CN109537866B - Attached lifting scaffold and lifting method thereof - Google Patents
Attached lifting scaffold and lifting method thereof Download PDFInfo
- Publication number
- CN109537866B CN109537866B CN201811519925.1A CN201811519925A CN109537866B CN 109537866 B CN109537866 B CN 109537866B CN 201811519925 A CN201811519925 A CN 201811519925A CN 109537866 B CN109537866 B CN 109537866B
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- Prior art keywords
- wall
- rod
- scaffold
- prefabricated balcony
- support
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
-
- 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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to an attached lifting scaffold which comprises a frame body, wherein the frame body is connected with a prefabricated balcony through a wall attaching support and a hanging piece, an electric hoist is connected between the hanging piece and the wall attaching support, one end of a hoist chain of the electric hoist is hooked on the hanging piece, and the other end of the hoist chain passes through a guide assembly and the wall attaching support and then bypasses the guide assembly to be hung on the wall attaching support; a reinforcing component is arranged between the prefabricated balcony and the building wall body of the upper layer. The invention also discloses a hoisting method of the attached lifting scaffold, which comprises the following steps: s1, connecting an adjustable pull rod and a prefabricated balcony with a building wall; s2, connecting an electric hoist; s3, adjusting the length of the adjustable pull rod to enable the adjustable pull rod to be tensioned, and starting the electric hoist; s4, hooking the hoist chain on a wall-attached support on the upper layer of prefabricated balcony; s5, cycling the step S3 and the step S4. The invention has the advantages that falling articles can not influence the operation of the electric hoist in the process of hoisting the scaffold, thereby ensuring the stable operation of hoisting the scaffold in the vertical direction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an attached lifting scaffold and a lifting method thereof.
Background
The attached lifting scaffold is an external protection scaffold for high-rise buildings, which is called a climbing scaffold for short; the climbing and descending power equipment of the attached lifting scaffold mostly uses a loop chain hoist commonly called an electric hoist.
The prior lifting mechanism for the lifting scaffold, for example, chinese patent publication number CN206753012U discloses an attached lifting scaffold hanging lifting mechanism, which comprises a first sprocket set, a second sprocket set, a third sprocket set, an electric hoist, a wall-attached hanging seat, an adjusting basket bolt and a spring device, wherein the first sprocket set is fixed on a lower lifting point, and the second sprocket set is fixed on the wall-attached hanging seat; the third chain wheel group is connected with the wall-attached hanging seat through an adjusting flower basket bolt and a spring device. The lifting mechanism can realize the lifting of the scaffold in the vertical direction.
The prior art solutions described above have the following drawbacks: because this kind of hoist mechanism is in between building and the scaffold frame, when constructor is in when being under construction between scaffold frame and the building, have some article drop on electric block, cause the influence even influence electric block's working process to the calabash chain, and then influence the process of whole hoist and mount.
Disclosure of Invention
The invention aims to provide an attached lifting scaffold, which has the advantages that falling objects can not influence the operation of an electric hoist in the lifting process of the scaffold, so that the stable operation of lifting the scaffold in the vertical direction is ensured.
The invention also aims to provide a lifting method of the attached lifting scaffold, which has the advantages that falling objects can not influence the operation of the electric hoist in the lifting process of the scaffold, so that the scaffold can be lifted stably in the vertical direction.
One of the above objects of the present invention is achieved by the following technical solutions: the attached lifting scaffold comprises a frame body formed by connecting a plurality of frame body units, wherein each frame body unit comprises a main frame and supporting rods, guide rails are arranged between the supporting rods, the frame body is connected with a prefabricated balcony on the outer side of a building through a hoisting mechanism, the hoisting mechanism comprises a wall-attached support seat detachably connected with the outer side of the prefabricated balcony and a hanging piece connected with the guide rails, a lifting device for lifting the frame body is connected between the hanging piece and the wall-attached support seat, the lifting device comprises an electric hoist, a lifting bottom beam is arranged at the bottom of the bottommost frame body unit, a guide assembly for enabling a hoist chain of the electric hoist to pass through is arranged on the lifting bottom beam, one end of the hoist chain of the electric hoist is hooked on the hanging piece, and the other end of the hoist chain of the electric hoist passes through the guide assembly and the wall-attached support seat and then bypasses the guide assembly again to be hung on the wall-attached support seat;
the prefabricated balcony is characterized in that a length-adjustable reinforcing component is arranged between the prefabricated balcony and the building wall of the upper layer, the reinforcing component comprises a first lifting ring and a second lifting ring which are respectively connected with the building wall and the prefabricated balcony, and an adjustable pull rod with an adjustable length is connected between the first lifting ring and the second lifting ring.
Through adopting above-mentioned technical scheme, during the use, with attaching the wall support and dismantling and being connected on prefabricated balcony, then with electric block hook on the connecting piece, electric block's calabash chain is passed guide assembly and attaches the wall support back again and be connected with guide assembly, and electric block and the calabash chain length that promotes between the flounder are unchangeable, when electric block operation, attach the wall support and promote the calabash chain length that between the flounder promptly with guide assembly and shorten, realize the promotion of support body. In-process, because prefabricated balcony receives the decurrent power of calabash chain, the connected node is weaker between prefabricated balcony and the building wall body moreover, and the setting of strengthening subassembly can be with the lower floor pre-support balcony and the building wall body connection of upper strata, prevents that prefabricated balcony from receiving decurrent power and making prefabricated balcony and building wall body connected node department fracture. The arrangement of the adjustable pull rod enables the reinforcement assembly between the prefabricated balcony and the building wall to be tensioned so as to strengthen the connection of the reinforcement assembly.
