CN109138397B - Overhanging type scaffold and building method thereof - Google Patents

Abstract

The invention relates to an overhanging type scaffold, which belongs to the technical field of building construction and comprises a wall connecting piece, a cross beam, a vertical rod and a connecting piece, wherein the wall connecting piece is embedded in a wall body, the connecting piece is used for connecting the wall connecting piece and the vertical rod together, the wall connecting piece comprises an embedded rod and a sleeve rod, the embedded rod is horizontally arranged, the sleeve rod is in threaded connection with the embedded rod, the embedded rod is embedded in the wall body, the length of the sleeve rod is smaller than or equal to that of the embedded rod, and a baffle plate, the cross section area of which is not smaller than that of the embedded rod, is arranged. After the construction, the vertical rod and the cross beam are disassembled, then the vertical rod and the loop bar are separated, the loop bar is rotated, the loop bar is retracted into the embedded rod, and then the outer wall is plugged, so that materials are not wasted.

Description

Overhanging type scaffold and building method thereof

Technical Field

The invention relates to the technical field of building construction, in particular to an overhanging type scaffold and a building method thereof.

Background

Scaffolding is a general term in the building industry, and is a variety of supports that are built on construction sites for workers to handle and address vertical and horizontal transport. On the building site, the scaffold is generally used for outer walls, interior decoration or places with higher floor height and cannot be directly constructed, and aims to allow constructors to work up and down or surround safety nets, high-altitude installation components and the like. In building construction, a scaffold is generally constructed, and in order to secure stability of the scaffold, a steel pipe of the scaffold and a concrete structure need to be fixed. The fastener type steel pipe outer scaffold is widely applied to construction engineering construction, and how to reliably connect the outer scaffold with a main body structure is the key for ensuring that the outer scaffold is not damaged by instability.

The Chinese patent with the publication number of CN207228607U discloses a building outer wall scaffold wall connecting piece, including built-in fitting, connecting piece and fastener, the built-in fitting is L shape, it is fixed with the end that exposes of connecting piece and L shape built-in fitting to use with the fastener, then make the one end shore of connecting piece on the concrete structure surface, it is fixed with the pole setting of scaffold to utilize the fastener with the connecting piece other end, after the construction, demolish the scaffold, cut off the part that L shape built-in fitting exposes, carry out on next step the construction of decorating can.

However, in the above technical scheme, the exposed part of the embedded part needs to be cut off after the construction is finished, which is not only troublesome but also wastes materials.

Disclosure of Invention

The invention aims to provide an overhanging scaffold which has the advantages of material saving, repeatability and practicability.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a cantilever type scaffold, includes pre-buried even wall spare, crossbeam, pole setting in the wall body and is used for linking together wall spare and pole setting connecting piece, even wall spare includes the embedded pole and the loop bar of threaded connection in the embedded pole that the level set up, the embedded pole is pre-buried in the wall body, the length of loop bar is less than or equal to the length of embedded pole, the tip that the loop bar kept away from embedded pole is provided with the baffle that the cross-sectional area is not less than the embedded pole cross-sectional area.

When the technical scheme is implemented, the loop bar is rotated to axially extend out of the wall body to a required distance, and then the end of the loop bar far away from the wall body is fixed with the upright stanchion by using the connecting piece, so that construction can be started; after construction, the vertical rods and the cross beams are disassembled, then the vertical rods and the loop bars are separated, the loop bars are rotated to retract the loop bars into the embedded rods, and then the outer wall is plugged; when the cantilever scaffold needs to be used again, the outer wall plugging part is opened to expose the baffle, and then the sleeve rod is screwed out, so that the wall connecting piece of the cantilever scaffold can be repeatedly used, the part of the sleeve rod, which is exposed out of the wall, does not need to be cut off, and materials are not wasted; the setting of baffle for when the loop bar shrink in pre-buried pole, the baffle will be close to pole setting end butt with pre-buried pole, in order to make things convenient for the loop bar to take out, and when the baffle can prevent the loop bar to be connected with the pole setting, loop bar and connecting piece separation.

Furthermore, a sliding groove is formed in the peripheral wall of the embedded rod along the axial direction, a sliding rod is rotatably arranged at the end, away from the baffle, of the sleeve rod, and the sliding rod is connected in the sliding groove in a sliding mode.

