CN114892943B - Basket type cantilever scaffold device based on embedded chute installation - Google Patents
Basket type cantilever scaffold device based on embedded chute installation Download PDFInfo
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- CN114892943B CN114892943B CN202210667117.XA CN202210667117A CN114892943B CN 114892943 B CN114892943 B CN 114892943B CN 202210667117 A CN202210667117 A CN 202210667117A CN 114892943 B CN114892943 B CN 114892943B
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- 238000009434 installation Methods 0.000 title claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 238000003466 welding Methods 0.000 claims description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 12
- 238000005452 bending Methods 0.000 description 11
- 230000002829 reductive effect Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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Abstract
The invention discloses a basket type cantilever scaffold device based on embedded chute installation. The device comprises a scaffold (2), an upper horizontal bar base plate (3), a lower horizontal bar base plate (4) and a plurality of groups of diagonal beam member combinations (5); the front surfaces of the upper horizontal strip base plate and the lower horizontal strip base plate are arranged in an embedded chute configuration; the diagonal bracing beam component combination comprises an ear plate component, an upper clamping plate (53), a spandrel girder component, a lower clamping plate (57) and a diagonal bracing rod (54); the lug plate component is embedded in the embedded chute of the upper cross bar base plate, and the lug plate component, the upper cross bar base plate and the upper clamping plate are clamped and installed together; the rear end of the spandrel girder component is embedded in the embedded chute of the lower cross bar substrate, and the spandrel girder component, the lower cross bar substrate and the lower clamping plate are clamped and installed together; one end of the diagonal draw bar is connected with the lug plate component, and the other end of the diagonal draw bar is connected with the front end of the spandrel girder component; the scaffold is erected on the combined spandrel girder component of the cable-stayed girder component. The scaffold device is beneficial to quickly constructing and dismantling the scaffold with high quality.
Description
Technical Field
The invention relates to a scaffold for constructional engineering, in particular to a basket type cantilever scaffold device based on embedded chute installation.
Background
For building engineering, it is the most basic task to build scaffolds on building structures. Currently, overhanging scaffolds are generally used for scaffolds built on building structures with a height of less than 150 meters. The traditional overhanging scaffold has obvious defects and is mainly characterized in that: the rear anchoring end needs to go deep into the building structure to anchor with the floor, or a fixed plate is reserved on the building structure, the profile steel girder and the fixed plate are welded, and the girder is inclined by a steel wire rope.
With the progress of building construction technology, industry technicians improve and obtain basket type overhanging scaffold on the basis of traditional overhanging scaffold, and this kind of scaffold has solved template opening extravagant, has prevented that later stage entrance to a cave seepage, wire rope draws not firm scheduling problem to one side. However, the improved basket type cantilever scaffold still has more problems, and is mainly expressed as follows: before the scaffold is built, more reserved mounting holes are required to be formed in the building structure in advance, and the reserved mounting holes formed in advance are easy to deviate, so that the building of the subsequent scaffold is influenced; the connecting beams on the scaffold are welded with more lap joints, and the lap joints are easy to have welding quality problems; the construction process of welding lap joints is complicated, so that the working efficiency is low; the welding lap joint is not adjustable, and the built partial scaffold cannot be subjected to structural adjustment; the number of welded lap joints to be removed is large when the scaffold is removed, and the scaffold removal process is tedious, time-consuming and labor-consuming; the high-altitude welding operation has high difficulty, has large potential safety hazard, and is easy to cause safety accidents such as electric shock, fire disaster and the like.
In general, the existing basket type cantilever scaffold cannot be quickly built and dismantled with high quality, so that the construction progress of the building engineering is adversely affected.
Disclosure of Invention
The invention aims to provide a basket type cantilever scaffold device based on embedded chute installation, which is installed on a building structure in a manner that members are embedded into embedded chutes of a horizontal bar base plate, and the whole scaffold device is mainly of a member assembly structure, so that the scaffold device is beneficial to realizing rapid high-quality construction and dismantling of the scaffold, and the construction progress and the construction quality of a building project are ensured.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the basket type cantilever scaffold device based on embedded chute installation comprises a scaffold, and further comprises an upper cross bar base plate, a lower cross bar base plate and a plurality of groups of inclined-pull beam member combinations; the upper horizontal bar base plate and the lower horizontal bar base plate are both arranged on the building structure, the upper horizontal bar base plate is positioned above the lower horizontal bar base plate, and the front surfaces of the upper horizontal bar base plate and the lower horizontal bar base plate are both provided with embedded sliding groove structures; the plurality of groups of diagonal beam member combinations are arranged on the upper horizontal bar base plate and the lower horizontal bar base plate, and each group of diagonal beam member combinations comprises an ear plate member, an upper clamping plate, a spandrel beam member, a lower clamping plate and diagonal draw bars; the lug plate component is embedded in the embedded sliding groove on the front surface of the upper cross bar base plate, the upper clamping plate is arranged at the lug plate component, and the lug plate component, the upper cross bar base plate and the upper clamping plate are clamped and installed together; the rear end of the spandrel girder component is embedded in an embedded chute on the front surface of the lower cross bar substrate, the lower clamping plate is arranged at the rear end of the spandrel girder component, and the spandrel girder component, the lower cross bar substrate and the lower clamping plate are clamped and installed together; one end of the diagonal draw bar is connected with the lug plate component in a mounting way, and the other end of the diagonal draw bar is connected with the front end of the spandrel girder component in a mounting way; the scaffold is erected on a plurality of groups of spandrel girder components combined by the diagonal girder components.
Further, the surface of the ear plate component clamped with the upper cross bar base plate is a rough surface, and the surface of the upper clamping plate clamped with the upper cross bar base plate is a rough surface; the surface of the spandrel girder component clamped with the lower cross bar substrate is a rough surface, and the surface of the lower clamping plate clamped with the lower cross bar substrate is a rough surface.
Further, the diagonal draw bar is a reverse double-thread telescopic bar.
Further, the ear plate member includes an ear plate, a bottom plate, and two screws; in the lug plate component, a bolt mounting hole is formed in the lug plate, the lug plate is fixed on the front surface of the bottom plate in a welding mode, and two screw rods are fixed on the front surface of the bottom plate in a welding mode; an ear plate via hole and two screw rod via holes are formed in the middle of the upper clamping plate; the bottom plate of the ear plate component is embedded in the embedded chute on the front surface of the upper cross bar substrate, the front surface of the bottom plate of the ear plate component faces the notch of the embedded chute of the upper cross bar substrate, the back surface of the bottom plate of the ear plate component faces the bottom of the embedded chute of the upper cross bar substrate, the upper clamping plate is arranged at the front surface of the bottom plate of the ear plate component, the back surface of the upper clamping plate faces the front surface of the bottom plate of the ear plate component, the edge of the notch of the embedded chute of the upper cross bar substrate is positioned between the back surface of the upper clamping plate and the front surface of the bottom plate of the ear plate component, the ear plate of the ear plate component passes through the ear plate through holes in the middle of the upper clamping plate, the two screw rods of the ear plate component respectively pass through the two screw rod through holes of the upper clamping plate, the screw rods of the ear plate component are screwed on the screw rods of the ear plate component, and the screwed nuts force the upper clamping plate and the bottom plate of the ear plate component to clamp the edge of the embedded chute of the upper cross bar substrate together, so that the ear plate component, the upper cross bar substrate and the upper clamping plate are clamped together; one end of the diagonal draw bar is connected with the lug plate of the lug plate member through a bolt.