The invention is further provided with: the adjustable pull rod comprises a first connecting rod and a second connecting rod which are connected with the first lifting ring and the second lifting ring through a first hook and a second hook respectively, a telescopic rod is connected between the first connecting rod and the second connecting rod in a positive and negative threaded manner, and two ends of the telescopic rod are connected with one end, close to each other, of the first connecting rod and the second connecting rod in an internal threaded manner.
Through adopting above-mentioned technical scheme, through twisting the telescopic link, and then change the distance between head rod and the second connecting rod to realize the tensioning of strengthening the subassembly between prefabricated balcony and the building wall body.
The invention is further provided with: reinforcing rods are arranged between the main frame and the supporting rods, and reinforcing rod pieces for connecting the frame body with the building wall are arranged between the upper building wall and the upper reinforcing rods.
Through adopting above-mentioned technical scheme, the setting of strengthening the member is connected building wall body and support body, reduces the support body and promotes the effort to prefabricated balcony in-process.
The invention is further provided with: the lifting bottom beam is arranged as a pair of channel steel with opposite notch, the guide assembly comprises a plurality of guide wheels rotationally connected with the channel steel, and the guide wheels are positioned between the pair of channel steel;
the guide wheels comprise a pair of first guide wheels positioned at two sides of the guide rail and a second guide wheel positioned between the first guide wheels and the prefabricated balcony, and the hoist chain is hung on the wall-attached support by bypassing the first guide wheels and the wall-attached support in sequence and bypassing the second guide wheels.
By adopting the technical scheme, the wall-attached support and the electric hoist are more labor-saving, the requirement on the electric hoist is lower, or substances with heavier weight can be hoisted, and the scaffold with heavier weight can be hoisted, namely the number of the scaffold body units can be increased, and more floors can be simultaneously constructed, so that the scaffold has important practical significance.
The invention is further provided with: the wall-attached support comprises a pair of first connecting pieces which are parallel to each other and a third connecting piece which is positioned between the guide rail and the first connecting pieces, wherein the first connecting pieces are detachably connected with the building wall through a detachable assembly, and the third connecting pieces are detachably connected with the guide rail;
a fourth connecting piece is further connected between the first connecting piece and the third connecting piece, and a cavity for a hoist chain to bypass is formed between the fourth connecting piece and the first connecting piece;
and a third guide wheel for the hoist chain to bypass is hung between the fourth connecting pieces through a hanging rod, and the hoist chain bypassing the first guide wheel bypasses the third guide wheel and then bypasses the second guide wheel and then passes through the cavity to be hooked on the fourth connecting pieces.
Through adopting above-mentioned technical scheme, the calabash chain that passes first leading wheel passes the third leading wheel, then bypasses the second leading wheel back hook in the cavity that fourth connecting piece and third connecting piece formed.
The invention is further provided with: the detachable assembly comprises bolts for detachably connecting the wall-attached support with the prefabricated balcony.
Through adopting above-mentioned technical scheme, easy operation is convenient, realizes moreover attaching the fixed and dismantlement of wall support and prefabricated balcony.
The invention is further provided with: the detachable assembly comprises a passive clamping assembly pre-buried in the prefabricated balcony and an active clamping assembly in sliding connection with the first connecting piece, the active clamping assembly comprises a clamping rod sleeved with the first connecting piece, one side, close to the prefabricated balcony, of the clamping rod is connected with a clamping strip, and one side, far away from the prefabricated balcony, of the clamping rod is connected with a push block;
the passive clamping assembly comprises a sleeve of a building wall body and an annular sheet connected in the sleeve, the annular sheet is provided with a slot for inserting the clamping strip and the clamping rod, and the sectional area of the slot is smaller than that of the annular sheet.
Through adopting above-mentioned technical scheme, during the use, promote the ejector pad towards being close to sleeve direction, the ejector pad drives the card strip and removes towards being close to sleeve direction, until passing the slot and being in sleeve protruding position, then rotate the joint pole for card strip and annular piece keep away from and attach wall support one side and closely laminate, carry out spacingly to the card strip, prevent that it from breaking away from with the sleeve. When the wall-attached support needs to be detached, the clamping rod is rotated, so that the clamping strip is separated from the slot, the sleeve is detachably connected with the wall-attached support, and further the wall-attached support and the building wall are rotationally clamped.
The invention is further provided with: the first connecting piece is a detachable channel steel with opposite notches, the clamping connection rod penetrates through the detachable channel steel, the pushing block is located between the detachable channel steel and the guide rail, the detachable channel steel is far away from one end of the sleeve and a spring is arranged between the pushing blocks, the spring is sleeved on the clamping connection rod, and the spring is fixedly connected with the pushing blocks.
Through adopting above-mentioned technical scheme, when promoting the ejector pad and will block the strip card in the slot, promote the ejector pad to keeping away from sleeve direction under the effect of spring, and then with card strip and annular piece contact more inseparabler.
The invention is further provided with: the scaffold further comprises a scaffold plate arranged below each layer of the scaffold body unit, the scaffold plate at the bottommost layer is arranged below the lifting bottom beam, the scaffold plate is arranged between the supporting rods and the main frame, a sealing plate is further arranged between the scaffold plate and the prefabricated balcony, the sealing plate comprises an auxiliary plate fixedly connected with the scaffold plate, a lapping plate is hinged to one side of the auxiliary plate, close to the prefabricated balcony, of the auxiliary plate, the lapping plate comprises a sloping plate hinged to the auxiliary plate and a suspension plate lapped on the upper end of the prefabricated balcony, and the suspension plate is integrally connected with the sloping plate.
