CN116081530A - Chimney type spiral cat ladder installation device and method - Google Patents
Chimney type spiral cat ladder installation device and method Download PDFInfo
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- CN116081530A CN116081530A CN202211488638.5A CN202211488638A CN116081530A CN 116081530 A CN116081530 A CN 116081530A CN 202211488638 A CN202211488638 A CN 202211488638A CN 116081530 A CN116081530 A CN 116081530A
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- building
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- cat ladder
- chimney
- basket
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/16—Slings with load-engaging platforms or frameworks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
Abstract
The application relates to a chimney type spiral cat ladder installation device and method, wherein the method comprises the following steps: calculating materials required by building the cat ladder, blanking and cutting, carrying out hot dip galvanizing anti-corrosion treatment on the cut materials, drawing a construction scheme, building a hanging mechanism, a safety rope and a basket type workbench at the top of a building, circumferentially dividing a chimney into a plurality of vertical planes, starting from one of the vertical planes, welding the cat ladder from bottom to top by using the basket type workbench, rotating the hanging mechanism to the other vertical plane after welding is finished until welding of all the vertical planes is finished, and carrying out painting anti-corrosion treatment on the welding position. Through setting up the suspension mechanism at building top to hang basket formula workstation on suspension mechanism through the cable, start from building bottom again, upwards construct along same perpendicular, carry out the anticorrosive treatment of painting to welding department after the integral erection is accomplished, can remove the workstation through suspension mechanism, do not receive construction site restriction and accord with job site safety requirement.
Description
Technical Field
The application relates to the technical field of cat ladder equipment, in particular to a chimney type spiral cat ladder installation device and method.
Background
The stair is used as a member for vertical traffic between floors in a building, the stair climbing is steep in gradient, and people need to use the stair with both hands when going up and down, so that the stair has the advantages of multiple functions, strong bearing capacity, safety, reliability, simplicity in installation, space saving, no scattered members easy to lose, low loss and less later investment.
Along with the rapid development of economic and urban infrastructure in China, the cat ladder is not only used for building construction, but also used for building large-scale projects such as various bridges, tunnels, culverts, chimneys, water towers, dams, large-span sheds and the like. For chimney type buildings, only spiral type ladders are often installed due to the self-structure limitation. In the conventional chimney type spiral cat ladder installation process, a crane is generally used to install the spiral cat ladder upwards from the lowest stepping step, and the spiral cat ladder moves along with the rotation of the cat ladder until the spiral cat ladder is installed at the highest position designed in advance.
However, in the conventional installation process, the crane needs to adjust its position in real time according to the installation progress, which is easily limited by the construction site, and the hanging basket by the crane does not meet the safety requirements of the construction site.
Disclosure of Invention
Accordingly, it is necessary to provide a chimney type spiral cat ladder installation device and method which are not limited by sites and meet the safety requirements of construction sites.
In a first aspect, the present application provides a chimney type spiral cat ladder installation device, comprising:
one end of the suspension mechanism is rotatably arranged at the top end of the building;
the basket type workbench is hung on the part, extending out of the building, of the hanging mechanism through a guy cable, and a gap exists between the basket type workbench and the building;
the safety rope is independently arranged at the top end of the building, and a self-locking device is arranged on the safety rope;
the safety belt is tied on the self-locking device by constructors, the constructors wear the safety helmet and then climb on the basket type workbench, the hanging mechanism is rotated and the height of the basket type workbench is lifted, and after the safety belt is lifted to an operation place, the constructors perform construction.
In a second aspect, the present application provides a method for installing a chimney-type spiral crawling ladder, the method comprising:
calculating materials required by building the crawling ladder, and blanking and cutting;
performing hot-dip galvanizing antiseptic treatment on the cut material;
setting up a construction scheme, and building a hanging mechanism, a safety rope and a basket type workbench on the top of a building;
dividing the chimney into a plurality of vertical planes along the circumferential direction, starting from one of the vertical planes, welding the crawling ladder from bottom to top by using the basket-type riding workbench, and rotating the suspension mechanism to the other vertical plane after welding is finished to continue construction until welding of all the vertical planes is finished;
and (5) performing painting and corrosion prevention treatment on the welding position.
