CN216758781U - Storage tank arch back timber is prefabricated with bed-jig - Google Patents
Storage tank arch back timber is prefabricated with bed-jig Download PDFInfo
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- CN216758781U CN216758781U CN202220302390.8U CN202220302390U CN216758781U CN 216758781 U CN216758781 U CN 216758781U CN 202220302390 U CN202220302390 U CN 202220302390U CN 216758781 U CN216758781 U CN 216758781U
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- jig frame
- jig
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- top beam
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- 238000009417 prefabrication Methods 0.000 claims abstract description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 20
- 239000010959 steel Substances 0.000 description 20
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Abstract
The utility model discloses a storage tank arch top beam prefabricating jig frame which can perform prefabrication of an arch beam on the ground. The jig frame for prefabricating the storage tank arch top beam can perform prefabrication of the arch beam on the ground, and compared with the existing jig frame for installing high-altitude operation, the jig frame for prefabricating the storage tank arch top beam can better control the radian and welding deformation of the arch top beam in ground operation, improve the welding quality of the assembly of the arch top beam, save materials and mechanical investment and save construction cost. The height of the upright post of the storage tank arch top beam prefabricating jig frame is adjustable, and the upright post can stretch up and down, so that the storage tank arch top beam prefabricating jig frame is suitable for arch top beams with different sizes and is more convenient for arch top beam prefabricating.
Description
The technical field is as follows:
the utility model belongs to the field of storage tanks, and particularly relates to a storage tank arch top beam prefabricating jig frame.
Background art:
the vault is the tank top of the vertical cylindrical storage tank, and the structure of the vault is in a segment shape, and the segment structure is mainly formed by connecting a plurality of arch top beams which are bent into segment radii. Due to the large span and high arch height of the arch crown, as shown in fig. 7, the arch top beam 1 is generally manufactured by bending and welding a plurality of H-shaped steels in an assembling way. In the prior art, the arch top beam is manufactured and installed by fully paving scaffolds in a storage tank, erecting a multilayer operation platform to form a jig frame for installation, and then lifting H-shaped steel into the tank to perform assembly welding one by one, so that the danger of construction operation is high, construction operation surfaces are crossed with each other, the process is multiple, and the quality and efficiency of assembly welding of the arch top beam are not easy to control. How to ensure the safety, quality and progress of the arch top beam in the installation process is always the key and difficult point in the storage tank engineering.
The utility model content is as follows:
in order to solve the problems in the prior art, the utility model provides the jig frame for prefabricating the storage tank arch top beam, which avoids high-altitude operation, reduces construction danger, and also improves the assembly welding quality and the construction efficiency of the arch top beam.
The technical scheme of the utility model is as follows:
a storage tank arch top beam prefabricating jig frame comprises 3-6 groups of jig frame units, wherein each jig frame unit comprises a plurality of groups of supports which are sequentially arranged in parallel or in parallel, and the heights of the supports of each group are gradually reduced from the middle part to the two ends; the supports positioned at the two ends of the jig frame unit adopt upright post structures, and the support positioned in the middle of the jig frame unit adopts a horizontal cross rod structure which is connected with two upright posts; the jig frame units have the same structure and are assembled front and back, the positions of the supports between the adjacent jig frame units correspond to each other, and springboards are erected on the cross bars of the two supports corresponding to the middle part to form an operation channel;
the upright column comprises an upper column, a double-end screw and a lower column; the lower end of the upper column is provided with an upper threaded sleeve, and the upper end of the lower column is provided with a lower threaded sleeve; the thread directions of the two ends of the double-head screw are opposite and are respectively matched with the upper thread sleeve and the lower thread sleeve, and a rotating handle is arranged in the middle of the double-head screw.
Preferably, corresponding supports between adjacent jig frame units are connected into a column by adopting cross beams; the groups of brackets of each jig frame unit are connected in a row through a cross beam.
Preferably, the support located in the middle of the jig frame unit is further provided with a stabilizing mechanism, the stabilizing mechanism comprises a first oblique beam and a second oblique beam, the first oblique beam and the second oblique beam are arranged in a crossed mode, the upper ends of the first oblique beam and the second oblique beam are respectively fixedly connected to the upper columns of the two stand columns through fixing sleeves, and the lower ends of the first oblique beam and the second oblique beam are respectively fixedly installed on the lower columns of the two stand columns through connecting sleeves.
