CN114482577A - Combined bolt support, mounting method and pouring method of quantum electric furnace foundation - Google Patents
Combined bolt support, mounting method and pouring method of quantum electric furnace foundation Download PDFInfo
- Publication number
- CN114482577A CN114482577A CN202210199202.8A CN202210199202A CN114482577A CN 114482577 A CN114482577 A CN 114482577A CN 202210199202 A CN202210199202 A CN 202210199202A CN 114482577 A CN114482577 A CN 114482577A
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- bolt
- upper fixing
- lower fixing
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
Classifications
-
- 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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
Abstract
The invention discloses a large-scale combined bolt support, an installation method and a foundation pouring method, which comprise an upper fixing sheet, a lower fixing sheet, a connecting support and through holes, wherein the upper fixing sheet and the lower fixing sheet are of the same structure, the connecting support is connected with the upper fixing sheet and the lower fixing sheet, the through holes are symmetrically arranged on the upper fixing sheet and the lower fixing sheet and are used for fixing a bolt, one end of the bolt penetrates through the lower fixing sheet and is fixed through a nut, and after the other end of the bolt penetrates through the upper fixing sheet, a gasket and a nut are arranged at the end part of the bolt. This combination formula bolt support base simple manufacture, simple to operate possesses certain popularization meaning. The material of the bracket can be obtained locally, so that the cost is effectively saved. The quantum electric furnace belongs to a novel production process, and the bolt support fixing bolt group adopting the scheme is used for secondary pouring of a foundation, so that the requirement on installation accuracy can be ensured.
Description
Technical Field
The invention belongs to the field of metallurgical building construction, and particularly relates to a combined bolt support, an installation method and a pouring method of a quantum electric furnace foundation.
Background
The electric furnace is the most important part of links in a steelmaking process production line, the electric furnace foundation mainly bears the weight of a tilting device and a furnace shell of about 450 tons, the installation precision is extremely high due to the fact that the electric furnace belongs to equipment installation, the verticality requirement is +/-5 mm, the electric furnace belongs to a novel production process, and the conventional method comprises the following steps: the method has the defects that the steel bar framework is uneven, the operation difficulty is extremely high during high-altitude hoisting operation positioning, the bolt installation accuracy hardly meets the requirements of drawings and specifications, unpredictable loss is caused to subsequent equipment installation, if the bolt installation deviation is too large, great difficulty is brought to subsequent equipment installation, the bolt is quite difficult to process, and great economic loss is caused, so that the traditional method still troubles many metallurgical industries.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the combined bolt support and the installation method solve the problem that the installation difficulty of subsequent equipment is high due to large installation deviation of a bolt group in the prior art.
The invention adopts the following technical scheme for solving the technical problems:
the utility model provides a large-scale combination formula bolt support, includes the upper and lower stationary blade of the same structure, connects the linking bridge of upper and lower stationary blade, and the symmetry sets up the through-hole that is used for fixing bolt on the upper and lower stationary blade, the one end of bolt is passed down the stationary blade and is fixed through the nut, and after the other end passed the stationary blade, set up gasket and nut at the tip.
The upper fixing piece and the lower fixing piece are respectively composed of two symmetrical long strip-shaped structures, and a plurality of connecting rods are arranged between the two long strip-shaped structures.
Each long strip-shaped structure is provided with a plurality of through holes for fixing bolts, and both sides of each through hole are provided with shear holes.
The installation method of the large-scale combined bolt support comprises the steps of firstly assembling the upper fixing piece and the lower fixing piece according to the drawing paper, then drilling holes in the upper fixing piece and the lower fixing piece according to the positions of bolts, and finally connecting the upper fixing piece and the lower fixing piece together by using the connecting support.
The upper fixing piece and the lower fixing piece both comprise two strip-shaped structures, and when the upper fixing piece and the lower fixing piece are assembled, firstly, four same strip-shaped structures are processed; then, the same through holes are formed in the strip-shaped structures; and finally, connecting the two long strip structures through connecting rods to respectively form an upper fixing sheet and a lower fixing sheet.