In one embodiment, the hot dip zinc corrosion protection treatment of the cut material further comprises:
the material is rinsed with alkaline cleaning water or fresh water to remove contaminants present on the surface.
In one embodiment, the material is cleaned with alkaline clean water or fresh water to remove contaminants present on the surface, and then further comprises:
the surface of the material is polished using an electric polisher.
In one embodiment, the proposed construction scheme is to build a hanging mechanism, a safety rope and a basket type workbench on top of a building, and the proposed construction scheme comprises:
simulating the positions of all parts of the rotary crawling ladder according to the building drawing and the field mapping;
the hanging mechanism is arranged at the top of a building, the basket type workbench is hung on the part of the hanging mechanism extending out of the building through a guy rope, and the hanging basket can be lifted along with the operation requirement.
In one embodiment, the proposed construction scheme is to build a hanging mechanism, a safety rope and a basket type workbench on the top of the building, and then further comprises:
two welding machines are prepared for synchronously welding the pedal and the railing.
In one embodiment, the chimney is circumferentially divided into a plurality of vertical planes, from one of the vertical planes, the riding basket type workbench welds the ladder from bottom to top, and after the welding is completed, the hanging mechanism is rotated to the other vertical plane to continue the construction until the welding of all the vertical planes is completed, including:
dividing the chimney into a plurality of vertical planes along the circumferential direction, and welding the triangular support of the platform at a pre-simulation position;
and welding the pedals and the railing along the same vertical plane from bottom to top synchronously, and rotating the suspension mechanism to the other vertical plane after welding is finished to continue construction until welding of all the vertical planes is finished.
In one embodiment, the method further comprises the steps of:
cleaning the cat ladder base material, and painting antirust paint after airing.
In one embodiment, the cleaning of the ladder substrate, the painting of the rust-proof paint after the airing, further comprises:
and (3) checking the creeper for electric leakage, appearance and construction quality, and ensuring no looseness in welding and no defect in painting.
According to the chimney type spiral cat ladder installation device and method, through calculating the building drawing, carrying out hot-dip galvanizing anti-corrosion treatment on materials after cutting and blanking, constructing the hanging mechanism at the top of a building, hanging the prefabricated basket type workbench at the part of the hanging mechanism extending out of the building through the inhaul cable, ensuring that a certain gap is reserved between the basket type workbench and the building, constructing the cat ladder from the bottom of the building, welding along the same vertical plane in the installation process, rotating the hanging mechanism after welding is finished so that the basket type workbench moves to another operation position, and carrying out painting anti-corrosion treatment on the welding position after integral installation is finished. In the installation process, the workbench can be moved through the suspension mechanism, is not limited by a construction site and meets the safety requirement of the construction site.
Drawings
FIG. 1 is a schematic view of a chimney-type spiral ladder mounting apparatus in one embodiment of the present application;
FIG. 2 is a flow chart of a method of installing a chimney type spiral crawling ladder in an embodiment of the present application;
fig. 3 is a flow chart of a method of installing a chimney type spiral crawling ladder in another embodiment of the present application.
In the figure: 100. a suspension mechanism; 200. a basket-type work table; 300. a safety rope; 310. a self-locking device.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used in the description of the present application for purposes of illustration only and do not represent the only embodiment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first feature with the second feature, or an indirect contact of the first feature with the second feature via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
Unless defined otherwise, all technical and scientific terms used in the specification of this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. The term "and/or" as used in the specification of this application includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, in one embodiment, a chimney-type spiral cat ladder mounting apparatus includes a suspension mechanism 100, a basket work table 200, and a safety line 300. Wherein one end of the hanging mechanism 100 is rotatably installed at the top of the building, the basket type work table 200 is hung at the portion of the hanging mechanism 100 extending out of the building through a pulling rope, and a gap exists between the basket type work table and the building, and the safety rope 300 is independently installed at the top of the building, and the self-locking device 310 is installed thereon.