Preferably, the upper end of the upright post is also provided with a supporting structure.
Preferably, in the jig frame unit, the interval between adjacent brackets ranges from 6 m to 10 m.
Preferably, the length of the double-end screw in the height adjusting mechanism is 20-40 cm.
Preferably, each group of jig frame units is provided with 4-7 groups of brackets.
Preferably, the jig frame units are provided with 4 groups, and each group of jig frame units is provided with 5 groups of brackets.
Preferably, in the jig frame unit, the heights of the supports at the two ends are 0.5-1 m, and the height of the support at the middle most is 1.5-2 m.
Compared with the prior art, the utility model has the following beneficial effects:
the storage tank arch top beam prefabricating jig frame can perform prefabrication of arch beams on the ground, and compared with the existing installation jig frame, the storage tank arch top beam prefabricating jig frame avoids high-altitude operation and reduces the danger of arch top beam prefabricating engineering.
The jig frame for prefabricating the storage tank arch top beam can perform prefabrication of the arch beam on the ground, and compared with the existing jig frame for installing high-altitude operation, the jig frame for prefabricating the storage tank arch top beam can better control the radian and welding deformation of the arch top beam in ground operation, improve the welding quality of the assembly of the arch top beam, save materials and mechanical investment and save construction cost.
The height of the upright post of the storage tank arch top beam prefabricating jig frame is adjustable, the upright post can stretch up and down, the design can enable the upright post to be better matched with the radian of the arch top beam, and meanwhile, the prefabricating jig frame can be suitable for arch top beams of different specifications and sizes, and the prefabrication of the arch top beams is more convenient.
The jig frame for prefabricating the storage tank arch top beam is provided with a plurality of groups of jig frame units, and the plurality of groups of jig frame units can be used for prefabricating the arch top beam at the same time, so that the construction efficiency is improved. Meanwhile, the utility model can also continuously streamline the prefabricated arch top beam, further improving the construction efficiency.
Drawings
FIG. 1 is a schematic structural view of a jig for prefabrication according to the present invention;
FIG. 2 is a schematic top view of a prefabrication jig of the utility model;
FIG. 3 is a schematic view of the operation passage in the jig for prefabrication according to the present invention;
FIG. 4 is a schematic view of the structure of the column of the present invention;
FIG. 5 is a schematic view of the assembly process of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic view of a tank arch cap configuration;
wherein, 1-a storage tank arch top beam; 11-first H-section steel; 12-a second H-section steel; 13-third H-section steel; 14-fourth H-section steel; 2-a scaffold; 21-a first scaffold; 22-a second support; 23-a third scaffold; 24-a fourth scaffold; 25-a fifth scaffold; 3-a cross bar; 4-upright post; 41-column loading; 42-double-ended screw; 43-lower column; 44-a rotating handle; 45-screwing on a threaded sleeve; 46-lower thread insert; 5-springboard; 6-a support structure; 7-stabilizing mechanism.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 and 2, the storage tank arch top beam prefabricating jig frame of the embodiment includes four sets of jig frame units, each set of jig frame unit includes five sets of sequentially parallel supports, and the bottom of each support is provided with a stabilizing assembly and fixedly mounted on the ground. The heights of five groups of supports in each group of jig frame units are gradually reduced from the middle part to two ends, and the design can be better matched with the radian of the storage tank arch top beam; the supports positioned at the two ends of the jig frame unit adopt upright post structures, and the support positioned in the middle of the jig frame unit adopts a horizontal cross rod structure which is connected with two upright posts; the upright column comprises an upper column, a double-end screw and a lower column; the lower end of the upper column is provided with an upper threaded sleeve, and the upper end of the lower column is provided with a lower threaded sleeve; the thread directions of the two ends of the double-head screw are opposite and are respectively matched with the upper thread sleeve and the lower thread sleeve, and a rotating handle is arranged in the middle of the double-head screw. The design can enable the height of the upright post to be adjustable so as to meet the prefabrication requirements of arch top beams with different specifications and sizes.
