CN215976830U - Public road bridge roof beam expansion joint construction equipment - Google Patents
Public road bridge roof beam expansion joint construction equipment Download PDFInfo
- Publication number
- CN215976830U CN215976830U CN202122437646.4U CN202122437646U CN215976830U CN 215976830 U CN215976830 U CN 215976830U CN 202122437646 U CN202122437646 U CN 202122437646U CN 215976830 U CN215976830 U CN 215976830U
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- Prior art keywords
- steel
- expansion joint
- bar
- cushion block
- connecting column
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- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 114
- 239000010959 steel Substances 0.000 claims abstract description 114
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000010426 asphalt Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- -1 slay Substances 0.000 description 1
Images
Landscapes
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application discloses a construction device for an expansion joint of a highway bridge, which comprises a steel bar, an expansion joint steel plate and a connecting structure; the steel bar is positioned between the concrete guard rail and the expansion joint steel plate, a first steel cushion block and a second steel cushion block are respectively arranged on the outer sides of the concrete guard rail and the expansion joint steel plate, the top end and the bottom end of the steel bar respectively penetrate through the first steel cushion block and the second steel cushion block, and a first nut and a second nut are respectively screwed at the two ends of the steel bar; and a supporting spring is arranged between the concrete guard rail and the expansion joint steel plate and sleeved on the surface of the steel bar. This application is with expansion joint steel sheet and the smooth welding in steel baffle top, forms concave box, and wherein steel baffle length is unanimous with the bridge floor width, penetrates the expansion joint steel sheet with the reinforcing bar again, and the reinforcing bar upper end is fixed on concrete rail guard upper portion to fix on concrete rail guard, in order to make things convenient for the device installation.
Description
Technical Field
The application relates to a public road bridge roof beam technical field, especially a public road bridge roof beam expansion joint construction equipment.
Background
The construction of current public road bridge expansion joint adopts "reverse cutting method construction more, accomplish the back at bridge floor bituminous paving layer construction promptly, rule the cutting to bridge expansion joint position department's asphalt layer, can use the pneumatic pick to chisel out the bituminous paving part between two kerfs after that, clear away totally with the interior filler of notch, and with the gouge of notch surface concrete, clean debris, wash the surplus residue clean with high-pressure squirt or powerful hair-dryer, the bituminous concrete of cutting within the scope is clear away to the manual work air compressor machine, and chisel loose concrete. The edge and corner of the asphalt concrete section are kept neat during operation.
In the prior art, a reverse cutting method is generally used for construction, and particularly when a bridge structure is constructed more, construction tools and machines are adopted, more workers are needed, the process is complex, the construction speed is low, and the cost is high. Therefore, the construction device for the expansion joint of the highway bridge is provided for solving the problems.
Disclosure of Invention
A construction device for an expansion joint of a highway bridge comprises a steel bar, an expansion joint steel plate and a connecting structure;
the steel bar is positioned between the concrete guard rail and the expansion joint steel plate, a first steel cushion block and a second steel cushion block are respectively arranged on the outer sides of the concrete guard rail and the expansion joint steel plate, the top end and the bottom end of the steel bar respectively penetrate through the first steel cushion block and the second steel cushion block, and a first nut and a second nut are respectively screwed at the two ends of the steel bar; a support spring is arranged between the concrete guard rail and the expansion joint steel plate, and the support spring is sleeved on the surface of the steel bar;
the connecting structure comprises a first connecting column and a second connecting column, a movable cavity is formed in the first connecting column, a connecting rod is sleeved in the movable cavity, a return spring is arranged in the movable cavity, the return spring is sleeved on the surface of the connecting rod, and the right end of the connecting rod is fixedly connected with the left end of the second connecting column; first spliced pole with the rotation chamber has all been opened to second spliced pole bottom, the inside dwang that has cup jointed of rotation chamber, just dwang bottom rigid coupling has the screw sleeve.
Further, expansion joint steel sheet bottom rigid coupling has steel baffle, and two steel baffle with the expansion joint steel sheet is the U type structure.
