CN108612301A - A kind of high security steel wall-connecting piece - Google Patents
A kind of high security steel wall-connecting piece Download PDFInfo
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- CN108612301A CN108612301A CN201810358178.1A CN201810358178A CN108612301A CN 108612301 A CN108612301 A CN 108612301A CN 201810358178 A CN201810358178 A CN 201810358178A CN 108612301 A CN108612301 A CN 108612301A
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- Prior art keywords
- wall
- parts
- connecting piece
- high security
- limiting tube
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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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of high security steel wall-connecting pieces, the tie point for solving wall-connecting piece and wall is concentrated mainly on wall outer side, and the stress that tie point is born is larger, once there is crack in wall connecting point, the problem of be easy to causeing security risk, its key points of the technical solution are that a kind of high security steel wall-connecting piece, including limit steel pipe and the positioning steel tube being installed on limit steel pipe, the limit steel pipe includes the first position-limiting tube being arranged on the inside of wall and is arranged the second position-limiting tube in wall outer side, the positioning steel tube by fastener respectively with the first position-limiting tube and the second position-limiting tube vertical connection, the stress point between wall and wall-connecting piece is disperseed, improve the safety of wall-connecting piece.
Description
Technical field
The present invention relates to scaffolds to build, more particularly to a kind of high security steel wall-connecting piece.
Background technology
Scaffolding work uses always in construction projects, and in construction projects by scaffold frame body and building body knot
Structure is connected by wall-connecting piece structure.Wall-connecting piece structure is generally referred to by reinforcing the steady of other structures with end connection is reliably fixed
Qualitative component can transmit pulling force and pressure.It is coupled using the attached wall that wall-connecting piece structure is realized, for reinforcing the whole of scaffold
Body stability improves its stable bearing capacity and plays a very important role with the major accidents tool such as topple over or cave in is avoided the occurrence of.
The utility model if Authorization Notice No. is CN203594218U belongs to scaffold and building structure in construction
The design and manufacturing technology field of the equipment or facility that are connected to a fixed, more particularly to a kind of rear-mounted wall-connecting piece of scaffold, packet
Include scaffold, wall and fastener, the wall-connecting piece is made of bottom plate, keyhole and connecting rod, the bottom plate be rectangle or circle,
Connecting rod is arranged in consolidation at the center of bottom plate, and wall-connecting piece bottom plate is connected with wall by chemical anchor bolts, passes through fastener
Connecting rod is connected with scaffold.The tie point of the wall-connecting piece and wall is concentrated mainly on wall outer side, and tie point is born
Stress it is larger, once crack occurs in wall connecting point, be easy to cause security risk.
Invention content
The object of the present invention is to provide a kind of high security steel wall-connecting pieces, have disperseed the stress between wall and wall-connecting piece
Point improves the safety of wall-connecting piece.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of high security steel wall-connecting piece, including limit steel pipe and be installed in the positioning steel tube limited on steel pipe, the limit
Position steel pipe includes the first position-limiting tube being arranged on the inside of wall and is arranged the second position-limiting tube in wall outer side, the positioning
Steel pipe by fastener respectively with the first position-limiting tube and the second position-limiting tube vertical connection.
By using above-mentioned technical proposal, set up separately on the inside of wall and the first position-limiting tube and the second position-limiting tube of wall outer side
Positioning action can be played, the positioning steel tube being connected on the first position-limiting tube and the second position-limiting tube is enable to be located on wall,
Compared to being directly embedded in wall, the design can avoid pre-buried depth not enough caused by the poor problem of bonding strength；Together
When, the first position-limiting tube and the second position-limiting tube can disperse stress, and then avoid crack occur at positioning steel tube and wall connecting drawing
Hair is dangerous, by the design of the wall-connecting piece, can reduce the stress for making wall in positioning steel tube circumferential direction, make wall to wall-connecting piece
It sockets more securely, improves the safety of wall-connecting piece.