The jig frame units are identical in structure and are assembled front and back, the positions of the supports between the adjacent jig frame units correspond to each other, and springboards are erected on the cross rods of the two supports corresponding to the middle of the supports to form an operation channel.
During construction, workers stand on the operation channel to weld the H-shaped steel in an assembly mode, high-altitude operation is avoided, the danger of the arch top beam prefabrication project is reduced, meanwhile, the radian and the welding deformation of the arch top beam can be better controlled when the workers are close to the ground, the assembly welding quality of the arch top beam is improved, material and mechanical investment can be saved, and construction cost is saved.
Example two:
in the embodiment, the storage tank arch top beam prefabricating jig disclosed by the utility model is used for prefabricating the arch top beam, the total length of the target arch top beam is about 40m, and four H-shaped steel pairs are required to be welded to form the target arch top beam. As shown in fig. 1 to 3, the jig for prefabrication in this example includes four sets of jig units, and the interval between adjacent jig units is in the range of 0.5 to 1 m. The jig frame unit comprises five groups of supports which are arranged in parallel, and the interval range between adjacent supports in the jig frame unit is 6-10 m. The height of each group of supports is gradually reduced from the middle part to the two ends, the height of the two groups of supports at the two ends is 0.5m, and the heights of the three groups of supports at the middle part are 1.75m, 2m and 1.75m in sequence. The first support 21 and the fifth support 25 at the two ends adopt the upright post 4, and are respectively and correspondingly arranged at the head end of the first H-shaped steel 11 and the tail end of the fourth H-shaped steel 14. The three groups of supports positioned in the middle of the jig frame unit adopt two upright posts 4 and a horizontal cross rod 3 for connecting the two upright posts 4 and are respectively arranged at the welding positions of the H-shaped steel assembly. Wherein, the second bracket 22 is arranged at the assembly welding position of the first H-shaped steel 11 and the second H-shaped steel 12, the third bracket 23 is arranged at the assembly welding position of the second H-shaped steel 12 and the third H-shaped steel 13, and the fourth bracket 24 is arranged at the assembly welding position of the third H-shaped steel 13 and the fourth H-shaped steel 14.
The jig frame units are identical in structure and are assembled front and back, the positions of the supports between the adjacent jig frame units correspond to each other, and as shown in fig. 3, springboards 5 are erected on the cross rods 3 of the two supports corresponding to the middle of the two supports to form an operation channel.
As shown in fig. 4 and 5, the column includes an upper column 41, a double-headed screw 42, and a lower column 43; the lower end of the upper column 41 is provided with an upper threaded sleeve 45, and the upper end of the lower column 43 is provided with a lower threaded sleeve 46; the thread directions of the two ends of the double-thread screw 42 are opposite and are respectively matched with the upper thread sleeve and the lower thread sleeve, a rotating handle 44 is arranged in the middle of the double-thread screw 42, and the length of the double-thread screw 42 is 20-40 cm in the embodiment. The upper end of each upright post is also provided with a supporting structure 6 for supporting the arched top beam.
Before the construction, through rotatory double threaded screw of rotatory handle, adjust the height of stand for the cooperation that the stand can be better has the arch back timber of certain radian. The schematic diagram of the second support and the arched top beam in cooperation is shown in fig. 6, and the worker can raise the height of the right side upright in the support 2 by adjusting the stud bolts, so that the support structure 6 of the left and right side uprights can better support the first H-shaped steel 11 and the second H-shaped steel 12 correspondingly. Meanwhile, the design also enables the prefabrication jig frame to be suitable for prefabricating arch top beams with various specifications and sizes. After the height of the upright post is adjusted, the horizontal cross rod is fixedly installed and a gangboard is erected to form an operation channel. As shown in fig. 5, when the construction is performed, a worker stands on the operation channel to perform assembly welding on the H-shaped steel, so that high-altitude operation is avoided, the danger of the arch top beam prefabrication project is reduced, the radian and the welding deformation of the arch top beam can be better controlled by working close to the ground, the assembly welding quality of the arch top beam is improved, material and mechanical investment can be saved, and the construction cost is saved.
Example three:
the embodiment is further designed in that corresponding supports between adjacent jig frame units are connected into a column by adopting cross beams; the supports of each group of the jig frame units are connected in a row through the cross beams, and the design connects the adjacent supports to further stabilize the support structure.