Further, the screw rod of the otic placode component is a hexagon head bolt, and the screw rod of the otic placode component is fixed on the front surface of the bottom plate of the otic placode component in a hexagon limit welding mode.
Further, the spandrel girder component comprises a spandrel girder, a bottom plate, two screws and an ear plate; in the spandrel girder component, the front surface of the bottom plate is fixedly connected with the rear end of the spandrel girder in a welding mode, two screw rods are fixed on the front surface of the bottom plate in a welding mode, an ear plate is fixed on the upper surface of the front end of the spandrel girder in a welding mode, and a bolt mounting hole is formed in the ear plate; the middle part of the lower clamping plate is provided with a spandrel girder via hole and two screw bolt via holes; the bottom plate of the spandrel girder component is embedded in an embedded chute on the front surface of the lower cross beam substrate, the front surface of the bottom plate of the spandrel girder component faces the groove bottom of the embedded chute of the lower cross beam substrate, the lower clamping plate is arranged at the front surface of the bottom plate of the spandrel girder component, the back surface of the lower clamping plate faces the front surface of the bottom plate of the spandrel girder component, the edge of the embedded chute of the lower cross beam substrate is positioned between the back surface of the lower clamping plate and the front surface of the bottom plate of the spandrel girder component, the spandrel girder of the spandrel girder component passes through a spandrel girder through hole in the middle of the lower clamping plate, two screw rods of the spandrel girder component respectively pass through two screw rod through holes of the lower clamping plate, the screwed nuts are screwed on the screw rods of the spandrel girder component, and the screwed nuts force the lower clamping plate and the bottom plate of the spandrel girder component to clamp the edge of the embedded chute slot of the lower cross beam substrate together, so that the spandrel girder component, the lower cross beam substrate and the lower clamping plate are clamped together; the other end of the diagonal draw bar is connected with the lug plate at the front end of the spandrel girder component through a bolt.
Further, the screw rod of the spandrel girder component is a hexagon head bolt, and the screw rod of the spandrel girder component is fixed on the front surface of the bottom plate of the spandrel girder component in a hexagon limit welding mode.
Further, the lug plate members in the cable-stayed beam member combination are straight lug plate members or bending lug plate members, the spandrel beam members in the cable-stayed beam member combination are straight spandrel beam members or bending spandrel beam members, the straight lug plate members are installed in a matched mode with the straight spandrel beam members, and the bending lug plate members are installed in a matched mode with the bending spandrel beam members.
Further, a plurality of wing plates provided with bolt mounting holes are fixedly arranged at the upper side and the lower side of the upper cross bar substrate, and the wing plates are used for mounting and fixing the upper cross bar substrate; the upper side and the lower side of the lower horizontal bar base plate are fixedly provided with a plurality of wing plates provided with bolt mounting holes, and the wing plates are used for mounting and fixing the lower horizontal bar base plate.
Further, the spandrel girder member is an I-steel member.
In the scaffold device, a plurality of groups of diagonal beam member combinations are arranged on the upper horizontal bar base plate and the lower horizontal bar base plate in a manner that the member is embedded into the embedded sliding groove of the horizontal bar base plate, so that before the scaffold is built, only the upper horizontal bar base plate and the lower horizontal bar base plate are required to be arranged on a building structure, and excessive reserved mounting holes are not required to be arranged on the building structure in advance, thereby simplifying the preliminary preparation work and avoiding the influence of deviation of the reserved mounting holes arranged in advance on the subsequent scaffold building. In addition, the installation position of the cable-stayed beam component combination can be transversely adjusted based on the embedded sliding groove of the horizontal strip base plate, so that the scaffold can be conveniently subjected to structural adjustment in the construction process, the influence of unpredictable factors on the construction of the scaffold is avoided, and the flexibility of the scaffold construction structure is improved.
The scaffold device is mainly of a component assembly structure, and welding lap joint operation of connecting beams is effectively avoided, so that construction procedures for building the scaffold are simplified, working efficiency is improved, service life and turnover times of components are prolonged, welding quality problems are avoided, and electric shock and fire risks possibly caused by welding operation are avoided.
When the scaffold device is dismantled, the lap joint does not need to be dismantled, so that the process of dismantling the scaffold is simplified, particularly in the later dismantling process, a plurality of spandrel girder components on the same lower transverse bar base plate can be wholly hoisted and dismantled through steel wire ropes, the dismantling speed is accelerated, time and labor are saved, and the safety risk in the dismantling process is reduced.
Compared with the prior art, the scaffold device has the beneficial effects that: in the scaffold device, the diagonal girder component combination is arranged on the upper horizontal girder base plate and the lower horizontal girder base plate in a mode of embedding the component into the embedded sliding grooves of the horizontal girder base plates, and the whole scaffold device is of a component assembly structure, so that the welding lap joint operation of the connecting girders is effectively avoided, the preliminary preparation work before the scaffold is built is simplified, the influence of deviation of the reserved mounting holes which are formed in advance on the subsequent scaffold building is avoided, the construction process for building the scaffold is simplified, the working efficiency is improved, the welding quality problem of welding lap joint parts is avoided, the electric shock and fire risks possibly caused by high-altitude welding operation are avoided, the process of dismantling the scaffold is simplified, the flexibility of the scaffold building structure is improved, and the service life and turnover times of the components are prolonged. The scaffold device is beneficial to realizing rapid high-quality construction and dismantling of the scaffold, and ensures the construction progress and the construction quality of the building engineering.
