CN103485524A - Bracket type overhanging scaffold and construction method thereof at erection time - Google Patents
Bracket type overhanging scaffold and construction method thereof at erection time Download PDFInfo
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- CN103485524A CN103485524A CN201310471616.2A CN201310471616A CN103485524A CN 103485524 A CN103485524 A CN 103485524A CN 201310471616 A CN201310471616 A CN 201310471616A CN 103485524 A CN103485524 A CN 103485524A
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Abstract
The invention discloses a bracket type overhanging scaffold which comprises a scaffold body and a plurality of overhanging supporting seats. Each overhanging supporting seat comprises a connecting plate, a threaded connecting piece, and an outer limiting nut arranged on the threaded connecting piece in a sleeved mode, wherein one end of the threaded connecting piece is connected with an upper steel beam on the end face of the connecting plate, the other end of the threaded connecting piece penetrates through the connecting plate and is embedded into a shear wall, and the connecting plate is located between the shear wall and the outer limiting nut. The scaffold body comprises transverse horizontal rods, longitudinal horizontal rods and a plurality of rows of vertical rod sets. Each row of vertical rod sets comprises vertical rods the same as the overhanging supporting seats in number. The vertical rods in each row of vertical rod sets are arranged on steel beams in a one-to-one correspondence mode. A plurality of vertical rods arranged on the same steel beam are connected with one another through a plurality of transverse horizontal rods. A plurality of vertical rods in each row of vertical rod set are connected with one another through a plurality of longitudinal horizontal rods. The invention further discloses a construction method for the bracket type overhanging scaffold. The bracket type overhanging scaffold is simple in structure, convenient to install and detach, and has little influence on the strength of a building structure at utilization time.
Description
Technical field
The present invention relates to the realm of building construction, specifically corbel type builder's jack and the construction while setting up thereof.
Background technology
Along with the develop rapidly of urban construction, being on the increase of high level and super high rise building, construction environment heals and becomes complicated, and in order to meet the needs of structure construction and the construction of outer decoration, people generally adopt cantilever steel girder to support scaffold.The anchor point great majority of existing cantilever steel girder are located on Bars In Poured Concrete Slab, and under the Action of Gravity Field of scaffold, each anchor point probably has the power of 10KN upwards to draw Bars In Poured Concrete Slab, and such point load can affect the steadiness of Bars In Poured Concrete Slab structure.Existing cantilever steel girder needs to stay the intensity that can subdue shear wall 10% on the ， horizontal section, hole of 200mm*250mm on shear wall while passing shear wall.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can avoid box out on shear wall, and then can reduce the corbel type builder's jack on the Building Structure Strength impact, construction when the present invention also provides above-mentioned corbel type overhanging scaffold erection.
Purpose of the present invention is achieved through the following technical solutions:
The corbel type builder's jack, comprise that scaffold reaches a plurality of supporting bases of encorbelmenting at same level height spaced set, the described supporting base of encorbelmenting comprises junction plate, one end is connected on the junction plate end face and the girder steel vertical with junction plate, one end is through junction plate and embed the threaded connector in shear wall, and be set in the outer stop nut on threaded connector, described junction plate is between shear wall and outer stop nut, described scaffold comprises the transverse horizontal bar, vertical equity bar and many row's vertical rod groups, many row's vertical rod groups are parallel to each other and equidistantly distribute in the horizontal, every row's vertical rod group comprises and the identical vertical rod of supporting base quantity of encorbelmenting, vertical rod in every row's vertical rod group is arranged on the girder steel of the supporting base of encorbelmenting one to one with the supporting base position of encorbelmenting, many vertical rods that are arranged on the girder steel of the same supporting base of encorbelmenting connect by many transverse horizontal bars, many transverse horizontal bars that are connected in the top vertical rod of same girder steel are spaced set from the bottom to top, in every row's vertical rod group, many vertical rods connect by the vertical equity bar, the quantity of the quantity of vertical equity bar and transverse horizontal bar is suitable, many vertical equity bars that are connected in same vertical rod group are spaced set from the bottom to top.Wherein, the below transverse horizontal bar that is arranged on that many vertical rods on the girder steel of the same supporting base of encorbelmenting connect is as the bar of laterally sweeping the floor, the below vertical equity bar that every row's vertical rod group connects is as the bar of vertically sweeping the floor, vertically sweep the floor the bar connecting portion lower than the bar connecting portion of laterally sweeping the floor in same vertical rod, the present invention when concrete application by the bar of laterally sweeping the floor, scaffold floor being set.The supporting base of encorbelmenting when the present invention applies is not limited to and is fixed on shear wall, also can be fixed on beam and column.Junction plate of the present invention is close to the building structure surface, and threaded connector is also fastening by outer stop nut through junction plate, and then completes fixing the supporting base of encorbelmenting.When the present invention applies, utilize the supporting base of encorbelmenting as main stressed member and the basis of scaffold, set up scaffold on girder steel, the present invention passes to building structure by all or part of load of scaffold by the supporting base of encorbelmenting.
