CN210713862U - Temporary supporting device of large-span truss - Google Patents
Temporary supporting device of large-span truss Download PDFInfo
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- CN210713862U CN210713862U CN201921249260.7U CN201921249260U CN210713862U CN 210713862 U CN210713862 U CN 210713862U CN 201921249260 U CN201921249260 U CN 201921249260U CN 210713862 U CN210713862 U CN 210713862U
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Abstract
The utility model provides an interim strutting arrangement of large-span truss, include: a base; the bearing platform is arranged on the base in a turnover mode, and a through groove for accommodating the truss is formed in the bearing platform; and at least two length-adjustable oblique supporting pieces, wherein each oblique supporting piece is provided with a first end used for being connected with the truss and a second end connected with the base, and the at least two oblique supporting pieces are respectively arranged on two opposite sides of the bearing platform. The utility model provides a difficult problem of installation angle location of large-span truss.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to interim strutting arrangement of large-span truss.
Background
At present, along with the continuous emergence of large-span buildings, the construction of steel structures is gradually increased, and the problems of accurate positioning and installation after welding and assembling of large-span trusses become more prominent. During traditional construction, some large-span trusses are hoisted in place through the cooperation of tower cranes and truck cranes. When the tower crane and the truck crane are cooperatively constructed, precise operation is needed, after the welded truss is firstly turned over by the two devices, one device is removed, and the truss is hung to the installation position by the other device. Further angular or positional adjustment of the truss is required after being hoisted to the respective installation position. In the installation process of the truss, the truss is easy to rotate and difficult to position, and the potential safety hazard of construction is increased; meanwhile, the renting cost of the crane needs to be paid additionally, the construction cost of the project is increased, the construction efficiency of the site is reduced, and meanwhile, the final installation precision cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the temporary supporting device for the large-span truss is provided so as to solve the problem that the installation angle of the large-span truss is difficult to position.
In order to achieve the above objects, there is provided a temporary supporting device for a long-span truss, comprising:
a base;
the bearing platform is arranged on the base in a turnover mode, and a through groove for accommodating the truss is formed in the bearing platform; and
at least two diagonal support members with adjustable length, the diagonal support member has a first end used for connecting the truss and a second end connected to the base, the at least two diagonal support members are respectively arranged on two opposite sides of the bearing platform.
Furthermore, the bottom of the bearing platform is connected with a hinged piece, an arc surface is formed at the bottom of the hinged piece, a containing groove is formed in the base, and the arc surface at the bottom of the hinged piece is rotatably placed in the containing groove.
Further, the hinge is spherical.
Furthermore, an indicating disc for displaying the rotation angle of the hinge is arranged on the outer side wall of the base.
Further, the indicating dial includes:
the disc body is arranged on the outer side wall of the base and provided with a first shaft hole, scale marks are carved on the disc body, and the scale marks are arranged in an arc shape by taking the shaft hole as an arc center;
the side wall of the base is provided with a second shaft hole communicated with the accommodating groove, the second shaft hole is aligned with the first shaft hole, the rotating shaft assembly is rotatably arranged in the first shaft hole and the second shaft hole in a penetrating way, and the first end of the rotating shaft assembly is connected to the hinged piece; and
the pointer is arranged along the disc surface of the disc body, the first end of the pointer is connected to the second end of the rotating shaft assembly, and the second end of the pointer is aligned to the scale mark.
Further, the spindle assembly includes:
the rotating shaft is rotatably arranged in the first shaft hole and the second shaft hole in a penetrating mode, and the first end of the pointer is connected to the first end of the rotating shaft; and
the articulated shaft, the articulated shaft rotationally wears to locate in the second shaft hole, the first end of articulated shaft articulated connect in the second end of pivot, the second end of articulated shaft articulated connect in the articulated elements.
Further, the bearing platform comprises:
the bearing plate is arranged on the base in a turnover mode; and
the two ends of the bearing plate are respectively connected with the clamping plates, and the through groove is formed between the two clamping plates and the bearing plate.
Furthermore, the two ends of the bearing plate are respectively provided with a slideway, the clamping plate is connected with an inserting plate, the inserting plate is slidably arranged in the slideways, and a fastening piece used for locking and fixing the inserting plate is arranged in the slideways.
The beneficial effects of the utility model reside in that, the utility model discloses an interim strutting arrangement of large-span truss is through the truss holding that will treat the installation in logical groove on the cushion cap, supports diagonal support piece in the relative both sides of truss again, ensures the stability of truss at the in-process of upset truss, has improved the efficiency of the installation location of truss, has reduced the construction cost of the large-scale engineering apparatus of use of truss installation.
Drawings
Fig. 1 is a schematic structural diagram of a temporary supporting device for a large-span truss according to an embodiment of the present invention.
Fig. 2 is a front view of the temporary supporting device for a long-span truss according to an embodiment of the present invention.
Fig. 3 is a schematic view of a connection node between a bearing platform and a base according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an indicating dial according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a splint according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a trimming plate according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a turning state of the large-span truss according to the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is the utility model discloses the interim strutting arrangement's of large-span truss structure schematic diagram, fig. 2 do the utility model discloses a temporary strutting arrangement's of large-span truss main view, fig. 3 do the utility model discloses a cushion cap and base connected node's schematic diagram, fig. 4 do the utility model discloses a structural schematic diagram, fig. 5 of indicating disc do the utility model discloses a structural schematic diagram, fig. 6 of splint do the utility model discloses a fine-tuning board's structural schematic diagram, fig. 7 do the utility model discloses a large-span truss upset state schematic diagram.
Referring to fig. 1 to 7, the utility model provides a temporary support device of large-span truss, include: base 1, cushion cap 2 and diagonal support 5.
Specifically, the platform 2 is installed on the base 1 in a turnable manner. The bearing platform 2 is provided with a through groove for accommodating the truss 6. The number of diagonal support members 5 is at least two. The diagonal support 5 is adjustable in length. The diagonal support member 5 has a first end for connecting the truss 6 and a second end connected to the base 1. At least two inclined supporting pieces 5 are respectively arranged on two opposite sides of the bearing platform 2.
The utility model discloses an interim strutting arrangement of large-span truss is through treating the truss holding of installation in logical groove on the cushion cap, supports diagonal support piece in the relative both sides of truss again, ensures the stability of truss at the in-process of upset truss, has improved the efficiency of the installation location of truss, has reduced the construction cost of the large-scale engineering apparatus of use of truss installation.
Specifically, in the present embodiment, a hinge 3 is connected to the bottom of the platform 2. The bottom of the hinge 3 is formed with a curved surface. The base 1 is formed with a receiving groove 10. Preferably, in order to improve the stability of the temporary supporting device, the accommodating groove 10 is disposed in the middle of the base 1. The arc surface of the bottom of the hinge 3 is rotatably placed in the receiving groove 10.
As a preferred embodiment, the inside of the accommodating groove forms an arc groove bottom matched with the radian of the bottom arc surface of the hinge member.
In this embodiment, the hinge 3 is spherical for more flexible adjustment of the truss turning angle.
As a preferred embodiment, an indication panel 4 for displaying the rotation angle of the hinge is disposed on an outer side wall of the accommodating groove of the base 1. In the truss overturning process, constructors can clearly know the actual overturning angle of the truss on the bearing platform according to the overturning angle displayed by the indicating disc.
Specifically, in the present embodiment, the indicator panel 4 includes: a disc body 41, a spindle assembly 42, and a pointer 43.
The tray body 41 is mounted on the outer side wall of the receiving groove of the base 1. The disk 41 has a first axial hole at its axial center. The surface of the disk body 41 is marked with scale marks which are arranged in an arc shape by taking the first shaft hole as an arc center.
The side wall of the containing groove of the base 1 is provided with a second shaft hole. The second shaft hole is communicated with the accommodating groove 10, and the second shaft hole is aligned to the first shaft hole. The rotating shaft assembly 42 is rotatably disposed in the first shaft hole and the second shaft hole. The first end of the pivot assembly 42 is connected to the hinge 3.
The pointer 43 is disposed on the disk surface in the radial direction of the disk body 41. A first end of the pointer 43 is connected to a second end of the rotary shaft assembly 42. The second end of the pointer 43 is aligned with the graduation marks.
When articulated elements 3 overturn, drive the coaxial rotation of pivot subassembly, and then make the pointer rotatory around first axle hole and point to corresponding flip angle's scale mark on, constructor then can be quick understanding upper portion truss's flip angle (the upset here is the rotation of truss around its axis direction) through observing the pointer.
In actual construction, the truss cannot be always arranged in the horizontal direction. In order to accurately display the turning angle of the truss when one end of the truss is tilted up, the rotating shaft assembly 42 comprises a rotating shaft 421 and a hinge shaft 422.
Specifically, the rotating shaft 421 is rotatably disposed in the first shaft hole and the second shaft hole. A first end of the pointer 43 is connected to a first end of the rotation shaft 421. The hinge shaft 422 is rotatably inserted into the second shaft hole. A first end of the hinge shaft 422 is hinge-coupled to a second end of the rotation shaft 421. The second end of the hinge shaft 422 is hinge-coupled to the hinge member 3. The inner part of the second shaft hole is provided with a movable space for enabling the articulated shaft to rotate around the axial direction of the articulated shaft, so that the articulated shaft can rotate freely.
In the present embodiment, the deck 2 includes a deck plate 21 and a clamp plate 22.
The platform plate 21 is mounted on the base 1 in a turnable manner. Further, the bottom of the bearing plate is connected to the top of the hinge. The bearing plate 21 has clamping plates 22 mounted at both ends thereof. The through groove is formed between the clamping plates 22 at the two ends of the bearing plate and the bearing plate 21.
In order to adapt the length of the through groove to the thickness of the trusses with various specifications, two ends of the bearing plate 21 are respectively provided with a slideway. An insert plate 221 is connected to the bottom of the clamping plate 22. The insertion plate 221 is slidably disposed in the slide way. A fastener for locking the inserting plate 221 is arranged in the slideway. In this embodiment, the first fastening hole has been seted up to the bolster board, and the second fastening hole has been seted up to the picture peg, and the fastener is inserted and is located in corresponding first fastening hole and second fastening hole in order to fix the length of logical groove. Preferably, the number of the second fastening holes is multiple. The second fastening holes are arranged at intervals along the length direction of the inserting plate.
In this embodiment, the bottom of the support beam of the lower part of the truss is formed with a flange plate which is received in the through slot. In order to further improve the stability of the truss in the overturning process, the clamping plate is connected with a limiting plate used for abutting against the upper part of the flange plate. The limiting plates form locking spaces for locking the flange plates between the inserting plates.
In order to adapt to the thicknesses of flange plates of various specifications, the limiting plate is connected with a sliding block, a vertical sliding groove is formed in the inner side of the clamping plate, and the sliding block is arranged in the sliding groove in a sliding mode. The sliding block is provided with a locking piece for locking the sliding block in the sliding groove. Specifically, a first fastening hole is formed in the sliding block, a second fastening hole is formed in the inner wall of the sliding groove, and the fastening piece is inserted into the first fastening hole and the second fastening hole to lock the sliding block. Preferably, the number of the second fastening holes is plural. The plurality of fastening holes are arranged at intervals along the length direction of the sliding chute.
In order to improve the construction efficiency of placing the truss in the through groove, the clamping plates are provided with fine adjustment plates for abutting against the side parts of the flange plates. The fine tuning board is positioned between the limiting board and the inserting board.
Specifically, the trimming plate 24 includes a first plate body connected to the clamping plate, an insertion hole is formed in the first plate body, and a second plate body is slidably inserted into the insertion hole. The bolt hole of intercommunication jack is seted up on the first plate body, and the bolt is equipped with in the bolt hole, and the bolt extends in the jack and supports tightly the second plate body.
In this embodiment, the bolt hole is provided with an internal thread, the bolt is provided with an external thread, and the bolt is threadedly connected to the insertion hole.
In a preferred embodiment, the axis of the hinge is arranged along the width of the through slot. The first shaft hole and the second shaft hole are arranged along the width direction of the through groove.
In some embodiments, the diagonal support is a telescoping diagonal support. Specifically, the diagonal support member includes a first connecting rod, a second connecting rod, and a sleeve. The first connecting rod has a first end and a second end for connecting the truss. The first end of the first connecting rod is provided with an external thread. The second connecting rod has a third end and a fourth end connected to the base. The third end is provided with an external thread. The inner part of the sleeve is provided with internal threads matched with the external threads of the first connecting rod and the second connecting rod. The two ends of the sleeve are respectively in threaded connection with the first end of the first connecting rod and the third end of the second connecting rod.
A method for installing a large-span truss comprises the following steps:
s1: the first ends of the trusses 6 are received in the through grooves of the cap 2, and the first ends of the at least two diagonal support members 5 are respectively connected to opposite sides of the trusses 6, so that the at least two diagonal support members 5 are temporarily supported between the trusses 6 and the base 1.
Providing the temporary supporting device for the long-span truss, accommodating the first end of the truss 6 in the through groove of the bearing platform 2, and respectively connecting the first ends of the at least two diagonal supporting members 5 to the two opposite sides of the truss 6, so that the at least two diagonal supporting members 5 are respectively temporarily supported between the truss 6 and the end of the base 1. The two ends of the oblique supporting piece are respectively movably connected with the truss and the base.
Further, the first end of the truss 6 is accommodated in the through groove of the bearing platform 2, the flange plate at the bottom of the truss is installed in a manner of being matched with the width of the through groove in an adjusting manner, so that the limiting plate is pressed against the upper surface of the flange plate, the inserting plate extends out of the first plate body and is pressed against the side part of the flange plate, the flange plate is firmly locked in the through groove, and the stability of the bottom of the truss in the lifting process is guaranteed.
S2: the truss 6 is turned over while the length of the diagonal support member 5 is adjusted to fit the turning angle of the truss 6.
The overturning truss is hoisted by utilizing hoisting machinery such as a crane or a tower crane, and the length of the oblique support piece is adjusted to adapt to the overturning of the first end of the truss in the overturning process of the truss.
