CN102434088A - Protective cage type steel crawling ladder and manufacturing method thereof - Google Patents
Protective cage type steel crawling ladder and manufacturing method thereof Download PDFInfo
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- CN102434088A CN102434088A CN2011102481197A CN201110248119A CN102434088A CN 102434088 A CN102434088 A CN 102434088A CN 2011102481197 A CN2011102481197 A CN 2011102481197A CN 201110248119 A CN201110248119 A CN 201110248119A CN 102434088 A CN102434088 A CN 102434088A
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Abstract
The invention discloses a protective cage type steel crawling ladder and a manufacturing method thereof, belonging to the field of steel structural construction. The steel crawling ladder comprises a crawling ladder and a protective cage, wherein the crawling ladder comprises two vertical bars and a plurality of transverse foot bars arranged in parallel at intervals and connected between the two vertical bars, the upper ends of the two vertical bars are provided with hooks, and one side of the hooks of the two vertical bars is provided with a plurality of supporting legs; and the protective cage is in a hollow cage type frame structure which is opened at the upper end, the lower end and one side, the crawling ladder is arranged at the opening at one side of the protective cage and is fixedly connected with the protective cage. The steel crawling ladder is simple in structure and good in protective performance and stability and has the advantages of high safety, convenience in use, attractive appearance and the like.
Description
Technical field
The present invention relates to field of steel structure construction, relate in particular to use in a kind of Construction of Steel Structure protect cage steel cat ladder and preparation method thereof.
Background technology
Mostly the engineering that the Steel Structure Installation industry is accepted is high level, super highrise building etc., and operating personnel's interlayer operation needs reciprocal climbing, and the potential safety hazard of existence becomes one of dangerous matter sources important in the Pre-tensioned Steel Structures.In the process of Steel Structure Installation operation, need on steel work, climb by means of the steel cat ladder.Traditional steel cat ladder is between two montants cross bar to be set to step on as ladder; Form a kind of hanging ladder of planar; When in steel work, using, this steel cat ladder top bent hang on capital, the bottom is unsettled or adopt iron wire to be bundled on the cylinder; Adopt interim flitch to do supporting leg, the operating personnel climbs to capital from the bottom.This traditional existing shortcoming of steel cat ladder is: (1) is used iron wire because of the top and is fixed, and the bottom is unsettled, when climbing, causes waving all around easily, has increased the danger of high-altitude climbing, the requirement that does not reach stability; (2) the cat ladder upper supporting leg adopts interim flitch to form (the parts of traditional cat ladder does not have supporting leg) with iron wire binding, and spacing is big, causes collapsing or swelling of cat ladder between two supporting legs easily.Simultaneously, under long-term situation about using, iron wire becomes flexible easily or fractures, and has very big potential safety hazard; (3) do not protect, in the climbing process, can't guarantee the safety at operating personnel both sides and back; (4) distortion of the lack of standardization and cat ladder of the use of interim flitch can't guarantee safety and reach the requirement of civilized construction.
Summary of the invention
Embodiment of the present invention provides a kind of cage steel cat ladder and preparation method thereof that protects, and it is bad to solve in traditional existing use of steel cat ladder steadiness, unshielded facility, problems such as poor stability.
The objective of the invention is to realize through following technical scheme:
Embodiment of the present invention provides a kind of cage steel cat ladder that protects, and this steel cat ladder comprises:
Cat ladder with protect cage; Wherein,
Said cat ladder is made up of two montants and a plurality of horizontal treadle that is connected the parallel interval setting between two montants, and two montants upper ends are provided with crotch, and two montant crotch sides simultaneously are provided with a plurality of legs;
Saidly protect the hollow cage frame construction that cage is a upper/lower terminal opening and a lateral opening, said cat ladder is arranged on the opening part that protects cage one side, and protects cage and is fixedly connected.
In the above-mentioned steel cat ladder, two montants of said cat ladder, a plurality of horizontal treadle and a plurality of leg all adopt round steel, and a plurality of horizontal treadles are fixedly welded between two montants; A plurality of legs are fixedly welded on the montant of curved steel place side.
In the above-mentioned steel cat ladder, said a plurality of legs are a plurality of round steel that are vertically welded on two montants.
