CN110904954A - Suspension rack for suspending steel reinforcement cage - Google Patents
Suspension rack for suspending steel reinforcement cage Download PDFInfo
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- CN110904954A CN110904954A CN201911286339.1A CN201911286339A CN110904954A CN 110904954 A CN110904954 A CN 110904954A CN 201911286339 A CN201911286339 A CN 201911286339A CN 110904954 A CN110904954 A CN 110904954A
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- pile
- reinforcement cage
- steel reinforcement
- positioning
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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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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a suspension bracket for suspending a reinforcement cage, which is arranged at the position of a pile opening of a cast-in-place pile and is characterized by comprising an annular pile opening positioning bracket, wherein at least two vertical sleeves are detachably arranged on the pile opening positioning bracket, and the bottom of each vertical sleeve is also fixedly provided with a stirrup hook; the vertical sleeve is fixed on the pile opening positioning frame through a locking device, and after the locking device is released from fastening, the vertical sleeve is pulled upwards after being rotated towards the side edge, and the stirrup hook is taken out from the stirrup. The suspension frame for suspending the reinforcement cage can suspend the reinforcement cage in a pile hole to form suspension support for the reinforcement cage, can be temporarily fixed with the reinforcement cage, is used as an auxiliary hanger, and is convenient for hoisting the reinforcement cage.
Description
Technical Field
The invention relates to the field of concrete foundation pile construction, in particular to a suspension frame for suspending a reinforcement cage.
Background
The pile foundation can be divided into two types of cast-in-place piles and precast piles according to the manufacturing process, wherein the cast-in-place piles can be divided into a plurality of types of immersed tube cast-in-place piles, cast-in-place piles and the like according to the hole forming method. The hole digging and pouring pile is a pile foundation which is manufactured by digging a pile hole manually and pouring a reinforced concrete pile body in the pile hole in situ. During construction, the position of a pile hole is generally determined, then the pile hole is excavated, a locking notch is built on the pile hole during excavation, after the excavated pile hole is confirmed to have a qualified diameter and verticality, a concrete pile body is poured into the pile hole, and finally a concrete bearing platform is poured above the pile body.
When the steel reinforcement cage is positioned after being hung, the steel reinforcement cage is generally fixed at the central position in a pile hole by adopting a limiting block in the horizontal direction, two or four plain steel bars of HPB300 phi 8 are adopted in the vertical direction to ensure that the top (or bottom) elevation of the steel reinforcement cage meets the design requirement, one end of each plain steel bar is connected with a main rib of the steel reinforcement cage, the other end of each plain steel bar is connected with a cross arm steel pipe at the top of a drilled hole, the steel reinforcement cage is hung in the drilled hole through a hanging rib, and the elevation of the steel reinforcement cage is controlled according to the length of the hanging. In the steel bar cage suspension mode, all the suspension bars are left in the holes after concrete pouring is finished, so that steel bars are wasted.
In addition, when the existing reinforcement cage is transferred, the reinforcement cage is directly hooked by the lifting hook which is directly hooked by a crane or hooked by the lifting hook after being sleeved by a steel wire rope above the reinforcement cage, the mode of transferring the reinforcement cage is inconvenient to lift, and the reinforcement cage is easy to deform in the lifting process.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: can suspend the steel reinforcement cage in midair in the stake downthehole, form to suspend in midair the support to the steel reinforcement cage, and can be with steel reinforcement cage temporary fixation, be used as supplementary hoist, a be used for steel reinforcement cage that suspends in midair that the steel reinforcement cage hoists by crane suspends the frame in midair.
In order to solve the technical problems, the invention adopts the following technical scheme:
a suspension bracket for suspending a reinforcement cage is arranged at a pile opening of a cast-in-place pile, and is characterized by comprising an annular pile opening positioning bracket, wherein at least two vertical sleeves are detachably arranged on the pile opening positioning bracket, and the bottom of each vertical sleeve is also fixedly provided with a stirrup hook; the vertical sleeve is fixed on the pile opening positioning frame through a locking device, and after the locking device is released from fastening, the vertical sleeve is pulled upwards after being rotated towards the side edge, and the stirrup hook is taken out from the stirrup. Like this, stake mouth locating rack and vertical sleeve pipe are detachable connection, are convenient for deposit, and after being convenient for the later stage and relieving the locking state, take out vertical sleeve pipe. Before the steel reinforcement cage lifts by crane, hang the frame equipment in midair earlier, and with each couple of vertical sleeve pipe lower extreme with the stirrup of steel reinforcement cage after colluding tightly fix vertical sleeve pipe upper end in stake mouth locating rack department with locking device, because each vertical sleeve pipe is adjacent with the vertical reinforcing bar of steel reinforcement cage, and the lower extreme is fixed on the stirrup of steel reinforcement cage, consequently, in hoist and mount in-process steel reinforcement cage non-deformable, and simultaneously, stake mouth locating rack is located the position above the steel reinforcement cage top, lift by crane the in-process and can not cause the damage to stake hole lateral wall, stake mouth locating rack can also lift by crane for the steel reinforcement cage and provide the hoisting point. After the completion is transferred to the steel reinforcement cage, pile mouth locating rack is in on the pile mouth, and vertical sleeve pipe lower extreme and steel reinforcement cage stirrup collude through the stirrup couple and fasten fixedly, can use the pile mouth place as supporting, suspend in midair for the steel reinforcement cage and provide the support.
Furthermore, the pile opening positioning frame comprises a polygonal main frame, the diameter of an inscribed circle of the polygonal main frame is matched with the diameter of the pile opening, and the vertical distance from the middle part of each side edge to a corner is equal to the sum of the thickness of a pile steel bar protective layer of the cast-in-place pile and the thickness of a pile hole pile casing. Like this, establish into the polygon with stake mouthful locating rack after, its each side is circumscribed with stake mouthful diameter to can confirm through the position of polygon body frame that the steel reinforcement cage is in center department, and the perpendicular distance of each side middle part to the edge of polygon body frame equals stake hole pile casing and stake hole steel bar protective layer sum, thereby makes the polygon body frame can use the pile casing to support, simultaneously, can also ensure stake steel bar protective layer thickness through its position.
Furthermore, each corner of the polygonal main frame is fixed with a positioning rod which extends outwards and is positioned on the same plane with the polygonal main frame, and the positioning rods are arranged in a radial shape. Therefore, the extended positioning rods are attached to the plain concrete platform outside the pile opening, the supporting surface of the pile opening positioning frame is increased, and the pile opening positioning frame can be fixed only by fixing each positioning rod.
Furthermore, the pile opening positioning frame comprises two concentric inner rings and two concentric outer rings, the diameter of an inscribed circle of the pile opening positioning frame is matched with the diameter of a steel reinforcement cage to be hoisted, and the external tangent circle of the pile opening positioning frame is equal to the external diameter of the pile opening protecting cylinder. A plurality of connecting rods which extend towards the outer ring and extend out of the outer ring are arranged on the inner ring along the circumferential direction of the inner ring. Like this, when placing, only need ensure that outer lane and protect a section of thick bamboo outer wall are in same curved surface, just can ensure steel reinforcement cage central point through the position of inner circle and put, simultaneously, place the position through this outer lane and can also judge whether with the design standard thickness unanimous bored concrete pile steel bar protective layer thickness to whether construction worker masters stake hole aperture up to standard. The connecting rods are attached to the plain concrete platform outside the pile opening, so that the supporting surface of the pile opening positioning frame is increased, and the pile opening positioning frame can be fixed only by fixing the connecting rods.
Furthermore, the tail end or the middle part of each positioning rod or each connecting rod is provided with a balancing weight for fixing the balancing weight on the pile opening, and the upper end of each balancing weight is provided with a locking part for fixing the positioning rod or the connecting rod. Like this, after balancing weight of terminal assembly of every locating lever or connecting rod, just can ensure that pile mouthful locating rack can fix well on the plain concrete platform of pile mouth, and pile mouthful locating rack and vertical sleeve pipe fixed connection, vertical sheathed tube lower extreme is fixed through stirrup couple and steel reinforcement cage stirrup again to can also effectively ensure that the steel reinforcement cage does not come up, reach the design requirement with the quality of guaranteeing bored concrete pile. The balancing weight is fixed with the positioning rod or the connecting rod through the locking part, so that the balancing weight is convenient to take down.
Furthermore, the locking part is at least one positioning plate with a through hole in the middle, and the tail end of the positioning rod or the connecting rod penetrates through the through hole and then is fixed in the locking part. Therefore, when the anti-tilting counter weight is used, the positioning rods or the connecting rods can be sleeved on the counter weight block and pressed by the support lugs only after the positioning rods or the connecting rods penetrate through the through holes, and the anti-tilting counter weight is prevented from tilting. When the pile opening positioning frame needs to be taken down, unlocking of the positioning rod or the connecting rod can be realized only by outwards moving each balancing weight.