Wherein, constructor hangs the safety belt on self-locker 310, and wears the safety helmet and then climbs on basket type working table 200, rotates suspension mechanism 100 and lifts the height of basket type working table 200, and after making it rise to the operation place, constructor carries out construction.
According to the chimney type spiral cat ladder installation device, the hanging mechanism 100 is built at the top of a building, the prefabricated basket type workbench 200 is hung on the part, extending out of the building, of the hanging mechanism 100 through the inhaul cable, a certain gap is reserved between the basket type workbench 200 and the building, and the safety rope 300 with the self-locking device 310 is independently installed at the top of the building. The work table can be moved by the suspension mechanism 100, is not limited by the construction site and meets the safety requirements of the construction site.
As shown in fig. 2, in one embodiment, a method for installing a chimney type spiral cat ladder includes the steps of:
and S110, calculating materials required by building the crawling ladder, and blanking and cutting.
Specifically, the calculation is performed on the building of which the cat ladder needs to be built, and the cutting and blanking are combined with the dimension on the drawing. Wherein, the blanking refers to the operation process of taking off a certain shape, quantity or quality of material from the whole or whole batch of material after determining the shape, quantity or quality of the material required for manufacturing a certain device or product.
It should be noted that more material than calculated to be needed should be prepared for blanking and cutting so that the material can be replaced in time when inadvertently damaged during construction.
And step S120, performing hot dip galvanizing antiseptic treatment on the cut material.
Specifically, the material after cutting is immersed in zinc bath, and the material reacts with molten zinc to form an alloyed film through the wetting action of the plating assistant. In daily use, as the chimney type ladder is installed outdoors, iron metal in the material reacts with moisture and oxygen in the environment in the presence of carbon impurities, the iron metal can rust, and safety accidents are easy to occur. Such potential safety hazards can be effectively reduced by hot dip galvanization of the material.
It should be noted that hot dip galvanization is one of the most effective means for delaying the corrosion of the steel material environment, and through the hot dip galvanization material, the whole steel surface is protected, and the molten zinc is easily and uniformly covered no matter in the inside of the pipe fitting at the concave position or in any other corner where the coating is difficult to enter, so that the method is the method with the most widely used, the best corrosion prevention effect and the best economic benefit at present.
And S130, constructing a construction scheme, and constructing a hanging mechanism, a safety rope and a basket type workbench on the top of the building.
Specifically, a construction scheme is drawn according to a building drawing, a hanging mechanism is firstly built at the top of a building, one end of the hanging mechanism is rotatably arranged at the top end of the building, and part of the hanging mechanism extends out of the building; the prefabricated basket type workbench is hung on the part of the hanging mechanism extending out of the building through the stay cable, and a certain gap is reserved between the basket type workbench and the building; finally, under the condition of ensuring that the lower part is unmanned, the height of the basket type workbench is improved, the device is used for testing the stability of the installation device of the chimney type spiral crawling ladder, and the safety of operation is ensured by additionally arranging the falling protector at the inhaul cable.
The safety rope needs to be independently installed at the top end of the building, and the constructor needs to ensure that the safety belt is fastened on the self-locking device of the safety rope in the climbing operation.
And S140, dividing the chimney into a plurality of vertical planes along the circumferential direction, starting from one of the vertical planes, welding the crawling ladder from bottom to top by using the basket-type riding workbench, and rotating the suspension mechanism to the other vertical plane after welding is finished to continue construction until welding of all the vertical planes is finished.
Specifically, in the installation process, in order to ensure the safety and the construction efficiency of constructors, the height of the basket type workbench can be vertically and upwards increased from a certain position according to the positions of all parts of the ladder simulated in advance, the parts on the current vertical plane are firstly installed, when all the parts on the current vertical plane are installed, the direction of the hanging mechanism is changed, the installation of the parts on the other vertical plane is completed, and the like, and when the hanging mechanism winds a circle around a building, the construction of the ladder can be completed.
And step S150, painting and anti-corrosion treatment is carried out on the welding part.
Specifically, the welded part is more easy to rust when encountering moisture and oxygen in the air due to welding heating treatment, and rust can cause perforation or even fracture of the welded part, so that the welded part has great potential safety hazard, and the welded part is subjected to painting anti-corrosion treatment to isolate the moisture and the oxygen in the air, so that the possibility of rust is broken from the root.
