CN217923053U - Elastomer prefabricated filling type telescopic device convenient to install and replace - Google Patents
Elastomer prefabricated filling type telescopic device convenient to install and replace Download PDFInfo
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- CN217923053U CN217923053U CN202221748945.8U CN202221748945U CN217923053U CN 217923053 U CN217923053 U CN 217923053U CN 202221748945 U CN202221748945 U CN 202221748945U CN 217923053 U CN217923053 U CN 217923053U
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Abstract
The utility model relates to a bridge telescoping device technical field, it is long to aim at solving the method construction operation time that adopts cast in situ polyurethane among the prior art, it is big to be influenced by construction environment, the problem that local leaking, colloid debond may appear after the establishment, provide an elastomer prefabricated type filled telescoping device convenient to installation, change, including striding seam board subassembly, angle steel subassembly and stabilizing component, the angle steel subassembly is located striding seam board subassembly, angle steel subassembly and striding seam board subassembly fixed connection, stabilizing component is located the angle steel subassembly, stabilizing component's both ends are rotated and are connected in the inboard of angle steel subassembly; a plurality of elastomer prefabricated modules are arranged in the seam crossing plate assembly, gaps are reserved on the elastomer prefabricated modules, the gaps on two adjacent elastomer prefabricated modules are spliced to form a pouring space, and the pouring space is used for casting an elastomer in situ to form a wet joint; the utility model discloses combine the prefabricated module of elastomer and cast-in-place wet joint, can effectively guarantee whole construction progress and quality, later maintenance is convenient.
Description
Technical Field
The utility model relates to a bridge telescoping device technical field particularly, relates to a prefabricated type filled telescoping device of elastomer convenient to installation, change.
Background
In order to adapt to the temperature expansion and contraction deformation of the bridge body, an expansion joint needs to be arranged at the beam end, and meanwhile, in order to ensure that vehicles come and go pass through the expansion joint safely and prevent rainwater on the road surface from flowing into the beam end from the expansion joint, an expansion device needs to be arranged at the expansion joint to adapt to the expansion and contraction creep of the beam body and the drainage of the road surface. At present, the main forms of the expansion device are comb plate type, module type and seamless type.
After the comb plate type and module type expansion devices are installed, wide gaps still exist at the expansion joints, the seamless expansion device mainly refers to a polyurethane filling type expansion device, and after the device forms a bridge, the expansion joints are completely shielded, so that the comb plate type and module type expansion device has the characteristics of low noise, comfort in driving and the like.
At present, polyurethane is poured behind polyurethane filled telescoping device with on-the-spot equipment skeleton and is given first place, and this mode work progress includes: cleaning a groove area, installing embedded steel bars, pouring concrete, curing the concrete, placing a telescopic device framework, coating an adhesive, curing and curing the adhesive, pouring polyurethane and curing the polyurethane; the single seam construction operation time in the process is long, the field pouring quality and the construction progress are greatly influenced by the environment, even in the environment with little rain, little snow or high humidity, the construction operation can not be carried out, the construction period after dragging is often caused, the quality can not be completely ensured, and the conditions of local water leakage and colloid debonding can occur soon after construction. Gaps can exist in the mode of prefabricating polyurethane in a factory and then assembling the polyurethane on site, and the situations of water leakage and the like can also occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated type filled telescoping device of elastomer convenient to installation, change to solve the method construction activity duration that adopts cast in situ polyurethane among the prior art long, it is big to receive the construction environment influence, can appear the problem that local leaking, colloid debond after establishing.
The utility model discloses an adopt following technical scheme to realize:
an elastomer prefabricated filling type expansion device convenient to install and replace comprises a seam crossing plate assembly, an angle steel assembly and a stabilizing assembly, wherein the angle steel assembly is located in the seam crossing plate assembly, the angle steel assembly is fixedly connected with the seam crossing plate assembly, the stabilizing assembly is located in the angle steel assembly, and two ends of the stabilizing assembly are rotatably connected to the inner side of the angle steel assembly;
the slit-spanning plate assembly is internally provided with a plurality of elastomer prefabricated modules, gaps are reserved on the elastomer prefabricated modules, the gaps on two adjacent elastomer prefabricated modules are spliced to form a pouring space, and the pouring space is used for casting an elastomer in situ to form a wet joint.
