CN219670955U - Shear hinge of floating slab ballast bed - Google Patents
Shear hinge of floating slab ballast bed Download PDFInfo
- Publication number
- CN219670955U CN219670955U CN202320924859.6U CN202320924859U CN219670955U CN 219670955 U CN219670955 U CN 219670955U CN 202320924859 U CN202320924859 U CN 202320924859U CN 219670955 U CN219670955 U CN 219670955U
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- China
- Prior art keywords
- precast slab
- shear hinge
- slab
- connecting sleeve
- strength bolt
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- 238000007667 floating Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a shear hinge of a floating slab ballast bed, which comprises a first precast slab, a sealing groove and a shielding shell, wherein a first connecting sleeve is arranged on the front surface of the first precast slab, two groups of first high-strength bolts are arranged on the back surface of the first precast slab in a penetrating manner, one end of each first high-strength bolt is positioned in the first connecting sleeve, a second precast slab is arranged on the top of the first precast slab, a second connecting sleeve is arranged at the bottom of the second precast slab, two groups of second high-strength bolts are arranged on the top of the second precast slab in a penetrating manner, and the bottom ends of the second high-strength bolts are positioned in the second connecting sleeve. According to the utility model, the first precast slab and the second precast slab are transversely and vertically fixed through the first high-strength bolt and the second high-strength bolt, on one hand, friction force generated by the screwed high-strength bolt is utilized, and on the other hand, the shearing force born by the shearing hinge slab and the high-strength bolt is utilized to ensure that two adjacent slabs move simultaneously, so that the stress of the two adjacent slabs is more balanced.
Description
Technical Field
The utility model relates to the technical field of shear hinges, in particular to a shear hinge of a floating slab track bed.
Background
The prefabricated plate floating slab is used in subway track field in large quantity at present, and has the advantages of fast construction, flow, convenient later maintenance and replacement, etc., but because the prefabricated floating slab is convenient for installation and operation, the space is limited, the general length is 3.6m and 4.8m, the mass of a single plate is smaller, the integrity is poor, the vertical displacement of the track is overlarge, the travelling comfort and the safety are affected, therefore, the integrity of the prefabricated plate is improved by installing a shear hinge, the problems of overlarge vertical displacement of the track are reduced, the effect of the shear hinge is the mutually connected construction part of two adjacent cantilevers, and the prefabricated plate is characterized by only bearing the transmission shear force and not bearing the transmission bending moment, wherein the materials in the shear hinge are mainly steel materials.
The existing shear hinge of the floating slab ballast bed has the following defects:
the utility model discloses an upper-mounted shear hinge structure for floating slabs, which comprises shear hinge assemblies arranged at the upper ends of two adjacent floating slabs, wherein each shear hinge assembly comprises a shear hinge, a shear hinge fixing support a, a shear hinge fixing support b, a shear hinge shaft sleeve, a leveling base plate and ground feet, three supports with shaft holes are arranged on each of the shear hinge fixing support a and the shear hinge fixing support b, the lower ends of the shear hinge fixing support a and the shear hinge fixing support b are provided with the leveling base plates, the lower ends of the leveling base plates are provided with the floating slabs, and a plurality of ground feet are embedded in the floating slabs. The shear hinge structure in the patent document cannot be fixedly installed in a transverse direction and a vertical direction at the same time when the shear hinge structure is used, so that the stress of the shear hinge is unbalanced.
Disclosure of Invention
The utility model aims to provide a shear hinge of a floating slab track bed, which solves the technical problem that the shear hinge structure proposed in the prior art cannot be fixedly installed in a transverse direction and a vertical direction at the same time when in use, so that the stress of the shear hinge is unbalanced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the shear hinge of the floating slab ballast bed comprises a first precast slab, a sealing groove and a shielding shell, wherein a first connecting sleeve is arranged on the front surface of the first precast slab, two groups of first high-strength bolts are arranged on the back surface of the first precast slab in a penetrating manner, and one end of each first high-strength bolt is positioned in the first connecting sleeve;
the second prefabricated plate is installed at the top of first prefabricated plate, the bottom of second prefabricated plate is provided with the second adapter sleeve, the top of second prefabricated plate runs through and is provided with two sets of second high strength bolts, and the bottom of second high strength bolt is located the inside of second adapter sleeve.