Example four:
the further design of this embodiment is that, as shown in fig. 1 and fig. 3, the support located in the middle of the jig frame unit is further provided with a stabilizing mechanism 7, the stabilizing mechanism includes a first oblique beam and a second oblique beam, the first oblique beam and the second oblique beam are arranged in a crossing manner, the upper ends of the first oblique beam and the second oblique beam respectively fixedly connect the cross rod to the upper columns of the two upright columns through fixing sleeves, and the lower ends of the first oblique beam and the second oblique beam are respectively fixedly installed on the lower columns of the two upright columns through connecting sleeves. Before the construction, after horizontal pole fixed mounting is accomplished, at horizontal pole below installation stabilizing mean, further firm support.
Claims (9)
1. The utility model provides a prefabricated bed-jig of using of storage tank arch back timber which characterized in that: the device comprises 3-6 groups of jig frame units, wherein each jig frame unit comprises a plurality of groups of supports which are sequentially arranged in parallel or in parallel, and the heights of the supports of each group are gradually reduced from the middle part to the two ends; the supports positioned at the two ends of the jig frame unit adopt upright post structures, and the support positioned in the middle of the jig frame unit adopts a horizontal cross rod structure which is connected with two upright posts; the jig frame units have the same structure and are assembled front and back, the positions of the supports between the adjacent jig frame units correspond to each other, and springboards are erected on the cross bars of the two supports corresponding to the middle part to form an operation channel;
the upright column comprises an upper column, a double-end screw and a lower column; the lower end of the upper column is provided with an upper threaded sleeve, and the upper end of the lower column is provided with a lower threaded sleeve; the thread directions of the two ends of the double-head screw are opposite and are respectively matched with the upper thread sleeve and the lower thread sleeve, and a rotating handle is arranged in the middle of the double-head screw.
2. The storage tank arch top beam prefabrication jig frame as set forth in claim 1, wherein: corresponding supports between adjacent jig frame units are connected into a row by adopting cross beams; the groups of brackets of each jig frame unit are connected in a row through a cross beam.
3. The storage tank arch top beam prefabrication jig as set forth in claim 2, wherein: the support that is located the bed-jig unit middle part still sets stabilizing mean, stabilizing mean includes first sloping and second sloping, first sloping and second sloping cross arrangement, and the upper end of first sloping and second sloping is respectively through fixed cover with horizontal pole fixed connection on the upper prop of two stands, and the lower extreme of first sloping and second sloping adopts the adapter sleeve fixed mounting respectively on the lower prop of two stands.
4. The jig frame for prefabricating the storage tank arch top beam as claimed in any one of claims 1 to 3, wherein: the stand upper end still sets bearing structure.
5. The storage tank arch top beam prefabrication jig as set forth in claim 4, wherein: in the jig frame unit, the interval range between adjacent supports is 6-10 m.
6. The storage tank arch top beam prefabrication jig frame as set forth in claim 4, wherein: the length of the double-end screw in the height adjusting mechanism is 20-40 cm.
7. The storage tank arch top beam prefabrication jig frame as set forth in claim 4, wherein: each group of jig frame units is provided with 4-7 groups of supports.
8. The storage tank arch top beam prefabrication jig of claim 7, characterized in that: the bed-jig unit is equipped with 4 groups, and every group bed-jig unit is equipped with 5 groups of supports.
9. The storage tank arch top beam prefabrication jig frame as set forth in claim 1, wherein: in the jig frame unit, the height of the supports at two ends is 0.5-1 m, and the height of the support at the middle is 1.5-2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220302390.8U CN216758781U (en) | 2022-02-15 | 2022-02-15 | Storage tank arch back timber is prefabricated with bed-jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220302390.8U CN216758781U (en) | 2022-02-15 | 2022-02-15 | Storage tank arch back timber is prefabricated with bed-jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216758781U true CN216758781U (en) | 2022-06-17 |
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ID=81956697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220302390.8U Active CN216758781U (en) | 2022-02-15 | 2022-02-15 | Storage tank arch back timber is prefabricated with bed-jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216758781U (en) |
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2022
- 2022-02-15 CN CN202220302390.8U patent/CN216758781U/en active Active
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