In the above-mentioned steel cat ladder, said round steel is the round steel of diameter 12mm.
In the above-mentioned steel cat ladder, the said cage that protects is the circular hollow cage frame construction of 600mm for the upper/lower terminal opening that is welded by the strip flat iron bar and the diameter of a lateral opening.
In the above-mentioned steel cat ladder, said strip flat iron bar is the flat iron bar of wide 25mm, thick 2mm.
Embodiment of the present invention also provides a kind of preparation method of protecting cage steel cat ladder, and this method comprises:
Make cat ladder:
With the round steel is raw material, the round steel two ends has been bent processed horizontal treadle;
, will be welded between two montants as montant with two round steel by the above-mentioned a plurality of horizontal treadle parallel interval of processing;
Two montant upper ends are become crotch to a lateral bending;
, a plurality of legs are welded on two montant one sides of crotch place side as leg with a plurality of round steel, make a plurality of legs vertical, process cat ladder with the montant body of rod;
Cage is protected in making:
A plurality of strip flat iron bars are provided with by latticed anyhow; And with the strip flat iron bar of horizontally set and the vertically fixing welding in place, crosspoint of the strip flat iron bar of setting; Afterwards with the strip flat iron bar embowment of horizontally set, process a upper/lower terminal opening and a lateral opening hollow cage frame construction protect cage;
The above-mentioned cat ladder of processing is fixedly welded on the above-mentioned opening part of processing that protects cage one side, promptly processes and protect cage steel cat ladder.
In the said method, the diameter of making horizontal treadle employing round steel is 12mm, and the length in the middle of each horizontal treadle is 400mm, and the length that has bent at each horizontal treadle two ends all is at least 50mm; The spacing that is arranged on two adjacent horizontal treadles between the montant is 300mm;
It is 50mm that said two montants upper end becomes the length of having bent of crotch to a lateral bending, has bent height 40mm;
Saidly with a plurality of round steel as leg be: employing length is that 80mm, diameter are the round steel of 12mm.
In the above-mentioned preparation method, said making is protected in the cage, and the strip flat iron bar of horizontally set is the flat iron bar of wide 25mm, long 1450mm, thick 2mm; The strip flat iron bar that vertically is provided with is wide 25mm, the flat iron bar of thick 2mm, and the spacing between the adjacent strip flat iron bar of horizontally set is 600mm, the spacing between the adjacent strip flat iron bar that vertically is provided with is 350mm.
Can find out by the above-mentioned technical scheme that provides, in the embodiment of the present invention through cat ladder is fixedly connected and constitutes a kind of steel cat ladder with protection with protecting cage, and; Owing on the cat ladder a plurality of legs are set, can effectively guarantee the stability of steel cat ladder in the use, this steel cat ladder is simple in structure; Protective and steadiness are good; Have advantages such as safe, easy to use, good looking appearance.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 protects cage steel cat ladder structural representation for what the embodiment of the invention provided;
The horizontal treadle structural representation that protects cage steel cat ladder that Fig. 2 provides for the embodiment of the invention;
The cat ladder structural representation that protects cage steel cat ladder that Fig. 3 provides for the embodiment of the invention;
The application sketch map that protects cage steel cat ladder that Fig. 4 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with specific embodiment the technical scheme among the present invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
Do to describe in detail further in the face of the embodiment of the invention down.
The embodiment of the invention is a kind of cage steel cat ladder that protects, and is used in the Construction of Steel Structure, and as the instrument of convenient upper and lower climbing on the steel column, as shown in Figure 1, this steel cat ladder comprises: cat ladder 1 with protect cage 2; Wherein, said cat ladder 1 is made up of two montants 11 and a plurality of horizontal treadle 12 that is connected the parallel interval setting between two montants 11, and two montant 11 upper ends are provided with 111, two montants of crotch, 111 crotch sides and simultaneously are provided with a plurality of legs 13;
Said hollow cage frame construction of protecting cage 2 for a upper/lower terminal opening 21,22 and a lateral opening, said cat ladder 1 is arranged on the opening part that protects cage 2 one sides, is fixedly connected with protecting cage 2, makes to protect cage 2 and cover on cat ladder 1 outward as the protector of cat ladder 1.