Preferably, one end of the first connecting sleeve is provided with a first embedded anchor.
Preferably, one end of the second connecting sleeve is provided with a second embedded anchor, and a slotted hole is formed in the top of the second precast slab.
Preferably, a sealing groove is formed in the top of the second prefabricated plate, the sealing groove is located on the outer side of the second high-strength bolt, and a sealing gasket is arranged in the sealing groove.
Preferably, the top of second prefabricated plate is installed through the seal groove and is sheltered from the shell, and the bottom that shelters from the shell is provided with sealed connecting plate, and sealed connecting plate and seal groove gomphosis mutually, and the inclined plate is installed at the top that shelters from the shell.
Preferably, a mounting rod is mounted at the top of the inclined plate, and a pulling handle is mounted at the top end of the mounting rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, two groups of high-strength bolts are arranged on the first precast slab and the second precast slab, and the first precast slab and the second precast slab are transversely and vertically fixed through the first high-strength bolts and the second high-strength bolts, so that on one hand, friction force generated by the screwed high-strength bolts is utilized, and on the other hand, the shearing force born by the shearing hinge slab and the high-strength bolts is utilized to ensure that two adjacent slabs move simultaneously, so that the stress of the two adjacent slabs is more balanced.
2. According to the utility model, the sealing groove is formed in the top of the second precast slab, the shielding shell can be installed on the top of the second precast slab through the sealing groove, and after the shear hinge is installed, the bottom of the shielding shell is inserted into the sealing groove through the sealing connecting plate, so that the shielding shell shields an exposed bolt outside, the protection effect is achieved, corrosion of rainwater on the bolt is prevented, the bolt is rusted, and the service life of the high-strength bolt is influenced.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a side view of the present utility model;
FIG. 4 is a schematic view of the structure of a slotted hole of the present utility model;
fig. 5 is a schematic view of a shielding shell structure of the present utility model.
In the figure: 1. a first prefabricated panel; 101. a first connection sleeve; 102. a first high strength bolt; 103. the first embedded foundation; 2. a second prefabricated panel; 201. a second connecting sleeve; 202. a second high-strength bolt; 203. the second embedded foundation; 204. a slotted hole; 3. sealing grooves; 301. a sealing gasket; 4. a shielding case; 401. sealing the connecting plate; 402. an inclined plate; 5. a mounting rod; 501. pulling the handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, an embodiment of the present utility model is provided: shear hinges of a floating slab track bed;
the shear hinge comprises a first precast slab 1 and a second precast slab 2, wherein a first connecting sleeve 101 is arranged on the front surface of the first precast slab 1, two groups of first high-strength bolts 102 are arranged on the back surface of the first precast slab 1 in a penetrating manner, one end of each first high-strength bolt 102 is located in the first connecting sleeve 101, a first embedded anchor 103 is arranged at one end of each first connecting sleeve 101, the second precast slab 2 is arranged at the top of the first precast slab 1, a second connecting sleeve 201 is arranged at the bottom of the second precast slab 2, two groups of second high-strength bolts 202 are arranged on the top of the second precast slab 2 in a penetrating manner, the bottom end of each second high-strength bolt 202 is located in the second connecting sleeve 201, a second embedded anchor 203 is arranged at one end of each second connecting sleeve 201, a long round hole 204 is formed in the top of each second precast slab 2, the shear hinge comprises a precast slab, high-strength bolts and embedded anchors, the shear hinge is connected with a subway track through the first high-strength bolts 1 and the second precast slab 2 when the shear hinge is used, and then the first high-strength bolts 102 and the second high-strength bolts 202 are fixedly arranged at the first round holes 204 and the second round holes 204 through the first high-strength bolts and the second high-strength bolts 202, and the second high-strength bolts 2 are also have a small installation error, and the long-strength bolts 204 can be suitable for being arranged at the first round holes and the second round holes 204.
