CN212389012U - Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer - Google Patents

Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer Download PDF

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Publication number
CN212389012U
CN212389012U CN202020727360.2U CN202020727360U CN212389012U CN 212389012 U CN212389012 U CN 212389012U CN 202020727360 U CN202020727360 U CN 202020727360U CN 212389012 U CN212389012 U CN 212389012U
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China
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steel
square pipe
galvanized square
protective layer
positioning device
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CN202020727360.2U
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王力玮
李大为
白向臣
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Shanghai Civil Engineering Co Ltd of CREC
Huahai Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
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Shanghai Civil Engineering Co Ltd of CREC
Huahai Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
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Abstract

The utility model relates to the technical field of reinforced concrete engineering, in particular to a magnetic positioning device suitable for the steel bar spacing and the protective layer of a side wall steel template, which comprises a galvanized square pipe, wherein the vertical section of the galvanized square pipe is square, and through holes are arranged in the front and back directions of the middle part of the galvanized square pipe; the two steel plates are respectively welded on the upper side and the lower side of the galvanized square pipe, the length of the front-back direction of the steel plates is consistent with that of the galvanized square pipe, the left-right direction of the upper steel plate exceeds the edges of the left side and the right side of the galvanized square pipe, one side of the lower steel plate is flush with the edge of the galvanized square pipe, the other side of the lower steel plate exceeds the edge of the galvanized square pipe, the steel plates are firmly fixed, neodymium iron boron magnet is adopted, the Z-shaped buckle type design is adopted, and meanwhile, the steel plates are fixed through magnetic force and reinforcing steel bars; the location is accurate, uses the steel sheet draw-in groove to carry on spacingly to the reinforcing bar, can guarantee reinforcing bar interval, row apart from, can guarantee again that protective layer thickness is qualified.

