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CN215564318U - Rigid pull rod large-cantilever scaffold platform structure - Google Patents

Rigid pull rod large-cantilever scaffold platform structure Download PDF

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Publication number
CN215564318U
CN215564318U CN202121484628.5U CN202121484628U CN215564318U CN 215564318 U CN215564318 U CN 215564318U CN 202121484628 U CN202121484628 U CN 202121484628U CN 215564318 U CN215564318 U CN 215564318U
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China
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cantilever
pull
platform
pull ring
section
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CN202121484628.5U
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Inventor
方源
卢娜
黎超
王桂芳
覃万平
叶海生
李志伟
杜同健
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Guangxi Construction Engineering Group Holding Co Ltd
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Guangxi Construction Engineering Group Holding Co Ltd
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Abstract

The utility model discloses a rigid pull rod large-cantilever scaffold platform structure, which relates to the technical field of building engineering and comprises a cantilever assembly, an unloading assembly, a first pull ring, a second pull ring and a cantilever platform, wherein the first pull ring is embedded in an upper floor structure, the cantilever assembly comprises more than three cantilever beams, the cantilever beams are parallel to each other, the cantilever beams are vertically detachably and fixedly connected with the cantilever beams, the unloading assembly comprises pull rods corresponding to the cantilever beams, the pull rods and the corresponding cantilever beams are on the same vertical plane, the upper ends of the pull rods are detachably connected with the first pull rings, the lower ends of the pull rods are detachably connected with the second pull ring, the pull rods are made of steel materials, and the cantilever platform is arranged in the outer end area of an outer cantilever section. The device provided by the utility model improves the safety and the economy of the large-span overhanging scaffold platform.