According to the chimney type spiral cat ladder installation method, the building drawing is calculated, hot-dip zinc corrosion prevention treatment is carried out on materials after cutting and blanking, the hanging mechanism is built at the top of a building, the prefabricated basket type workbench is hung on the portion, extending out of the building, of the hanging mechanism through the inhaul cable, a certain gap is reserved between the basket type workbench and the building, then the cat ladder is constructed from the bottom of the building, welding is carried out along the same vertical plane in the installation process, the hanging mechanism is rotated after the welding is completed so that the basket type workbench moves to another operation position, and painting corrosion prevention treatment is carried out on a welding position after integral installation is completed. In the installation process, the workbench can be moved through the suspension mechanism, is not limited by a construction site and meets the safety requirement of the construction site.
As shown in fig. 3, in one embodiment, a method for installing a chimney type spiral cat ladder includes the steps of:
and S210, calculating materials required by building the crawling ladder, and blanking and cutting.
Specifically, the calculation is performed on the building of which the cat ladder needs to be built, and the cutting and blanking are combined with the dimension on the drawing. Wherein, the blanking refers to the operation process of taking off a certain shape, quantity or quality of material from the whole or whole batch of material after determining the shape, quantity or quality of the material required for manufacturing a certain device or product.
It should be noted that more material than calculated to be needed should be prepared for blanking and cutting so that the material can be replaced in time when inadvertently damaged during construction.
In step S220, the material is washed with alkaline clean water or fresh water to remove contaminants present on the surface.
Specifically, before the material is derusted, dust, grease and other pollutants on the surface of the material need to be removed, the material is cleaned by alkaline clean water or fresh water, and the material can be derusted after being naturally dried.
In step S230, the surface of the material is polished using an electric polisher.
Specifically, the quality of the surface treatment of the material directly affects the adhesiveness of the anticorrosive paint, so that the rust on the surface of the material needs to be removed by a power tool such as a polisher, and the material is coated within six hours after the cleaning is finished, so that secondary rust is prevented
And step S240, performing hot dip galvanizing antiseptic treatment on the cut material.
Specifically, the material after cutting is immersed in zinc bath, and the material reacts with molten zinc to form an alloyed film through the wetting action of the plating assistant. In daily use, as the chimney type ladder is installed outdoors, iron metal in the material reacts with moisture and oxygen in the environment in the presence of carbon impurities, the iron metal can rust, and safety accidents are easy to occur. Such potential safety hazards can be effectively reduced by hot dip galvanization of the material.
It should be noted that hot dip galvanization is one of the most effective means for delaying the corrosion of the steel material environment, and through the hot dip galvanization material, the whole steel surface is protected, and the molten zinc is easily and uniformly covered no matter in the inside of the pipe fitting at the concave position or in any other corner where the coating is difficult to enter, so that the method is the method with the most widely used, the best corrosion prevention effect and the best economic benefit at present.
Step S250, simulating the positions of all parts of the rotary crawling ladder according to the building drawing and the field mapping.
Specifically, according to the building drawing and survey and drawing the building, draw out the construction scheme, make the simulation to cat ladder access & exit, footboard, railing and the position that the platform triangle supported in advance, if need install cat ladder work platform, can also carry out the position simulation to it to follow-up construction.
And step S260, installing the hanging mechanism on the top of the building, hanging the basket type workbench on the part of the hanging mechanism extending out of the building through a stay rope, and lifting the basket according to the operation requirement.
Specifically, firstly, a hanging mechanism is built at the top of a building, one end of the hanging mechanism is rotatably arranged at the top of the building, and part of the hanging mechanism extends out of the building; the prefabricated basket type workbench is hung on the part of the hanging mechanism extending out of the building through the stay cable, and a certain gap is reserved between the basket type workbench and the building; finally, under the condition of ensuring that the lower part is unmanned, the height of the basket type workbench is improved, the device is used for testing the stability of the installation device of the chimney type spiral crawling ladder, and the safety of operation is ensured by additionally arranging the falling protector at the inhaul cable.
