Wear-resisting type anti-corrosion scaffold fastener
阅读说明：本技术 一种耐磨型抗锈蚀脚手架扣件 (Wear-resisting type anti-corrosion scaffold fastener ) 是由 李久宁 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种耐磨型抗锈蚀脚手架扣件,用于脚手架钢管之间的连接固定,包括一个半圆管状的固定扣盖以及位于固定扣盖上面的半圆管状的铰接扣盖,固定扣盖与铰接扣盖在一起形成箍住脚手架钢管的圆柱空间；所述固定扣盖上端一侧与铰接扣盖铰接,所述固定扣盖上端另一侧铰接有螺栓；所述铰接扣盖自由端设置有与螺栓匹配的连接部,所述螺栓上设置有用于锁紧的螺母；所述固定扣盖与铰接扣盖内侧均设置有用于防锈蚀防磨损的功能层。本发明通过与脚手架钢管接触的固定扣盖及铰接扣盖的内侧面上增设一层功能层,实现了极好的防锈蚀防磨损功效,延长了其使用寿命,提高了脚手架的连接质量,保证了工作人员的人身安全。(The invention discloses a wear-resistant anti-corrosion scaffold fastener which is used for connecting and fixing scaffold steel pipes and comprises a semicircular tubular fixed buckle cover and a semicircular tubular hinged buckle cover positioned on the fixed buckle cover, wherein the fixed buckle cover and the hinged buckle cover are combined together to form a cylindrical space for hooping the scaffold steel pipes; one side of the upper end of the fixed buckle cover is hinged with the hinged buckle cover, and the other side of the upper end of the fixed buckle cover is hinged with a bolt; the free end of the hinged buckle cover is provided with a connecting part matched with a bolt, and the bolt is provided with a nut for locking; and functional layers for preventing rust, corrosion and abrasion are arranged on the inner sides of the fixed buckle cover and the hinged buckle cover. According to the invention, the functional layers are additionally arranged on the inner side surfaces of the fixed buckle cover and the hinged buckle cover which are in contact with the scaffold steel pipe, so that excellent effects of rust prevention, corrosion prevention and abrasion prevention are realized, the service life of the scaffold is prolonged, the connection quality of the scaffold is improved, and the personal safety of workers is ensured.)
1. The utility model provides a wear-resisting type anti-corrosion scaffold fastener for the connection between the scaffold steel pipe is fixed, its characterized in that: the fixing buckle cover and the hinged buckle cover are combined together to form a cylindrical space for hooping a scaffold steel pipe; one side of the upper end of the fixed buckle cover is hinged with the hinged buckle cover, and the other side of the upper end of the fixed buckle cover is hinged with a bolt; the free end of the hinged buckle cover is provided with a connecting part matched with a bolt, and the bolt is provided with a nut for locking; functional layers for preventing rust, corrosion and abrasion are arranged on the inner sides of the fixed buckle cover and the hinged buckle cover; the fixing buckle cover is provided with a magnetometer, the magnetometer comprises a groove arranged in the fixing buckle cover, two groups of soft magnets are symmetrically arranged in the groove, a vertically arranged zinc block is arranged between the end surfaces of the soft magnets, and the zinc block extends to the upper end surface and the lower end surface of the fixing buckle cover; a strip-shaped constant magnet is arranged in the groove, and a knob for rotation is fixedly arranged at the front end of the constant magnet; the functional layer is formed by preprocessing a fixed buckle cover and a hinged buckle cover, and the processing method comprises the following steps:
1) coating a surface hardening agent, wherein the hardening treatment temperature is 70-95 ℃, the surface hardening treatment time is 15-30min, and the surface hardening agent comprises the following components: 25-35 parts of phosphoric acid, 3-6 parts of nano silicon dioxide, 6-8 parts of nano aluminum oxide, 7-10 parts of nano graphene, 25-35 parts of triethanolamine and 20-40 parts of polyethylene glycol;
2) the slow-release anticorrosive wear-resistant coating comprises the following components: 70-80 parts of epoxy resin, 30-40 parts of acrylic resin, 5-15 parts of cardanol polycyclic carbonate, 10-15 parts of talcum powder, 15-20 parts of zinc chromate and 5-8 parts of mercaptobenzothiazole.
