CN113565306A - Reinforcing device for additionally arranging horizontal cantilever platform on steel structure engineering support jig frame and construction method thereof - Google Patents
Reinforcing device for additionally arranging horizontal cantilever platform on steel structure engineering support jig frame and construction method thereof Download PDFInfo
- Publication number
- CN113565306A CN113565306A CN202110542009.5A CN202110542009A CN113565306A CN 113565306 A CN113565306 A CN 113565306A CN 202110542009 A CN202110542009 A CN 202110542009A CN 113565306 A CN113565306 A CN 113565306A
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- connecting plate
- jig frame
- hoop
- main limb
- cantilever beam
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
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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
- E04G5/00—Component parts or accessories for scaffolds
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
Abstract
The invention discloses a reinforcing device additionally provided with a horizontal cantilever platform on a steel structure engineering support bed-jig and a construction method thereof.A cantilever beam is fixedly connected with a bed-jig main limb through a first connecting plate, an inclined strut is fixed with the bed-jig main limb through a second connecting plate and a hoop to form a whole body to bear force, and the cantilever end is pressed and vertically resisted through the inclined strut, so that the bearing capacity of a horizontal carriageway or the platform is greatly improved, and the use requirement of site construction is facilitated; through the first connecting plate and the second connecting plate, the cantilever beam and the inclined support rod are not directly welded with the jig frame body, so that the jig frame body is protected from being influenced by welding and gas cutting construction, and the requirements of finished product protection and circulation use of a standard jig frame body are met; the connecting plate and the hoop are fastened on the jig frame by using high-strength bolts, the stress performance can be better met, the quantity, the specification of the bolts, the thickness of the plate and the like can be adjusted according to the stress, and the construction adjustability is strong; the cantilever beam, the diagonal brace and the like can be recycled, and materials are saved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a reinforcing device for a steel structure engineering supporting jig frame additionally provided with a horizontal cantilever platform and a construction method thereof.
Background
In recent years, steel structure prefabricated buildings are widely applied to the field of construction, and standardized, assembled and recyclable circular tube support frameworks are frequently used in the field of constructional engineering such as steel structures in the process of steel structure prefabricated building construction. When the tire frame is manufactured, the main limbs and the web members of the tire frame are intensively and standardizedly manufactured in a factory according to a drawing according to design and use requirements, and are assembled into a whole for use on a construction site, and the tire frame can be detached and transported again during circulation. In order to ensure that the body of the jig frame is intact, the jig frame is generally forbidden to be directly welded, an overhanging operation platform is inconveniently led out of the jig frame, if a platform needs to be arranged near the jig frame, the platform needs to be additionally built, the operation is complex, and the workload of workers is increased.
Therefore, it is a problem worthy of research to provide a reinforcing apparatus for a steel structure engineering supporting jig frame additionally provided with a horizontal cantilever platform and a construction method thereof, which can fix and ensure the strength and rigidity of the cantilever beam without welding and damaging the jig frame body.
Disclosure of Invention
The invention aims to provide a reinforcing device for a steel structure engineering supporting jig frame additionally provided with a horizontal cantilever platform and a construction method thereof.
The purpose of the invention is realized as follows:
the utility model provides a steel construction engineering supports bed-jig and adds reinforcing apparatus who establishes horizontal platform of encorbelmenting, just through high strength bolt and end plate fixed connection's first connecting plate between the end plate that is located bed-jig main limb upper segment and the end plate of bed-jig main limb lower segment, the cover is established on bed-jig main limb lower segment and through high strength bolt and bed-jig main limb lower segment fixed connection's staple bolt, with the side fixed connection's of staple bolt second connecting plate, the both ends of cantilever beam respectively with the tip fixed connection of first connecting plate and diagonal brace, the other end and staple bolt or second connecting plate fixed connection of diagonal brace.
The first connecting plate is provided with a plurality of holes, and the positions and the sizes of the holes are the same as those of the end plates.
