CN207878189U - A kind of shear hinge for floating plate - Google Patents
A kind of shear hinge for floating plate Download PDFInfo
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- CN207878189U CN207878189U CN201721521558.XU CN201721521558U CN207878189U CN 207878189 U CN207878189 U CN 207878189U CN 201721521558 U CN201721521558 U CN 201721521558U CN 207878189 U CN207878189 U CN 207878189U
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- floating plate
- shear hinge
- longitudinal direction
- shearing resistance
- construction
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Abstract
The utility model is related to rail traffic vibration isolation technique fields, disclose a kind of shear hinge for floating plate, it includes the shearing resistance unit being connect 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 and the matched tubular construction of 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.Shear hinge provided by the utility model for floating plate has better shear behavior and anti-bending strength compared to traditional shear hinge, and reduce forces acted on rail and plate end fastener stress, the problem of increasing plate end rigidity, cost is greatly reduced so as to avoid encryption vibration isolator is used.
Description
Technical field
The utility model is related to rail traffic vibration isolation technique field more particularly to a kind of shear hinges for floating plate.
Background technology
In urban track traffic, in order to effectively reduce the vibration interference surrounding enviroment generated when subway train operation, 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 front and back two floating plates 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 prodigious stress, is easily damaged, and influences its service life.Floating plate plate end
In order to improve rail and fastener stressing conditions, the method using densifying plate end vibration isolator is needed to increase plate end rigidity, thus increasing
Manufacturing cost is added.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of shear hinge for floating plate, it is intended at least solve the prior art or phase
One of technical problem present in the technology of pass.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of shear hinge for floating plate comprising with
The shearing resistance unit of first floating plate connection 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 use with the matched tubular construction of shearing resistance unit so that institute
It states annular steel construction to be plugged in the tubular construction, the ring between first floating plate and second floating plate
Concreting mouth is additionally provided on shape steel construction.
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
The longitudinal reinforcement of second longitudinal direction reinforced steel bar ring, first floating plate is 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 reinforcing plate, and the reinforcing 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, it is additionally provided with gas vent on the barrel of the tubular construction.
Wherein, lubricant layer is coated on the inner wall of the position-limiting unit.
(3) advantageous effect
Shear hinge provided by the utility model for floating plate include the shearing resistance unit being connect 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 limit
Bit location use with the matched tubular construction of shearing resistance unit so that it is described annular steel construction be plugged on the tubular knot
In structure, 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, it is 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 the problem of increasing plate end rigidity, greatly reduces cost, and extend rail so as to avoid encryption vibration isolator is used
And the service life of fastener.The fatigue life of shear hinge itself also greatly enhances.
Description of the drawings
Fig. 1 is the structural schematic diagram according to a kind of shear hinge for floating plate of the prior art；
Fig. 2 is the structural representation according to an a kind of preferred embodiment of shear hinge for floating plate of the utility model
Figure；
Fig. 3 is the structural schematic diagram of the shearing resistance unit and the first floating plate of a kind of shear hinge for floating plate in Fig. 2；
Fig. 4 is the structural schematic diagram of the position-limiting unit and the second floating plate of a kind of shear hinge for floating plate in Fig. 2；
Fig. 5 is the sectional view of a preferred embodiment of the shearing resistance unit in Fig. 3；
Fig. 6 is the sectional view of a preferred embodiment of the position-limiting unit in Fig. 4；
Fig. 7 is the sectional view of another preferred embodiment of shearing resistance unit；
Fig. 8 is the sectional view of another preferred embodiment of shearing resistance unit；
Fig. 9 is the sectional view of another preferred embodiment of position-limiting unit.
