CN108149927B - Cantilever beam tension and compression restraint device and using method thereof - Google Patents
Cantilever beam tension and compression restraint device and using method thereof Download PDFInfo
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- CN108149927B CN108149927B CN201711139888.7A CN201711139888A CN108149927B CN 108149927 B CN108149927 B CN 108149927B CN 201711139888 A CN201711139888 A CN 201711139888A CN 108149927 B CN108149927 B CN 108149927B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention relates to a tension and compression restraint device for an overhanging beam, which comprises an I-shaped steel overhanging beam, a door-shaped steel upper buckle plate, a square steel stiffening beam, a double-headed pull rod bolt, a single-headed pull rod bolt, an angle steel limiting lower buckle plate and a floor plate, wherein the floor plate is provided with the single-headed pull rod bolt corresponding to the I-shaped steel overhanging beam, the I-shaped steel overhanging beam is fixedly arranged on the floor plate through the door-shaped steel upper buckle plate, the lower end of the floor plate and the position corresponding to the door-shaped steel upper buckle plate are provided with the angle steel limiting lower buckle plate, the door-shaped steel upper buckle plate is connected with the angle steel limiting lower buckle plate through the double-headed pull rod bolt, and the square steel stiffening beam is arranged between. The invention has the advantages of easy manufacture and simple operation, is beneficial to safe construction, improves the construction efficiency and reduces the construction cost.
Description
Technical Field
The invention belongs to the technical field of construction in constructional engineering, and particularly relates to a tension and compression restraint device for a cantilever beam and a using method thereof.
Background
In general, in the construction of cantilever scaffolds in building construction engineering, a cantilever beam is fixed in a floor slab by a method of pre-embedding U-shaped bolts, and the cantilever beam is tightly plugged and fixed by a wood wedge after being installed, so that the problems that reinforcing steel bars need to be adopted in thinner concrete of the floor slab and the like, and the problem that the wood wedge is difficult to tightly plug and is difficult to standardize exist.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tension and compression restraint device for an overhanging beam and a using method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cantilever beam draws and presses restraint ware, buckle and floor under buckle, square steel stiffening beam, double-end pull rod bolt, single-end pull rod bolt, angle steel are spacing on I-steel cantilever beam, the door shape steel, wherein be equipped with the single-end pull rod bolt that corresponds with I-steel cantilever beam on the floor, buckle fixed mounting is on the floor on I-steel cantilever beam through door shape steel, buckle department of correspondence is equipped with the spacing buckle down of angle steel on floor lower extreme, the AND door shape steel, buckle passes through double-end pull rod bolted connection with the spacing buckle down of angle steel on the door shape steel, and is equipped with square steel stiffening beam between spacing lower buckle of angle steel and the floor.
According to a further technical scheme, a plurality of steel pipe limiting supports are welded on the upper portion of the front end of the I-shaped steel cantilever beam and used for ensuring that a mounting bearing platform is stable and does not move.
According to a further technical scheme, triangular steel plate stiffening ribs are arranged on the left side, the right side, the front side and the rear side of the door-shaped steel upper buckle plate respectively, and a bearing plate with a round hole is arranged between the triangular steel plate stiffening ribs on the front side and the rear side.
According to a further technical scheme, the single-head pull rod bolt is L-shaped.
According to a further technical scheme, the lower portion of the upper end threads of the double-end pull rod bolt is provided with a circular ring used for being hung on a small circular hole of a floor slab during installation.
According to a further technical scheme, the angle steel limiting lower buckle plate corresponds to the two door-shaped steel upper buckle plates respectively and is used for limiting the square steel stiffening beam to move.
According to a further technical scheme, a gap is formed between the upper end of the I-shaped steel cantilever beam and the upper buckle plate of the steel beam for adjusting installation errors.
According to a further technical scheme, a gap between the upper end of the I-shaped steel cantilever beam and the upper buckle plate of the steel in the shape of the door is 3 mm.
A using method of a tension and compression restraint device for an overhanging beam comprises the following steps:
(a) pre-burying a single-head pull rod bolt in the construction of a concrete structure, and reserving a small round hole on a floor slab for installing the double-head pull rod bolt;
(b) after floor cleaning is leveled as much as possible, installing in-place I-steel cantilever beams;
(c) a small round hole is reserved on the floor slab for placing a double-headed pull rod bolt;
(d) buckling the upper buckling plate of the portal steel on the I-shaped steel cantilever beam and installing the upper buckling plate of the portal steel on the double-headed pull rod bolt;
(e) the lower end of the floor slab is provided with an angle steel limiting lower buckle plate;
(f) a square steel stiffening beam is inserted between the angle steel limiting lower buckle plate and the floor slab;
(g) preliminarily screwing the bolt and the nut;
(h) a thin steel sheet is used for plugging a seam below the I-shaped steel cantilever beam;
(i) and finally, screwing the bolt and the nut.
