CN209817385U - Cantilever beam for cantilever scaffold - Google Patents
Cantilever beam for cantilever scaffold Download PDFInfo
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- CN209817385U CN209817385U CN201920154806.4U CN201920154806U CN209817385U CN 209817385 U CN209817385 U CN 209817385U CN 201920154806 U CN201920154806 U CN 201920154806U CN 209817385 U CN209817385 U CN 209817385U
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Abstract
The utility model provides a scaffold frame of encorbelmenting is with cantilever beam, includes: i-shaped steel; the bracket comprises a horizontal top plate and a plurality of pairs of vertical plates extending downwards and outwards from two sides of the top plate in a multi-stage right-angle ladder manner, the distance between each pair of vertical plates is respectively equal to the width of a flange plate of an I-steel with a corresponding specification, and the bracket is buckled and pressed on the flange plate of the I-steel with the one specification, so that the pair of vertical plates are clamped on two sides of the flange plate; the positioning bolts are screwed on the pair of vertical plates clamped at the two sides of the flange plate, and the end parts of the screw rods of the positioning bolts are supported on the web plate of the I-shaped steel; the locating rod is fixed on the outer side plate surface of the top plate, and the axis of the locating rod is perpendicular to the outer side plate surface of the top plate. The utility model changes the construction method of the positioning spot welding installation and the gas cutting demolition of the cantilever beam for the cantilever scaffold, and has simple and convenient manufacture and installation; the cantilever beam and the positioning rod can be repeatedly utilized; the working efficiency is improved, and the construction risk is reduced; saves a large amount of labor and materials and reduces the construction cost.
Description
Technical Field
The utility model relates to a building field, specifically speaking relates to a scaffold frame of encorbelmenting is with cantilever beam.
Background
In the construction of building construction especially high-rise building construction, often will use the scaffold frame of encorbelmenting, the scaffold frame of encorbelmenting is installed on shaped steel cantilever beam. The fixed point that is used for scaffold frame pole setting and girder steel reliable fixed that the end setting of encorbelmenting at shaped steel cantilever beam was used for, this fixed point adopts the long 0.2m of vertical welding usually, the mode of diameter 25 mm's reinforcing bar, nevertheless need cut this kind of fixed point with gas cutting when shaped steel cantilever beam demolishs, demolishs work and takes time and labor, and the fixed point can not used repeatedly, is unfavorable for reducing construction cost, and gas cutting is also great when demolishing the operation in addition.
The invention provides a novel cantilever beam for a profile steel cantilever scaffold, which is used for conveniently removing the cantilever beam of the profile steel cantilever scaffold, reducing the construction cost and improving the safety of the removing operation.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a scaffold frame of encorbelmenting is with cantilever beam, include: i-shaped steel; the bracket comprises a horizontal top plate and a plurality of pairs of vertical plates extending downwards and outwards from two sides of the top plate in a multi-stage right-angle ladder manner, wherein the distance between each pair of vertical plates is respectively equal to the width of a flange plate of an I-shaped steel with a corresponding specification, and the bracket is buckled and pressed on the flange plate of the I-shaped steel with one specification, so that the pair of vertical plates are clamped on two sides of the flange plate; the positioning bolts are screwed on the pair of vertical plates clamped at the two sides of the flange plate, and the end parts of the screw rods of the positioning bolts are supported on the web plate of the I-shaped steel; the locating rod is fixed on the outer side plate surface of the top plate, and the axis of the locating rod is perpendicular to the outer side plate surface of the top plate.
The utility model changes the construction method of the positioning spot welding installation and the gas cutting demolition of the cantilever beam for the cantilever scaffold, and has simple and convenient manufacture and installation; the cantilever beam and the positioning rod can be repeatedly used; the working efficiency is improved, and the construction risk is reduced; saves a large amount of labor and materials and reduces the construction cost.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
Fig. 1 is a front view showing an outrigger for an outrigger scaffold using one-size i-steel according to a first embodiment of the present invention;
fig. 2 is a front view showing an outrigger for an outrigger scaffold using i-steel of another specification according to a first embodiment of the present invention;
fig. 3 is a side view showing an overhanging beam for an overhanging scaffold according to a first embodiment of the present invention;
fig. 4 is a schematic view showing a sleeve of an outrigger for an outrigger scaffold according to a second embodiment of the present invention;
fig. 5 is a front view showing an outrigger for an outrigger scaffold using one-size i-steel according to a third embodiment of the present invention.
Detailed Description
Embodiments of an overhanging beam for an overhanging scaffold according to the present invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.
