CN106761375A - One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column - Google Patents
One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column Download PDFInfo
- Publication number
- CN106761375A CN106761375A CN201710019527.2A CN201710019527A CN106761375A CN 106761375 A CN106761375 A CN 106761375A CN 201710019527 A CN201710019527 A CN 201710019527A CN 106761375 A CN106761375 A CN 106761375A
- Authority
- CN
- China
- Prior art keywords
- steel
- angle steel
- angle
- ladder
- cat ladder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
- E06C9/085—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members ladders unfolded in the direction of the longitudinal members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
Adjustable readily removable steel loading cat ladder is installed for long narrow steel column the present invention relates to one kind, including two ladder bars, two of which ladder bars upper and lower ends and centre are provided with some angle steel and mark time, and upper end angle steel mark time on be arranged with two hooks, between two neighboring angle steel is marked time, ladder bars be provided with some grab rods, angle steel intermediate symmetry of marking time is provided with some with the angle steel corresponding slotted hole of support.Construction method：Position line is hung according to steel cat ladder in advance, positioning angle steel is marked time with grab rod the position in two ladder bars, and completes welding；Supported by bolt pair and bolt backing plate angle cleat and marked time with angle steel；Two hooks are symmetrically welded on upper end angle steel is marked time；Cat ladder is hung on steel column by hook, steel column is completed and is installed；After completing construction, unload and remove angle steel mark time, angle steel support, ladder bars, grab rod and hook, cutting angle bracing members.Present invention reduces the waste of material that the auxiliary installation measure one-off construction such as steel cat ladder is caused.
Description
Technical field
It is more particularly to a kind of to install adjustable readily removable for long narrow steel column the invention belongs to high-rise building art field
Steel loading cat ladder and its construction method.
Background technology
With the development of high-rise building, application of the steel construction in high-rise building field is more and more extensive.Fully to send out
The big characteristic of the steel construction ratio of strength to weight is waved, Steel Structural Design increasingly tends to strong node, the design philosophy of weak rod member, reduces and receive
Power rod member especially vertical applied force member design cross section geometry.The tradition used in vertical member such as steel column installation process
Steel cat ladder cannot meet construction demand because being limited by steel column cross-sectional width, while traditional steel cat ladder is generally disposable input making
With causing the waste of steel construction interim measure material.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of for long narrow steel column install adjustable readily removable steel loading cat ladder and
Its construction method, can adjust orientation angle bracing members spacing according to steel column width by bolt pair and bolt backing plate, and steel cat ladder is torn open
Dress it is convenient and it is repeatable utilize, so as to reduce the input of steel cat ladder class temporary facility during Steel Structure Installation, while reducing
The problem of the waste of material that the auxiliary installation measure one-off construction such as steel cat ladder is caused.
The technical solution adopted for the present invention to solve the technical problems is：There is provided a kind of adjustable easily for the installation of long narrow steel column
Dismounting steel cat ladder, including two ladder bars, wherein described two ladder bars upper and lower ends and centre are provided with some angle steel mark time, and upper end
Angle steel is arranged with two hooks on marking time, between two neighboring angle steel is marked time, ladder bars be provided with some grab rods, the angle
Steel intermediate symmetry of marking time is provided with some with the angle steel corresponding slotted hole of support, for adjustment angle bracing members spacing and steel column width
Match somebody with somebody, angle steel rear side of marking time vertically is provided with the support of some angle steel, for supporting cat ladder.
Further technical characteristic of the invention is that described two ladder bars are angle steel ladder beam.
Further technical characteristic of the invention is, the angle steel mark time intermediate symmetry be provided with two it is corresponding with angle steel support
Slotted hole.
Further technical characteristic of the invention is that the angle steel is marked time, and rear side is vertical to be provided with two angle steel supports, and two
The support of individual angle steel is symmetrical arranged along angle steel center line of marking time.
Further technical characteristic of the invention is that the angle steel is marked time by connecting bolt pair and bolt backing plate and ladder bars
Connection.
Further technical characteristic of the invention is, angle steel two ends of marking time are provided with circular port, for being connected with ladder bars.
Further technical characteristic of the invention is that the grab rod is with ladder bars by being welded to connect.
A kind of a kind of described construction method that adjustable readily removable steel loading cat ladder is installed for long narrow steel column, wherein
A () hangs position line in advance according to steel cat ladder, positioning angle steel is marked time with grab rod the position in two ladder bars, and
Complete welding；
B () is supported by bolt pair and bolt backing plate angle cleat and is marked time with angle steel, and according to steel column width, by bolt
Secondary and bolt backing plate adjusts orientation angle bracing members spacing；
C () is symmetrically welded two hooks on upper end angle steel is marked time；
D () hangs on steel column cat ladder by hook, complete steel column and install；
E () completes construction after, unload and remove angle steel mark time, angle steel support, ladder bars, grab rod and hook, cutting angle
Bracing members.
Further technical characteristic of the invention is, in the step (e), angle steel supporting base end portion is polished, for reusing.
Beneficial effect
The present invention, to control bracing members pitch match steel column width, ensure that steel to the full extent by regulating bolt position
The stability that ladder is used；Steel cat ladder is marked time and is marked time using angle steel every 1.5m, and cat ladder is same with steel column braces using angle steel,
Angle iron frame is collectively constituted with terraced beam, more traditional round steel cat ladder rigidity gets a promotion, it is ensured that during steel access ladder construction
Security；Bracing members are connected by screw bolts with steel cat ladder, dismount and convenient transportation, reduce cat ladder and make welding capacity；Steel column is pacified
Bracing members are cut after the completion of dress, bracing members end polishes achievable limited number of time and reuses；The steel cat ladder is supported because of adjustable steel
Spacing is realizing the recycling between engineering.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is terraced beam of the invention, marks time, supports connection diagram.
Fig. 3 is angle steel tread structure schematic diagram of the invention.
Fig. 4 is angle steel stiffening structure schematic diagram.
Fig. 5 is the structural representation of embodiment 1.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
As Figure 1-Figure 4, it is a kind of that adjustable readily removable steel loading cat ladder, including two ladder bars 3 are installed for long narrow steel column, wherein
The upper and lower ends of described two ladder bars 3 and centre are provided with some angle steel and mark time 1, and upper end angle steel to be marked time and be arranged with two extensions on 1
Hook 7, two neighboring angle steel is marked time between 1, ladder bars 3 are provided with some grab rods 4, and the angle steel 1 intermediate symmetry of marking time is provided with
It is some to support 2 corresponding slotted holes with angle steel, matched with the width of steel column 8 for the spacing of adjustment angle bracing members 2, the angle steel is marked time
1 rear side is vertically provided with some angle steel supports 2, for supporting cat ladder.
Described two ladder bars 3 are angle steel ladder beam.
The angle steel 1 intermediate symmetry of marking time is provided with two and supports 2 corresponding slotted holes, the angle steel to mark time after 1 with angle steel
Side is vertically provided with two angle steel support 2, and two angle steel supports 2 are symmetrical arranged along angle steel 1 center line of marking time, and the angle steel is stepped on
Step 1 is connected by connecting bolt pair 5 and bolt backing plate 6 with ladder bars 3, and the angle steel 1 two ends of marking time are provided with circular port, for ladder
Bar 3 is connected.
The grab rod 4 is with ladder bars 3 by being welded to connect.
A kind of a kind of described construction method that adjustable readily removable steel loading cat ladder is installed for long narrow steel column, wherein
(a) according to steel cat ladder hang in advance position line, positioning angle steel mark time 1 and grab rod 4 it is upper in two ladder bars 3
Put, and complete welding；
B () supports 2 to mark time 1 with angle steel by bolt pair 5 and the angle cleat of bolt backing plate 6, and according to the width of steel column 8, lead to
Cross bolt pair 5 and the spacing of the regulation orientation angle of bolt backing plate 6 bracing members 2；
C () being marked time two hooks 7 of be symmetrically welded on 1 in upper end angle steel；
D () hangs on steel column 8 cat ladder by hook 7, complete steel column and install；
(e) complete construction after, unload and remove angle steel mark time 1, angle steel support 2, ladder bars 3, grab rod 4 and hook 7, cut
Chamfer bracing members 2.
In the step (e), polish angle steel and support 2 ends, for reusing.
Embodiment 2
As shown in Figures 1 to 5, it is a kind of that adjustable readily removable steel loading cat ladder is installed for long narrow steel column：Angle steel is marked time 1, angle steel branch
The angle steel of support 2, angle steel ladder beam 3 Wei ∟ 50 × 5；Grab rod 4 is the plain bar of φ 10；The specification of connecting bolt 5 using M10 ×
30；Bolt backing plate 6 is 25 × 25 thick steel plates of 5mm；Hook is the plain bar of φ 16 between capital or ladder.