Referring to fig. 1 and 5, an embodiment of the present utility model is provided: shear hinges of a floating slab track bed;
including seal groove 3, shelter from shell 4 and installation pole 5, seal groove 3 has been seted up at the top of second prefabricated plate 2, and seal groove 3 is located the outside of second high strength bolt 202, the inside of seal groove 3 is provided with sealed pad 301, shelter from shell 4 is installed through seal groove 3 at the top of second prefabricated plate 2, the bottom of shelter from shell 4 is provided with sealed connecting plate 401, and sealed connecting plate 401 and seal groove 3 gomphosis mutually, inclined plate 402 is installed at the top of shelter from shell 4, installation pole 5 is installed at the top of inclined plate 402, pulling handle 501 is installed on the top of installation pole 5, after this shear hinge installation is accomplished, will shelter from shell 4 and insert in seal groove 3 through the sealed connecting plate 401 of bottom installation, thereby naked high strength bolt shelters from, prevent that high strength bolt from receiving the erosion of rainwater and rust, under the effect of sealed pad 301, make shelter from shell 4 sealing effect when the installation better, the effect at inclined plate 402, make the rainwater drip down on this shelter from shell 4 also can fall down rapidly, reduce the emergence of ponding, when need taking off shelter from shell 4, upwards pulling through pulling handle 501, make shelter from shell 4 by the pull.
Working principle: before the shear hinge of the floating slab ballast bed is used, whether the shear hinge of the floating slab ballast bed has the problem of influencing use or not is checked, the shear hinge is firstly installed to a position needing to be used through the first high-strength bolt 102 and the second high-strength bolt 202, the two adjacent plates can be guaranteed to move simultaneously through the installation mode, the stress of the two adjacent plates is more balanced, and after the installation is completed, the shielding shell 4 is fixed at the top of the second precast slab 2, so that the effect of protecting the high-strength bolts is achieved, and the influence of the external environment on the high-strength bolts is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a shear hinge of floating slab railway roadbed, includes first prefabricated plate (1), seal groove (3) and shelters from shell (4), its characterized in that: the front surface of the first precast slab (1) is provided with a first connecting sleeve (101), two groups of first high-strength bolts (102) are arranged on the back surface of the first precast slab (1) in a penetrating mode, and one end of each first high-strength bolt (102) is located in the first connecting sleeve (101);
the top of first prefabricated plate (1) is installed second prefabricated plate (2), the bottom of second prefabricated plate (2) is provided with second adapter sleeve (201), the top of second prefabricated plate (2) is run through and is provided with two sets of second high strength bolts (202), and the bottom of second high strength bolt (202) is located the inside of second adapter sleeve (201).
2. A shear hinge for a floating slab ballast bed as claimed in claim 1, wherein: one end of the first connecting sleeve (101) is provided with a first embedded anchor (103).
3. A shear hinge for a floating slab ballast bed as claimed in claim 1, wherein: one end of the second connecting sleeve (201) is provided with a second embedded anchor (203), and a slotted hole (204) is formed in the top of the second precast slab (2).
4. A shear hinge for a floating slab ballast bed as claimed in claim 1, wherein: a sealing groove (3) is formed in the top of the second precast slab (2), the sealing groove (3) is located on the outer side of the second high-strength bolt (202), and a sealing gasket (301) is arranged in the sealing groove (3).
5. A shear hinge for a floating slab ballast bed as set forth in claim 4, wherein: the top of second prefabricated plate (2) is installed through seal groove (3) and is sheltered from shell (4), and the bottom that shelters from shell (4) is provided with sealed connecting plate (401), and sealed connecting plate (401) gomphosis mutually with seal groove (3), and inclined plate (402) are installed at the top that shelters from shell (4).
6. A shear hinge for a floating slab ballast bed as set forth in claim 5, wherein: the top of the inclined plate (402) is provided with a mounting rod (5), and the top end of the mounting rod (5) is provided with a pulling handle (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924859.6U CN219670955U (en) | 2023-04-23 | 2023-04-23 | Shear hinge of floating slab ballast bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924859.6U CN219670955U (en) | 2023-04-23 | 2023-04-23 | Shear hinge of floating slab ballast bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219670955U true CN219670955U (en) | 2023-09-12 |
Family
ID=87923779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924859.6U Active CN219670955U (en) | 2023-04-23 | 2023-04-23 | Shear hinge of floating slab ballast bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219670955U (en) |
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2023
- 2023-04-23 CN CN202320924859.6U patent/CN219670955U/en active Active
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