Implement above-mentioned technical scheme, when sliding rotatory loop bar along the loop bar axial, along with the removal of loop bar, the slide bar will slide in the spout, when the slide bar removes to contradict with the tip of spout, the loop bar will unable continuation remove to make the loop bar unable and pre-buried pole separation, can avoid like this when the construction, because of loop bar and pre-buried pole separation, lead to the scaffold frame unstability, thereby guaranteed the security in the work progress.

Further, still include the connecting block, all be provided with the inserted bar on two relative lateral walls that set up of connecting block, the inserted bar with the tip of pole setting is pegged graft, the tip of crossbeam all is provided with the threaded rod, correspond on the perisporium of connecting block the threaded rod all sets up threaded hole.

Implement above-mentioned technical scheme, peg graft together with the tip of pole setting on with the connecting block to link together pole setting and adjacent pole setting, then the threaded rod is rotatory to the threaded hole, so that the crossbeam is connected on the connecting block, and repeat above-mentioned step and can accomplish the scaffold frame equipment, and it is more convenient to assemble like this.

Furthermore, the both ends of crossbeam all are rotated and are connected with the piece that links up, the threaded rod is connected link up the piece and keep away from the crossbeam side, it is provided with the pole that links up to link up the piece and be close to the crossbeam end, it connects to link up the pole rotation in the tip of crossbeam.

Implement above-mentioned technical scheme, during the installation crossbeam for the threaded rod aligns with the screw hole, then rotates and links up the piece, so as to drive the threaded rod and screw the screw hole and screw, the crossbeam will be connected on the connecting block like this, and just so need rotate the linking piece at crossbeam both ends can, make the installation of being convenient for more.

Furthermore, the joint rod is T-shaped, a slot for inserting the joint rod is formed in the end part of the cross beam corresponding to the joint rod, and an annular groove for rotating the joint rod is communicated with the side, close to the joint block, of the slot.

Implement above-mentioned technical scheme, during the installation crossbeam, the pulling links up the piece for link up the piece along the axial displacement of crossbeam, when linking the pole and keeping away from the tip of linking the piece and move to the ring channel in, link up the piece and rotate the tip of connecting at the crossbeam, align threaded rod and screwed hole, then rotate and link up the piece, after making threaded rod and screw hole screw, along axial displacement crossbeam, make link up the pole and peg graft to the slot in, the position of linking the pole at this moment is fixed, make the crossbeam difficult to rotate, it is safer when using like this.

Further, the inserted bar is in threaded connection with the end of the vertical bar.

Implement above-mentioned technical scheme, inserted bar and pole setting threaded connection for pole setting and connecting block are connected more firm, are connected more firm between pole setting and the pole setting like this, make the scaffold more firm, safe when using.

Further, the connecting piece is a cross buckle.

Implement above-mentioned technical scheme, connect loop bar and pole setting through the cross knot, it is more firm.

The invention also aims to provide a construction method of the overhanging scaffold, which has the advantages of simple operation and convenient construction.

The second purpose of the invention is realized by the following technical scheme:

a construction method of an overhanging scaffold comprises the following steps:

s1: positioning the cable within the building structure;

s2: fixing a base for installing the upright stanchion on the ground;

s3: building a support structure;

s4: fixing the upright rod to the base, and installing the connecting block to the end part of the upright rod;

s5: connecting the threaded rod into the threaded hole in a threaded manner, screwing the threaded rod, and then moving the cross beam along the axial direction of the cross beam until the connecting rod is inserted into the slot;

s6: screwing out a loop bar from a pre-buried bar pre-buried in the wall body, and then fixedly connecting the end of the loop bar far away from the wall body with the upright bar;

s7: a shear support is arranged between the vertical rods;

s8, hanging a safety net on the outer side of the scaffold;

and S9, paving a scaffold board and a foot baffle board between the cross beams.

When the connecting block is connected to the vertical rod in step S4, the inserting rod on the connecting block is screwed to the end of the vertical rod, so as to connect the vertical rod to the adjacent vertical rod; in step S5, when the crossbeam is installed, the connection block is pulled to move along the axial direction of the crossbeam, when the end part of the connection rod, far away from the connection block, moves into the annular groove, the connection block is rotatably connected to the end part of the crossbeam, the threaded rod is aligned with the threaded hole, then the connection block is rotated to enable the threaded rod to be screwed with the threaded hole, the crossbeam is moved along the axial direction to enable the connection rod to be inserted into the slot, and at the moment, the position of the connection rod is fixed, so that the crossbeam is not easy to rotate; in the step S7, the shear braces are connected to the vertical rods, so that the strength of the scaffold is increased, and the scaffold is more stable; in the step S8, a safety net is hung to prevent constructors from falling off the scaffold, so that the probability of casualties caused by careless falling of the scaffold by the constructors is reduced; in step S9, the scaffold boards and the skirting boards are laid to facilitate the movement of the constructors on the scaffold.

In conclusion, the invention has the following beneficial effects:

firstly, the wall connecting piece of the overhanging scaffold can be repeatedly used and does not waste materials;

secondly, during the installation scaffold frame for inserted bar threaded connection is in the pole setting, then rotatory linking piece for threaded rod threaded connection is in the screwed hole, then along axial displacement crossbeam to linking in the pole inserts the slot, the crossbeam will be difficult for rotating this moment, repeat above-mentioned step, make stand and crossbeam link together each other can, the equipment scaffold frame of being more convenient for.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is an exploded view of a wall connecting member according to an embodiment of the present invention;

FIG. 3 is an exploded view of a portion of the structure of an embodiment of the present invention;

fig. 4 is a partial mechanism sectional view of an embodiment of the invention.

Reference numerals: 1. a wall connecting piece; 11. pre-burying a rod; 111. a chute; 12. a loop bar; 121. a slide bar; 122. a baffle plate; 2. connecting blocks; 21. inserting a rod; 22. a threaded hole; 3. erecting a rod; 4. a cross beam; 41. a joining block; 411. a threaded rod; 412. a connecting rod; 42. a slot; 43. an annular groove; 5. a connecting member.

Detailed Description

The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, the overhanging scaffold comprises a wall connecting piece 1, a cross beam 4, a vertical rod 3, a wall connecting block and a connecting piece 5, wherein the wall connecting piece 1, the cross beam 4, the vertical rod 3 and the connecting piece 5 are pre-embedded in a wall body, and the connecting piece 5 is a cross buckle.

As shown in fig. 2, the wall connecting member 1 includes an embedded rod 11 and a loop bar 12, the embedded rod 11 is horizontally arranged, the loop bar 12 is connected to the embedded rod 11 in a threaded manner, the length of the loop bar 12 is less than or equal to that of the embedded rod 11, the embedded rod 11 is embedded in the wall, a sliding groove 111 is formed in the peripheral wall of the embedded rod 11 along the axial direction, the loop bar 12 is far away from a baffle 122, and a sliding rod 121 connected to the sliding groove 111 in the sliding groove 111 is rotatably arranged at the end of the loop bar 12 far away from the embedded rod 11, so as to prevent the loop bar 12 from being separated from the embedded rod 11, wherein a baffle 122, the cross-sectional area of which is not less than that of the cross-sectional area of the embedded rod 11, is abutted against the end of the embedded rod 11, so as to facilitate taking out the loop bar 12, and when the baffle 122 can prevent the loop bar. When the wall-mounted building construction method is used, the loop bar 12 is rotated to enable the loop bar 12 to extend out of a wall body to a required distance along the axial direction, and then the end, far away from the wall body, of the loop bar 12 is fixed with the upright stanchion 3 through the cross buckle, so that construction can be started; after construction, the upright rods 3 and the cross beams 4 are disassembled, then the upright rods 3 and the loop bars 12 are separated, the loop bars 12 are rotated to enable the loop bars 12 to be contracted into the embedded rods 11, and then the outer wall is plugged; when the cantilever scaffold needs to be used again, the plugging part of the outer wall is opened, and the sleeve rod 12 is screwed out, so that the wall connecting piece 1 of the cantilever scaffold can be repeatedly used, and materials are not wasted.

