CN217379507U - Steel construction truss bottom connection structure - Google Patents
Steel construction truss bottom connection structure Download PDFInfo
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- CN217379507U CN217379507U CN202220215221.0U CN202220215221U CN217379507U CN 217379507 U CN217379507 U CN 217379507U CN 202220215221 U CN202220215221 U CN 202220215221U CN 217379507 U CN217379507 U CN 217379507U
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Abstract
The utility model belongs to the technical field of steel structure truss installation technique and specifically relates to a steel structure truss bottom connection structure, include the steel structure support tubular column with steel structure truss beam's tip matched with, steel structure support tubular column's bottom is pre-buried subaerial, the top of steel structure support tubular column is passed through the tip of connecting seat and steel structure truss beam and is realized that the bolt is fixed and be used for realizing supporting steel structure truss beam's tip bottom side install side coupling mechanism respectively in the below of connecting seat both sides the connecting seat below install a fine setting supporting mechanism in the cavity of steel structure support tubular column. This structure is applicable to the installation cooperation and uses at the tip of the steel construction truss of large-span, can also realize the drawknot fastening at both ends about through side coupling mechanism when realizing carrying out the outrigger to steel construction truss tip, and the stability of integral connection is stronger, is fit for the stable connection under the reciprocal wind load operating mode.
Description
Technical Field
The utility model belongs to the technical field of steel structure truss installation technique and specifically relates to a can realize that large-span steel structure truss carries out the novel structure that tip supported installation location, especially a steel structure truss bottom connection structure steadily safely.
Background
Steel structural trusses are widely used in various industries, wherein long-span beam steel structural trusses play an important role in both mobile truss structures supported by a gantry and structural trusses supported on the ground. The girder type steel structure truss with the large span is mainly characterized in that the span distances of two end parts of the girder type steel structure truss are large, and the end part support of the girder type steel structure truss has important significance for the stability of the whole truss structure.
However, no matter the current steel structure truss is a common steel structure truss or a girder-type double-support steel structure truss with a large span, the design of the steel structure truss on the end part support structure is not very different, the existing end part connection structure mainly adopts a single connection structure to be connected with the end part of the girder-type truss in a supporting mode at the top part of the end part support pillar of the truss in a supporting mode, but the mode generally needs to pre-embed and fix the main bodies at the two ends firstly during construction, then the girder-type truss is hoisted and supported on the connection structure of the corresponding column body by means of the two ends. For example, patent document CN201620354301.9 discloses a truss support structure, which mainly includes: including installing truss reinforcement device (3) on lower chord (2) of truss (1) and installing supplementary strutting arrangement (4) on truss reinforcement device (3), its characterized in that: the truss reinforcing device (3) comprises longitudinal reinforcing pieces (31) extending along the length direction of the lower chord (2) on the left side and the right side of the truss (1), and the longitudinal reinforcing pieces (31) are fixedly connected with the lower chord (2); the auxiliary supporting device (4) comprises supporting pieces (41) which are respectively connected with the longitudinal reinforcing pieces (31) on the left side and the right side, connecting pieces (42) which are connected with the supporting pieces (41) on the left side and the right side, connecting pad plate assemblies (43) which are respectively positioned on the left side and the right side of the truss (1) and support the supporting pieces (41) and height adjusting assemblies (44) which are fixedly arranged on the connecting pad plate assemblies (43) and connected with the supporting pieces (41).
The end part of the wind power generator is supported by a single point, so that the wind power generator is low in safety and poor in swing resistance when used under the working condition of high wind load; the method is not too large in the case of a low-load and light-weight truss, but has a large potential safety hazard in the case of a large-span heavy-load truss.
