CN212688688U - Trestle expansion joint expansion device - Google Patents
Trestle expansion joint expansion device Download PDFInfo
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- CN212688688U CN212688688U CN202021291523.3U CN202021291523U CN212688688U CN 212688688 U CN212688688 U CN 212688688U CN 202021291523 U CN202021291523 U CN 202021291523U CN 212688688 U CN212688688 U CN 212688688U
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Abstract
The application provides a landing stage expansion joint telescoping device belongs to landing stage technical field. The telescopic device for the expansion joint of the trestle comprises a first embedded part, a second embedded part, first angle steel, second angle steel and a first baffle plate. The first embedded part is used for being embedded in a first bridge deck on one side of the expansion joint of the trestle. The second embedded part is used for being embedded in a second bridge deck on the other side of the expansion joint of the trestle in advance. The first angle steel is fixed to the first embedded part. The second angle steel is fixed to the second embedded part, and a first gap exists between the first embedded part and the second embedded part. The first baffle plate is located on the upper sides of the first angle steel and the second angle steel to cover the first gap, one end of the first baffle plate is fixed to the first angle steel, and the other end of the first baffle plate is placed on the second angle steel. The trestle expansion joint expansion device adopting the structure improves the stability between the device and the bridge deck, and avoids the phenomena of falling and deformation of the trestle expansion joint expansion device under long-time use, thereby improving the durability.
Description
Technical Field
The application relates to the technical field of trestle bridges, in particular to a trestle bridge expansion joint expansion device.
Background
Along with the development of social economy and the improvement of living standard of people, the urban green road plays a vital role in living and leisure of people. People walk in the scene, such as in a picture. The urban green roads over fifty thousand kilometers exist in China, and the urban green roads are connected with urban natural landscape humanity in series to serve people for leisure, recreation and body building, promote urban and rural green coordinated development, and enable people to share ecological civilization construction results. Wherein, the landing stage is important component in the construction of green way, avoids excavating and filling through setting up the landing stage, reduces the disturbance to the nature. But the expansion joint department of current landing stage adopts the steel sheet to lay usually, and the one end of steel sheet is passed through the angle steel and is connected in the decking of landing stage, and the other end disconnection of steel sheet, the landing stage expansion joint telescoping device of this kind of structure often can appear the phenomenon that the steel sheet warp or angle steel and decking break away from under long-time use to reduce landing stage expansion joint telescoping device's life and durability, and then make landing stage have huge potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a landing stage expansion joint telescoping device to improve the relatively poor problem of current landing stage expansion joint telescoping device's durability.
In a first aspect, an embodiment of the application provides a telescopic device for a trestle expansion joint, which comprises a first embedded part, a second embedded part, a first angle steel, a second angle steel and a first baffle plate; the first embedded part is used for being embedded in a first bridge deck at one side of the expansion joint of the trestle; the second embedded part is used for being embedded in a second bridge deck on the other side of the trestle expansion joint in advance; the first angle steel is fixed to the first embedded part; the second angle steel is fixed to the second embedded part, and a first gap is formed between the first embedded part and the second embedded part; the first baffle plate is located on the upper sides of the first angle steel and the second angle steel to cover the first gap, one end of the first baffle plate is fixed to the first angle steel, and the other end of the first baffle plate is placed on the second angle steel.
In the technical scheme, one end of the first baffle plate is fixed on the first angle steel, and the other end of the first baffle plate is placed on the second angle steel, so that the expansion joint of the trestle is covered, and the passing comfort level of the vehicle is guaranteed. Wherein, first angle steel is connected in first decking through first built-in fitting, first built-in fitting is pre-buried in first decking, and the second angle steel passes through the second built-in fitting and connects in second decking, the second built-in fitting is pre-buried in second decking, the landing stage expansion joint telescoping device that has this kind of structure has improved the steadiness between device and the decking, the phenomenon that landing stage expansion joint telescoping device appears droing and warp under long-time use has been avoided, thereby the life and the durability of landing stage expansion joint telescoping device have been improved.
