CN109778595A - A kind of shear hinge for floating plate - Google Patents
A kind of shear hinge for floating plate Download PDFInfo
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- CN109778595A CN109778595A CN201711122982.1A CN201711122982A CN109778595A CN 109778595 A CN109778595 A CN 109778595A CN 201711122982 A CN201711122982 A CN 201711122982A CN 109778595 A CN109778595 A CN 109778595A
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- floating plate
- shear hinge
- shearing resistance
- construction
- resistance unit
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 238000010276 construction Methods 0.000 claims abstract description 51
- 238000010008 shearing Methods 0.000 claims abstract description 47
- 210000003205 muscle Anatomy 0.000 claims description 42
- 230000002787 reinforcement Effects 0.000 claims description 26
- 239000000314 lubricant Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The present invention relates to rail traffic vibration isolation technique fields, disclose a kind of shear hinge for floating plate, it includes the shearing resistance unit connecting with the first floating plate and the position-limiting unit being embedded in the second floating plate, the shearing resistance unit is using closure or non-closed annular steel construction, the position-limiting unit uses the tubular construction matched with the shearing resistance unit, so that the annular steel construction is plugged in the tubular construction, concreting mouth is additionally provided on the annular steel construction between first floating plate and second floating plate.There is better shear behavior and anti-bending strength compared to traditional shear hinge provided by the present invention for the shear hinge of floating plate, and reduce forces acted on rail and plate end fastener stress, so as to avoid using encryption vibration isolator the problem of increasing plate end rigidity, to greatly reduce cost.
Description
Technical field
The present invention relates to rail traffic vibration isolation technique field more particularly to a kind of shear hinges for floating plate.
Background technique
In urban track traffic, in order to which the vibration interference surrounding enviroment generated when subway train operation are effectively reduced, often
The purpose of vibration and noise reducing is realized using steel spring floating slab road bed vibrating isolation system.Since floating plate is elastic support structure, steel
Rail deflection is much larger than common railway roadbed, is especially located at two floating plate junctions, and there are the plate stitch of 30mm, and rail is in most herein
Unfavorable stress, plate end support stiffness is low, needs to coordinate the deformation between two floating plates of front and back with shear hinge.However it is traditional
Shear hinge be solid bar (as shown in Figure 1), in the middle part of the floating plate or float on floating plate surface, bar sectional area is small, need
It is arranged 4 groups, but still cannot resist torque and shearing well.In actual use, at plate stitch rail still have stress compared with
Greatly, larger situation is deformed, plate end fastener is also subjected to very big stress, is easily damaged, and influences its service life.Floating plate plate end
In order to improve rail and fastener stress condition, need to increase plate end rigidity, thus increasing using the method for densifying plate end vibration isolator
Manufacturing cost is added.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of shear hinges for floating plate, it is intended at least the solution prior art or related skill
One of technical problem present in art.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of shear hinges for floating plate comprising with first
The shearing resistance unit of floating plate connection and the position-limiting unit being embedded in the second floating plate, the shearing resistance unit use closure or non-
The annular steel construction of closure, the position-limiting unit uses the tubular construction matched with the shearing resistance unit, so that the ring
Shape steel construction is plugged in the tubular construction, the ring steel between first floating plate and second floating plate
Concreting mouth is additionally provided in structure.
It wherein, further include being connect with the first longitudinal direction reinforced steel bar ring of the annular steel structure connection and with the tubular construction
Second longitudinal direction reinforced steel bar ring, the longitudinal reinforcement of first floating plate are plugged in the first longitudinal direction reinforced steel bar ring, and described second is floating
The longitudinal reinforcement for setting plate is plugged in the second longitudinal direction reinforced steel bar ring.
Wherein, the annular steel construction is U-shaped.
Wherein, the bottom of the annular steel construction of the U-shaped is additionally provided with stiffening plate, and the stiffening plate is located at the bottom
Center, and it is parallel with the side wall of the U-shaped steel.
Wherein, the annular steel construction is annular.
Wherein, the first longitudinal direction reinforced steel bar ring and the second longitudinal direction reinforced steel bar ring are elongated hole, first floating plate
At least two longitudinal reinforcements be plugged in the same first longitudinal direction reinforced steel bar ring, at least two of second floating plate are vertical
It is plugged in the same second longitudinal direction reinforced steel bar ring to reinforcing bar.