Preferably, being equipped with several first by axial symmetry pad of positioning steel tube between on the inside of first position-limiting tube and wall
Chock is equally equipped with several second chocks between second position-limiting tube and wall outer side by axial symmetry pad of positioning steel tube.
By using above-mentioned technical proposal, the design of the first chock and the second chock can increase the first position-limiting tube and the second limit
The contact area of position pipe and wall, and then increase forced area, improve the stability of wall-connecting piece entirety.
Preferably, the surface of the wall-connecting piece is sequentially coated with quick-dry type aqueous acrylic modified epoxy ester anti-corrosive primer
Layer and ultra-violet curing acrylic acid top-coat layer.
By using above-mentioned technical proposal, since wall-connecting piece is generally made of steel, and outside building, it is easy life
Rust, the design of quick-dry type aqueous acrylic modified epoxy ester anti-corrosive primer layer is coated on its surface can protect wall-connecting piece, in turn
It avoids wall-connecting piece from being rusted in use and influences the firmness connected between scaffold and wall, protect wall-connecting piece,
The safety connected between scaffold and wall is further improved simultaneously, and ultra-violet curing acrylic acid top-coat layer then can be used in
Protection priming paint avoids priming paint from being damaged before solidifying priming paint.
Preferably, the quick-dry type aqueous acrylic modified epoxy ester anti-corrosive primer layer is by aqueous acrylic modified epoxy
It is formed after ester solidifying priming paint, the aqueous acrylic modified epoxy ester priming paint includes following mass fraction meter raw material：Aqueous ring
30-35 parts of oxygen ester resin, 35-40 parts of acrylic emulsion, 3-5 parts of polyaniline, 1.5-2.0 parts of dispersant, deionized water 15-20
Part, 0.2-0.4 parts of antifoaming agent, 5-10 parts of rust resisting pigment, 0.1-0.3 parts of clay, 0.1-0.3 parts of silane coupling agent KH570, oxygen
0.1-0.3 parts of graphite alkene, 0.1-0.2 parts of levelling agent, 2-2.5 parts of coalescents, 0.2-0.5 parts of thickener；
It include following preparation process：
Water-base epoxy ester resin is added in pill tank, sequentially adds polyaniline, dispersant, deionized water, defoaming by Step1
Agent, rust resisting pigment, clay, silane coupling agent KH570, graphene oxide, grinding cross 500 mesh sieve, obtain graining paste；
Step2 is added graining paste, levelling agent and coalescents simultaneously while stirring in acrylic emulsion, and thickener is added
Viscosity is adjusted to get aqueous acrylic modified epoxy ester priming paint.
By using above-mentioned technical proposal, water-base resin is the base-material of film forming, with water-base epoxy ester resin and acrylic acid tree
Fat is as Primary resins, acrylic acid-grafted on water-base epoxy ester in preparation process, forms composite membrane-forming object, has
The fast advantage of strong adhesive force, water-tolerant, good weatherability, good corrosion resistance, rate of drying, meanwhile, it is capable to penetrate into the hair of base material
Pore gap, it is good with the wetability of steel product, there is higher film adhesive, and after film forming, under the action of oxygen, energy
Oxidation cross-linked reaction occurs for the unsaturated double-bond for enough making resin total, further increases water resistance and corrosion resistance energy；Polyaniline can
Improve the antiseptic property of coating；Dispersant, which can be reduced, completes dispersion process required time and energy, what stabilization was disperseed
Rust resisting pigment dispersion, modified rust resisting pigment particle surface properties, adjusts the motility of rust resisting pigment particle；Antifoaming agent reduces bubble
Foam stablizes coating system；The addition of rust resisting pigment can further increase the rustless property of priming paint as physics antirust, to even wall
Part plays a protective role；Clay is compound with polyaniline, can further increase the antiseptic property of polyaniline, and it is fine and close to improve its film forming
Property；Silane coupling agent KH570 can improve the degree of cross linking of acrylic modified epoxy ester resin, improve its water resistance, resistance to salt water
And salt fog resistance；Graphene oxide is compound with polyaniline, can further increase the film forming compactness of polyaniline, simultaneous oxidation stone
Black alkene has stronger physical shielding effect, can further increase the antiseptic property of coating；Levelling agent can promote coating dry
A smooth, smooth, uniform film is formed in dry film forming procedure；Coalescents can promote high-molecular compound Plastic Flow and
Flexible deformation improves coalescence performance, coating can be promoted to form a film within the scope of wide construction temperature；Thickener can not only make painting
Material thickening prevents sagging phenomenon occur in construction, and can assign the excellent mechanical performance of coating and bin stability.