As shown in fig. 3, two opposite side walls of the connecting block 2 are provided with inserting rods 21 which are in threaded connection with the end portions of the vertical rods 3, two ends of the cross beam 4 are rotatably connected with connecting blocks 41, the side of the connecting blocks 41 away from the cross beam 4 is provided with a threaded rod 411, threaded holes 22 are formed in the peripheral wall of the connecting block 2 corresponding to the threaded rod 411, as shown in fig. 4, a T-shaped connecting rod 412 is arranged at the end of the connecting block 41 close to the cross beam 4, a slot 42 for inserting the connecting rod 412 is formed in the end portion of the cross beam 4 corresponding to the connecting rod 412, and an annular groove 43 for rotating the connecting rod 412 is communicated with the side of the slot 42 close to the connecting block 41; when the scaffold is installed, the connecting block 2 or the vertical rod 3 is rotated, the inserting rods 21 are screwed together, the vertical rod 3 is connected with the adjacent vertical rod 3, then the connecting block 41 is pulled, the connecting block 41 moves along the axial direction of the cross beam 4, when the end part of the connecting rod 412 far away from the connecting block 41 moves into the annular groove 43, the connecting block 41 is in a rotating connection state with the cross beam 4, the threaded rod 411 is aligned with the threaded hole 22 at the moment, then the connecting block 41 is rotated, after the threaded rod 411 is screwed with the threaded hole 22, the cross beam 4 is moved along the axial direction, the connecting rod 412 is inserted into the slot 42, the position of the connecting rod 412 is fixed, the cross beam 4 is not easy to rotate, and therefore when the scaffold is used, the cross beam 4 is not easy to rotate and is safer and is convenient to install.

A construction method of an overhanging scaffold comprises the following steps:

s1: positioning the cable within the building structure;

s2: fixing a base for installing the upright rod 3 on the ground through a bolt;

s3: one end of the I-shaped steel is horizontally anchored in a building, and then the other end of the I-shaped beam is tied with the building by adopting a steel wire rope to form a supporting structure;

s4: fixing the upright rod 3 on the base, and installing the connecting block 2 to the end part of the upright rod 3;

s5: screwing the threaded rod 411 into the threaded hole 22, screwing and then moving the beam 4 axially along the beam 4 until the engagement rod 412 is inserted into the slot 42;

s6: screwing out a loop bar 12 from a pre-buried rod 11 pre-buried in the wall body, and then fixedly connecting the loop bar 12 far away from the wall body end with the upright rod 3;

s7: the vertical rods 3 and the vertical rods 3 are connected with shear braces through fasteners, wherein each shear brace spans 4-6 vertical rods 3, and the angle between each shear brace and each vertical rod 3 is 45-60 degrees;

s8, hanging a safety net on the outer side of the scaffold for preventing constructors from falling off the scaffold and reducing the probability of casualties caused by careless falling of the scaffold by the constructors;

s9, a scaffold board and a foot board are laid between the beams 4 to facilitate the movement of the constructors on the scaffold.

Claims (6)

1. A cantilever type scaffold comprises a wall connecting piece (1) embedded in a wall body, a cross beam (4), a vertical rod (3) and a connecting piece (5) used for connecting the wall connecting piece (1) and the vertical rod (3) together, and is characterized in that the wall connecting piece (1) comprises an embedded rod (11) arranged horizontally and a sleeve rod (12) in threaded connection with the embedded rod (11), the embedded rod (11) is embedded in the wall body, the length of the sleeve rod (12) is smaller than or equal to that of the embedded rod (11), and a baffle (122) with the cross sectional area not smaller than that of the embedded rod (11) is arranged at the end part, far away from the embedded rod (11), of the sleeve rod (12); the peripheral wall of the embedded rod (11) is provided with a sliding groove (111) along the axial direction, the end, away from the baffle (122), of the loop bar (12) is rotatably provided with a sliding rod (121), and the sliding rod (121) is connected in the sliding groove (111) in a sliding mode.

2. The overhanging scaffold according to claim 1, further comprising a connecting block (2), wherein two opposite side walls of the connecting block (2) are provided with an inserting rod (21), the inserting rod (21) is inserted into the end of the vertical rod (3), the end of the cross beam (4) is provided with a threaded rod (411), and the peripheral wall of the connecting block (2) is provided with a threaded hole (22) corresponding to the threaded rod (411).

3. A cantilever scaffold according to claim 2, wherein the beams (4) are rotatably connected at both ends with an engagement block (41), the threaded rod (411) is connected at the side of the engagement block (41) away from the beams (4), the engagement block (41) is provided with an engagement rod (412) near the beam (4), the engagement rod (412) is rotatably connected in the ends of the beams (4).

4. A cantilever scaffold according to claim 3, wherein the joint rod (412) is T-shaped, the end of the beam (4) corresponding to the joint rod (412) is provided with a slot (42) for inserting the joint rod (412), and the slot (42) is communicated with an annular groove (43) for rotating the joint rod (412) near the joint block (41).

5. An overhanging scaffold according to claim 4, characterized in that the inserted rod (21) is screwed to the end of the upright (3).

6. An overhanging scaffold according to claim 1, characterized in that the connectors (5) are cross-buckles.

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