The described supporting base of encorbelmenting also comprises conical sleeve, flat shim and elastomeric pad, described conical sleeve is provided with the internal thread with threaded connector external screw thread coupling, conical sleeve is positioned at shear wall and the mode of mating by screw thread is connected on threaded connector, described flat shim, elastomeric pad all are set on threaded connector and between junction plate and outer stop nut, flat shim contacts with junction plate, and the elastomeric pad both ends of the surface contact with outer stop nut with flat shim respectively.The present invention separates outer stop nut and junction plate by flat shim, with the irregular outer stop nut of end face, compare, flat shim is set and separates outer stop nut and junction plate, can reduce the wearing and tearing to junction plate, can avoid the rigid friction between flat shim and outer stop nut and elastomeric pad is set, make junction plate fixing more firm; The present invention, by setting up conical sleeve, makes threaded connector more even to the distribution of forces of building structure.
The end face of the end that described conical sleeve diameter is large is concordant with the shear wall wall face, and this end face indent formation has annular groove.So, the present invention, after being used to complete, can taking out conical sleeve by the part between holding ring connected in star and conical sleeve, and then conical sleeve is reused.
Convenient in order to draw materials, and be convenient to the supporting base of encorbelmenting is dismantled, described threaded connector comprises two bolts, and the other end that two bolts form head end relatively all embeds in conical sleeve and is connected with conical sleeve.
Further, described threaded connector, conical sleeve, flat shim, elastomeric pad and outer stop nut form detent mechanism, the quantity of described detent mechanism is four groups, and in four groups of detent mechanisms, threaded connector is respectively the place, four diagonal angles of a rectangular area through the position of junction plate.The present invention is by four jiaos of location, and the supporting base that makes to encorbelment is fixed in building structure more firm.
Girder steel upper surface in the described supporting base of encorbelmenting is provided with the reference column suitable with vertical rod group quantity, and described vertical rod is steel pipe, and the vertical rod lower end is set on reference column.The present invention positions vertical rod by reference column, vertical rod is arranged on girder steel and is difficult for displacement, can further strengthen structure of the present invention.
In order further to strengthen the weight capacity of girder steel in the present invention, every supporting base of encorbelmenting is connected in one of shear wall and rectifies on the shear wall wall face of top and be provided with draw ring, be connected with anti-rope on the girder steel of this supporting base of encorbelmenting, the other end that described anti-rope connects the girder steel end relatively is connected on draw ring.
In order further to strengthen the structure of scaffold, row's vertical rod group arranged outside of arranging in the vertical rod group apart from shear wall wall face distance farthest has the many groups bridging is connected with vertical rod in this vertical rod group, 5～7 vertical rods of every group of bridging connection more; Described bridging comprises the brace of two intersections, and the angle of brace and horizontal plane is 45 °～60 °.
Construction during the corbel type overhanging scaffold erection comprises the following steps:
Step 1, girder steel is fixed on junction plate;
Step 2, water smash the girder steel place need be set concrete before pre-buried threaded connector and conical sleeve, after the concrete at this place reaches certain intensity, being threaded connection part is fixed on junction plate and girder steel on shear wall through junction plate and the outer stop nut that is set on threaded connector, wherein, the girder steel that is connected to shear wall same level height when specifically arranging is many, and many girder steels equidistantly distribute in the vertical;
Step 3, on the girder steel of supporting base of encorbelmenting, vertical rod is set, the quantity of every girder steel upper pright stanchion is many, and on all girder steels, the position of contact vertical rod is whole by rectangular distribution, wherein, the height of every vertical rod is 24m, and the spacing of the vertical rod on adjacent two girder steels is 1.5m;
Step 5, in distance shear wall wall face distance row's vertical rod group arranged outside bridging farthest;
On step 6, the shear wall directly over each encorbelments supporting base and shear wall connecting portion, draw ring is set, adopts anti-rope two ends to connect respectively draw ring and girder steel.