2. A wear-resistant, rust-resistant scaffold fastener according to claim 1, wherein said connecting portion is provided with an open slot matching the bolt, the width of said open slot being less than the minimum width of the nut.
3. A wear-resistant anti-rusting scaffold fastener according to claim 1, wherein the strengthening treatment temperature in step 1) is 75 ℃ and the surface strengthening treatment time is 30 min.
4. The wear-resistant anti-rusting scaffold fastener according to claim 1, wherein the surface enhancer in step 1) comprises the following components: 25 parts of phosphoric acid, 3 parts of nano silicon dioxide, 6 parts of nano aluminum oxide, 7 parts of nano graphene, 25 parts of triethanolamine and 20 parts of polyethylene glycol.
5. A wear-resistant anti-rusting scaffold fastener according to claim 1, wherein the slow-release anti-corrosion wear-resistant coating in step 2) comprises the following components: 80 parts of epoxy resin, 40 parts of acrylic resin, 15 parts of cardanol multi-cyclic carbonate, 15 parts of talcum powder, 20 parts of zinc chromate and 8 parts of mercaptobenzothiazole.
Technical Field
The invention relates to the field of scaffolds, in particular to a wear-resistant anti-corrosion scaffold fastener.
Background
The scaffold is a platform and a protective facility for high-place operation of buildings, and the scaffold cannot be separated in each project construction. In the existing engineering fastener type steel pipe scaffold, the used fastener is a steel pipe connecting piece controlled by bolt torque force according with the standard steel pipe scaffold fastener GB 15831-2006. The components of four semicircular groove bodies are generally adopted to be connected in sequence to form two cylinders which are sleeved on two corresponding scaffold steel pipes in a crossed manner when the scaffolds are connected, so that the relative positions of the two scaffold steel pipes are fixed, and the scaffolds with stable structures are formed by connecting a plurality of groups of scaffold steel pipes in a crossed manner through the components.
The scaffold generally has a long service life, and the scaffold is generally dismantled after the construction of a building is finished. Therefore, the scaffold has great quality requirements, in particular to the scaffold butt-joint fastener. Notice CN107355070B discloses a scaffold fastener, and it is through rotating the hasp piece, clockwise or anticlockwise rotation 90 degrees with the hasp piece, can dwindle gradually and place regional inner space, makes and locks between buckle and the steel pipe, and then reaches the technical effect of locking the steel pipe between buckle and base fast. But it does not carry out rust-resistant wear-resisting processing to it, easily rusts and corrodes in severe environment or often produce the stormy weather environment, or often uses and produces wearing and tearing and lead to difficult locking steel pipe, has seriously influenced the connection quality of scaffold frame and staff's personal safety.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the condition of corrosion or wearing and tearing often can appear in current scaffold fastener, has seriously influenced scaffold's connection quality and staff's personal safety.