Through adopting above-mentioned technical scheme, the setting of closing plate can prevent to have article to drop from the gap between scaffold board and the prefabricated balcony in the work progress to reduce the possibility that takes place casualties, the articulated scaffold board and the prefabricated balcony of subplate can communicate between, in the in-process that needs to rise the support body moreover, the swash plate can rotate to on the subplate, thereby can not influence the ascending process of support body.
The second object of the present invention is achieved by the following technical solutions: a hoisting method of an attached lifting scaffold comprises the following steps:
s1, hanging one end of an adjustable pull rod on a first hanging ring through a first hanging hook, and hanging the other end of the adjustable pull rod on a second hanging ring through a second hanging hook;
a wall-attached support is detachably connected to the prefabricated balcony of each layer corresponding to the guide rail;
s2, hooking one end of the electric hoist on the connecting piece, passing through the guide assembly and the wall-attached support, bypassing the guide assembly again, and then hooking the electric hoist on the wall-attached support;
s3, adjusting the length of an adjustable pull rod on a prefabricated balcony on a layer where a wall-attached support hung with a hoist chain is located, tensioning the adjustable pull rod, starting an electric hoist, enabling the whole frame to move upwards, and enabling the frame to move upwards to a designated place for construction;
s4, after the construction of the current layer is finished, when the frame body is required to be moved upwards continuously, separating the hoist chain from the wall-attached support connected with the hoist chain, then detaching the wall-attached support from the prefabricated balcony, and hooking one side of the hoist chain, which is far away from the connecting piece, on the wall-attached support on the upper layer of prefabricated balcony;
s5, circulating the step S3 and the step S4, and completing the construction of the prefabricated balcony of the whole building corridor.
Through adopting above-mentioned technical scheme, through adopting above-mentioned method, when lifting scaffold is under construction to prefabricated balcony, need not dismantle and assemble the electric block main part, only need with the calabash chain hook on the wall support that attaches of different floors can, easy operation is convenient, but also can prevent that there is article in the work progress from dropping in electric block's main part department, the operation to electric block influences, in addition, the setting of adjustable pull rod can prevent that prefabricated balcony from receiving decurrent power and making prefabricated balcony and building wall body connected node department fracture.
In summary, the beneficial technical effects of the invention are as follows:
1. the electric hoist and the guide assembly are arranged, so that the electric hoist is always arranged between the support rod and the main frame, and can not fall on the electric hoist when articles fall off, the falling articles can not influence the operation of the electric hoist in the process of hoisting the scaffold, and the scaffold is stably hoisted in the vertical direction;
2. the arrangement of the reinforcing component can connect the pre-supporting balcony at the lower layer with the building wall at the upper layer, so that the prefabricated balcony is prevented from being subjected to downward force to crack at the joint of the prefabricated balcony and the building wall;
3. the arrangement of the adjustable pull rod enables the reinforcement component between the prefabricated balcony and the building wall to be tensioned so as to strengthen the connection of the reinforcement component;
4. the wall-attached support is detachably connected with the prefabricated balcony and the guide rail respectively, so that the electric hoist does not need to be disassembled and assembled all the time in the lifting process of the frame body, and only the hoist chain is wound around the wall-attached support on the outer side of different building floors, the detachable connection of the wall-attached support enables the wall-attached support on the upper layer not to influence the lifting process of the next layer, and the limiting assembly can limit the lifted frame body and prevent the lifted frame body from falling;
5. the sealing plate can prevent articles from falling from gaps between the scaffold plate and the prefabricated balcony in the construction process, so that the possibility of casualties is reduced;
6. the hinged connection of the auxiliary plate and the inclined plate can be used for communicating the scaffold plate with the prefabricated balcony, and the inclined plate can be rotated to the auxiliary plate in the process of lifting the frame body, so that the lifting process of the frame body is not affected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram showing the connection relationship between a building wall and a frame body according to the present invention;
FIG. 3 is a schematic view of a track embodying the present invention;
FIG. 4 is a schematic view of a guide assembly embodying the present invention;
FIG. 5 is a schematic view of a wall mount embodying the present invention;
FIG. 6 is a schematic view of a spring embodying the present invention;
FIG. 7 is a schematic view of a removable assembly embodying the present invention;
FIG. 8 is a schematic diagram showing the connection relationship between a prefabricated balcony and a frame according to the present invention;
fig. 9 is a schematic view of an adjustable tie rod embodying the present invention.
