CN210369325U - Prefabricated steel beam column outer sleeve enlarging type connecting structure - Google Patents
Prefabricated steel beam column outer sleeve enlarging type connecting structure Download PDFInfo
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- CN210369325U CN210369325U CN201921145782.2U CN201921145782U CN210369325U CN 210369325 U CN210369325 U CN 210369325U CN 201921145782 U CN201921145782 U CN 201921145782U CN 210369325 U CN210369325 U CN 210369325U
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Abstract
The utility model relates to a prefabricated steel beam column outer sleeve enlarges formula connection structure, its characterized in that: the device comprises a sleeve expansion type connecting device, an upper steel column, a lower steel column and a steel beam; the sleeve expansion type connecting device comprises an outer sleeve, an upper expansion plate and a lower expansion plate, wherein the upper expansion plate and the lower expansion plate are welded on the outer side of the outer sleeve at intervals; the upper steel column is inserted into the outer sleeve from the top of the outer sleeve, the lower steel column is inserted into the outer sleeve from the bottom of the outer sleeve, and the upper steel column and the lower steel column are fixed with the outer sleeve; the end part of the steel beam is inserted into a gap between the upper expanding plate and the lower expanding plate, and the upper flange and the lower flange of the steel beam are respectively fixed with the upper expanding plate and the lower expanding plate; the middle part of the inner side of the outer sleeve is provided with an upper limiting groove and a lower limiting groove, and a plurality of upper ribbed plates and lower ribbed plates are respectively arranged between the upper expanding plate and the outer sleeve and between the lower expanding plate and the outer sleeve. The utility model discloses node intensity is high, construction speed is fast, industrialization degree is high, node elevation control is accurate, and economic technology benefit is showing.
Description
Technical Field
The utility model belongs to the building engineering field especially relates to a prefabricated steel beam column outer sleeve enlarges formula connection structure, is applicable to assembled steel construction building construction.
Background
In the fabricated steel structure, beam-column joints are key parts, the technical content is high, the stress is complex, the safety and the applicability of the whole structure are related, and the construction speed and the construction cost of the whole building are also influenced.
The traditional bolted beam-column connection node steel frame installation quality is influenced by a welding process and a welding environment, and the welding quality of the connection node is not well guaranteed, so that the beam-column welding connection part is easily subjected to brittle failure under the action of a strong earthquake. On the other hand, the construction efficiency and the building industrialization degree of the traditional bolted joint are also lower. In addition, traditional stud welding beam column connected node also has the beam column hoist and mount efficiency lower, the difficult scheduling problem of node elevation control.
SUMMERY OF THE UTILITY MODEL
This implement neotype aim at to the junction that beam column node exists easily takes place destruction, welding operation is loaded down with trivial details, hoist and mount inefficiency, node elevation control difficulty, industrialization degree low scheduling problem among traditional assembled steel construction, provide a prefabricated steel beam column outer sleeve expansion formula connection structure.
In order to realize the technical purpose, the utility model discloses a following technical scheme:
the utility model relates to an expanding connecting structure of an outer sleeve of a prefabricated steel beam column, which comprises a sleeve expanding connecting device, an upper steel column, a lower steel column and a steel beam; the sleeve expansion type connecting device comprises an outer sleeve, an upper expansion plate and a lower expansion plate, wherein the upper expansion plate and the lower expansion plate are welded on the outer side of the outer sleeve at intervals; the upper steel column is inserted into the outer sleeve from the top of the outer sleeve, the lower steel column is inserted into the outer sleeve from the bottom of the outer sleeve, and the upper steel column and the lower steel column are fixed with the outer sleeve; the end part of the steel beam is inserted into a gap between the upper expanding plate and the lower expanding plate, and the upper flange and the lower flange of the steel beam are respectively fixed with the upper expanding plate and the lower expanding plate.
Preferably, an upper rib plate is arranged between the upper expanding plate and the outer sleeve, and a lower rib plate is arranged between the lower expanding plate and the outer sleeve. The upper rib plate and the lower rib plate are arranged to increase the rigidity of the upper expanding plate and the lower expanding plate, so that the bearing capacity and the stability of the upper expanding plate and the lower expanding plate are increased.