Wherein, the quantity of the described first vertical muscle fixed ring is multiple, and multiple first vertical muscle fixed rings are along the shearing resistance
The length direction of unit is spaced apart；The quantity of the second vertical muscle fixed ring is multiple, multiple second vertical muscle fixed rings
Length direction along the position-limiting unit is spaced apart.
Wherein, the one end of the tubular construction far from the shearing resistance unit is closed, in the inside of the tubular construction
One end far from the shearing resistance unit is provided with elastic packed layer.
Wherein, gas vent is additionally provided on the barrel of the tubular construction.
Wherein, lubricant layer is coated on the inner wall of the position-limiting unit.
(3) beneficial effect
Shear hinge provided by the present invention for floating plate includes the shearing resistance unit connecting with the first floating plate and pre-buried
Position-limiting unit in the second floating plate, for the shearing resistance unit using closure or non-closed annular steel construction, the limit is single
Member is using the tubular construction matched with the shearing resistance unit, so that the annular steel construction is plugged on the tubular construction
It is interior, concreting is additionally provided on the annular steel construction between first floating plate and second floating plate
Mouthful, by concreting mouth to the inside casting concrete of annular steel construction, combined using concrete and annular steel construction
Steel pipe girder construction is formed, so that its sectional area is much larger than traditional shear hinge, to substantially increase shear resistance, and is had
Good anti-bending strength.Further, since shear hinge is set to immediately below rail, thus reduce forces acted on rail and plate end fastener by
Power, so as to avoid using encryption vibration isolator the problem of increasing plate end rigidity, to greatly reduce cost, and extend rail
And the service life of fastener.The fatigue life of shear hinge itself also greatly enhances.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to a kind of shear hinge for floating plate of the prior art；
Fig. 2 is a kind of structural schematic diagram of a preferred embodiment of the shear hinge for floating plate according to the present invention；
Fig. 3 is one of Fig. 2 for the shearing resistance unit of the shear hinge of floating plate and the structural schematic diagram of the first floating plate；
Fig. 4 is one of Fig. 2 for the position-limiting unit of the shear hinge of floating plate and the structural schematic diagram of the second floating plate；
Fig. 5 is the cross-sectional view of a preferred embodiment of the shearing resistance unit in Fig. 3；
Fig. 6 is the cross-sectional view of a preferred embodiment of the position-limiting unit in Fig. 4；
Fig. 7 is the cross-sectional view of another preferred embodiment of shearing resistance unit；
Fig. 8 is the cross-sectional view of another preferred embodiment of shearing resistance unit；
Fig. 9 is the cross-sectional view of another preferred embodiment of position-limiting unit.
In figure, 1: the first floating plate；2: the second floating plates；3: shear hinge；31: shearing resistance unit；32: position-limiting unit；33: the
One vertical muscle fixed ring；34: the second vertical muscle fixed rings；35: concreting mouth；36: stiffening plate；4: longitudinal reinforcement；5: elasticity is filled out
Fill layer；6: gas vent；7: concrete.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
Fig. 2 to Fig. 6 shows an a kind of preferred embodiments of shear hinge 3 for floating plate according to the present invention.Such as
Shown in figure, which includes the shearing resistance unit 31 connecting with the first floating plate 1 and the limit that is embedded in the second floating plate 2
Bit location 32, shearing resistance unit 31 use cross section for U-shaped steel construction.The use of position-limiting unit 32 is matched with shearing resistance unit 31
Tubular construction, so that shearing resistance unit 31 can be plugged in tubular construction.