In the above-mentioned steel cat ladder, two montants of said cat ladder, a plurality of horizontal treadle and a plurality of leg all adopt round steel, can adopt the round steel of diameter 12mm, and a plurality of horizontal treadles are fixedly welded between two montants, are about to how horizontal treadle and are welded on two montants; A plurality of legs are fixedly welded on the back of two montants, and a plurality of legs are a plurality of steel steel that are vertically welded on two montants, also can adopt the round steel of diameter 12mm.
Above-mentioned preparation method of protecting cage steel cat ladder specifically may further comprise the steps:
Make cat ladder:
With the round steel is raw material, the round steel two ends has been bent processed horizontal treadle;
, will be welded between two montants as montant with two round steel by the above-mentioned a plurality of horizontal treadle parallel interval of processing;
Two montant upper ends are become crotch to a lateral bending;
, a plurality of legs are welded on two montant one sides of crotch place side as leg with a plurality of round steel, make a plurality of legs vertical, process cat ladder with the montant body of rod;
Cage is protected in making:
A plurality of strip flat iron bars are provided with by latticed anyhow; And with the strip flat iron bar of horizontally set and the vertically fixing welding in place, crosspoint of the strip flat iron bar of setting; Afterwards with the strip flat iron bar embowment of horizontally set, process a upper/lower terminal opening and a lateral opening hollow cage frame construction protect cage;
The above-mentioned cat ladder of processing is fixedly welded on the above-mentioned opening part of processing that protects cage one side, promptly processes and protect cage steel cat ladder.
In the above-mentioned preparation method, the diameter of making horizontal treadle employing round steel is 12mm, and the length in the middle of each horizontal treadle is 400mm, and the length that has bent at each horizontal treadle two ends all is at least 50mm; The spacing that is arranged on two adjacent horizontal treadles between the montant is 300mm;
It is 50mm that said two montants upper end becomes the length of having bent of crotch to a lateral bending, has bent height 40mm;
Saidly with a plurality of round steel as leg be: employing length is that 80mm, diameter are the round steel of 12mm.
Above-mentioned preparation method is protected in the cage in making, and the strip flat iron bar of horizontally set is the flat iron bar of wide 25mm, long 1450mm, thick 2mm; The strip flat iron bar that vertically is provided with is wide 25mm, the flat iron bar of thick 2mm, and the spacing between the adjacent strip flat iron bar of horizontally set is 600mm, the spacing between the adjacent strip flat iron bar that vertically is provided with is 350mm.
Below in conjunction with concrete manufacturing process, the present invention is protected cage steel cat ladder be described further.
The preparation method of steel cat ladder of the present invention is specific as follows:
The main material that making steel cat ladder is used has: 25 (width) * 2mm (thickness) flat iron bars, the round steel of φ 12mm, yellow paint, solder set;
Make cat ladder:
(1) make horizontal treadle: adopt φ 12mm round steel, bend at two ends, has bent length H and be at least 50mm, and the length L in the middle of the horizontal treadle is 400mm, and the production quantity of horizontal treadle is by the length decision (horizontal treadle structure is seen Fig. 2) of steel cat ladder;
(2) make cat ladder: the both sides montant welds with bent part by the horizontal treadle of above-mentioned making, guarantees that fusion length is at least 50mm, and the spacing of adjacent horizontal treadle is 300mm on two montants; Cat ladder length can be confirmed by the length of the steel box column of using, and guarantees the cat ladder bottom at the bottom of the post about 300mm, and top to operating platform gets final product; Crotch has been bent on two montant tops, and having bent length is 50mm, has bent highly to be 40mm (the cat ladder structure is seen Fig. 3);
(3) make supporting leg: adopting length is the φ 12mm round steel of 80mm; Weld perpendicular to the plane of montant and horizontal treadle is fixing in the montant both sides; First horizontal treadle is arranged in order to the bottom a plurality of legs from two montant tops, and the spacing of adjacent leg is 1200mm (state of leg setting is seen Fig. 3) from top to bottom; Process cat ladder behind the welding leg;
(4) cage is protected in making: be welded as cross rib and vertical rib by the strip flat iron bar, cross rib adopts 25 * 1450 * 2mm strip flat iron bar, and spacing is 600mm, and vertical rib adopts 25 * 2mm strip flat iron bar, and vertical rib length can be definite according to the length of cat ladder; The diameter of processing a upper/lower terminal opening and a lateral opening after the welding of cross rib and vertical rib be 600mm circular hollow cage frame construction protect cage;
With above-mentioned process protect the welding of cage and cat ladder fixing after, and protect after brushing with yellow paint.
During use, as shown in Figure 4, with above-mentioned steel cat ladder of processing and cylinder (general box post; Also can be other special-shape column) fixing; Make the 300mm place beginning at the bottom of post of steel cat ladder bottom, carry out the welding of supporting leg and cylinder, steel cat ladder top has been bent montant and has been guaranteed that fusion length is 50mm.
The embodiment of the invention protect cage modle steel cat ladder, can solve the various potential dangers that the conventional steel cat ladder exists, can satisfy the requirement of use for a long time and accomplish civilized construction, guarantee the personal safety of operating personnel in the climbing process.
The cage modle steel cat ladder that protects of the present invention is compared with traditional steel cat ladder and had the following advantages: what the installation of (1) invar cat ladder was all adopted is that welding is fixing; The mounting means such as suspension, iron wire binding that has replaced the conventional steel cat ladder; The stability of steel cat ladder improves, and can satisfy use repeatedly and not have excessive deformation.(2) the cat ladder upper supporting leg adopts 80mm long φ 12mm round steel and cylinder to be welded, and has replaced and has used interim flitch to bundle with iron wire, guarantees that the operating personnel tramples the space effectively in the climbing process, and can satisfy use for a long time and be not damaged.(3) have the cage of protecting, guaranteed the safety of operating personnel both sides and back in the climbing process.
The above; Be merely the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. one kind is protected cage steel cat ladder, it is characterized in that, this steel cat ladder comprises:
Cat ladder with protect cage; Wherein,
Said cat ladder is made up of two montants and a plurality of horizontal treadle that is connected the parallel interval setting between two montants, and two montants upper ends are provided with crotch, and two montant crotch sides simultaneously are provided with a plurality of legs;
Saidly protect the hollow cage frame construction that cage is a upper/lower terminal opening and a lateral opening, said cat ladder is arranged on the opening part that protects cage one side, and protects cage and is fixedly connected.
2. the cage steel cat ladder that protects according to claim 1 is characterized in that two montants of said cat ladder, a plurality of horizontal treadle and a plurality of leg all adopt round steel, and a plurality of horizontal treadles are fixedly welded between two montants; A plurality of legs are fixedly welded on the montant of curved steel place side.
3. the cage steel cat ladder that protects according to claim 2 is characterized in that said a plurality of legs are a plurality of round steel that are vertically welded on two montants.
4. according to claim 2 or the 3 described cage steel cat ladders that protect, it is characterized in that said round steel is the round steel of diameter 12mm.
5. the cage steel cat ladder that protects according to claim 1 is characterized in that, the said cage that protects is the circular hollow cage frame construction of 600mm for the upper/lower terminal opening that is welded by the strip flat iron bar and the diameter of a lateral opening.
6. the cage steel cat ladder that protects according to claim 5 is characterized in that said strip flat iron bar is the flat iron bar of wide 25mm, thick 2mm.
7. a preparation method of protecting cage steel cat ladder is characterized in that, this method comprises:
Make cat ladder:
With the round steel is raw material, the round steel two ends has been bent processed horizontal treadle;
, will be welded between two montants as montant with two round steel by the above-mentioned a plurality of horizontal treadle parallel interval of processing;
Two montant upper ends are become crotch to a lateral bending;
, a plurality of legs are welded on two montant one sides of crotch place side as leg with a plurality of round steel, make a plurality of legs vertical, process cat ladder with the montant body of rod;
Cage is protected in making:
A plurality of strip flat iron bars are provided with by latticed anyhow; And with the strip flat iron bar of horizontally set and the vertically fixing welding in place, crosspoint of the strip flat iron bar of setting; Afterwards with the strip flat iron bar embowment of horizontally set, process a upper/lower terminal opening and a lateral opening hollow cage frame construction protect cage;
The above-mentioned cat ladder of processing is fixedly welded on the above-mentioned opening part of processing that protects cage one side, promptly processes and protect cage steel cat ladder.
8. preparation method of protecting cage steel cat ladder according to claim 7; It is characterized in that in the said method, the diameter of making horizontal treadle employing round steel is 12mm; Length in the middle of each horizontal treadle is 400mm, and the length that has bent at each horizontal treadle two ends all is at least 50mm; The spacing that is arranged on two adjacent horizontal treadles between the montant is 300mm;
It is 50mm that said two montants upper end becomes the length of having bent of crotch to a lateral bending, has bent height 40mm;
Saidly with a plurality of round steel as leg be: employing length is that 80mm, diameter are the round steel of 12mm.
9. preparation method of protecting cage steel cat ladder according to claim 7 is characterized in that said making is protected in the cage, and the strip flat iron bar of horizontally set is the flat iron bar of wide 25mm, long 1450mm, thick 2mm; The strip flat iron bar that vertically is provided with is wide 25mm, the flat iron bar of thick 2mm, and the spacing between the adjacent strip flat iron bar of horizontally set is 600mm, the spacing between the adjacent strip flat iron bar that vertically is provided with is 350mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102481197A CN102434088A (en) | 2011-08-26 | 2011-08-26 | Protective cage type steel crawling ladder and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102481197A CN102434088A (en) | 2011-08-26 | 2011-08-26 | Protective cage type steel crawling ladder and manufacturing method thereof |
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| CN102434088A true CN102434088A (en) | 2012-05-02 |
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| CN2011102481197A Pending CN102434088A (en) | 2011-08-26 | 2011-08-26 | Protective cage type steel crawling ladder and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014185A (en) * | 2016-08-08 | 2016-10-12 | 中国长江电力股份有限公司 | Crawling ladder for large hydroelectric generator outage maintenance for both people and objects and installation and using method |
| CN106761375A (en) * | 2017-01-10 | 2017-05-31 | 上海二十冶建设有限公司 | One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column |
| CN107366464A (en) * | 2017-08-28 | 2017-11-21 | 无锡市凡宇水处理机械制造有限公司 | Cat ladder climbing is installed and supports dual-purpose abacterial water tank |
| CN111411887A (en) * | 2020-04-26 | 2020-07-14 | 中国二十二冶集团有限公司 | Outer wall plate mounting ladder stand for steel structure factory building and construction method of outer wall plate mounting ladder stand |
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| CN101550803A (en) * | 2008-04-03 | 2009-10-07 | 上海宝冶建设有限公司 | Safe guarding cage vertical ladder |
| CN201554360U (en) * | 2009-11-05 | 2010-08-18 | 宝钢工程技术集团有限公司 | Vertical ladder with detachable protective cage |
| CN201614881U (en) * | 2010-03-16 | 2010-10-27 | 顾建 | Cage ladder |
| CN201627529U (en) * | 2010-03-24 | 2010-11-10 | 陈宝文 | Cage ladder |
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2011
- 2011-08-26 CN CN2011102481197A patent/CN102434088A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550803A (en) * | 2008-04-03 | 2009-10-07 | 上海宝冶建设有限公司 | Safe guarding cage vertical ladder |
| CN201554360U (en) * | 2009-11-05 | 2010-08-18 | 宝钢工程技术集团有限公司 | Vertical ladder with detachable protective cage |
| CN201614881U (en) * | 2010-03-16 | 2010-10-27 | 顾建 | Cage ladder |
| CN201627529U (en) * | 2010-03-24 | 2010-11-10 | 陈宝文 | Cage ladder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014185A (en) * | 2016-08-08 | 2016-10-12 | 中国长江电力股份有限公司 | Crawling ladder for large hydroelectric generator outage maintenance for both people and objects and installation and using method |
| CN106761375A (en) * | 2017-01-10 | 2017-05-31 | 上海二十冶建设有限公司 | One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column |
| CN107366464A (en) * | 2017-08-28 | 2017-11-21 | 无锡市凡宇水处理机械制造有限公司 | Cat ladder climbing is installed and supports dual-purpose abacterial water tank |
| CN111411887A (en) * | 2020-04-26 | 2020-07-14 | 中国二十二冶集团有限公司 | Outer wall plate mounting ladder stand for steel structure factory building and construction method of outer wall plate mounting ladder stand |
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Application publication date: 20120502 |