CN213013896U - Expansion joint device for bridge construction - Google Patents
Expansion joint device for bridge construction Download PDFInfo
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- CN213013896U CN213013896U CN202021702465.9U CN202021702465U CN213013896U CN 213013896 U CN213013896 U CN 213013896U CN 202021702465 U CN202021702465 U CN 202021702465U CN 213013896 U CN213013896 U CN 213013896U
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- expansion joint
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Abstract
The utility model discloses an expansion joint device for bridge construction, including displacement case, anchor stud, a supporting beam, embedded bar, cross reinforcing bar, anchor slab, screw cap, threaded connection pole, boundary beam shaped steel, well roof beam shaped steel, link, elastic adhesive tape, stopper, pressure-bearing support, compress tightly support, corrosion resistant plate, balancing weight, fixing bolt and dowel, displacement case surface mounting has the anchor stud, the lower extreme of anchor stud is provided with the dowel, dowel and displacement case carry out welded fastening, and the side welding of displacement case has embedded bar, embedded bar is provided with a plurality of groups altogether, and every group the embedded bar equidistant is provided with a plurality of layers. The device construction simple to operate is carrying out the in-process that removes simultaneously, has avoided the too big local structure fracture that arouses of deformation through setting up elasticity adhesive tape and balancing weight, improves the wholeness ability of the pontic, and long service life effectively provides the efficiency of construction.
Description
Technical Field
The application relates to an expansion joint device, specifically is an expansion joint device for bridge construction.
Background
The expansion joint, which is a building expansion joint, is a structural joint provided at an appropriate position along a building or a construction joint direction of the building in order to prevent a structure from being cracked or damaged due to a change in temperature (thermal expansion or contraction) of the building. The expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction.
The expansion joint device that present bridge construction used has the installation difficulty, and the component breaks away from easily when the horizontal direction is flexible, influences whole construction quality, and the efficiency of construction is slow. Therefore, an expansion joint device for bridge construction is provided to solve the above problems.
Disclosure of Invention
An expansion joint device for bridge construction comprises a displacement box, a fixed structure and a movable structure, wherein the fixed structure comprises a supporting beam, a pre-buried steel bar and a transverse steel bar, and the movable structure comprises an edge beam section steel, a middle beam section steel, a connecting frame and an elastic rubber strip;
the surface of the displacement box is provided with anchoring studs, the lower ends of the anchoring studs are provided with anchor bars, the anchor bars and the displacement box are welded and fixed, the side edge of the displacement box is welded with embedded steel bars, the embedded steel bars are provided with a plurality of groups, each group of the embedded steel bars is provided with a plurality of layers at equal intervals, the middle positions of the embedded steel bars are welded with transverse steel bars, an anchor plate is arranged between the two groups of the embedded steel bars on the same side, the anchor plate and the displacement box are welded and fixed, the end part of the anchor plate is provided with a threaded hole,
the displacement box and the internal structure thereof are provided with two groups, the bottom of the displacement box is provided with a pressure bearing support, the upper part of the pressure bearing support is provided with a support beam, the surface of the support beam is welded with a limit block, one side of the limit block is provided with a balancing weight, the balancing weight is welded at the bottom of the displacement box, the upper end of the balancing weight is in a cavity structure, the end part of the support beam is in a convex structure and slides in the cavity of the balancing weight, the upper part of the support beam is provided with a pressing support, and the pressing support is pressed against the upper wall of the inner cavity of the displacement box;
the displacement box is characterized in that a connecting frame is welded to the outer portion of the upper end of the displacement box, edge beam section steel is welded to the other end of the connecting frame, middle beam section steel is arranged between the two edge beam section steel, and the middle beam section steel is installed in the middle of the supporting beam.
Furthermore, two ends of the supporting beam are fixedly connected to the side walls of the two displacement boxes through fixing bolts respectively.
Further, adjacent anchor slab is fixed through the threaded connection pole before pegging graft, the equal threaded connection in both ends tip of threaded connection pole has the screw cap.
Furthermore, a groove is formed in one inward side of the edge beam section steel, grooves are formed in two ends of the center beam section steel, and two ends of an elastic rubber strip are mounted in the grooves of the edge beam section steel and the center beam section steel respectively.
Furthermore, the upper ends of the side beam section steel and the center beam section steel are provided with anchoring concrete.
Further, the elastic rubber strip is made of rubber.
The beneficial effect of this application is: the application provides an expansion joint device for bridge construction.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;
fig. 3 is an enlarged schematic structural diagram of a portion a of fig. 2 according to an embodiment of the present application.