In order to carry out security protection, the construction during corbel type overhanging scaffold erection, further comprising the steps of: the bar by the waist that row's vertical rod group arranged outside height farthest is 0.9m in distance shear wall wall face distance.
Compared with prior art, the present invention has following beneficial effect:
(1) supporting base of encorbelmenting of the present invention comprises junction plate, girder steel, threaded connector and outer stop nut, the supporting base of encorbelmenting of the present invention is simple in structure, when there is no tower crane and similar vertical hoisting equipment, can from stair and elevator, down not transport very easily yet, the supporting base of encorbelmenting is fixed in building structure by threaded connector, a workman can complete separately installation work, assembling and disassembling is convenient, fast, the cantilever steel girder of prior art is installed needs 2-3 people, and the present invention can save installation cost than prior art.
(2) supporting base of encorbelmenting of the present invention when mounted need to be in building structure reserved opening, so, can not produce the expense of filling-up hole, save cost, can not subdue agent structure yet.
(3) when the present invention applies, work plane is positioned at second floor and above any floor of building, therefore is not subject to the restriction of construction plant and surrounding enviroment, can save construction plant, and accelerating construction progress, be conducive to the reduction of erection time.
The accompanying drawing explanation
Fig. 1 is corbel type builder's jack side-looking structural representation of the present invention;
Fig. 2 is corbel type builder's jack master TV structure schematic diagram of the present invention;
The structure for amplifying schematic diagram that Fig. 3 is A place in Fig. 2.
In accompanying drawing, the corresponding name of Reference numeral is called: 101, junction plate, 102, girder steel, 103, threaded connector, 104, outer stop nut, 105, conical sleeve, 106, flat shim, 107, elastomeric pad, 108, reference column, 109, anti-rope, 201, vertical rod, 202, transverse horizontal bar, 203, the vertical equity bar, 204, brace.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further details, but embodiments of the present invention are not limited to this.
Embodiment 1
As shown in Figures 1 and 2, the corbel type builder's jack, comprise scaffold and a plurality of supporting base of encorbelmenting, and wherein, a plurality of supporting bases of encorbelmenting are connected on the same level height of shear wall, and equidistantly distribute in the vertical.The supporting base of encorbelmenting comprises junction plate 101, girder steel 102, threaded connector 103 and outer stop nut 104, girder steel 102 1 ends are connected on junction plate 101 end faces and are vertical with junction plate 101, threaded connector 103 1 ends pass junction plate 101 and embed in shear wall, outer stop nut 104 is provided with the internal thread with threaded connector 103 external screw thread couplings, outer stop nut 104 is set on threaded connector 103, and junction plate 101 is between shear wall and outer stop nut 104.The quantity of threaded connector 103 is many, all is arranged with outer stop nut 104 on every threaded connector 103.Scaffold comprises transverse horizontal bar 202, vertical equity bar 203 and many row's vertical rod groups, many row's vertical rod groups are parallel to each other and equidistantly distribute in the horizontal, every row's vertical rod group comprises the vertical rod 201 identical with the supporting base quantity of encorbelmenting, many vertical rods 201 in every row's vertical rod group are spaced set in the vertical, vertical rod 201 in every row's vertical rod group is arranged on the girder steel 102 of the supporting base of encorbelmenting one to one with the supporting base position of encorbelmenting, the many vertical rods 201 that are arranged on the girder steel 102 of the same supporting base of encorbelmenting connect by many transverse horizontal bars 202, many transverse horizontal bars 202 that are connected in same girder steel 102 top vertical rods 201 are spaced set from the bottom to top, in every row's vertical rod group, many vertical rods 201 connect by vertical equity bar 203, the quantity of the quantity of vertical equity bar 203 and transverse horizontal bar 202 is suitable, many vertical equity bars 203 that are connected in same vertical rod group are spaced set from the bottom to top.