Advantageous effects
The invention has the advantages of easy manufacture and simple operation, is beneficial to safe construction, improves the construction efficiency and reduces the construction cost.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
FIG. 3 is a front view of the steel upper buckle plate of the invention.
FIG. 4 is a side view of the steel door gusset of the present invention.
FIG. 5 is a schematic view of the structure of the angle steel limiting lower buckle plate.
FIG. 6 is a schematic view of a single-ended draw bar bolt of the present invention.
FIG. 7 is a schematic view of the stud bolt structure of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
As shown in fig. 1-7, a cantilever beam tension and compression restraint device comprises an i-steel cantilever beam 1, a portal-shaped steel upper buckle 2, a square-steel stiffening beam 3, a stud pull rod bolt 4, a single-head pull rod bolt 5, an angle steel limiting lower buckle 6 and a floor slab 8, wherein the floor slab 8 is provided with the single-head pull rod bolt 5 corresponding to the i-steel cantilever beam 1, the i-steel cantilever beam 1 is fixedly installed on the floor slab 8 through the portal-shaped steel upper buckle 2, an angle steel limiting lower buckle 6 is arranged at the lower end of the floor slab 8 and the portal-shaped steel upper buckle 2, the portal-shaped steel upper buckle 2 is connected with the angle steel limiting lower buckle 6 through the stud pull rod bolt 4, and the square-steel stiffening beam 3 is arranged between the angle steel limiting lower buckle 6 and the floor slab 8.
A plurality of steel pipe limiting supports 7 are welded on the upper portion of the front end of the I-shaped steel cantilever beam 1 and used for guaranteeing that the mounting bearing platform is stable and does not move.
Triangular steel plate stiffening ribs 9 are respectively arranged on the left side, the right side, the front side and the rear side of the door-shaped steel upper buckle plate 2, and a bearing plate 10 with a round hole is arranged between the triangular steel plate stiffening ribs 9 on the front side and the rear side.
The single-head draw bar bolt 5 is L-shaped.
And a circular ring 11 is arranged on the lower part of the upper end thread of the double-headed pull rod bolt 4 and is used for hanging the small circular hole of the floor slab during installation.
The angle steel limiting lower buckle 6 corresponds to the two door-shaped steel upper buckles 2 respectively and is used for limiting the square steel stiffening beam 3 to move.
A gap is formed between the upper end of the I-shaped steel cantilever beam 1 and the door-shaped steel upper buckling plate 2 and used for adjusting installation errors, and the gap between the upper end of the I-shaped steel cantilever beam 1 and the door-shaped steel upper buckling plate 2 is 3 mm.
In actual use, as shown in fig. 1, the construction method is as follows:
1. a single-headed pull rod bolt 5 is pre-embedded in the concrete structure construction, and a small round hole is reserved on a floor slab 8 and used for installing the double-headed pull rod bolt 4;
2. after floor cleaning is leveled as much as possible, the I-steel cantilever beam 1 is installed in place;
3. a small round hole is reserved on the floor slab 8, and a double-headed pull rod bolt 4 is placed on the small round hole;
4. buckling a door-shaped steel upper buckle plate 2 on an I-shaped steel cantilever beam 1 and installing the I-shaped steel upper buckle plate on a double-headed pull rod bolt 4;
5. the lower end of the floor slab 8 is provided with an angle steel limiting lower buckle 6;
6. a square steel stiffening beam 3 is inserted between the angle steel limiting lower buckle 6 and the floor slab 8;
7. preliminarily screwing the bolt and the nut;
8. a seam is plugged by a thin steel sheet below the I-shaped steel cantilever beam 1;
9. and finally, screwing the bolt and the nut.
10. And (5) after the construction is finished, repeating the steps 1-9 when the next cantilever beam is installed.
Claims (8)
1. The utility model provides a cantilever beam draws and presses restraint ware suitable for small thickness floor, includes buckle (2) on I-steel cantilever beam (1), the door shape steel, square steel stiffening beam (3), stud stay bolt (4), single-end stay bolt (5), angle steel spacing lower buckle (6) and floor (8), its characterized in that: the steel beam cantilever is characterized in that a single-head draw-bar bolt (5) corresponding to an I-shaped steel cantilever beam (1) is arranged on the floor (8), the single-head draw-bar bolt (5) is arranged on the floor (8) and corresponds to a vertical side wall, the I-shaped steel cantilever beam (1) is fixedly arranged on the floor (8) through a door-shaped steel upper buckle plate (2), the left side, the right side, the front side and the rear side of the door-shaped steel upper buckle plate (2) are respectively provided with a triangular steel plate stiffening rib (9), a bearing plate (10) with a round hole is arranged between the triangular steel plate stiffening ribs (9) on the front side and the rear side, the bearing plate (10) is positioned between the upper end and the lower end of the door-shaped steel upper buckle plate (2), a limiting lower buckle plate (6) is arranged at the lower end of the floor (8) and the position corresponding to the door-shaped steel upper buckle plate (2), the door-shaped steel upper, and a square steel stiffening beam (3) is arranged between the angle steel limiting lower buckle plate (6) and the floor slab (8).
2. The cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 1, wherein: a plurality of steel pipe limiting supports (7) are welded on the upper portion of the front end of the I-shaped steel cantilever beam (1) and used for guaranteeing the mounting and bearing platform to be stable and immovable.
3. The cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 1, wherein: the single-head draw bar bolt (5) is L-shaped.
4. The cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 1, wherein: and a circular ring (11) is arranged on the lower part of the upper end thread of the stud pull rod bolt (4) and is used for hanging the stud pull rod bolt in a small circular hole of a floor slab during installation.
5. The cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 1, wherein: the angle steel limiting lower buckle plate (6) corresponds to the two door-shaped steel upper buckle plates (2) respectively and is used for limiting the square steel stiffening beam (3) to move.
6. The cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 1, wherein: and a gap is arranged between the upper end of the I-shaped steel cantilever beam (1) and the upper buckling plate (2) of the door-shaped steel and used for adjusting installation errors.
7. The cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 6, wherein: and a gap between the upper end of the I-shaped steel cantilever beam (1) and the upper buckle plate (2) of the door-shaped steel is 3 mm.
8. The use method of the cantilever beam tension-compression restraint device applicable to the small-thickness floor slab as claimed in claim 1, is characterized in that: the method comprises the following steps:
(a) a single-head draw bar bolt (5) is pre-embedded in the concrete structure construction, and a small round hole is reserved on a floor slab (8) and used for installing the double-head draw bar bolt (4);
(b) after floor cleaning is leveled as much as possible, the I-steel cantilever beam (1) is installed in place;
(c) a small round hole is reserved on the floor (8) for placing the double-headed pull rod bolt (4);
(d) buckling a door-shaped steel upper buckle plate (2) on an I-shaped steel cantilever beam (1) and installing the I-shaped steel upper buckle plate on a double-end pull rod bolt (4);
(e) an angle steel limiting lower buckle plate (6) is arranged at the lower end of the floor slab (8);
(f) a square steel stiffening beam (3) is inserted between the angle steel limiting lower buckle plate (6) and the floor slab (8);
(g) preliminarily screwing the bolt and the nut;
(h) a seam is plugged by a thin steel sheet below the I-shaped steel cantilever beam (1);
(i) and finally, screwing the bolt and the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139888.7A CN108149927B (en) | 2017-11-16 | 2017-11-16 | Cantilever beam tension and compression restraint device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139888.7A CN108149927B (en) | 2017-11-16 | 2017-11-16 | Cantilever beam tension and compression restraint device and using method thereof |
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| Publication Number | Publication Date |
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| CN108149927A CN108149927A (en) | 2018-06-12 |
| CN108149927B true CN108149927B (en) | 2021-02-09 |
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| CN201711139888.7A Active CN108149927B (en) | 2017-11-16 | 2017-11-16 | Cantilever beam tension and compression restraint device and using method thereof |
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| CN110606435B (en) * | 2019-10-17 | 2024-05-14 | 中铁建工集团有限公司 | Suspension type electric hoist suitable for reverse construction method soil taking port transferring materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202164812U (en) * | 2011-06-29 | 2012-03-14 | 潍坊昌大建设集团有限公司 | Connection part for fixed structural steel overhanging scaffold |
| CN202787668U (en) * | 2012-08-07 | 2013-03-13 | 中建三局建设工程股份有限公司 | Rear bolt anchoring system for cantilever steel I-beam |
| CN203361603U (en) * | 2013-06-17 | 2013-12-25 | 中国建筑第五工程局有限公司 | Detachable anchoring part of building-type steel beam overhanging scaffold |
| CN203851089U (en) * | 2014-03-18 | 2014-09-24 | 凯迈（洛阳）环测有限公司 | A solar energy panel fixing device |
| CN204081445U (en) * | 2014-07-28 | 2015-01-07 | 天津二十冶建设有限公司 | To encorbelment i iron anchor device |
| CN204717144U (en) * | 2015-06-27 | 2015-10-21 | 中交第一公路工程局有限公司 | A kind of concrete pump pipe setting tool cribbing |
| KR101690273B1 (en) * | 2016-10-07 | 2016-12-28 | 주식회사 선진곤도라 | Lifting apparatus for height work |
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