After the same through holes are formed in the strip-shaped structure, shear holes are formed in the two ends and between every two adjacent through holes.
The shape of the shear hole is rectangular.
In order to further solve the problems of low foundation pouring efficiency and poor quality caused by the installation of bolt groups, the invention also provides a pouring method of the quantum electric furnace foundation, and the concrete technical scheme is as follows:
the casting method of the quantum electric furnace foundation comprises the following steps:
and 5, performing secondary concrete pouring until the designed elevation is reached, measuring the center coordinates and the elevation of the bolt group, and curing the concrete after the center coordinates and the elevation meet the standard.
In the step 4 and the step 5, if the measured axis and the elevation deviate from the designed values, the bolt group is adjusted and retested.
The first concrete placement is at least half the height of the final elevation.
Compared with the prior art, the invention has the following beneficial effects:
1. this combination formula bolt support base simple manufacture, simple to operate possesses certain popularization meaning.
2. The material of the bracket can be obtained from local materials, so that the cost is effectively saved.
3. The quantum electric furnace belongs to a novel production process, and the bolt support fixing bolt group adopting the scheme is used for secondary pouring of a foundation, so that the requirement on installation accuracy can be ensured.
Drawings
Fig. 1 is a schematic structural view of the modular bolt support of the present invention.
Fig. 2 is a schematic cross-sectional view of the assembled bolt support according to the present invention.
Wherein, the labels in the figure are: 1-lower fixing piece; 2-fixing the upper fixing piece; 3-a shear hole; 4-a connecting rod; 5-connecting a bracket; 6-screw sleeve; 7-a gasket; 8-lower nut; 9-upper nut; 10-combination bolt set; 11-bolt fixing frame; 12-150H-shaped steel.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
The utility model provides a large-scale combination formula bolt support, includes the upper and lower stationary blade of the same structure, connects the linking bridge of upper and lower stationary blade, and the symmetry sets up the through-hole that is used for fixing bolt on the upper and lower stationary blade, the one end of bolt is passed down the stationary blade and is fixed through the nut, and after the other end passed the stationary blade, set up gasket and nut at the tip.
In a first embodiment, as shown in figure 1,
the utility model provides a large-scale combination formula bolt support, includes last stationary blade 2 of the same structure, lower stationary blade 1, connects the linking bridge 5 of going up stationary blade 2 and lower stationary blade 1, and the symmetry sets up the through-hole that is used for fixing bolt on last stationary blade 2, lower stationary blade 1, the one end of bolt is passed down stationary blade 1 and is fixed through lower nut 8, and the other end sets up gasket 7 and upper nut 9 at the tip after passing last stationary blade 2.
The upper fixing plate 2 and the lower fixing plate 1 both comprise two symmetrical long strip-shaped structures, and a plurality of connecting rods 4 are arranged between the two long strip-shaped structures.
Each long strip-shaped structure is provided with a plurality of through holes for fixing bolts, and both sides of each through hole are provided with shear holes 3.
The exterior of each bolt is provided with a bolt sleeve 6.
According to the installation method of the large combined bolt support, the upper fixing piece and the lower fixing piece respectively comprise two strip-shaped structures, and the installation method specifically comprises the following steps:
a, processing four same strip-shaped structures according to the requirements of a drawing, and forming the same through holes in the strip-shaped structures;
b, respectively forming shear holes at two ends of the strip-shaped structure and between two adjacent through holes;
c, connecting every two long strip structures through connecting rods to respectively form an upper fixing sheet and a lower fixing sheet;
and d, assembling the upper fixing sheet and the lower fixing sheet, and connecting the upper fixing sheet and the lower fixing sheet together by using a connecting support.
The shape of the shear hole is rectangular.