The utility model provides a prefabricated type filled telescoping device of elastomer convenient to installation, change through prefabricating the prefabricated module of a plurality of elastomers in factory workshop, then assembles the prefabricated module of elastomer fortune to the scene, and the construction progress is high quality fast. The gaps are reserved on the elastomer prefabricated modules, the gaps on two adjacent elastomer prefabricated modules are spliced to form a pouring space, and the pouring space is used for casting the elastomer in situ to form a wet joint. After strideing seam board subassembly, angle steel subassembly and stabilizing the subassembly installation, the wet joint of cast in situ, because wet joint is in small quantity and the size is little, pour the time fast, if meet the weather of a rain, because of the area is little, can effectively protect. If the single elastomer prefabricated module in the telescopic device is damaged, the single elastomer prefabricated module is integrally taken out and replaced by a new elastomer prefabricated module, so that the replacement time is short, and the influence on traffic is small.
The utility model discloses a combine together the prefabricated module of elastomer and the wet joint of site pouring, do not receive weather effect basically, can guarantee whole construction progress and quality effectively, and later maintenance is more convenient.
As a preferred technical scheme:
the notches are arranged on the side surface of the elastomer prefabricated module.
The side face is provided with notches which are convenient for splicing two adjacent elastomer prefabricated modules to form a pouring space.
As a preferable technical scheme:
the cross section of the wet joint is trapezoidal.
And the wet joint is conveniently contacted and connected with the elastomer prefabricated module fully.
As a preferred technical scheme:
the width of the top of the wet joint is 2A, wherein A is 5% -10% of the length of the elastomer precast module.
The tensile deformation in the transverse bridge direction is met.
As a preferable technical scheme:
and a part of elastomer is reserved at the joint of the elastomer prefabricated module, the thickness H of the elastomer is 0-40 mm, and the bottom of the wet joint is in contact with the elastomer reserved at the joint of the elastomer prefabricated module.
As a preferable technical scheme:
the included angle B1 between the side surface of the notch and the bottom surface of the notch is not more than 90 degrees.
As a preferred technical scheme:
the bottom of the wet joint is directly contacted with the seam crossing plate component, and an included angle B2 between the side surface of the notch and the bottom surface of the seam crossing plate component is not more than 90 degrees.
As a preferred technical scheme:
the elastomer prefabricated module is a polyurethane prefabricated component.
As a preferred technical scheme:
the seam crossing plate assembly comprises two L-shaped plates which are oppositely arranged, the joint of the two L-shaped plates is arranged in a comb tooth shape, and one L-shaped plate is arranged across the expansion joint of the beam body;
the outer side of the L-shaped plate is provided with an anchoring reinforcing steel bar, and two ends of the anchoring reinforcing steel bar are respectively connected to the side face and the bottom face of the L-shaped plate.
As a preferred technical scheme:
the angle steel subassembly is including connecting respectively in two the inboard two angle steel of L shaped plate, stabilizing component's both ends support respectively in two the preformed hole of angle steel side.
As a preferable technical scheme:
the two L-shaped plates are provided with rubber plates, the length of each rubber plate is equal to that of each L-shaped plate, the width direction of each rubber plate is clamped between the two angle steels, and the stabilizing assembly is located above the rubber plates.
As a preferred technical scheme:
the L-shaped plate is provided with an anchor, and the anchor is used for connecting the L-shaped plate with the beam body.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses combine together the prefabricated module of elastomer and the wet joint of cast in situ, do not receive weather effect basically, can guarantee whole construction progress and quality effectively.
2. The utility model discloses set up the anchor reinforcing bar for be connected more firmly between the telescoping device and the roof beam body, the driving is safer.
3. The utility model discloses set up the L shaped plate, separate polyurethane and concrete, can effectively avoid polyurethane and concrete rigidity to mismatch, lead to the condition that the concrete was crumpled by the pressure very fast, prolong whole life.
4. The utility model discloses set up the anchor nail, prevent to take off the sky between L shaped plate and the concrete, strengthen the joint strength of telescoping device and the roof beam body.