Priming paint obtained has higher adhesive force on steel wall-connecting piece under above-mentioned formula, and form a film compact structure, resistance to
Salt fog, water resistance, rust-preventing characteristic are good, and can improve the structural strength of steel connector, connect to further increase steel
The safety of fitting.
It is mixed preferably, the rust resisting pigment includes following mass fraction meter raw material：4-6 parts of iron oxide red,
8-10 parts of trbasic zinc phosphate, 1-2 parts of aluminium powder, 0.5-1 parts of zinc oxide, 0.05-0.1 parts of zinc molybdate, 0.05-0.1 parts of barium molybdate.
By using above-mentioned technical proposal, above-mentioned metal salt can be dispersed in resin system, improve paint film
Compactness reduces paint film permeability, plays shielding action, to play anti-rust action, can reach preferable antirust
Effect.
Preferably, further include pH neutralizers, the pH neutralizers are ammonium hydroxide, triethylamine or N, N- dimethanol ethanol amines
One of which.
By using above-mentioned technical proposal, the addition of pH neutralizers can prevent from leading due to adding different pigment and auxiliary agent
The system pH variations of cause, keep the acid-base balance of system, to prevent demulsification；Ammonium hydroxide has the characteristics that at low cost, and triethylamine and N,
The excellent storage stability of N- dimethanol ethanol amines.
Preferably, the pH neutralizers are preferably N, N- dimethanol ethanol amines.
By using above-mentioned technical proposal, N, N- dimethanols ethanol amine not only has preferable bin stability, additionally it is possible to
Dispersibility of the polyaniline in system is improved, the uniformity of film forming is improved.
Preferably, further including 0.1-0.2 parts of anti-settling agent.
By using above-mentioned technical proposal, anti-settling agent is the rheology control agent of a kind of coating, it makes coating have thixotropy,
Viscosity greatly improves, and can further increase the bin stability of coating.
Preferably, the anti-settling agent is 1 including being organobentonite and aerosil according to mass ratio：1 is compound
It forms.
By using above-mentioned technical proposal, it is mainly hectorite as raw material that organobentonite, which is using natural smectite, with
Salt (such as quaternary ammonium salt) reacts, and aerosil is to prevent precipitation made from silicon tetrachloride hydrolyzes in oxyhydrogen flame
Mechanism is because it is with thixotropy, to change the rheological property of system, prevent pigment sedimentation；Meanwhile gas phase titanium dioxide
It acts synergistically between silicon and rust resisting pigment, acrylic emulsion, water-base epoxy ester resin, acrylic emulsion, acrylic acid can be made to change
Property epoxy-ester carry thixotropy, improve prevent precipitation effect, improving stability.
In conclusion the invention has the advantages that：
1, the steel wall-connecting piece is by setting up separately on the inside of wall and the design of the first position-limiting tube and the second position-limiting tube of wall outer side
The problem for avoiding not caused enough the bonding strength of pre-buried depth poor；Meanwhile making to be forced through the first position-limiting tube and the second limit
Pipe is disperseed, and is made wall socketing more securely to wall-connecting piece, is improved the bonding strength between wall-connecting piece and wall, make company
Wall part can integrally bear the external force of bigger, improve the safety of wall-connecting piece；
2, the steel wall-connecting piece passes through application homemade quick-dry type aqueous acrylic modified epoxy ester anti-corrosive primer layer and ultraviolet solid
Change acrylic acid top-coat layer to be used cooperatively, improve the adhesive ability of paint film, improve corrosion resistant, the corrosion resistance of wall-connecting piece,
And the surface strength of wall-connecting piece is improved, further improve the safety of wall-connecting piece.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of wall-connecting piece.
