CN219824887U - Height-adjustable longitudinal expansion device - Google Patents
Height-adjustable longitudinal expansion device Download PDFInfo
- Publication number
- CN219824887U CN219824887U CN202321218478.2U CN202321218478U CN219824887U CN 219824887 U CN219824887 U CN 219824887U CN 202321218478 U CN202321218478 U CN 202321218478U CN 219824887 U CN219824887 U CN 219824887U
- Authority
- CN
- China
- Prior art keywords
- height
- adjustable
- main structure
- longitudinal extension
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003825 pressing Methods 0.000 claims description 30
- 239000002390 adhesive tape Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a height-adjustable longitudinal expansion device, which belongs to the field of bridge construction and is used for a bridge. In view of the technical scheme, the bridge expansion structure provided by the utility model has the advantages of relatively low cost, convenience in production and processing, standardized production, rapid elevation in later period, high safety and reliability and capability of ensuring travelling comfort.
Description
Technical Field
The utility model belongs to the field of bridge construction structures, and particularly relates to a height-adjustable longitudinal expansion device.
Background
The bridge expansion device is a bridge accessory component which is arranged between two beam ends of a bridge or between the beam ends and the bridge abutment and is used for adapting to the deformation requirement of the bridge or between the beam ends and the bridge abutment and ensuring stable bridge deck transition during deformation.
In the bridge expansion device, the bearing capacity of the longitudinal expansion joint is the same as that of the main bridge, and the transverse expansion joint beam is small, but because of the difference problem between the new bridge and the old bridge, the longitudinal dislocation is easy to generate, and the vertical displacement between the new bridge and the old bridge is also generated because of the deflection difference.
The common longitudinal expansion joint in the prior art is approximately divided into the following types, the first type is to replace the simple steel expansion joint, and the expansion joint structure is low but cannot adapt to adjustment and increase after pavement abrasion, so that discomfort and potential safety hazards of driving are easily brought. The second is to use high-elastic concrete, but the expansion joint structure is expensive to make, and has high installation requirement.
How to design an expansion joint structure which can avoid the common expansion joint defects in the prior art, and consider the problems of installation arrangement, height adjustment, water resistance and the like of a longitudinal expansion joint, and ensure the driving safety and the comfort is a technical problem which needs to be solved by the industry.
Disclosure of Invention
The utility model aims to provide a height-adjustable longitudinal telescopic device, which can provide a bridge telescopic structure with relatively low cost, convenient production and processing, standardized production, quick height adjustment in the later stage, high safety and reliability and driving comfort guarantee.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model discloses a height-adjustable longitudinal telescopic device which comprises support embedded parts, wherein the support embedded parts are symmetrically arranged, gaps are reserved between adjacent support embedded parts, the top of each support embedded part is connected with a height adjusting block, the height adjusting blocks are connected with a main structure pressing plate into a whole through a locking bolt structure, waterproof adhesive tapes are connected between adjacent main structure pressing plates, and two ends of each waterproof adhesive tape are respectively connected with the main structure pressing plates.
As one of the preferable technical schemes of the utility model, the support embedded part is one of an anchor ring structure, an anchor plate structure and an embedded bolt structure, and is opened at the connection position of the support embedded part and the height adjusting block.
As one of the preferable technical schemes of the utility model, a plurality of adjustable height plates are arranged between the height adjusting block and the main structure pressing plate, and the lockbolt structure penetrates through the adjustable height plates and then is connected with the height adjusting block.
As one of the preferable technical schemes of the utility model, the main structure pressing plate is provided with a counter bore for connecting the lockbolt structure, and the top surface of the lockbolt structure is flush with the top surface of the main structure pressing plate.
As one of the preferable technical schemes of the utility model, the waterproof adhesive tape is of an upper arch structure, and clamping tooth mouth structures connected with the main structure pressing plates are processed at two ends of the waterproof adhesive tape.
As one of the preferable technical schemes of the utility model, the height-adjustable plate is a steel plate with a two-to-three-layer structure.
As one of the preferable technical schemes of the utility model, the thickness of the steel plate of the height-adjustable plate is one or more of 1mm, 1.5mm and 2mm respectively.
As one of the preferable technical schemes of the utility model, the main structure pressing plate is a 1 standard section, and diamond-shaped anti-skid lines are milled on the surface of the main structure pressing plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the bridge expansion structure, the height adjusting block, the main structure pressing plate and the waterproof adhesive tape are sequentially arranged on the support embedded part, and the height adjusting block, the main structure pressing plate and the adjustable height plate are connected into a whole through the high-speed bolt conveying structure, so that the bridge expansion structure which is relatively low in cost, convenient to produce and process, capable of achieving standardized production, rapid in later stage, high in safety and reliability and capable of guaranteeing driving comfort can be effectively provided.
Drawings
Fig. 1 is a top view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
In the figure: 1. supporting the embedded part; 2. a height adjusting block; 3. a main structure pressing plate; 4. waterproof adhesive tape; 5. a lockbolt structure; 6. an adjustable height plate.
Detailed Description
The technical scheme of the utility model is further described and illustrated below with reference to the accompanying drawings. It should be noted that, the terms possibly related to the following paragraphs include, but are not limited to, "up, down, left, right, front, back" and the like, and the directions according to which the terms are all visual directions shown in the drawings of the corresponding specification, which should not be construed as limiting the scope of protection of the present technical solution, but are only for facilitating the understanding of the technical solution described in the specification by those skilled in the art.
In the description of the following paragraphs, unless expressly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art in view of the specific circumstances in combination with common general knowledge in the art, design specifications, standard documents, etc.
