CN110777811A - Steel bar welding fixing device for foundation pit support - Google Patents
Steel bar welding fixing device for foundation pit support Download PDFInfo
- Publication number
- CN110777811A CN110777811A CN201911133759.6A CN201911133759A CN110777811A CN 110777811 A CN110777811 A CN 110777811A CN 201911133759 A CN201911133759 A CN 201911133759A CN 110777811 A CN110777811 A CN 110777811A
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- China
- Prior art keywords
- protective frame
- steel bar
- foundation pit
- supporting beam
- fixing device
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
Abstract
The invention discloses a reinforcing steel bar welding and fixing device for foundation pit support, which comprises a protective frame, wherein supporting beams are sequentially arranged inside the protective frame from top to bottom, reinforcing steel bars are inserted between the supporting beams, a reinforcing plate is welded on the front surface of each reinforcing steel bar, two ends of each reinforcing plate extend to the front surface of the protective frame, and a clamping block is fixedly arranged at one end, positioned on the front surface of the protective frame, of each reinforcing plate. According to the invention, the fastening sleeve is sleeved at the upper end of the protective frame and fixed through the fixing bolt, so that the surface of the protective frame is ensured not to slide, the supporting beam is welded on the side surface of the fastening sleeve, the upper end and the lower end of the reinforcing steel bar penetrate through the supporting beam, the reinforcing steel bar is ensured not to shake after being connected with the supporting beam, the reinforcing plate is welded on the front surface of the reinforcing steel bar, the fixture blocks are clamped into the protective frame at the two ends, so that a plurality of reinforcing steel bars can be connected and fixed, the protection strength and the safety coefficient of foundation pit support are enhanced, and shaking and cracking.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting, in particular to a steel bar welding and fixing device for foundation pit supporting.
Background
The foundation pit support is a structure adopting retaining, reinforcing and protecting measures for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit; the existing foundation pit support is generally that an anchor rod is inserted into the side wall of a foundation pit, then concrete is injected, the anchor rod and the side wall of the foundation pit are fixed, then reinforcing steel bars are embedded in the excavated foundation pit, the reinforcing steel bars and the anchor rod are fixed, another reinforcing steel bar is connected with the reinforcing steel bars embedded in the foundation pit by using iron wires, and the foundation pit support is built by the transverse and vertical connection of a plurality of reinforcing steel bars; however, the production efficiency of the steel bar connection mode is low, the strength of the steel bars is not high enough after the steel bars are fixedly connected, and the joints of the steel bars are easily broken or shaken due to extrusion of the side wall of the foundation pit, so that the potential safety hazard of the foundation pit can be increased, and the safety of underground construction is affected.
Disclosure of Invention
The invention aims to provide a steel bar welding and fixing device for foundation pit support, which has the advantage of enhancing the connection effect between steel bars and solves the problem that the potential safety hazard of a foundation pit is increased because the connection part of the steel bars is easily cracked or shaken due to the extrusion of the side wall of the foundation pit.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a welded steel bar fixing device for excavation supporting, includes protective frame, protective frame's inside is from last to having set gradually a supporting beam down, and it has the reinforcing bar to peg graft between the supporting beam each other, the positive welding of reinforcing bar has the gusset plate, the both ends of gusset plate all extend to protective frame's front, the gusset plate is located protective frame's positive one end fixed mounting has the fixture block, the one end of fixture block runs through to protective frame's inside, fastening sleeve has been cup jointed on the surface of protective frame upper end, fastening sleeve's one side and a supporting beam's one end fixed mounting, the fixed sleeving has been cup jointed on the surface of protective frame lower extreme.
Preferably, the outer side of the fastening sleeve is fixedly provided with a connecting block, the inside of the connecting block is arranged in a penetrating manner through a fixing bolt, and the fastening sleeve is fixedly connected with the protective frame.
Preferably, the upper end and the lower end of the reinforcing steel bar are welded with triangular blocks, and one ends of the triangular blocks penetrate through the supporting beam.
Preferably, the middle part of the lower end of the protective frame is fixedly provided with a fixed sleeve, one end of the protective frame is positioned in the fixed sleeve and movably arranged, and the protective frame is connected with the fixed sleeve through a fixed pin.
Preferably, the two ends of the support beam and the fastening sleeve are welded, and one end of the support beam and the surface of the protective frame are welded.
Preferably, one end of the cross sectional area of the upper end and the lower end of the support beam is triangular, and the triangle is matched with the triangular block.
Preferably, the fixing sleeve and the fastening sleeve are both made of steel structure materials.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the fastening sleeve is sleeved at the upper end of the protective frame and fixed through the fixing bolt, so that the surface of the protective frame is ensured not to slide, the supporting beam is welded on the side surface of the fastening sleeve, the upper end and the lower end of the reinforcing steel bar penetrate through the supporting beam, the reinforcing steel bar is ensured not to shake after being connected with the supporting beam, the reinforcing plate is welded on the front surface of the reinforcing steel bar, the fixture blocks are clamped into the protective frame at the two ends of the reinforcing steel bar, so that a plurality of reinforcing steel bars can be connected and fixed, the protection strength and safety coefficient of foundation pit supporting are enhanced, shaking and cracking are avoided, and the problem that the joint of the reinforcing steel bar is easily cracked or shaken due to extrusion of the side.
2. According to the invention, the fixed sleeve is arranged on the surface of the lower end of the protective frame, so that the height of the protective frame can be adjusted according to needs, meanwhile, the length of the fixed sleeve is reasonably selected according to needs, the protective frame is designed and cut according to the height of the foundation pit, the protective frame is connected with the fixed sleeve through the fixed pin, and the protective frame can be installed and fixed through welding.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the rebar structure of the present invention;
FIG. 3 is a top view of a fastening sleeve construction of the present invention.
In the figure: 1-protective frame, 2-supporting beam, 3-reinforcing steel bar, 4-reinforcing plate, 5-fixture block, 6-fastening sleeve, 7-fixing sleeve, 8-fixing pin, 9-triangular block, 10-connecting block and 11-fixing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, a steel bar welding and fixing device for foundation pit support comprises a protective frame 1, a fixing sleeve 7 is fixedly installed at the middle part of the lower end of the protective frame 1, one end of the protective frame 1 is movably arranged in the fixing sleeve 7, the protective frame 1 is connected with the fixing sleeve 7 through a fixing pin 8, the height of the protective frame 1 can be adjusted according to needs by arranging the fixing sleeve 7 on the surface of the lower end of the protective frame 1, meanwhile, the length of the fixing sleeve 7 is reasonably selected according to needs, the protective frame 1 is designed and cut according to the height of the foundation pit, the protective frame 1 is connected with the fixing sleeve 7 through the fixing pin 8, and can be installed and fixed through welding, the connecting mode integrates welding and splicing, a reinforcing plate 4 is added on the basis of traditional welding, a plurality of reinforcing steel bars 3 can be connected and fixed to prevent one of the reinforcing steel bars from shaking, a supporting beam 2 is sequentially arranged in a protective frame 1 from top to bottom, one of cross sectional areas of the upper end and the lower end of the supporting beam 2 is triangular, the triangle is matched with a triangular block 9, two ends of the supporting beam 2 and a fastening sleeve 6 are welded together, one end of the supporting beam 2 and the surface of the protective frame 1 are welded together, the reinforcing steel bars 3 are inserted between the supporting beams 2, the triangular block 9 is welded to the upper end and the lower end of each reinforcing steel bar 3, one end of each triangular block 9 penetrates into the supporting beam 2, a reinforcing plate 4 is welded to the front surface of each reinforcing steel bar 3, two ends of each reinforcing plate 4 extend to the front surface of the protective frame 1, a clamping block 5 is fixedly installed at one end of the front surface of the protective frame 4, and one, the surface of the upper end of the protective frame 1 is sleeved with a fastening sleeve 6, the outer side of the fastening sleeve 6 is fixedly provided with a connecting block 10, the inside of the connecting block 10 is arranged in a penetrating way through a fixing bolt 11, the fastening sleeve 6 is fixedly connected with the protective frame 1, one side of the fastening sleeve 6 is fixedly arranged with one end of a supporting beam 2, the surface of the lower end of the protective frame 1 is sleeved with a fixing sleeve 7, the fixing sleeve 7 and the fastening sleeve 6 are made of steel structure materials, the fastening sleeve 6 is sleeved at the upper end of the protective frame 1 and fixed through the fixing bolt 11, the surface installation is ensured not to slide, the supporting beam 2 is welded on the side surface of the fastening sleeve 6, the upper end and the lower end of the steel bar 3 are both penetrated into the supporting beam 2, the steel bar 3 is ensured not to shake after being connected with the supporting, the inside of both ends 5 card income protective frame 1 with the fixture block can be connected fixedly between many reinforcing bars 3, has strengthened excavation supporting's proof strength and factor of safety, guarantees can not appear rocking and fracture, and the junction of having solved the reinforcing bar simultaneously receives the extrusion of foundation ditch lateral wall and appears splitting easily or rocking, can increase the problem of the potential safety hazard of foundation ditch like this.
The standard parts used in the application document can be purchased from the market, all the parts in the application document can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of all the parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and machines, parts and equipment adopt conventional models in the prior art, and detailed description is not given here.
When the protective framework is used, the fastening sleeve 6 is sleeved at the upper end of the protective framework 1 and fixed through the fixing bolt 11, the supporting beam 2 is welded on the side surface of the fastening sleeve 6, the upper end and the lower end of the reinforcing steel bar 3 both penetrate into the supporting beam 2, so that the reinforcing steel bar 3 is prevented from shaking after being connected with the supporting beam 2, the reinforcing plate 4 is welded on the front surface of the reinforcing steel bar 3, the clamping blocks 5 are clamped into the protective framework 1 at the two ends to connect and fix a plurality of reinforcing steel bars 3, the protection strength and the safety coefficient of foundation pit supporting are enhanced, shaking and cracking are prevented, the height of the protective framework 1 can be adjusted as required by arranging the fixing sleeve 7 on the surface of the lower end of the protective framework 1, meanwhile, the length of the fixing sleeve 7 is reasonably selected as required, the protective framework 1 is designed and cut according to the height of a foundation pit, and the protective framework 1 is, it can also be fixed by welding.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a steel bar welding fixing device for foundation ditch support, includes protective frame (1), its characterized in that: the inside of protective frame (1) has set gradually supporting beam (2) from last to down, and it has reinforcing bar (3) to peg graft between supporting beam (2) each other, the front welding of reinforcing bar (3) has gusset plate (4), the both ends of gusset plate (4) all extend to the front of protective frame (1), gusset plate (4) are located the positive one end fixed mounting of protective frame (1) and have fixture block (5), the one end of fixture block (5) runs through to the inside of protective frame (1), fastening sleeve (6) have been cup jointed on the surface of protective frame (1) upper end, one side of fastening sleeve (6) and the one end fixed mounting of supporting beam (2), fixed sleeve (7) have been cup jointed on the surface of protective frame (1) lower extreme.
2. The steel bar welding and fixing device for foundation pit support according to claim 1, wherein: the outer side of the fastening sleeve (6) is fixedly provided with a connecting block (10), the inside of the connecting block (10) is arranged in a penetrating mode through a fixing bolt (11), and the fastening sleeve (6) is fixedly connected with the protective frame (1).
3. The steel bar welding and fixing device for foundation pit support according to claim 1, wherein: three hornblocks (9) are welded at the upper end and the lower end of the reinforcing steel bar (3), and one end of each triangular block (9) penetrates through the inside of the supporting beam (2).
4. The steel bar welding and fixing device for foundation pit support according to claim 1, wherein: the middle part fixed mounting of protective frame (1) lower extreme has fixed sleeving (7), the one end of protective frame (1) is located the inside and the activity setting of fixed sleeving (7), be connected through fixed pin (8) between protective frame (1) and fixed sleeving (7).
5. The steel bar welding and fixing device for foundation pit support according to claim 1, wherein: the two ends of the supporting beam (2) and the fastening sleeve (6) are welded, and one end of the supporting beam (2) is welded with the surface of the protective frame (1).
6. The steel bar welding and fixing device for foundation pit support according to claim 1, wherein: one end of the cross sectional area of the upper end and the lower end of the supporting beam (2) is triangular, and the triangle is matched with the triangular block (9).
7. The steel bar welding and fixing device for foundation pit support according to claim 1, wherein: the fixed sleeve (7) and the fastening sleeve (6) are made of steel structure materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133759.6A CN110777811A (en) | 2019-11-19 | 2019-11-19 | Steel bar welding fixing device for foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133759.6A CN110777811A (en) | 2019-11-19 | 2019-11-19 | Steel bar welding fixing device for foundation pit support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110777811A true CN110777811A (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911133759.6A Pending CN110777811A (en) | 2019-11-19 | 2019-11-19 | Steel bar welding fixing device for foundation pit support |
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| CN (1) | CN110777811A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343063A (en) * | 2020-11-03 | 2021-02-09 | 淮阴工学院 | Foundation pit supporting device for civil engineering and construction method thereof |
-
2019
- 2019-11-19 CN CN201911133759.6A patent/CN110777811A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343063A (en) * | 2020-11-03 | 2021-02-09 | 淮阴工学院 | Foundation pit supporting device for civil engineering and construction method thereof |
| CN112343063B (en) * | 2020-11-03 | 2021-10-01 | 淮阴工学院 | Foundation pit supporting device for civil engineering and construction method thereof |
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