In order to solve the technical problems, the invention provides the following technical scheme:
a wear-resistant anti-corrosion scaffold fastener is used for connecting and fixing scaffold steel pipes and comprises a semicircular tubular fixed buckle cover and a semicircular tubular hinged buckle cover positioned on the fixed buckle cover, wherein the fixed buckle cover and the hinged buckle cover are combined together to form a cylindrical space for hooping the scaffold steel pipes; one side of the upper end of the fixed buckle cover is hinged with the hinged buckle cover, and the other side of the upper end of the fixed buckle cover is hinged with a bolt; the free end of the hinged buckle cover is provided with a connecting part matched with a bolt, and the bolt is provided with a nut for locking; functional layers for preventing rust, corrosion and abrasion are arranged on the inner sides of the fixed buckle cover and the hinged buckle cover, a magnetometer is arranged on the fixed buckle cover and comprises a groove arranged in the fixed buckle cover, two groups of soft magnets are symmetrically arranged in the groove, a vertically arranged zinc block is arranged between the end faces of the soft magnets, and the zinc block extends to the upper end face and the lower end face of the fixed buckle cover; a strip-shaped constant magnet is arranged in the groove, and a knob for rotation is fixedly arranged at the front end of the constant magnet; the method is characterized in that a magnetometer is arranged, a constant magnet is in a vertical state initially, after the scaffold steel pipe is fastened and initially fixed through buckling a fixed buckle cover and a hinged buckle cover, a knob is rotated to enable the constant magnet to rotate by 90 degrees, the scaffold steel pipe is adsorbed on the fixed buckle cover in a magnetic force mode, and engineering accidents caused by bolt wire slipping or insufficient torque force connection which is not in accordance with a standard due to over-tight connection are avoided; meanwhile, the zinc block in the zinc block can replace the fixing buckle cover to be oxidized after the functional layer is worn, so that the time for rusting the fixing buckle cover is delayed
The functional layer is formed by preprocessing a fixed buckle cover and a hinged buckle cover, and the processing method comprises the following steps:
1) coating a surface hardening agent, wherein the hardening treatment temperature is 70-95 ℃, the surface hardening treatment time is 15-30min, and the surface hardening agent comprises the following components: 25-35 parts of phosphoric acid, 3-6 parts of nano silicon dioxide, 6-8 parts of nano aluminum oxide, 7-10 parts of nano graphene, 25-35 parts of triethanolamine and 20-40 parts of polyethylene glycol; the corrosion-resistant and wear-resistant effects are achieved through the deposition of nano silicon dioxide, nano aluminum oxide and nano graphene, the compact film is formed on the iron surface of the fixed buckle cover and the iron surface of the hinged buckle cover, meanwhile, the nano graphene is a superconducting material, the nano graphene transmits surplus charges in electrolyte to the releasable periphery, the electronic exchange with iron is avoided, and the corrosion-resistant characteristic is further improved.
2) The slow-release anticorrosive wear-resistant coating comprises the following components: 70-80 parts of epoxy resin, 30-40 parts of acrylic resin, 5-15 parts of cardanol polycyclic carbonate, 10-15 parts of talcum powder, 15-20 parts of zinc chromate and 5-8 parts of mercaptobenzothiazole. The epoxy resin and the acrylic resin have good adhesion characteristics and are suitable for being used as a film forming matrix of the coating, epoxy bonds in the epoxy resin can be combined with metal bonds through chemical reaction, the adhesion is good, and the epoxy resin and the acrylic resin have strong corrosion resistance to acid and alkali under the synergistic action after being combined; the cardanol multi-cyclic carbonate has good high-strength and high-toughness characteristics, and can be subjected to a cross-linking reaction with the triethanolamine obtained in the step 1) to form a three-dimensional net structure, so that the cardanol multi-cyclic carbonate has good wear-resisting characteristics on the whole; the zinc chromate is used as an antirust agent, so that a very high antirust effect can be achieved; the mercaptobenzothiazole can migrate to a corrosion part when the metal is corroded to form a layer of compact passivation protective film on the surface of the metal, and prevents the metal from contacting with a corrosion medium, so that the effect of preventing further deepening of corrosion is achieved, automatic repair is realized, and the service life is prolonged.
As a further scheme of the invention: the connecting portion is provided with an open slot matched with the bolt, and the width of the open slot is smaller than the minimum width of the nut.
As a still further scheme of the invention: in the step 1), the strengthening treatment temperature is 75 ℃, and the surface strengthening treatment time is 30 min.
As a still further scheme of the invention: the surface enhancer in the step 1) comprises the following components: 25 parts of phosphoric acid, 3 parts of nano silicon dioxide, 6 parts of nano aluminum oxide, 7 parts of nano graphene, 25 parts of triethanolamine and 20 parts of polyethylene glycol.
As a still further scheme of the invention: the slow-release type anticorrosive wear-resistant coating in the step 2) comprises the following components: 80 parts of epoxy resin, 40 parts of acrylic resin, 15 parts of cardanol multi-cyclic carbonate, 15 parts of talcum powder, 20 parts of zinc chromate and 8 parts of mercaptobenzothiazole.
Compared with the prior art, the invention has the beneficial effects that: the inner side surfaces of the fixed buckle cover and the hinged buckle cover which are in contact with the scaffold steel pipe are additionally provided with the functional layer, so that the excellent effects of rust prevention, corrosion prevention and abrasion prevention are realized, the service life of the scaffold is prolonged, the connection quality of the scaffold is improved, and the personal safety of workers is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
FIG. 2 is a cross-sectional view of the embodiment at a magnetometer.
In the figure: 1-fixed buckle cover, 2-hinged buckle cover, 3-bolt, 4-connecting part, 5-nut, 6-functional layer, 7-magnetometer, 71-knob, 72-soft magnet, 73-groove, 74-permanent magnet and 75-zinc block.
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.
Referring to fig. 1, the wear-resistant anti-corrosion scaffold fastener for connecting and fixing scaffold steel pipes comprises a semicircular tubular fixed
1) coating a surface hardening agent, wherein the hardening treatment temperature is 75 ℃, the surface hardening treatment time is 30min, and the surface hardening agent comprises the following components: 25 parts of phosphoric acid, 3 parts of nano silicon dioxide, 6 parts of nano aluminum oxide, 7 parts of nano graphene, 25 parts of triethanolamine and 20 parts of polyethylene glycol; the corrosion-resistant and wear-resistant effects are achieved through the deposition of nano silicon dioxide, nano aluminum oxide and nano graphene, the compact film is formed on the iron surface of the fixed buckle cover and the iron surface of the hinged buckle cover, meanwhile, the nano graphene is a superconducting material, the nano graphene transmits surplus charges in electrolyte to the releasable periphery, the electronic exchange with iron is avoided, and the corrosion-resistant characteristic is further improved.
2) The slow-release anticorrosive wear-resistant coating comprises the following components: 80 parts of epoxy resin, 40 parts of acrylic resin, 15 parts of cardanol multi-cyclic carbonate, 15 parts of talcum powder, 20 parts of zinc chromate and 8 parts of mercaptobenzothiazole. The epoxy resin and the acrylic resin have good adhesion characteristics and are suitable for being used as a film forming matrix of the coating, epoxy bonds in the epoxy resin can be combined with metal bonds through chemical reaction, the adhesion is good, and the epoxy resin and the acrylic resin have strong corrosion resistance to acid and alkali under the synergistic action after being combined; the cardanol multi-cyclic carbonate has good high-strength and high-toughness characteristics, and can be subjected to a cross-linking reaction with the triethanolamine obtained in the step 1) to form a three-dimensional net structure, so that the cardanol multi-cyclic carbonate has good wear-resisting characteristics on the whole; the zinc chromate is used as an antirust agent, so that a very high antirust effect can be achieved; the mercaptobenzothiazole can migrate to a corrosion part when the metal is corroded to form a layer of compact passivation protective film on the surface of the metal, and prevents the metal from contacting with a corrosion medium, so that the effect of preventing further deepening of corrosion is achieved, automatic repair is realized, and the service life is prolonged. The magnetometer 7 is arranged, the constant magnet 7 is in a vertical state initially, after the scaffold steel pipe is fastened and initially fixed through buckling the fixed
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
- 上一篇：一种医用注射器针头装配设备
- 下一篇：一种用于工程建筑过程中使用的便携式顶起支撑装置