In order to further solve the problems of low foundation pouring efficiency and poor quality caused by the installation of bolt groups, the invention also provides a pouring method of the quantum electric furnace foundation, and the concrete technical scheme is as follows:
the casting method of the quantum electric furnace foundation comprises the following steps:
and 5, performing secondary concrete pouring until the designed elevation is reached, measuring the center coordinates and the elevation of the bolt group, and curing the concrete after the center coordinates and the elevation meet the standard.
In a second specific embodiment, as shown in fig. 2, the electric furnace foundation of this embodiment is a large raft foundation (a large-volume concrete section elevation is 2.5m), and in order to avoid the displacement of the bolt group caused by the extrusion of the bolt group due to the stress generated by the concrete pouring, the concrete is poured to the elevation twice, which includes the following steps:
and 5, performing secondary concrete pouring until the designed elevation h2 is +/-0, measuring the central coordinate and the elevation of the bolt group, and curing the concrete after the central coordinate and the elevation meet the standard.
In the step 4 and the step 5, if the measured axis and the elevation deviate from the designed values, the bolt group is adjusted and retested.
The H-shaped steel 12 is 150H-shaped steel. The support plays a role of a fixed support, but the support directly fixes the cast concrete on the reinforcing steel bars and can deviate.
The first concrete placement is at least half the height of the final elevation.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Claims (10)
1. The utility model provides a large-scale combination formula bolt support which characterized in that: the connecting support comprises an upper fixing piece and a lower fixing piece which have the same structure, the connecting support is connected with the upper fixing piece and the lower fixing piece, through holes for fixing bolts are symmetrically arranged on the upper fixing piece and the lower fixing piece, one end of each bolt penetrates through the lower fixing piece and is fixed through a nut, and a gasket and a nut are arranged at the end part of each bolt after the other end of each bolt penetrates through the upper fixing piece.
2. The large scale combination bolt bracket of claim 1, characterized in that: the upper fixing piece and the lower fixing piece are respectively composed of two symmetrical long strip-shaped structures, and a plurality of connecting rods are arranged between the two long strip-shaped structures.
3. A large modular bolt bracket according to claim 2, characterised in that: each long strip-shaped structure is provided with a plurality of through holes for fixing bolts, and both sides of each through hole are provided with shear holes.
4. The installation method of the large-sized combined bolt bracket according to any one of claims 1 to 3, characterized in that: firstly, assembling an upper fixing piece and a lower fixing piece according to drawing paper, then drilling holes in the upper fixing piece and the lower fixing piece according to the positions of bolts, and finally connecting the upper fixing piece and the lower fixing piece together by using a connecting support.
5. The method for installing a large-sized combined bolt bracket according to claim 4, wherein: the upper fixing piece and the lower fixing piece both comprise two strip-shaped structures, and when the upper fixing piece and the lower fixing piece are assembled, firstly, four same strip-shaped structures are processed; then, the same through holes are formed in the strip-shaped structures; and finally, connecting the two long strip structures through connecting rods to respectively form an upper fixing sheet and a lower fixing sheet.
6. The method for installing a large-sized combined bolt bracket according to claim 5, wherein: after the same through holes are formed in the strip-shaped structure, shear holes are formed in the two ends and between every two adjacent through holes.
7. The method for installing a large-sized combined bolt bracket according to claim 6, wherein: the shape of the shear hole is rectangular.
8. The casting method of the quantum electric furnace foundation is characterized by comprising the following steps: the method comprises the following steps:
step 1, paying off a cushion layer according to the central line of the bolt group, and binding reinforcing steel bars at the lower part of the raft plate;
step 2, after the binding of the reinforcing steel bars at the lower part of the raft plate is finished, putting the bracket of any one of claims 1 to 3 into the raft plate, and leveling the bottom of the raft plate;
step 3, mounting the bolt group on a bracket, and adjusting and fixing;
step 4, binding reinforcing steel bars at the upper part of the raft, pouring concrete for the first time, and measuring an axis and an elevation after the concrete is poured to a preset position;
and 5, performing secondary concrete pouring until the designed elevation is reached, measuring the center coordinates and the elevation of the bolt group, and curing the concrete after the center coordinates and the elevation meet the standard.