5. The utility model discloses a design of wet joint structure guarantees that wet joint adhesion strength reaches horizontal, fore-and-aft poisson and warp.
6. The utility model discloses a prefabricated structural design (the prefabricated module of elastomer), later maintenance is more convenient.
Drawings
Fig. 1 is a schematic structural view of the elastomer prefabricated type filling type telescopic device convenient for installation and replacement.
Fig. 2 is a schematic structural view of two L-shaped steel plates according to the present invention.
Fig. 3 is a schematic structural view of an elastomer preform module described in embodiment 1 of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is the utility model discloses in embodiment 1 two adjacent prefabricated module concatenations of elastomer and pour the structural sketch map of wet joint.
Fig. 6 is a top view of fig. 5.
Fig. 7 is the utility model discloses the structural schematic diagram of the prefabricated module concatenation of a plurality of elastomers.
Fig. 8 is a top view of fig. 7.
Fig. 9 is an installation schematic view of the elastomer prefabricated type filling type telescopic device convenient for installation and replacement.
Fig. 10 is a schematic structural view of the anchor according to the present invention.
Fig. 11 is a schematic structural view of an elastomer preform module according to embodiment 2 of the present invention.
Fig. 12 is a top view of fig. 11.
Fig. 13 is the utility model discloses two adjacent prefabricated module concatenations of elastomer and pour wet joint's schematic structure view in embodiment 2.
Fig. 14 is a top view of fig. 13.
Icon: 1-seam crossing plate component, 101-L-shaped steel plate, 102-anchoring steel bar, 103-anchoring nail, 2-stabilizing component, 3-elastomer prefabricated module, 4-angle steel component, 5-rubber plate, 7-wet joint, 8-beam body, 801-beam body embedded bar and 802-transverse steel bar.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-9, the embodiment provides an elastomer prefabricated filling type telescopic device convenient to install and replace, which includes a seam crossing plate assembly 1, an angle steel assembly 4 and a stabilizing assembly 2, wherein the seam crossing plate assembly 1 includes two L-shaped steel plates 101 which are arranged oppositely, the butt joint of the two L-shaped steel plates 101 is arranged in a comb tooth shape, and comb tooth structures on the two L-shaped steel plates 101 are mutually inserted to realize a telescopic function. The two L-shaped steel plates 101 are different in length, one L-shaped steel plate 101 is longer and spans an expansion joint of the beam body 8, an anchor 103 is arranged on the lower portion of the L-shaped steel plate 101, and the L-shaped steel plate 101 is connected with the beam body 8 through the anchor 103 to prevent the L-shaped steel plate 101 and concrete from being separated from each other and enhance the connection strength of the expansion device and the beam body 8. The outer sides of the two L-shaped steel plates 101 are respectively provided with an anchoring steel bar 102, two ends of the anchoring steel bar 102 are respectively connected to the side surface and the bottom surface of the L-shaped steel plate 101, and a closed ring is formed between the anchoring steel bar 102 and part of the L-shaped steel plate 101. The anchoring steel bar 102 is used for being welded with the beam body embedded bar 801, and anchoring strength is improved. In this embodiment, the L-shaped steel plate 101 is a galvanized steel plate. A plurality of transverse reinforcing steel bars 802 are further arranged in the beam body 8, and the transverse reinforcing steel bars 802 are horizontally arranged and arranged on the inner sides of the beam body embedded ribs 801 and the anchoring reinforcing steel bars 102.
The design of the anchoring steel bar 102 and the anchoring nail 103 is convenient to install, the anchoring strength between the telescopic device and the beam body 8 is enhanced, wherein the anchoring nail 103 is welded with the longer L-shaped steel plate 101, the phenomenon that the L-shaped steel plate 101 and concrete are separated due to the fact that the L-shaped steel plate 101 is too wide can be effectively avoided, the structure of the anchoring nail 103 is shown in figure 10, and the diameter of the end portion of the anchoring nail 103 is larger than the diameter of the rod portion, namely phi C is larger than phi D.
The angle steel component 4 comprises two angle steels, the two angle steels are welded to the inner sides of the two L-shaped steel plates 101 respectively, and two ends of the stabilizing component 2 are abutted to the two preformed holes in the side faces of the angle steels respectively.