First embodiment
As shown in fig. 1, the cantilever beam for a cantilever scaffold of the first embodiment includes an i-steel 4, a bracket 2, a sleeve 5, a positioning rod 1, and a positioning bolt 3. The carrier 2 is in the form of a multi-stage right-angled ladder, and the present embodiment is illustrated by way of example as a two-stage right-angled ladder. Specifically, the bracket 2 has a horizontal top plate 21 and first standing plates 22 vertically bent downward from both sides of the top plate 21, respectively, and a horizontal plate 23 is horizontally bent outward from the lower end of each first standing plate 22, and a second standing plate 24 is vertically bent downward again from the horizontal plate 23. The channel steel with the form similar to that of a plurality of channel steel with different channel widths is sequentially stacked and inverted according to the sequence of the channel widths from large to small, and the corresponding width is cut on the channel steel at the next layer according to the channel width. And the distance between the vertical plates of any stage is equal to the width of the flange plate 41 of the I-steel 4 with a certain specification. So that the bracket 2 can be placed on the flange plate 41 of a standard i-steel 4 according to the standard of the i-steel 4. For example, the width of the flange plate 41 of 20A # I-steel is 100mm, and the width of the flange plate 41 of 24A # I-steel is 116 mm. Then correspondingly, the distance between the first vertical plates 22 is 100mm, and the distance between the second vertical plates 24 is 116 mm. Therefore, in correspondence to the 20A # i-beam, the first vertical plate 22 may be clamped at both sides of the flange plate 41 in the width direction, and the top plate 21 may be in contact with the outer plate surface of the flange plate 41 of the 20A # i-beam. As shown in fig. 2, the second vertical plate 24 is clamped on both sides of the flange plate 41 in the width direction, and the top plate 21 does not contact with the flange plate 41, corresponding to the 24A # i-beam. In the form shown in figure 1. The above is only an example of a bracket in two steps, but the bracket 2 may have a right-angled step form in more than two steps.
The sleeve 5 is fixed to the outer plate surface of the top plate 21 of the bracket 2 by welding, and the axis of the sleeve 5 is perpendicular to the outer plate surface of the top plate 21. The locating rod 1 is provided with the external screw thread with sleeve 5 complex one end, is provided with the internal thread in the sleeve 5, and locating rod 1 can close soon in sleeve 5.
At least one positioning bolt fixing hole is drilled in each first vertical plate 22 and each second vertical plate 24, the positioning bolt 3 is screwed in the positioning bolt fixing hole, and the end part of the positioning bolt 3 is in contact with the web plate of the I-shaped steel 4, so that the bracket 2 is fixed on the I-shaped steel 4.
In the installation the utility model discloses during scaffold frame cantilever beam encorbelments, will encorbelment the one end of roof beam and fix on the building, at its other end installation bracket 2, with locating lever 1 screw in sleeve 5 in. The positioning bolt 3 is tightened and fixed. Then the scaffold upright rod can be sleeved on the positioning rod 1 of the positioning round steel 1 to carry out erection operation. After the scaffold is dismantled after construction, the positioning rod 1 is screwed out, and the positioning bolt 3 is unscrewed, so that the bracket 2 can be taken down.
In an alternative embodiment, an external thread is further arranged on the outer wall of the sleeve 5, and a positioning sleeve (not shown) is further arranged on the outer side of the positioning rod 1, the positioning sleeve can be screwed with the external thread of the sleeve 5, and different positioning sleeves can be installed according to the diameter of the scaffold stand rod.
In an alternative embodiment, the width of the flange plate of the I-steel is not less than 100 mm.
In an alternative embodiment, a hanging ring is further disposed on the outer plate surface of the top plate 21.
In an alternative embodiment, the top plate 21 is provided with a positioning hole, and the positioning rod 1 can be screwed into the positioning hole (not shown) without providing the sleeve 5.
Second embodiment
The structure of the second embodiment is basically the same as that of the first embodiment, and only the different structure will be described below. To accurately position the position of the positioning rod 1, the sleeve 5 may be provided as a sliding type. The top plate 21 is provided with an inverted T-shaped groove 7 extending in the width direction of the i-beam, and as shown in fig. 2, an insertion block 51 extends from the bottom end of the sleeve 5, and the insertion block 51 is inserted into the inverted T-shaped groove 7 and can slide in the length direction of the inverted T-shaped groove 7. Further, the slide bolt 6 extends from the insertion block 51 to both sides, and the head 63 of the slide bolt 6 is fixedly connected to the insertion block 51 and inserted into the inverted T-shaped groove 7. The shaft 61 of the slide bolt 6 extends upwardly out of the inverted T-shaped slot. When positioning, the bracket can be arranged at a set position in the length direction of the I-steel, and then the position of the sleeve 5 is adjusted along the width direction of the I-steel. The sleeve 5 is fixed by sliding the sleeve to a set position along the length of the inverted T-shaped slot 7 and then by adjusting the nut 62.
Third embodiment
The third embodiment has basically the same structure as the first and second embodiments, and only a different structure will be described below. The I-shaped steel 4 is provided with a hole 26 penetrating through a web plate of the I-shaped steel 4, and the split bolt 8 penetrates through two ends of the hole 26 and is respectively installed on the corresponding second vertical plates 24 through nuts 9. Of course, the tie bolts are installed on the second vertical plate 24 because the second vertical plate 24 clamps the flange plate 41. Therefore, more specifically, the tie bolts are fixed to the vertical plates of the flange plates 41 holding the i-section steel 4.
The following is a description of the installation process of the cantilever beam for the cantilever scaffold of the first embodiment, wherein the numerical values are merely exemplary and are not intended to limit the present embodiment.