Therefore, the company changes a truss bottom connecting structure special for the large-span beam type steel structure truss according to the feedback problem in the process of actual construction and engineering use of the steel structure truss so as to better solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the utility model provides a steel structure truss bottom connection structure, includes the steel structure support tubular column with steel structure truss beam's tip matched with, the bottom of steel structure support tubular column is pre-buried subaerial, the top of steel structure support tubular column realizes through the tip of connecting seat and steel structure truss beam that the bolt is fixed and be used for realizing the support to steel structure truss beam's tip bottom install side coupling mechanism respectively in the below of connecting seat both sides the connecting seat below install a fine setting supporting mechanism in the cavity of steel structure support tubular column, fine setting supporting mechanism's the left and right sides both ends all pass through outer opening on the lateral wall of steel structure support tubular column both sides is worn out the lateral wall of steel structure support tubular column is used for realizing the stable support to its above side coupling mechanism respectively.
Preferably in any one of the above schemes, the fine adjustment support mechanism includes a bolt connection inner square seat fixedly installed in a cavity on the upper portion of the steel structure support pipe column, the peripheral side walls of the bolt connection inner square seat respectively abut against the side walls of the cavity of the steel structure support pipe column, a limit square hole communicated with the outer openings is respectively arranged on the side walls of the left side and the right side of the bolt connection inner square seat in a penetrating manner, an adjustable lifting member is installed in the limit square hole, and the two ends of the adjustable lifting member are respectively connected with the side connection mechanism above the corresponding position after penetrating through the corresponding limit square hole and the corresponding outer opening.
In any of the above schemes, preferably, the front side and the rear side of the lower part of the bolting inner square seat are respectively provided with a horizontally arranged support bolting stud, and the left end and the right end of the support bolting stud are respectively screwed out of the two sides of the steel structure support pipe column and fixed through a support anti-drop nut.
Preferably in any one of the above schemes, the adjustable lifting member includes a horizontal support seat horizontally disposed in the limiting square hole, the front and rear sides of the horizontal support seat respectively abut against the corresponding inner side wall of the limiting square hole, the left and right sides of the horizontal support seat respectively penetrate out of the corresponding outer opening and then are fixedly connected with the bottom of the side connecting mechanism, an adjusting screw rod is rotatably arranged in a central screw hole of the horizontal support seat, and two ends of the adjusting screw rod respectively penetrate out of a through hole in the bolt-connection inner square seat at the corresponding position through stepped shaft sections at the end part of the adjusting screw rod and then are respectively welded and fixedly connected with an end nut for forming.
In any of the above schemes, preferably, the side connecting mechanism includes lower ear seats respectively symmetrically arranged at two sides around the end of the horizontal supporting seat, the bottom of each lower ear seat is fixed on the horizontal supporting seat through a bolt piece, an upper ear seat is fixedly bolted at the bottom of the end of the steel structure truss beam corresponding to the top of each lower ear seat, and the upper ear seats and the corresponding lower ear seats are connected through hinge rods.
In any of the above aspects, preferably, the outer portion of each end nut is a hexagonal nut, and an inner hexagonal nut cavity is provided in the end face.
In any of the above schemes, preferably, the external thread on the outer side wall of the adjusting screw is a rectangular external thread.
In any of the above schemes, preferably, an operation opening facilitating adjustment of the internal end nut to realize rotation is formed on the outer side wall of the steel structure supporting pipe column at the position of the end nut at the lower end.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. this structure is applicable to the installation cooperation and uses at the tip of the steel construction truss of large-span, can also realize the drawknot fastening at both ends about through side coupling mechanism when realizing carrying out the outrigger to steel construction truss tip, and the stability of integral connection is stronger, is fit for the stable connection under the reciprocal wind load operating mode.
2. Two side coupling mechanisms in this structure can be through the minitrim supporting mechanism realize the minimalistic range of position from top to bottom, the regulation of minimalistic range is convenient for carry out the last ear seat at side coupling mechanism upper and lower both ends, be in the state of lax relatively during the installation of lower ear seat, reduce the construction and counterpoint the degree of difficulty, the rotation that can control the tip nut on the regulation formula lifter drives the rotation of adjusting the lead screw simultaneously after the construction installation is accomplished, thereby drive the decline of whole horizontal support seat, finally reach the purpose with each side coupling mechanism tensioning, the overall regulation is convenient relatively and the auto-lock nature is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic sectional view of the main viewing direction of the present invention.
Fig. 2 is a schematic view of a partial sectional structure in the right viewing direction of the present invention.
Fig. 3 is the utility model discloses a direction inside sectional structure schematic diagram is looked to the right side of steel construction support tubular column.
Fig. 4 is a schematic end sectional view of the end nut of the present invention.
In the figure, 1, a steel structure truss girder; 2. supporting the tubular column by a steel structure; 3. a connecting seat; 4. a side connection mechanism; 5. an outer opening; 6. bolting the inner square base; 7. limiting a square hole; 8. a support bolt stud; 9. supporting the anti-drop nut; 10. a horizontal support seat; 11. adjusting the lead screw; 12. an end nut; 13. a lower ear seat; 14. an upper ear seat; 15. a hinged lever; 16. a nut cavity; 17. and an operation port.
Detailed Description
Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in figures 1-4.
Example 1:
the utility model provides a steel structure truss bottom connection structure, includes the tip matched with steel structure support tubular column 2 with steel structure truss roof beam 1, the bottom of steel structure support tubular column 2 is pre-buried subaerial, connecting seat 3 is passed through at the top of steel structure support tubular column 2 and the tip of steel structure truss roof beam 1 realizes that the bolt is fixed and is used for realizing supporting steel structure truss roof beam 1's tip bottom side connection mechanism 4 is installed respectively to the below of 3 both sides of connecting seat 3 the below of connecting seat 3 the cavity of steel structure support tubular column 2 is installed a fine setting supporting mechanism, fine setting supporting mechanism's both ends are all passed through outer opening 5 on the lateral wall of 2 both sides of steel structure support tubular column is worn out the lateral wall of steel structure support tubular column 2 is used for realizing the outrigger of the side connection mechanism 4 above that is used for respectively.
The steel structure truss bottom connecting structure firstly completes pre-buried construction of the lower end of a steel structure supporting pipe column 2 and completes reinforcement during construction, then hoists a steel structure truss beam 1 to a specified position, and enables the steel structure truss beam to be supported on a connecting seat 3 in advance, then the connecting seat 3 is fixedly connected with the steel structure truss beam 1 through a bolt connecting piece, then a flat supporting seat of a fine adjustment supporting mechanism is installed, after installation alignment, an upper end nut 12 is welded at one end of an adjusting screw rod 11, then the end part of the adjusting screw rod 11 without welding an end nut 12 is screwed to a horizontal supporting seat 10 and penetrates out of a bolt inner square seat 6, then the other end nut 12 is welded, in addition, a supporting bolt connecting stud 8 and a supporting anti-falling nut 9 are installed, at the moment, the installation of the whole adjustment type lifting piece is completed, then the upper position and the lower position of the whole horizontal supporting seat 10 are adjusted in a limiting square hole 7 through screwing the end nut 12, after the adjustment is in place, the upper lug seat 14 and the lower lug seat 13 are sequentially installed, then the corresponding end nut 12 is controlled to be screwed to drive the horizontal supporting seat 10 to lift in place, the hinge rod 15 is in a tensioning state at the moment, and therefore the pulling effect of the whole side connecting mechanism 4 on the end part of the steel structure truss girder 1 can be achieved, and the stable supporting connection is achieved through the supporting effect of the connecting seat 3.
In any of the above schemes, preferably, the fine-tuning support mechanism includes a bolt-in square seat 6 fixedly installed in the cavity on the upper portion of the steel structure support pipe column 2, the peripheral side walls of the bolt-in square seat 6 respectively abut against the side walls of the cavity of the steel structure support pipe column 2, the side walls of the left and right sides of the bolt-in square seat 6 are respectively provided with a limit square hole 7 communicated with the outer opening 5 in a penetrating manner, an adjustable lifting member is installed in the limit square hole 7, and the two ends of the adjustable lifting member are respectively connected with the side connection mechanism 4 above the corresponding position after penetrating through the corresponding limit square hole 7 and the outer opening 5.
The fine adjustment supporting mechanism is mainly used for achieving the purpose of facilitating installation of the side connecting mechanism 4 by adjusting the position of the fine adjustment supporting mechanism in the height direction before and after installation, and reducing installation difficulty.
Preferably in any one of the above schemes, the adjustable lifting member includes a horizontal support seat 10 horizontally disposed in the limiting square hole 7, the front and rear sides of the horizontal support seat 10 respectively abut against the corresponding inner side wall of the limiting square hole 7, the left and right sides of the horizontal support seat 10 respectively penetrate out of the corresponding outer opening 5 and then are fixedly connected with the bottom of the side connecting mechanism 4, an adjusting screw rod 11 is screwed in the central screw hole of the horizontal support seat 10, and the two ends of the adjusting screw rod 11 respectively penetrate out of the through holes in the bolting inner square seat 6 at the corresponding positions through the stepped shaft sections at the ends thereof and then are respectively welded and fixedly connected with an end nut 12 for forming.
Regulation formula lifter can drive the rotation of adjusting lead screw 11 through closing soon of tip nut 12, because both sides support tightly 7 departments in the spacing square hole that correspond respectively around horizontal support seat 10 when adjusting lead screw 11 rotation, horizontal support seat 10 is equivalent to the effect of slider this moment, horizontal support seat 10 realizes going up and down when adjusting lead screw 11 rotation, can realize the auto-lock after adjusting lead screw 11 stall simultaneously, thereby guarantee the convenience of regulation and the stability after the regulation.
In any of the above schemes, preferably, the side connection mechanism 4 includes that the symmetry interval respectively sets up the lower ear seat 13 of both sides around the tip of horizontal support seat 10, each the bottom of lower ear seat 13 is fixed through the bolt spare respectively on the horizontal support seat 10, in each the bottom of the steel structure truss girder 1's that the top of lower ear seat 13 corresponds bottom fixed bolt has an upper ear seat 14 respectively, each the upper ear seat 14 realizes through hinge bar 15 respectively with the lower ear seat 13 that corresponds and is connected.
The top of the side connecting mechanism 4 is fixed at the end part of the steel structure truss girder 1, the bottom of the side connecting mechanism is fixed on the horizontal supporting seat 10, and the whole side connecting mechanism 4 can be tensioned and loosened by lifting on the horizontal supporting seat 10, so that the purpose of effectively drawing the end part of the steel structure truss girder 1 can be achieved, and the connection stability can be ensured.
The bottom of the horizontal support seat 10 is in a position abutting against the top of the outer opening 5 in a normal pulling state, and the whole horizontal support seat 10 is supported stably by the support of the steel structure support pipe column 2 and the bolted inner square seat 6.
Example 2:
the utility model provides a steel structure truss bottom connection structure, includes the tip matched with steel structure support tubular column 2 with steel structure truss roof beam 1, the bottom of steel structure support tubular column 2 is pre-buried subaerial, connecting seat 3 is passed through at the top of steel structure support tubular column 2 and the tip of steel structure truss roof beam 1 realizes that the bolt is fixed and is used for realizing supporting steel structure truss roof beam 1's tip bottom side connection mechanism 4 is installed respectively to the below of 3 both sides of connecting seat 3 the below of connecting seat 3 the cavity of steel structure support tubular column 2 is installed a fine setting supporting mechanism, fine setting supporting mechanism's both ends are all passed through outer opening 5 on the lateral wall of 2 both sides of steel structure support tubular column is worn out the lateral wall of steel structure support tubular column 2 is used for realizing the outrigger of the side connection mechanism 4 above that is used for respectively.
The steel structure truss bottom connecting structure firstly completes pre-buried construction of the lower end of a steel structure supporting pipe column 2 and completes reinforcement during construction, then hoists a steel structure truss beam 1 to a specified position, and enables the steel structure truss beam to be supported on a connecting seat 3 in advance, then the connecting seat 3 is fixedly connected with the steel structure truss beam 1 through a bolt connecting piece, then a flat supporting seat of a fine adjustment supporting mechanism is installed, after installation alignment, an upper end nut 12 is welded at one end of an adjusting screw rod 11, then the end part of the adjusting screw rod 11 without welding an end nut 12 is screwed to a horizontal supporting seat 10 and penetrates out of a bolt inner square seat 6, then the other end nut 12 is welded, in addition, a supporting bolt connecting stud 8 and a supporting anti-falling nut 9 are installed, at the moment, the installation of the whole adjustment type lifting piece is completed, then the upper position and the lower position of the whole horizontal supporting seat 10 are adjusted in a limiting square hole 7 through screwing the end nut 12, after the adjustment is in place, the upper lug seat 14 and the lower lug seat 13 are sequentially installed, then the corresponding end nut 12 is controlled to be screwed to drive the horizontal supporting seat 10 to lift in place, the hinge rod 15 is in a tensioning state at the moment, and therefore the pulling effect of the whole side connecting mechanism 4 on the end part of the steel structure truss girder 1 can be achieved, and the stable supporting connection is achieved through the supporting effect of the connecting seat 3.
In any of the above schemes, preferably, the fine adjustment support mechanism includes a bolt connection inner square seat 6 fixedly installed in the cavity on the upper portion of the steel structure support pipe column 2, the peripheral side walls of the bolt connection inner square seat 6 respectively abut against the side walls of the cavity of the steel structure support pipe column 2, the side walls of the left side and the right side of the bolt connection inner square seat 6 are respectively provided with a limit square hole 7 communicated with the outer opening 5 in a penetrating manner, an adjustable lifting member is installed in the limit square hole 7, and the two ends of the adjustable lifting member are respectively connected with the side connection mechanism 4 above the corresponding position after penetrating through the corresponding limit square hole 7 and the outer opening 5.
The fine tuning support mechanism mainly has the advantages that the side connecting mechanism 4 can be conveniently installed by adjusting the position of the fine tuning support mechanism in the height direction before and after installation, and the installation difficulty is reduced.
In any of the above schemes, preferably, the front side and the rear side of the lower part of the bolting inner square seat 6 are respectively provided with a horizontally arranged support bolting stud 8, and the left end and the right end of the support bolting stud 8 respectively penetrate through the two sides of the steel structure support pipe column 2 in a screwing manner and are fixed through a support anti-dropping nut 9.
The whole bolt inner square seat 6 installed in the cavity of the steel structure supporting pipe column 2 is stably supported by the two supporting bolt studs 8 and the supporting anti-falling nuts 9, so that the bottom of each side connecting mechanism 4 is guaranteed to be fixedly supported.
Preferably in any one of the above schemes, the adjustable lifting member includes a horizontal support seat 10 horizontally disposed in the limiting square hole 7, the front and rear sides of the horizontal support seat 10 respectively abut against the corresponding inner side wall of the limiting square hole 7, the left and right sides of the horizontal support seat 10 respectively penetrate out of the corresponding outer opening 5 and then are fixedly connected with the bottom of the side connecting mechanism 4, an adjusting screw rod 11 is screwed in the central screw hole of the horizontal support seat 10, and the two ends of the adjusting screw rod 11 respectively penetrate out of the through holes in the bolting inner square seat 6 at the corresponding positions through the stepped shaft sections at the ends thereof and then are respectively welded and fixedly connected with an end nut 12 for forming.
The regulation formula lifter can drive the rotation of adjusting lead screw 11 through closing soon of tip nut 12, because the front and back both sides of horizontal support seat 10 support tightly respectively in the spacing square hole 7 department that corresponds when adjusting lead screw 11 rotatory, horizontal support seat 10 is equivalent to the effect of slider this moment, horizontal support seat 10 realizes going up and down when adjusting lead screw 11 rotatory, can realize the auto-lock after adjusting lead screw 11 stop rotating simultaneously to guarantee the convenience of adjusting and the stability after adjusting.
In any of the above schemes, preferably, the side connecting mechanism 4 includes lower lug seats 13 respectively symmetrically disposed at the front and rear sides of the end portion of the horizontal supporting seat 10 at intervals, the bottom of each lower lug seat 13 is fixed on the horizontal supporting seat 10 through a bolt, an upper lug seat 14 is fixedly bolted to the bottom of the end portion of the steel structure truss girder 1 corresponding to the upper side of each lower lug seat 13, and the upper lug seats 14 and the corresponding lower lug seats 13 are connected through hinge rods 15.
The top of the side connecting mechanism 4 is fixed at the end part of the steel structure truss girder 1, the bottom of the side connecting mechanism is fixed on the horizontal supporting seat 10, and the whole side connecting mechanism 4 can be tensioned and loosened by lifting on the horizontal supporting seat 10, so that the purpose of effectively drawing the end part of the steel structure truss girder 1 can be achieved, and the connection stability can be ensured.
The bottom of the horizontal support seat 10 is in a position abutting against the top of the outer opening 5 in a normal pulling state, and the whole horizontal support seat 10 is supported stably by the support of the steel structure support pipe column 2 and the bolted inner square seat 6.
In any of the above embodiments, it is preferable that each of the end nuts 12 has a hexagonal nut on the outside and a hexagonal nut recess 16 in the end surface.
Adopt the form of outside hexagon nut, inside nut cavity 16 can adopt two kinds of modes when adjusting rotatory tip nut 12, one kind adopts the spanner to adjust, probably can adopt the hexagonal spanner pole to adjust when the spanner is adjusted inconveniently, and overall regulation is convenient and fast more, reduces the operation influence because of space restriction causes.
In any of the above solutions, it is preferable that the external thread on the outer side wall of the adjusting screw 11 is a rectangular external thread. The rectangular external thread can ensure better self-locking and bearing effects.
In any of the above solutions, it is preferable that an operation opening 17 for facilitating the rotation of the end nut 12 inside is opened on the outer side wall of the steel structure supporting pipe column 2 at the position of the end nut 12 at the lower end.
The operation opening 17 is provided to facilitate the rotation adjustment of the lower end nut 12 and the insertion of a tool such as a wrench into the interior for adjustment.
The specific operation process comprises the following steps:
during construction, pre-embedding construction of the lower end of a steel structure supporting pipe column 2 is completed and reinforcement is completed, then a steel structure truss girder 1 is hoisted to a specified position and is supported on a connecting seat 3 in advance, then the connecting seat 3 is fixedly connected with the steel structure truss girder 1 through a bolt connecting piece, then a flat supporting seat of a fine adjustment supporting mechanism is installed, after alignment in installation, an upper end nut 12 is welded at one end of an adjusting screw 11, then the end part of the adjusting screw 11 without welding an end nut 12 is screwed to a horizontal supporting seat 10 and penetrates out of a bolt connecting inner square seat 6, then the other end nut 12 is welded, in addition, a supporting bolt connecting screw 8 and a supporting anti-falling nut 9 are installed, installation of the whole adjustable lifting piece is completed at the moment, then adjustment of the upper position and the lower position of the whole horizontal supporting seat 10 in a limiting square hole 7 is realized through screwing the end nut 12, after the adjustment is in place, the upper lug seat 14 and the lower lug seat 13 are sequentially installed, then the corresponding end nut 12 is controlled to be screwed to drive the horizontal supporting seat 10 to lift in place, the hinge rod 15 is in a tensioning state at the moment, and therefore the pulling effect of the whole side connecting mechanism 4 on the end part of the steel structure truss girder 1 can be achieved, and the stable supporting connection is achieved through the supporting effect of the connecting seat 3.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (8)
1. The utility model provides a steel structure truss bottom connection structure, includes the steel structure support tubular column with steel structure truss girder's tip matched with, the bottom of steel structure support tubular column is pre-buried subaerial, its characterized in that: the top of the steel structure supporting tubular column is bolted and fixed through the connecting seat and the end part of the steel structure truss beam and is used for supporting the bottom of the end part of the steel structure truss beam, a side connecting mechanism is respectively installed below two sides of the connecting seat, a fine-tuning supporting mechanism is installed in the cavity of the steel structure supporting tubular column below the connecting seat, the left end and the right end of the fine-tuning supporting mechanism are all passed through an outer opening on the side walls of two sides of the steel structure supporting tubular column are worn out, and the outer side wall of the steel structure supporting tubular column is respectively used for realizing stable support of the side connecting mechanism above the outer side wall of the steel structure supporting tubular column.