The safety rope needs to be independently installed at the top end of the building, and the constructor needs to ensure that the safety belt is fastened on the self-locking device of the safety rope in the climbing operation.
Step S270, two welding machines are prepared for synchronously welding the pedal and the railing.
Specifically, when the cat ladder is installed, a layer of reinforcement is required to be installed, and the next construction can be performed after the wall connecting piece and the fastener are firmly checked after the construction is completed. Therefore, two welding machines are prepared to simultaneously weld the pedal and the railing, so that the construction speed can be greatly increased, and the construction safety can be ensured.
And S280, dividing the chimney into a plurality of vertical planes along the circumferential direction, and welding the triangular support of the platform at a pre-simulation position.
Specifically, the diameter of the root chimney divides the root chimney into a plurality of parts along the circumferential direction, so that the subsequent construction is convenient. The platform triangular supports are stabilizing devices in high-rise building, and the platform triangular supports are installed at first to play a supporting role in installation of follow-up pedals and railings.
And step S290, welding the pedals and the railing along the same vertical plane from bottom to top synchronously, and rotating the suspension mechanism to the other vertical plane after the welding is finished to continue construction until the welding of all the vertical planes is finished.
Specifically, in the installation, in order to ensure the safety and the construction efficiency of constructors, the height of the basket type workbench can be vertically and upwards increased from a certain position according to the positions of all parts of the ladder which are simulated in advance, and the pedals and the railings are synchronously welded, so that one layer of reinforcement is installed. When all the parts on the vertical plane are welded, the direction of the hanging mechanism is changed, the installation of the parts on the other vertical plane is completed, and the like, and when the hanging mechanism winds a circle of a building, the construction of the cat ladder can be completed.
In step S2100, the welded portion is subjected to paint corrosion prevention treatment.
Specifically, the welded part is more easy to rust when encountering moisture and oxygen in the air due to welding heating treatment, and rust can cause perforation or even fracture of the welded part, so that the welded part has great potential safety hazard, and the welded part is subjected to painting anti-corrosion treatment to isolate the moisture and the oxygen in the air, so that the possibility of rust is broken from the root.
Step S2110, cleaning the ladder substrate, and painting antirust paint after airing.
Specifically, clean the cat ladder substrate through clean water and polisher, including dust, welding slag, splash and the welding beans to its surface, dry the back and precoat corners, gap etc. and then brush the plane.
Step S2120, performing electric leakage, appearance and construction quality inspection on the crawling ladder, and ensuring that welding is free of looseness and painting is free of defects.
Specifically, safety and appearance inspection are carried out on the cat ladder after installation is completed, so that no potential safety hazard is ensured, and the cat ladder is good in appearance.
According to the chimney type spiral cat ladder installation method, the building drawing is calculated, materials are cleaned, dedusted, polished and derusted after being cut and fed, hot dip zinc corrosion prevention treatment is carried out, the positions of all parts of the rotary cat ladder are simulated after field mapping, a hanging mechanism is built at the top of a building, a prefabricated basket type workbench is hung on the part of the hanging mechanism extending out of the building through a guy rope, a certain gap is reserved between the basket type workbench and the building, two welding machines are prepared, a chimney is firstly divided into a plurality of vertical planes along the circumferential direction from the bottom of the building, a platform triangular support is welded at a pre-simulated position, then reinforcement such as a pedal plate, a railing and the like are synchronously constructed, welding is carried out along the same vertical plane in the installation process, the hanging mechanism is rotated after welding is completed so that the basket type workbench moves to another operation position, painting corrosion prevention treatment is carried out on a welding position after installation is completed, and quality and appearance inspection are finally carried out on the cat ladder. In the installation process, the workbench can be moved through the suspension mechanism, is not limited by a construction site and meets the safety requirement of the construction site.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (9)
1. A chimney type spiral cat ladder installation device, characterized by comprising:
one end of the suspension mechanism is rotatably arranged at the top end of the building;
the basket type workbench is hung on the part, extending out of the building, of the hanging mechanism through a guy cable, and a gap exists between the basket type workbench and the building;
the safety rope is independently arranged at the top end of the building, and a self-locking device is arranged on the safety rope;
the safety belt is tied on the self-locking device by constructors, the constructors wear the safety helmet and then climb on the basket type workbench, the hanging mechanism is rotated and the height of the basket type workbench is lifted, and after the safety belt is lifted to an operation place, the constructors perform construction.