The above-mentioned construction method that adjustable readily removable steel loading cat ladder is installed for long narrow steel column：
(1) angle steel is marked time, angle steel is supported, angle steel ladder beam, hook make assembling, and 6m is high for shaping each standard sections of cat ladder,
Width 450mm, spacing of marking time 500mm；Angle steel is marked time two mother rib lateral rotundum aperture φ 11.5, spacing 480mm, and middle slotted hole 30 ×
11.5, center spacing 280mm；Welded seam form uses angle welding, Size of welds 5mm；
(2) according to steel column width line positioning bracing members position, bracing members are welded, weld seam form uses angle welding, leg
Size 5mm；
(3) bolt connection steel cat ladder, bolt strength grade use 4.6 grades, specification be M10 × 30, welding capital hook and
Steel column, connects cat ladder standard sections；
(4) steel members such as steel column, girder steel are installed；
(5) after steel member is installed, unscrew connecting bolt, remove steel cat ladder standard sections；
(6) bracing members are cut, otch is polished, realizes that this engineering or Other Engineering are reused.
In above-mentioned construction operation, steel cat ladder and bracing members are customized in steel construction processing factory and produced in step (1), and batch is raw
To building site, the steel cat ladder is not applied to be installed with the steel column of cross-sectional width ＜ 250mm for transport after the completion of product.
Claims (9)
- It is 1. a kind of that adjustable readily removable steel loading cat ladder, including two ladder bars (3) are installed for long narrow steel column, it is characterised in that：Described two Individual ladder bars (3) upper and lower ends and centre are provided with some angle steel and mark time (1), and upper end angle steel to be marked time and be arranged with two extensions on (1) Hook (7), two neighboring angle steel is marked time between (1), ladder bars (3) are provided with some grab rods (4), and the angle steel is marked time in (1) Between be arranged with the corresponding slotted holes of some supports (2) with angle steel, for adjustment angle bracing members (2) spacing and steel column (8) width Matching, the angle steel (1) rear side of marking time vertically is provided with some angle steel support (2), for supporting cat ladder.
- 2. according to claim 1 a kind of for the long narrow steel column adjustable readily removable steel loading cat ladder of installation, it is characterised in that：It is described Two ladder bars (3) are angle steel ladder beam.
- 3. according to claim 1 a kind of for the long narrow steel column adjustable readily removable steel loading cat ladder of installation, it is characterised in that：It is described Angle steel (1) intermediate symmetry of marking time is provided with two with angle steel support (2) corresponding slotted holes.
- 4. according to claim 1 a kind of for the long narrow steel column adjustable readily removable steel loading cat ladder of installation, it is characterised in that：It is described Angle steel is marked time, and (1) rear side is vertical to be provided with two angle steel support (2), and two angle steel support (2) are marked time (1) center line along angle steel It is symmetrical arranged.
- 5. according to claim 1 a kind of for the long narrow steel column adjustable readily removable steel loading cat ladder of installation, it is characterised in that：It is described Angle steel mark time (1) by connecting bolt pair (5) and bolt backing plate (6) be connected with ladder bars (3).
- 6. according to claim 1 a kind of for the long narrow steel column adjustable readily removable steel loading cat ladder of installation, it is characterised in that：It is described Angle steel (1) two ends of marking time are provided with circular port, for being connected with ladder bars (3).
- 7. according to claim 1 a kind of for the long narrow steel column adjustable readily removable steel loading cat ladder of installation, it is characterised in that：It is described Grab rod (4) is with ladder bars (3) by being welded to connect.
- 8. a kind of a kind of construction method that adjustable readily removable steel loading cat ladder is installed for long narrow steel column according to claim 1, It is characterized in that：A () hangs position line in advance according to steel cat ladder, positioning angle steel is marked time (1) and grab rod (4) is upper in two ladder bars (3) Put, and complete welding；B () supports (2) to be marked time (1) with angle steel by bolt pair (5) and bolt backing plate (6) angle cleat, and wide according to steel column (8) Degree, orientation angle bracing members (2) spacing is adjusted by bolt pair (5) and bolt backing plate (6)；C () is symmetrically welded two hooks (7) on upper end angle steel marks time (1)；D () hangs on steel column (8) cat ladder by linking up with (7), complete steel column and install；(e) complete construction after, unload and remove angle steel mark time (1), angle steel support (2), ladder bars (3), grab rod (4) and hook (7), cutting angle bracing members (2).
- 9. a kind of a kind of construction method that adjustable readily removable steel loading cat ladder is installed for long narrow steel column as claimed in claim 8, its It is characterised by：In the step (e), angle steel support (2) end is polished, for reusing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019527.2A CN106761375A (en) | 2017-01-10 | 2017-01-10 | One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019527.2A CN106761375A (en) | 2017-01-10 | 2017-01-10 | One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106761375A true CN106761375A (en) | 2017-05-31 |
Family
ID=58947570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019527.2A Pending CN106761375A (en) | 2017-01-10 | 2017-01-10 | One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187378A (en) * | 2021-04-16 | 2021-07-30 | 中建二局第一建筑工程有限公司 | Standardized extension construction method for steel member with any length |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1783322A1 (en) * | 2005-11-04 | 2007-05-09 | Tubesca | Ladder with platform and foldable tubular safety cages, especially for extension ladders |
| CN101550803A (en) * | 2008-04-03 | 2009-10-07 | 上海宝冶建设有限公司 | Safe guarding cage vertical ladder |
| CN102434088A (en) * | 2011-08-26 | 2012-05-02 | 中建钢构有限公司 | Protective cage type steel crawling ladder and manufacturing method thereof |
| JP4968710B2 (en) * | 2006-03-23 | 2012-07-04 | 杉田エース株式会社 | Ladder safety guard |
| CN204081984U (en) * | 2014-08-30 | 2015-01-07 | 山东锦城钢结构有限责任公司 | The assembling cat ladder that a kind of Construction of Steel Structure is general |
| CN105110156A (en) * | 2015-09-11 | 2015-12-02 | 苏州富士电梯有限公司 | Intermediate support device of escalator truss |
-
2017
- 2017-01-10 CN CN201710019527.2A patent/CN106761375A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1783322A1 (en) * | 2005-11-04 | 2007-05-09 | Tubesca | Ladder with platform and foldable tubular safety cages, especially for extension ladders |
| JP4968710B2 (en) * | 2006-03-23 | 2012-07-04 | 杉田エース株式会社 | Ladder safety guard |
| CN101550803A (en) * | 2008-04-03 | 2009-10-07 | 上海宝冶建设有限公司 | Safe guarding cage vertical ladder |
| CN102434088A (en) * | 2011-08-26 | 2012-05-02 | 中建钢构有限公司 | Protective cage type steel crawling ladder and manufacturing method thereof |
| CN204081984U (en) * | 2014-08-30 | 2015-01-07 | 山东锦城钢结构有限责任公司 | The assembling cat ladder that a kind of Construction of Steel Structure is general |
| CN105110156A (en) * | 2015-09-11 | 2015-12-02 | 苏州富士电梯有限公司 | Intermediate support device of escalator truss |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187378A (en) * | 2021-04-16 | 2021-07-30 | 中建二局第一建筑工程有限公司 | Standardized extension construction method for steel member with any length |
| CN113187378B (en) * | 2021-04-16 | 2022-07-05 | 中建二局第一建筑工程有限公司 | Standardized extension construction method for steel member with any length |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207194268U (en) | Steel bar truss floor support plate with reusable bottom die | |
| CN210914947U (en) | Hoisting and turning-over system suitable for large prefabricated stand board | |
| CN105155748A (en) | Integral combining and hoisting in-position structure device for floor plates of reinforcing steel bar trusses | |
| CN106761375A (en) | One kind installs adjustable readily removable steel loading cat ladder and its construction method for long narrow steel column | |
| CN203795311U (en) | Multi-leg high pier and slip form construction device | |
| CN203284082U (en) | Boiler drum hoisting device | |
| CN111648611A (en) | Embedded part supporting device and embedded part installation method using embedded part supporting device | |
| CN209799386U (en) | Assembled shaped steel stores pylon that supplementary prefabricated large-scale framework of steel of job site used | |
| CN204112204U (en) | Bridge steel box girder hoisting structure | |
| CN205654082U (en) | Half tunnel formwork | |
| CN212249280U (en) | Embedded part supporting device | |
| CN210236845U (en) | Adjustable hanger for component steel reinforcement cage | |
| CN114108499A (en) | Suspended casting beam reference section hinged type triangular bracket combined hanging basket integrated device and construction method thereof | |
| CN112573344B (en) | Use method of hoisting and turning-over device for super-large concrete prefabricated stand plate | |
| CN107083821A (en) | Large span stiff beam exempts from screw-rod structure and its construction method | |
| CN103669219B (en) | Many limbs height pier is with sliding construction equipment | |
| CN208266906U (en) | A kind of spliced tower crane fixed supporting leg frame | |
| CN111851755A (en) | Embedded part suspension type installation supporting device and construction method thereof | |
| CN219792145U (en) | Hanging bracket device for hoisting prefabricated T-beam | |
| CN214031383U (en) | Expansion type hanging frame | |
| CN219175015U (en) | Detachable connection structure of temporary steel box girder support frame | |
| CN108756254A (en) | The installation method of cantilever frame platform and cantilever frame | |
| CN211648209U (en) | Improved secondary supporting construction platform | |
| CN109778900A (en) | Quick Release formwork erecting structure and its construction method for basic rim of a cup template | |
| CN210086064U (en) | T roof beam steel reinforcement cage installs fast, handling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |