CN114457789A - Bored pile steel reinforcement cage mounting platform - Google Patents
Bored pile steel reinforcement cage mounting platform Download PDFInfo
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- CN114457789A CN114457789A CN202210212255.9A CN202210212255A CN114457789A CN 114457789 A CN114457789 A CN 114457789A CN 202210212255 A CN202210212255 A CN 202210212255A CN 114457789 A CN114457789 A CN 114457789A
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 118
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 110
- 239000010959 steel Substances 0.000 title claims abstract description 110
- 238000009434 installation Methods 0.000 claims abstract description 40
- 210000003205 muscle Anatomy 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 description 31
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 208000004350 Strabismus Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Abstract
The invention discloses a bored pile reinforcement cage installation platform, which comprises a lower support plate, at least three groups of adjusting and supporting devices, at least three groups of vertical driving devices, an upper support plate, at least three groups of positioning devices and a hanging rib, wherein the lower support plate is placed on the ground and provided with a central hole, the at least three groups of adjusting and supporting devices are fixed on the upper surface of the lower support plate, the upper support plate is arranged above the lower support plate and supported by the adjusting and supporting devices, the at least three groups of positioning devices are arranged on the upper surface of the upper support plate, the lower end of the hanging rib is welded with a main rib at the top end of a reinforcement cage, the center of the upper support plate is provided with a connecting hole, the central hole, the connecting hole and the reinforcement cage are concentric, the hanging rib extends out of the connecting hole, the inner end of each positioning device is connected with the upper end of the hanging rib, the vertical driving devices can adjust the levelness of the reinforcement cage through the upper support plate and the positioning devices, and the position of the adjusting and supporting devices on the upper support plate can be adjusted. This bored pile steel reinforcement cage mounting platform need not to utilize the annular hoop to provide the counter-force, will be low relatively to ground roughness to convenient and steel reinforcement cage elevation adjustment.
Description
Technical Field
The invention relates to the technical field of pile foundation reinforcement cage construction, in particular to a bored pile reinforcement cage installation platform.
Background
Along with the rapid development of cities, the bridge construction is rapidly increased, the proportion of large bridges is increased day by day, and the diameter and the depth of a pile foundation are also continuously increased. There are several ways in the installation of bored pile cages at present:
the method comprises the following steps: two sectional materials directly penetrate through the steel reinforcement cage sectional materials and are directly supported on the steel casing to fix the steel reinforcement cage; secondly, the following steps: the sleeper is fixed with a reinforcement cage in a sectional material penetrating mode. In the installation mode of the steel reinforcement cage, a larger section bar needs to be selected to penetrate into the steel reinforcement cage stirrup for fixing in the construction process, so that the operation is inconvenient, and the safety factor is low; the accuracy of the reinforcement cage is greatly influenced in the installation process of the reinforcement cage, and the installation position is not easy to adjust; the counter-force action point is little, and the atress is concentrated, probably leads to the steel reinforcement cage to take place to squint or sink the installation quality that can direct influence steel reinforcement cage in the installation to in case take place to squint or sink and hardly correct the processing, increased the construction degree of difficulty of workman in the steel reinforcement cage installation, still can additionally increase the cost, extension construction cycle.
In the drilling pile reinforcement cage installation platform in the prior art, a bolt and a reinforcement cage annular stirrup are arranged, the bolt provides counter force through the reinforcement cage annular stirrup, and the requirements on the diameter of the annular stirrup and the welding quality are high; the steel plate clamps are large in number, easily collide with the main reinforcement positions of the reinforcement cage, and are inconvenient to install and operate; the drilling pile needs to be over-grouted by 0.5-1 m when concrete is poured, when the reinforcement cage is installed and fixed, a fixing tool needs to penetrate into the reinforcement cage, a bolt can be buried in the concrete, the positions of a protective cylinder and an installation platform conflict, and operation is difficult; the steel reinforcement cage is directly placed on the ground, the height cannot be adjusted, the requirement on the flatness of the ground is high, if the ground is uneven, the elevation of the top surface of the mounting platform is not uniform, and the perpendicularity of the steel reinforcement cage cannot be guaranteed; the operation of the height and elevation adjusting process of the steel reinforcement cage is inconvenient, the height of the clamping plate is consistent, other support pads are required to be used for adjusting the elevation adjustment, and the elevation adjustment is required to be adjusted repeatedly.
In summary, how to effectively solve the problems of high difficulty in connecting and adjusting a reinforcement cage is an urgent need for those skilled in the art.
Disclosure of Invention
The invention aims to provide a bored pile reinforcement cage installation platform which does not need to provide counterforce by using annular stirrups, has relatively low ground flatness and is convenient to adjust the elevation of a reinforcement cage.
In order to solve the technical problems, the invention provides the following technical scheme:
a bored pile steel reinforcement cage installation platform comprises a lower support plate which is placed on the ground and is provided with a center hole, at least three groups of adjusting and supporting devices and at least three groups of vertical driving devices which are fixed on the upper surface of the lower support plate, an upper support plate which is arranged above the lower support plate and is supported by the adjusting and supporting devices, at least three groups of positioning devices which are arranged on the upper surface of the upper support plate, and a hanging rib of which the lower end is welded with a main rib at the top end of a steel reinforcement cage, the center of the upper supporting plate is provided with a connecting hole, the center hole, the connecting hole and the reinforcement cage are all concentric, the hanging bar extends out of the connecting hole, the inner end of the positioning device is connected with the upper end of the hanging bar, vertical drive arrangement accessible go up the backup pad with positioner adjusts the levelness of steel reinforcement cage, it is right to adjust strutting arrangement the bracing point position of going up the backup pad is adjustable.
Optionally, the positioning device includes a limiting groove fixed on the upper surface of the upper supporting plate, and a positioning plate inserted into the limiting groove and capable of moving horizontally in the limiting groove, the positioning plate is oriented along the radial direction of the steel reinforcement cage, the upper surface of the limiting groove has a threaded hole, and a fastening screw is connected in the threaded hole.
Optionally, the upper end of the lifting rib is provided with a lifting ring, and the inner end of the positioning plate can be sleeved in the lifting ring.
Optionally, the inner end of the positioning plate is provided with a limiting ring, the lifting ring can be sleeved in the limiting ring, and the outer end of the positioning plate is provided with a lifting hole.
Optionally, the vertical driving device comprises a placing groove fixed on the lower supporting plate and a driving component capable of being placed in the placing groove, and the upper end of the placing groove is provided with an opening.
Optionally, the placing groove is an open groove with an opening at one side.
Optionally, the drive member is a jack or a telescopic cylinder.
Optionally, the adjusting and supporting device includes a supporting bolt fixed on the upper surface of the lower supporting plate and an adjusting nut connected to the external thread of the supporting bolt, the upper supporting plate has a through hole corresponding to the supporting bolt, the through hole of the upper supporting plate is sleeved on the supporting bolt, and the lower surface of the upper supporting plate abuts against the adjusting nut.
Optionally, the positioning device and the vertical driving device are arranged between the three groups of adjusting and supporting devices at intervals;
the supporting bolts of each group of adjusting and supporting devices are uniformly distributed, and each group of adjusting and supporting devices is provided with 2 supporting bolts inside and outside in the radial direction.
Optionally, the upper surfaces of the lower supporting plate and the upper supporting plate are both fixed with hoisting ribs.
The invention provides a drilled pile reinforcement cage installation platform which comprises a lower support plate, an adjusting and supporting device, a vertical driving device, an upper support plate, a positioning device and a hanging rib. The periphery of the steel reinforcement cage is wrapped by a steel protection cylinder which protects the steel reinforcement cage.
The lower supporting plate is provided with a central hole, the center of the upper supporting plate is provided with a connecting hole, optionally, the central hole and a circular hole of the connecting hole, the diameter of the circular hole is larger than that of the steel casing, and the central hole, the connecting hole and the steel reinforcement cage are all concentric.