In addition, the landing stage expansion joint telescoping device that this application embodiment provided still has following additional technical characterstic:
further, the first embedded part comprises a first rectangular part; the first angle steel is reversely buckled on the first rectangular part.
In the technical scheme, the first rectangular part is arranged on the first embedded part, and the first angle steel is reversely buckled on the first rectangular part, so that the connecting surface between the first embedded part and the first angle steel is increased, and the firmness of the first embedded part between the first angle steel is improved.
Further, the first embedded part further comprises a first extending part and at least one first hook part; the first extending part extends from the first rectangular part to a direction far away from the second embedded part; the first hook part is fixed on the first extending part.
In the technical scheme, the first hook part is connected to the first rectangular part through the first extending part, and the action surface of the first embedded part and the first bridge deck can be increased by arranging at least one first hook part on the first embedded part, so that the first embedded part is prevented from being separated from the first bridge deck plate under long-time use, and the connection strength between the first embedded part and the first bridge deck plate is further enhanced.
Further, the second embedded part comprises a second rectangular part; the second angle steel is reversely buckled on the second rectangular part.
In the technical scheme, the second rectangular part is arranged on the second embedded part, and the second angle steel is reversely buckled on the second rectangular part, so that the connecting surface between the second embedded part and the second angle steel is increased, and the firmness of the second embedded part between the second angle steel is improved.
Further, the second embedded part also comprises a second extending part and at least one second hook part; the second extending part extends from the second rectangular part to the direction far away from the first embedded part; the second hook part is fixed on the second extending part.
In the technical scheme, the action surface of the second embedded part and the second bridge deck can be increased by arranging the at least one second hook part on the second embedded part, so that the second embedded part is prevented from being separated from the second bridge deck under long-term use, and the connection strength between the second embedded part and the second bridge deck is further enhanced.
Further, the number of the first embedded parts is multiple; the first embedded parts are arranged at intervals along the length direction of the first angle steel.
In the technical scheme, the plurality of first embedded parts are arranged along the length direction of the first angle steel, the first angle steel is fixed in the plurality of first embedded parts, and the plurality of first embedded parts are all pre-embedded in the first bridge deck, so that the firmness between the first angle steel and the first bridge deck is strengthened, and the durability of the expansion joint expansion device of the trestle is further improved.
Further, a plurality of second embedded parts are provided; and the plurality of second embedded parts are arranged at intervals along the length direction of the second angle steel.
In the technical scheme, the plurality of second embedded parts are arranged along the length direction of the second angle steel, the second angle steel is fixed in the plurality of second embedded parts, and the plurality of second embedded parts are all pre-embedded in the second bridge deck, so that the firmness between the second angle steel and the second bridge deck is strengthened, and the durability of the expansion joint expansion device of the trestle is further improved.
Furthermore, the telescopic device for the expansion joint of the trestle also comprises a second baffle plate; the second baffle plate is connected to the second angle steel, one end of the second baffle plate abuts against the second bridge deck, a second gap is formed between the second baffle plate and the first baffle plate, and the upper surface of the second baffle plate is flush with the upper surface of the second bridge deck.
In the technical scheme, the second baffle plate is arranged on the second angle steel, one end of the second baffle plate is abutted to the second bridge deck plate, the upper surface of the second baffle plate is flush with the upper surface of the second bridge deck plate, the edges and corners of the second bridge deck plate can be protected, the edges and corners of the second bridge deck plate are prevented from being rolled for a long time or damaged by treading, and the later maintenance cost of the trestle is reduced. In addition, a second gap is reserved between the first shielding plate and the second shielding plate to enable the first bridge deck and the second bridge deck to stretch.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural view of a trestle expansion joint expansion device according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a first embedment shown in FIG. 1;
fig. 3 is a schematic structural diagram of a second embedded part shown in fig. 1.