9. The casting method of the quantum electric furnace foundation according to claim 8, characterized in that: in the step 4 and the step 5, if the measured axis and the elevation deviate from the designed values, the bolt group is adjusted and retested.
10. The casting method of the quantum electric furnace foundation according to claim 8, characterized in that: the first concrete placement is at least half the height of the final elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199202.8A CN114482577A (en) | 2022-03-01 | 2022-03-01 | Combined bolt support, mounting method and pouring method of quantum electric furnace foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199202.8A CN114482577A (en) | 2022-03-01 | 2022-03-01 | Combined bolt support, mounting method and pouring method of quantum electric furnace foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114482577A true CN114482577A (en) | 2022-05-13 |
Family
ID=81484041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210199202.8A Pending CN114482577A (en) | 2022-03-01 | 2022-03-01 | Combined bolt support, mounting method and pouring method of quantum electric furnace foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114482577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777705A (en) * | 2022-05-10 | 2022-07-22 | 中国核工业华兴建设有限公司 | Nuclear power safety injection water tank foundation bolt installation measurement inspection method |
-
2022
- 2022-03-01 CN CN202210199202.8A patent/CN114482577A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777705A (en) * | 2022-05-10 | 2022-07-22 | 中国核工业华兴建设有限公司 | Nuclear power safety injection water tank foundation bolt installation measurement inspection method |
| CN114777705B (en) * | 2022-05-10 | 2023-09-05 | 中国核工业华兴建设有限公司 | Nuclear power plant water injection tank foundation bolt installation, measurement and inspection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114482577A (en) | Combined bolt support, mounting method and pouring method of quantum electric furnace foundation | |
| CN114575589B (en) | Construction method for electric hoist lifting formwork of steel reinforced concrete structural column | |
| CN208649896U (en) | A kind of pin-connected panel reinforcing bar binding moulding bed | |
| CN107267165A (en) | A kind of dry coke quenching body of heater is circular layout pre-embedded bolt fixed structure and installation method | |
| CN218061492U (en) | Device for pouring concrete platform on steel structure frame | |
| CN115045505A (en) | Device for pouring concrete platform on steel structure frame and construction method | |
| CN111705633A (en) | Construction device and construction method for offshore low-pier cantilever cast-in-place bent cap | |
| CN110395656B (en) | Lifting appliance for sand core with semi-cantilever structure and lifting method thereof | |
| CN203765784U (en) | Fixed drawing-inserting type installing mould frame for prefabricated T-beam rib plate reinforcing steel bar and pre-stressed pipeline | |
| CN113323402A (en) | Turnover concrete silo structure steel bar accurate positioning device and method | |
| CN208649893U (en) | A kind of bridge equipment leg structure | |
| CN207525898U (en) | Prefabricated components articulated mounting and prefabricated components | |
| CN221029654U (en) | Movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction | |
| CN217256112U (en) | But height-adjusting's steel sleeve temporary support | |
| CN219430545U (en) | Operation platform for utilizing stiffness framework for tower column head section | |
| CN212505822U (en) | Construction device for offshore low-pier cantilever cast-in-place bent cap | |
| CN215976862U (en) | Vertical reinforcing bar location mould of bridge pier shaft | |
| CN212613996U (en) | Tower top structure of natural draft cooling tower | |
| CN220301178U (en) | Hanging basket suspension casting structure | |
| CN215562631U (en) | Steel pouring jacket lowering structure and system | |
| CN215631609U (en) | Post-cast strip mold hanging structure | |
| CN215052191U (en) | Detachable stiff framework of high pier | |
| CN217629470U (en) | Auxiliary device for construction of steel reinforcement cage of bent cap | |
| CN214605054U (en) | Mould for coal injection pipe castable | |
| CN218619798U (en) | Hoisting device applied to 40m prefabricated T-shaped beam side mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |