CN212836617U

CN212836617U - Overhanging type scaffold

Info

Publication number: CN212836617U
Application number: CN202021472613.2U
Authority: CN
Inventors: 林义兵
Original assignee: Yibin Hangsheng Mechanical And Electrical Equipment Installation Co ltd
Current assignee: Yibin Hangsheng Mechanical And Electrical Equipment Installation Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-30
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses an overhanging scaffold, which comprises a diagonal draw bar, an overhanging beam, a first wall connecting piece and a second wall connecting piece; one end of the cantilever beam can be connected to a wall body through the first wall connecting piece, the other end of the cantilever beam is a free end, and the cantilever beam forms a cantilever structure; one end of the diagonal draw bar can be connected to a wall body through the second wall connecting piece, and the other end of the diagonal draw bar is connected with the free end of the cantilever beam; at least one of the first wall connecting piece and the second wall connecting piece is provided with an anti-skidding structure, and the anti-skidding structure is positioned towards one side of the wall body and can be attached to the wall body. Above-mentioned scheme can solve present formula of drawing to one side and encorbelment the outer scaffold frame and appear shearing the risk of destruction and influence the problem of construction security easily in the crab-bolt of the wall spare that exists in the use.

Description

Overhanging type scaffold

Technical Field

The utility model relates to a construction technical field especially relates to a formula of encorbelmenting scaffold.

Background

The cable-stayed cantilever external scaffold is a common mode for high-rise building construction, can exert the mechanical property of materials, and is economical and reasonable; it is including cantilever beam and diagonal draw bar, and the lateral surface of the cantilever beam and the one end of diagonal draw bar are fixed in the building wall through corresponding even wall spare respectively, and the other end of diagonal draw bar is connected with the other end of cantilever beam to the diagonal draw bar can provide ascending pulling force in the slant for the cantilever beam, and the cantilever beam then is as the bearing basis of the outer scaffold frame of encorbelmenting to one side formula.

The existing diagonal-pulling type cantilever external scaffold adopts a fixed anchor bolt as a wall connecting piece of a cantilever beam and a diagonal draw bar respectively, when a structural beam on a layer where the cantilever beam and the diagonal draw anchor point are located is poured, the fixed anchor bolt of the cantilever beam and the diagonal draw bar is embedded according to the distribution position of a scaffold vertical pipe, one end of the fixed anchor bolt is fixed in the structural beam, and the other end of the fixed anchor bolt is connected with the corresponding cantilever beam or diagonal draw bar, so that the connection of the cantilever beam and the diagonal draw bar with a wall body is realized.

However, the existing cable-stayed cantilever scaffold is completely fixed on a wall body by the anchor bolt of the wall connecting piece in the using process, so that the shearing acting force of the whole cable-stayed cantilever scaffold is borne at the anchor bolt of the wall connecting piece, and the anchor bolt is easy to have the risk of shearing and breaking so as to influence the safety of building construction.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a cantilever scaffold to solve present formula of drawing to one side and encorbelment the anchor bolt of the even wall spare that the scaffold exists in the use and appear the risk of shearing destruction easily and influence the problem of construction safety nature.

In order to solve the above problem, the utility model adopts the following technical scheme:

a cantilever scaffold comprises diagonal draw bars, cantilever beams, a first wall connecting piece and a second wall connecting piece; one end of the cantilever beam can be connected to a wall body through the first wall connecting piece, the other end of the cantilever beam is a free end, and the cantilever beam forms a cantilever structure; one end of the diagonal draw bar can be connected to a wall body through the second wall connecting piece, and the other end of the diagonal draw bar is connected with the free end of the cantilever beam; at least one of the first wall connecting piece and the second wall connecting piece is provided with an anti-skidding structure, and the anti-skidding structure is positioned towards one side of the wall body and can be attached to the wall body.

Optionally, the anti-slip structure is a plurality of prismatic protrusions distributed in an array.