Drawings
Fig. 1 is a schematic top view of a basket-type cantilever scaffold device based on embedded chute installation of the present invention, without showing the scaffold and diagonal members;
FIG. 2 is a schematic view of a section at A1-A1 in FIG. 1;
FIG. 3 is an enlarged schematic view of the arrow B1 in FIG. 2;
FIG. 4 is an enlarged schematic view of the arrow B2 in FIG. 2;
FIG. 5 is an enlarged schematic view of the arrow B3 in FIG. 2;
FIG. 6 is a schematic view of the front side of the upper rail base plate;
FIG. 7 is a schematic view of a cross section at A2-A2 in FIG. 6;
FIG. 8 is a schematic view of the front side of the lower rail base plate;
FIG. 9 is a schematic view of a section at A3-A3 in FIG. 8;
FIG. 10 is a side view of a straight ear plate member;
FIG. 11 is a schematic view of the cross-section at A4-A4 in FIG. 10;
FIG. 12 is a schematic view of a section at A5-A5 in FIG. 10;
FIG. 13 is a side view of a bent ear plate member;
FIG. 14 is a schematic view of the cross-section at A6-A6 in FIG. 13;
FIG. 15 is a schematic view of the front face of the upper clamping plate;
FIG. 16 is a schematic view of the lug plate member and upper clamping plate mounted to the front face of the upper rail base plate;
FIG. 17 is a side view of a straight load beam member;
FIG. 18 is a schematic view of a section A7-A7 of FIG. 17;
FIG. 19 is a schematic view of a cross section at A8-A8 in FIG. 17;
FIG. 20 is a side view of a bent bolster member;
FIG. 21 is a schematic view of a section at A9-A9 in FIG. 20;
FIG. 22 is a schematic view of the front face of the lower clamping plate;
FIG. 23 is a schematic view of the front face of the lower rail base plate with the straight load beam member and lower clamping plate mounted thereto;
fig. 24 is a schematic view of the diagonal draw bar.
In the figure: 1-building structure, 2-scaffold, 3-upper rail base, 4-lower rail base, 5-diagonal beam member combination, 51-straight ear plate member, 511-first ear plate, 512-first bottom plate, 513-first screw, 52-bent ear plate member, 521-second ear plate, 522-second bottom plate, 523-second screw, 53-upper clamping plate, 54-diagonal brace, 541-double counter-threaded pipe, 542-sub-telescoping rod, 543-connecting plate, 55-straight spandrel member, 551-first spandrel, 552-third bottom plate, 553-third screw, 554-third ear plate, 56-bent spandrel member, 561-second spandrel, 562-fourth bottom plate, 564-fourth screw, 564-fourth ear plate, 57-lower clamping plate.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments below:
referring to fig. 1 to 24, the present embodiment provides a basket type cantilever scaffold device based on embedded chute installation, which is beneficial to realizing rapid high-quality construction and dismantling of a scaffold, and guaranteeing construction progress and quality of a building engineering.
Referring to fig. 1, 2, 3, 4 and 5, the scaffold device of the present embodiment includes a scaffold 2, an upper rail base plate 3, a lower rail base plate 4 and several sets of diagonal beam member combinations 5. The positions indicated by arrows H1 and H2 in fig. 1 are the positions where the upper and lower cross bar substrates 3 and 4 are installed.
Referring to fig. 6 and 7, the upper rail substrate 3 is in a shape of a horizontal long plate, one surface of the upper rail substrate 3 is a front surface, and the other surface is a back surface. The front surface of the upper cross bar base plate 3 is provided with an embedded chute configuration. The embedded chute configuration refers to that an embedded chute is arranged on the front surface of the upper horizontal bar base plate 3, the central axis direction of the embedded chute is consistent with the length direction of the upper horizontal bar base plate 3, the edges of the notch of the embedded chute are folded inwards, so that the width of the bottom of the embedded chute is obviously larger than that of the notch, and the cross section of the upper horizontal bar base plate 3 is in a shape like an elongated C, as shown in fig. 7.
In addition, in order to facilitate the installation, a plurality of wing plates provided with bolt installation holes are fixedly arranged at the upper side and the lower side of the upper rail base plate 3, as indicated by an arrow C1 in fig. 6. Through the bolt mounting holes, the constructor can then mount and fix the upper rail base plate 3 with bolts.
Referring to fig. 8 and 9, the basic construction of the lower track base plate 4 is identical to that of the upper track base plate 3, with only dimensional differences therebetween. Like the upper rail base plate 3, a plurality of wing plates provided with bolt mounting holes are fixedly arranged at the upper side and the lower side of the lower rail base plate 4, as indicated by an arrow C2 in fig. 8.
Referring to fig. 2, 3, 4 and 5, the plurality of groups of cable-stayed beam member combinations 5, each group of cable-stayed beam member combinations 5 includes: an ear plate member, an upper clamping plate 53, a spandrel girder member, a lower clamping plate 57 and a diagonal draw bar 54.
The ear panel members have two configurations, one configuration of ear panel member is referred to as a straight ear panel member 51, as shown in fig. 10, and the other configuration of ear panel member is referred to as a bent ear panel member 52, as shown in fig. 13.
Referring to fig. 10, 11 and 12, the straight ear plate member 51 includes an ear plate called a first ear plate 511, a bottom plate called a first bottom plate 512, and two screws called a first screw 513, and the straight ear plate member 51 includes a bottom plate called a first screw.
One surface of the first bottom plate 512 is a front surface, and the other surface is a back surface. The overall configuration of the first bottom plate 512 should be matched with the embedded sliding groove on the front surface of the upper rail base plate 3, and the first bottom plate 512 should be capable of being embedded in the embedded sliding groove of the upper rail base plate 3 and moving left and right. The front surface of the first base plate 512 is provided with a roughened surface in order to increase friction.
The first ear plate 511 is in a straight plate configuration, i.e., the first ear plate 511 is entirely a straight plate. A bolt mounting hole is formed in the first ear plate 511, the first ear plate 511 is fixed to the front surface of the first bottom plate 512 by welding, and the first ear plate 511 is perpendicular to the first bottom plate 512.
The two first screws 513 are fixed on the front surface of the first bottom plate 512 by welding, and the first screws 513 are perpendicular to the first bottom plate 512, and the two first screws 513 are respectively located on the upper side and the lower side of the first ear plate 511. The central axes of the two first screws 513 are in the same plane as the first ear plates 511. In the present embodiment, the first screw 513 is a hexagon bolt, and the hexagon bolt is fixed to the front surface of the first bottom plate 512 by a hexagon limit welding method.
Referring to fig. 13 and 14, as with the straight ear plate member 51, the bent ear plate member 52 also includes an ear plate, a bottom plate, and two screws, the bent ear plate member 52 includes an ear plate called a second ear plate 521, the bent ear plate member 52 includes a bottom plate called a second bottom plate 522, and the bent ear plate member 52 includes a screw called a second screw 523.
One side of the second bottom plate 522 is a front side, and the other side is a back side. The overall configuration of the second bottom plate 522 should be matched with the embedded sliding groove on the front surface of the upper rail base plate 3, and the second bottom plate 522 should be embedded in the embedded sliding groove of the upper rail base plate 3 and can move left and right. The front surface of the second bottom plate 522 is provided with a roughened surface in order to increase friction.
The second ear panel 521 is in a folded plate configuration, that is, the middle portion of the second ear panel 521 has a bend, as indicated by arrow D1 in fig. 13, and the two bent sections are respectively referred to as a front panel section and a rear panel section of the second ear panel 521. The angle of the bend between the front and rear plate sections of the second ear plate 521 may be determined as desired, and is typically determined according to the angle of the external corner of the building structure, and for the most common "building structure external corner angle is 90 degrees", the most commonly used bend angle between the front and rear plate sections is 135 degrees.