In use, the shearing resistance unit 31 connecting with the first floating plate 1 is plugged on the limit list in the second floating plate 2
In member 32, wherein there are the plate stitch of about 30mm between the first floating plate 1 and the second floating plate 2, be located at the by shearing resistance unit 31
The opening of the U-shaped steel structure of part between one floating plate 1 and the second floating plate 2 pours coagulation to the inside of U-shaped steel structure
Soil 7, the advantage combined using concrete seven and U-shaped steel structure form square steel tube girder construction.Due to the U-shaped steel of shearing resistance unit 31
Structure is combined with concrete seven, so that its sectional area is much larger than traditional shear hinge 3, thus substantially increases shear resistance,
The shear resistance of single shear hinge 3 provided by the present invention is greater than 4 groups of traditional shear hinges 3, therefore each plate stitch only needs setting 2
Group shear hinge 3 can meet shearing resistance demand.And the U-shaped steel structure of the shear hinge 3 is combined with concrete seven, so that cross section is used
Property square it is larger, thus have good anti-bending strength.Further, since shear hinge 3 is set to immediately below rail, thus reduce rail
Stress and plate end fastener stress, so as to avoid using encryption vibration isolator the problem of increasing plate end rigidity, to greatly reduce into
This.
It is preferred that the shear hinge 3 further includes the first vertical muscle fixed ring 33 connecting with shearing resistance unit 31, wherein the first floating plate 1
Longitudinal reinforcement 4 be plugged in the first vertical muscle fixed ring 33, in order to which shearing resistance unit 31 is fixed on floating plate longitudinal reinforcement 4
On, step of ligation is eliminated, and greatly enhance with the concrete binding force of the first floating plate 1.Similarly, the preferred shear hinge 3
It further include the second vertical muscle fixed ring 34 being connect with position-limiting unit 32, the longitudinal reinforcement 4 of the second floating plate 2 is plugged on the second vertical muscle
In fixed ring 34, in order to which position-limiting unit 32 to be fixed on floating plate longitudinal reinforcement 4, step of ligation is eliminated, and with second
The concrete binding force of floating plate 2 greatly enhances.It, can be when pouring the first floating plate 1 and the second floating plate 2 when manufacture, it will
The longitudinal reinforcement 4 of first floating plate 1 is plugged in the first vertical muscle fixed ring 33, and the longitudinal reinforcement 4 of the second floating plate 2 is plugged on
In second vertical muscle fixed ring 34, when pouring the first floating plate 1 and the second floating plate 2 while the coagulation in U-shaped steel structure is poured
Soil 7, so that the first floating plate 1 and the second floating plate 2 are combined closely with shear hinge 3, are formed an entirety, are further increased
Shear resistance.
It should be noted that, although the cross section of the shearing resistance unit 31 shown in this embodiment is U-shaped, however, it is necessary to
Illustrate, in some other embodiment of the invention, the cross section of the shearing resistance unit 31 may be other closures or
The non-closed annular steel construction of person.Herein, closure or non-closed annular steel construction include annulus, vesica piscis, rectangle
Ring, hexagonal rings etc., and annulus (as shown in figure 8, position-limiting unit engaged therewith 32 is as shown in Figure 9), vesica piscis, rectangle
What ring, hexagonal rings etc. can be closure is also possible to non-closed (having opening), when annular steel construction is closure,
Part of the shearing resistance unit 31 between the first floating plate 1 and the second floating plate 2 is provided with concreting mouth 35, will pass through
The concreting mouth 35 is to ring steel inside configuration casting concrete 7.When annular steel construction is non-closure, then by ring
The opening of shape steel construction is used as concreting mouth 35, to be poured by the concreting mouth 35 to ring steel inside configuration
Concrete seven.
Further, when the cross section of annular steel construction is U-shaped, preferably the centre in the bottom of annular steel construction is set
It is equipped with the stiffening plate 36 (as shown in Figure 7) being parallel to each other with the side wall of U-shaped structure, to further increase the anti-of the shear hinge 3
It cuts and anti-bending strength.And steel reinforcement cage preferably is additionally provided in the inside of annular steel construction.
In addition, the first vertical muscle fixed ring 33 and the second vertical muscle fixed ring 34 are elongated hole, at least the two of the first floating plate 1
Root longitudinal reinforcement 4 is plugged in the same first vertical muscle fixed ring 33, at least two 4 grafting of longitudinal reinforcement of the second floating plate 2
In the same second vertical muscle fixed ring 34.Shear hinge 3 provided by the present invention is by setting the first vertical muscle fixed ring 33 to
Elongated hole, so that at least two longitudinal reinforcements 4 of the first floating plate 1 are plugged in the same first vertical muscle fixed ring 33, from
And make vertical there are still being able to be plugged on same first when error when the spacing between the longitudinal reinforcement 4 on the first floating plate 1
In muscle fixed ring 33, and improve work efficiency.Similarly, elongated hole is set by the second vertical muscle fixed ring 34, so that the
At least two longitudinal reinforcements 4 of two floating plates 2 are plugged in the same second vertical muscle fixed ring 34, so that it is floating to work as second
The spacing between longitudinal reinforcement 4 on plate 2 is mentioned there are still being able to be plugged in the same second vertical muscle fixed ring 34 when error
High working efficiency.