2. The steel structure truss bottom connection structure of claim 1, wherein: the fine setting supporting mechanism comprises a bolt connection inner square seat fixedly installed in a cavity on the upper portion of the steel structure supporting pipe column, the peripheral side walls of the bolt connection inner square seat respectively abut against the side wall of the cavity of the steel structure supporting pipe column, two limiting square holes communicated with the outer opening are respectively arranged on the side walls of the left side and the right side of the bolt connection inner square seat in a penetrating mode, an adjusting type lifting piece is installed in each limiting square hole, and the two ends of the adjusting type lifting piece are connected with a side connecting mechanism corresponding to the position upper portion after penetrating out the corresponding limiting square holes and the outer opening respectively.
3. The steel structure truss bottom connection structure of claim 2, wherein: and the front side and the rear side of the lower part of the bolt inner square seat are respectively provided with a horizontally arranged support bolt stud, and the left end and the right end of the support bolt stud are respectively screwed to penetrate through the two sides of the steel structure support pipe column and are fixed through a support anti-falling nut.
4. The steel structure truss bottom connection structure of claim 3, wherein: the adjustable lifting piece comprises a horizontal support seat arranged in the limiting square hole, the front side and the rear side of the horizontal support seat respectively abut against the corresponding inner side wall of the limiting square hole, the left side and the right side of the horizontal support seat respectively penetrate out of the corresponding outer opening and then are fixedly connected with the bottom of the side connecting mechanism, an adjusting lead screw is arranged in a central screw hole of the horizontal support seat in a screwed mode, two ends of the adjusting lead screw respectively penetrate out of a through hole in the corresponding position through the stepped shaft section of the end portion of the adjusting lead screw in a movable mode, and then the adjusting lead screw is fixedly connected with a nut at one end of the adjusting lead screw in a welded mode.
5. The steel structure truss bottom connection structure of claim 4, wherein: the side connection mechanism comprises lower lug seats which are symmetrically arranged at intervals respectively and are arranged on the front side and the rear side of the end part of the horizontal support seat, the bottoms of the lower lug seats are fixed on the horizontal support seat through bolt pieces respectively, the bottoms of the end parts of the steel structure truss beams corresponding to the upper sides of the lower lug seats are fixedly bolted with an upper lug seat respectively, and the upper lug seats are connected with the corresponding lower lug seats through hinge rods respectively.
6. The steel structure truss bottom connection structure of claim 5, wherein: the outer part of each end nut is a hexagonal nut, and an inner hexagonal nut concave cavity is arranged in the end face of each end nut.
7. The steel structure truss bottom connection structure of claim 6, wherein: and the external thread on the outer side wall of the adjusting screw rod is a rectangular external thread.
8. The steel structure truss bottom connection structure of claim 7, wherein: and an operation opening which is convenient for adjusting the internal end nut to rotate is formed in the outer side wall of the steel structure supporting pipe column at the position of the end nut at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220215221.0U CN217379507U (en) | 2022-01-26 | 2022-01-26 | Steel construction truss bottom connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220215221.0U CN217379507U (en) | 2022-01-26 | 2022-01-26 | Steel construction truss bottom connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217379507U true CN217379507U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220215221.0U Active CN217379507U (en) | 2022-01-26 | 2022-01-26 | Steel construction truss bottom connection structure |
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| Country | Link |
|---|---|
| CN (1) | CN217379507U (en) |
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2022
- 2022-01-26 CN CN202220215221.0U patent/CN217379507U/en active Active
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