Icon: 200-trestle expansion joint expansion device; 10-a first embedded part; 11-a first rectangular portion; 12-a first extension; 13-a first hook portion; 20-a second embedded part; 21-a second rectangular portion; 22-a second extension; 23-a second hook portion; 30-first angle steel; 40-second angle steel; 50-a first shutter; 60-a first deck slab; 70-a second deck slab; 80-a first gap; 90-a second shutter; 100-second gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Examples
The embodiment of the application provides a landing stage expansion joint telescoping device 200, and it can improve the poor and short problem of life of current landing stage expansion joint telescoping device 200 durability, explains the concrete structure of landing stage expansion joint telescoping device 200 in detail below with the accompanying drawings.
As shown in fig. 1, the trestle expansion joint expansion device 200 includes a first embedded part 10, a second embedded part 20, a first angle steel 30, a second angle steel 40 and a first baffle 50. The first embedded part 10 is used for being embedded in a first bridge deck 60 at one side of the expansion joint of the trestle. The second embedded part 20 is used for being embedded in a second bridge deck 70 on the other side of the expansion joint of the trestle. The first angle bar 30 is fixed to the first embedment 10. The second angle iron 40 is fixed to the second embedded part 20, and a first gap 80 exists between the first embedded part 10 and the second embedded part 20. The first shielding plate 50 is located at the upper sides of the first angle steel 30 and the second angle steel 40 to cover the first gap 80, one end of the first shielding plate 50 is fixed to the first angle steel 30, and the other end of the first shielding plate 50 is overlapped on the second angle steel 40.
Wherein, the one end butt of first shielding plate 50 in first decking 60, and the upper surface parallel and level of first decking 50 and the upper surface of first decking 60 to prevent to have the transition ladder between first decking 60 and the first shielding plate 50, thereby avoided the edges and corners of first decking 60 to be in long-time rolling or trample down the damage, and then reduced the later maintenance cost of landing stage.
Illustratively, the first embedded part 10 and the second embedded part 20 are both steel bars, and the first shielding plate 50 is a steel plate. The connection mode of the first baffle plate 50 and the first angle steel 30, the connection mode of the first angle steel 30 and the first embedded part 10, and the connection mode of the second angle steel 40 and the second embedded part 20 are all welding. In other embodiments, the first shielding plate 50 and the first angle steel 30, the first angle steel 30 and the first embedded part 10, and the second angle steel 40 and the second embedded part 20 can be connected by bolts and screws.
It should be noted that the first gap 80 is a trestle expansion joint, and is located between the first bridge deck 60 and the second bridge deck 70.
In this embodiment, as shown in fig. 1 and 2, the first embedded part 10 includes a first rectangular portion 11. The first angle bar 30 is inverted to the first rectangular portion 11. By arranging the first rectangular part 11 on the first embedded part 10 and inversely buckling the first angle steel 30 on the first rectangular part 11, the connection surface between the first embedded part 10 and the first angle steel 30 is increased, and the firmness of the first embedded part 10 between the first angle steel 30 is improved.
Further, the first embedment 10 further includes a first extension portion 12 and at least one first hook portion 13. The first extending portion 12 extends from the first rectangular portion 11 in a direction away from the second embedded part 20. The first hook portion 13 is fixed to the first extension portion 12.
The first hook part 13 is connected to the first rectangular part 11 through the first extending part 12, and the acting surface of the first embedded part 10 and the first bridge deck can be increased by arranging at least one first hook part 13 on the first embedded part 10, so that the first embedded part 10 is prevented from being separated from the first bridge deck 60 in long-time use, and the connection strength between the first embedded part 10 and the first bridge deck 60 is further enhanced.
The first rectangular portion 11, the first extending portion 12 and the first hook portion 13 are of an integrated structure. In other embodiments, the first rectangular portion 11, the first extending portion 12 and the first hook portion 13 may also be a split structure, and the first rectangular portion 11, the first extending portion 12 and the first hook portion 13 are connected by welding or bolt and bolt.
The first hook portion 13 may be one, two, three, four, etc. Illustratively, as shown in fig. 2, the number of the first hook portions 13 is two.
In this embodiment, there are a plurality of first embedded parts 10, and the plurality of first embedded parts 10 are arranged at intervals along the length direction of the first angle bar 30. A plurality of first built-in fitting 10 are all pre-buried in first decking 60, and first angle steel 30 back-off is on a plurality of first built-in fitting 10 to weld with every first built-in fitting 10, thereby strengthened the fastness between first angle steel 30 and the first bridge floor, and then improved trestle expansion joint telescoping device 200's durability.
In this embodiment, as shown in fig. 1 and 3, the second embedded part 20 includes a second rectangular portion 21, and the second angle iron 40 is reversely buckled to the second rectangular portion 21. The second rectangular parts 21 are arranged on the second embedded parts 20, and the second angle steels 40 are reversely buckled on the second rectangular parts 21, so that the connecting surfaces between the second embedded parts 20 and the second angle steels 40 are increased, and the firmness of the second embedded parts 20 between the second angle steels 40 is improved.
Further, the second embedment 20 also includes a second extension 22 and at least one second hook portion 23. The second extending portion 22 extends from the second rectangular portion 21 in a direction away from the first embedded part 10, and the second hook portion 23 is fixed to the second extending portion 22.
One end of the second extending part 22 is connected to the second rectangular part 21, the second hook part 23 is connected with the second rectangular part 21 through the second extending part 22, and the acting surface of the second embedded part 20 and the second bridge deck can be increased by arranging at least one second hook part 23 on the second embedded part 20, so that the second embedded part 20 is prevented from being separated from the second bridge deck 70 under long-term use, and the connection strength between the second embedded part 20 and the second bridge deck 70 is further enhanced.
The second rectangular portion 21, the second extending portion 22 and the second hook portion 23 are of an integral structure. In other embodiments, the second rectangular portion 21, the second extending portion 22 and the second hook portion 23 may also be a split structure, and the second rectangular portion 21, the second extending portion 22 and the second hook portion 23 are connected by welding, bolt, or the like.
The second hook portion 23 may be one, two, three, four, etc. Illustratively, as shown in fig. 3, the number of the second hook portions 23 is two.
In this embodiment, there are a plurality of second embedded parts 20, and the plurality of second embedded parts 20 are arranged at intervals along the length direction of the second angle iron 40. The second embedded parts 20 are all pre-embedded in the second bridge deck 70, the second angle steels 40 are reversely buckled on the second embedded parts 20 and are welded with each second embedded part 20, firmness between the second angle steels 40 and the second bridge deck is strengthened, and durability of the trestle expansion joint expansion device 200 is improved.
Optionally, as shown in fig. 1, the trestle expansion joint expansion device 200 further includes a second shielding plate 90. The second shielding plate 90 is connected to the second angle iron 40, one end of the second shielding plate 90 abuts against the second bridge deck 70, a second gap 100 is formed between the second shielding plate 90 and the first shielding plate 50, and the upper surface of the second shielding plate 90 is flush with the upper surface of the second bridge deck 70.
Be provided with second shielding plate 90 on second angle steel 40, and the one end butt of second shielding plate 90 in second decking 70 to make the upper surface of second shielding plate 90 and the upper surface parallel and level of second decking 70, thereby can protect the edges and corners of second decking 70, avoid the edges and corners of second decking 70 to be in long-time rolling or trample down the damage, and then reduced the later maintenance cost of landing stage. In addition, a second gap 100 is reserved between the first shielding plate 50 and the second shielding plate 90, so that the first bridge deck 60 and the second bridge deck 70 can extend and retract.
Illustratively, the second shielding plate 90 is a steel plate. The second shielding plate 90 is fixed to the upper surface of the second angle iron 40 by welding, in other embodiments, the second shielding plate 90 and the second angle iron 40 may also be connected by other methods, for example, the second shielding plate 90 is fixed to the second angle iron 40 by bolts, screws, or clamping.
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 (8)
1. The utility model provides a landing stage expansion joint telescoping device which characterized in that includes:
the first embedded part is used for being embedded in a first bridge deck at one side of the expansion joint of the trestle;
the second embedded part is used for being embedded in a second bridge deck on the other side of the trestle expansion joint in advance;
the first angle steel is fixed on the first embedded part;
the second angle steel is fixed on the second embedded part, and a first gap is formed between the first embedded part and the second embedded part; and
the first baffle plate is located on the upper sides of the first angle steel and the second angle steel to cover the first gap, one end of the first baffle plate is fixed to the first angle steel, and the other end of the first baffle plate is placed on the second angle steel.
2. The telescopic device for expansion joints of trestle bridges of claim 1, wherein the first embedded part comprises a first rectangular part;
the first angle steel is reversely buckled on the first rectangular part.
3. The telescopic device for expansion joints of trestle bridges of claim 2, wherein the first embedded part further comprises a first extension part and at least one first hook part;
the first extending part extends from the first rectangular part to a direction far away from the second embedded part;
the first hook part is fixed on the first extending part.
4. The telescopic device for expansion joints of trestle bridges of claim 1, wherein the second embedded part comprises a second rectangular part;
the second angle steel is reversely buckled on the second rectangular part.
5. The telescopic device for expansion joints of trestle bridges of claim 4, wherein the second embedded part further comprises a second extension part and at least one second hook part;
the second extending part extends from the second rectangular part to the direction far away from the first embedded part;
the second hook part is fixed on the second extending part.
6. The telescopic device for expansion joints of trestle bridges of claim 1, wherein the number of the first embedded parts is multiple;
the first embedded parts are arranged at intervals along the length direction of the first angle steel.
7. The telescopic device for expansion joints of trestle bridges of claim 1, wherein the number of the second embedded parts is multiple;
and the plurality of second embedded parts are arranged at intervals along the length direction of the second angle steel.
8. The telescopic device for expansion joints of trestle bridges of any one of claims 1 to 7, further comprising a second shielding plate;
the second baffle plate is connected to the second angle steel, one end of the second baffle plate abuts against the second bridge deck, a second gap is formed between the second baffle plate and the first baffle plate, and the upper surface of the second baffle plate is flush with the upper surface of the second bridge deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021291523.3U CN212688688U (en) | 2020-07-02 | 2020-07-02 | Trestle expansion joint expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021291523.3U CN212688688U (en) | 2020-07-02 | 2020-07-02 | Trestle expansion joint expansion device |
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| Publication Number | Publication Date |
|---|---|
| CN212688688U true CN212688688U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021291523.3U Active CN212688688U (en) | 2020-07-02 | 2020-07-02 | Trestle expansion joint expansion device |
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| CN (1) | CN212688688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115976933A (en) * | 2022-12-15 | 2023-04-18 | 保利长大工程有限公司 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
-
2020
- 2020-07-02 CN CN202021291523.3U patent/CN212688688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115976933A (en) * | 2022-12-15 | 2023-04-18 | 保利长大工程有限公司 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
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Address after: No. 928, yuhangtang Road, Xihu District, Hangzhou City, Zhejiang Province 310031 Patentee after: Zhejiang shuzhijiaoyuan Technology Co.,Ltd. Address before: No. 928, yuhangtang Road, Xihu District, Hangzhou City, Zhejiang Province 310031 Patentee before: ZHEJIANG PROVINCIAL INSTITUTE OF COMMUNICATIONS PLANNING DESIGN & RESEARCH Co.,Ltd. |