In the figure, 1, a frame body; 11. a main frame; 12. a support rod; 121. a guide rail; 1211. connecting channel steel; 1212. a track; 13. a scaffold plate; 14. a sealing plate; 141. a sub-plate; 142. a lapping plate; 1421. a sloping plate; 1422. a hanging plate; 15. a reinforcing rod; 2. a hoisting mechanism; 21. a wall-attached support; 211. a first connector; 212. a second connector; 213. a third connecting member; 214. a fourth connecting member; 215. a cavity; 216. a third guide wheel; 22. a hanging piece; 23. a lifting device; 24. an electric hoist; 241. a gourd body; 242. a hoist chain; 25. a limit component; 3. lifting the bottom beam; 31. a first channel steel; 32. a guide assembly; 321. a guide wheel; 3211. a first guide wheel; 3212. a second guide wheel; 322. a rotating shaft; 323. a wheel body; 3231. a guide groove; 324. a plug pin; 33. a partition plate; 4. a detachable assembly; 41. a passive clamping assembly; 411. a sleeve; 412. an annular sheet; 4121. a receiving groove; 4122. a positioning block; 413. a slot; 42. an active clamping assembly; 421. a clamping rod; 422. clamping strips; 423. a pushing block; 424. a spring; 425. a reinforcing block; 5. a detachable connection; 51. a connecting sheet; 52. angle steel; 53. a reinforcing wheel; 54. a reinforcing sheet; 6. a bolt; 7. prefabricating a balcony; 8. a reinforcement assembly; 81. a first hanging ring; 82. the second hanging ring; 83. an adjustable tie rod; 831. a first hook; 832. a second hook; 833. a first connecting rod; 834. a second connecting rod; 835. a telescopic rod; 9. building wall.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1 and 2, the attached lifting scaffold disclosed by the invention comprises a frame body 1 positioned at the outer side of a building wall 9 and a lifting mechanism 2 for lifting the scaffold, wherein the frame body 1 is formed by connecting a plurality of frame body units, each frame body unit comprises a main frame 11 and support rods 12 arranged between the main frame 11 and the building wall 9, and in combination with fig. 3, guide rails 121 arranged in the vertical direction are arranged between adjacent support rods 12, and each lifting mechanism 2 comprises a plurality of wall attaching supports 21 and hanging pieces 22 fixedly connected with the guide rails 121. The wall-attached support 21 is detachably connected with the building wall 9 through the detachable component 4 on one side and the guide rail 121 through the detachable connecting piece 5 on the other side.
The lifting device 23 used for lifting the frame body 1 is arranged between the hanging piece 22 and the wall-attached support 21, the lifting device 23 comprises an electric hoist 24, two ends of the electric hoist 24 are respectively connected with the wall-attached support 21 and the hanging piece 22, the electric hoist 24 comprises a hoist body 241 and a hoist chain 242, a lifting bottom beam 3 is arranged at the bottom of a unit of the bottommost frame body 1, a guide component 32 used for the hoist chain 242 to pass through is arranged on the lifting bottom beam 3, one end of the electric hoist 24 is hung on the hanging piece 22, and the other end of the hoist chain 242 bypasses the guide component 32 to be finally detachably connected with the wall-attached support 21. The wall-attached support 21 is also connected with a limiting component 25 for limiting the upward movement of the rear frame body 1.
When in use, the wall-attached support 21 is detachably connected to the building wall 9, one end of the electric hoist 24 is hooked on the hanging piece 22, and the other end of the hoist chain 242 sequentially passes through the guide component 32 to be finally hooked on the wall-attached support 21. When the electric hoist 24 works, the wall attaching support 21 is fixed with the wall, when the electric hoist 24 works and winds the contracted hoist chain 242, the length of the hoist chain 242 between the electric hoist 24 and the wall attaching support 21 is reduced, and the distance between the wall attaching support 21 and the electric hoist 24 and the lifting bottom beam 3 is unchanged, so that the length of the hoist chain 242 between the hanging piece 22 and the lifting bottom beam 3 is reduced, the whole bracket and the electric hoist 24 are lifted upwards, the electric hoist 24 is always positioned between the supporting rod 12 and the main frame 11, and the electric hoist 24 cannot be dropped when articles fall, so that the falling articles cannot influence the operation of the electric hoist 24 in the process of lifting the scaffold, and the scaffold is ensured to be lifted stably in the vertical direction.
The setting of detachable component 4 and detachable connecting piece 5 makes and attaches wall support 21 and guide rail 121 and building wall 9 all can dismantle and be connected, when the layer construction is finished the back and need upwards hoist and mount support 1, dismantle with attaching wall support 21, then twine hoist chain 242 on the wall support 21 of last layer, through the length of hoist chain 242 between the wall support 21 of change last layer and the promotion sill beam 3, rise support 1 for in the support 1 rise the in-process, all the time need not dismouting electric hoist 24, only need twine hoist chain 242 around the wall support 21 of different building floor outsides can, and attach wall support 21's detachable connection makes the wall support 21 of last layer can not influence the hoist and mount process of next floor, spacing subassembly 25's setting can realize spacing to hoist and mount back support 1, prevent its purpose that falls.
As shown in fig. 4, the guide rail 121 includes connection channels 1211 on both sides and a track 1212 between the connection channels 1211. Referring to fig. 4, the lifting bottom beam 3 is a pair of first channel steel 31 with opposite notches, the guide assembly 32 includes a plurality of guide wheels 321 rotatably connected with the pair of first channel steel 31 and through which the hoist chain 242 passes, the guide wheels 321 include a wheel body 323 rotatably connected with the channel steel on both sides through a rotating shaft 322, and a plurality of guide grooves 3231 for the hoist chain 242 to roll are formed in the wheel body 323. One side of the rotating shaft 322 far away from each other is fixed through the bolt 324, so that when the hoist chain 242 rolls in the guide groove 3231, the wheel body 323 and the rotating shaft 322 move in a dislocation manner, and the rolling of the hoist chain 242 is affected.
The guide wheels 321 comprise a pair of first guide wheels 3211 positioned on two sides of the support rod 12 and second guide wheels 3212 positioned at the end heads of the channel steel, the second guide wheels 3212 are positioned between the first guide wheels 3211 and the building, and the first guide wheels 3211 and the second guide wheels 3212 are separated by a partition plate 33. The hoist chain 242 is wound sequentially through the first guide wheel 3211 and the wall-attached support 21, then is wound in a rolling way through the second guide wheel 3212, and then is wound back to the wall-attached support 21 again to be hooked on the wall-attached support 21. The arrangement is equivalent to multi-cycle half-turn of the hoist chain 242, so that the scaffold with heavier mass can be lifted, the number of units of the scaffold body 1 can be increased, and more floors can be simultaneously constructed, so that the scaffold has important practical significance.
As shown in fig. 5, the wall-attached support 21 includes a pair of first connectors 211 detachably connected to the building wall 9 and a second connector 212 between the first connectors 211, the first connectors 211 are connected to the connecting channel 1211 through third connectors 213, fourth connectors 214 are provided between the third connectors 213 and the first connectors 211, a cavity 215 for bypassing a hoist chain 242 is formed between the fourth connectors 214 and the first connectors 211, and a third guide wheel 216 for bypassing the hoist chain 242 is suspended between the pair of fourth connectors 214 through a suspension rod, and in combination with fig. 3, the hoist chain 242 bypassing the first guide wheel 3211 bypasses the third guide wheel 216 and then bypasses the second guide wheel 3212 to be hooked on the fourth connectors 214 through the cavity 215.
The above-mentioned limiting component 25 is disposed between the third connecting member 213 and the guide rail 121, and the principle of the limiting component 25 may refer to the limiting component 25 for limiting the lifting rear frame body 1 in the attached lifting scaffold and the construction method thereof disclosed in the application publication number CN107476561a, which is not described in detail in the present invention.
The detachable connecting piece 5 comprises a connecting piece 51 positioned between the third connecting piece 213 and the connecting channel 1211 and angle steel 52 arranged at the notch of the connecting channel 1211, the connecting piece 51 extends towards the direction away from each other and is detachably connected with the angle steel 52 through a bolt 6, the connecting piece 51 is fixedly connected with the third connecting piece 213, and the angle steel 52 is fixedly connected with the connecting channel 1211.
The connecting channel steel 1211 is also abutted with a reinforcing wheel 53, the reinforcing wheel 53 is fixedly connected with the angle steel 52 through a bolt 6, and the reinforcing wheel 53 is arranged to strengthen the strength of the connecting node of the angle steel 52 and the connecting channel steel 1211. A triangular reinforcing sheet 54 is arranged between the connecting sheet 51 and the third connecting sheet 51, the reinforcing sheet 54 is fixedly connected with the connecting sheet 51 and is abutted against the third connecting sheet 51, a triangular reinforcing sheet 54 is fixedly connected between the angle steels 52, and the strength of the connecting sheet 51, the third connecting piece 213 and the angle steels 52, especially the strength of the connecting joint is increased by the triangular reinforcing sheet 54.
Referring back to fig. 2, the detachable assembly 4 includes a bolt 6 for detachably connecting the first connector 211 of the wall mount 21 to the balcony of the building. In the present invention, the first connecting member 211, the second connecting member 212 and the third connecting member 213 may be configured as a common connecting plate, or may be configured as a channel steel, and the channel steel is preferably configured as a channel steel because the channel steel has wide application and easily available materials in the building construction.
Not limited to the above-mentioned scheme, as shown in fig. 6 and 7, the detachable component 4 includes a passive clamping component 41 pre-buried in the building wall 9 and an active clamping component 42 slidingly connected with the first connector 211, and the detachable connection between the wall-attached support 21 and the building wall 9 is realized by rotating and clamping between the active clamping component 42 and the passive clamping component 41.
As shown in fig. 6 and 7, the passive clamping assembly 41 includes a sleeve 411 embedded in the building wall 9 and an annular piece 412 connected in the sleeve 411, wherein one end of the sleeve 411, far away from the wall-attached support 21, is embedded in the building wall 9 in an outward protruding manner, the annular piece 412 is provided with a vertical slot 413, and the annular piece 412 is located at the protruding position of the sleeve 411. The active clamping assembly 42 comprises a clamping rod 421 sleeved on the first connecting piece 211, wherein one side of the clamping rod 421 close to the sleeve 411 is fixedly connected with a clamping strip 422 which can be inserted into the slot 413, and one side of the clamping rod 421 far away from the sleeve 411 is fixedly connected with a pushing block 423. When in use, the push block 423 is pushed towards the direction close to the sleeve 411, the push block 423 drives the clamping strip 422 to move towards the direction close to the sleeve 411 until the clamping strip 422 passes through the slot 413 and is positioned at the protruding part of the sleeve 411, and then the clamping rod 421 is rotated, so that the clamping strip 422 and the annular piece 412 are tightly attached to one side far away from the wall-attached support 21, and the clamping strip 422 is limited to prevent the clamping strip 422 from being separated from the sleeve 411. When the wall-attached support 21 needs to be detached, the clamping rod 421 is rotated, so that the clamping strip 422 is separated from the slot 413, detachable connection of the sleeve 411 and the wall-attached support 21 is realized, and further, rotary clamping connection of the wall-attached support 21 and the building wall 9 is realized.
The first connecting piece 211 can be a pair of groove openings of the detachable channel steel which are opposite, when the first connecting piece 211 is the detachable channel steel, the clamping connection rod 421 penetrates through the detachable channel steel, the pushing block 423 is located between the detachable channel steel and the guide rail 121, a spring 424 is arranged between one end of the detachable channel steel, which is far away from the sleeve 411, and the detachable channel steel, the spring 424 is sleeved on the clamping connection rod 421, one end of the spring 424 is fixedly connected with the pushing block 423, when the pushing block 423 is pushed to clamp the clamping strip 422 in the slot 413, the pushing block 423 is pushed to the direction, which is far away from the sleeve 411, under the action of the spring 424, and then the clamping strip 422 is in closer contact with the annular piece 412.
Further, as shown in fig. 7, a receiving groove 4121 for placing the clamping bar 422 is formed on one side of the annular piece 412 away from the first connecting piece 211, a certain distance is provided between the receiving groove 4121 and the slot 413, and when in use, the clamping bar 421 and the clamping bar 422 penetrate through the slot 413 and rotate until the clamping bar 422 is positioned in the receiving groove 4121, so that the clamping bar 422 is further clamped firmly, and is prevented from rotating and separating from the sleeve 411.