Two placed rubber slab 5 on the L shape steel sheet 101, the length of rubber slab 5 with the length of L shape steel sheet 101 is the same, and its width direction card is in two between the angle steel, stable subassembly 2 is located the top of rubber slab 5. The stabilizing component 2 comprises components such as an inner rod and an outer rod which are sleeved, and the stabilizing component 2 is the prior art and is not described herein in detail.
The seam crossing plate assembly 1 is internally provided with a plurality of elastomer prefabricated modules 3, the elastomer prefabricated modules 3 are polyurethane prefabricated parts, the polyurethane prefabricated parts are prefabricated and produced in a production workshop through manufacturers, but the seam crossing plate assembly is not limited to polyurethane which is an elastic material, and other elastic composite materials in the prior art can also be adopted. As shown in fig. 3 to 4, a notch is reserved on the elastomer precast module 3, and the notch is arranged on a side surface of the elastomer precast module 3, and polyurethane is not poured at the notch. As shown in fig. 5 to 6, the gaps of two adjacent elastomer prefabricated modules 3 are spliced to form a casting space, and the casting space is used for casting polyurethane in situ to form a wet joint 7, so that the polyurethane is transversely communicated.
Polyurethane and concrete are separated by the L-shaped steel plate 101, and the situation that the concrete is quickly crushed due to the fact that the rigidity of the polyurethane is not matched with that of the concrete can be effectively avoided.
In this embodiment, as shown in fig. 5, the wet joint 7 has a trapezoidal cross section, which facilitates the wet joint 7 to be in sufficient contact with and connected to the elastomer preform module 3. The width of the top of the wet joint 7 is 2A, wherein A is 5% -10% of the length of the elastomer prefabricated module, and the requirement of transverse bridge direction stretching deformation is met.
In this embodiment, the polyurethane preform is produced in a workshop with a certain length (usually, the length of the lane is divided by 2) as a module, so as to ensure controllable production quality.
In this embodiment, a part of polyurethane is reserved at the joint of the elastomer prefabrication module 3, the thickness H of the polyurethane is 0-40 mm, and the bottom of the wet joint 7 is in contact with the polyurethane reserved at the joint of the elastomer prefabrication module 3. The included angle B1 between the side surface of the notch and the bottom surface of the notch is not more than 90 degrees. The elastomer preform module 3 has a length A from its upper part to its side.
The construction method of the elastomer prefabricated type filling type telescopic device convenient to install and replace comprises the following steps:
firstly, installing a seam crossing plate component 1, an angle steel component 4, a stabilizing component 2 and the like; then, the plurality of elastomer prefabricated modules 3 are transported to a field for installation, the elastomer prefabricated modules are sequentially installed from the first to the nth, each elastomer prefabricated module 3 is independently leveled, and after the flatness of the elastomer prefabricated modules 3 and the pavement is adjusted, the anchoring steel bars 102 are welded with the beam body embedded steel bars 801, so that the installation is fast and the anchoring strength is high; for realizing the prefabricated module 3 of elastomer is seamless, effective concatenation at the installation scene, after the prefabricated module 3 installation of all elastomers is accomplished, adjacent two set up wet joint 7 between the prefabricated module 3 of elastomer, wet joint 7 is in cast in situ, makes whole telescoping device transversely communicate and seamless, because wet joint 7 is small in quantity and the size is little, consequently pour the time fast, if meet the weather of a rain, because of the area is little, can effectively protect. After the road surface leads to the car, if the telescoping device appears local damage, only adopt polyurethane to repair damaged department can, if the single prefabricated module of elastomer 3 of telescoping device is impaired, take out single prefabricated module of elastomer 3 is whole, change again new prefabricated module of elastomer 3 can, the change time is short, and is less to the traffic influence.
Example 2
This example differs from example 1 in that:
as shown in fig. 11-14, the bottom of the wet joint 7 directly contacts the bottom surface of the L-shaped steel plate 101, and the included angle B2 between the side surface of the notch and the bottom surface of the L-shaped steel plate 101 is not greater than 90 °.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated type filled telescoping device of elastomer convenient to installation, change which characterized in that:
the angle steel component is positioned in the seam crossing plate component and fixedly connected with the seam crossing plate component, the stabilizing component is positioned in the angle steel component, and two ends of the stabilizing component are rotatably connected to the inner side of the angle steel component;
the slit-spanning plate assembly is internally provided with a plurality of elastomer prefabricated modules, gaps are reserved on the elastomer prefabricated modules, the gaps on two adjacent elastomer prefabricated modules are spliced to form a pouring space, and the pouring space is used for casting an elastomer in situ to form a wet joint.
2. The elastomer prefabricated type filled telescopic device convenient for installation and replacement as claimed in claim 1, wherein:
the notches are arranged on the side surface of the elastomer prefabricated module.
3. The elastomer prefabricated type filled telescopic device convenient for installation and replacement as claimed in claim 1, wherein:
the cross section of the wet joint is trapezoidal.
4. The elastomer prefabricated type filled telescopic device convenient for installation and replacement as claimed in claim 3, wherein:
the width of the top of the wet joint is 2A, wherein A is 5% -10% of the length of the elastomer precast module.
5. The elastomer prefabricated type filled telescopic device convenient for installation and replacement as claimed in claim 3, wherein:
and a part of elastomer is reserved at the joint of the elastomer prefabricating module, the thickness H of the elastomer is 0-40 mm, and the bottom of the wet joint is in contact with the elastomer reserved at the joint of the elastomer prefabricating module.
6. The elastomer prefabricated filled type telescopic device convenient for installation and replacement as claimed in claim 5, wherein:
the included angle B1 between the side surface of the notch and the bottom surface of the notch is not more than 90 degrees.
7. The elastomer prefabricated type filled telescopic device convenient for installation and replacement as claimed in claim 3, wherein:
the bottom of the wet joint is directly contacted with the seam crossing plate component, and an included angle B2 between the side surface of the notch and the bottom surface of the seam crossing plate component is not more than 90 degrees.
8. An elastomer prefabricated filled type telescopic device convenient for installation and replacement as claimed in any one of claims 1 to 7, wherein:
the elastomer prefabricated module is a polyurethane prefabricated part.
9. An elastomer prefabricated filled type telescopic device convenient for installation and replacement as claimed in any one of claims 1 to 7, wherein:
the seam crossing plate assembly comprises two L-shaped plates which are oppositely arranged, the joint of the two L-shaped plates is arranged in a comb tooth shape, and one L-shaped plate is arranged across the expansion joint of the beam body;
the outer side of the L-shaped plate is provided with an anchoring reinforcing steel bar, and two ends of the anchoring reinforcing steel bar are respectively connected to the side face and the bottom face of the L-shaped plate.
10. The elastomer prefabricated filled telescopic device convenient for installation and replacement as claimed in claim 9, wherein:
the angle steel assembly comprises two angle steels which are respectively connected to the inner sides of the two L-shaped plates, and two ends of the stabilizing assembly are respectively abutted to two preformed holes in the side faces of the angle steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748945.8U CN217923053U (en) | 2022-07-08 | 2022-07-08 | Elastomer prefabricated filling type telescopic device convenient to install and replace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748945.8U CN217923053U (en) | 2022-07-08 | 2022-07-08 | Elastomer prefabricated filling type telescopic device convenient to install and replace |
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| CN217923053U true CN217923053U (en) | 2022-11-29 |
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| CN202221748945.8U Active CN217923053U (en) | 2022-07-08 | 2022-07-08 | Elastomer prefabricated filling type telescopic device convenient to install and replace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117107627A (en) * | 2023-08-18 | 2023-11-24 | 中交公路长大桥建设国家工程研究中心有限公司 | Prefabricated modular bridge expansion device for quick construction and mounting and dismounting method thereof |
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2022
- 2022-07-08 CN CN202221748945.8U patent/CN217923053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117107627A (en) * | 2023-08-18 | 2023-11-24 | 中交公路长大桥建设国家工程研究中心有限公司 | Prefabricated modular bridge expansion device for quick construction and mounting and dismounting method thereof |
| CN117107627B (en) * | 2023-08-18 | 2024-03-22 | 中交公路长大桥建设国家工程研究中心有限公司 | Prefabricated modular bridge expansion device for quick construction and mounting and dismounting method thereof |
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