Furthermore, the number of reinforcing bar is two, two reinforcing bar symmetric distribution in concrete rail guard with between the expansion joint steel sheet, just the reinforcing bar both ends are all turned there is the external screw thread.
Further, the first connecting column and the second connecting column are both L-shaped structures, the connecting rod is of a T-shaped structure, and the first connecting column is in sliding connection with the connecting rod.
Further, the dwang is T type structure, two dwang symmetric distribution in first spliced pole and second spliced pole bottom, just the dwang top with it connects to rotate the chamber rotation.
Further, the bottom end of the threaded sleeve is of an open structure, and the threaded sleeve is matched with the top end of the steel bar in size.
According to the embodiment of the application, the expansion joint steel plate and the steel baffle plate are flatly welded to form the concave box, wherein the length of the steel baffle plate is consistent with the width of the bridge floor, then the reinforcing steel bar penetrates into the expansion joint steel plate and is connected with the first screw cap through the first steel cushion block and the second screw cap through the second steel cushion block; the upper end of the reinforcing steel bar is fixed on the upper part of the concrete guard rail so as to be conveniently fixed on the concrete guard rail, the device is convenient to install, and the operation is simple.
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 perspective view of an embodiment of the present application;
FIG. 2 is a diagram of a first connecting post and a second connecting post according to an embodiment of the present application;
fig. 3 is a side view of the overall structure of one embodiment of the present application.
In the figure: 1. threaded sleeve, 2, first steel cushion, 3, reinforcing bar, 4, first nut, 5, supporting spring, 6, expansion joint steel sheet, 7, steel fender, 8, second steel cushion, 9, second nut, 10, first spliced pole, 101, activity chamber, 11, rotation chamber, 12, reset spring, 13, connecting rod, 14, second spliced pole, 15, dwang.
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.
The expansion joint construction device in this embodiment may be applicable to various highway bridge road surfaces, for example, the following highway bridge road bed road surface and construction method thereof are provided in this embodiment, and the expansion joint construction device in this embodiment may be used to assist in using the following highway bridge road bed road surface and construction method thereof.
The highway bridge roadbed pavement and the construction method thereof comprise a foundation, wherein a soil base layer is constructed on the foundation, a foundation stabilizer bar is inserted in the soil base layer, the foundation stabilizer bar is immersed in the soil base layer, a first sand cushion layer is laid on the soil base layer, a gabion cage is constructed on the first sand cushion layer, stones are filled in the gabion cage, a second sand cushion layer is laid above the gabion cage, a stabilizing layer is laid on the second sand cushion layer, the stabilizing layer comprises a special-shaped waterproof enhancement layer and stabilizing soil covering the periphery of the special-shaped waterproof enhancement layer, the special-shaped waterproof enhancement layer comprises a filler and a waterproof geomembrane hermetically wrapped on the periphery of the filler, a reinforcing plate is arranged inside the special-shaped waterproof enhancement layer, and the cross section of the reinforcing plate is wavy; the stabilizer layer top is equipped with the upper base layer, the upper base layer comprises the mixture of gravel, stone, slay, clay and lime, and the surface course has been built to the upper base layer top.
The reinforcing plate is extended in an S shape along the length direction of the road. The reinforcing plates are connected with each other in a buckling and inserting mode. The volume of the stone blocks in the gabion cage is gradually increased from the center to the periphery. The upper surface of the upper base layer is of a convex arc-shaped structure. The mass percentages of the gravel, the stones, the slag, the clay and the lime are 18: 23: 15: 8: 2. the diameter of the foundation stabilizer bar is not more than 8 cm.
Of course, the present embodiment can also be used for other road surfaces of highway bridges. The expansion joint construction device of the embodiment of the application is introduced below without repeated description.
Referring to fig. 1-3, a construction device for an expansion joint of a highway bridge comprises a steel bar 3, an expansion joint steel plate 6 and a connecting structure;
the steel bar 3 is positioned between the concrete guard rail and the expansion joint steel plate 6, a first steel cushion block 2 and a second steel cushion block 8 are respectively arranged on the outer sides of the concrete guard rail and the expansion joint steel plate 6, the top end and the bottom end of the steel bar 3 respectively penetrate through the first steel cushion block 2 and the second steel cushion block 8, and a first nut 4 and a second nut 9 are respectively screwed at two ends of the steel bar 3; a support spring 5 is arranged between the concrete guard rail and the expansion joint steel plate 6, and the support spring 5 is sleeved on the surface of the steel bar 3;
the connecting structure comprises a first connecting column 10 and a second connecting column 14, a movable cavity 101 is formed in the first connecting column 10, a connecting rod 13 is sleeved in the movable cavity 101, a return spring 12 is arranged in the movable cavity 101, the return spring 12 is sleeved on the surface of the connecting rod 13, and the right end of the connecting rod 13 is fixedly connected with the left end of the second connecting column 14; first spliced pole 10 with second spliced pole 14 bottom has all been opened and has been rotated chamber 11, rotate 11 inside dwang 15 that have cup jointed in chamber, just dwang 15 bottom rigid coupling has threaded sleeve 1.
The bottom end of the expansion joint steel plate 6 is fixedly connected with a steel baffle 7, the two steel baffles 7 and the expansion joint steel plate 6 are in a U-shaped structure, and the expansion joint steel plate and the top of the steel baffle are welded flatly to form a concave box; the number of the steel bars 3 is two, the two steel bars 3 are symmetrically distributed between the concrete guard railing and the expansion joint steel plate 6, and external threads are turned at two ends of each steel bar 3, so that the concrete guard railing and the expansion joint steel plate 6 can be conveniently connected; the first connecting column 10 and the second connecting column 14 are both of an L-shaped structure, the connecting rod 13 is of a T-shaped structure, and the first connecting column 10 is slidably connected with the connecting rod 13, so that the distance between the first connecting column 10 and the second connecting column 14 can be conveniently adjusted; the rotating rods 15 are of a T-shaped structure, the two rotating rods 15 are symmetrically distributed at the bottom ends of the first connecting column 10 and the second connecting column 14, and the top ends of the rotating rods 15 are rotatably connected with the rotating cavity 11, so that the connecting structure is conveniently connected with the steel bars 3; the bottom end of the threaded sleeve 1 is of an open structure, and the threaded sleeve 1 is matched with the top end of the steel bar 3 in size.
When the expansion joint steel plate is used, firstly, the expansion joint steel plate 6 and the steel baffle plate 7 are flatly welded to form a concave box, wherein the length of the steel baffle plate 7 is consistent with the width of a bridge deck, then the steel bar 3 penetrates into the expansion joint steel plate 6, external threads with the length of 10cm are turned at two ends of the steel bar 3, the lower end of the steel bar 3 penetrates through the expansion joint steel plate 6 and is connected with the first nut 4 and the second nut 9 through the first steel cushion block 2 and the second steel cushion block 8; the upper end of the steel bar 3 is fixed on the upper part of the concrete guard rail so as to be conveniently fixed on the concrete guard rail and facilitate the installation of the device.
Before asphalt pavement of the bridge deck, the device is placed at an expansion joint, the elevation of the expansion joint is adjusted by adjusting the lengths of threads at two ends of the reinforcing steel bars 3, after the asphalt pavement of the bridge deck is finished, the device can be taken out when the temperature of the asphalt is lower than 50 ℃, and before the placement and modification, an anti-sticking agent is smeared at a steel baffle 7; finally, the threaded sleeve 1 is screwed and fixed with the top end of the steel bar 3, meanwhile, the connecting rod 13 can be driven to slide along the movable cavity 101 by pulling the first connecting column 10 and the second connecting column 14, so that the distance between the first connecting column 10 and the second connecting column 14 is adjusted, and then the device can be taken out by pulling the first connecting column 10 and the second connecting column 14, and the operation is simple.
The application has the advantages that:
1. according to the method, an expansion joint steel plate and a steel baffle top are welded flatly to form a concave box, wherein the length of the steel baffle is consistent with the width of a bridge deck, and then a steel bar penetrates through the expansion joint steel plate and is connected with a first screw cap through a first steel cushion block and a second screw cap through a second steel cushion block; the upper end of the steel bar is fixed on the upper part of the concrete guard rail so as to be conveniently fixed on the concrete guard rail, and the device is convenient to install, can reserve the position of the bridge expansion joint, and reduces tools, machinery, personnel, cost and expense produced by the existing 'back cutting method';
2. this application places the device in expansion joint position department before bridge floor asphalt pavement, through adjustment reinforcing bar both ends car silk length in order to adjust expansion joint department elevation. After bridge floor asphalt pavement is completed, when the asphalt temperature is lower than 50 ℃, the device can be taken out, and before the device is placed and refitted, an anti-sticking agent is smeared at the steel baffle plate for preventing the device from being stuck with asphalt.
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 a public road bridge roof beam expansion joint construction equipment which characterized in that: comprises a steel bar (3), an expansion joint steel plate (6) and a connecting structure;
the steel bar (3) is positioned between the concrete guard rail and the expansion joint steel plate (6), a first steel cushion block (2) and a second steel cushion block (8) are respectively arranged on the outer sides of the concrete guard rail and the expansion joint steel plate (6), the top end and the bottom end of the steel bar (3) respectively penetrate through the first steel cushion block (2) and the second steel cushion block (8), and a first nut (4) and a second nut (9) are respectively screwed at two ends of the steel bar (3); a supporting spring (5) is arranged between the concrete guard rail and the expansion joint steel plate (6), and the supporting spring (5) is sleeved on the surface of the steel bar (3);
the connecting structure comprises a first connecting column (10) and a second connecting column (14), a movable cavity (101) is formed in the first connecting column (10), a connecting rod (13) is sleeved in the movable cavity (101), a return spring (12) is arranged in the movable cavity (101), the return spring (12) is sleeved on the surface of the connecting rod (13), and the right end of the connecting rod (13) is fixedly connected with the left end of the second connecting column (14); first spliced pole (10) with second spliced pole (14) bottom has all been opened and has been rotated chamber (11), rotating chamber (11) inside dwang (15) have been cup jointed, just dwang (15) bottom rigid coupling has threaded sleeve (1).
2. The construction device for an expansion joint of a road bridge as claimed in claim 1, wherein:
expansion joint steel sheet (6) bottom rigid coupling has steel baffle (7), and two steel baffle (7) with expansion joint steel sheet (6) are the U type structure.
3. The construction device for an expansion joint of a road bridge as claimed in claim 1, wherein:
the number of reinforcing bar (3) is two, two reinforcing bar (3) symmetric distribution in concrete rail guard with between expansion joint steel sheet (6), just reinforcing bar (3) both ends are all turned there is the external screw thread.
4. The construction device for an expansion joint of a road bridge as claimed in claim 1, wherein:
the first connecting column (10) and the second connecting column (14) are both L-shaped structures, the connecting rod (13) is of a T-shaped structure, and the first connecting column (10) is in sliding connection with the connecting rod (13).
5. The construction device for an expansion joint of a road bridge as claimed in claim 1, wherein:
dwang (15) is T type structure, two dwang (15) symmetric distribution in first spliced pole (10) and second spliced pole (14) bottom, just dwang (15) top with it rotates chamber (11) and connects.
6. The construction device for an expansion joint of a road bridge as claimed in claim 1, wherein:
the bottom end of the threaded sleeve (1) is of an open structure, and the threaded sleeve (1) is matched with the top end of the steel bar (3) in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437646.4U CN215976830U (en) | 2021-10-09 | 2021-10-09 | Public road bridge roof beam expansion joint construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122437646.4U CN215976830U (en) | 2021-10-09 | 2021-10-09 | Public road bridge roof beam expansion joint construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215976830U true CN215976830U (en) | 2022-03-08 |
Family
ID=80507471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122437646.4U Expired - Fee Related CN215976830U (en) | 2021-10-09 | 2021-10-09 | Public road bridge roof beam expansion joint construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215976830U (en) |
-
2021
- 2021-10-09 CN CN202122437646.4U patent/CN215976830U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |