CN220414962U - Large-scale venue steel structure supports uninstallation device - Google Patents

Large-scale venue steel structure supports uninstallation device Download PDF

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Publication number
CN220414962U
CN220414962U CN202322012512.7U CN202322012512U CN220414962U CN 220414962 U CN220414962 U CN 220414962U CN 202322012512 U CN202322012512 U CN 202322012512U CN 220414962 U CN220414962 U CN 220414962U
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China
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wedge
fixedly connected
block
steel structure
symmetrically
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CN202322012512.7U
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李伟
张智强
高洪才
赵勇毅
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China 22MCC Group Corp Ltd
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China 22MCC Group Corp Ltd
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Abstract

The utility model relates to steel structure construction, in particular to a steel structure supporting and unloading device for a large-scale venue. The device comprises a cross beam, wherein a longitudinal beam is fixedly connected to the top surface of the cross beam, a supporting plate is arranged above the longitudinal beam, a first wedge block is symmetrically and fixedly connected to the bottom surface of the supporting plate, a second wedge block matched with the first wedge block is arranged below the first wedge block, a sliding block is symmetrically and fixedly connected to the bottom surface of the second wedge block, a sliding groove matched with the sliding block is slidably connected to the outer side of the sliding block, and the sliding groove is symmetrically and fixedly connected to the top surface of the longitudinal beam; the middle part symmetry rigid coupling of backup pad bottom surface has the guide bar, inlays on the longeron to be equipped with the uide bushing that the slip cap was established in the guide bar outside, and common screw thread runs through on two second wedge has the threaded rod, and the both ends of threaded rod are all rotated and are installed on the longeron, hydraulic motor's output and the tip fixed connection of threaded rod. The utility model has large bearing capacity, effectively supports and unloads, smoothly unloads, and ensures the stability and safety of supporting and unloading.