The utility model provides an adjustable height longitudinal extension device, including supporting built-in fitting 1, it sets up and leaves sufficient clearance between the adjacent supporting built-in fitting 1 to support built-in fitting 1, the top fixedly connected with height adjustment piece 2 of supporting built-in fitting 1, the top of height adjustment piece 2 is provided with main structure clamp plate 3, be provided with a plurality of adjustable height boards 6 between main structure clamp plate 3 and the height adjustment piece 2, correspond the processing threaded hole on main structure clamp plate 3, adjustable height board 6, height adjustment piece 2, and screw in threaded hole has lockbolt structure 5, behind lockbolt structure 5 screw in height adjustment piece 2, adjustable height board 6, main structure clamp plate 3 with above-mentioned structure connection as an organic whole. The top of the main structure pressing plate 3 is a counter bore, and the top of the lockbolt structure 5 is flush with the top of the main structure pressing plate 3. A waterproof adhesive tape 4 is arranged between the adjacent main structure pressing plates 3, and a clamping tooth opening is arranged at the connecting position of the waterproof adhesive tape 4 and the main structure pressing plates 3.
The supporting embedded part 1 adopts an anchoring device, comprises an anchor ring structure shown in fig. 1 and 2, and can also adopt an anchor plate structure, an embedded bolt structure and the like, and the supporting embedded part has the function of anchoring the whole structure in the main body of the structural concrete safely and reliably.
The main structure pressing plate 3 is a 1-meter standard section, diamond-shaped anti-slip lines are milled on the surface of the main structure pressing plate, bolt holes with counter bore structures are drilled in the main structure pressing plate, and anti-corrosion treatment is carried out on the surface of the main structure pressing plate. For any shaped steel's expansion joint, no matter from surface machining, still from surperficial cladding anti-skidding line, its main advantage is the processing that is convenient for have anti-skidding structure and be convenient for anti-skidding line on equipment, and the precision of drilling is also convenient for later stage's installation and adjustment simultaneously, if damage appears in the back of accomplishing in the installation can also replace in the spare part of stock spare part, realizes quick maintenance.
The height-adjustable plate 6 is a steel plate with a two-to-three-layer structure, and the thickness of the steel plate can be 1mm, 1.5mm and 2mm. The height-adjustable plates 6 can be used for guaranteeing the travelling comfort of travelling by reducing the number of the height-adjustable plates 6 under the condition that the later-stage road surface abrasion reduces the height, and the travelling safety hidden trouble caused by the boss can be reduced.
The waterproof adhesive tape 4 is an upper arch adhesive tape, clamping tooth openings are processed at two ends of the waterproof adhesive tape 4 and are clamped and fixed with the main structure pressing plate 3 at the corresponding position through the structure. The waterproof adhesive tape 4 has the function of enabling the surface of the adhesive tape to be close to the height of a road surface through the upper arch structure, and can effectively prevent slag collection and water accumulation.
Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a but height-adjusting vertical telescoping device, includes support built-in fitting (1), its characterized in that: the anti-loosening embedded part is characterized in that the supporting embedded parts (1) are symmetrically arranged, gaps are reserved between the adjacent supporting embedded parts (1), the tops of the supporting embedded parts (1) are connected with height adjusting blocks (2), the height adjusting blocks (2) are connected with the main structure pressing plates (3) into a whole through locking bolt structures (5), waterproof adhesive tapes (4) are connected between the adjacent main structure pressing plates (3), and two ends of each waterproof adhesive tape (4) are connected with the main structure pressing plates (3) respectively.
2. An adjustable height longitudinal extension and retraction device according to claim 1 wherein: the support embedded part (1) is one of an anchor ring structure, an anchor plate structure and an embedded bolt structure, and is opened at the connection position of the support embedded part (1) and the height adjusting block (2).
3. An adjustable height longitudinal extension and retraction device according to claim 2 wherein: a plurality of adjustable height plates (6) are arranged between the height adjusting block (2) and the main structure pressing plate (3), and the lockbolt structure (5) penetrates through the adjustable height plates (6) and then is connected with the height adjusting block (2).
4. A height adjustable longitudinal extension and retraction device according to claim 3 wherein: the main structure pressing plate (3) is provided with a counter bore for connecting the lockbolt structure (5), and the top surface of the lockbolt structure (5) is flush with the top surface of the main structure pressing plate (3).
5. The adjustable height longitudinal extension and retraction device according to claim 4 wherein: the waterproof adhesive tape (4) is of an upper arch structure, and clamping tooth opening structures connected with the main structure pressing plate (3) are processed at two ends of the waterproof adhesive tape (4).
6. The adjustable height longitudinal extension and retraction device according to claim 5 wherein: the height-adjustable plate (6) is a steel plate with a two-to-three-layer structure.
7. The adjustable height longitudinal extension and retraction device according to claim 6 wherein: the thickness of the steel plate of the height-adjustable plate (6) is one or more of 1mm, 1.5mm and 2mm respectively.
8. An adjustable height longitudinal extension and retraction device according to any one of claims 1 to 7 wherein: the main structure pressing plate (3) is a 1 standard section, and diamond-shaped anti-slip lines are milled on the surface of the main structure pressing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218478.2U CN219824887U (en) | 2023-05-18 | 2023-05-18 | Height-adjustable longitudinal expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218478.2U CN219824887U (en) | 2023-05-18 | 2023-05-18 | Height-adjustable longitudinal expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219824887U true CN219824887U (en) | 2023-10-13 |
Family
ID=88245329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321218478.2U Active CN219824887U (en) | 2023-05-18 | 2023-05-18 | Height-adjustable longitudinal expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219824887U (en) |
-
2023
- 2023-05-18 CN CN202321218478.2U patent/CN219824887U/en active Active
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| GR01 | Patent grant | ||
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