In the figure: 1. the displacement case, 2, anchor stud, 3, a supporting beam, 4, embedded steel bar, 5, cross reinforcing bar, 6, anchor slab, 7, screw cap, 8, threaded connection pole, 9, boundary beam shaped steel, 10, well roof beam shaped steel, 11, link, 12, elasticity adhesive tape, 13, stopper, 14, pressure-bearing support, 15, compress tightly the support, 16, corrosion resistant plate, 17, balancing weight, 18, fixing bolt, 19, anchor muscle.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, an expansion joint device for bridge construction includes a displacement box 1, a fixed structure and a movable structure, wherein the fixed structure includes a support beam 3, a pre-embedded steel bar 4 and a transverse steel bar 5, and the movable structure includes an edge beam section steel 9, a middle beam section steel 10, a connecting frame 11 and an elastic rubber strip 12;
the surface of the displacement box 1 is provided with an anchoring stud 2, the lower end of the anchoring stud 2 is provided with an anchor bar 19, the anchor bar 19 and the displacement box 1 are welded and fixed, the side edge of the displacement box 1 is welded with embedded steel bars 4, the embedded steel bars 4 are provided with a plurality of groups, each group of the embedded steel bars 4 is provided with a plurality of layers at equal intervals, the middle position of each embedded steel bar 4 is welded with a transverse steel bar 5, an anchor plate 6 is arranged between the two groups of the embedded steel bars 4 on the same side, the anchor plate 6 and the displacement box 1 are welded and fixed, the end part of the anchor plate 6 is provided with a threaded hole,
the displacement box 1 and the internal structure thereof are provided with two groups, a pressure bearing support 14 is installed at the bottom position of the displacement box 1, a support beam 3 is installed at the upper part of the pressure bearing support 14, a limit block 13 is welded on the surface of the support beam 3, a counterweight 17 is arranged on one side of the limit block 13, the counterweight 17 is welded at the bottom of the displacement box 1, the upper end position of the counterweight 17 is in a cavity structure, the end part of the support beam 3 is in a convex structure and slides in the cavity of the counterweight 17, a pressing support 15 is installed at the upper part of the support beam 3, and the pressing support 15 is abutted to the upper wall of the inner cavity of the displacement box 1;
the outer part of the upper end of the displacement box 1 is welded with a connecting frame 11, the other end of the connecting frame 11 is welded with an edge beam section steel 9, a middle beam section steel 10 is arranged between the two edge beam section steels 9, and the middle beam section steel 10 is arranged in the middle of the supporting beam 3.
Two ends of the support beam 3 are respectively fixedly connected to the side walls of the two displacement boxes 1 through fixing bolts 18; the adjacent anchor plates 6 are inserted and fixed through threaded connecting rods 8, and the end parts of the two ends of each threaded connecting rod 8 are in threaded connection with threaded caps 7; a groove is formed in one inward side of the edge beam section steel 9, grooves are formed in two ends of the center beam section steel 10, and two ends of an elastic rubber strip 12 are respectively arranged in the grooves of the edge beam section steel 9 and the center beam section steel 10; the upper ends of the side beam section steel 9 and the middle beam section steel 10 are provided with anchoring concrete; the elastic rubber strip 12 is made of rubber.
This application is when using, the equal external intercommunication power and the control switch of electrical components that appear in this application when using, when installing the device, adjust two displacement case 1's distance according to the distance at expansion joint, then place displacement case 1 in the expansion joint, afterwards, install displacement case 1's both sides with embedded steel bar 4 and crossing reinforcing bar 5, after fixed, insert threaded connection pole 8 in the circular port of anchor slab 6, then carry out the thread tightening with threaded connection pole 8's both ends with screw cap 7, after the installation finishes, water with cement with both sides and make it keep firm, then accomplish the installation of upper portion boundary beam shaped steel 9 and well beam shaped steel 10. The elastic rubber strip 12 can keep the boundary beam profile steel 9 and the elastic rubber strip 12 to have a telescopic traction force in the movement process, so that the device is not easy to break away, the local fracture caused by overlarge deformation is avoided, the overall performance of the bridge body is improved, the service life is long, and the construction efficiency is effectively improved.
The application has the advantages that:
1. the device is reasonable in design and safe to use, and the stability of the device can be enhanced through the embedded steel bars, the transverse steel bars, the anchor plates, the threaded connecting rods and the anchor bars, so that the safety performance of the device is improved;
2. the device construction simple to operate is carrying out the in-process that removes simultaneously, has avoided the too big local structure fracture that arouses of deformation through setting up elasticity adhesive tape and balancing weight, improves the wholeness ability of the pontic, and long service life effectively provides the efficiency of construction.
As the related circuits and electronic components and modules are prior art, they are not described in this document.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The utility model provides an expansion joint device for bridge construction which characterized in that: the device comprises a displacement box (1), a fixed structure and a movable structure, wherein the fixed structure comprises a supporting beam (3), embedded steel bars (4) and transverse steel bars (5), and the movable structure comprises an edge beam section steel (9), a middle beam section steel (10), a connecting frame (11) and an elastic rubber strip (12);
the surface of the displacement box (1) is provided with anchoring studs (2), the lower ends of the anchoring studs (2) are provided with anchor bars (19), the anchor bars (19) and the displacement box (1) are welded and fixed, the side edges of the displacement box (1) are welded with embedded steel bars (4), the embedded steel bars (4) are provided with a plurality of groups, each group of embedded steel bars (4) is provided with a plurality of layers at equal intervals, transverse steel bars (5) are welded at the middle positions of the embedded steel bars (4), an anchor plate (6) is arranged between two groups of the embedded steel bars (4) on the same side, the anchor plate (6) and the displacement box (1) are welded and fixed, and the end part of the anchor plate (6) is provided with a threaded hole,
the displacement box (1) and the internal structure thereof are provided with two groups, a pressure-bearing support (14) is installed at the bottom of the displacement box (1), a supporting beam (3) is installed at the upper part of the pressure-bearing support (14), a limiting block (13) is welded on the surface of the supporting beam (3), a balancing weight (17) is arranged on one side of the limiting block (13), the balancing weight (17) is welded at the bottom of the displacement box (1), the upper end of the balancing weight (17) is of a cavity structure, the end part of the supporting beam (3) is of a convex structure and slides in the cavity of the balancing weight (17), a pressing support (15) is installed at the upper part of the supporting beam (3), and the pressing support (15) abuts against the upper wall of the inner cavity of the displacement box (1);
the outer portion of the upper end of the displacement box (1) is welded with a connecting frame (11), the other end of the connecting frame (11) is welded with edge beam section steel (9), middle beam section steel (10) is arranged between the two edge beam section steel (9), and the middle beam section steel (10) is installed in the middle of the supporting beam (3).
2. The expansion joint device for bridge construction according to claim 1, wherein: two ends of the supporting beam (3) are fixedly connected to the side walls of the two displacement boxes (1) through fixing bolts (18) respectively.
3. The expansion joint device for bridge construction according to claim 1, wherein: adjacent anchor plate (6) are fixed through pegging graft through threaded connection pole (8) before, the equal threaded connection in both ends tip of threaded connection pole (8) has screw cap (7).
4. The expansion joint device for bridge construction according to claim 1, wherein: the side beam type steel (9) is provided with a groove at one inward side, the two ends of the center beam type steel (10) are provided with grooves, and the two ends of the elastic rubber strips (12) are respectively arranged in the grooves of the side beam type steel (9) and the center beam type steel (10).
5. The expansion joint device for bridge construction according to claim 1, wherein: and the upper ends of the side beam section steel (9) and the middle beam section steel (10) are provided with anchoring concrete.
6. The expansion joint device for bridge construction according to claim 1, wherein: the elastic rubber strip (12) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021702465.9U CN213013896U (en) | 2020-08-13 | 2020-08-13 | Expansion joint device for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021702465.9U CN213013896U (en) | 2020-08-13 | 2020-08-13 | Expansion joint device for bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN213013896U true CN213013896U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021702465.9U Active CN213013896U (en) | 2020-08-13 | 2020-08-13 | Expansion joint device for bridge construction |
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| CN (1) | CN213013896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817179A (en) * | 2024-03-05 | 2024-04-05 | 湖北省高创公路工程咨询监理有限公司 | Bridge expansion joint steel structure welding device and method thereof |
-
2020
- 2020-08-13 CN CN202021702465.9U patent/CN213013896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817179A (en) * | 2024-03-05 | 2024-04-05 | 湖北省高创公路工程咨询监理有限公司 | Bridge expansion joint steel structure welding device and method thereof |
| CN117817179B (en) * | 2024-03-05 | 2024-05-14 | 湖北省高创公路工程咨询监理有限公司 | Bridge expansion joint steel structure welding device and method thereof |
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