To facilitate insertion of the card 422 into the slot 413, the inner diameter of the slot 413 of the ring segment 412 is gradually increased in a direction approaching the first connector 211. As shown in fig. 7, when the wall-attached support 21 is detached, in order to more conveniently pull out the card strip 422 from the slot 413, a positioning block 4122 is fixedly connected to the side of the ring-shaped piece 412 away from the first connecting piece 211, one end of the positioning block 4122 is on the same plane with the slot wall of the slot 413 portion through which the card strip 422 passes, and the accommodating groove 4121 is between the positioning block 4122 and the slot 413. During the use, pass bayonet socket 413 and card strip 422 and rotate, card strip 422 and annular piece 412 keep away from the inseparable tight of first connecting piece 211 one side, when need pull out after rotatory card strip 422, the setting up of locating piece 4122 makes can direct rotation bayonet socket 421 until card strip 422 and fixed block butt, at this moment, card strip 422 aligns with slot 413, and direct pull out can, more simple and convenient when dismantling.
In order to enhance the strength of the clamping rod 421 at the position of the detachable channel steel, the detachable assembly further comprises a reinforcing block (not shown in the figure) positioned in the detachable channel steel, the reinforcing block is tightly attached to the inner wall of the detachable channel steel, and the reinforcing block is slidably sleeved on the clamping rod 421.
Referring back to fig. 2 and 3, the scaffold further comprises a scaffold plate 13 disposed below each layer of the frame body unit, the scaffold plate 13 at the bottommost layer is disposed below the lifting bottom beam 3, the scaffold plate 13 is disposed between the supporting rods 12 and the main frame 11, a sealing plate 14 is further disposed between the scaffold plate 13 and the building wall 9, the sealing plate 14 comprises an auxiliary plate 141 fixedly connected with the scaffold plate 13, one side of the auxiliary plate 141, close to the building wall 9, is hinged with a lapping plate 142, the lapping plate 142 comprises a sloping plate 1421 hinged with the auxiliary plate 141 and a suspension plate 1422 lapped at the upper end of the building wall 9, and the suspension plate 1422 is integrally connected with the sloping plate 1421. The setting of closing plate 14 can prevent that there is article to drop from the gap between scaffold board and the building wall 9 in the work progress to reduce the possibility that takes place casualties, the articulated scaffold board that can communicate between scaffold board and the building wall 9 of subplate 141 and swash plate 1421, in the in-process that needs to rise support body 1 moreover, swash plate 1421 can rotate to on the subplate 141, thereby can not influence the process that support body 1 risen.
Example 2
As shown in fig. 8, the attached lifting scaffold is different from the embodiment 1 in that a balcony is usually provided in a building during construction, so that a prefabricated balcony 7 is provided on a portion of a wall surface of the building, and in order to facilitate construction at the prefabricated balcony 7, in this embodiment, a wall attaching support 21 is detachably connected to a side of the prefabricated balcony 7 adjacent to the scaffold through a detachable assembly 4. When the wall-attached support 21 is connected with the prefabricated balcony 7, and the scaffold needs to be lifted, the length of a hoist chain 242 between the electric hoist 24 and the lifting bottom beam 3 is unchanged, and the length of the hoist chain 242 between the wall-attached support 21 connected with the prefabricated balcony 7 and the lifting bottom beam 3 is reduced, so that the frame body 1 is driven to ascend.
In-process, because prefabricated balcony 7 receives the decurrent power of hoist chain 242, and connect the node weak between prefabricated balcony 7 and the building wall 9, so be provided with length adjustable reinforcing component 8 between prefabricated balcony 7 and the building wall 9 of upper strata, combine fig. 9, reinforcing component 8 includes first rings 81 and second rings 82 that are connected with building wall 9 and prefabricated balcony 7 each other near one side respectively, be connected with length adjustable pull rod 83 between first rings 81 and the second rings 82, adjustable pull rod 83 includes first connecting rod 833 and the second connecting rod 834 that are connected with first rings 81 and second rings 82 through first couple 831 and second couple 832 respectively, positive and negative threaded connection has telescopic link 835 between first connecting rod 833 and the second connecting rod 834, telescopic link 835 both ends and the one end internal thread connection that first connecting rod 833 and second connecting rod 834 are close to each other. The arrangement of the reinforcing component 8 can connect the lower pre-supporting balcony with the upper building wall 9, and prevent the prefabricated balcony 7 from being subjected to downward force so as to crack the joint of the prefabricated balcony 7 and the building wall 9. The arrangement of the adjustable tie 83 tightens the reinforcement 8 between the prefabricated balcony 7 and the building wall 9 to strengthen the connection.
Further, referring back to fig. 8, a reinforcing rod 15 is further disposed between the main frame 11 and the supporting rod 12, an adjustable pull rod 83 is also connected between the upper layer building wall 9 and the upper layer reinforcing rod 15, and the adjustable pull rod 83 and the building wall 9 are connected with the reinforcing rod 15 through screws, so that the frame body 1 and the building wall 9 can be connected more tightly, a triangle is formed between the two adjustable pull rods 83 and the scaffold, the structure is more stable, and the force for prefabricating the balcony 7 when the scaffold is lifted is weakened.