Construction in the present embodiment during the corbel type overhanging scaffold erection comprises the following steps: step 1, girder steel 102 is fixed on junction plate 101; Step 2, water smash girder steel 102 places need be set concrete before pre-buried threaded connector 103 and conical sleeve 105, after the concrete at this place reaches certain intensity, being threaded connection part 103 is fixed on junction plate 101 and girder steel 102 on shear wall through junction plate 101 and the outer stop nut 104 that is set on threaded connector 103, wherein, the girder steel 102 that is connected to shear wall same level height when specifically arranging is many, and many girder steels 102 equidistantly distribute in the vertical; Step 3, on the girder steel 102 of the supporting base of encorbelmenting, vertical rod 201 is set, the quantity of every girder steel 102 upper pright stanchions 102 is many, on all girder steels 102, the position of contact vertical rod 102 is whole by rectangular distribution, wherein, the height of every vertical rod 201 is 24m, and the spacing of the vertical rod 201 on adjacent two girder steels 102 is 1.5m; Step 4, the transverse horizontal bar 202 of setting up connecting upright pole 201 and vertical equity bar 203, the many transverse horizontal bars 202 and the Duo Gen vertical equity bar 203 that are connected in same vertical rod 201 are crisscross arranged with the connecting portion of this vertical rod 201, wherein, the spacing between the spacing between adjacent two transverse horizontal bars 202, adjacent two vertical equity bars 203 is 1.8m; Step 5, the bar by the waist that row's vertical rod group arranged outside height farthest is 0.9m in distance shear wall wall face distance.
The transverse horizontal bar 202 and the vertical equity bar 203 that in the present embodiment, in same vertical rod 201, connect are crisscross arranged, in same vertical rod 201, every transverse horizontal bar 202 is interior to the connected node of a vertical equity bar 203 and this vertical rod 201 should be arranged with this vertical rod 201 connected node below 0.3m, should make every vertical equity bar 203 near transverse horizontal bar 202 belows.Vertical rod 201 in the present embodiment, transverse horizontal bar 202 and vertical equity bar 203 all adopt steel pipe, and each rod member adopts fastener to be connected when concrete the connection.In the present embodiment, every vertical rod 201 adopts many steel pipes to connect, vertical rod 201 joints are except adopting overlap joint at top layer, all the other each joints adopt clasp are docked, overlap joint should meet following requirement: in vertical rod 201, clasp is answered to interlaced arrangement 1., two adjacent vertical rod 201 joints should not be located at across, the distance that two adjacent vertical rod 201 joints stagger in short transverse should not be less than 500mm, and the distance of each joint center to center distance main contact should not be greater than 1/3 of step pitch; 2. vertical rod 201 lap length are not less than 1000mm, are no less than two rotary buckles and fix, and the edge of end fastener cover plate to the distance of boom end should not be less than 100mm.The structure quality requirement of vertical equity bar 203 in the present embodiment: 1. vertical equity bar 203 should be arranged on vertical rod 201 inboards, and the every steel pipe that forms vertical equity bar 203 at least strides across three vertical rods 201; 2. the interior steel pipe of vertical equity bar 203 adopts clasp is connected, and also can adopt overlap joint, should make the necessary interlaced arrangement of docking of vertical equity bar 203 interior steel pipes during overlap joint; The joint of adjacent two vertical equity bars 203 can not be arranged on synchronous or same across interior, asynchronous or the different distance staggered in the horizontal direction across two adjacent joints should not be less than 500mm, each joint center to the distance of nearest main contact must not be greater than 1/3 of advance, in vertical equity bar 203, the lap length of two steel pipes should be not less than 1000mm, and presses 3 rotary buckles of spaced set.In the present embodiment, the structure quality requirement of transverse horizontal bar 202 is: vertical rod 201 must arrange a transverse horizontal bar 201 with the intersection point place of vertical equity bar 203, and the center to center distance of two right-angle couplers in host node place should not be greater than 300mm.
Be not limited to and embed in shear wall during the present embodiment application, also can embed in concrete beam, post, be applicable to monolithic reinforced concrete structure engineering newly-built or reconstruction, when following several execution conditions, its advantage is particularly outstanding: one, the following Structural Engineering in building ± 0, foundation ditch backfill in time, and main structural engineering must be constructed immediately, otherwise will affect the duration; Two, highrise building agent structure surrounding is podium or other building, above scaffold can not directly be bearing in; Three, construction of super highrise building, the scaffold building height has surpassed the scaffolding height of allowing of console mode scaffold; Four, the buildings such as superelevation frame construction, shear wall structure, tubular construction.
Embodiment 2
As shown in Figure 3, the present embodiment has carried out following improvement on the basis of embodiment 1: the supporting base of encorbelmenting of the present embodiment also comprises conical sleeve 105, flat shim 106 and elastomeric pad 107, wherein, the end face of the end that conical sleeve 105 diameters are large is concordant with the shear wall wall face, and this end face indent formation has annular groove.Conical sleeve 105 is provided with the internal thread with threaded connector 103 external screw thread couplings, conical sleeve 105 is positioned at shear wall and the mode of mating by screw thread is connected on threaded connector 103, flat shim 106, elastomeric pad 107 all are set on threaded connector 103 and between junction plate 101 and outer stop nut 104, flat shim 106 contacts with junction plate 101, and elastomeric pad 107 both ends of the surface contact with outer stop nut 104 with flat shim 106 respectively.The present embodiment adopts flat shim 106 to separate junction plate 101 and outer stop nut 104, adopt elastomeric pad 107 to avoid between junction plate 101 and outer stop nut 104 occurring rigid friction, and conical sleeve 105 can make the distribution of forces of 103 pairs of building structure of connector more even.
Embodiment 3
The present embodiment has carried out following improvement on the basis of embodiment 2: the threaded connector 103 of the present embodiment adopts two bolts, a bolt is positioned at shear wall, the head of another root bolt is positioned at outside shear wall, and the other end that two bolts form head end relatively all embeds in conical sleeve 105 and is connected with conical sleeve 105.So, in the present embodiment when application, be positioned at the outer bolt of shear wall by adjusting head section and the supporting base of encorbelmenting is fixed to the supporting base of maybe encorbelmenting is dismantled.
Carried out following improvement on the basis of the present embodiment any one embodiment in embodiment 2～3: the threaded connector 103 of the present embodiment, conical sleeve 105, flat shim 106, elastomeric pad 107 and outer stop nut 104 form detent mechanism, in the present embodiment, the quantity of detent mechanism is four groups, and in four groups of detent mechanisms, threaded connector 103 is respectively the place, four diagonal angles of a rectangular area through the position of junction plate 101.The present embodiment positions junction plate 101 in each supporting base of encorbelmenting by 4, and the supporting base that can make to encorbelment location is more firm.
Embodiment 5
Displacement appears while being arranged on girder steel 102 for fear of vertical rod 201, carried out following improvement on the basis of the present embodiment any one embodiment in embodiment 1～4: girder steel 102 upper surfaces in the present embodiment in each supporting base of encorbelmenting are provided with the reference column 108 suitable with vertical rod group quantity, and vertical rod 201 lower ends are set on reference column 108.
Embodiment 6
In order to strengthen the bearing capacity of the supporting base of encorbelmenting, carried out following improvement on the basis of the present embodiment any one embodiment in embodiment 1～5: in the present embodiment, every supporting base of encorbelmenting is connected in one of shear wall and rectifies on the shear wall wall face of top and be provided with draw ring, be connected with anti-rope 109 on the girder steel 102 of this supporting base of encorbelmenting, the other end that anti-rope 109 connects girder steel 102 ends relatively is connected on draw ring.In the present embodiment, draw ring adopts reinforcing bar to make, and anti-rope 109 adopts wire rope.After setting up draw ring and anti-rope 109, construction during the corbel type overhanging scaffold erection of the present embodiment is further comprising the steps of: on the shear wall directly over each encorbelments supporting base and shear wall connecting portion, draw ring is set, adopts anti-rope 109 two ends to connect respectively draw ring and girder steel 102.
Embodiment 7
In order to strengthen the structure of scaffold, made following improvement on the basis of the present embodiment any one embodiment in embodiment 1～6: in many rows vertical rod group of the present embodiment, apart from shear wall wall face distance, row's vertical rod group arranged outside farthest has the many groups bridging is connected with vertical rod 201 in this vertical rod group, 5～7 vertical rods 201 of every group of bridging connection.In the present embodiment, bridging comprises the brace 204 of two intersections, and brace 204 is 45 °～60 ° with the angle of horizontal plane.Wherein, every brace 204 adopts many steel pipes to connect and compose, and in the interior same brace 204 of bridging, the form of overlap joint is taked in the connection of steel pipe, and lap length should be not less than 1000mm, and uses the rotary buckle that is no less than 2 fastening.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that the specific embodiment of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, not breaking away from other embodiments that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (10)
1. corbel type builder's jack, it is characterized in that, comprise that scaffold reaches a plurality of supporting bases of encorbelmenting at same level height spaced set, the described supporting base of encorbelmenting comprises junction plate (101), one end is connected on junction plate (101) end face and the girder steel (102) vertical with junction plate (101), one end is through junction plate (101) and embed the threaded connector (103) in shear wall, and be set in the outer stop nut (104) on threaded connector (103), described junction plate (101) is positioned between shear wall and outer stop nut (104), described scaffold comprises transverse horizontal bar (202), vertical equity bar (203) and many row's vertical rod groups, many row's vertical rod groups are parallel to each other and equidistantly distribute in the horizontal, every row's vertical rod group comprises and the identical vertical rod of supporting base quantity (201) of encorbelmenting, vertical rod (201) in every row's vertical rod group is arranged on the girder steel (102) of the supporting base of encorbelmenting one to one with the supporting base position of encorbelmenting, the many vertical rods (201) that are arranged on the girder steel (102) of the same supporting base of encorbelmenting connect by many transverse horizontal bars (202), the many transverse horizontal bars (202) that are connected in same girder steel (102) top vertical rod (201) are spaced set from the bottom to top, in every row's vertical rod group, many vertical rods (201) connect by vertical equity bar (203), the quantity of the quantity of vertical equity bar (203) and transverse horizontal bar (202) is suitable, the many vertical equity bars (203) that are connected in same vertical rod group are spaced set from the bottom to top.
2. corbel type builder's jack according to claim 1, it is characterized in that, the described supporting base of encorbelmenting also comprises conical sleeve (105), flat shim (106) and elastomeric pad (107), described conical sleeve (105) is provided with the internal thread with threaded connector (103) external screw thread coupling, conical sleeve (105) is positioned at shear wall and the mode of mating by screw thread is connected on threaded connector (103), described flat shim (106), elastomeric pad (107) all is set in threaded connector (103) above and is positioned between junction plate (101) and outer stop nut (104), flat shim (106) contacts with junction plate (101), elastomeric pad (107) both ends of the surface contact with outer stop nut (104) with flat shim (106) respectively.
3. corbel type builder's jack according to claim 2, is characterized in that, the end face of the end that described conical sleeve (105) diameter is large is concordant with the shear wall wall face, and this end face indent formation has annular groove.
4. corbel type builder's jack according to claim 3, it is characterized in that, described threaded connector (103) comprises two bolts, and the other end that two bolts form head end relatively all embeds in conical sleeve (105) and is connected with conical sleeve (105).
5. corbel type builder's jack according to claim 2, it is characterized in that, described threaded connector (103), conical sleeve (105), flat shim (106), elastomeric pad (107) and outer stop nut (104) form detent mechanism, the quantity of described detent mechanism is four groups, and in four groups of detent mechanisms, threaded connector (103) is respectively the place, four diagonal angles of a rectangular area through the position of junction plate (101).
6. corbel type builder's jack according to claim 1, it is characterized in that, girder steel (102) upper surface in the described supporting base of encorbelmenting is provided with the reference column (108) suitable with vertical rod group quantity, described vertical rod (201) is steel pipe, and vertical rod (201) lower end is set on reference column (108).
7. corbel type builder's jack according to claim 1, it is characterized in that, every supporting base of encorbelmenting is connected in one of shear wall and rectifies on the shear wall wall face of top and be provided with draw ring, be connected with anti-rope (109) on the girder steel of this supporting base of encorbelmenting (102), the other end that described anti-rope (109) connects girder steel (102) end relatively is connected on draw ring.
8. according to the described corbel type builder's jack of any one in claim 1～7, it is characterized in that, in many row's vertical rod groups, apart from shear wall wall face distance, row's vertical rod group arranged outside farthest has and many groups bridging that in this vertical rod group, vertical rod (201) is connected, every group of bridging connection 5～7 vertical rods (201); Described bridging comprises the brace (204) of two intersections, and brace (204) is 45 °～60 ° with the angle of horizontal plane.
9. the construction during corbel type overhanging scaffold erection, is characterized in that, comprises the following steps:
Step 1, girder steel (102) is fixed on junction plate (101);
Step 2, water to smash pre-buried threaded connector (103) and conical sleeve (105) before the concrete that girder steel (102) locates need be set, after the concrete at this place reaches certain intensity, being threaded connection part (103) is fixed on junction plate (101) and girder steel (102) on shear wall through junction plate (101) and the outer stop nut (104) that is set on threaded connector (103), wherein, the girder steel (102) that is connected to shear wall same level height when specifically arranging is many, and many girder steels (102) equidistantly distribute in the vertical;
Step 3, vertical rod (201) is set on the girder steel of supporting base of encorbelmenting (102), the quantity of every girder steel (102) upper pright stanchion (102) is many, the position of all girder steels (102) upper contact vertical rods (102) is whole by rectangular distribution, wherein, the height of every vertical rod (201) is 24m, and the spacing of the vertical rod (201) on adjacent two girder steels (102) is 1.5m;
Step 4, the transverse horizontal bar (202) of setting up connecting upright pole (201) and vertical equity bar (203), the many transverse horizontal bars (202) and the many vertical equity bars (203) that are connected in same vertical rod (201) are crisscross arranged with the connecting portion of this vertical rod (201), wherein, the spacing between the spacing between adjacent two transverse horizontal bars (202), adjacent two vertical equity bars (203) is 1.8m;
Step 5, in distance shear wall wall face distance row's vertical rod group arranged outside bridging farthest;
On step 6, the shear wall directly over each encorbelments supporting base and shear wall connecting portion, draw ring is set, adopts anti-rope (109) two ends to connect respectively draw ring and girder steel (102).
10. construction during corbel type overhanging scaffold erection according to claim 9, is characterized in that, further comprising the steps of: the bar by the waist that row's vertical rod group arranged outside height farthest is 0.9m in distance shear wall wall face distance.
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| CN201310471616.2A CN103485524B (en) | 2013-10-11 | 2013-10-11 | Corbel type builder's jack and construction when setting up thereof |
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| CN201310471616.2A CN103485524B (en) | 2013-10-11 | 2013-10-11 | Corbel type builder's jack and construction when setting up thereof |
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| CN103485524A true CN103485524A (en) | 2014-01-01 |
| CN103485524B CN103485524B (en) | 2016-03-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104314081A (en) * | 2014-10-17 | 2015-01-28 | 中铁八局集团建筑工程有限公司 | Deep foundation pit driftway-free basement concrete pumping construction device |
| CN105113781A (en) * | 2015-03-25 | 2015-12-02 | 湖南拯卫建设科技有限公司 | Cantilever frame beam side all-embedded mounting and erecting device |
| CN108979122A (en) * | 2018-09-25 | 2018-12-11 | 中国五冶集团有限公司 | A kind of scaffold wall connecting piece that can be recycled |
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| CN103321399A (en) * | 2013-06-25 | 2013-09-25 | 北京金港机场建设有限责任公司 | Suspension scaffold at gable at sloping roof eaves of high-rise building, and construction method thereof |
| CN203475793U (en) * | 2013-10-11 | 2014-03-12 | 四川省第四建筑工程公司 | Bracket type overhanging scaffold |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314081A (en) * | 2014-10-17 | 2015-01-28 | 中铁八局集团建筑工程有限公司 | Deep foundation pit driftway-free basement concrete pumping construction device |
| CN105113781A (en) * | 2015-03-25 | 2015-12-02 | 湖南拯卫建设科技有限公司 | Cantilever frame beam side all-embedded mounting and erecting device |
| CN105113781B (en) * | 2015-03-25 | 2018-08-03 | 湖南拯卫建设科技有限公司 | Device is set up in a kind of overhanging complete pre-buried installation in side of setting a roof beam in place |
| CN108979122A (en) * | 2018-09-25 | 2018-12-11 | 中国五冶集团有限公司 | A kind of scaffold wall connecting piece that can be recycled |
| CN108979122B (en) * | 2018-09-25 | 2023-10-13 | 中国五冶集团有限公司 | Scaffold frame that circulated used links wall spare |
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|---|---|
| CN103485524B (en) | 2016-03-23 |
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