Description

Large-scale venue steel structure supports uninstallation device
Technical Field
The utility model relates to steel structure construction, in particular to a steel structure supporting and unloading device for a large-scale venue.
Background
At present, urban construction develops increasingly rapidly, the living standard of people is continuously improved, on the basis, people put forward higher requirements on buildings, not only basic life, work, living and other functions are required to be met, but also the appearance, the shape and the compatibility with surrounding environments of the buildings are more emphasized, in order to meet various requirements, the building structure is more complex, and the building forms are more and more diversified.
Such as large venues, the span of steel structures in large venues is generally large. Because of the limited construction site, the method of erecting a temporary support frame and assembling at high altitude is most adopted at present, the temporary support frame is required to be dismantled after the large-span steel structure reaches the strength required by design, the stress of the large-span steel structure after the dismantling can be changed radically, the stress of the support is converted into the stress of the structure, so that the support frame must be unloaded before being dismantled, the structure deformation is synchronously controlled through a proper unloading device, the deformation and the stress change are gentle, and the safety of the support and the structure is ensured.
The utility model of China with the authorized bulletin number of CN210887999U discloses a steel structure installation foot rest, wherein two symmetrical first bearings are fixedly embedded on the upper surface of a bottom plate of the foot rest, the inner ring of each first bearing is fixedly connected with a rotating shaft, the upper surface of each rotating shaft is fixedly connected with a fixed column, the outer surface of each fixed column is provided with a wedge-shaped groove, and a wedge block matched with the wedge-shaped groove is clamped in each wedge-shaped groove; one side surface of the two wedge blocks, which are far away from each other, is fixedly connected with a support column. The bearing capacity of the utility model is low.
Disclosure of Invention
The utility model aims to solve the technical problems, so as to provide the large-scale venue steel structure supporting and unloading device which has large bearing capacity and ensures the stability and safety of supporting and unloading.
The utility model solves the technical problems and adopts the following technical scheme:
the steel structure supporting and unloading device for the large venue comprises a cross beam, wherein a longitudinal beam is fixedly connected to the top surface of the cross beam, a supporting plate is arranged above the longitudinal beam, a first wedge block is symmetrically and fixedly connected to the bottom surface of the supporting plate, a second wedge block matched with the first wedge block is arranged below the first wedge block, a sliding block is symmetrically and fixedly connected to the bottom surface of the second wedge block, a sliding groove matched with the sliding block is slidingly connected to the outer side of the sliding block, and the sliding groove is symmetrically and fixedly connected to the top surface of the longitudinal beam; the middle part symmetry rigid coupling of backup pad bottom surface has the guide bar, inlays on the longeron to be equipped with the uide bushing that the slip cap was established in the guide bar outside, and common screw thread runs through on two second wedge has the threaded rod, and the threaded rod is two-way threaded rod, has seted up the screw hole with threaded rod positive and negative screw looks adaptation on two second wedge respectively, and the both ends of threaded rod are all rotated and are installed on the longeron, and the one end outside of threaded rod is equipped with hydraulic motor, hydraulic motor's output and the tip fixed connection of threaded rod.
Further, the optimization scheme of the utility model is as follows:
the middle part of longeron is equipped with adjusts bearing structure, adjusts bearing structure and includes third wedge and fourth wedge.
The lower part fixedly connected with cushion of third wedge, the cushion cover is established in the outside of threaded rod and with longeron fixed mounting, and the top at the third wedge is established to the fourth wedge, and third wedge and fourth wedge laminating and slip.
The top surface equidistance of fourth wedge is equipped with a plurality of equal thickness backing plates, and the top fixedly connected with location dog of third wedge.
Bolts symmetrically penetrate through the fourth wedge-shaped block, and nuts are connected with one ends of the bolts through the third wedge-shaped block in a threaded mode.
The fourth wedge block is provided with a round hole for the bolt to penetrate through, and the third wedge block is provided with a strip hole for the bolt to penetrate through and move.
Compared with the prior art, the utility model has the beneficial effects that:
when the load is on the top, the load on the top is transmitted to the longitudinal beam, and then the load is transmitted to the transverse beam through the longitudinal beam, so that enough operation space is provided, the stability and safety of supporting and unloading are ensured, a plurality of supporting plates can be synchronously unloaded according to the field requirement or the structural design requirement, the downwarping deformation of the main body structure is controlled, the supporting and unloading can be effectively carried out, and the smooth unloading is carried out;
when the backing plates are pulled out one by one, unloading of each stage can be guaranteed according to a preset descending release amount, the unloading amount of the first wedge-shaped block and the second wedge-shaped block is effectively controlled, and direct excessive unloading is avoided;
through the cooperation between third wedge, fourth wedge, location dog, bolt, nut and the rectangular hole use for can loosen the support of backing plate through third wedge, fourth wedge, make things convenient for the take out of backing plate.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a transverse cross-sectional view of fig. 1.
In the figure: a cross beam 1; a longitudinal beam 2; a support plate 3; a first wedge 4; a second wedge 5; a slider 6; a chute 7; a guide rod 8; a guide sleeve 9; a threaded rod 10; a hydraulic motor 11; adjusting the support structure 12; a third wedge 13; a fourth wedge 14; a pad 15; a backing plate 16; a positioning stopper 17; a bolt 18; a nut 19; and an elongated aperture 20.
Detailed Description
The utility model is further described in detail below with reference to the drawings and examples.
Referring to fig. 1-3, the present embodiment is a large-scale venue steel structure supporting and unloading device, which mainly comprises a cross beam 1, a longitudinal beam 2, a supporting plate 3, a first wedge block 4, a second wedge block 5, a sliding block 6, a sliding chute 7 and a guide rod 8. The top surface welding of crossbeam 1 has longeron 2, and the top of longeron 2 is equipped with horizontal backup pad 3, and the bottom surface symmetry fixedly connected with first wedge 4 of backup pad 3 is equipped with the second wedge 5 rather than looks adaptation below of first wedge 4, and second wedge 5 is laminated and is slided with first wedge 4.
The bottom surface symmetry fixedly connected with slider 6 of second wedge 5, the outside sliding connection of slider 6 have rather than the spout 7 of looks adaptation, and spout 7 symmetry fixedly connected is at the top surface of longeron 2. The middle part symmetry fixedly connected with vertical guide bar 8 of backup pad 3, the lower extreme of guide bar 8 runs through longeron 2, inlays on longeron 2 to be equipped with the uide bushing 9 of slip cap in the guide bar 8 outside. The common threads on the two second wedge blocks 5 penetrate through a threaded rod 10, the threaded rod 10 is a bidirectional threaded rod, and threaded holes matched with the positive and negative threads of the threaded rod 10 are respectively formed in the two second wedge blocks 5. Both ends of the threaded rod 10 are rotatably mounted on the longitudinal beam 2 through bearing seats, a hydraulic motor 11 is arranged outside one end of the threaded rod 10, and the output end of the hydraulic motor 11 is connected with the end of the threaded rod 10 through a coupler.
The middle part of the longitudinal beam 2 is provided with an adjusting support structure 12, and the adjusting support structure 12 mainly comprises a third wedge-shaped block 13 and a fourth wedge-shaped block 14. The cushion block 15 is fixedly connected to the lower portion of the third wedge-shaped block 13, the cushion block 15 is sleeved on the outer side of the threaded rod 10 and fixedly installed with the longitudinal beam 2, the fourth wedge-shaped block 14 is arranged above the third wedge-shaped block 13, and the third wedge-shaped block 13 and the fourth wedge-shaped block 14 are attached to each other and slide. The top surface of the fourth wedge-shaped block 14 is equidistantly provided with a plurality of equal-thickness base plates 16, and the top of the third wedge-shaped block 13 is fixedly connected with a positioning stop block 17. Bolts 18 symmetrically penetrate through the fourth wedge-shaped block 14, and nuts 19 are connected with one ends of the bolts 18 in a threaded mode after penetrating through the third wedge-shaped block 13. The fourth wedge block 14 is provided with a round hole for the penetration of the bolt 18, and the third wedge block 13 is provided with a strip hole 20 for the penetration and movement of the bolt 18.
The working procedure of this embodiment is:
when the hydraulic motor is used, when unloading is needed, the connection of the bolt 18 and the nut 19 is firstly loosened, so that the third wedge-shaped block 13 and the fourth wedge-shaped block 14 slide relatively, the pressing of the base plate 16 is loosened, one base plate 16 is removed, the bolt 18 and the nut 19 are locked again, the height positioning is carried out through the positioning block 17, a gap with the thickness of one base plate 16 is kept between the top base plate 16 and the supporting plate 3, the hydraulic motor 11 is started, the threaded rod 10 is driven to rotate, the second wedge-shaped block 15 is driven to slide on the sliding groove 7 through the sliding block 6, the first wedge-shaped block 4 and the second wedge-shaped block 5 slide relatively, the supporting plate 3 is lowered until the steel structure is padded on the base plate 16, the hydraulic motor 11 is stopped, unloading of a fixed stage is completed, and the hydraulic motor is fully operated until unloading is completed.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the claims, but rather the equivalent structural changes made by the application of the present description and drawings are intended to be included within the scope of the claims.

Claims (6)

1. The utility model provides a large-scale venue steel structure supports uninstallation device, includes crossbeam (1), its characterized in that:
the top surface of the cross beam (1) is fixedly connected with a longitudinal beam (2), a supporting plate (3) is arranged above the longitudinal beam (2), a first wedge block (4) is symmetrically and fixedly connected to the bottom surface of the supporting plate (3), a second wedge block (5) matched with the first wedge block is arranged below the first wedge block (4), a sliding block (6) is symmetrically and fixedly connected to the bottom surface of the second wedge block (5), a sliding groove (7) matched with the sliding block is slidably connected to the outer side of the sliding block (6), and the sliding groove (7) is symmetrically and fixedly connected to the top surface of the longitudinal beam (2);
guide bars (8) are symmetrically fixedly connected to the middle of the bottom surface of the supporting plate (3), guide sleeves (9) which are sleeved outside the guide bars (8) in a sliding mode are embedded in the longitudinal beams (2), threaded rods (10) penetrate through common threads of the two second wedge-shaped blocks (5), the threaded rods (10) are bidirectional threaded rods, threaded holes which are matched with the positive and negative threads of the threaded rods (10) are respectively formed in the two second wedge-shaped blocks (5), two ends of each threaded rod (10) are rotatably installed on the longitudinal beams (2), hydraulic motors (11) are arranged outside one ends of the threaded rods (10), and the output ends of the hydraulic motors (11) are fixedly connected with the end portions of the threaded rods (10).
2. A large venue steel structure support unloading device according to claim 1, wherein: the middle part of longeron (2) is equipped with adjusts bearing structure (12), adjusts bearing structure (12) and includes third wedge (13) and fourth wedge (14).
3. A large venue steel structure support unloading device according to claim 2, wherein: the lower part fixedly connected with cushion (15) of third wedge (13), cushion (15) cover are established in the outside of threaded rod (10) and with longeron (2) fixed mounting, and fourth wedge (14) are established in the top of third wedge (13), and third wedge (13) and fourth wedge (14) laminating and slip.
4. A large venue steel structure support unloading device according to claim 2, wherein: the top surface of fourth wedge (14) equidistance is equipped with a plurality of equal thickness backing plates (16), and the top fixedly connected with location dog (17) of third wedge (13).
5. A large venue steel structure support unloading device according to claim 2, wherein: bolts (18) symmetrically penetrate through the fourth wedge-shaped block (14), and nuts (19) are connected with one ends of the bolts (18) in a threaded mode after penetrating through the third wedge-shaped block (13).
6. A large venue steel structure support unloading device according to claim 5, wherein: the fourth wedge block (14) is provided with a round hole for the penetration of the bolt (18), and the third wedge block (13) is provided with a strip hole (20) for the penetration and movement of the bolt (18).
CN202322012512.7U 2023-07-28 2023-07-28 Large-scale venue steel structure supports uninstallation device Active CN220414962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322012512.7U CN220414962U (en) 2023-07-28 2023-07-28 Large-scale venue steel structure supports uninstallation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322012512.7U CN220414962U (en) 2023-07-28 2023-07-28 Large-scale venue steel structure supports uninstallation device

Publications (1)

Publication Number Publication Date
CN220414962U true CN220414962U (en) 2024-01-30

Family

ID=89646192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322012512.7U Active CN220414962U (en) 2023-07-28 2023-07-28 Large-scale venue steel structure supports uninstallation device

Country Status (1)

Country Link
CN (1) CN220414962U (en)

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