In figure, 1, limit steel pipe；11, the first position-limiting tube；12, the second position-limiting tube；2, positioning steel tube；21, the first linkage section；
22, the second linkage section；23, third linkage section；3, wall；41, the first chock；42, the second chock；51, the first fastener；52,
Two fasteners；6, upright bar；7, first crossbar；8, second crossbar.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1
Referring to Fig. 1, a kind of wall-connecting piece includes the positioning steel tube 2 for limiting steel pipe 1 and being installed on limit steel pipe 1.This connects wall
Part is installed on the wall 3 for offering location hole, and positioning steel tube 2 is threaded through in location hole, and limit steel pipe 1 connects with positioning steel tube 2
It connects and is clamped in 3 both sides of wall to complete the locking of wall-connecting piece.
Limit steel pipe 1 includes the second limit positioned at the first position-limiting tube 11 of 3 inside of wall and positioned at 3 outside of wall
Pipe 12, the first position-limiting tube 11 is consistent with the length of the second position-limiting tube 12, is mutually parallel and with respect to 3 contour arrangement of wall.First limit
Position pipe 11 and the second position-limiting tube 12 are arranged along the length direction of wall 3.Between 3 inside of both ends and wall of first position-limiting tube 11
Axial symmetry is provided with the first chock 41 of 11 center of the first position-limiting tube.Between 3 outside of both ends and wall of second position-limiting tube 12
Axial symmetry is provided with the second chock 42 of 12 center of the second position-limiting tube.
Positioning steel tube 2 is vertically connected on the center of the first position-limiting tube 11 and the second position-limiting tube 12 by fastener comprising has
Positioned at the first linkage section 21 of the inside of wall 3, the third linkage section 23 that is threaded through in wall 3 and positioned at 3 outside of wall the
Two linkage sections 22.First linkage section 21, the second linkage section 22 are integrally formed with third linkage section 23, and the length of third linkage section 23
The length ratio of the consistency of thickness of degree and wall 3, the first linkage section 21 and third linkage section 23 is 2:5, the length of the second linkage section 22
Degree will be longer than the length of the first linkage section 21.
Fastener includes the first fastener 51 being fastened between the first linkage section 21 and the first position-limiting tube 11 and is fastened on
The second fastener 52 on second linkage section 22 and the second position-limiting tube 12, the first fastener 51 and the second fastener 52 are double fasteners.
Several upright bars 6, first crossbar 7 and the second crossbar 8 installed for scaffold are also associated on third linkage section 23.
The diameter of first crossbar 7 is less than the diameter of second crossbar 8.Wherein several upright bars 6 are vertical by fastener along the length direction of wall 3
It is fixed on positioning steel tube 2, and the distance between adjacent upright bar 6 is consistent.First crossbar 7 is by fastener along the side of vertical wall 3
To being fixed in upright bar 6, and keep vertical with all upright bars 6.Second crossbar 8 is solid along the width direction of wall 3 by fastener
It is scheduled in upright bar 6, and is kept vertically positioned at all upright bars 6 and all first crossbars 7, and second crossbar 8 is connected to the first cross
The lower section of bar 7.
The above positioning steel tube 2, limit steel pipe 1, fastener, upright bar 6, first crossbar 7 and second crossbar 8 are by steel, table
Face is also coated with quick-dry type aqueous acrylic modified epoxy ester anti-corrosive primer layer and ultra-violet curing acrylic acid top-coat layer.Quick-dry type water
Property acrylic modified epoxy ester anti-corrosive primer layer be self-control.By the way that the priming paint is coated in positioning steel tube 2, limit steel pipe 1, is buckled
In part, upright bar 6, first crossbar 7 and second crossbar 8, and it is anti-so that it is cured and obtain quick-dry type aqueous acrylic modified epoxy ester
Become rusty prime coat.Ultra-violet curing acrylic acid top-coat is by being purchased from Shanghai Paint Co., Ltd..The quick-dry type for being 30% in curing degree is aqueous
Ultra-violet curing acrylic acid top-coat is coated on acrylic modified epoxy ester anti-corrosive primer layer, it is incident upon by ultraviolet lighting and is fully cured
Afterwards to get to ultra-violet curing acrylic acid top-coat layer.
