ 0.1R.
6. The arrangement method according to claim 4, wherein 0.05R < B <0.1R when the vehicle speed limit is 50km/h < V < 100 km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183988.1A CN112127272B (en) | 2020-10-29 | 2020-10-29 | Expansion joint device and arrangement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183988.1A CN112127272B (en) | 2020-10-29 | 2020-10-29 | Expansion joint device and arrangement method |
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| Publication Number | Publication Date |
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| CN112127272A CN112127272A (en) | 2020-12-25 |
| CN112127272B true CN112127272B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011183988.1A Active CN112127272B (en) | 2020-10-29 | 2020-10-29 | Expansion joint device and arrangement method |
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| Country | Link |
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| CN (1) | CN112127272B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202577182U (en) * | 2012-06-05 | 2012-12-05 | 中国人民解放军理工大学工程兵工程学院 | Vehicle deceleration device |
| KR101617712B1 (en) * | 2015-09-25 | 2016-05-03 | 백양엔지니어링 주식회사 | Bridge displacement gauge using tension string |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2576784Y (en) * | 2002-10-14 | 2003-10-01 | 李秋琴 | Tubelike bridge extending device |
| KR20120127800A (en) * | 2011-05-16 | 2012-11-26 | (주)한미글로벌건축사사무소 | power generatable expansion joint apparatus for roads or bridges |
| CN105672126B (en) * | 2015-12-30 | 2017-07-07 | 广船国际有限公司 | A kind of bridge expansion joint structure |
| CN105803931A (en) * | 2016-03-08 | 2016-07-27 | 河北桥致通科技有限公司 | Barrier-free roller-plate-type expansion device of bridge beam end structure |
| CN107299590A (en) * | 2017-07-07 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Double-joint shallow shaped steel formula bridge extension joint |
| CN208981133U (en) * | 2018-10-15 | 2019-06-14 | 沈阳建筑大学 | A kind of Self-resetting shock insulation seam energy consumption cover board |
-
2020
- 2020-10-29 CN CN202011183988.1A patent/CN112127272B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202577182U (en) * | 2012-06-05 | 2012-12-05 | 中国人民解放军理工大学工程兵工程学院 | Vehicle deceleration device |
| KR101617712B1 (en) * | 2015-09-25 | 2016-05-03 | 백양엔지니어링 주식회사 | Bridge displacement gauge using tension string |
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| Publication number | Publication date |
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| CN112127272A (en) | 2020-12-25 |
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