Preferably, the outer sleeve is internally provided with an upper limiting groove and a lower limiting groove, the lower surface of the upper limiting groove is closely attached to the upper surface of the lower limiting groove, the bottom of the upper steel column is inserted into the upper limiting groove, and the top of the lower steel column is inserted into the lower limiting groove. The upper and lower limiting grooves are arranged to increase the mounting accuracy of the upper and lower steel columns, so that the upper and lower steel columns are simpler to mount.
Preferably, the width of the upper limiting groove is the same as the wall thickness of the upper steel column, and the width of the lower limiting groove is the same as the wall thickness of the lower steel column.
Preferably, the upper steel column and the lower steel column are fixed with the outer sleeve through a plurality of penetrating bolts.
Preferably, the upper flange of the steel beam is connected with the upper expansion plate through a high-strength bolt, and the upper flange of the steel beam is connected with the lower expansion plate through a high-strength bolt.
Adopt the technical scheme of the utility model, compare with the conventional art and have following characteristics and beneficial effect:
(1) the outer sleeve can improve the yield bearing capacity and the ultimate bearing capacity of the steel beam-column joint and greatly reduce the shear deformation of the joint area; the upper and lower expanding plates can effectively support and pull up the steel beams around, so that the connection strength is improved; the rigidity of the expansion plate can be increased by the upper rib plate and the lower rib plate, prying force generated on the edge of the plate due to insufficient rigidity of the expansion plate is avoided, and the beam column joint is high in strength, high in rigidity and good in stability.
(2) The utility model can rapidly install the steel column in place through the limiting groove in the outer sleeve and ensure that the upper steel column and the lower steel column are on the same axis; the steel beam can be quickly installed in place through the upper and lower expansion plates, the elevations at two ends of the steel beam are ensured to be consistent, the elevations of the four steel beams at the periphery of the steel column are ensured to be consistent, the problems that the hoisting efficiency of the current assembly type beam-column node is low, the node elevation is difficult to control and the like are effectively solved, meanwhile, the beam bottom support can be greatly reduced compared with the traditional hoisting method, and the engineering construction cost and the construction period are saved.
(3) The steel beam column joint adopts the mode of full assembled bolted connection, and the on-the-spot welding can be avoided to contrast traditional connected node, has improved the installation effectiveness to effectively avoided the environmental pollution that the operation of welding caused, the feature of environmental protection is better, the industrialization level is higher.
Drawings
FIG. 1 is a sectional view of an enlarged connecting structure of an outer sleeve of a prefabricated steel beam column;
FIG. 2 is an elevation view of an enlarged connecting structure of an outer sleeve of a prefabricated steel beam column;
FIG. 3 is a plan view of an enlarged connecting structure of an outer sleeve of a prefabricated steel beam column;
FIG. 4 is a cross-sectional view of the sleeve expandable joint;
FIG. 5 is an elevational view of the sleeve expansion joint;
FIG. 6 is a plan view of the sleeve expansion joint;
in the figure: 1. the steel structure comprises an upper steel column, 2 lower steel columns, 3 outer sleeves, 4 upper limiting grooves, 5 lower limiting grooves, 6 upper expanding plates, 7 lower expanding plates, 8 upper rib plates, 9 lower rib plates, 10 opposite penetrating bolts, 11 steel beams and 12 high-strength bolts
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, and the following examples are illustrative of the present invention and are not limited to the following examples. In certain fabricated steel structure building construction, a prefabricated steel beam column outer sleeve expanding type connecting structure is adopted.
Combine that attached figure 1 ~ 3 is shown, the utility model relates to a prefabricated steel beam column outer sleeve enlarges formula connection structure, expand formula connecting device, go up steel column 1, steel column 2 and girder steel 11 down including the sleeve.