Second position-limiting tube 12 when mounted, is installed in the second linkage section 22 by the wall-connecting piece by the second fastener 52 first
On, the second chock 42 pad is located between the second position-limiting tube 12 and wall 3.Then the first linkage section 21 is placed through wall 3
On location hole, so that third linkage section 23 is threaded through in wall 3,.The second position-limiting tube 12 is installed by the first fastener 51 at this time
It is located between 3 inside of the first position-limiting tube 11 and wall on the first linkage section 21, and by the first chock 41 pad.By adjusting first
Elasticity between adjusting the first position-limiting tube 11 and the second position-limiting tube 12 and wall 3 of the position of fastener 51.
Upright bar 6, first crossbar 7 and second crossbar 8 can be set later, and scaffold is bound by steel wire rope, or button
Part is fastened in upright bar 6, first crossbar 7 and second crossbar 8, completes the installation of scaffold.
Embodiment 2a
In embodiment 1, homemade aqueous acrylic modified epoxy ester priming paint is prepared by the following procedure method and is made：
3kg water-base epoxy ester resins are added in pill tank by Step1, sequentially add 0.3kg polyanilines, 0.15kg dispersants,
1.5kg deionized waters, 0.02kg antifoaming agent, 0.5kg rust resisting pigments, 0.01kg clays, 0.01kg silane coupling agents KH570,
0.01kg graphene oxides are ground uniformly by three-roller, are crossed 500 mesh and are weeded out except filter residue, obtain graining paste；
Step2, in 3.5kg acrylic emulsions while stirring simultaneously be added graining paste made from Step1,0.01kg levelling agents and
0.2kg coalescents, and 0.02kg thickeners are added and adjust viscosity to get aqueous acrylic modified epoxy ester priming paint.
Wherein：
Dispersant is purchased from CNOOC Changzhou EP Coating Co., Ltd., model BYK-190；
Antifoaming agent is purchased from CNOOC Changzhou EP Coating Co., Ltd., and model BYK-030 is mineral oil antifoam agent；
Levelling agent is purchased from CNOOC Changzhou EP Coating Co., Ltd., model BYK-333；
Coalescents are purchased from Guangzhou Ang Di Chemical Co., Ltd.s, are Texanol；
Rust resisting pigment is self-control, by 0.4kg iron oxide reds, 1kg trbasic zinc phosphates, 0.1kg aluminium powders, 0.05kg zinc oxide, 0.005kg
1.56kg rust resisting pigments can be made after ground and mixed in zinc molybdate, 0.005kg barium molybdates.
Embodiment 2b- embodiments 2e is identical as the preparation method of embodiment 2a, differs only in aqueous acrylic modified
The concrete component parameter of epoxy ester undercoat and the concrete component parameter of rust resisting pigment are different.
Wherein, the design parameter of aqueous acrylic modified epoxy ester priming paint see the table below (unit：kg)：
The concrete component parameter of rust resisting pigment see the table below (unit：kg)：
| Embodiment 2a | Embodiment 2b | Embodiment 2c | Embodiment 2d | Embodiment 2e | |
| Iron oxide red | 0.4 | 0.5 | 0.6 | 0.45 | 0.55 |
| Trbasic zinc phosphate | 1.0 | 0.9 | 0.85 | 0.95 | 0.8 |
| Aluminium powder | 0.1 | 0.15 | 0.17 | 0.12 | 0.2 |
| Zinc oxide | 0.05 | 0.08 | 0.06 | 0.09 | 0.1 |
| Zinc molybdate | 0.005 | 0.008 | 0.01 | 0.009 | 0.006 |
| Barium molybdate | 0.005 | 0.01 | 0.006 | 0.008 | 0.007 |
By priming paint made from embodiment 2a- embodiments 2e on being sprayed on wall-connecting piece disclosed in embodiment 1, to wall-connecting piece before spraying
Carry out defatting-bonderizing；Wall-connecting piece after spraying is baked to curing degree at 80 DEG C and reaches 30%, rear to spray ultra-violet curing acrylic acid face
Paint, under ultraviolet irradiation continuing 80 DEG C is baked to paint film and is fully cured, 25 DEG C place 12 days after carry out film performance test.
Test event includes：
Adhesive force：It is tested according to GB/T 9286-1998；
Impact resistance：It is tested according to GB/T 1732-1993；
Water resistance：It is tested according to GB/T 1733-1993；
Salt fog resistance：It is tested according to GB/T 1771-2007.
| Embodiment 2a | Embodiment 2b | Embodiment 2c | Embodiment 2d | Embodiment 2e | |
| Adhesive force/grade | 0 | 0 | 0 | 0 | 0 |
| Impact resistance/cm | 55 | 58 | 59 | 54 | 50 |
| Water resistance (240h) | Pass through | Pass through | Pass through | Pass through | Pass through |
| Salt fog resistance (240h) | Pass through | Pass through | Pass through | Pass through | Pass through |
Embodiment 3a
Embodiment 3a and embodiment 2a difference lies in, embodiment 3a be also added in Step2 0.005kg pH neutralizers and
The anti-settling agent of 0.01kg, it according to mass ratio is 1 that anti-settling agent, which is organobentonite and aerosil,：1 is combined.PH is neutralized
Agent is ammonium hydroxide.
Embodiment 3b- embodiments 3e is identical as the preparation method of embodiment 3a, differs only in the specific of pH neutralizers
Component and parameter and the concrete component parameter of anti-settling agent are different.Concrete outcome see the table below (unit：kg)：
By priming paint made from embodiment 2a- embodiments 2e on being sprayed on wall-connecting piece disclosed in embodiment 1, to wall-connecting piece before spraying
Carry out defatting-bonderizing；Wall-connecting piece after spraying is baked to curing degree at 80 DEG C and reaches 30%, rear to spray ultra-violet curing acrylic acid face
Paint, under ultraviolet irradiation continuing 80 DEG C is baked to paint film and is fully cured, 25 DEG C place 12 days after carry out above-mentioned film performance and survey
Examination.And there is the wall-connecting piece of priming paint and finishing coat as a comparison case 1 with unattached；To coat commercially available acrylic modified epoxy ester priming paint
Wall-connecting piece as a comparison case 2；Using coat commercially available acrylic modified epoxy ester priming paint and commercially available ultra-violet curing acrylic acid top-coat as
Comparative example 3, is equally tested for the property.
Test result see the table below：
| Embodiment 3a | Embodiment 3b | Embodiment 3c | Embodiment 3d | Embodiment 3e | |
| pH | 7.2 | 7.4 | 7.3 | 7.2 | 7.3 |
| Adhesive force/grade | 0 | 0 | 0 | 0 | 0 |
| Impact resistance/cm | 56 | 61 | 62 | 55 | 58 |
| Water resistance (240h) | Pass through | Pass through | Pass through | Pass through | Pass through |
| Salt fog resistance (240h) | Pass through | Pass through | Pass through | Pass through | Pass through |
| Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| pH | / | 7.5 | 7.3 |
| Adhesive force/grade | / | 1 | 0 |
| Impact resistance/cm | / | 45 | 52 |
| Water resistance (240h) | (corrosion occur) is not passed through | Pass through | Pass through |
| Salt fog resistance (240h) | (corrosion occur) is not passed through | Pass through | Pass through |
To sum up, self-control priming paint of the present invention not only has higher adhesive force on wall-connecting piece, while having higher
Impact resistance improves the surface strength of wall-connecting piece.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of high security steel wall-connecting piece, which is characterized in that including limiting steel pipe（1）And it is installed in limit steel pipe（1）
On positioning steel tube（2）, the limit steel pipe（1）Include to be arranged in wall（3）First position-limiting tube of inside（11）And it sets
It sets in wall（3）Second position-limiting tube in outside（12）, the positioning steel tube（2）By fastener respectively with the first position-limiting tube（11）With
Second position-limiting tube（12）Vertical connection, the surface of the wall-connecting piece are sequentially coated with quick-dry type aqueous acrylic modified epoxy ester and prevent
Become rusty prime coat and ultra-violet curing acrylic acid top-coat layer.