The steel protects a section of thick bamboo setting in the steel reinforcement cage outside, is higher than ground, and the centre bore of lower backup pad is protected a section of thick bamboo and steel reinforcement cage with the steel and is placed subaerial with one heart. Adjusting strutting arrangement and vertical drive arrangement and being fixed in the upper surface of bottom suspension fagging, adjusting strutting arrangement and vertical drive arrangement and all following vertical direction, go up the backup pad and install in the top of bottom suspension fagging, the top surface of going up the supporting steel board is higher than the steel and protects a section of thick bamboo. The upper end of the vertical driving device is supported on the lower surface of the upper supporting plate, the vertical driving device is a power component, and the vertical driving device can drive the upper supporting plate to move up and down. The upper supporting plate is abutted against the supporting point of the adjusting and supporting device and is supported by the supporting point of the adjusting and supporting device. When the vertical driving device adjusts the upper supporting plate to a set position, the position of the supporting point of the adjusting and supporting device is adjusted, so that the supporting point of the adjusting and supporting device is in contact with the upper supporting plate to support the upper supporting plate. The number of the adjusting supporting devices and the number of the vertical driving devices are at least three groups, so that the upper supporting plate can be driven to move and supported evenly and stably.
The lower end of the hanging rib is welded with the main rib at the top end of the steel reinforcement cage, and the hanging rib extends out of the connecting hole. The positioning device is arranged on the upper surface of the upper supporting plate, and the inner end of the positioning device is connected with the upper end of the hanging rib.
Vertical drive arrangement moves on vertical direction, and the backup pad reciprocates on the drive to drive positioner and reciprocate, and then drive the steel reinforcement cage through hanging the muscle and reciprocate, thereby adjust the steel reinforcement cage elevation. The number of the positioning devices is at least three, and the positions of the positioning devices are staggered, so that the plane position of the reinforcement cage is adjusted, and the reinforcement cage is adjusted in the horizontal direction to be the same as the designed position.
According to the drilled pile reinforcement cage installation platform, when the reinforcement cage is fixedly installed, the hanging ribs are fixedly connected to the top main rib of the reinforcement cage, the annular stirrups of the reinforcement cage are not needed to provide counter force, and the installation safety of the reinforcement cage is improved; fixing tools do not need to penetrate into the steel reinforcement cage, the number of the fixing tools is small, the hanging ribs and the positioning devices do not collide with the main rib position of the steel reinforcement cage, and the installation and the operation are convenient; the lower supporting plate of the steel reinforcement cage mounting platform is directly arranged on the ground, the requirement on the ground flatness is relatively low, the flatness elevation is adjusted through the vertical driving device, multiple times of adjustment are not needed to be additionally carried out through other supporting pads, the steel reinforcement cage mounting efficiency is accelerated, and the construction period is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a bored pile cage installation platform according to one embodiment of the present invention;
fig. 2 is a schematic elevation view of the bored pile cage mounting platform;
fig. 3 is a schematic top view of the bored pile cage installation platform;
FIG. 4 is a schematic structural view of an upper support plate;
FIG. 5 is a schematic structural view of the lower support plate;
FIG. 6 is a schematic view of a positioning plate;
fig. 7 is a schematic structural view of the suspension bar.
The drawings are numbered as follows:
the steel reinforcement cage comprises a steel reinforcement cage 1, a steel casing 2, a lower supporting steel plate 3, a central hole 31, an upper supporting steel plate 4, a connecting hole 41, a through hole 42, a placing groove 5, a jack 6, a supporting bolt 7, an adjusting nut 8, a positioning plate 9, a limiting ring 91, a hoisting hole 92, a limiting groove 10, a fastening screw rod 11, a hoisting rib 12, a ground 13, a hoisting rib 14 and a hoisting ring 141.
Detailed Description
The core of the invention is to provide a drilled pile reinforcement cage installation platform, which does not need to provide counterforce by using annular stirrups, has relatively low ground flatness and is convenient to adjust the elevation of a reinforcement cage.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, fig. 1 is a schematic structural view of a bored pile cage installation platform according to an embodiment of the present invention; fig. 2 is a schematic elevation view of the bored pile cage mounting platform; fig. 3 is a schematic top view of the bored pile cage installation platform; FIG. 4 is a schematic structural view of an upper support plate; FIG. 5 is a schematic structural view of the lower support plate; FIG. 6 is a schematic view of a positioning plate; fig. 7 is a schematic structural view of the suspension bar.
In one embodiment, the present invention provides a mounting platform for a bored pile cage 1, comprising a lower support plate placed on the ground 13 and having a central hole 31, at least three sets of adjusting and supporting means and at least three sets of vertical driving means fixed to the upper surface of the lower support plate, an upper support plate installed above the lower support plate and supported by the adjusting and supporting means, install three at least positioner of group in last backup pad upper surface, lower extreme and 1 top owner muscle welded connection's of steel reinforcement cage hang muscle 14, the center of going up the backup pad has connecting hole 41, centre bore 31, connecting hole 41 and steel reinforcement cage 1 are all concentric, it stretches out connecting hole 41 to hang muscle 14, positioner's the inner is connected with the upper end of hanging muscle 14, backup pad and positioner adjust the levelness of steel reinforcement cage 1 in the vertical drive device accessible, it is adjustable to the bracing point position of going up the backup pad to adjust strutting arrangement.
In the structure, the installation platform of the drilled pile reinforcement cage 1 comprises a lower support plate, an adjusting and supporting device, a vertical driving device, an upper support plate, a positioning device and a hanging rib 14. A steel protects a section of thick bamboo 2, and a steel protects a section of thick bamboo 2 and protects steel reinforcement cage 1 in the periphery parcel of steel reinforcement cage 1.
The lower supporting plate is provided with a central hole 31, the center of the upper supporting plate is provided with a connecting hole 41, and optionally, the central hole 31 and the connecting hole 41 are circular holes, the diameter of each circular hole is larger than that of the steel casing 2, and the central hole 31, the connecting hole 41 and the reinforcement cage 1 are all concentric. Optionally, the lower support plate is a lower support steel plate 3, and the upper support plate is an upper support steel plate 4.
The steel protects a section of thick bamboo 2 and sets up in the steel reinforcement cage 1 outside, is higher than ground 13, and the centre bore 31 of lower support plate is placed on ground 13 with steel protects a section of thick bamboo 2 and steel reinforcement cage 1 concentric. Adjust strutting arrangement and vertical drive arrangement and be fixed in the upper surface of bottom suspension fagging, adjust strutting arrangement and vertical drive arrangement and all follow vertical direction, go up the backup pad and install in the top of bottom suspension fagging, go up the top surface that supports steel sheet 4 and be higher than steel and protect a section of thick bamboo 2. The upper end of the vertical driving device is supported on the lower surface of the upper supporting plate, the vertical driving device is a power component, and the vertical driving device can drive the upper supporting plate to move up and down. The upper supporting plate is abutted against the supporting point of the adjusting and supporting device and is supported by the supporting point of the adjusting and supporting device. When the vertical driving device adjusts the upper supporting plate to a set position, the position of the supporting point of the adjusting and supporting device is adjusted, so that the supporting point of the adjusting and supporting device is in contact with the upper supporting plate to support the upper supporting plate. The number of the adjusting supporting devices and the number of the vertical driving devices are at least three groups, so that the upper supporting plate can be driven to move and supported evenly and stably.
The lower end of the hanging rib 14 is welded with the main rib at the top end of the reinforcement cage 1, and the hanging rib 14 extends out of the connecting hole 41. The positioning device is arranged on the upper surface of the upper supporting plate, and the inner end of the positioning device is connected with the upper end of the hanging rib 14.
Vertical drive arrangement moves in vertical direction, and the backup pad reciprocates on the drive to drive positioner and reciprocate, and then drive steel reinforcement cage 1 through hanging muscle 14 and reciprocate, thereby adjust steel reinforcement cage 1 elevation. The number of the positioning devices is at least three, the positions of the positioning devices are staggered, so that the plane position of the reinforcement cage 1 is adjusted, and the reinforcement cage 1 is adjusted in the horizontal direction to be the same as the designed position.
According to the installation platform of the bored pile reinforcement cage 1, when the reinforcement cage 1 is installed and fixed, the hanging ribs 14 are fixedly connected to the top main rib of the reinforcement cage 1, the annular stirrups of the reinforcement cage 1 are not required to provide counter force, and the installation safety of the reinforcement cage 1 is improved; fixing tools do not need to penetrate into the reinforcement cage 1, the number of the fixing tools is small, the hanging ribs 14 and the positioning devices do not collide with the main rib position of the reinforcement cage 1, and the installation and the operation are convenient; the lower supporting plate of the installation platform of the steel reinforcement cage 1 is directly arranged on the ground 13, the requirement on the flatness of the ground 13 is relatively low, the flatness elevation is adjusted through the vertical driving device, and the installation efficiency of the steel reinforcement cage 1 is accelerated without additionally adjusting for many times through other supporting pads, so that the construction period is shortened.
The installation platform of the bored pile reinforcement cage 1 is only an optimal scheme, and is not particularly limited to the optimal scheme, and on the basis, targeted adjustment can be performed according to actual needs, so that different embodiments can be obtained, the positioning device comprises a limiting groove 10 fixed on the upper surface of the upper supporting plate, and a positioning plate 9 inserted in the limiting groove 10 and capable of horizontally moving in the limiting groove 10, the direction of the positioning plate 9 is along the radial direction of the reinforcement cage 1, a threaded hole is formed in the upper surface of the limiting groove 10, and a fastening screw 11 is connected in the threaded hole.
In the structure, the positioning device comprises a limiting groove 10 and a positioning plate 9, the limiting groove 10 is fixed on the upper surface of the upper supporting plate, the positioning plate 9 is inserted into the limiting groove 10, the directions of the limiting groove 10 and the positioning plate 9 are along the radial direction of the steel reinforcement cage 1, the positioning plate 9 can horizontally move in the limiting groove 10, the inner end of the positioning plate 9 is connected with the hanging rib 14, so that the positioning plate 9 is controlled to move along the radial direction, the hanging rib 14 can be driven to move along the radial direction, the steel reinforcement cage 1 is further driven to move along the radial direction, and the central position of the steel reinforcement cage 1 is corrected.
The upper surface of spacing groove 10 has the screw hole, and threaded hole in-connection has fastening screw 11. After the center position of the reinforcement cage 1 is corrected, the fastening screw 11 is screwed, so that the tail end of the fastening screw 11 presses the positioning plate 9, the positioning plate 9 is locked, and the positioning plate 9 is prevented from shifting.
According to the installation platform of the bored pile reinforcement cage 1, the center position of the reinforcement cage 1 is corrected through the positioning plate 9, the radial adjustment of the reinforcement cage 1 is realized, the connection position of the reinforcement cage 1 is accurate, and the installation quality is improved.
In an embodiment, the method of operating the installation platform for a bored pile cage 1 comprises the steps of:
s110, placing a lower supporting steel plate 3 on the ground 13, sequentially placing a vertical driving device and an upper supporting steel plate 4, adjusting the vertical driving device to enable the upper supporting steel plate 4 to be in a horizontal position, then using the adjusting and supporting device to fix the position, hoisting the reinforcement cage 1 in sections, and temporarily fixing when the annular stiffening stirrup at the top of the reinforcement cage 1 passes through the top end of a positioning plate 9;
s120, correcting the center position of the current reinforcement cage 1 through the positioning plate 9;
s130, hoisting the next section of reinforcement cage 1, and butting the next section of reinforcement cage 1 with the current reinforcement cage 1;
s140, all the positioning plates 9 for fixing the current reinforcement cage 1 are taken out, and temporary fixing is carried out when the annular stiffening stirrups at the top of the next section of reinforcement cage 1 pass through the top ends of the positioning plates 9;
and S150, repeating the steps S120 and S140 until the last section of the reinforcement cage 1 is connected, welding the bottom end of the lifting rib 14 and the main rib at the top end of the reinforcement cage 1, connecting the lifting ring 141 and the positioning plate 9, distributing the lifting ribs 14 in each group at set angles, and slowly placing the reinforcement cage 1 to a designed position.
S160, after the reinforcement cage 1 is stably installed, correcting the center position of the reinforcement cage 1 through the positioning plate 9, and locking the fastening screw rod 11 after correction is completed; then survey 1 design elevation of steel reinforcement cage through the surveyor's level, adjust vertical drive arrangement elevation, guarantee to go up 4 levels of supporting steel sheet, when reaching 1 design elevation of steel reinforcement cage, adjust and adjust supporting device and fix supporting steel sheet 4.
Alternatively, after adjusting the adjusting support means to secure the upper support steel plate 4, the vertical drive means may be removed for use with other mounting platforms. When concrete pouring is completed, the hanging ribs 14 can be cut off, and the positioning plate 9 is detached.
On the basis of the above embodiments, the upper end of the hanging rib 14 has a hanging ring 141, the cross section of the hanging ring 141 is larger than that of the positioning plate 9, and the inner end of the positioning plate 9 can be sleeved in the hanging ring 141. When the hanging ribs 14 and the positioning plate 9 are connected, the inner end of the positioning plate 9 is directly inserted into the hanging ring 141, so that the connection is convenient.
On the basis of the above embodiments, the inner end of the positioning plate 9 has the limiting ring 91, and the hanging ring 141 can be sleeved in the limiting ring 91. Optionally, the limiting ring 91 is a semicircular groove, the size of the limiting ring 91 is slightly larger than the size of the steel bar of the hanging ring 141, after the hanging ring 141 of the hanging rib 14 is placed in the limiting ring 91, the hanging ring 141 is wrapped by the limiting ring 91, and the limiting ring 91 has a limiting effect on the hanging ring 141 to prevent the hanging ring 141 from falling off from the positioning plate 9. The outer end of the positioning plate 9 is provided with a hoisting hole 92, so that hoisting is facilitated.
In another more reliable embodiment, on the basis of any one of the above embodiments, the vertical driving device includes a placing slot 5 and a driving component, the placing slot 5 is fixed on the lower supporting plate, an opening is formed in the upper end of the placing slot 5, the driving component can be placed in the placing slot 5, and the placing slot 5 has a positioning function on the driving component, so that the optimal installation position of the driving component can be conveniently and quickly determined. The side of the placing groove 5 is provided with a baffle, the bottom surface of the placing groove 5 is slightly larger than the bottom surface of the driving part, and the baffle of the placing groove 5 has a limiting effect on the driving part to prevent the driving part from shifting.
On the basis of the above-mentioned embodiments, the placing groove 5 is an open groove with an opening on one side, and the driving part can be pushed into the placing groove 5 in parallel from the side opening, which is labor-saving.
On the basis of the above embodiments, the driving part may be the jack 6, the structure is simple, and the driving force is large; the driving part can also be a telescopic cylinder, such as an air cylinder and an oil cylinder, and the operation is convenient.
In another more reliable embodiment, on the basis of any one of the above embodiments, the adjusting and supporting device includes a supporting bolt 7 fixed on the upper surface of the lower supporting plate, and an adjusting nut 8 connected to the external thread of the supporting bolt 7, the upper supporting plate has a through hole 42 corresponding to the supporting bolt 7, the through hole 42 of the upper supporting plate is sleeved on the supporting bolt 7, and the lower surface abuts against the adjusting nut 8.
In the structure, the adjusting and supporting device comprises a supporting bolt 7 and an adjusting nut 8, the supporting bolt 7 is fixed on the upper surface of the lower supporting plate, the upper portion of the supporting bolt 7 is provided with an external thread, the adjusting nut 8 is connected to the external thread of the supporting bolt 7, the adjusting nut 8 is in threaded connection with the supporting bolt 7, and the height position of the adjusting nut 8 connected to the supporting bolt 7 is adjustable.
Go up the backup pad and have the through-hole 42 corresponding with supporting bolt 7, the size of through-hole 42 is greater than supporting bolt 7's size, but go up the through-hole 42 suit of backup pad on supporting bolt 7, the lower surface butt of going up the backup pad is on adjusting nut 8, and adjusting nut 8 supports last backup pad. The adjusting and supporting device in the application is simple in structure, and the supporting point is convenient to adjust.
On the basis of each above-mentioned specific embodiment, positioner and vertical drive arrangement interval set up in three groups between adjusting the strutting arrangement, adjust strutting arrangement, positioner and vertical drive arrangement and stagger and arrange, mutual noninterference to adjust strutting arrangement, positioner and vertical drive arrangement and distribute at the circumferencial direction evenly separately, it is even to last backup pad and hang the effort distribution of muscle 14, guarantee the precision and the stability that steel reinforcement cage 1 connects.
Optionally, the supporting bolts 7 of each group of adjusting and supporting devices are uniformly distributed, each group of adjusting and supporting devices is provided with 2 supporting bolts 7 inside and outside in the radial direction, the number of supporting points of the upper supporting plate is large, the distribution area is large, and the stability of the upper supporting plate is good.
In another more reliable embodiment, on the basis of any one of the above embodiments, the upper surfaces of the lower support plate and the upper support plate are both fixed with hoisting ribs 12, optionally, the hoisting ribs 12 are arranged at the middle positions of the top surfaces of the lower support plate and the upper support plate, the distribution angle is 120 degrees, 3 hoisting ribs are arranged on each top surface, 6 hoisting ribs are arranged in total, round steel with the diameter of 20mm is bent into a semicircular ring with the radius of 100mm, and the lower support plate and the upper support plate are welded for installing the lower support plate and hoisting the upper support plate.
In the specific embodiment, the lower support steel plate 3 is made of a 30mm thick steel plate by integral cutting and is arranged outside the steel casing 2, the lower support steel plate 3 is placed on the solid ground 13, the diameter of a central hole 31 on the lower support steel plate 3 is 200mm larger than the outer diameter of the steel casing 2, and the radius of the lower support steel plate 3 is 800mm larger than the radius of the central hole 31 of the lower support steel plate 3.
The upper supporting steel plate 4 is the same as the lower supporting steel plate 3 in size, is arranged above the lower supporting steel plate 3 and is higher than the steel casing 2, and the diameter of the connecting hole 41 of the upper supporting steel plate 4 is the same as that of the central hole 31 of the lower supporting steel plate 3 and is concentric.
The upper supporting steel plate 4 is provided with 12 through holes 42, the diameter of each through hole 42 is 60mm, each 2 through holes 42 are distributed radially, the distribution angle is 60 degrees, and the distance between the inner edge and the outer edge of the upper supporting steel plate 4 is 150 mm.
The placing grooves 5 are determined by the width of 10mm, the height of 30mm and the length of the placing grooves according to the size of the base of the jack 6, the steel plates are integrally cut, each placing groove 5 is formed into a door-shaped frame by 3 welding pieces, and the opening direction of the placing grooves facilitates installation of the jack 6. The placing grooves 5 have 3 groups in total and are arranged at the positions among the lower supporting steel plates 3, and the distribution angle among the 3 groups is 120 DEG
3 groups of jacks 6 are arranged, the tonnage of each jack 6 is the same according to the steel reinforcement cage 11, the lowest height is 350mm, and the lifting height is 150 mm; the top end of the jack 6 is contacted with the top surface of the upper supporting steel plate 4.
12 support bolts 7 are arranged, the diameter is 45mm, the length is 500cm, the lower end is 250mm and is not provided with threads, and the lower end is connected with the lower support steel plate 3 in a welding mode; wherein, each 2 support bolts 7 are distributed radially, the distribution angle is 60 degrees, and the distance from the inner edge and the outer edge of the lower support steel plate 3 is 150 mm; the top end of the supporting bolt 7 passes through the through hole 42.
The positioning plate 9 is provided with 3 groups, the material is steel, and the size is determined according to the diameter and the tonnage of the reinforcement cage 1. The front end of the positioning plate 9 is provided with a limiting ring 91, and the rear end is provided with a lifting hole 92, so that the storage, transportation and installation are convenient.
The limiting groove 10 is of a box body structure formed by welding 3 steel plates with the thickness of 20mm, the specific size is determined according to the positioning plate 9, the positioning plate 9 can penetrate through the limiting groove, and a threaded hole with the thickness of 20mm is formed in the center of the top steel plate; the limiting grooves 10 are provided with 3 groups, are 150mm away from the outer edge of the upper supporting steel plate 4, have distribution angles of 120 degrees and are distributed and staggered with the supporting bolts 7.
Fastening screw 11 is equipped with 3, and the diameter is 20mm, fixes locating plate 9 through spacing groove 10 top surface screw hole.
The hanging ribs 14 are provided with 3 groups and are made of smooth round steel bars, and the specific type and the specific length are determined according to the tonnage of the steel reinforcement cage 1, the position and the elevation of the annular stiffening stirrup and the elevation of the ground 13. The rings 141 are arranged at the top ends of the hanging ribs 14, are formed by bending smooth steel bars into 150mm circular rings, are welded to meet the stress requirement, and are placed at the positions of the limiting grooves 10.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The installation platform for the bored pile cage 1 according to the present invention has been described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a bored pile steel reinforcement cage mounting platform, characterized in that, including place on ground (13) and have the lower support plate of centre bore (31), be fixed in at least three group regulation strutting arrangement and at least three vertical drive device of group of the lower support plate upper surface, install in the lower support plate top and through the last backup pad that regulation strutting arrangement supported, install in go up at least three positioner of backup pad upper surface, lower extreme and steel reinforcement cage (1) top owner muscle welded connection's lifting rib (14), the center of going up the backup pad has connecting hole (41), centre bore (31), connecting hole (41) and steel reinforcement cage (1) are all concentric, lifting rib (14) stretch out connecting hole (41), positioner's the inner with the upper end of lifting rib (14) is connected, vertical drive device accessible go up the backup pad with the levelness of steel reinforcement cage (1) is adjusted to positioner, the position of the supporting point of the upper supporting plate can be adjusted by the adjusting and supporting device.
2. A bored pile cage mounting platform according to claim 1, wherein the positioning means comprises a retaining groove (10) fixed to the upper surface of the upper support plate, and a positioning plate (9) inserted into the retaining groove (10) and horizontally movable in the retaining groove (10), the positioning plate (9) is oriented in the radial direction of the cage (1), the upper surface of the retaining groove (10) has a threaded hole, and a fastening screw (11) is connected in the threaded hole.
3. A drilled pile cage installation platform according to claim 2, wherein the lifting bar (14) has a lifting eye (141) at its upper end and the locating plate (9) is telescoped at its inner end into the lifting eye (141).
4. A bored pile cage installation platform according to claim 3, wherein the locating plate (9) has a stop collar (91) at its inner end, the lifting eye (141) being nestable within the stop collar (91), and the locating plate (9) has a lifting hole (92) at its outer end.
5. A bored pile cage installation platform according to any one of claims 1 to 4, wherein the vertical drive means includes a placement channel (5) secured to the lower support plate and a drive member adapted to be placed in the placement channel (5), the placement channel (5) having an opening at its upper end.
6. A bored pile cage mounting platform according to claim 5, wherein the placement channel (5) is an open channel with an opening at one side.
7. A bored pile cage installation platform according to claim 5, in which the drive means is a jack (6) or telescopic ram.
8. A bored pile cage mounting platform according to any one of claims 1 to 4, wherein the adjustment support means comprises a support bolt (7) fixed to the upper surface of the lower support plate, an adjustment nut (8) attached to the external thread of the support bolt (7), the upper support plate has a through hole (42) corresponding to the support bolt (7), the through hole (42) of the upper support plate is fitted over the support bolt (7) and the lower surface abuts against the adjustment nut (8).
9. A bored pile cage mounting platform according to claim 8, wherein the locating means and the vertical drive means are spaced apart between three sets of the adjustable support means;
the supporting bolts (7) of each group of adjusting and supporting devices are uniformly distributed, and each group of adjusting and supporting devices is provided with 2 supporting bolts (7) at the inner side and the outer side in the radial direction.
10. A bored pile cage installation platform according to any one of claims 1 to 4, wherein the lifting bars (12) are fixed to the upper surfaces of the lower and upper support plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210212255.9A CN114457789A (en) | 2022-03-04 | 2022-03-04 | Bored pile steel reinforcement cage mounting platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210212255.9A CN114457789A (en) | 2022-03-04 | 2022-03-04 | Bored pile steel reinforcement cage mounting platform |
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| CN114457789A true CN114457789A (en) | 2022-05-10 |
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| CN202210212255.9A Pending CN114457789A (en) | 2022-03-04 | 2022-03-04 | Bored pile steel reinforcement cage mounting platform |
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| CN114951993A (en) * | 2022-05-23 | 2022-08-30 | 甘肃建投建设有限公司 | Laser-assisted welding positioning device for reinforcement cage and construction method of laser-assisted welding positioning device |
| CN115492090A (en) * | 2022-10-26 | 2022-12-20 | 安徽柱石建设工程有限公司 | Pile foundation auxiliary structure |
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