S3: after the truss 6 is turned to a preset angle, the length of the inclined support member 5 is fixed, so that the first end of the truss 6 is placed at the preset angle.
Through observing the scale mark pointed by the pointer of the indicating dial, when the pointer points to the scale mark with the preset turning angle, the length of the inclined support piece is fixed, and the lower end of the inclined support piece is fixedly connected to the base.
S4: after the first end of the truss 6 is placed at a preset angle, the truss 6 is installed on a building structure.
After the turning angle pointed by the pointer of the indicating dial reaches a preset angle, the truss 6 is accurately positioned and safely installed on the building structure.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.
Claims (8)
1. A temporary support device for a large-span truss, comprising:
a base;
the bearing platform is arranged on the base in a turnover mode, and a through groove for accommodating the truss is formed in the bearing platform; and
at least two diagonal support members with adjustable length, the diagonal support member has a first end used for connecting the truss and a second end connected to the base, the at least two diagonal support members are respectively arranged on two opposite sides of the bearing platform.
2. The temporary supporting device for the large-span truss according to claim 1, wherein a hinge member is connected to a bottom of the bearing platform, an arc surface is formed at a bottom of the hinge member, a receiving groove is formed on the base, and the arc surface at the bottom of the hinge member is rotatably placed in the receiving groove.
3. The temporary support structure for a large-span truss of claim 2 wherein the hinge is spherical.
4. The temporary support device for a large-span truss according to claim 3, wherein an indication plate for displaying a rotation angle of the hinge member in a spherical shape is provided on an outer sidewall of the base.
5. The temporary support device for a large-span truss according to claim 4, wherein the indication plate comprises:
the disc body is arranged on the outer side wall of the base and provided with a first shaft hole, scale marks are carved on the disc body, and the scale marks are arranged in an arc shape by taking the shaft hole as an arc center;
the side wall of the base is provided with a second shaft hole communicated with the accommodating groove, the second shaft hole is aligned with the first shaft hole, the rotating shaft assembly is rotatably arranged in the first shaft hole and the second shaft hole in a penetrating way, and the first end of the rotating shaft assembly is connected to the hinged piece; and
the pointer is arranged along the disc surface of the disc body, the first end of the pointer is connected to the second end of the rotating shaft assembly, and the second end of the pointer is aligned to the scale mark.
6. The temporary support device for a large-span truss according to claim 5, wherein the rotary shaft assembly comprises:
the rotating shaft is rotatably arranged in the first shaft hole and the second shaft hole in a penetrating mode, and the first end of the pointer is connected to the first end of the rotating shaft; and
the articulated shaft, the articulated shaft rotationally wears to locate in the second shaft hole, the first end of articulated shaft articulated connect in the second end of pivot, the second end of articulated shaft articulated connect in the articulated elements.
7. The temporary support device for a large-span truss according to claim 1, wherein the cap comprises:
the bearing plate is arranged on the base in a turnover mode; and
the two ends of the bearing plate are respectively connected with the clamping plates, and the through groove is formed between the two clamping plates and the bearing plate.
8. The temporary supporting device for the large-span truss according to claim 7, wherein two ends of the bearing plate are respectively provided with a slideway, the clamping plate is connected with an inserting plate, the inserting plate is slidably arranged in the slideways, and a fastening piece for locking and fixing the inserting plate is arranged in each slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921249260.7U CN210713862U (en) | 2019-08-02 | 2019-08-02 | Temporary supporting device of large-span truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921249260.7U CN210713862U (en) | 2019-08-02 | 2019-08-02 | Temporary supporting device of large-span truss |
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| Publication Number | Publication Date |
|---|---|
| CN210713862U true CN210713862U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921249260.7U Active CN210713862U (en) | 2019-08-02 | 2019-08-02 | Temporary supporting device of large-span truss |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409842A (en) * | 2019-08-02 | 2019-11-05 | 中国建筑第八工程局有限公司 | The supporting apparatus of large-span truss and the installation method of large-span truss |
| CN115263019A (en) * | 2022-09-26 | 2022-11-01 | 中铁建设集团有限公司 | Interim support piece structure based on large-span reinforced concrete structure |
-
2019
- 2019-08-02 CN CN201921249260.7U patent/CN210713862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409842A (en) * | 2019-08-02 | 2019-11-05 | 中国建筑第八工程局有限公司 | The supporting apparatus of large-span truss and the installation method of large-span truss |
| CN110409842B (en) * | 2019-08-02 | 2023-06-09 | 中国建筑第八工程局有限公司 | Temporary supporting device of large-span truss and installation method of large-span truss |
| CN115263019A (en) * | 2022-09-26 | 2022-11-01 | 中铁建设集团有限公司 | Interim support piece structure based on large-span reinforced concrete structure |
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