With reference to fig. 4-6, the sleeve-expanding type connecting device comprises an outer sleeve 3, an upper expanding plate 6 and a lower expanding plate 7, wherein the cross section of the outer sleeve 3 is 330mm × 330mm, the wall thickness is 15mm, and the height is 750 mm; the upper expanding plate 6 and the lower expanding plate 7 are round steel plates with square holes arranged inside, the diameter is 830mm, the thickness is 15mm, the size of the square hole is 330mm multiplied by 330mm, and the upper expanding plate 6 and the lower expanding plate 7 are welded on the outer side of the outer sleeve 3 at intervals; an upper ribbed plate 8 is arranged between the upper expanding plate 6 and the outer sleeve 3, a lower ribbed plate 9 is arranged between the lower expanding plate 7 and the outer sleeve 3, the upper ribbed plate 8 and the lower ribbed plate 9 are triangular steel plates, and the wall thickness is 20 mm; an upper limiting groove 4 and a lower limiting groove 5 are arranged inside the outer sleeve 3, the upper limiting groove 4 and the lower limiting groove 5 are formed by welding four sections of 300mm long angle steels of 30 multiplied by 50 multiplied by 15, the lower surface of the upper limiting groove 4 is closely attached to the upper surface of the lower limiting groove 5, the groove width of the upper limiting groove 4 is the same as the pipe wall thickness of the upper steel column 1, and the groove width of the lower limiting groove 5 is the same as the pipe wall thickness of the lower steel column 2.
Referring to the attached drawings 1-3, the upper steel column 1 and the lower steel column 2 are square steel columns, the cross-sectional dimension is 300mm multiplied by 300mm, and the wall thickness is 15 mm; the upper steel column 1 is inserted into the outer sleeve 3 from the top of the outer sleeve 3, and the bottom of the upper steel column 1 is inserted into the upper limiting groove 4; the lower steel columns 2 are inserted into the outer sleeve 3 from the bottom of the outer sleeve 3, and the tops of the lower steel columns 2 are inserted into the lower limit grooves 5. The outer sleeve 3, the upper steel column 1 and the lower steel column 2 are provided with reserved holes at penetrating positions of the penetrating bolts 10, and the upper steel column 1 and the lower steel column 2 are fixed with the outer sleeve 3 through the penetrating bolts 10 after being in place.
Shown in the attached drawings 1-3, steel beam 11 be H shaped steel, total height 300mm, web thickness 30mm, flange width 150mm, thickness 20mm, go up expansion plate 6, expansion plate 7 down, the steel beam 11 flange sets up the preformed hole in high strength bolt 12 position of wearing to restraint, in the space between expansion plate 6 and the expansion plate 7 down is inserted to the tip of steel beam 11, the last flange of steel beam 11 passes through high strength bolt 12 and is connected with last expansion plate 6, the last flange of steel beam 11 passes through high strength bolt 12 and is connected with expansion plate 7 down.
The main construction process of the prefabricated steel beam column outer sleeve enlarged connecting structure is as follows:
step one, mounting a lower steel column: slowly rotating the lifting hook when the lower steel column 2 is lifted, when the column base is lifted to 80-100 cm from the top of the bolt of the ground base, supporting the column base and slowly releasing the hook, enabling the column base bolt to penetrate through the bottom end of the lower steel column 2, aligning a column base marking line with the axis of the foundation, and removing the lifting appliance after fixing; further erecting a total station on two sides of the vertical surface of the lower steel column 2, checking whether the center line of the bottom plate of the column is overlapped with the center line of the column base by using a steel plate ruler, wherein the error is not more than 3mm, and readjusting if the error is exceeded; and then, looking back the central line of the column base by using a theodolite, looking up the central line of the top of the column, observing the deviation and adjusting the error by tightening and loosening the column base nut.
Step two, installing a sleeve expanding device: hoisting the outer sleeve 3 to the top of the lower steel column 2, and slowly sleeving the outer sleeve 3 outside the lower steel column 2 from top to bottom until the top of the lower steel column 2 is firmly inserted into the lower limiting groove 5; and then sequentially penetrating and screwing the opposite penetrating bolts 10 in the preformed holes of the outer sleeve 3 and the lower steel column 2.
Step three, mounting a steel beam: the hoisting steel beam 11 stably and accurately reaches between the upper expansion plate 6 and the lower expansion plate 7; after the steel beam 11 is in place, penetrating and binding flanges of the steel beam 11 and preformed holes in the expansion plates by using temporary bolts, screwing the temporary bolts, and temporarily fixing the steel beam 11 with the upper expansion plate and the lower expansion plate; and replacing the temporary bolts one by the high-strength bolts 12 after the lifting hook is dismantled and fastening, wherein the high-strength bolts 12 are screwed up firstly and finally, and the screwing up is finished in the end of the day.