The hoop comprises two hoop bodies which are symmetrically arranged, and the two hoop bodies are fixedly connected with the lower section of the main limb of the jig frame through high-strength bolts.
A construction method of a processing device for additionally arranging a horizontal cantilever platform on a steel structure engineering support jig frame comprises the following steps: step 1, processing a first connecting plate; step 2, processing the hoop on the main limb of the jig frame: the inner diameter of the hoop is the same as the outer diameter of the main limb of the jig frame, a second connecting plate is welded on the side face of the hoop, and the hoop adopts two half hoop bodies; step 3, mounting the first connecting plate, the hoop and the jig frame main limb: embedding the first connecting plate in the step 1 between an end plate of an upper section of a main limb of the jig frame and an end plate of a lower section of the main limb of the jig frame, fixing the end plates and the first connecting plate through high-strength bolts, and fixedly connecting the hoop in the step 2 with the lower section of the main limb of the jig frame through the high-strength bolts; step 4, installing cantilever beams and inclined support rods: the cantilever beam is horizontally welded on the first connecting plate, and two ends of a lower inclined support rod at the end of the cantilever beam are respectively welded on the cantilever beam, the hoop or the second connecting plate; and laying a required horizontal operation platform or a required carriageway after the cantilever beam is reinforced.
In the step 1, the position and the size of an opening of the first connecting plate are the same as those of an opening on an upper end plate of a main limb of the jig frame, and the length of the first connecting plate is greater than that of the upper end plate of the main limb of the jig frame; the size of the first connecting plate positioned outside the upper end plate of the main limb of the jig frame is determined according to the requirements of the bearing capacity and the connection length of the overhanging section.
In the step 2, the two half hoop bodies are fastened by high-strength bolts, the thickness of the hoop is matched with the specification of the installation and welding diagonal brace, and the thickness of the hoop is not less than 8 mm.
And 3, when the first connecting plate between the upper joint end plate of the main limb of the jig frame and the lower joint end plate of the main limb of the jig frame is installed, enabling the extending section direction of the first connecting plate and the direction of the cantilever beam, and adjusting the installation height of the hoop according to the length of the cantilever beam and the angle of the inclined strut.
And 4, installing the cantilever beam and the inclined supporting rod, carrying out three-side girth welding on the cantilever beam and the first connecting plate, welding the inclined supporting rod and the hoop or welding the inclined supporting rod and the hoop on the second connecting plate, selecting the specifications of the cantilever beam and the inclined supporting rod according to the stress of cantilever, and carrying out fillet girth welding or groove welding on a welding seam.
And 4, the cross sections of the cantilever beam and the inclined strut in the step 4 are hot rolled channel steel cross sections, I-shaped steel or hot rolled H-shaped steel.
Has the positive and beneficial effects that: the cantilever beam is fixedly connected with the main limb of the jig frame through the first connecting plate, the inclined stay bar is fixed with the main limb of the jig frame through the second connecting plate and the hoop to form a whole body to bear force, and the cantilever end is stressed and vertically resisted through the inclined stay bar, so that the bearing capacity of a horizontal sidewalk or a platform is greatly improved, and the use requirement of site construction is facilitated; through the first connecting plate and the second connecting plate, the cantilever beam and the inclined support rod are not directly welded with the jig frame body, so that the jig frame body is protected from being influenced by welding and gas cutting construction, and the requirements of finished product protection and circulation use of a standard jig frame body are met; the connecting plate and the hoop are fastened on the jig frame by using high-strength bolts, the stress performance can be better met, the quantity, the specification of the bolts, the thickness of the plate and the like can be adjusted according to the stress, and the construction adjustability is strong; the cantilever beam, the diagonal brace and the like can be recycled, and materials are saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along the line A-A;
FIG. 3 is a cross-sectional view taken along the line B-B;
in the figure, the following steps are carried out: the jig frame main limb upper section 1, the jig frame main limb lower section 2, the end plate 3, the cantilever beam 4, the inclined support rod 5, the first connecting plate 6, the hoop 7, the second connecting plate 8 and the jig frame main limb 9.