(1) Welding the sleeve 5 at the positioning point of the top plate 21 of the bracket 2;
(2) processing hot-rolled ribbed steel bars with the diameter of 25mm into a length of 200mm, and threading one end of each section by using a threading machine to form a positioning rod 1;
(3) screwing the positioning rod 1 into the sleeve 5 by using a wrench;
(4) placing the bracket 2 on the I-shaped steel 4, so that a pair of vertical plates of the bracket 2 can be in contact clamping with two sides of a flange plate of the I-shaped steel;
(5) screwing down the positioning bolt 3 to enable the end part of the positioning bolt 3 to be propped against a web plate of the I-shaped steel 4, and completing the manufacturing and installation of the cantilever beam for the novel section steel cantilever scaffold;
(6) when the positioning bolt is disassembled, the positioning bolt 3 is unscrewed by a wrench, the bracket 2 can be disassembled from the I-shaped steel 4, and the positioning rod 1 can also be disassembled.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a scaffold frame of encorbelmenting is with cantilever beam which characterized in that includes:
i-shaped steel;
the bracket comprises a horizontal top plate and a plurality of pairs of vertical plates extending downwards and outwards from two sides of the top plate in a multi-stage right-angle ladder manner, wherein the distance between each pair of vertical plates is respectively equal to the width of a flange plate of an I-shaped steel with a corresponding specification, and the bracket is buckled and pressed on the flange plate of the I-shaped steel with one specification, so that the pair of vertical plates are clamped on two sides of the flange plate;
the positioning bolts are screwed on the pair of vertical plates clamped at the two sides of the flange plate, and the end parts of the screw rods of the positioning bolts are supported on the web plate of the I-shaped steel;
the locating rod is fixed on the outer side plate surface of the top plate, and the axis of the locating rod is perpendicular to the outer side plate surface of the top plate.
2. The cantilever beam for a cantilever scaffold according to claim 1, further comprising a sleeve,
the sleeve is fixed on the plate surface of the outer side of the top plate, the axis of the sleeve is perpendicular to the plate surface of the top plate, and the positioning rod is in threaded connection with the sleeve.
3. The cantilever beam for the cantilever scaffold of claim 1, further comprising a sleeve, wherein the sleeve is of a sliding type, the top plate is provided with an inverted T-shaped groove extending along the width direction of the i-beam, an embedded block extends from the bottom end of the sleeve, the embedded block is slidably embedded in the inverted T-shaped groove, sliding bolts respectively extend from the embedded block to both sides along the length direction of the inverted T-shaped groove, the head of each sliding bolt is fixedly connected with the embedded block and embedded in the inverted T-shaped groove, the rod of each sliding bolt extends out of the inverted T-shaped groove, and an adjusting nut is screwed on a screw rod of each sliding bolt extending out of the inverted T-shaped groove.
4. An outrigger for an overhanging scaffold according to claim 2 or 3,
and the sleeve is also provided with an external thread.
5. An cantilever beam for a cantilever scaffold according to claim 1,
the width of the flange plate of the I-shaped steel is not less than 100 mm.
6. An cantilever beam for a cantilever scaffold according to claim 1,
and a hanging ring is also arranged on the outer side plate surface of the top plate.
7. An cantilever beam for a cantilever scaffold according to claim 1,
the top plate is provided with a positioning hole, and the positioning rod is screwed on the positioning hole.
8. An cantilever beam for a cantilever scaffold according to claim 1,
the I-steel is provided with a hole penetrating through an I-steel web, and a split bolt penetrates through two ends of the hole and is fixed on a pair of vertical plates clamped on two sides of the flange plate through nuts respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920154806.4U CN209817385U (en) | 2019-01-29 | 2019-01-29 | Cantilever beam for cantilever scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920154806.4U CN209817385U (en) | 2019-01-29 | 2019-01-29 | Cantilever beam for cantilever scaffold |
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| Publication Number | Publication Date |
|---|---|
| CN209817385U true CN209817385U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920154806.4U Active CN209817385U (en) | 2019-01-29 | 2019-01-29 | Cantilever beam for cantilever scaffold |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924670A (en) * | 2019-12-25 | 2020-03-27 | 中国二冶集团有限公司 | Fixing device for I-steel of cantilever beam scaffold |
| CN114278070A (en) * | 2021-12-22 | 2022-04-05 | 上海建工五建集团有限公司 | Cantilever beam positioning device and using method thereof |
| CN115262938A (en) * | 2022-07-12 | 2022-11-01 | 中国二十冶集团有限公司 | Auxiliary positioning tool for erecting cantilever type steel pipe scaffold |
-
2019
- 2019-01-29 CN CN201920154806.4U patent/CN209817385U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924670A (en) * | 2019-12-25 | 2020-03-27 | 中国二冶集团有限公司 | Fixing device for I-steel of cantilever beam scaffold |
| CN114278070A (en) * | 2021-12-22 | 2022-04-05 | 上海建工五建集团有限公司 | Cantilever beam positioning device and using method thereof |
| CN115262938A (en) * | 2022-07-12 | 2022-11-01 | 中国二十冶集团有限公司 | Auxiliary positioning tool for erecting cantilever type steel pipe scaffold |
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