Furthermore, locking portion includes the journal stirrup that two intervals set up, forms the chucking passageway of a locating lever or connecting rod between two journal stirrups, still is equipped with one on two journal stirrups and runs through behind two journal stirrups to with the depression bar of locating lever and connecting rod card in the chucking passageway. Like this, through with connecting rod or locating lever card behind the chucking passageway to fix locating lever or connecting rod with the mode that the depression bar compressed tightly, fixed mode is simple. Meanwhile, when the pile opening positioning frame is taken out, the pile opening positioning frame can be unlocked only by pulling out the pressing rod and then upwards lifting the pile opening positioning frame.
Furthermore, the balancing weight is a quadrangular body and is made of steel or concrete. Like this, the balancing weight upper end can support the fine formation of locating lever or connecting rod, and simultaneously, the lower extreme can paste mutually with plain concrete platform. And the quality of steel or concrete is heavier, can effectively increase the overdraft of stake mouth locating rack to prevent whole suspension frame and steel reinforcement cage come-up, and can prevent in the work progress, stake mouth locating rack skew under the exogenic action.
Furthermore, the fastener is a cross fastener, the cross fastener comprises a first connecting buckle and a second connecting buckle, the second connecting buckle and the first connecting buckle are rotatably connected through a first rotating shaft, the first connecting buckle and the second connecting buckle are both semicircular, the first buckle and the second buckle are rotatably connected through a second rotating shaft, and the first buckle and the second buckle penetrate through the outer ends of the first buckle and the second buckle through bolts and are locked and fixed through nuts; the first connecting buckle is fixed in the middle of each side edge of the pile opening positioning frame, and the second connecting buckle is fixed at the upper end of the corresponding vertical sleeve. Like this, adopt the installation of cross fastener and fixed vertical sleeve, its fixed mode is simple, simultaneously, also comparatively convenient when removing the solid, provides convenient condition for the dismantlement and the rotation in vertical sleeve later stage.
Drawings
Fig. 1 is a schematic view illustrating an operating state of a suspension frame according to an embodiment;
fig. 2 is a schematic perspective view of an embodiment of a suspension rack;
FIG. 3 is a schematic structural diagram of a pile mouth positioning frame mainly formed by an inner ring and an outer ring in the embodiment;
fig. 4 is a schematic view of an assembly structure of the weight block and the pile opening positioning frame in the embodiment.
In the figure: the concrete pile comprises a steel reinforcement cage 1, a pile hole casing 2, a plain concrete platform 3, a pile opening positioning frame 4, a polygonal main frame 41, a positioning rod 42, an inner ring 43, an outer ring 44, a connecting rod 45, a locking device 5, a vertical sleeve 6, a stirrup hook 7, a balancing weight 8, a support lug 81, a compression bar 82 and a positioning plate 83.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example (b):
as shown in fig. 1 and 2, the suspension bracket for suspending a reinforcement cage according to this embodiment is disposed at a pile opening of a cast-in-place pile, and is characterized in that it includes a ring-shaped pile opening positioning bracket 4, at least two vertical sleeves 6 are detachably mounted on the pile opening positioning bracket 4, and a stirrup hook 7 is further fixed at the bottom of each vertical sleeve 6; the vertical sleeve 6 is fixed on the pile opening positioning frame 4 through a locking device 5, and can rotate the vertical sleeve to the side edge and pull the vertical sleeve upwards after the fastening of the locking device is released, so that the stirrup hook is taken out from the stirrup. As shown in figure 1, when the steel bar cage suspension device is used, a stirrup hook 7 at the lower end of a vertical sleeve 6 in the suspension frame is hooked on a stirrup at the uppermost end of the steel bar cage 1, then the vertical sleeve 6 is fixed, and finally the suspension frame is hooked by a crane hook and is placed downwards. After the pile is placed down, the pile mouth positioning frame 4 is tightly attached to the plain concrete platform 3 at the pile mouth position, and is fixed on the plain concrete platform 3.
Specifically, stake mouth locating rack 4 includes a polygon body frame 41, the inscribed circle diameter of polygon body frame 41 with wait to hoist steel reinforcement cage diameter phase-match, and every side middle part equals the pile steel reinforcement protective layer thickness and the pile hole casing thickness sum of waiting to pour the bored concrete pile to the perpendicular distance between the corner. Each corner of the polygonal main frame 41 is fixed with a positioning rod 42 which extends outwards and is positioned on the same plane with the main frame, and the positioning rods are arranged in a radial shape. Specifically, the polygonal main frame 41 in the present embodiment is a regular hexagon, and in a specific implementation, may be a regular pentagon, a regular heptagon, a regular octagon, or the like.
In specific implementation, the pile opening positioning frame 4 can also adopt the following structure: as shown in fig. 3, the pile opening positioning frame 4 includes two concentric inner rings 43 and outer rings 44, the diameter of the inner ring 43 matches with the outer diameter of the pile opening pile casing to be cast, and the distance between the inner ring 43 and the outer ring 44 is the sum of the thickness of the pile reinforcement protection layer of the cast-in-place pile to be cast and the thickness of the pile hole pile casing 2; a plurality of connecting rods 45 extending towards the outer ring and extending out of the outer ring are arranged on the inner ring along the circumferential direction of the inner ring.
The tail end or the middle part of each positioning rod 42 or each connecting rod 45 is provided with a balancing weight 8 which is fixed on the pile mouth, and the balancing weight 8 is a quadrangular body and is made of steel or concrete. The upper end of each balancing weight 8 is provided with a locking part for fixing the positioning rod 42 or the connecting rod 45.
As shown in fig. 2, the locking portion is at least one positioning plate 83 having a through hole in the middle, and the end of the positioning rod 42 or the connecting rod 45 is fixed in the locking portion after passing through the through hole. In a specific implementation, the structure of the locking part may be as follows: as shown in fig. 4, the locking portion includes two support lugs 81 disposed at an interval, a clamping passage for the positioning rod 42 or the connecting rod 45 is formed between the two support lugs 81, and a pressing rod 82 is disposed on the two support lugs 81 and penetrates through the two support lugs to clamp the positioning rod 42 and the connecting rod 45 in the clamping passage.
When the concrete implementation, the locking and fixing of balancing weight 8 and locating lever or connecting rod can also be realized through the following mode: the outer side of the balancing weight 8 is provided with a vertical groove, the tail end of the positioning rod 42 or the tail end of the connecting rod 45 are bent downwards, and the bent part of the tail end of the positioning rod 42 or the tail end of the connecting rod 45 is clamped behind the vertical groove of the balancing weight and is locked and fixed. Or a bolt can be rotatably arranged at the tail end of the bending part of the positioning rod 42 or the connecting rod 45, a transverse groove communicated with the vertical groove is arranged at the lower end of the vertical groove of the balancing weight, and the positioning rod 42 or the connecting rod 45 is locked and fixed in a mode of inserting the bolt into the transverse groove after the bolt is rotated.
The fastener 5 in this embodiment is a cross fastener, which includes a first connection buckle and a second connection buckle, the second connection buckle is rotatably connected with the first connection buckle through a first rotating shaft, and both the first connection buckle and the second connection buckle are semicircular, the first buckle and the second buckle are rotatably connected through a second rotating shaft, and the first buckle and the second buckle are fastened and fixed by a nut after penetrating through outer ends of the first buckle and the second buckle through a bolt; the first connecting buckle is fixed in the middle of each side edge of the pile opening positioning frame, and the second connecting buckle is fixed at the upper end of the corresponding vertical sleeve.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (9)
1. A suspension bracket for suspending a reinforcement cage is arranged at a pile opening of a cast-in-place pile, and is characterized by comprising an annular pile opening positioning frame (4), wherein at least two vertical sleeves (6) are detachably arranged on the pile opening positioning frame (4), and the bottom of each vertical sleeve (6) is also fixedly provided with a stirrup hook (7); the vertical sleeve (6) is fixed on the pile opening positioning frame (4) through a locking device (5), and can rotate the vertical sleeve to the side edge and pull the vertical sleeve upwards after the fastening of the locking device is released, so that the stirrup hook is taken out from the stirrup.
2. A suspension bracket for steel reinforcement cage suspension according to claim 1, wherein the pile mouth positioning bracket (4) comprises a polygonal main bracket (41), the diameter of the inscribed circle of the polygonal main bracket (41) is matched with the diameter of the steel reinforcement cage to be hoisted, and the vertical distance between the middle part of each side edge and the corner is equal to the sum of the thickness of the pile reinforcement protection layer and the thickness of the pile hole casing of the cast-in-place pile.
3. A suspension bracket for steel reinforcement cage suspension according to claim 2, characterized in that a positioning rod (42) extending outward and in the same plane as the main polygonal bracket (41) is fixed at each corner, and the positioning rods are arranged in a radial shape.
4. A suspension bracket for steel reinforcement cage suspension according to claim 1, wherein the pile mouth positioning bracket (4) comprises two concentric inner rings (43) and outer rings (44), the diameter of the inner ring (43) is matched with the outer diameter of the pile mouth casing to be cast, and the distance between the inner ring (43) and the outer ring (44) is the sum of the thickness of the pile reinforcement protection layer and the pile hole casing of the cast-in-place pile to be cast; a plurality of connecting rods (45) which extend towards the outer ring and extend out of the outer ring are arranged on the inner ring along the circumferential direction of the inner ring.