Optionally, many the arris form is protruding to be followed the vertical direction of wall body is arranged from top to bottom and is distributed, and many the arris form is protruding to be followed respectively the transverse direction of wall body extends the setting.

Optionally, the cross section of the prismatic protrusion is triangular, and one side edge of the prismatic protrusion faces the wall.

Optionally, the first wall connecting piece and the second wall connecting piece respectively comprise a connecting seat, a sleeve, a bolt and a nut; the sleeve can be pre-embedded in a wall body to form a through hole structure penetrating through the wall body; one end of the bolt is connected with the connecting seat, and the other end of the bolt penetrates through the sleeve to be tightly matched with the nut; the anti-skidding structure is arranged on one side of the connecting seat, which faces the wall body.

Optionally, the anti-slip structure is located at least partially below the bolt.

Optionally, the cantilever beam comprises a support seat and an ear plate fixedly arranged on the support seat; the supporting seat is provided with a through hole matched with the lug plate, the lug plate penetrates through the through hole, the bottom end of the lug plate protrudes out of the lower surface of the supporting seat, and the top end of the lug plate protrudes out of the upper surface of the supporting seat.

Optionally, the number of the ear plates is two, and the two ear plates are located at opposite positions; two be provided with the joint portion between the otic placode, just the both ends of joint portion respectively with two the medial surface that the otic placode is relative is connected, joint portion with the upper surface laminating of supporting seat.

Optionally, the joining part is a plate-shaped structural member, and a lower plate surface of the joining part is attached to an upper surface of the support seat.

Optionally, the cantilever beam is a structural member made of i-steel, and a top side wing plate of the i-steel forms the supporting seat; the two ear plates are respectively positioned on two sides of the waist plate of the I-shaped steel.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses a cantilever scaffold, through setting up in the anti-skidding structure of at least one in first continuous wall spare and second continuous wall spare, and anti-skidding structure is located one side towards the wall body, make anti-skidding structure can laminate with the wall body after first connecting piece and second connecting piece are fixed in the wall body, thereby increased the frictional force between first continuous wall spare and/or second continuous wall spare and the wall body, and the frictional force direction that the wall body produced is vertical upwards along the wall body, make the shearing acting force part of cantilever scaffold disperse to act on the wall body through anti-skidding structure, and then lightened the shearing acting force that crab-bolt or bolt of first continuous wall spare and second continuous wall spare received; therefore, the risk of shearing damage of the first wall connecting piece and the second wall connecting piece can be reduced, the bearing capacity of the first wall connecting piece and the second wall connecting piece in the shearing direction and the firmness of connection of the first wall connecting piece and the second wall connecting piece with the wall are improved, and the safety of building construction is facilitated.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural view of an overhanging scaffold disclosed in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic view of a connecting seat of a second wall connecting member disclosed in the embodiment of the present invention;

fig. 4 is a schematic view of a connecting seat of a first connecting wall member disclosed in the embodiment of the present invention;

fig. 5 is a side view of an overhanging beam disclosed in an embodiment of the present invention;

fig. 6 is a front view of an overhanging beam disclosed in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an ear plate disclosed in an embodiment of the present invention;

description of reference numerals:

100-wall body,

200-cantilever beam, 210-support seat, 220-ear plate of cantilever beam, 230-joining part

300-a turnbuckle, 310-a first pull rod, 320-a second pull rod,

410-a second wall connecting piece, 401-a connecting seat, 402-an anti-slip structure, 403-a bolt, 404-a nut, 405-a sleeve, 406-an ear plate of the connecting seat and 420-a first wall connecting piece.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 7, an embodiment of the present invention discloses an overhanging scaffold, which includes diagonal draw bars, an overhanging beam 200, a first wall connecting member 420 and a second wall connecting member 410; one end of the cantilever beam 200 can be connected to the wall 100 through the first wall connecting member 420, the other end of the cantilever beam 200 departs from the wall 100 as a free end, and the cantilever beam 200 forms a cantilever structure; one end of the diagonal draw bar may be connected to the wall 100 through the second wall connecting member 410, and the other end of the diagonal draw bar is connected to the free end of the cantilever beam 200; thereby, the connection of the cantilever beam 200 and the diagonal draw bar to the wall 100 is achieved through the first wall connecting member 420 and the second wall connecting member 410.

At least one of the first wall connecting part 420 and the second wall connecting part 410 is provided with an anti-slip structure 402, and the anti-slip structure 402 is positioned on one side facing the wall 100; as shown in fig. 2, the friction between the first and/or second wall connecting members 420 and/or 410 and the wall 100 can be increased by the anti-slip structure 402, and the direction of the friction generated by the wall 100 is vertically upward along the wall 100, so that part of the shearing force of the cantilever scaffold is dispersed and applied to the wall 100 by the anti-slip structure 402, and the shearing force of the cantilever scaffold applied to the anchor bolts or bolts 403 of the first and second

wall connecting members

420 and 410 is reduced.

Consequently, compare in current formula of drawing to one side outer scaffold structure of encorbelmenting, the embodiment of the utility model discloses an encorbelment formula scaffold frame has reduced first wall piece 420 and second and has linked wall piece 410 and take place the risk of shearing destruction, has improved first wall piece 420 and second and has linked wall piece 410 at the ascending bearing capacity of shearing side and the firm nature of being connected with wall body 100, is favorable to the security of construction.

As one structure of the anti-slip structure 402, as shown in fig. 2, 3 and 4, the anti-slip structure 402 may be a plurality of prismatic protrusions distributed in an array; thus, compared with the design of the conical or cylindrical protrusions, the prismatic protrusions not only enable the anti-skid structure 402 to have higher structural strength, but also reduce the difficulty in processing and manufacturing the anti-skid structure 402.

Simultaneously, many arriss form are protruding can be followed the vertical direction of wall body 100 and from top to bottom the array distribution, and many arriss form are protruding to extend the setting along the horizontal direction of wall body 100 respectively to make the bellied extension of arris form set up the direction with even the shearing action direction of wall spare is perpendicular, guarantee anti-skidding structure 402's effect better.

As a specific design shape of the prismatic protrusion, the cross section of the prismatic protrusion may be designed to be triangular, and one side edge of the prismatic protrusion faces the wall 100, so as to reduce the contact area between the prismatic protrusion and the wall 100, make the connecting seat 401 grasp the wall 100 more easily, and further disperse the shearing force applied to the wall connecting member in the wall 100 better through the anti-slip structure 402.

Of course, the cross section of the prismatic projection can be in a trapezoid shape or a square shape; the anti-slip structure 402 may also be a plurality of conical, pyramidal, circular arc or columnar protrusions distributed in an array; the embodiment of the utility model provides a do not restrict the shape structure of prismatic protrusion and anti-skidding structure 402.

In the overhanging scaffold disclosed in the embodiment of the present invention, the first wall connecting piece 420 and the second wall connecting piece 410 can respectively comprise a connecting seat 401, a sleeve 405, a bolt 403 and a nut 404; the sleeve 405 may be pre-embedded in the wall 100 to form a through hole structure penetrating the wall 100; one end of the bolt 403 is connected with the connecting seat 401, and the other end of the bolt 403 passes through the sleeve 405 to be tightly matched with the nut 404; the anti-slip structure 402 is disposed on a side of the connection seat 401 facing the wall 100.

In the installation and fixation process, a screw of the bolt 403 can penetrate through a pipe cavity of a sleeve 405 pre-embedded in the wall 100 and is tightly matched with a nut 404 at the other end of the sleeve 405, so that the wall connecting component and the wall 100 are connected and fixed; during the dismantling process, the nut 404 is rotated and loosened to separate the bolt 403 from the sleeve 405, so that the wall connecting component is dismantled, and the nut 404 and bolt 403120 components can be recycled; therefore, compared with the wall connecting piece of the anchor bolt structure, the wall connecting piece can be conveniently detached from the first wall connecting piece 420 and the second wall connecting piece 410, damage to the structure of the wall body 100 in the detaching process of the wall connecting piece is avoided, the wall connecting piece can be recycled, and the building construction cost is reduced.

Meanwhile, the sleeve 405 not only enables a through hole structure matched with the bolt 403 to be easily formed in the pouring process of the building wall body 100, but also can protect the wall body 100 and ensure the structural strength of the through hole structure formed on the wall body 100; the bolt 403 may be a single-headed bolt or a stud bolt; the wall 100 may be a wall portion of a building or a structural beam portion of a building.

Wherein the anti-slip structure 402 is at least partially located under the bolt 403; in the actual use process, the inclined draw bar and the cantilever beam 200 respectively generate bending moment on the bolts 403 of the second wall connecting piece 410 and the first wall connecting piece 420, so that the part of the connecting seat 401 below the bolt 403 is more easily extruded with the wall 100 than the part above, and then the anti-skid structure 402 below the bolt 403 can effectively contact with the wall 100, thereby better ensuring the effect of the anti-skid structure 402.

In the overhanging scaffold disclosed in the embodiment of the present invention, as shown in fig. 2, the side surface of the connecting seat 401 of the first connecting wall 420, which is away from the wall 100, is provided with two opposite ear plates 406, and the opposite positions of the two ear plates 406 respectively start to have mounting holes; thereby make the annular portion of oblique pull rod upper end can arrange in between two otic placodes 406 to pass the mounting hole of two otic placodes 406 and the annular portion of oblique pull rod upper end, realize that oblique pull rod is connected with the rotation of first connecting wall spare 420 through articulated elements such as rotating bolt or round pin axle, so that oblique pull rod can carry out the adaptability adjustment and satisfy its and set up required inclination.

In order that the connection seats 401 of the first and second

wall connecting members

420 and 410 may be respectively engaged with the corresponding bolts 403, as shown in fig. 3 and 4, the connection seats 401 are provided with through holes adapted to the bolts 403, so that the connection fixation with the wall body 100 is achieved by passing the screw ends of the bolts 403 through the through holes; of course, the bolt 403 may be formed integrally with the connecting seat 401.

In the overhanging scaffold disclosed in the embodiment of the present invention, as shown in fig. 5 and 6, the overhanging beam 200 may include a supporting seat 210 and an ear plate 220 fixedly disposed on the supporting seat 210; the supporting base 210 is formed with a through hole adapted to the ear plate 220, the ear plate 220 passes through the through hole, the bottom end of the ear plate 220 protrudes out of the lower surface of the supporting base 210, and the top end of the ear plate 220 protrudes out of the upper surface of the supporting base 210.

In the process of welding and fixing the ear plate 220 and the cantilever beam 200, the ear plate 220 can pass through the through hole formed in the support seat 210, and the top end of the ear plate 220 protrudes out of the upper surface of the support seat 210, and the bottom end of the ear plate 220 protrudes out of the lower surface of the support seat 210, so that the part of the ear plate 220 located on the upper surface of the support seat 210 can be welded and fixed with the upper surface of the support seat 210 along the circumferential direction of the ear plate 220, and the part of the ear plate 220 located on the lower surface of the support seat 210 can be welded and fixed with the lower surface plate of the support seat 210 along the circumferential direction of; therefore, the effective welding area of the lug plate 220 and the cantilever beam 200 is increased, the welding structure strength of the lug plate 220 and the cantilever beam 200 is improved, and the cantilever scaffold is built more safely; meanwhile, the part of the ear plate 220 protruding out of the upper surface of the support base 210 can be used for connecting a diagonal draw bar, so that the convenience of connecting the cantilever beam 200 with the diagonal draw bar is ensured.

Specifically, as shown in fig. 6, the number of the ear plates 220 may be two, and the two ear plates 220 are located at opposite positions; mounting holes are respectively formed in the opposite positions of the two ear plates 220; thereby make the annular portion of diagonal draw bar lower extreme can arrange in between two otic placodes 220 to pass mounting hole and annular portion, realize that the rotation of diagonal draw bar and cantilever beam 200 is connected through articulated elements such as rotating bolt or round pin axle, so that the diagonal draw bar carries out the adaptability adjustment and satisfies its required inclination that sets up.

Meanwhile, as shown in fig. 6 and 7, a joining portion 230 may be further disposed between the two ear plates 220, two ends of the joining portion 230 are respectively connected to two inner side surfaces of the two ear plates 220, and the joining portion 230 is attached to the upper surface of the support base 210, so that the effective welding area between the ear plates 220 and the cantilever beam 200 can be further increased or decreased by the joining portion 230, and the welding strength can be improved.

Moreover, after the connecting portion 230 is attached to the upper surface of the supporting seat 210, the connecting portion 230 can also limit and position the ear plates 220 on the two sides thereof, so that the two ear plates 220 are relatively fixed, and the two independent ear plates 220 are prevented from being aligned respectively during welding; therefore, the welding treatment of the two ear plates 220 and the connecting part 230 is facilitated, the welding treatment difficulty is reduced, and the height deviation after the two ear plates 220 are welded and fixed can be avoided.

Specifically, as shown in fig. 7, the connection portion 230 may be a plate-shaped structural member, and a lower plate surface of the connection portion 230 is attached to an upper surface of the support base 210, so that the connection portion 230 has a larger contact area with the upper surface of the support base 210, which is beneficial to stable attachment of the connection portion 230 to the support base 210, and facilitates welding and fixing of the support base of the connection portion 230.

Of course, the connection portion 230 may also be a rod-shaped structural member or a block-shaped structural member with a square, circular or oval cross-sectional shape, and the embodiment of the present invention does not limit the shape of the connection portion 230. If the joining portion 230 is a rod-shaped structural member, the cross-sectional area of the rod-shaped structural member is preferably square, and compared with a rod-shaped structural member with a circular or oval cross-sectional shape, the side surface of the square rod-shaped structural member has a larger contact area with the supporting seat, and can be prevented from rotating on the supporting seat 210, so that stable attachment of the joining portion 230 and the supporting seat 210 is ensured, and welding fixation of the joining portion 230 and the supporting seat 210 is facilitated.

As shown in fig. 6, the cantilever beam 200 may be a structural member made of i-steel, thereby ensuring the bending strength of the cantilever beam 200; wherein, the top side wing plate of the I-steel forms a supporting seat 210, is used for the arrangement of the lug plate 220 and the bearing installation of the scaffold; moreover, the two ear plates 220 are respectively positioned at two sides of the waist plate of the i-steel, so that the acting force of the diagonal draw bar on the two ear plates 220 can be respectively shared by the parts of the side wing plates positioned at two sides of the waist-shaped plate, and the balance stress at two sides of the cantilever beam 200 is facilitated; the cantilever beam 200 may be an integral structure with the connection seat 401 of the first connecting wall member 420.

In the overhanging scaffold disclosed in the embodiment of the present invention, as shown in fig. 1, the diagonal draw bar may include a first draw bar 310, a basket nut 300, and a second draw bar 320; one end of the first pull rod 310 is provided with an annular part and is rotatably connected with the lug plate 220 of the connecting seat 401 of the first connecting wall member 420, and the other end of the first pull rod 310 is provided with an external thread and is matched with a threaded port at one end of the turn nut 300; one end of the second pull rod 320 is provided with an annular part which is rotatably connected with the lug plate 220 of the cantilever beam 200, and the other end of the second pull rod 320 is provided with an external thread which is matched with the threaded port at the other end of the turn nut 300; therefore, the first pull rod 310 and the second pull rod 320 can be controlled to move towards or away from each other along the axial direction of the turn nut 300 by rotating the turn nut 300, which is convenient for the telescopic adjustment of the diagonal draw bar.

Wherein the flower basket nut 300 may comprise a sleeve; the sleeve is of a hollow tubular structure with openings at two ends, and the inner side walls of the openings at two ends of the sleeve are respectively provided with internal threads in threaded fit with the first pull rod 310 and the second pull rod 320; compared with the existing flower basket nut structure formed by welding nuts at two ends and 2-3 round steels arranged in the circumferential direction, the flower basket nut 300 with the sleeve structure can isolate the external thread part of the first pull rod 310 and the second pull rod 320 extending into the sleeve from the construction environment, has a protective effect, avoids pollution and erosion of mud or rainwater and the like to the external thread part of the first pull rod 310 and the second pull rod 320, and ensures smooth telescopic adjustment and service life extension of the first pull rod 310 and the second pull rod 320.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A cantilever scaffold is characterized by comprising a diagonal draw bar, a cantilever beam, a first wall connecting piece and a second wall connecting piece; one end of the cantilever beam can be connected to a wall body through the first wall connecting piece, the other end of the cantilever beam is a free end, and the cantilever beam forms a cantilever structure; one end of the diagonal draw bar can be connected to a wall body through the second wall connecting piece, and the other end of the diagonal draw bar is connected with the free end of the cantilever beam; at least one of the first wall connecting piece and the second wall connecting piece is provided with an anti-skidding structure, and the anti-skidding structure is positioned towards one side of the wall body and can be attached to the wall body.

2. The overhanging scaffold according to claim 1, wherein the anti-slip structure is a plurality of prismatic projections distributed in an array.

3. The overhanging scaffold according to claim 2, wherein the plurality of ridge-shaped protrusions are arranged from top to bottom along the vertical direction of the wall, and the plurality of ridge-shaped protrusions are respectively arranged along the horizontal direction of the wall.

4. The overhanging scaffold according to claim 3, wherein the cross-sectional shape of the prismatic projection is triangular, and one side edge of the prismatic projection faces the wall.

5. The overhanging scaffold of any one of claims 1 to 4, wherein the first and second wall elements each comprise a coupling socket, a sleeve, a bolt and a nut, respectively; the sleeve can be pre-embedded in a wall body to form a through hole structure penetrating through the wall body; one end of the bolt is connected with the connecting seat, and the other end of the bolt penetrates through the sleeve to be tightly matched with the nut; the anti-skidding structure is arranged on one side of the connecting seat, which faces the wall body.

6. The cantilevered scaffold of claim 5, wherein the slip resistant structure is at least partially located below the bolt.

7. The overhanging scaffold of any one of claims 1 to 4, wherein the overhanging beam comprises a support base and an ear plate fixedly arranged on the support base; the supporting seat is provided with a through hole matched with the lug plate, the lug plate penetrates through the through hole, the bottom end of the lug plate protrudes out of the lower surface of the supporting seat, and the top end of the lug plate protrudes out of the upper surface of the supporting seat.

8. The overhanging scaffold according to claim 7, wherein the number of the ear plates is two, and the two ear plates are located at opposite positions; two be provided with the joint portion between the otic placode, just the both ends of joint portion respectively with two the medial surface that the otic placode is relative is connected, joint portion with the upper surface laminating of supporting seat.

9. The overhanging scaffold according to claim 8 wherein the engagement portion is a plate-like structural member and a lower plate surface of the engagement portion is engaged with an upper surface of the support base.

10. The overhanging scaffold according to claim 7, wherein the cantilever beam is a structural member made of i-steel, and a top flank of the i-steel forms the support seat.