Description

Rigid pull rod large-cantilever scaffold platform structure
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a rigid pull rod large-cantilever scaffold platform structure.
Background
In the construction field, a beam with one end buried or cast on a support and the other end extending out of the support is called a cantilever beam. When setting up the scaffold, often can meet the condition that begins to erect the scaffold from the half-height of building outer wall, at this moment, need set up the cantilever beam on the building, the end of encorbelmenting of cantilever beam stretches out the building outside, and the scaffold just upwards erects from the cantilever beam as the basis gradually, and the cantilever beam is as the basis, will bear very big bending stress.
The existing cantilever beam of the outer frame of the building scaffold generally adopts a construction method that one end of the cantilever beam extends into an indoor terminal for anchoring, then an inclined steel wire rope is arranged for soft pulling, a lower inclined strut is required to be adopted during large span, I-shaped steel in a local area cannot be dismantled, a cutting method is required, the dismantling difficulty is increased, waste type steel materials are wasted, and fire operation hidden troubles are caused. Traditional cantilever beam stretches into indoor fixed length and should not be less than 1.25 times of outdoor section of encorbelmenting, works as the construction position for encorbelmenting the structure, for example the balcony, and outer cantilever beam can not directly fall on the structure of encorbelmenting, consequently the I-steel strong point of encorbelmenting here need set up in non-balcony board department, has increased the overhanging length of cantilever beam, and the cantilever beam will bear bigger bending stress, influences the cantilever beam security.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a rigid pull rod large-cantilever scaffold platform structure, which improves the safety and the economical efficiency of a large-span cantilever scaffold platform.
In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:
a rigid pull rod large-cantilever scaffold platform structure is arranged between an upper floor structure and a lower floor structure and comprises a cantilever assembly, an unloading assembly, a first pull ring, a second pull ring and a cantilever platform, wherein the first pull ring is pre-embedded in the upper floor structure, the pre-embedded angle of the first pull ring is parallel to the direction of the unloading assembly, the first pull ring is fixedly connected with the cantilever assembly,
the cantilever assembly comprises more than three cantilever beams which are parallel to each other and a cross beam, and the cross beam is vertically detachably and fixedly connected with each cantilever beam;
the unloading assembly comprises a pull rod corresponding to the cantilever beam, the pull rod and the corresponding cantilever beam are on the same vertical plane, the upper end of the pull rod is detachably connected with the first pull ring, the lower end of the pull rod is detachably connected with the second pull ring (5), and the pull rod is made of steel materials;
the cantilever beam comprises a connecting section and an overhanging section, the connecting section is a section connected with a lower floor structure, the connecting section is detachably and fixedly connected on the lower floor structure through a fixing piece, the section of the cantilever beam except the connecting section is an overhanging section, the length of the overhanging section is larger than that of the connecting section, the second pull ring is arranged on the overhanging section, the distances between the second pull rings of adjacent overhanging sections and the outer end of the cantilever beam are staggered, and the cantilever beam is integrally arranged in a bilateral symmetry mode relative to the center line of the cantilever beam of the cantilever assembly in the length direction;
the cantilever platform is arranged in the outer end part area of the cantilever section.
Further, the cantilever beam is I-shaped steel.
Further, the fixing piece is a U-shaped bolt.
Further, the pull rod is provided with a turn buckle.
Further, the pull rod is connected with the first pull ring and the second pull ring through bolts.
Furthermore, the cantilever beam is provided with a positioning rod in the cantilever platform section.
Further, the cantilever platform is paved with square timbers or templates.
Compared with the prior art, the utility model has the following beneficial effects:
1. the rigid pull rod large-cantilever scaffold platform structure provided by the utility model combines the advantages of the rigid pull rod and the cantilever beam, the bending resistance of the large-cantilever scaffold platform is enhanced, the safety of the cantilever scaffold platform is ensured, the first pull ring is embedded in the upper floor structure, the large pull force can be borne, and the safety of the cantilever scaffold platform is further improved.
2. Crossbeam and each perpendicular fixed connection of cantilever beam, the second pull ring on the adjacent cantilever beam section of encorbelmenting leaves the distance of cantilever beam outer end staggers each other, and wholly relative the central line bilateral symmetry of the cantilever beam length direction of the subassembly of encorbelmenting arranges, has alleviateed the local bending stress of cantilever beam and to the influence of whole subassembly structure of encorbelmenting, has improved the integrality of the holistic atress of the whole subassembly of encorbelmenting, has further improved the security of the scaffold platform of encorbelmenting.
3. Cantilever beam and lower floor slab structure and crossbeam can be dismantled and be connected, and the pull rod also can be dismantled with first pull ring and second pull ring and be connected, avoids the hidden danger that the operation of starting a fire brought, and loading and unloading are convenient moreover, but reuse has improved platform structure's economic nature.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a tension rod and a cantilever beam according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2M;
fig. 4 is a cross-sectional view taken along the direction of fig. 2N.
In the figure, 1-cantilever beam, 11-connecting section, 12-cantilever section, 2-beam, 3-fixing piece, 4-first pull ring, 5-second pull ring, 6-cantilever platform, 7-pull rod, 71-turn buckle and 8-positioning rod.
Detailed Description
In order to explain the technical content, the achieved objects and the effects of the present invention in detail, the following description is made in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1 and 2, the construction environment of the embodiment of the present invention is as follows: scaffold platform structure is set up in the balcony outside, and the balcony is great and for the structure of encorbelmenting, and outstanding outer wall structure size is great, and during the structure construction, the outer cantilever frame can not directly fall on the structure balcony of encorbelmenting. In view of this, the embodiment of the present invention provides a rigid pull rod large cantilever scaffold platform structure, disposed at a non-balcony slab between an upper-floor slab structure and a lower-floor slab structure, including an overhanging component, an unloading component, a first pull ring 4, a second pull ring 5 and an overhanging platform 6, where the first pull ring 4 is pre-embedded in the upper-floor slab structure, capable of bearing a large pulling force, improving the safety of the overhanging scaffold platform, and for better stress, the angle of the first pull ring 4 is parallel to the direction of the unloading component, as shown in fig. 3, where,
the cantilever assembly comprises three cantilever beams 1 and three cross beams 2, the cantilever beams 1 are parallel to each other, and the cross beams 2 are vertically detachably and fixedly connected with the cantilever beams 1; the unloading assembly comprises pull rods 7 respectively corresponding to the three cantilever beams 1, the pull rods 7 and the corresponding cantilever beams 1 are on the same vertical plane, the upper ends of the pull rods 7 are detachably connected with the first pull ring 4, and the lower ends of the pull rods 7 are detachably connected with the second pull ring 5. The pull rod 7 is made of solid round steel.
Cantilever beam 1 includes linkage segment 11 and the section 12 of encorbelmenting outward, linkage segment 11 is the district section of being connected with lower floor slab structure, linkage segment 11 can dismantle fixed connection in the non-balcony department of lower floor slab structure through mounting 3, cantilever beam 1 except the section 12 of encorbelmenting outward is in the outer district section of linkage segment 11, the section 12 of encorbelmenting outward strides the balcony and stretches out from the balcony, the section 12 length of encorbelmenting outward is greater than 11 length of linkage segment, second pull ring 5 sets up on the section 12 of encorbelmenting outward, the advantage of rigid pull rod and cantilever beam has been combined to this kind of structure, has strengthened the bending resistance of the scaffold platform of encorbelmenting greatly, has guaranteed the security of scaffold platform of encorbelmenting. The distances between the second pull rings 5 of the adjacent cantilever sections 12 and the outer end of the cantilever beam 1 are staggered, and the whole cantilever beam 1 is arranged in a left-right symmetrical mode relative to the central line of the cantilever beam 1 of the cantilever assembly in the length direction. Therefore, the influence of the local bending stress of the cantilever beam on the whole cantilever assembly structure is reduced, the integrity of the whole stress of the whole cantilever assembly is improved, and the safety of the cantilever scaffold platform is further improved.
The overhanging platform 6 is arranged at the part of the outer end part of the overhanging section 12, which extends out of the balcony.
This embodiment, cantilever beam 1 is the I-steel, mounting 3 is for following the four U type bolts that 1 length direction of cantilever beam set up, during the construction, adopts the tower crane to hoist, and earlier handling to the mounting platform aspect is aimed at U type bolt back translation and is transferred and target in place, puts into the backing plate in the position of the corresponding fulcrum of I-steel, then puts into the angle steel depression bar and screws up four U type bolts, and at last with wooden wedge stopper between U type bolt and the I-steel, guarantee cantilever beam 1 and lower floor slab structure are firmly connected, as shown in fig. 4.
Preferably, the pull rod 7 is provided with a turn buckle 71, and the pull rod 7 can be tensioned by adjusting the turn buckle 71, so that the cantilever beam 1 is separated from the cantilever sun deck. After all the pull rods 7 are tensioned, the cantilever beams 1 are uniformly adjusted on the same horizontal plane, and then the three cross beams are respectively connected with the three cantilever beams 1.
Preferably, the pull rod 7 is respectively connected with the first pull ring 4 and the second pull ring 5 through bolts, so that the assembly and disassembly are convenient.
As a preferred scheme, the cantilever beam 1 is provided with a positioning rod 8 at a section of the cantilever platform 6, and the positioning rod is used for positioning, supporting and connecting a scaffold upright rod on the cantilever platform 6.
As the preferred scheme, the overhanging platform 6 is paved with square timbers or templates to prevent scaffold objects on the overhanging platform 6 from falling.
Although the utility model has been described in detail above with reference to specific embodiments, it will be apparent to one skilled in the art that modifications or improvements may be made based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims (7)