A bolt mounting hole is formed in the front plate section of the second ear plate 521, the rear plate section of the second ear plate 521 is fixed on the front surface of the second bottom plate 522 in a welding mode, the rear plate section of the second ear plate 521 is perpendicular to the second bottom plate 522, and no junction exists between the front plate section of the second ear plate 521 and the second bottom plate 522.
The two second screws 523 are fixed on the front surface of the second bottom plate 522 by welding, and the second screws 523 are perpendicular to the second bottom plate 522, and the two second screws 523 are respectively located on the upper side and the lower side of the second ear plate 521. The central axes of the two second screws 523 are in the same plane as the rear plate section of the second ear plate 521. In the present embodiment, the second screw 523 is a hexagon bolt, and the hexagon bolt is fixed to the front surface of the second bottom plate 522 by a hexagon limit welding method.
As two different configurations of the ear plate members, the basic composition of both the straight ear plate member 51 and the folded ear plate member 52 is identical, each including a bottom plate, an ear plate, and two screws, and the connection structure is also substantially similar, the only difference being that the configurations of the ear plates are different, the ear plate (first ear plate 511) of the straight ear plate member 51 is a straight plate configuration, and the ear plate (second ear plate 521) of the folded ear plate member 52 is a folded plate configuration. The bent ear panel members 52 are intended to be mounted at the external corners of the building structure, while the straight ear panel members 51 are intended to be mounted at other non-external corners of the building structure.
Referring to fig. 15, the overall configuration of the upper clamping plate 53 corresponds substantially to the bottom plate of the ear plate member (either the first bottom plate 512 of the straight ear plate member 51 or the second bottom plate 522 of the bent ear plate member 52).
One surface of the upper clamping plate 53 is a front surface, and the other surface is a back surface. The back surface of the upper clamping plate 53 is provided with a roughened surface in order to increase friction. An ear plate via hole is formed in the middle of the upper clamping plate 53, and is a "1" -shaped through hole as indicated by an arrow E1 in fig. 15, and corresponds to the ear plate on the ear plate member (the first ear plate 511 of the straight ear plate member 51 or the second ear plate 521 of the bent ear plate member 52). The upper clamping plate 53 is further provided with two screw through holes, as indicated by arrows E2 and E3 in fig. 15, which are respectively provided on the upper and lower sides of the ear plate through hole, and are circular through holes, and the two screw through holes correspond to the screws of the ear plate member (the first screw 513 of the straight ear plate member 51 or the second screw 523 of the bent ear plate member 52).
The bolster members have two configurations, one configuration being referred to as a straight bolster member 55 as shown in fig. 17 and the other configuration being referred to as a bent bolster member 56 as shown in fig. 20.
Referring to fig. 17, 18 and 19, the straight girder member 55 includes a girder, a bottom plate, two screws and an ear plate, the straight girder member 55 includes a girder called a first girder 551, the straight girder member 55 includes a bottom plate called a third bottom plate 552, the straight girder member 55 includes a screw called a third screw 553, and the straight girder member 55 includes an ear plate called a third ear plate 554.
One surface of the third base plate 552 is a front surface, and the other surface is a back surface. The overall configuration of the third base plate 552 should be matched to the embedded grooves on the front surface of the lower rail base plate 4, and the third base plate 552 should be capable of being embedded in the embedded grooves of the lower rail base plate 4 and moving left and right. The front surface of the third base plate 552 is provided with a roughened surface in order to increase friction.
The first spandrel girder 551 is an i-steel, and the first spandrel girder 551 is in a straight girder configuration, that is, the whole first spandrel girder 551 is a long and straight i-steel. One end of the first spandrel girder 551 is a front end, and the other end is a rear end. The front surface of the third bottom plate 552 is fixedly connected with the rear end of the first spandrel girder 551 by welding, and the central axis of the first spandrel girder 551 is perpendicular to the third bottom plate 552.
The two third screws 553 are fixed on the front surface of the third bottom plate 552 in a welding mode, the third screws 553 are perpendicular to the third bottom plate 552, and the two third screws 553 are respectively positioned on the left side and the right side of the first spandrel girder 551. The central axes of the two third screws 553 are in the same plane as the central axes of the first spandrel girder 551. In the present embodiment, the third screw 553 is a hexagon bolt, and the hexagon bolt is fixed to the front surface of the third base plate 552 by a hexagon limit welding method.
The third ear plate 554 is fixed on the upper surface of the front end of the first spandrel girder 551 by welding, and a bolt mounting hole is formed in the third ear plate 554.
Referring to fig. 20 and 21, as with the straight spandrel girder member 55, the bending spandrel girder member 56 also includes a spandrel girder, a bottom plate, two screws and an ear plate, the bending spandrel girder member 56 includes a spandrel girder called a second spandrel girder 561, the bending spandrel girder member 56 includes a bottom plate called a fourth bottom plate 562, the bending spandrel girder member 56 includes a screw called a fourth screw 563, and the bending spandrel girder member 56 includes an ear plate called a fourth ear plate 564.
One side of the fourth bottom plate 562 is a front side, and the other side is a back side. The overall configuration of the fourth bottom plate 562 should be matched with the embedded slide groove on the front surface of the lower rail base plate 4, and the fourth bottom plate 562 should be capable of being embedded in the embedded slide groove of the lower rail base plate 4 and moving left and right. The front surface of the fourth bottom plate 562 is provided with a roughened surface in order to increase friction.
The second spandrel girder 561 is an i-steel, and one end of the second spandrel girder 561 is a front end and the other end is a rear end. The second spandrel girder 561 has a folded girder configuration, i.e., a middle portion of the second spandrel girder 561 has a fold, as indicated by an arrow D2 in fig. 20. Of the two sections of the second spandrel girder 561 that are bent, a section of the second spandrel girder 561 where the front end is located is referred to as a front girder section of the second spandrel girder 561, a section of the second spandrel girder 561 where the rear end is located is referred to as a rear girder section of the second spandrel girder 561, and the angle of bending between the front girder Duan Yu and rear girder sections of the second spandrel girder 561 may be determined according to the need, generally according to the angle of the building structure external angle, for the most common "building structure external angle is 90 degrees", and the most commonly adopted bending angle between the front girder Duan Yu and rear girder sections is 135 degrees.
The front surface of the fourth bottom plate 562 is fixedly connected with the rear end of the second spandrel girder 561 by welding, and the central axis of the rear girder section of the second spandrel girder 561 is perpendicular to the fourth bottom plate 562.
The two fourth screws 563 are fixed on the front surface of the fourth bottom plate 562 by welding, the fourth screws 563 are perpendicular to the fourth bottom plate 562, and the two fourth screws 563 are respectively positioned at the left and right sides of the second spandrel girder 561. The central axes of the two fourth screws 563 are in the same plane as the central axis of the rear beam section of the second load bearing beam 561. In the present embodiment, the fourth screw 563 is a hexagon bolt, and the hexagon bolt is fixed to the front surface of the fourth bottom plate 562 by a hexagon limit welding method.