In this embodiment, the quantity of the first vertical muscle fixed ring 33 is two, and two the first vertical muscle fixed rings 33 are along shearing resistance
The length direction of unit 31 is spaced apart, and is fixed so that the longitudinal reinforcement 4 of the first floating plate 1 sequentially passes through two the first vertical muscle
Ring 33, to improve the connection reliability of the first floating plate 1 and shearing resistance unit 31.It should be noted that, although in the embodiment
In show two the first vertical muscle fixed rings 33, however it will be understood by those of skill in the art that it is of the invention it is other once
In embodiment, the quantity of the first vertical muscle fixed ring 33 is also possible to two or more, such as three, and four etc., the first floating plate 1
Longitudinal reinforcement 4 sequentially passes through the multiple first vertical muscle fixed rings 33.
Similarly, in this embodiment, the quantity of the second vertical muscle fixed ring 34 is two, two the second vertical muscle fixed rings 34
Length direction along position-limiting unit 32 is spaced apart, and is indulged so that the longitudinal reinforcement 4 of the second floating plate 2 sequentially passes through two second
Muscle fixed ring 34, to improve the connection reliability of the second floating plate 2 and position-limiting unit 32.It should be noted that, although at this
Show two the second vertical muscle fixed rings 34 in embodiment, however it will be understood by those of skill in the art that in of the invention its
It is once in embodiment, and the quantity of the second vertical muscle fixed ring 34 is also possible to two or more, such as three, and four etc., second is floating
The longitudinal reinforcement 4 for setting plate 2 sequentially passes through the multiple second vertical muscle fixed rings 34.
In addition, can also be arranged on shearing resistance unit 31 multiple along shearing resistance list in some other embodiment of the invention
First vertical muscle fixed ring 33 of the width direction arrangement of member 31, and more longitudinal reinforcements 4 of the first floating plate 1 are corresponded and are inserted
It connects in the first vertical muscle fixed ring 33 that one or a column arrange along its length.It similarly, can also be on position-limiting unit 32
The second vertical muscle fixed ring 34 that multiple width directions along position-limiting unit 32 arrange, and more longitudinal directions of the second floating plate 2 are set
Reinforcing bar 4, which corresponds, to be plugged in one or the second vertical muscle fixed ring 34 that arranges along its length of column.
Further, the one end of tubular construction far from shearing resistance unit 31 is closed, and separate in the inside of tubular construction
One end of shearing resistance unit 31 is provided with elastic packed layer 5, which can be used the high molecular materials systems such as rubber polyurethane
At so that it, so as to provide extendable room, will not influence floating plate and deformed and stretched due to caused by temperature with elasticity
Contracting.
Further, gas vent 6 is additionally provided on the barrel of tubular construction, for coagulation in floating plate and shear hinge 3
For being vented, draining when soil 7 pours, 32 cohesion collection gas of position-limiting unit is prevented, concrete seven is influenced and pours, guarantee that concrete seven pours
It builds closely knit, prevents from forming cavity.
In addition, being coated with lubricant layer on the inner wall of position-limiting unit 32, for concrete seven to be isolated, concrete seven and limit are prevented
The inner wall adhesion of bit location 32, guarantee shearing resistance unit 31 can the longitudinal sliding motion in position-limiting unit 32, to will not influence floating
Plate is deformed and is stretched due to caused by temperature.