A hoisting method of an attached lifting scaffold comprises the following steps:
s1, one end of an adjustable pull rod 83 is hung on a first hanging ring 81 through a first hook 831, and the other end of the adjustable pull rod is hung on a second hanging ring 82 through a second hook 832;
a wall-attached support 21 is detachably connected to the prefabricated balcony 7 of each layer corresponding to the guide rail 121;
s2, one end of the electric hoist 24 is hooked on the hanging piece 22, and the other end passes through the guide assembly 32 and the wall-attached support 21 and then bypasses the guide assembly 32 again to be hooked on the wall-attached support 21;
s3, adjusting the length of an adjustable pull rod 83 on the prefabricated balcony 7 on the layer where the wall-attached support 21 hung with the hoist chain 242 is located, tensioning the adjustable pull rod, starting the electric hoist 24, enabling the whole frame body 1 to move upwards, and enabling the frame body 1 to move upwards to a designated place for construction;
s4, after the construction of the current layer is finished, when the frame body 1 needs to be moved upwards continuously, separating the hoist chain 242 from the wall-attached support 21 connected with the hoist chain, then detaching the wall-attached support 21 from the prefabricated balcony 7, and hooking one side, away from the hanging piece 22, of the hoist chain 242 on the wall-attached support 21 on the upper layer of prefabricated balcony 7;
s5, circulating the step S3 and the step S4, and completing the construction of the prefabricated balcony 7 of the whole building corridor.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (6)
1. The utility model provides an attached lifting scaffold, includes support body (1) that is formed by the connection of a plurality of support body (1) unit, and support body (1) unit includes main frame (11) and bracing piece (12), be provided with guide rail (121), characterized by between bracing piece (12): the lifting device (23) used for lifting the frame body (1) is connected with a prefabricated balcony (7) on the outer side of a building wall body (9) through a lifting mechanism (2), the lifting mechanism (2) comprises a wall attaching support (21) detachably connected with the outer side of the prefabricated balcony (7) and a hanging piece (22) connected with a guide rail (121), a lifting device (23) used for lifting the frame body (1) is connected between the hanging piece (22) and the wall attaching support (21), the lifting device (23) comprises an electric hoist (24), a lifting bottom beam (3) is arranged at the bottom of a bottommost frame body (1), a guide component (32) used for enabling a hoist chain (242) of the electric hoist (24) to penetrate is arranged on the lifting bottom beam (3), one end of the hoist chain (242) of the electric hoist (24) is hooked on the hanging piece (22), and the other end of the hoist chain (242) penetrates through the guide component (32) and the wall attaching support (21) and then bypasses the guide component (32) again to hang on the wall attaching support (21);
a length-adjustable reinforcing component (8) is arranged between the prefabricated balcony (7) and the building wall (9) on the upper layer, the reinforcing component (8) comprises a first hanging ring (81) and a second hanging ring (82) which are respectively connected with the building wall (9) and the prefabricated balcony (7), and an adjustable pull rod (83) with adjustable length is connected between the first hanging ring (81) and the second hanging ring (82);
the adjustable pull rod (83) comprises a first connecting rod (833) and a second connecting rod (834) which are connected with the first hanging ring (81) and the second hanging ring (82) through a first hook (831) and a second hook (832), a telescopic rod (835) is connected between the first connecting rod (833) and the second connecting rod (834) in a positive and negative threaded manner, and two ends of the telescopic rod (835) are connected with one end, close to the first connecting rod (833) and the second connecting rod (834), of each other in an internal threaded manner; a reinforcing rod (15) is arranged between the main frame (11) and the supporting rod (12), a reinforcing rod piece for connecting the frame body (1) with the building wall body (9) is arranged between the upper building wall body (9) and the upper reinforcing rod (15), and the reinforcing rod piece is an adjustable pull rod (83);
the wall-attached support (21) comprises a pair of first connecting pieces (211) which are parallel to each other, one side of the wall-attached support (21) is detachably connected with the building wall (9) through the detachable component (4), and the other side of the wall-attached support is detachably connected with the guide rail (121) through the detachable connecting piece (5);
the detachable assembly (4) comprises a passive clamping assembly (41) embedded in the prefabricated balcony (7) and an active clamping assembly (42) connected with the first connecting piece (211) in a sliding mode, the active clamping assembly (42) comprises a clamping rod (421) sleeved with the first connecting piece (211), one side, close to the prefabricated balcony (7), of the clamping rod (421) is connected with a clamping strip (422), and one side, far away from the prefabricated balcony (7), of the clamping rod (421) is connected with a pushing block (423);
the passive clamping assembly (41) comprises a sleeve (411) pre-buried in a building wall (9) and an annular piece (412) connected with the inner wall of the sleeve (411), the annular piece (412) is provided with a slot (413) for inserting the clamping strip (422) and the clamping rod (421), and the sectional area of the slot (413) is smaller than that of the annular piece (412);
the inner diameter of the slot (413) on the annular piece (412) gradually increases along the direction approaching the first connecting piece (211); one side of the annular piece (412) far away from the first connecting piece (211) is fixedly connected with a positioning block (4122), and one end of the positioning block (4122) is positioned on the same plane with the groove wall of the slot (413) part through which the clamping strip (422) passes;
the scaffold further comprises a scaffold plate (13) arranged below each layer of the scaffold body (1) unit, the scaffold plate (13) at the bottommost layer is arranged below the lifting bottom beam (3), the scaffold plate (13) is arranged between the supporting rods (12) and the main frame (11), a sealing plate (14) is further arranged between the scaffold plate (13) and the prefabricated balcony (7), the sealing plate (14) comprises an auxiliary plate (141) fixedly connected with the scaffold plate (13), the auxiliary plate (141) is hinged with a lapping plate (142) close to one side of the prefabricated balcony (7), and the lapping plate (142) comprises an inclined plate (1421) hinged with the auxiliary plate (141) and a suspension plate (1422) lapped at the upper end of the prefabricated balcony (7), and the suspension plate (1422) is integrally connected with the inclined plate (1421).