In figure, 1：First floating plate；2：Second floating plate；3：Shear hinge；31：Shearing resistance unit；32：Position-limiting unit；33：The
One vertical muscle fixed ring；34：Second vertical muscle fixed ring；35：Concreting mouth；36：Reinforcing plate；4：Longitudinal reinforcement；5：Elasticity is filled out
Fill layer；6：Gas vent；7：Concrete.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
Fig. 2 to Fig. 6, which shows that one of a kind of shear hinge 3 for floating plate according to the present utility model is preferential, to be implemented
Example.As shown, the shear hinge 3 includes the shearing resistance unit 31 being connect with the first floating plate 1 and is embedded in the second floating plate 2
Position-limiting unit 32, shearing resistance unit 31 uses cross section for U-shaped steel construction.Position-limiting unit 32 matches using with shearing resistance unit 31
The tubular construction of conjunction, so that shearing resistance unit 31 can be plugged in tubular construction.
In use, the shearing resistance unit 31 being connect 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 being 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 utility model is more than 4 groups of traditional shear hinges 3, therefore each plate stitch only needs
2 groups of shear hinges 3, which are arranged, can meet shearing resistance demand.And the U-shaped steel structure of the shear hinge 3 is combined with concrete seven so that transversal
Face the moment of inertia is larger, thus has good anti-bending strength.Further, since shear hinge 3 is set to immediately below rail, thus reduce
Forces acted on rail and plate end fastener stress the problem of increasing plate end rigidity, substantially reduce so as to avoid encryption vibration isolator is used
Cost.
It is preferred that the shear hinge 3 further includes the first vertical muscle fixed ring 33 being connect 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
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 utility model, the cross section of the shearing resistance unit 31 may be that others are closed
Conjunction or non-closed annular steel construction.Herein, be closed or non-closed annular steel construction include annulus, vesica piscis,
Straight-flanked ring, hexagonal rings etc., and annulus (as shown in figure 8, the position-limiting unit 32 coordinated with it is as shown in Figure 9), vesica piscis, square
Shape ring, hexagonal rings etc. can be that be closed can also be non-closed (have opening), when annular steel construction is to be closed
When, 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, so as to
By the concreting mouth 35 to casting concrete 7 inside annular steel construction.When annular steel construction is non-closed, then
The opening of annular steel construction is used as concreting mouth 35, with by the concreting mouth 35 to inside annular steel construction
Casting concrete 7.
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 reinforcing plate 36 (as shown in Figure 7) being mutually parallel 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 preferably steel reinforcement cage is additionally provided in the inside of annular steel construction.
In addition, 33 and second vertical muscle fixed ring 34 of the first vertical muscle fixed ring is 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 utility model is by setting the first vertical muscle fixed ring 33
It is set to elongated hole, so that at least two longitudinal reinforcements 4 of the first floating plate 1 are plugged on the same first vertical muscle fixed ring 33
It is interior, so that when there are still be able to be plugged on same when error for the spacing between the longitudinal reinforcement 4 on the first floating plate 1
In one vertical muscle fixed ring 33, and improve work efficiency.Similarly, the second vertical muscle fixed ring 34 is set to elongated hole, so that
At least two longitudinal reinforcements 4 for obtaining the second floating plate 2 are plugged in the same second vertical muscle fixed ring 34, so that when second
The spacing between longitudinal reinforcement 4 on floating plate 2 there are still being able to be plugged in the same second vertical muscle fixed ring 34 when error,
And it improves work 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 in the other of the utility model
Once in embodiment, the quantity of the first vertical muscle fixed ring 33 can also be two or more, such as three, and four etc., first is floating
The longitudinal reinforcement 4 of plate 1 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
Two the second vertical muscle fixed rings 34 are shown in embodiment, however it will be understood by those of skill in the art that in the utility model
Other embodiments once in, the quantity of the second vertical muscle fixed ring 34 can also be two or more, such as three, four etc.,
The longitudinal reinforcement 4 of two floating plates 2 sequentially passes through the multiple second vertical muscle fixed rings 34.