The fourth lug 564 is fixed on the upper surface of the front end (front beam section) of the second spandrel girder 561 by welding, and a bolt mounting hole is formed in the fourth lug 564.
As two different configurations of the spandrel members, the basic composition of both the straight spandrel member 55 and the folded spandrel member 56 is identical, each including a spandrel, a bottom plate, two screws and an ear plate, and the connection structure is also substantially similar, the only difference between the two being that the configurations of the spandrel members are different, the spandrel of the straight spandrel member 55 (the first spandrel 551) is a straight spandrel configuration, and the spandrel of the folded spandrel member 56 (the second spandrel 561) is a folded spandrel configuration. The bent spandrel girder elements 56 are intended to be installed at external corners of the building structure, while the straight spandrel girder elements 55 are intended to be installed at other non-external corners of the building structure.
Referring to fig. 22, the overall configuration of the lower clamping plate 57 corresponds substantially to the bottom plate of the spandrel girder member (the third bottom plate 552 of the straight spandrel girder member 55 or the fourth bottom plate 562 of the bent spandrel girder member 56). One surface of the lower clamping plate 57 is a front surface, and the other surface is a back surface. The back surface of the lower clamping plate 57 is provided with a roughened surface in order to increase friction.
A spandrel girder via hole is formed in the middle of the lower clamping plate 57, and is shaped like an i-shaped through hole as indicated by an arrow F1 in fig. 22, corresponding to the i-steel spandrel girder (the first spandrel girder 551 of the straight spandrel girder member 55 or the second spandrel girder 561 of the bent spandrel girder member 56) on the spandrel girder member.
The lower clamping plate 57 is further provided with two screw through holes, as indicated by arrows F2 and F3 in fig. 22, which are respectively provided on the left and right sides of the spandrel girder through hole, and are circular through holes, and the two screw through holes correspond to the screws of the spandrel girder member (the third screw 553 of the straight spandrel girder member 55 or the fourth screw 563 of the bent spandrel girder member 56).
In the construction of the scaffold device, the lug plate members in the diagonal-drawn beam member combination 5 are the straight lug plate members 51 or the bent lug plate members 52, and the spandrel beam members in the diagonal-drawn beam member combination 5 are the straight spandrel beam members 55 or the bent spandrel beam members 56, however, in one set of diagonal-drawn beam member combinations 5, the straight lug plate members 51 and the straight spandrel beam members 55 are installed in pairs, and the bent lug plate members 52 and the bent spandrel beam members 56 are installed in pairs. The lug and bolster members of the cable-stayed beam member combination 5 may be paired with the bent bolster member 56 using the bent lug member 52 when the cable-stayed beam member combination 5 is installed at the external corner of the building structure 1, and the lug and bolster members of the cable-stayed beam member combination 5 may be paired with the straight bolster member 55 using the straight lug member 51 when the cable-stayed beam member combination 5 is installed at the non-corner of the building structure 1. At the external corners of the building structure 1, a "diagonal beam member combination 5 with a pair of bent ear plate members 52 and bent spandrel beam members 56" is installed, which allows the last erected scaffold device to surround the external corners of the building structure, as indicated by arrow G in fig. 1.
Referring to fig. 24, the diagonal draw bar 54 is a reverse double threaded telescoping bar. Specifically, the diagonal draw bar 54 includes a double counter-threaded tube 541 and two sub-telescopic rods 542; screw holes are formed in the two ends of the double-reverse-thread pipe 541, and the screw threads of the screw holes in the two ends of the double-reverse-thread pipe 541 are opposite in rotation direction; one end of the sub telescopic rod 542 is a threaded end, the other end of the sub telescopic rod 542 is a connecting end, threads are arranged at the threaded end of the sub telescopic rod 542, a connecting plate 543 is fixedly arranged at the connecting end of the sub telescopic rod 542, and a bolt mounting hole is formed in the connecting plate 543; the screw threads on the screw thread ends of the two sub-telescopic rods 542 are opposite in rotation direction, the screw thread ends of the two sub-telescopic rods 542 are respectively in screw thread connection with the screw thread holes on the two ends of the double-back screw thread tube 541, the two sub-telescopic rods 542 and the double-back screw thread tube 541 are combined together to form the diagonal draw bar 54, the connecting ends of the two sub-telescopic rods 542 are the two ends of the diagonal draw bar 54, and the double-back screw thread tube 541 is rotated relative to the two sub-telescopic rods 542, so that the whole diagonal draw bar 54 can be lengthened or shortened.
The scaffold device of the present embodiment has the following specific mounting structure:
referring to fig. 1 to 4, the upper and lower rail substrates 3 and 4 are each mounted laterally on the building structure 1, the upper rail substrate 3 being located above the lower rail substrate 4. The positions indicated by arrows H1 and H2 in fig. 1 are the positions where the upper and lower cross bar substrates 3 and 4 are installed.
Referring to fig. 3, more specifically, the upper rail base plate 3 is fixedly installed on the side surface of the building structure 1 through bolts, the central axis of the upper rail base plate 3 is parallel to the horizontal plane, the back surface of the upper rail base plate 3 is tightly attached to the side surface of the building structure 1, the front surface of the upper rail base plate 3 faces the outer side of the building structure 1, and the fixedly installed bolts are fixedly connected with the building structure 1 after passing through the bolt installation holes on the wing plates of the upper rail base plate 3.
Referring to fig. 4, more specifically, the lower rail base plate 4 is fixedly mounted on a side surface of the building structure 1 through bolts, the central axis of the lower rail base plate 4 is parallel to the horizontal plane, the back surface of the lower rail base plate 4 is tightly attached to the side surface of the building structure 1, the front surface of the lower rail base plate 4 faces the outer side of the building structure 1, and the fixedly mounted bolts are fixedly connected with the building structure 1 after passing through the bolt mounting holes on the wing plates of the lower rail base plate 4.
Referring to fig. 1 and 2, the plurality of groups of diagonal beam member combinations 5 are embedded on the upper and lower rail substrates 3 and 4. Here, the "lug plate member and the spandrel girder member 5 in which the straight lug plate member 51 and the straight spandrel girder member 55 are paired" will be taken as an example.
Referring to fig. 3 and 16, the first bottom plate 512 of the straight ear plate member 51 is embedded in the embedded runner on the front side of the upper rail base plate 3 (is embedded and slid into the embedded runner from one end of the upper rail base plate 3), the front surface roughness of the first bottom plate 512 faces the notch of the embedded runner, the back surface of the first bottom plate 512 faces the bottom of the embedded runner, and the first ear plate 511 and the first screw 513 on the front side of the straight ear plate member 51 pass through the notch of the embedded runner to the outside of the embedded runner.
The upper clamping plate 53 is arranged at the front side of the first bottom plate 512 of the straight ear plate member 51, the rough surface of the back side of the upper clamping plate 53 faces the front side of the first bottom plate 512, and the straight ear plate member 51, the upper cross bar base plate 3 and the upper clamping plate 53 are clamped together. Specifically, the upper clamping plate 53 is disposed at the front side of the first bottom plate 512 of the straight ear plate member 51, the rough surface on the back side of the upper clamping plate 53 faces the front side of the first bottom plate 512, the edge of the embedded chute slot of the upper horizontal strip substrate 3 is located between the rough surface on the back side of the upper clamping plate 53 and the rough surface on the front side of the first bottom plate 512, the first ear plate 511 of the straight ear plate member 51 passes through the ear plate through hole in the middle of the upper clamping plate 53, the two first screws 513 of the straight ear plate member 51 respectively pass through the two screw through holes of the upper clamping plate 53, four nuts are adopted to be screwed on the two first screws 513 of the straight ear plate member 51, the two nuts are screwed on each first screw 513, the nuts are screwed tightly, and the screwed nuts force the rough surface on the back side of the upper clamping plate 53 and the rough surface on the front side of the first bottom plate 512 to clamp the edge of the embedded chute slot of the upper horizontal strip substrate 3 together, so that the straight ear plate member 51, the upper horizontal strip substrate 3 and the upper clamping plate 53 are installed together.
Since the "the rough surface on the back of the upper clamping plate 53 and the rough surface on the front of the first bottom plate 512 clamp the edge of the embedded chute slot of the upper rail base plate 3 together", that is, the surface of the straight ear plate member 51 clamped by the scaffold 2 is a rough surface, and the surface of the upper clamping plate 53 clamped by the upper rail base plate 3 is a rough surface.
Referring to fig. 4 and 23, the third bottom plate 552 of the straight spandrel girder member 55 is inserted into the embedded runner of the front face of the lower rail base plate 4 (is inserted into the embedded runner from one end of the lower rail base plate 4), the front surface roughness of the third bottom plate 552 faces the notch of the embedded runner, the back surface of the third bottom plate 552 faces the bottom of the embedded runner, and the first spandrel girder 551 and the third screw 553 of the front face of the straight spandrel girder member 55 pass through the notch of the embedded runner to the outside of the embedded runner.
The lower clamping plate 57 is disposed at the front side of the third bottom plate 552 of the direct load beam member 55, and the rear rough surface of the lower clamping plate 57 faces the front side of the third bottom plate 552, so that the direct load beam member 55, the lower cross bar base plate 4 and the lower clamping plate 57 are clamped together. Specifically, the lower clamping plate 57 is disposed at the front side of the third bottom plate 552 of the vertical spandrel girder member 55, the rough surface on the back side of the lower clamping plate 57 faces the front side of the third bottom plate 552, the edge of the embedded chute slot of the lower horizontal stripe substrate 4 is located between the rough surface on the back side of the lower clamping plate 57 and the rough surface on the front side of the third bottom plate 552, the first spandrel girder 551 of the vertical spandrel girder member 55 passes through the spandrel girder via holes in the middle of the lower clamping plate 57, the two third screws 553 of the vertical spandrel girder member 55 respectively pass through the two screw via holes of the lower clamping plate 57, four nuts are adopted to be screwed on the two third screws 553 of the vertical spandrel girder member 55, each third screw 553 is screwed with two nuts, the nuts are screwed, and the screwed nuts force the rough surface on the back side of the lower clamping plate 57 and the rough surface on the front side of the third bottom plate 552 to jointly clamp the edge of the embedded chute slot of the lower horizontal stripe substrate 4, so that the vertical spandrel girder member 55, the lower horizontal stripe substrate 4 and the lower clamping plate 57 are clamped together.
Since the "the rough surface on the back of the lower clamping plate 57 and the rough surface on the front of the third bottom plate 552 clamp the edge of the embedded chute slot of the lower rail substrate 4" together, that is, the surface of the straight spandrel girder member 55 clamped with the lower rail substrate 4 is a rough surface, the surface of the lower clamping plate 57 clamped with the lower rail substrate 4 is a rough surface.
Referring to fig. 2, 3 and 5, one end of the diagonal brace 54 is mounted to the lug plate member 51, and the other end of the diagonal brace 54 is mounted to the front end of the load-bearing beam member 55. Specifically, the connection plate 543 on one end of the diagonal brace 54 is connected to the first lug 511 of the straight lug plate member 51 by a bolt, the connection plate 543 on the other end of the diagonal brace 54 is connected to the third lug 554 on the front end of the first spandrel girder 551 of the straight spandrel girder member 55 by a bolt, and the entire diagonal brace 54 is in a diagonal tension state.
When the installation position of the cable-stayed beam member assembly 5 is at the external corner of the building structure 1, the ear plate members and the spandrel beam members in the cable-stayed beam member assembly 5 may take the form of the pair of the bent ear plate members 52 and the bent spandrel beam member 56, the installation structure of which is substantially identical to the "pair of the straight ear plate members 51 and the straight spandrel beam member 55", the second ear plate 521, the second bottom plate 522 and the second screw 523 of the bent ear plate member 52 correspond to the first ear plate 511, the first bottom plate 512 and the first screw 513 of the straight ear plate member 51 in sequence, and the second spandrel beam 561, the fourth bottom plate 562, the fourth screw 563 and the fourth screw 564 of the bent spandrel beam member 56 correspond to the first spandrel beam 551, the third bottom plate 552, the third screw 553 and the third ear plate 554 of the straight spandrel beam member 55 in sequence.
Referring to fig. 2, finally, the scaffold 2 is erected on the straight spandrel girder elements 55 of the cable-stayed girder element combination 5.
It should be noted that, the front and back sides of the ear plate member 51 refer to the front and back sides of the first bottom plate 512 of the ear plate member 51; references herein to the front and back sides of the bent ear plate member 52 refer to the front and back sides of the second bottom plate 522 in the bent ear plate member 52; the front and rear sides of the straight girder member 55 referred to herein mean the front and rear sides of the third base plate 552 in the straight girder member 55; the front and back sides of the folded spandrel girder 56 referred to herein are the front and back sides of the fourth bottom plate 562 of the folded spandrel girder 56; the front and rear ends of the straight spandrel girder member 55 referred to herein refer to the front and rear ends of the first spandrel girder 551 in the straight spandrel girder member 55; the front and rear ends of the bent spandrel member 56 referred to herein refer to the front and rear ends of the second spandrel 561 of the bent spandrel member 56.
The "hexagonal limited welding mode" mentioned herein is specifically implemented by providing hexagonal through holes on the bottom plates (such as the first bottom plate 512, the second bottom plate 522, the third bottom plate 552 and the fourth bottom plate 562), embedding the bolt heads of the hexagonal bolts into the hexagonal through holes, and then welding the bolt heads of the hexagonal bolts with the bottom plate.
The scaffold device of the present embodiment comprises the following steps:
step 1, determining the installation positions of an upper horizontal bar substrate 3 and a lower horizontal bar substrate 4 according to the plane size of a building structure, reserving scaffold installation holes on the building structure, ensuring that holes are not blocked and offset, and avoiding secondary tapping in later period.
Step 2, prefabricating an upper horizontal bar substrate 3, a lower horizontal bar substrate 4 and a lower horizontal bar substrate 4, and prefabricating the upper horizontal bar substrate 3 and the lower horizontal bar substrate 4 in a factory by combining with a building structure design drawing, wherein the selection of the wall thickness of a groove, the size of a groove cavity, the height of a groove opening, the edge height of the groove opening and the position of a wing plate is included. The prefabricated lower horizontal bar base plate 4 is arranged at the appointed position of the lower bolster of the building structure, and is fixedly arranged by adopting a high-strength bolt component (double nuts).
Step 3, prefabricating a spandrel girder component and a lower clamping plate 57, wherein the spandrel girder is made of I-shaped steel, firstly, placing the lower clamping plate 57 at the rear end part of the spandrel girder, leaving a corresponding spandrel girder via hole and a corresponding screw via hole on the lower clamping plate 57, secondly, welding a hexagon head bolt with a bottom plate provided with a hexagon through hole, and then welding the bottom plate at the end part of the spandrel girder. To enhance the anti-slip ability of the contact surface, the opposite surfaces of the bottom plate and the lower clamping plate 57 are provided with roughened surfaces. The width and the height of the bottom plate are slightly smaller than the inner width dimension of the embedded chute of the lower horizontal bar base plate 4. The front end of the spandrel girder is welded with an ear plate.
And 4, sequentially sliding the prefabricated spandrel girder components to the designated positions from one end of the lower horizontal strip base plate 4 according to scaffold construction drawings and field actual requirements, wherein the sliding resistance of the bottom plate of the spandrel girder components can be reduced by an oiling mode. The bottom plate of the spandrel girder element and the lower clamping plate 57 are then initially tightened by a first screw cap, and the lower clamping plate 57 is tapped with a small hammer, and finally re-screwed by a second screw cap.
And 5, after the bearing beam component on the lower bearing beam of the building is installed, a layer of scaffold can be erected.
Step 6, prefabricating the ear plate component and the upper clamping plate 53, firstly welding the hexagon head bolt with the bottom plate provided with the hexagon through hole, secondly welding the ear plate on the front surface of the bottom plate, and finally sleeving the upper clamping plate 53 with the ear plate through hole and the screw through hole in the ear plate. The opposite surface of the bottom plate to the upper clamping plate 53 is provided as a roughened surface. The bottom plate size of the ear plate member is slightly smaller than the inner side size of the embedded chute of the upper cross bar base plate 3.
Step 7, installing the upper horizontal strip baseplate 3 and the lug plate component, combining a building structural design drawing, installing the prefabricated upper horizontal strip baseplate 3 at a designated position of an upper spandrel girder of a building, fixedly installing the prefabricated upper horizontal strip baseplate 3 through a high-strength bolt component (double nuts), and sequentially marking the prefabricated lug plate component to the designated position from one end of the upper horizontal strip baseplate 3 according to the installation position of the spandrel girder component, wherein the sliding resistance is reduced in an oiling mode, and primary screwing and secondary screwing are carried out on an upper limiting device.
In step 8, the diagonal draw bar 54 is tied, the connecting plate 543 at one end of the diagonal draw bar 54 is connected with the lug plate at the front end of the straight spandrel girder member 55 by adopting a bolt assembly, the connecting plate 543 at the other end of the diagonal draw bar 54 is connected with the first lug plate 511 of the straight lug plate member 51, and then the double-reverse threaded tube 541 of the diagonal draw bar 54 is rotated to shrink and tighten the diagonal draw bar 54.
And 9, erecting a scaffold on the spandrel girder component, and erecting two or more layers of scaffolds after the first layer of scaffold is installed.
The scaffold device of the present embodiment has the advantages that:
1) In the scaffold device, a plurality of groups of diagonal beam member combinations 5 are arranged on the upper horizontal bar base plate 3 and the lower horizontal bar base plate 4 in a manner of embedding the members into the horizontal bar base plate embedded sliding grooves, so that before the scaffold is built, only the upper horizontal bar base plate 3 and the lower horizontal bar base plate 4 are required to be arranged on a building structure, and excessive reserved mounting holes are not required to be formed on the building structure in advance, thereby simplifying the preliminary preparation work.
2) The diagonal beam member combination 5 is arranged on the upper cross bar base plate 3 and the lower cross bar base plate 4 in a mode of embedding the member into the embedded sliding groove of the cross bar base plate, so that the influence of deviation of a reserved mounting hole which is formed in advance on the subsequent scaffold construction is avoided.
3) The whole scaffold device is mainly of a component assembly structure, and can effectively avoid welding and lap joint operation of connecting beams, so that construction procedures for constructing the scaffold are simplified, and working efficiency is improved.
4) The whole scaffold device is mainly of a component assembly structure, and effectively avoids welding lap joint operation of connecting beams, so that the problem of welding quality is avoided, and meanwhile, electric shock and fire risks possibly caused by high-altitude welding operation are also avoided.
5) The whole scaffold device is assembled by a plurality of components, and the lap joint does not need to be removed when the scaffold is removed, so that the process of removing the scaffold is simplified, particularly, in the later-stage removing process, a plurality of spandrel girder components on the same lower horizontal bar base plate 4 can be integrally hung and removed through a steel wire rope, the removing speed is accelerated, time and labor are saved, and the safety risk in the removing process is reduced.
6) Because the diagonal girder member combination 5 is installed on the upper horizontal bar base plate 3 and the lower horizontal bar base plate 4 in a mode of embedding the member into the horizontal bar base plate embedded sliding groove, the installation position of the diagonal girder member combination 5 can be transversely adjusted based on the horizontal bar base plate embedded sliding groove, so that the scaffold is convenient to adjust the structure in the construction process, the influence of unpredictable factors on the construction of the scaffold is avoided, and the flexibility of the construction structure of the scaffold is improved.
7) The whole scaffold device is mainly of a component assembly structure, and effectively avoids welding and lap joint operation of connecting beams, so that the service life of components and the turnover times are prolonged.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. Basket type cantilever scaffold device based on embedded spout installation, including scaffold frame (2), its characterized in that: the scaffold device also comprises an upper horizontal bar base plate (3), a lower horizontal bar base plate (4) and a plurality of groups of inclined-pull beam member combinations (5);
the upper horizontal strip substrate (3) and the lower horizontal strip substrate (4) are both arranged on the building structure (1), the upper horizontal strip substrate (3) is positioned above the lower horizontal strip substrate (4), and the front surfaces of the upper horizontal strip substrate (3) and the lower horizontal strip substrate (4) are both arranged to be embedded chute structures;
the plurality of groups of diagonal girder member combinations (5) are arranged on the upper horizontal strip base plate (3) and the lower horizontal strip base plate (4), and each group of diagonal girder member combinations (5) comprises an ear plate member, an upper clamping plate (53), a spandrel girder member, a lower clamping plate (57) and a diagonal draw bar (54);
The ear plate component is embedded in the embedded sliding groove on the front surface of the upper horizontal strip base plate (3), the upper clamping plate (53) is arranged at the ear plate component, and the ear plate component, the upper horizontal strip base plate (3) and the upper clamping plate (53) are clamped and installed together;
the rear end of the spandrel girder component is embedded in an embedded chute on the front surface of the lower cross bar substrate (4), the lower clamping plate (57) is arranged at the rear end of the spandrel girder component, and the spandrel girder component, the lower cross bar substrate (4) and the lower clamping plate (57) are clamped and installed together;
one end of the diagonal draw bar (54) is connected with the lug plate component in a mounting way, and the other end of the diagonal draw bar (54) is connected with the front end of the spandrel girder component in a mounting way;
the scaffold (2) is erected on bearing beam members of a plurality of groups of cable-stayed beam member combinations (5);
the ear plate component comprises an ear plate, a bottom plate and two screws; in the lug plate component, a bolt mounting hole is formed in the lug plate, the lug plate is fixed on the front surface of the bottom plate in a welding mode, and two screw rods are fixed on the front surface of the bottom plate in a welding mode; an ear plate via hole and two screw rod via holes are formed in the middle of the upper clamping plate (53);
the bottom plate of the ear plate member is embedded in the embedded chute on the front surface of the upper horizontal bar base plate (3), the front surface of the bottom plate of the ear plate member faces the notch of the embedded chute of the upper horizontal bar base plate (3), the back surface of the bottom plate of the ear plate member faces the bottom of the embedded chute of the upper horizontal bar base plate (3), the upper clamping plate (53) is arranged at the front surface of the bottom plate of the ear plate member, the back surface of the upper clamping plate (53) faces the front surface of the bottom plate of the ear plate member, the edge of the notch of the embedded chute of the upper horizontal bar base plate (3) is positioned between the back surface of the upper clamping plate (53) and the front surface of the bottom plate of the ear plate member, the ear plate of the ear plate member passes through the two screw rod through holes in the middle of the upper clamping plate (53), the two screw rods of the ear plate member respectively pass through the two screw rod through holes of the upper clamping plate (53) and are screwed on the screw rods of the ear plate member, and the screwed nuts force the upper clamping plate (53) and the bottom plate member together clamp the edge of the embedded chute of the upper horizontal bar base plate (3), so that the ear plate member, the upper clamping plate and the upper clamping plate (3) and the bottom plate are clamped together;
One end of the diagonal draw bar (54) is connected with the lug plate of the lug plate member through a bolt;
the spandrel girder component comprises a spandrel girder, a bottom plate, two screws and an ear plate; in the spandrel girder component, the front surface of the bottom plate is fixedly connected with the rear end of the spandrel girder in a welding mode, two screw rods are fixed on the front surface of the bottom plate in a welding mode, an ear plate is fixed on the upper surface of the front end of the spandrel girder in a welding mode, and a bolt mounting hole is formed in the ear plate; the middle part of the lower clamping plate (57) is provided with a spandrel girder via hole and two screw bolt via holes;
the bottom plate of the spandrel girder component is embedded in an embedded chute on the front surface of the lower cross beam substrate (4), the front surface of the bottom plate of the spandrel girder component faces the groove bottom of the embedded chute of the lower cross beam substrate (4), the back surface of the lower clamping plate (57) faces the front surface of the bottom plate of the spandrel girder component, the edge of the embedded chute slot of the lower cross beam substrate (4) is positioned between the back surface of the lower clamping plate (57) and the front surface of the bottom plate of the spandrel girder component, the spandrel girder of the spandrel girder component passes through two screw through holes in the middle of the lower clamping plate (57), two screws of the spandrel girder component respectively pass through two screw through holes of the lower clamping plate (57) and are screwed on the screws of the spandrel girder component by nuts, and the screwed nuts force the lower clamping plate (57) and the bottom plate of the spandrel girder component to jointly clamp the edge of the embedded chute of the lower cross beam substrate (4), so that the spandrel girder component, the lower cross beam substrate (4) and the lower clamping plate (57) are clamped together;
The other end of the diagonal draw bar (54) is connected with the lug plate at the front end of the spandrel girder component through a bolt.
2. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: the surface of the ear plate component clamped with the upper horizontal strip substrate (3) is a rough surface, and the surface of the upper clamping plate (53) clamped with the upper horizontal strip substrate (3) is a rough surface; the surface of the spandrel girder member clamped with the lower cross bar substrate (4) is a rough surface, and the surface of the lower clamping plate (57) clamped with the lower cross bar substrate (4) is a rough surface.
3. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: the diagonal draw bar (54) is a reverse double-thread telescopic bar.
4. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: the screw rod of the otic placode component is a hexagon head bolt, and the screw rod of the otic placode component is fixed on the front surface of the bottom plate of the otic placode component in a hexagon limit welding mode.
5. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: the screw rod of the spandrel girder component is a hexagon head bolt, and is fixed on the front surface of the bottom plate of the spandrel girder component in a hexagon limit welding mode.
6. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: the lug plate members in the inclined beam member combination (5) are straight lug plate members (51) or bent lug plate members (52), the spandrel beam members in the inclined beam member combination (5) are straight spandrel beam members (55) or bent spandrel beam members (56), the straight lug plate members (51) are installed in a matched mode with the straight spandrel beam members (55), and the bent lug plate members (52) are installed in a matched mode with the bent spandrel beam members (56).
7. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: a plurality of wing plates provided with bolt mounting holes are fixedly arranged at the upper side and the lower side of the upper horizontal strip substrate (3), and the wing plates are used for mounting and fixing the upper horizontal strip substrate (3); the upper side and the lower side of the lower horizontal strip base plate (4) are fixedly provided with a plurality of wing plates provided with bolt mounting holes, and the wing plates are used for mounting and fixing the lower horizontal strip base plate (4).
8. Basket type cantilever scaffold device based on embedded chute installation according to claim 1, characterized in that: the spandrel girder component is an I-shaped steel component.
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| CN202210667117.XA CN114892943B (en) | 2022-06-14 | 2022-06-14 | Basket type cantilever scaffold device based on embedded chute installation |
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| CN202210667117.XA CN114892943B (en) | 2022-06-14 | 2022-06-14 | Basket type cantilever scaffold device based on embedded chute installation |
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| CN114892943B true CN114892943B (en) | 2024-03-19 |
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