Description

Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer
Technical Field
The utility model relates to a reinforced concrete engineering technical field is a magnetism positioner suitable for side wall steel form steel bar interval and protective layer particularly.
Background
The concrete cushion block is positioned, and the main methods for controlling the side wall protective layer at present comprise the concrete cushion block positioning, a steel bar positioning framework and an angle steel clamp. The concrete cushion blocks are used for positioning, the number of the concrete cushion blocks is generally not less than 4 per square meter, although the operation is simple, the construction amount is large, time and labor are consumed, and the concrete cushion blocks are easy to fall off and break in the side wall mold sealing process; the steel bar positioning framework and the angle steel fixture are required to be subjected to measurement lofting before use, the position of the angle steel fixture is accurately positioned, the positioning angle steel fixture is accurately welded on the positioning rib and fixed, the construction quality of the steel bar can be well guaranteed, a large amount of manpower and material resources are consumed when the angle steel and the positioning rib are welded, the consumed time is extremely long, and the average consumed time is 9-11 hours when 12m side wall steel bars are manufactured.
For avoiding above problem, adopt a novel magnetism positioner who is applicable to side wall steel form steel bar interval and protective layer now. The device is installed at the steel mould top, with the help of neodymium iron boron magnetism nature, is aided with Z type buckle formula design, and is fixed simple, reliable, and the location is accurate, dismantles convenient, repeatedly usable, the effectual interval, the row spacing and the protective layer thickness of guaranteeing the side wall reinforcing bar.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of prior art, provide a magnetism positioner suitable for side wall steel form steel bar interval and protective layer.
In order to achieve the purpose, the magnetic positioning device suitable for the space between the steel reinforcements of the side wall steel template and the protective layer is designed, and is characterized by comprising a galvanized square pipe, wherein the vertical section of the galvanized square pipe is square, and through holes are formed in the front and back directions of the middle part of the galvanized square pipe; two steel sheets weld respectively in the upside and the downside of zinc-plated side's pipe, and fore-and-aft direction length is unanimous with zinc-plated side's pipe, and the upside steel sheet left and right sides direction all exceeds zinc-plated side's pipe left and right sides edge, and downside steel sheet one side flushes with zinc-plated side's pipe edge, and the opposite side exceeds zinc-plated side's pipe edge.
The size of the galvanized square tube is 30mm wide and 30mm high.
The upside steel sheet is 105mm wide, and 3mm is thick, and one side surpasss galvanized square pipe edge 30mm, and the opposite side surpasss galvanized square pipe edge 45 mm.
The downside steel sheet is 75mm wide, and 3mm is thick, and one side flushes with zinc-plated square pipe edge, and the opposite side surpasss zinc-plated square pipe 45 mm.
The side of the upper side steel plate exceeding the edge of the galvanized square pipe by 45mm is the same side as the side of the lower side square pipe exceeding the edge of the galvanized square pipe by 45 mm.
And one side of the upper steel plate and the lower steel plate, which exceeds the edge of the galvanized square pipe by 45mm, is provided with a plurality of steel bar clamping grooves.
The steel bar clamping grooves are arc-shaped, the radius of the arc is 14mm, the chord height is 10mm, and the distance between the clamping grooves is 150 mm.
The neodymium iron boron magnet is arranged in the through hole in the middle of the galvanized square pipe, the width of the neodymium iron boron magnet is 24mm, the height of the neodymium iron boron magnet is 24mm, and the length of the neodymium iron boron magnet is consistent with that of the galvanized square pipe.
Compared with the prior art, the utility model, its advantage lies in:
1. the fixing is firm, the neodymium iron boron magnet is adopted, the Z-shaped buckling type design is adopted, and meanwhile, the fixing is carried out through the magnetic force and the steel bar, so that the device is prevented from slipping down, the fixing firmness is ensured, and the advantage of quick disassembly can be achieved;
2. the steel bar is limited by the steel plate clamping grooves, so that the space and the row spacing of the steel bars can be ensured, and the thickness of a protective layer can be ensured to be qualified;
3. the device mainly uses steel plates and neodymium iron boron magnets, and has the advantages of high steel strength, good plasticity and toughness, uniform material quality and high working reliability; the Nd-Fe-B magnet is second to permanent magnet in magnetism, and has moderate cost and good strength, and is widely applied to various industries.
Drawings
FIG. 1 is a schematic structural diagram of a steel plate according to the present invention;
FIG. 2 is a schematic view of the processing steps of the present invention;
fig. 3 is a schematic structural view of the magnetic positioning device of the present invention;
fig. 4 is a cross-sectional view of the magnetic positioning device of the present invention;
fig. 5 is a plan view of the magnetic positioning device of the present invention;
fig. 6 is a top view of the magnetic positioning device of the present invention;
fig. 7 is a sectional view of the magnetic positioning device of the present invention;
in the figure: 1: a magnetic positioning device; 1-1: a neodymium iron boron magnet; 1-2: galvanizing square tubes; 1-3: an upper steel plate; 1-4: a lower steel plate; 2: welding seams; 2-1: a steel bar clamping groove; 3-1: a side wall horizontal rib; 3-2: pulling the steel bar; 3-3: a vertical main rib; 4: and (5) steel templates.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the structure and principle of the present invention will be clear to those skilled in the art. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 3-5, the utility model provides a magnetism positioner suitable for side wall steel form steel bar spacing and protective layer, this device adopts 30mm galvanized square pipe and 3mm thick steel sheet processing, and the through length steel sheet of 75mm width, 3mm thick is welded in the subsides of galvanized square pipe downside, and steel sheet one side is flushed with galvanized square pipe, and one side surpasss galvanized square pipe 45mm, cuts out the reinforcing bar draw-in groove position on one side that the steel sheet surpasss square pipe; the steel plate is characterized in that a 105mm wide steel plate with a thickness of 3mm is welded on the upper side of a galvanized square pipe in an adhering mode, the same side of a groove in the lower portion exceeds 45mm, the side of a groove in the lower portion does not exceed 30mm, the distance between steel bar clamping grooves is 150mm, the steel bar clamping grooves are arc-shaped, the radius of an arc is 14mm, the chord height is 10mm, the thickness of an outermost steel bar drag hook protective layer is 35mm, the width of each side wall steel mould of each length of a magnetic positioning device is the same as that of the side wall steel mould, the magnetic positioning device is convenient to install in a.
Referring to fig. 1-7, the magnetic positioning device of the present invention has the following processing steps:
1. cutting a steel plate into an upper side steel plate with a width of 105mm and a lower side steel plate with a width of 75mm, cutting arc-shaped steel bar clamping grooves with a distance of 150mm, a radius of 14mm and a chord height of 10mm on one side, and placing the steel bars in a dry place after cutting to prevent semi-finished products from being corroded;
2. placing the processed semi-finished product on a processing platform, placing steel plates at the lower layer according to the installation sequence, placing the cut galvanized square tube above the steel plates, arranging neodymium iron boron magnets in the steel plates, aligning one side of the galvanized square tube with the side of the lower steel plate without a clamping groove, and fully welding the contact positions of the galvanized square tube and the lower steel plate;
3. the upper steel plate is placed above the galvanized square pipe, one side of the steel plate without the clamping groove exceeds the square pipe by 30mm, and the contact position of the galvanized square pipe and the upper steel plate is fully welded.
The utility model discloses magnetism positioner's installation step is as follows:
1. the magnetic positioning devices are arranged on the upper edge of the side wall steel formwork, the vertical main reinforcements of the side wall are placed in the reinforcing steel bar clamping grooves in a one-to-one correspondence mode, and the galvanized square tubes and the upper side steel plate are attached to the side wall steel formwork, so that the positioning devices are prevented from falling off or shifting due to the vibration effect during formwork reinforcement and concrete pouring;
2. after the pouring is completed and the die is removed, the magnetic positioning device is pulled upwards along the direction of the steel die, the surface concrete is cleaned by using a steel brush, and the magnetic positioning device is placed in a dry, strong-magnetism-free and sun-shading and rain-sheltering place for storage for subsequent repeated use.

