CN220351531U - Adjusting device for high-altitude accurate installation of large-scale steel laminated beam - Google Patents
Adjusting device for high-altitude accurate installation of large-scale steel laminated beam Download PDFInfo
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- CN220351531U CN220351531U CN202321700414.6U CN202321700414U CN220351531U CN 220351531 U CN220351531 U CN 220351531U CN 202321700414 U CN202321700414 U CN 202321700414U CN 220351531 U CN220351531 U CN 220351531U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 167
- 239000010959 steel Substances 0.000 title claims abstract description 167
- 238000009434 installation Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The utility model relates to an adjusting device for high-altitude accurate installation of a large-scale steel laminated beam, which comprises an upper steel beam and a lower steel beam, wherein a lifting lug is arranged at the top of the upper steel beam; the lifting device is sleeved outside the upper steel beam and the lower steel beam; set up the jack between hoisting device and the upper portion girder steel, drive the lower part girder steel through jack lifting device and promote, make lower part girder steel and upper portion girder steel deformation coordination, ensure the bolt accuracy of registering of upper portion girder steel and lower part girder steel. The utility model ensures the high-altitude butt-joint installation precision of the left and right upper steel beams and the high-altitude installation precision of the upper steel beams and the lower steel beams, and improves the bolt butt-joint ratio of the upper steel beams and the lower steel beams; the utility model provides a convenient stoplog segmentation installation to alleviate hoist and mount weight.
Description
Technical Field
The utility model relates to the field of steel structure construction, in particular to an adjusting device for high-altitude accurate installation of a large-scale steel laminated beam.
Background
With the continuous development of steel structures, the large-sized steel laminated beam serving as a main component of the structure has the characteristics of overlength, ultra-wide, overweight and the like. The traditional mounting mode is used for transporting the large-sized stoplog in blocks, splicing is carried out on the field ground, and finally, the large-sized stoplog is integrally hoisted, but because the large-sized stoplog is large in size, heavy in weight and high in hoisting height, the requirements on hoisting equipment and field environment are severe, and the construction cost is high. The second installation mode divides the large-scale stoplog into upper and lower two parts girder steel, carries out pre-arching at the mill, field block installation, high altitude assembly, but because the rigidity difference of upper and lower parts girder steel is too big, the deformation difference of upper and lower two parts girder steel under the action of gravity is too big, the technical requirement on factory pre-arching is higher, the installation can not reach the precision of design requirement, certain potential safety hazard exists in the structure, and the great difficulty brought to field installation is presented. The third installation mode is to arrange a supporting jig frame on site, and to place the large-scale stop-beam section on the jig frame for high-altitude assembly, so that the construction precision is ensured, but the construction cost is high, and the requirements on site environment are high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides the adjusting device for high-altitude accurate installation of the large-scale steel laminated beam, solves the problems of heavy integral hoisting weight and insufficient block hoisting precision, reduces the construction difficulty, reduces the construction cost and ensures the safety of the structure.
In order to solve the technical problems, the utility model is realized as follows:
an adjusting device for high-altitude accurate installation of a large-scale steel laminated beam comprises an upper steel beam and a lower steel beam, wherein a lifting lug is arranged at the top of the upper steel beam; the method is characterized in that: the lifting device is sleeved outside the upper steel beam and the lower steel beam; set up the jack between hoisting device and the upper portion girder steel, drive the lower part girder steel through jack lifting device and promote, make lower part girder steel and upper portion girder steel deformation coordination, ensure the bolt accuracy of registering of upper portion girder steel and lower part girder steel.
A adjusting device for high altitude accurate installation of large-scale steel folded beam, its characterized in that: the upper steel beams comprise a left upper steel beam and a right upper steel beam, which are butted through end plates and fixed through bolts.
A adjusting device for high altitude accurate installation of large-scale steel folded beam, its characterized in that: the leveling device comprises a leveling plate which is arranged at the lower parts of the left upper steel beam and the right upper steel beam and used for correcting levelness of the leveling plate.
A adjusting device for high altitude accurate installation of large-scale steel folded beam, its characterized in that: the lifting device comprises a lifting frame, an upper connecting angle steel and a lower connecting angle steel, wherein the lifting frame is connected with the upper steel beam through bolts, and the lifting frame is connected with the lower steel beam through bolts.
A adjusting device for high altitude accurate installation of large-scale steel folded beam, its characterized in that: the lifting frame is a rectangular frame which is formed by splicing section steel and stiffening plates.
A adjusting device for high altitude accurate installation of large-scale steel folded beam, its characterized in that: the bolt hole of upper portion angle steel adopts the slotted hole, and the bolt hole of lower part angle steel adopts ordinary bolt hole.
The beneficial effects of the utility model are as follows: according to the technical scheme, the adjusting device for high-altitude accurate installation of the large-scale steel laminated beam comprises an upper steel beam and a lower steel beam, wherein the top of the upper steel beam is provided with a lifting lug; the lifting device is sleeved outside the upper steel beam and the lower steel beam; a jack is arranged between the lifting device and the upper steel beam, the lifting device is lifted by the jack to drive the lower steel beam to lift, so that the lower steel beam and the upper steel beam are in deformation coordination, and the bolt alignment precision of the upper steel beam and the lower steel beam is ensured;
the leveling device can ensure the high-altitude butt-joint installation precision of the left and right upper steel beams; the lifting device can ensure the high-altitude installation precision of the upper steel beam and the lower steel beam, and improve the bolt hole aligning rate of the upper steel beam and the lower steel beam; the method is convenient for sectional installation of the stopbeam so as to reduce the hoisting weight;
compared with the traditional field integral hoisting scheme, the device is convenient for high-altitude sectional installation of the large-scale stoplog, reduces hoisting weight, can adopt a crane with smaller tonnage, and has low dependence on hoisting equipment and field hoisting environment;
compared with the construction scheme of factory pre-arching, block assembly and integral hoisting, the device has lower requirements on the processing technology of factories and higher on-site high-altitude installation precision, so that the components can meet the design requirements, and the installation precision is ensured;
compared with the on-site setting of the jig frame support, the device has the advantages of small steel consumption, reduced construction measures, reduced construction difficulty and reduced construction cost;
the device has strong applicability, can be suitable for field high-altitude installation of various large-scale stopbeams, and can be copied, customized, recycled and popularized;
the device has the advantages of simple structure, small steel consumption, easy operation and effective improvement of the field installation efficiency of the large-scale stopbeam.
Drawings
The utility model is described in further detail below with reference to the attached drawings and embodiments:
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is an upper schematic view of the lifting device of the present utility model;
fig. 4 is a lower schematic view of the lifting device of the present utility model.
The reference numerals are explained as follows:
1. left upper steel beam; 2. right upper steel beam; 3. a lower steel girder; 4. lifting the frame; 5. a jack; 6. the upper part is connected with angle steel; 7. a leveling plate; 8. lifting lugs; 9. an end plate; 10. a bolt; 11. the lower part is connected with angle steel; 12. section steel; 13. and (5) stiffening the plate.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the claimed utility model.
As shown in fig. 1-4: an adjusting device for high-altitude accurate installation of a large-scale steel laminated beam comprises an upper steel beam and a lower steel beam, wherein a lifting lug 8 is arranged at the top of the upper steel beam; the lifting device is sleeved outside the upper steel beam and the lower steel beam; set up the jack between hoisting device and the upper portion girder steel, drive the lower part girder steel through jack lifting device and promote, make lower part girder steel and upper portion girder steel deformation coordination, ensure the bolt accuracy of registering of upper portion girder steel and lower part girder steel.
Further, the upper steel beams comprise a left upper steel beam and a right upper steel beam, which are butted through end plates and fixed through bolts.
Further, the leveling device comprises a leveling plate which is arranged at the lower parts of the left upper steel beam and the right upper steel beam and used for correcting levelness of the left upper steel beam and the right upper steel beam.
Specifically, the lifting device comprises a lifting frame, an upper connecting angle steel and a lower connecting angle steel, wherein the lifting frame is connected with an upper steel beam through bolts through the upper connecting angle steel, and the lifting frame is connected with a lower steel beam through bolts through the lower connecting angle steel.
Further, the lifting frame is a rectangular frame, which is formed by splicing the section steel 12 and the stiffening plate 13.