2. a kind of high security steel wall-connecting piece according to claim 1, which is characterized in that first position-limiting tube（11）
And wall（3）With positioning steel tube between inside（2）It is equipped with several first chocks for axial symmetry pad（41）, second position-limiting tube
（12）With wall（3）Equally with positioning steel tube between outside（2）It is equipped with several second chocks for axial symmetry pad（42）.
3. a kind of high security steel wall-connecting piece according to claim 1, which is characterized in that the quick-dry type aqueous acrylamide
Sour modified epoxy ester anti-corrosive primer layer is described aqueous acrylic modified by being formed after aqueous acrylic modified epoxy ester solidifying priming paint
Epoxy ester undercoat includes following mass fraction meter raw material：30-35 parts of water-base epoxy ester resin, gathers 35-40 parts of acrylic emulsion
3-5 parts of aniline, 1.5-2.0 parts of dispersant, 15-20 parts of deionized water, 0.2-0.4 parts of antifoaming agent, 5-10 parts of rust resisting pigment, clay
0.1-0.3 parts, 0.1-0.3 parts of silane coupling agent KH570,0.1-0.3 parts of graphene oxide, 0.1-0.2 parts of levelling agent, film forming
2-2.5 parts of auxiliary agent, 0.2-0.5 parts of thickener；
It include following preparation process：
Water-base epoxy ester resin is added in pill tank, sequentially adds polyaniline, dispersant, deionized water, defoaming by Step1
Agent, rust resisting pigment, clay, silane coupling agent KH570, graphene oxide, grinding cross 500 mesh sieve, obtain graining paste；
Step2 is added graining paste, levelling agent and coalescents simultaneously while stirring in acrylic emulsion, and thickener is added
Viscosity is adjusted to get aqueous acrylic modified epoxy ester priming paint.
4. a kind of high security steel wall-connecting piece according to claim 3, which is characterized in that the rust resisting pigment includes
Following mass fraction meter raw material mixes：4-6 parts of iron oxide red, 8-10 parts of trbasic zinc phosphate, 1-2 parts of aluminium powder, zinc oxide 0.5-1
Part, 0.05-0.1 parts of zinc molybdate, 0.05-0.1 parts of barium molybdate.
5. a kind of high security steel wall-connecting piece according to claim 3, which is characterized in that further include pH neutralizers
0.05-0.1 parts, the pH neutralizers are ammonium hydroxide, triethylamine or N, the one of which of N- dimethanol ethanol amines.
6. a kind of high security steel wall-connecting piece according to claim 5, which is characterized in that the pH neutralizers are preferably
N, N- dimethanol ethanol amine.
7. a kind of high security steel wall-connecting piece according to claim 3, which is characterized in that further include anti-settling agent 0.1-
0.2 part.
8. a kind of high security steel wall-connecting piece according to claim 7, which is characterized in that the anti-settling agent includes to have
Machine bentonite and aerosil are 1 according to mass ratio：1 is combined.
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| CN201810358178.1A CN108612301A (en) | 2018-04-20 | 2018-04-20 | A kind of high security steel wall-connecting piece |
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| CN201810358178.1A CN108612301A (en) | 2018-04-20 | 2018-04-20 | A kind of high security steel wall-connecting piece |
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