Detailed Description
The invention is further described in the following with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 3, a reinforcing device for a horizontal cantilever platform added on a steel structure engineering support jig comprises a first connecting plate 6, a hoop 7 and a second connecting plate 8, wherein the first connecting plate 6 is positioned between an end plate 3 of a jig frame main limb upper section 1 and an end plate 3 of a jig frame main limb lower section 2 and is fixedly connected with the end plate 3 through a high-strength bolt, the hoop 7 is sleeved on the jig frame main limb lower section 2 and is fixedly connected with the jig frame main limb lower section 2 through the high-strength bolt, the second connecting plate 8 is fixedly connected with the side face of the hoop 7 through welding, two ends of a cantilever beam 4 are respectively fixedly connected with the first connecting plate 6 and the end portion of an inclined strut 5 through welding, and the other end of the inclined strut 5 is fixedly connected with the hoop 7 or the second connecting plate 8 through welding. The jig main limb 9 comprises a jig main limb upper section 1 and a jig main limb lower section 2, an end plate 3 is welded and fixed with the bottom of the jig main limb upper section 1 and the top of the jig main limb lower section 2 respectively, a plurality of holes are formed in a first connecting plate 6, the positions and the sizes of the holes are the same as those of the end plate 3, the first connecting plate 6 and the end plate 3 are fixed through high-strength bolts, a cantilever beam 4 and an inclined strut 5 are not directly welded with the jig body, the jig main limb 9 is protected from being influenced by welding and gas cutting construction, and the requirements of finished product protection and circulation use of a standard jig body are met. The hoop 7 comprises two symmetrically arranged hoop bodies, the two hoop bodies are fixedly connected with the lower section 2 of the main limb of the jig frame through high-strength bolts, the inclined stay bar 5 is prevented from being welded and fixed with the lower section 2 of the main limb of the jig frame, the cross sections of the cantilever beam 4 and the inclined stay bar 5 are hot rolled channel steel cross sections, I-shaped steel or hot rolled H-shaped steel, the cantilever beam is fixedly connected with the main limb of the jig frame through a first connecting plate, the inclined stay bar is fixed with the main limb of the jig frame through a second connecting plate and the hoop to form an integral body to bear force, and the cantilever end is pressed to be vertically resisted through the inclined stay, so that the bearing capacity of a horizontal carriageway or a platform is greatly improved, and the use requirement of field construction is facilitated; through the first connecting plate and the second connecting plate, the cantilever beam and the inclined support rod are not directly welded with the jig frame body, so that the jig frame body is protected from being influenced by welding and gas cutting construction, and the requirements of finished product protection and circulation use of a standard jig frame body are met; the connecting plate and the hoop are fastened on the jig frame by using high-strength bolts, the stress performance can be better met, the quantity, the specification of the bolts, the thickness of the plate and the like can be adjusted according to the stress, and the construction adjustability is strong; the cantilever beam, the diagonal brace and the like can be recycled, and materials are saved.
Example 2
A construction method of a reinforcing device for a horizontal cantilever platform additionally arranged on a steel structure engineering supporting jig frame comprises the following steps: step 1, processing a first connecting plate 6: the position and the size of an opening of the first connecting plate 6 are the same as those of an opening on the upper end plate 3 of the jig frame main limb 9, and the length of the first connecting plate 6 is greater than that of the upper end plate 3 of the jig frame main limb 9; the size and specification of the first connecting plate 6 positioned outside the upper end plate 3 of the main limb 9 of the jig frame are determined according to the requirements of the bearing capacity and the connecting length of the overhanging section.