Further, the bolt holes of the upper connecting angle steel are long round holes, and the bolt holes of the lower connecting angle steel are common bolt holes; so as to ensure that the lower steel beam is lifted when the jack is lifted;
the leveling device ensures the high-altitude butt-joint installation precision of the left and right upper steel beams; and the lifting device ensures the high-altitude installation precision of the upper steel beam and the lower steel beam and improves the hole aligning rate of the bolts.
The specific application method is as follows:
the lower steel beam 3 is hoisted in place, leveling plates are arranged on the upper flange of the lower steel beam 3, the arrangement number of the leveling plates is determined through calculation, the left upper steel beam 1 and the right upper steel beam 2 are hoisted and arranged on the leveling plates 7 in parallel, the upper steel beams are in a horizontal state, bolt alignment precision of the left upper steel beam 1 and the right upper steel beam 2 is guaranteed, bolts of end plates 9 are installed, and the left upper steel beam 1 and the right upper steel beam 2 are fixedly connected. The lifting frame 4 is connected to the upper steel beam by bolts 10 through upper connecting angles 6. The lower connecting angle steel 11 is connected with the lower steel beam 3 through bolts 10, the bolt holes of the upper connecting angle steel 6 are oblong holes, and the bolt holes of the lower connecting angle steel 11 are common bolt holes, so that the lower steel beam 3 is lifted when the jack 5 is lifted; the jack 5 is arranged on the upper steel beam; after the upper steel beam is installed, the leveling plate 7 is taken down, the lifting frame 4 is lifted through the jack 5, the lifting frame 4 drives the lower steel beam 3 to lift, the lower steel beam 3 and the upper steel beam are deformed and coordinated, the bolt alignment precision of the upper steel beam and the lower steel beam 3 is ensured, and the upper steel beam and the lower steel beam 3 are connected through bolts after the lower steel beam 3 is lifted in place.
The embodiments provided in the present application are not intended to limit the present application, and although the present application has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present application are intended to be included in the protection scope of the present application.
Claims (6)
1. An adjusting device for high-altitude accurate installation of a large-scale steel laminated beam comprises an upper steel beam and a lower steel beam, wherein a lifting lug is arranged at the top of the upper steel beam; the method is characterized in that: the lifting device is sleeved outside the upper steel beam and the lower steel beam; set up the jack between hoisting device and the upper portion girder steel, drive the lower part girder steel through jack lifting device and promote, make lower part girder steel and upper portion girder steel deformation coordination, ensure the bolt accuracy of registering of upper portion girder steel and lower part girder steel.
2. The adjusting device for high-altitude precise installation of large-scale steel laminated beams according to claim 1, wherein the adjusting device comprises: the upper steel beams comprise a left upper steel beam and a right upper steel beam, which are butted through end plates and fixed through bolts.
3. The adjusting device for high-altitude precise installation of large-scale steel laminated beams according to claim 2, wherein: the leveling device comprises a leveling plate which is arranged at the lower parts of the left upper steel beam and the right upper steel beam and used for correcting levelness of the leveling plate.
4. An adjusting device for high-altitude precise installation of large-scale steel laminated beams according to claim 3, wherein: the lifting device comprises a lifting frame, an upper connecting angle steel and a lower connecting angle steel, wherein the lifting frame is connected with the upper steel beam through bolts, and the lifting frame is connected with the lower steel beam through bolts.
5. The adjusting device for high-altitude precise installation of large-scale steel laminated beams according to claim 4, wherein: the lifting frame is a rectangular frame which is formed by splicing section steel and stiffening plates.
6. The adjusting device for high-altitude precise installation of large-scale steel laminated beams according to claim 4, wherein: the bolt hole of upper portion angle steel adopts the slotted hole, and the bolt hole of lower part angle steel adopts ordinary bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321700414.6U CN220351531U (en) | 2023-06-30 | 2023-06-30 | Adjusting device for high-altitude accurate installation of large-scale steel laminated beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321700414.6U CN220351531U (en) | 2023-06-30 | 2023-06-30 | Adjusting device for high-altitude accurate installation of large-scale steel laminated beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220351531U true CN220351531U (en) | 2024-01-16 |
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ID=89506336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321700414.6U Active CN220351531U (en) | 2023-06-30 | 2023-06-30 | Adjusting device for high-altitude accurate installation of large-scale steel laminated beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220351531U (en) |
-
2023
- 2023-06-30 CN CN202321700414.6U patent/CN220351531U/en active Active
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