5. A suspension bracket for steel reinforcement cage suspension according to claim 3 or 4, characterized in that a weight block (8) is provided at the end or middle of each positioning rod (42) or connecting rod (45) to fix it to the pile mouth, and a locking part is provided at the upper end of each weight block (8) to fix the positioning rod (42) or connecting rod (45).
6. A suspension bracket for steel reinforcement cage suspension according to claim 5, characterized in that the locking part is at least one positioning plate (83) having a through hole in the middle, and the end of the positioning rod (42) or the connecting rod (45) is fixed in the locking part after passing through the through hole.
7. A suspension bracket for steel reinforcement cage suspension according to claim 5, wherein the locking part comprises two spaced support lugs (81), a clamping channel for the positioning rod (42) or the connecting rod (45) is formed between the two support lugs (81), and a pressure rod (82) is arranged on the two support lugs (81) and penetrates through the two support lugs to clamp the positioning rod (42) and the connecting rod (45) in the clamping channel.
8. A suspension bracket for steel reinforcement cage suspension according to claim 6 or 7, characterized in that the counterweight (8) is a quadrangular prism made of steel or concrete.
9. The suspension bracket for suspending a reinforcement cage according to claim 3 or 4, wherein the fastening member (5) is a cross member, the cross member comprises a first connection buckle and a second connection buckle, the second connection buckle is rotatably connected with the first connection buckle through a first rotating shaft, and both the first connection buckle and the second connection buckle are semicircular, are rotatably connected with each other through a second rotating shaft, and are fastened and fixed by a nut after penetrating through outer ends of the first buckle and the second buckle through a bolt; the first connecting buckle is fixed in the middle of each side edge of the pile opening positioning frame, and the second connecting buckle is fixed at the upper end of the corresponding vertical sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286339.1A CN110904954B (en) | 2019-12-13 | 2019-12-13 | Suspension rack for suspending steel reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286339.1A CN110904954B (en) | 2019-12-13 | 2019-12-13 | Suspension rack for suspending steel reinforcement cage |
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| CN110904954A true CN110904954A (en) | 2020-03-24 |
| CN110904954B CN110904954B (en) | 2021-03-23 |
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| CN201911286339.1A Active CN110904954B (en) | 2019-12-13 | 2019-12-13 | Suspension rack for suspending steel reinforcement cage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910631A (en) * | 2020-08-20 | 2020-11-10 | 安徽祺泰建设工程有限公司 | Pile foundation construction platform and pile foundation construction method |
| CN112195913A (en) * | 2020-09-28 | 2021-01-08 | 中冶天工集团有限公司 | Positioning device for reinforcement cage in mountain construction process and construction method thereof |
| CN115045269A (en) * | 2022-06-09 | 2022-09-13 | 中交一公局第八工程有限公司 | Pile mould and pile building method |
| CN115613554A (en) * | 2022-12-15 | 2023-01-17 | 河北省水利工程局集团有限公司 | Cast-in-situ bored pile structure and construction method thereof |
| CN117552583A (en) * | 2023-11-10 | 2024-02-13 | 保定森源建筑机械有限责任公司 | Adjustable connecting sleeve and reinforcement cage butt joint construction method |
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| CN209652915U (en) * | 2018-12-04 | 2019-11-19 | 中建八局第一建设有限公司 | A kind of reinforcing bar cage hoisting positioning and guiding rack device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910631A (en) * | 2020-08-20 | 2020-11-10 | 安徽祺泰建设工程有限公司 | Pile foundation construction platform and pile foundation construction method |
| CN112195913A (en) * | 2020-09-28 | 2021-01-08 | 中冶天工集团有限公司 | Positioning device for reinforcement cage in mountain construction process and construction method thereof |
| CN112195913B (en) * | 2020-09-28 | 2022-02-25 | 中冶天工集团有限公司 | Positioning device for reinforcement cage in mountain construction process and construction method thereof |
| CN115045269A (en) * | 2022-06-09 | 2022-09-13 | 中交一公局第八工程有限公司 | Pile mould and pile building method |
| CN115613554A (en) * | 2022-12-15 | 2023-01-17 | 河北省水利工程局集团有限公司 | Cast-in-situ bored pile structure and construction method thereof |
| CN117552583A (en) * | 2023-11-10 | 2024-02-13 | 保定森源建筑机械有限责任公司 | Adjustable connecting sleeve and reinforcement cage butt joint construction method |
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| CN110904954B (en) | 2021-03-23 |
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