2. An attached lift scaffold as in claim 1, wherein: the lifting bottom beam (3) is arranged as a pair of channel steel with opposite notches, the guide assembly (32) comprises a plurality of guide wheels (321) rotationally connected with the channel steel, and the guide wheels (321) are positioned between the pair of channel steel;
the guide wheels (321) comprise a pair of first guide wheels (3211) arranged on two sides of the guide rail (121) and a second guide wheel (3212) arranged between the first guide wheels (3211) and the prefabricated balcony (7), and the hoist chain (242) is hung on the wall-attached support (21) by bypassing the second guide wheels (3212) after bypassing the first guide wheels (3211) and the wall-attached support (21) in sequence.
3. An attached lift scaffold as in claim 2, wherein: the wall-attached support (21) comprises a third connecting piece (213) positioned between the guide rail (121) and the first connecting piece (211), the first connecting piece (211) is detachably connected with the building wall (9) through a detachable component (4), and the third connecting piece (213) is detachably connected with the guide rail (121);
a fourth connecting piece (214) is further connected between the first connecting piece (211) and the third connecting piece (213), and a cavity (215) for a hoist chain (242) to bypass is formed between the fourth connecting piece (214) and the first connecting piece (211);
and a third guide wheel (216) for the hoist chain (242) to bypass is hung between the fourth connecting pieces (214) through a hanging rod, and the hoist chain (242) bypassing the first guide wheel (3211) bypasses the third guide wheel (216) and then bypasses the second guide wheel (3212) and then passes through the cavity (215) to be hooked on the fourth connecting pieces (214).
4. An attached lift scaffold as in claim 3 wherein: the detachable assembly (4) comprises a bolt (6) for detachably connecting the wall-attached support (21) with the prefabricated balcony (7).
5. An attached lift scaffold as in claim 1, wherein: the first connecting piece (211) is a detachable channel steel with opposite notches, the clamping connection rod (421) penetrates through the detachable channel steel, the pushing block (423) is located between the detachable channel steel and the guide rail (121), the detachable channel steel is far away from one end of the sleeve (411) and a spring (424) is arranged between the pushing blocks (423), the spring (424) is sleeved on the clamping connection rod (421), and the spring (424) is fixedly connected with the pushing blocks (423).
6. A method of lifting an attached lifting scaffold as claimed in any one of claims 1 to 5, comprising the steps of:
s1, one end of an adjustable pull rod (83) is hung on a first hanging ring (81) through a first hook (831), and the other end of the adjustable pull rod is hung on a second hanging ring (82) through a second hook (832); a wall-attached support (21) is detachably connected to the prefabricated balcony (7) of each layer corresponding to the guide rail (121);
s2, one end of the electric hoist (24) is hooked on the hanging piece (22), and the other end of the electric hoist passes through the guide assembly (32) and the wall-attached support (21) and then bypasses the guide assembly (32) again to be hooked on the wall-attached support (21);
s3, an adjustable pull rod (83) on a prefabricated balcony (7) hung with a wall-attached support (21) provided with a hoist chain (242) on a layer
Adjusting the length to tighten the frame, starting an electric hoist (24) to enable the whole frame body (1) to move upwards, and enabling the frame body (1) to move upwards to a designated place for construction;
s4, after the construction of the current layer is finished, when the frame body (1) needs to be moved upwards continuously, separating the hoist chain (242) from the wall-attached support (21) connected with the hoist chain, then detaching the wall-attached support (21) from the prefabricated balcony (7), and hooking one side, away from the hanging piece (22), of the hoist chain (242) on the wall-attached support (21) on the prefabricated balcony (7) of the previous layer;
s5, circulating the step S3 and the step S4, and completing the construction of the prefabricated balcony (7) of the whole building corridor.
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| CN201811519925.1A CN109537866B (en) | 2018-12-12 | 2018-12-12 | Attached lifting scaffold and lifting method thereof |
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| CN201811519925.1A CN109537866B (en) | 2018-12-12 | 2018-12-12 | Attached lifting scaffold and lifting method thereof |
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| CN109537866B true CN109537866B (en) | 2023-07-18 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110043020A (en) * | 2019-05-05 | 2019-07-23 | 上海建工一建集团有限公司 | A kind of light-duty self-crawling type shielding frame system and its construction method |
| CN110158940A (en) * | 2019-05-09 | 2019-08-23 | 上海建工一建集团有限公司 | The telescopic foot palm and construction method of skyscraper protective frame obstacle avoidance object |
| CN110700546B (en) * | 2019-10-10 | 2020-10-02 | 广东博智林机器人有限公司 | Automatic climbing truss and top leveling device thereof |
| CN111236613A (en) * | 2020-02-16 | 2020-06-05 | 河南中之正工程技术研究院有限公司 | Protection platform for building construction and use method thereof |
| CN111877729A (en) * | 2020-07-21 | 2020-11-03 | 上海建工二建集团有限公司 | Attached lifting scaffold |
| CN112096049B (en) * | 2020-09-17 | 2022-02-08 | 四川大太阳建筑科技有限公司 | Construction method of building outer wall climbing frame wall connecting piece |
| CN113863651B (en) * | 2021-10-18 | 2022-09-23 | 中国建筑第八工程局有限公司 | Can have enough to meet need and exempt from pre-buried climbing frame and attach wall support |
| CN115217319B (en) * | 2022-07-29 | 2023-11-03 | 中国建筑第二工程局有限公司 | High-altitude replacement construction method for attached lifting scaffold |
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