2. A method for installing a chimney type spiral crawling ladder, which is characterized by comprising the following steps:
calculating materials required by building the crawling ladder, and blanking and cutting;
performing hot-dip galvanizing antiseptic treatment on the cut material;
setting up a construction scheme, and building a hanging mechanism, a safety rope and a basket type workbench on the top of a building;
dividing the chimney into a plurality of vertical planes along the circumferential direction, starting from one of the vertical planes, welding the crawling ladder from bottom to top by using the basket-type riding workbench, and rotating the suspension mechanism to the other vertical plane after welding is finished to continue construction until welding of all the vertical planes is finished;
and (5) performing painting and corrosion prevention treatment on the welding position.
3. The method for installing a chimney type spiral cat ladder according to claim 2, wherein the hot-dip zinc corrosion prevention treatment is performed on the cut material, and the method further comprises the following steps:
the material is rinsed with alkaline cleaning water or fresh water to remove contaminants present on the surface.
4. The method of installing a chimney spiral cat ladder according to claim 3, wherein the material is washed with alkaline clean water or fresh water to remove contaminants present on the surface, and further comprising:
the surface of the material is polished using an electric polisher.
5. The method for installing a chimney type spiral cat ladder according to claim 4, wherein the constructing scheme is constructed by constructing a hanging mechanism, a safety rope and a basket type workbench on the top of a building, and the method comprises the following steps:
simulating the positions of all parts of the rotary crawling ladder according to the building drawing and the field mapping;
the hanging mechanism is arranged at the top of a building, the basket type workbench is hung on the part of the hanging mechanism extending out of the building through a guy rope, and the hanging basket can be lifted along with the operation requirement.
6. The method for installing a chimney type spiral cat ladder according to claim 5, wherein the constructing scheme is constructed by constructing a hanging mechanism, a safety rope and a basket type workbench on the top of a building, and then the method further comprises:
two welding machines are prepared for synchronously welding the pedal and the railing.
7. The method for installing a chimney type spiral cat ladder according to claim 6, wherein the chimney is divided into a plurality of vertical planes along the circumferential direction, the cat ladder is welded from bottom to top by a basket type working table, and the suspension mechanism is rotated to the other vertical plane to continue construction until the welding of all the vertical planes is completed, and the method comprises the following steps:
dividing the chimney into a plurality of vertical planes along the circumferential direction, and welding the triangular support of the platform at a pre-simulation position;
and welding the pedals and the railing along the same vertical plane from bottom to top synchronously, and rotating the suspension mechanism to the other vertical plane after welding is finished to continue construction until welding of all the vertical planes is finished.
8. The method of installing a chimney spiral cat ladder according to claim 7, wherein the painting and corrosion-preventing treatment is performed on the welded portion, and further comprising:
cleaning the cat ladder base material, and painting antirust paint after airing.
9. The method for installing a chimney type spiral cat ladder according to claim 8, wherein the steps of cleaning the cat ladder base material, air-drying, and painting antirust paint, and further comprises:
and (3) checking the creeper for electric leakage, appearance and construction quality, and ensuring no looseness in welding and no defect in painting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211488638.5A CN116081530A (en) | 2022-11-25 | 2022-11-25 | Chimney type spiral cat ladder installation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211488638.5A CN116081530A (en) | 2022-11-25 | 2022-11-25 | Chimney type spiral cat ladder installation device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116081530A true CN116081530A (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211488638.5A Pending CN116081530A (en) | 2022-11-25 | 2022-11-25 | Chimney type spiral cat ladder installation device and method |
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| Country | Link |
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| CN (1) | CN116081530A (en) |
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2022
- 2022-11-25 CN CN202211488638.5A patent/CN116081530A/en active Pending
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