Further, when shear hinge 3 after the installation is completed, since shearing resistance unit 31 is in the first floating plate 1 and the second floating plate 2
Between plate stitch at be exposed in air, therefore preferably in shearing resistance unit 31 between the first floating plate 1 and the second floating plate 2
Part outside apply anti-corrosion material (such as hot galvanizing etc.) and prolonged its service life with preventing shearing resistance unit 31 from getting rusty.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of shear hinge for floating plate, which is characterized in that including the shearing resistance unit that is connect with the first floating plate and pre-
The position-limiting unit being embedded in the second floating plate, the shearing resistance unit is using closure or non-closed annular steel construction, the limit
Unit uses the tubular construction matched with the shearing resistance unit, so that the annular steel construction is plugged on the tubular construction
It is interior, concreting is additionally provided on the annular steel construction between first floating plate and second floating plate
Mouthful.
2. shear hinge as described in claim 1, which is characterized in that further include the first longitudinal direction with the annular steel structure connection
Reinforced steel bar ring and the second longitudinal direction reinforced steel bar ring connecting with the tubular construction, the longitudinal reinforcement of first floating plate are plugged on described
In first longitudinal direction reinforced steel bar ring, the longitudinal reinforcement of second floating plate is plugged in the second longitudinal direction reinforced steel bar ring.
3. shear hinge as claimed in claim 2, which is characterized in that the annular steel construction is U-shaped.
4. shear hinge as claimed in claim 3, which is characterized in that the bottom of the annular steel construction of the U-shaped, which is additionally provided with, to be added
Strong plate, the stiffening plate are located at the center of the bottom, and parallel with the side wall of the U-shaped steel.
5. shear hinge as claimed in claim 2, which is characterized in that the annular steel construction is annular.
6. shear hinge as claimed in claim 2, which is characterized in that the first longitudinal direction reinforced steel bar ring and the second longitudinal direction reinforcing bar
Ring is elongated hole, and at least two longitudinal reinforcements of first floating plate are plugged on the same first longitudinal direction reinforced steel bar ring
Interior, at least two longitudinal reinforcements of second floating plate are plugged in the same second longitudinal direction reinforced steel bar ring.
7. shear hinge as claimed in claim 6, which is characterized in that the quantity of the first vertical muscle fixed ring be it is multiple, it is multiple
The first vertical muscle fixed ring is spaced apart along the length direction of the shearing resistance unit；The quantity of the second vertical muscle fixed ring is
Multiple, multiple second vertical muscle fixed rings are spaced apart along the length direction of the position-limiting unit.
8. such as shear hinge of any of claims 1-7, which is characterized in that the tubular construction is far from the shearing resistance list
Member one end be it is closed, one end of the shearing resistance unit is provided with elastic packed layer in the inside of the tubular construction.
9. such as shear hinge of any of claims 1-7, which is characterized in that also set up on the barrel of the tubular construction
There is gas vent.
10. such as shear hinge of any of claims 1-7, which is characterized in that coated on the inner wall of the position-limiting unit
There is lubricant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122982.1A CN109778595B (en) | 2017-11-14 | 2017-11-14 | Shear hinge for floating slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122982.1A CN109778595B (en) | 2017-11-14 | 2017-11-14 | Shear hinge for floating slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109778595A true CN109778595A (en) | 2019-05-21 |
| CN109778595B CN109778595B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122982.1A Active CN109778595B (en) | 2017-11-14 | 2017-11-14 | Shear hinge for floating slab |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670425A (en) * | 2019-09-25 | 2020-01-10 | 北京九州一轨隔振技术有限公司 | Plate end connecting device and rail structure |
| CN112012379A (en) * | 2020-08-14 | 2020-12-01 | 厦门特房建设工程集团有限公司 | Aluminum pipe connecting structure, special-shaped aluminum pipe curtain wall and construction method of special-shaped aluminum pipe curtain wall |
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| CN110670425A (en) * | 2019-09-25 | 2020-01-10 | 北京九州一轨隔振技术有限公司 | Plate end connecting device and rail structure |
| CN112012379A (en) * | 2020-08-14 | 2020-12-01 | 厦门特房建设工程集团有限公司 | Aluminum pipe connecting structure, special-shaped aluminum pipe curtain wall and construction method of special-shaped aluminum pipe curtain wall |
| CN112012379B (en) * | 2020-08-14 | 2022-05-03 | 厦门特房建设工程集团有限公司 | Aluminum pipe connecting structure, special-shaped aluminum pipe curtain wall and construction method of special-shaped aluminum pipe curtain wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109778595B (en) | 2023-12-15 |
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