Step four, installing a steel column: slowly rotating the lifting hook when the upper steel column 1 is lifted, lifting the upper steel column 1 to the top of the outer sleeve 3, and slowly installing the upper steel column 1 into the outer sleeve 3 from top to bottom until the bottom of the upper steel column 1 is firmly inserted into the upper limiting groove 4; sequentially penetrating and tightening the penetrating bolts 10 in the preformed holes of the outer sleeve 3 and the upper steel column 1; and further projecting the installation control axis and the elevation control line from the ground measurement control network to the top of the upper steel column 1, and rechecking the installation accuracy of the upper steel column 1 according to the step I.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a prefabricated steel beam column outer sleeve enlarges formula connection structure which characterized in that: the steel column comprises a sleeve expansion type connecting device, an upper steel column (1), a lower steel column (2) and a steel beam (11); the sleeve expansion type connecting device comprises an outer sleeve (3), an upper expansion plate (6) and a lower expansion plate (7), wherein the upper expansion plate (6) and the lower expansion plate (7) are welded on the outer side of the outer sleeve (3) at intervals; the upper steel column (1) is inserted into the outer sleeve (3) from the top of the outer sleeve (3), the lower steel column (2) is inserted into the outer sleeve (3) from the bottom of the outer sleeve (3), and the upper steel column (1) and the lower steel column (2) are fixed with the outer sleeve (3); the end part of the steel beam (11) is inserted into a gap between the upper expanding plate (6) and the lower expanding plate (7), and the upper flange and the lower flange of the steel beam (11) are respectively fixed with the upper expanding plate (6) and the lower expanding plate (7).
2. The prefabricated steel beam column outer sleeve enlarged connection structure as claimed in claim 1, wherein: an upper ribbed plate (8) is arranged between the upper expanding plate (6) and the outer sleeve (3), and a lower ribbed plate (9) is arranged between the lower expanding plate (7) and the outer sleeve (3).
3. The prefabricated steel beam column outer sleeve enlarged connection structure as claimed in claim 1, wherein: the steel column is characterized in that an upper limiting groove (4) and a lower limiting groove (5) are formed in the outer sleeve (3), the lower surface of the upper limiting groove (4) is tightly attached to the upper surface of the lower limiting groove (5), the bottom of the upper steel column (1) is inserted into the upper limiting groove (4), and the top of the lower steel column (2) is inserted into the lower limiting groove (5).
4. The prefabricated steel beam column outer sleeve enlarged connection structure as claimed in claim 3, wherein: the width of the upper limiting groove (4) is the same as the wall thickness of the upper steel column (1), and the width of the lower limiting groove (5) is the same as the wall thickness of the lower steel column (2).
5. The prefabricated steel beam column outer sleeve enlarged connection structure as claimed in claim 1, wherein: the upper steel column (1) and the lower steel column (2) are fixed with the outer sleeve (3) through a plurality of penetrating bolts (10).
6. The prefabricated steel beam column outer sleeve enlarged connection structure as claimed in claim 1, wherein: the upper flange of the steel beam (11) is connected with the upper expanding plate (6) through a high-strength bolt (12), and the upper flange of the steel beam (11) is connected with the lower expanding plate (7) through a high-strength bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145782.2U CN210369325U (en) | 2019-07-19 | 2019-07-19 | Prefabricated steel beam column outer sleeve enlarging type connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145782.2U CN210369325U (en) | 2019-07-19 | 2019-07-19 | Prefabricated steel beam column outer sleeve enlarging type connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369325U true CN210369325U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921145782.2U Expired - Fee Related CN210369325U (en) | 2019-07-19 | 2019-07-19 | Prefabricated steel beam column outer sleeve enlarging type connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210369325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636563A (en) * | 2020-05-27 | 2020-09-08 | 安徽富煌钢构股份有限公司 | Assembled high-rise steel structure house special-shaped column combined standardization node |
| CN112832373A (en) * | 2021-01-07 | 2021-05-25 | 陈从英 | Manufacturing method of steel structure connecting node structure |
-
2019
- 2019-07-19 CN CN201921145782.2U patent/CN210369325U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636563A (en) * | 2020-05-27 | 2020-09-08 | 安徽富煌钢构股份有限公司 | Assembled high-rise steel structure house special-shaped column combined standardization node |
| CN112832373A (en) * | 2021-01-07 | 2021-05-25 | 陈从英 | Manufacturing method of steel structure connecting node structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |