CN220353800U - Cat ladder structure suitable for high table lattice column tower crane - Google Patents
Cat ladder structure suitable for high table lattice column tower crane Download PDFInfo
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- CN220353800U CN220353800U CN202320851747.2U CN202320851747U CN220353800U CN 220353800 U CN220353800 U CN 220353800U CN 202320851747 U CN202320851747 U CN 202320851747U CN 220353800 U CN220353800 U CN 220353800U
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- galvanized
- tower crane
- ladder
- ladder cage
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 99
- 239000010959 steel Substances 0.000 claims abstract description 99
- 241000282326 Felis catus Species 0.000 claims abstract description 12
- 230000009194 climbing Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000009193 crawling Effects 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a cat ladder structure suitable for a high-rise lattice column tower crane, which comprises a tower crane foundation and lattice columns supported below the tower crane foundation, wherein the cat ladder structure comprises a head section ladder cage and a ladder cage standard section; the top end and the front side of the tower crane foundation are provided with galvanized pre-buried plates, and two ends of the first section ladder cage are respectively connected with the galvanized pre-buried plates through angle steels; the first section ladder cage is connected with the standard section of the ladder cage along the vertical direction, and a safety rope is arranged on the inner side of the connected ladder cage; and two sides of the standard section of the ladder cage are respectively connected with lattice columns at two sides of the bottom end of the tower crane base through pull rods. The utility model has the advantages of safety, durability, synchronous arrangement along with engineering image, detachable parts, high turnover rate and the like.
Description
Technical Field
The utility model relates to the technical field of tower crane crawling ladders, in particular to a crawling ladder structure suitable for a high-rise lattice column tower crane.
Background
In the engineering construction process, the tower crane becomes a necessary hoisting device for vertical transportation and horizontal transportation, and along with the appearance of a high-rise tower crane form, the safe passing of tower crane operators is ensured, so that a ladder stand structure below a tower crane foundation is required to be arranged.
According to the form of present building engineering high-rise tower crane cat ladder, traditional is according to engineering image progress, sets up ordinary scaffold cat ladder platform, and this form is comparatively heavy, and is required high to the foundation treatment, and need set up many times, sets up with high costs.
Disclosure of Invention
The utility model aims to: aiming at the defects of the prior art, the utility model provides a cat ladder structure suitable for a high-rise lattice column tower crane, which has the advantages of safety, durability, synchronous arrangement along with engineering images, detachability of each part, high turnover rate and the like.
The technical scheme is as follows: the utility model relates to a cat ladder structure suitable for a high-rise lattice column tower crane, which comprises a tower crane foundation and lattice columns supported below the tower crane foundation, wherein the cat ladder structure comprises a head section ladder cage and a ladder cage standard section; the top end and the front side of the tower crane foundation are provided with galvanized pre-buried plates, and two ends of the first section ladder cage are respectively connected with the galvanized pre-buried plates through angle steels; the first section ladder cage is connected with the standard section of the ladder cage along the vertical direction, and a safety rope is arranged on the inner side of the connected ladder cage; and two sides of the standard section of the ladder cage are respectively connected with lattice columns at two sides of the bottom end of the tower crane base through pull rods.
By further perfecting the technical scheme, the first section ladder cage and the ladder cage standard section are connected along the vertical direction to form a multilayer transverse ladder cage unit for climbing and a vertical ladder cage unit for connecting the multilayer transverse ladder cage units; each layer of transverse ladder cage unit all includes transverse galvanized flat steel and galvanized round steel, vertical ladder cage unit includes vertical galvanized flat steel and vertical galvanized angle steel, transverse galvanized flat steel is crooked into semicircle type cambered surface evenly distributed along semicircle type cambered surface has a plurality of tie points, and perpendicular distributed's transverse galvanized flat steel both ends are connected through two vertical galvanized angle steel respectively, and perpendicular distributed's transverse galvanized flat steel's every tie point all passes through vertical galvanized flat steel connects, galvanized round steel both ends are connected junction between transverse galvanized flat steel both ends and every tip all with vertical galvanized angle steel is connected.
Further, the transverse galvanized flat steel is 50×4 galvanized flat steel, the galvanized round steel is 20 galvanized round steel, the vertical galvanized flat steel is 30×4 galvanized flat steel, and the vertical galvanized angle steel is 50×6 galvanized angle steel.
Further, the length of the galvanized pre-buried plate is the same as the interval between the two vertical galvanized angle steels.
Further, the specification of the galvanized pre-buried plate is 60 multiplied by 100 multiplied by 3.
Further, the galvanized pre-buried plate is installed at the top and the front side of the tower crane foundation through M8 expansion bolts.
Further, the galvanized pre-buried plate of tower crane foundation front side is upper and lower distribution, vertical galvanized angle steel corresponds the bolt hole has been seted up to the galvanized pre-buried plate, angle steel a side with the bolt hole fastening connection of vertical galvanized angle steel, another side with the tip welding of galvanized pre-buried plate links to each other.
Further, the pull rod comprises two screw rods, two nuts and three round steels, the two nuts are fixedly connected through the three round steels, an included angle between every two of the three round steels is 120 degrees, one ends of the two screw rods are respectively in threaded connection with the two nuts, and the other ends of the two screw rods are respectively connected with the vertical galvanized angle steel and the lattice column.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: the utility model provides a crawling ladder structure suitable for a tower crane of a high-rise lattice column, wherein a first-section ladder cage and a standard section of the ladder cage are composed of 30X 4 galvanized angle steel, 50X 6 galvanized angle steel, 20 galvanized round steel and 50X 4 galvanized flat steel, a tower crane foundation is provided with a galvanized pre-buried plate connected with the first-section ladder cage, the galvanized pre-buried plate is connected with the 50X 6 galvanized angle steel of the first-section ladder cage through a connecting angle steel, the lattice column is connected with the 50X 6 galvanized angle steel of the standard section of the ladder cage through a pull rod, all the constituent units can be detached, the turnover rate is high, and the crawling ladder is safe and durable by adopting galvanized devices. The installation process is synchronously set along with engineering images, so that the efficiency is high and the adaptability is high.
Drawings
FIG. 1 is a schematic side view of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
FIG. 3 is a top view of a ladder stand structure of the present utility model;
FIG. 4 is a front view of a ladder stand structure of the present utility model;
fig. 5 is a structural view of a tie rod according to the present utility model.
In the figure: 1. the first section of ladder cage, 2, ladder cage standard sections, 3, galvanized pre-buried plates, 4, connecting angle steels, 5, pull rods, 61, bolts one, 62, bolts two, 63, bolts three, 7, M8 expansion bolts, 8, safety ropes, 101, 50 multiplied by 6 galvanized angle steels, 102, 20 galvanized round steels, 103, 30 multiplied by 4 galvanized angle steels, 104, 50 multiplied by 4 galvanized flat steels, 501, 20 screw rods, 502, 14 round steels, 503 and nuts.
Detailed Description
The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.
Example 1: the cat ladder structure suitable for high-rise lattice column tower crane as shown in fig. 1 and 2 comprises a tower crane foundation and lattice columns supported below the tower crane foundation, wherein the cat ladder structure comprises a first section ladder cage 1 and a ladder cage standard section 2. The top end and the front side of the tower crane foundation are provided with galvanized pre-buried plates 3, and the two ends of the first section ladder cage 1 are respectively connected with the galvanized pre-buried plates 3 through connecting angle steels 4; the first section ladder cage 1 is connected with the ladder cage standard section 2 along the vertical direction, and the inner side of the connected ladder cage is provided with a safety rope 8; the two sides of the standard section 2 of the ladder cage are respectively connected with lattice columns at the two sides of the bottom end of the tower crane base through pull rods 5.
As shown in fig. 3 and 4, the first section ladder cage 1 and the ladder cage standard section 2 are respectively composed of 30×4 galvanized angle steel 103, 50×6 galvanized angle steel 101, 20 galvanized round steel 102 and 50×4 galvanized flat steel 104. The bent 50X 4 galvanized flat steel 104 and the 20 galvanized round steel 102 are welded to form a transverse ladder cage unit of the first section ladder cage 1 and the standard ladder cage section 2, two sides of the transverse ladder cage unit are vertically connected through 50X 6 galvanized angle steel 101, four connecting points are uniformly distributed on the bent 50X 4 galvanized flat steel 104 along a semicircular cambered surface, and the four connecting points are connected through 4 30X 4 galvanized flat steels 104 in the vertical direction. The first section ladder cage 1 is connected with the ladder cage standard section 2 through a second bolt 62 along the vertical direction, and a safety rope 8 is arranged on the inner side of the connected ladder cage, and the second bolt 62 is M8 in specification.
The top end, the front upper part and the front lower part of the tower crane foundation are provided with 60 multiplied by 100 multiplied by 3 galvanized pre-buried plates 3 through M8 expansion bolts 7, 50 multiplied by 6 galvanized angle steel 101 at two sides of a first-section ladder cage 1 are provided with M8 bolt holes, one side edge of a connecting angle steel 4 is welded on the galvanized pre-buried plates 3, the other side edge of the connecting angle steel 4 is connected with the bolt holes through first bolts 61, and the first bolts 61 are in specification of M8.
M16 bolt holes are formed in 50X 6 galvanized angle steel 101 on two sides of the standard section 2 of the ladder cage, and the 50X 6 galvanized angle steel 101 on two sides of the standard section 2 of the ladder cage is connected with lattice columns on two sides of the bottom of the tower crane foundation through pull rods 5.
The pull rod 5 shown in fig. 5 comprises two screws 501 with the diameter of 20mm, two nuts 503 and three round steel 502 with the diameter of 14mm, wherein the two nuts 503 are fixedly connected through the three round steel 502, an included angle between every two of the three round steel 502 is 120 degrees, one ends of the two screws 501 are respectively in threaded connection with the two nuts 503, the other ends of the two screws 501 are respectively connected with vertical galvanized angle steel and lattice columns through bolts three 63, and the specification of the bolts three 63 is M16.
Example 2: adopt the cat ladder structure of embodiment 1 suitable for high table lattice column tower crane, the installation process is as follows:
1. according to the design drawing, the first section ladder cage 1 and the standard ladder cage section 2 are manufactured, the bent 50X 4 galvanized flat steel 104 and the 20 galvanized round steel 102 are welded to form a transverse ladder cage unit of the first section ladder cage 1 and the standard ladder cage section 2, four connecting points are uniformly distributed along the semicircular cambered surface of the bent 50X 4 galvanized flat steel 104 and are connected in the vertical direction through 4 30X 4 galvanized flat steels 104, and M8 bolt holes are formed in 50X 6 galvanized angle steels 101 on two sides of the first section ladder cage 1.
2. The galvanized embedded plates 3 with the size of 60 multiplied by 100 multiplied by 3 are arranged at the top, the upper part and the lower part of the front side of the tower crane foundation through M8 expansion bolts 7;
3. one side of 30 multiplied by 4 galvanized connecting angle steel 4 is welded on a galvanized pre-buried plate 3, and the other side is fastened and connected with 50 multiplied by 6 galvanized angle steel 101 on two sides of the first ladder cage 1 through a first bolt 61;
4. the safety rope 8 is lowered in the ladder cage according to the requirement, so that climbing safety of people on and off is ensured;
5. along with the engineering progress, the standard section 2 of the ladder cage is fastened and connected with the first section of the ladder cage 1 through the second bolt 62.
6. And M16 bolt holes are formed in the lattice columns, M16 bolt holes are formed in 50 multiplied by 6 galvanized angle steel 101 on two sides of the standard ladder cage section 2, the standard ladder cage section 2 is fixedly connected with the lattice columns through the pull rods 5, and two ends of the pull rods 5 are respectively connected with the standard ladder cage section 2 and the lattice columns through three bolts 63.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a cat ladder structure suitable for high table lattice column tower crane, high table lattice column tower crane includes tower crane foundation and supports the lattice column below the tower crane foundation, cat ladder structure includes first festival ladder cage, ladder cage standard festival; the method is characterized in that: the top end and the front side of the tower crane foundation are provided with galvanized pre-buried plates, and two ends of the first section ladder cage are respectively connected with the galvanized pre-buried plates through angle steels; the first section ladder cage is connected with the standard section of the ladder cage along the vertical direction, and a safety rope is arranged on the inner side of the connected ladder cage; and two sides of the standard section of the ladder cage are respectively connected with lattice columns at two sides of the bottom end of the tower crane base through pull rods.
2. The ladder stand structure suitable for use in a tall lattice column tower crane according to claim 1, wherein: the first section ladder cage and the ladder cage standard section are connected in the vertical direction to form a multilayer transverse ladder cage unit for climbing and a vertical ladder cage unit for connecting the multilayer transverse ladder cage units; each layer of transverse ladder cage unit all includes transverse galvanized flat steel and galvanized round steel, vertical ladder cage unit includes vertical galvanized flat steel and vertical galvanized angle steel, transverse galvanized flat steel is crooked into semicircle type cambered surface evenly distributed along semicircle type cambered surface has a plurality of tie points, and perpendicular distributed's transverse galvanized flat steel both ends are connected through two vertical galvanized angle steel respectively, and perpendicular distributed's transverse galvanized flat steel's every tie point all passes through vertical galvanized flat steel connects, galvanized round steel both ends are connected junction between transverse galvanized flat steel both ends and every tip all with vertical galvanized angle steel is connected.
3. The ladder stand structure suitable for use in a tall lattice column tower crane according to claim 2, wherein: the transverse galvanized flat steel adopts 50 multiplied by 4 galvanized flat steel, the galvanized round steel adopts 20 galvanized round steel, the vertical galvanized flat steel adopts 30 multiplied by 4 galvanized flat steel, and the vertical galvanized angle steel adopts 50 multiplied by 6 galvanized angle steel.
4. A ladder stand structure suitable for use in a tall lattice column tower crane according to claim 3, wherein: the length of the galvanized pre-buried plate is the same as the interval between the two vertical galvanized angle steels.
5. The ladder stand structure suitable for use in a tall lattice column tower crane according to claim 4, wherein: the specification of the galvanized embedded plate is 60 multiplied by 100 multiplied by 3.
6. The ladder stand structure suitable for use in a tall lattice column tower crane according to claim 4, wherein: the galvanized pre-buried plate is arranged at the top and the front side of the tower crane foundation through an M8 expansion bolt.
7. The ladder structure suitable for use in a tall lattice column tower crane according to claim 6, wherein: the galvanized pre-buried plate of tower crane foundation front side is upper and lower distribution, vertical galvanized angle steel corresponds the bolt hole has been seted up to the galvanized pre-buried plate, angle steel a side with the bolt hole fastening connection of vertical galvanized angle steel, another side with the tip welding of galvanized pre-buried plate links to each other.
8. The ladder structure suitable for use in a tall lattice column tower crane according to claim 6, wherein: the pull rod comprises two screw rods, two nuts and three round steels, wherein the two nuts are fixedly connected through the three round steels, an included angle between every two of the three round steels is 120 degrees, one ends of the two screw rods are respectively in threaded connection with the two nuts, and the other ends of the two screw rods are respectively connected with the vertical galvanized angle steel and the lattice column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851747.2U CN220353800U (en) | 2023-04-17 | 2023-04-17 | Cat ladder structure suitable for high table lattice column tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851747.2U CN220353800U (en) | 2023-04-17 | 2023-04-17 | Cat ladder structure suitable for high table lattice column tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353800U true CN220353800U (en) | 2024-01-16 |
Family
ID=89477018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320851747.2U Active CN220353800U (en) | 2023-04-17 | 2023-04-17 | Cat ladder structure suitable for high table lattice column tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353800U (en) |
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2023
- 2023-04-17 CN CN202320851747.2U patent/CN220353800U/en active Active
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