In addition, in some other embodiment of the utility model, can also be arranged on shearing resistance unit 31 multiple along anti-
Cut the first vertical muscle fixed ring 33 of the width direction arrangement of unit 31, and 4 uniform a pair of more longitudinal reinforcements of the first floating plate 1
It should be plugged in one or the first vertical muscle fixed ring 33 that arranges along its length of row.Similarly, on position-limiting unit 32
The second vertical muscle fixed ring 34 that multiple width directions along position-limiting unit 32 arrange, and more of the second floating plate 2 can be set
Longitudinal reinforcement 4, which corresponds, to be plugged in one or the second vertical muscle fixed ring 34 that arranges along its length of row.
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, does not interfere with floating plate and is deformed and stretched 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, ensure 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, ensure shearing resistance unit 31 can the longitudinal sliding motion in position-limiting unit 32, it is floating to not interfere with
Plate is deformed and is stretched caused by temperature.
Further, after shear hinge 3 installs, 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 galvanizing etc.), to prevent shearing resistance unit 31 from getting rusty, extend its service life.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of shear hinge for floating plate, which is characterized in that include the shearing resistance unit being 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 use with the matched tubular construction of shearing resistance unit so that it is described annular steel construction be plugged on the tubular construction
It is interior, it is additionally provided with concreting 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 being connect 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 U-shaped, which is additionally provided with, to be added
Strong plate, the reinforcing plate are located at the center of the bottom, and parallel with the annular side wall of steel construction of U-shaped.
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 longitudinal direction reinforced steel bar ring be it is multiple, it is multiple
The first longitudinal direction reinforced steel bar ring is spaced apart along the length direction of the shearing resistance unit；The quantity of the second longitudinal direction reinforced steel bar ring is
Multiple, multiple second longitudinal direction reinforced steel bar rings are spaced apart along the length direction of the position-limiting unit.
8. the shear hinge as described in any one of claim 1-7, which is characterized in that the tubular construction is far from the shearing resistance list
One end of member is closed, and the one end of the inside of the tubular construction far from the shearing resistance unit is provided with elastic packed layer.
9. the shear hinge as described in any one of claim 1-7, which is characterized in that also set up on the barrel of the tubular construction
There is gas vent.
10. the shear hinge as described in any one of claim 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 |
|---|---|---|---|
| CN201721521558.XU CN207878189U (en) | 2017-11-14 | 2017-11-14 | A kind of shear hinge for floating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521558.XU CN207878189U (en) | 2017-11-14 | 2017-11-14 | A kind of shear hinge for floating plate |
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| Publication Number | Publication Date |
|---|---|
| CN207878189U true CN207878189U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721521558.XU Active CN207878189U (en) | 2017-11-14 | 2017-11-14 | A kind of shear hinge for floating plate |
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| CN (1) | CN207878189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778595A (en) * | 2017-11-14 | 2019-05-21 | 北京九州一轨隔振技术有限公司 | A kind of shear hinge for floating plate |
| CN111501420A (en) * | 2020-03-23 | 2020-08-07 | 株洲时代新材料科技股份有限公司 | Method for improving fatigue resistance of shear hinge, shear hinge and floating track bed |
-
2017
- 2017-11-14 CN CN201721521558.XU patent/CN207878189U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778595A (en) * | 2017-11-14 | 2019-05-21 | 北京九州一轨隔振技术有限公司 | A kind of shear hinge for floating plate |
| CN109778595B (en) * | 2017-11-14 | 2023-12-15 | 北京九州一轨环境科技股份有限公司 | Shear hinge for floating slab |
| CN111501420A (en) * | 2020-03-23 | 2020-08-07 | 株洲时代新材料科技股份有限公司 | Method for improving fatigue resistance of shear hinge, shear hinge and floating track bed |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102402 No.32, Guangmao Road, Doudian Town, Fangshan District, Beijing Patentee after: Beijing Jiuzhou first rail Environmental Technology Co., Ltd Address before: 100070 Beijing Fengtai District Science City Star Fire Road 11 Office Park A 6 floor 6068 Patentee before: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. |
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| CP03 | Change of name, title or address |