Claims (8)

1. Magnetic positioning device suitable for side wall steel form steel bar spacing and protective layer, its characterized in that includes
The galvanized square pipe is square in vertical section, and through holes are formed in the middle of the galvanized square pipe in the front-back direction;
two steel sheets weld respectively in the upside and the downside of zinc-plated side's pipe, and fore-and-aft direction length is unanimous with zinc-plated side's pipe, and the upside steel sheet left and right sides direction all exceeds zinc-plated side's pipe left and right sides edge, and downside steel sheet one side flushes with zinc-plated side's pipe edge, and the opposite side exceeds zinc-plated side's pipe edge.
2. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 1, characterized in that: the size of the galvanized square pipe is 30mm wide and 30mm high.
3. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 1, characterized in that: the upside steel sheet is 105mm wide, and 3mm is thick, and one side surpasss galvanized square pipe edge 30mm, and the opposite side surpasss galvanized square pipe edge 45 mm.
4. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 1, characterized in that: downside steel sheet is 75mm wide, and 3mm is thick, and one side flushes with zinc-plated square pipe edge, and the opposite side surpasss zinc-plated square pipe 45 mm.
5. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 1, characterized in that: the side of the upper side steel plate exceeding the edge of the galvanized square pipe by 45mm is the same side as the side of the lower side square pipe exceeding the edge of the galvanized square pipe by 45 mm.
6. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 5, characterized in that: and one side of the upper side steel plate and one side of the lower side steel plate, which exceed the edge of the galvanized square pipe by 45mm, are provided with a plurality of steel bar clamping grooves.
7. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 6, characterized in that: the reinforcing bar draw-in groove is arc, and the circular arc radius is 14mm, and the chord height is 10mm, and the draw-in groove interval is 150 mm.
8. The magnetic positioning device suitable for the space between the steel bars of the side wall steel template and the protective layer according to claim 1, characterized in that: the neodymium iron boron magnet is arranged in a through hole in the middle of the galvanized square pipe, the width of the neodymium iron boron magnet is 24mm, the height of the neodymium iron boron magnet is 24mm, and the length of the neodymium iron boron magnet is consistent with that of the galvanized square pipe.
CN202020727360.2U 2020-05-07 2020-05-07 Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer Active CN212389012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020727360.2U CN212389012U (en) 2020-05-07 2020-05-07 Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020727360.2U CN212389012U (en) 2020-05-07 2020-05-07 Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer

Publications (1)

Publication Number Publication Date
CN212389012U true CN212389012U (en) 2021-01-22

Family

ID=74249826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020727360.2U Active CN212389012U (en) 2020-05-07 2020-05-07 Magnetic positioning device suitable for side wall steel formwork steel bar interval and protective layer

Country Status (1)

Country Link
CN (1) CN212389012U (en)

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