CN209958380U - Double-wall steel suspension box cofferdam cross hanging device - Google Patents
Double-wall steel suspension box cofferdam cross hanging device Download PDFInfo
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- CN209958380U CN209958380U CN201920433762.9U CN201920433762U CN209958380U CN 209958380 U CN209958380 U CN 209958380U CN 201920433762 U CN201920433762 U CN 201920433762U CN 209958380 U CN209958380 U CN 209958380U
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Abstract
The utility model provides a double-walled steel hanging box cofferdam cross cable suspension device, it relates to a cable suspension device, concretely relates to double-walled steel hanging box cofferdam cross cable suspension device. The utility model discloses a solve current double-walled steel hanging box cofferdam and hang construction method, there is cofferdam major structure safety risk height in the work progress, and the construction precision is difficult to control, hangs and installs and tear down long with, economic nature, the relatively poor problem of security. The utility model comprises an inner support and four inner support upper chords, wherein the four inner support upper chords form a rectangular frame body which is horizontally arranged on the inner support; the hanging device further comprises a steel protective cylinder, a cross frame component and a steel plate, wherein the steel protective cylinder is vertically installed on the inner support, the steel protective cylinder is located in the rectangular frame, the cross frame component is arranged in the steel protective cylinder, and the steel plate is horizontally installed on the cross frame component. The utility model belongs to the civil engineering field.
Description
Technical Field
The utility model relates to a cable suspension device, concretely relates to double-walled steel hanging box cofferdam cross cable suspension device belongs to the civil engineering field.
Background
In the hanging construction process of the large-scale double-wall steel suspension box cofferdam, a temporary steel corbel, a transverse beam and a longitudinal beam are usually adopted to add a suspender system, a pile casing is usually higher than the top surface elevation of the cofferdam, the hanging system formed by a jack and a finish-rolled deformed steel bar suspender is adopted, the construction difficulty is high, the construction precision is difficult to control, especially for the construction areas with large tidal water level change and complicated hydrogeology such as frequent typhoon, the traditional construction method has great risk, the occupied construction space is large, and the construction is not facilitated.
To sum up double-walled steel hanging box cofferdam hanging construction method, there are cofferdam major structure safety risk high in the work progress, the construction precision is difficult to control, it is long to hang the ann and tear open and use, economic nature, security are relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current double-walled steel hanging box cofferdam and hang construction method, there is cofferdam major structure safety risk height in the work progress, and the construction precision is difficult to master, and it is long to hang the ann and tear open, economic nature, the relatively poor problem of security, and then provide a double-walled steel hanging box cofferdam cross cable suspension device.
The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be: the hanging device of the utility model comprises an inner support and four inner support upper chords, wherein the four inner support upper chords form a rectangular frame body, and the rectangular frame body is horizontally arranged on the inner support; the hanging device further comprises a steel protective cylinder, a cross frame component and a steel plate, wherein the steel protective cylinder is vertically installed on the inner support, the steel protective cylinder is located in the rectangular frame, the cross frame component is arranged in the steel protective cylinder, and the steel plate is horizontally installed on the cross frame component.
Furthermore, the cross frame assembly comprises a cross main body consisting of four outer pipes and four inner pipes, the inner end of each inner pipe is inserted into the outer end of the corresponding outer pipe, and the outer end of each inner pipe is inserted into a through hole in the inner side wall of the steel casing.
Furthermore, the upper surface of each outer pipe outer end is provided with a plurality of rows of first positioning holes, the upper surface of each inner pipe inner end is provided with a second positioning hole matched with the first positioning holes, and the first positioning holes are connected with the second positioning holes through bolts.
Furthermore, the lower surface of the steel plate is connected with the middle part of the upper surface of the cross main body in a welding mode.
Furthermore, each outer pipe and each inner pipe are cylinders with rectangular cross sections and formed by welding four steel plates.
The hanging method comprises the following specific steps:
step one, forming four through holes on the inner wall of the steel casing at equal intervals along the circumferential direction;
step two, hoisting the cross assembly into the steel casing;
pulling the inner pipe out of the outer pipe, and enabling the outer end of the inner pipe to pass through a corresponding through hole in the inner wall of the steel casing and then to be in lap joint with the upper chord of the inner support;
and step four, after the outer end of the inner pipe is lapped with the upper chord of the inner support, connecting the corresponding first positioning hole and the second positioning hole together by using a bolt.
The utility model has the advantages that: 1. the self-weight load of the cofferdam is transmitted to the cross by the inner support and then transmitted to the pile foundation by the steel casing, the structure is simple, and the stress is clear; 2. the construction process is optimized, the working efficiency is improved, the construction flow is simplified, and meanwhile, the jack of small equipment is saved; 3. the stability of the cofferdam main body is greatly improved, the natural environment influence resistance is improved, the construction period of the conversion of a hanging box cofferdam system is shortened, and the safety and the economy are good; 4. the utility model discloses to hang the load and protect a section of thick bamboo transmission for the pile foundation through the steel, accomplish the system conversion fast. The structural style is reliable, and convenient and fast is torn open in ann, can reduce the typhoon greatly, and special construction environment on water such as the tidal range change is big improves work efficiency when having increased substantially security in the construction to the influence in the work progress. Compared with the traditional transverse beam and longitudinal beam hanger rod system, the cross hanging system is adopted, the use of equipment such as a jack is reduced, the construction process is optimized, the construction period is shortened, and the cost is saved.
Drawings
FIG. 1 is a schematic structural view of the cross-shaped frame assembly of the present invention after being placed in position in a steel casing;
FIG. 2 is a schematic structural view of the present invention after the inner tube is extended out of the outer tube;
fig. 3 is a schematic structural diagram after hanging is completed.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the double-wall steel suspension box cofferdam cross hanging device of the embodiment comprises an inner support 1 and four inner support upper chords 2, wherein the four inner support upper chords 2 form a rectangular frame body, and the rectangular frame body is horizontally arranged on the inner support 1; the steel protection cylinder 3 is vertically installed on the inner support 1, the steel protection cylinder 3 is located in the rectangular frame, the cross assembly 4 is arranged in the steel protection cylinder 3, and the steel plate 5 is horizontally installed on the cross assembly 4.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the cross assembly 4 of the double-wall steel suspension box cofferdam cross hanging device in the embodiment comprises a cross body 4-1 consisting of four outer pipes 4-1-1 and four inner pipes 4-2, wherein the inner end of each inner pipe 4-2 is inserted into the outer end of a corresponding outer pipe 4-1-1, and the outer end of each inner pipe 4-2 is inserted into a through hole on the inner side wall of a steel casing 3. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 3, the upper surface of the outer end of each outer pipe 4-1-1 of the double-wall steel suspension box cofferdam cross hanging device of the embodiment is provided with a plurality of rows of first positioning holes 4-1-2, the upper surface of the inner end of each inner pipe 4-2 is provided with a second positioning hole 4-2-1 matched with the first positioning hole 4-1-2, and the first positioning hole 4-1-2 is connected with the second positioning hole 4-2-1 through a bolt. Other components and connection relationships are the same as those in the second embodiment.
The fourth concrete implementation mode: the embodiment will be described with reference to fig. 1 to 3, and the lower surface of the steel plate 5 of the double-walled steel suspension box cofferdam cross hanging apparatus according to the embodiment is connected to the middle of the upper surface of the cross body 4-1 by welding. Other components and connection relationships are the same as those in the first or second embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 3, and each of the outer pipe 4-1-1 and the inner pipe 4-2 of the double-wall steel suspension box cofferdam cross hanging device of the embodiment is a cylinder with a rectangular cross section formed by welding four steel plates. Other components and connection relationships are the same as those in the second embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 3, and the method for hanging the double-wall steel suspension box cofferdam cross in the embodiment specifically includes the following steps:
step one, forming four through holes on the inner wall of the steel casing 3 at equal intervals along the circumferential direction;
step two, the cross assembly is hung in the steel casing 3;
pulling the inner pipe 4-2 out of the outer pipe 4-1-1, and lapping the outer end of the inner pipe 4-2 with the inner support upper chord 2 after penetrating through a corresponding through hole on the inner wall of the steel casing 3;
and step four, after the outer end of the inner pipe 4-2 is lapped with the upper chord 2 of the inner support, connecting the corresponding first positioning hole 4-1-2 and the corresponding second positioning hole 4-2-1 together by using a bolt.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. A double-wall steel suspension box cofferdam cross hanging device comprises an inner support (1) and four inner support upper chords (2), wherein the four inner support upper chords (2) form a rectangular frame body, and the rectangular frame body is horizontally arranged on the inner support (1); the method is characterized in that: the double-wall steel suspension box cofferdam cross hanging device further comprises a steel protection cylinder (3), a cross frame assembly (4) and a steel plate (5), wherein the steel protection cylinder (3) is vertically installed on the inner support (1), the steel protection cylinder (3) is located in the rectangular frame, the cross frame assembly (4) is arranged in the steel protection cylinder (3), and the steel plate (5) is horizontally installed on the cross frame assembly (4).
2. The hanging device of the double-wall steel suspension box cofferdam cross of claim 1, characterized in that: the cross frame assembly (4) comprises a cross frame main body (4-1) consisting of four outer tubes (4-1-1) and four inner tubes (4-2), the inner end of each inner tube (4-2) is inserted into the outer end of the corresponding outer tube (4-1-1), and the outer end of each inner tube (4-2) is inserted into a through hole in the inner side wall of the steel casing (3).
3. The hanging device of the double-wall steel suspension box cofferdam cross of claim 2, characterized in that: the upper surface of the outer end of each outer pipe (4-1-1) is provided with a plurality of rows of first positioning holes (4-1-2), the upper surface of the inner end of each inner pipe (4-2) is provided with second positioning holes (4-2-1) matched with the first positioning holes (4-1-2), and the first positioning holes (4-1-2) are connected with the second positioning holes (4-2-1) through bolts.
4. The hanging device of double-wall steel suspension box cofferdam cross of claim 1 or 2, characterized in that: the lower surface of the steel plate (5) is connected with the middle part of the upper surface of the cross main body (4-1) in a welding mode.
5. The hanging device of the double-wall steel suspension box cofferdam cross of claim 2, characterized in that: each outer pipe (4-1-1) and each inner pipe (4-2) are cylinders with rectangular cross sections and formed by welding four steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433762.9U CN209958380U (en) | 2019-03-29 | 2019-03-29 | Double-wall steel suspension box cofferdam cross hanging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433762.9U CN209958380U (en) | 2019-03-29 | 2019-03-29 | Double-wall steel suspension box cofferdam cross hanging device |
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| CN209958380U true CN209958380U (en) | 2020-01-17 |
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| CN201920433762.9U Active CN209958380U (en) | 2019-03-29 | 2019-03-29 | Double-wall steel suspension box cofferdam cross hanging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778885A (en) * | 2019-03-29 | 2019-05-21 | 中铁建大桥工程局集团第四工程有限公司 | A kind of double-wall steel cofferdam cross frame hanging device and method |
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2019
- 2019-03-29 CN CN201920433762.9U patent/CN209958380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778885A (en) * | 2019-03-29 | 2019-05-21 | 中铁建大桥工程局集团第四工程有限公司 | A kind of double-wall steel cofferdam cross frame hanging device and method |
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