The cantilever beam is fixedly connected with the main limb of the jig frame through the first connecting plate, the inclined stay bar is fixed with the main limb of the jig frame through the second connecting plate and the hoop to form a whole body to bear force, and the cantilever end is stressed and vertically resisted through the inclined stay bar, so that the bearing capacity of a horizontal sidewalk or a platform is greatly improved, and the use requirement of site construction is facilitated; through the first connecting plate and the second connecting plate, the cantilever beam and the inclined support rod are not directly welded with the jig frame body, so that the jig frame body is protected from being influenced by welding and gas cutting construction, and the requirements of finished product protection and circulation use of a standard jig frame body are met; the connecting plate and the hoop are fastened on the jig frame by using high-strength bolts, the stress performance can be better met, the quantity, the specification of the bolts, the thickness of the plate and the like can be adjusted according to the stress, and the construction adjustability is strong; the cantilever beam, the diagonal brace and the like can be recycled, and materials are saved.
Claims (9)
1. The utility model provides a steel construction engineering supports bed-jig and adds reinforcing apparatus who establishes horizontal platform of encorbelmenting, its characterized in that: the device comprises a first connecting plate, a hoop and a second connecting plate, wherein the first connecting plate is positioned between an end plate of an upper section of a jig frame main limb and an end plate of a lower section of the jig frame main limb and is fixedly connected with the end plates through high-strength bolts, the hoop is sleeved on the lower section of the jig frame main limb and is fixedly connected with the lower section of the jig frame main limb through the high-strength bolts, the second connecting plate is fixedly connected with the side face of the hoop, two ends of a cantilever beam are fixedly connected with the first connecting plate and the end part of an inclined stay bar respectively, and the other end of the inclined stay bar is fixedly connected with the hoop or the second connecting plate.
2. The steel structure engineering supports bed-jig and establishes horizontal reinforcing apparatus that encorbelments platform according to claim 1, its characterized in that: the first connecting plate is provided with a plurality of holes, and the positions and the sizes of the holes are the same as those of the end plates.
3. The steel structure engineering supports bed-jig and establishes horizontal reinforcing apparatus that encorbelments platform according to claim 1, its characterized in that: the hoop comprises two hoop bodies which are symmetrically arranged, and the two hoop bodies are fixedly connected with the lower section of the main limb of the jig frame through high-strength bolts.
4. A construction method of a processing device for adding a horizontal cantilever platform on a steel structure engineering supporting jig frame according to any one of claims 1 to 3 is characterized in that: the method comprises the following steps: step 1, processing a first connecting plate; step 2, processing the hoop on the main limb of the jig frame: the inner diameter of the hoop is the same as the outer diameter of the main limb of the jig frame, a second connecting plate is welded on the side face of the hoop, and the hoop adopts two half hoop bodies; step 3, mounting the first connecting plate, the hoop and the jig frame main limb: embedding the first connecting plate in the step 1 between an end plate of an upper section of a main limb of the jig frame and an end plate of a lower section of the main limb of the jig frame, fixing the end plates and the first connecting plate through high-strength bolts, and fixedly connecting the hoop in the step 2 with the lower section of the main limb of the jig frame through the high-strength bolts; step 4, installing cantilever beams and inclined support rods: the cantilever beam is horizontally welded on the first connecting plate, and two ends of a lower inclined support rod at the end of the cantilever beam are respectively welded on the cantilever beam, the hoop or the second connecting plate; and laying a required horizontal operation platform or a required carriageway after the cantilever beam is reinforced.
5. The reinforcing method of the steel structure engineering supporting jig frame additionally provided with the horizontal cantilever platform according to claim 4, characterized in that: in the step 1, the position and the size of an opening of the first connecting plate are the same as those of an opening on an upper end plate of a main limb of the jig frame, and the length of the first connecting plate is greater than that of the upper end plate of the main limb of the jig frame; the size of the first connecting plate positioned outside the upper end plate of the main limb of the jig frame is determined according to the requirements of the bearing capacity and the connection length of the overhanging section.
6. The reinforcing method of the steel structure engineering supporting jig frame additionally provided with the horizontal cantilever platform according to claim 4, characterized in that: in the step 2, the two half hoop bodies are fastened by high-strength bolts, the thickness of the hoop is matched with the specification of the installation and welding diagonal brace, and the thickness of the hoop is not less than 8 mm.
7. The reinforcing method of the steel structure engineering supporting jig frame additionally provided with the horizontal cantilever platform according to claim 4, characterized in that: and 3, when the first connecting plate between the upper joint end plate of the main limb of the jig frame and the lower joint end plate of the main limb of the jig frame is installed, enabling the extending section direction of the first connecting plate and the direction of the cantilever beam, and adjusting the installation height of the hoop according to the length of the cantilever beam and the angle of the inclined strut.
8. The reinforcing method of the steel structure engineering supporting jig frame additionally provided with the horizontal cantilever platform according to claim 4, characterized in that: and 4, installing the cantilever beam and the inclined supporting rod, carrying out three-side girth welding on the cantilever beam and the first connecting plate, welding the inclined supporting rod and the hoop or welding the inclined supporting rod and the hoop on the second connecting plate, selecting the specifications of the cantilever beam and the inclined supporting rod according to the stress of cantilever, and carrying out fillet girth welding or groove welding on a welding seam.
9. The reinforcing method of the steel structure engineering supporting jig frame additionally provided with the horizontal cantilever platform according to claim 4, characterized in that: and 4, the cross sections of the cantilever beam and the inclined strut in the step 4 are hot rolled channel steel cross sections, I-shaped steel or hot rolled H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110542009.5A CN113565306A (en) | 2021-05-18 | 2021-05-18 | Reinforcing device for additionally arranging horizontal cantilever platform on steel structure engineering support jig frame and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110542009.5A CN113565306A (en) | 2021-05-18 | 2021-05-18 | Reinforcing device for additionally arranging horizontal cantilever platform on steel structure engineering support jig frame and construction method thereof |
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| CN113565306A true CN113565306A (en) | 2021-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198964A (en) * | 2022-08-19 | 2022-10-18 | 中电建第十一工程局(广东)建设投资有限公司 | Upright post double cantilever beam supporting structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912972A (en) * | 2012-10-31 | 2013-02-06 | 中建三局第二建设工程有限责任公司 | Multifunctional lifting steel platform switching jig and construction method |
| CN208594732U (en) * | 2018-06-29 | 2019-03-12 | 上海宝冶集团有限公司 | Easy-to-dismount steelwork tower truss outrigger platform |
| CN112012340A (en) * | 2020-09-25 | 2020-12-01 | 中建一局集团第三建筑有限公司 | Suspension connection node for large-span cantilever steel truss and construction method thereof |
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2021
- 2021-05-18 CN CN202110542009.5A patent/CN113565306A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912972A (en) * | 2012-10-31 | 2013-02-06 | 中建三局第二建设工程有限责任公司 | Multifunctional lifting steel platform switching jig and construction method |
| CN208594732U (en) * | 2018-06-29 | 2019-03-12 | 上海宝冶集团有限公司 | Easy-to-dismount steelwork tower truss outrigger platform |
| CN112012340A (en) * | 2020-09-25 | 2020-12-01 | 中建一局集团第三建筑有限公司 | Suspension connection node for large-span cantilever steel truss and construction method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198964A (en) * | 2022-08-19 | 2022-10-18 | 中电建第十一工程局(广东)建设投资有限公司 | Upright post double cantilever beam supporting structure and construction method thereof |
| CN115198964B (en) * | 2022-08-19 | 2024-03-12 | 中电建第十一工程局(广东)建设投资有限公司 | Upright post double-cantilever beam supporting structure and construction method thereof |
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