1. A rigid pull rod large-cantilever scaffold platform structure is arranged between an upper floor structure and a lower floor structure and is characterized by comprising a cantilever assembly, an unloading assembly, a first pull ring (4), a second pull ring (5) and a cantilever platform (6), wherein the first pull ring (4) is pre-embedded in the upper floor structure, the pre-embedded angle of the first pull ring (4) is parallel to the direction of the unloading assembly, the first pull ring (4) is fixedly connected with the cantilever platform, the unloading assembly is fixedly connected with the cantilever platform, the first pull ring (4) is fixedly connected with the cantilever platform,
the cantilever assembly comprises more than three cantilever beams (1), the cantilever beams (1) are parallel to each other, the cantilever assembly also comprises a cross beam (2), and the cross beam (2) is vertically detachably and fixedly connected with each cantilever beam (1);
the unloading assembly comprises a pull rod (7) corresponding to the cantilever beam (1), the pull rod (7) and the corresponding cantilever beam (1) are in the same vertical plane, the upper end of the pull rod (7) is detachably connected with the first pull ring (4), the lower end of the pull rod (7) is detachably connected with the second pull ring (5), and the pull rod (7) is made of steel materials;
the cantilever beam (1) comprises a connecting section (11) and an overhanging section (12), the connecting section (11) is a section connected with a lower floor structure, the connecting section (11) is detachably and fixedly connected on the lower floor structure through a fixing piece (3), the section of the cantilever beam (1) except the connecting section (11) is the overhanging section (12), the length of the overhanging section (12) is greater than that of the connecting section (11), the second pull ring (5) is arranged on the overhanging section (12), the distances between the second pull rings (5) of adjacent overhanging sections (12) and the outer end of the cantilever beam (1) are staggered, and the whole cantilever beam (1) is arranged in a left-right symmetrical mode relative to the center line of the length direction of the cantilever beam of the overhanging assembly;
the cantilever platform (6) is arranged in the outer end region of the cantilever section (12).
2. The rigid tension rod large cantilever scaffold platform structure according to claim 1, wherein the cantilever beam (1) is i-steel.
3. The rigid tension rod large cantilever scaffold platform structure according to claim 1, wherein the fixing member (3) is a U-bolt.
4. A rigid tension rod large cantilever scaffold platform structure according to claim 1, characterized in that the tension rod (7) is provided with turn-buckle bolts (71).
5. A rigid tension rod large cantilever scaffold platform structure according to claim 1, wherein the tension rod (7) is connected with the first and second tension rings (4, 5) respectively by bolts.
6. A rigid tension rod large cantilever scaffold platform structure according to claim 1, characterized in that the cantilever beam (1) is provided with positioning rods (8) in the cantilever platform (6) section.
7. The rigid tie rod large cantilever scaffold platform structure according to claim 1, wherein the cantilever platform (6) is laid with square timber or formwork.
CN202121484628.5U 2021-07-01 2021-07-01 Rigid pull rod large-cantilever scaffold platform structure Active CN215564318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121484628.5U CN215564318U (en) 2021-07-01 2021-07-01 Rigid pull rod large-cantilever scaffold platform structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121484628.5U CN215564318U (en) 2021-07-01 2021-07-01 Rigid pull rod large-cantilever scaffold platform structure

Publications (1)

Publication Number Publication Date
CN215564318U true CN215564318U (en) 2022-01-18

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CN202121484628.5U Active CN215564318U (en) 2021-07-01 2021-07-01 Rigid pull rod large-cantilever scaffold platform structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115075530A (en) * 2022-07-01 2022-09-20 中亿丰建设集团股份有限公司 Cantilever structure and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115075530A (en) * 2022-07-01 2022-09-20 中亿丰建设集团股份有限公司 Cantilever structure and construction method thereof
CN115075530B (en) * 2022-07-01 2024-03-22 中亿丰建设集团股份有限公司 Cantilever structure and construction method thereof

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