CN114032908B - Reinforcement cage lowering device for pile foundation engineering and construction method thereof - Google Patents
Reinforcement cage lowering device for pile foundation engineering and construction method thereof Download PDFInfo
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- CN114032908B CN114032908B CN202111351561.2A CN202111351561A CN114032908B CN 114032908 B CN114032908 B CN 114032908B CN 202111351561 A CN202111351561 A CN 202111351561A CN 114032908 B CN114032908 B CN 114032908B
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- reinforcement cage
- lifting
- lifting rope
- pile foundation
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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
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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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)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a reinforcement cage lowering device for pile foundation engineering and a construction method thereof, the device comprises a frame with lifting rings and leg seats at corners, a pair of opposite and opposite turning plates are arranged in the middle of the frame, an operation platform and a stressed beam which can adapt to and lift reinforcement cages of different sizes are arranged at two sides of the frame, the two turning plates are closed initially and are surrounded into a conduit lowering hole through semicircular gaps at the edges of the turning plates, a connecting plate is arranged in a sliding fit manner, scales and clamping grooves are arranged along the lower part of the upper part of the stressed beam, in operation, a lifting hook and a limiting plate for centering and limiting a protective cylinder are respectively sleeved on clamping grooves of corresponding scales according to the sizes of the reinforcement cage and the protective cylinder, one end of a lifting rope is connected to the connecting plate, the other end of the lifting rope is connected with the lifting hook after penetrating through a stiffening hoop at the top of the reinforcement cage, and the scale for auxiliary positioning is marked on the lifting rope. The invention has high discharging efficiency, low cost, suitability for multiple pile diameters, accurate discharging to the elevation, safe and reliable construction, simple operation and recycling.
Description
Technical Field
The invention belongs to the field of construction of building pile foundation engineering, and particularly relates to a reinforcement cage lowering device for pile foundation engineering and a construction method thereof.
Background
At present, in the bored concrete pile work progress, when transferring the steel reinforcement cage, the steel reinforcement cage is through with hanging the muscle welding in order to guarantee to transfer to the design elevation, and this mode of transferring has following problem: 1) The hanging bar cannot be recycled, so that the cost is increased; 2) The length of the hanging bar is error due to manual operation, if the steel bar cage cannot guarantee the vertical state, the hanging bar is easy to incline, and potential quality hazards exist; 3) The hanging bars are welded with the main bars of the reinforcement cage, so that the main bars can be disturbed in the process of the later earth excavation, and the quality hidden trouble exists; 4) Hanging bars are generally placed above the pile casing through cross bars, so that the pile casing can be stressed, sedimentation is caused, and pile forming elevation has errors.
Disclosure of Invention
The invention aims to provide a steel reinforcement cage lowering device for pile foundation engineering and a construction method thereof.
The technical scheme adopted by the invention is as follows:
the utility model provides a steel reinforcement cage lowering device for pile foundation engineering, including the corner is equipped with the frame of rings and leg rest, the centre of frame is equipped with the pair of to the folio turns over board, both sides all are equipped with operation platform and can adapt to and lift by crane the atress roof beam of unidimensional steel reinforcement cage, two are turned over boards and surround into the pipe through the semicircular notch on each edge and transfer the hole in the beginning, sliding fit that the upper portion of atress roof beam does not deviate from has the connecting plate, the lower part is equipped with scale and draw-in groove along the line, during operation, the lifting hook is put on the draw-in groove of corresponding scale with the limiting plate that is used for centering spacing protective casing respectively according to the size cover of steel reinforcement cage and protective casing, the one end of lifting rope is connected on the connecting plate, the other end upwards is connected with the lifting hook after passing the stiffening hoop at steel reinforcement cage top, the mark has the scale that is used for assistance in the positioning on the lifting rope.
Further, the frame includes two longitudinal beams, is located the horizontal roof beam between two longitudinal beams and is located rings and the leg seat at bight, and the horizontal roof beam is located the both ends and the middle both sides of frame, and the atress roof beam is located between two horizontal roof beams on same limit, and longitudinal beam, horizontal roof beam, rings, leg seat and atress roof beam are welded fully and are connected, and operating platform includes the support of welding on the frame and spreads the dull and stereotyped on the support.
Further, the stress beam is provided with a long groove, the upper side wall of the long groove is a plane straight line, the lower side wall of the long groove is provided with a plurality of protrusions along the line, the lower part of the connecting plate is sleeved on the long groove and matched with the upper side wall of the long groove, and the adjacent protrusions form clamping grooves.
Further, one end of the lifting rope is folded and then locked through a U-shaped screw rod, a screw cap and a bayonet lock which are arranged on the connecting plate, and the other end of the lifting rope penetrates through the lifting hook and then is folded and locked through an independent U-shaped screw rod, a screw cap and a bayonet lock.
Further, a rotating shaft is arranged on the turning plate, two ends of the rotating shaft respectively penetrate through the clamping rings on the frame, and an expanding head for preventing the clamping rings from falling off is arranged at the end part of the rotating shaft.
Further, an operating rod is arranged on the turning plate.
Further, the limiting plate is limited through the arc-shaped surface.
Furthermore, the hanging rope marks the scale through red paint, and the scale needs to be periodically retested.
The reinforcement cage lowering construction method for pile foundation engineering includes the steps of firstly lifting the whole device to the hole side through lifting equipment and horizontally supporting the whole device to be placed, then sleeving a lifting hook and a limiting plate on clamping grooves with corresponding scales according to the sizes of the reinforcement cage and a pile casing respectively, ensuring that the lifting position of the lifting hook is located at the edge of the reinforcement cage, enabling the pile casing to be centered by the limiting plate, connecting one end of a lifting rope to a connecting plate, enabling the other end of the lifting rope to pass through a stiffening hoop at the top of the reinforcement cage, then upwards connecting the lifting rope, simultaneously ensuring that the length of the lifting rope required to be input is regulated according to the designed elevation, the hole depth and the dimensional relation of the device, lifting the whole device and the reinforcement cage through lifting equipment, taking down a limiting rod at the top of the reinforcement cage, vertically falling to the whole device to be placed horizontally supporting the whole device, enabling the reinforcement cage to reach the designed elevation, lowering a conduit through the conduit, carrying out hole cleaning operation and pouring construction after the conduit is placed, releasing connection of the lifting rope and the connecting plate, naturally lowering the lifting rope, and then lifting the whole device and the lifting rope through the lifting equipment.
Further, the site leveling work is performed and the steel plates are paved before construction, so that the whole device can be placed on Kong Bianshui flat support.
The beneficial effects of the invention are as follows:
the invention has high lowering efficiency, and the lifting ribs are replaced in a lifting manner by the lifting ropes through the frame, the stressed beam, the connecting plate, the lifting hooks and the lifting ropes, so that the overlap welding of the lifting ribs and the manufacturing time of the lifting ribs are reduced; the construction cost is low, so that the waste of hanging bars is reduced, and the construction time is shortened; the invention can adapt to the construction of multi-pile-diameter cast-in-place piles, the positions of the cast-in-place piles are respectively adjusted according to the sizes of the reinforcement cage and the pile casing through the lifting hook and the limiting plate, and only the weight of the reinforcement cage and the depth of the empty hole are required to be considered to be provided with the lifting rope; the invention can accurately lower the reinforcement cage to the elevation, and the lowering position of the reinforcement cage can be controlled by positioning the height of the lifting rope; the invention is safe and reliable in construction, the vertical stress of the lifting rope is more stable than that of the lifting rib, the limiting plate can ensure the centering of the pile casing, and the turning plate can also control the guide pipe to be installed and removed without collision with the reinforcement cage; the invention has convenient lifting, simple operation and recycling.
Drawings
Fig. 1 is a top view of a reinforcement cage lowering apparatus for pile foundation engineering in an embodiment of the present invention.
Fig. 2 is a schematic working diagram of a reinforcement cage lowering device for pile foundation engineering according to an embodiment of the present invention.
FIG. 3 is a schematic illustration of the connection of a load beam, a connecting plate, a limiting plate and a hook in an embodiment of the invention.
Fig. 4 is a schematic diagram showing the locking of one end of the lifting rope after folding by the U-shaped screw, nut and latch installed on the connecting plate in the embodiment of the invention.
Fig. 5 is a schematic view showing the other end of the lifting rope folded through the lifting hook and locked by the independent screw, nut and latch according to the embodiment of the invention.
In the figure: 1-a bracket; 2-hanging rings; 3-longitudinal beams; 4-clamping rings; 5-rotating shaft; 6, turning over the board; 7-an operating lever; 8, a stress beam; 9-transverse beams; 10-plate; 11-connecting plates; 12-leg base; 13-limiting plates; 14-lifting hook; 15-stiffening hoops; 16-lifting ropes; 17-bayonet; 18-nut; 19-U-shaped screw.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 3, a reinforcement cage lowering device for pile foundation engineering comprises a frame with lifting rings 2 and leg seats 12 at corners, wherein a pair of opposite and opposite turning plates 6 are arranged in the middle of the frame, an operation platform and a stressed beam 8 capable of adapting to and lifting reinforcement cages of different sizes are arranged at two sides of the frame, initially, the two turning plates 6 are closed and surround a conduit lowering hole through semicircular gaps at the edges of the two turning plates, a connecting plate 11 is arranged in a sliding fit manner, scales and clamping grooves are arranged along the lower part of the upper part of the stressed beam 8, in operation, a lifting hook 14 and a limiting plate 13 for centering and limiting a protective sleeve are sleeved on clamping grooves of corresponding scales according to the sizes of the reinforcement cage and the protective sleeve respectively, one end of a lifting rope 16 is connected to the connecting plate 11, the other end of the lifting rope 16 is connected with a lifting hook 14 upwards after passing through a stiffening hoop 15 at the top of the reinforcement cage, and the scale marks for auxiliary positioning are marked on the lifting rope 16.
As shown in fig. 1 and 2, in this embodiment, the frame includes two longitudinal beams 3, a transverse beam 9 located between the two longitudinal beams 3, and a suspension ring 2 and a leg rest 12 located at the corner, the transverse beam 9 is located at two ends and two sides in the middle of the frame, a stress beam 8 is located between the two transverse beams 9 on the same side, and the longitudinal beams 3, the transverse beams 9, the suspension ring 2, the leg rest 12 and the stress beam 8 are connected in a full-welded manner, and the operation platform includes a bracket 1 welded on the frame and a flat plate 10 laid on the bracket 1, so that the structure is simple, stable and reliable.
As shown in fig. 1 and 2, in the present embodiment, a rotating shaft 5 is provided on the turning plate 6, both ends of the rotating shaft 5 respectively pass through the snap ring 4 on the frame, and an enlarged head for preventing the release from the snap ring 4 is provided at the end of the rotating shaft 5. As shown in fig. 1 and 2, in the present embodiment, the flap 6 is provided with an operation lever 7.
As shown in fig. 3, in this embodiment, the stress beam 8 is provided with a long groove, the upper side wall of the long groove is a plane straight line, the lower side wall of the long groove is a plurality of protrusions along the line, the lower part of the connecting plate 11 is sleeved on the long groove and is matched with the upper side wall of the long groove, the adjacent protrusions form a clamping groove, and the clamping groove and the connecting plate chute can be processed by cutting once.
As shown in fig. 4 and 5, in this embodiment, one end of the lifting rope 16 is folded and locked by a U-shaped screw 19, a nut 18 and a bayonet 17 mounted on the connection plate 11, and the other end of the lifting rope 16 passes through the lifting hook 14 and is folded and locked by an independent U-shaped screw 19, nut 18 and bayonet 17, so that the connection is simple and reliable and the operation is convenient.
In this embodiment, the limiting plate 13 is limited by an arcuate surface. In this embodiment, the lifting rope 16 marks a scale through red paint, the scale needs to be periodically retested, and the precision and the measuring range of the scale are determined according to practical situations.
The materials and the sizes of the components on the device are set according to actual needs, in the embodiment, the longitudinal beam 3 adopts 10I-steel, the height is 10cm, and the length is 2.8m; the transverse beams 9 at two sides of the middle of the frame are square tubes with the length of 63cm, the width of 5cm, the height of 10cm and the thickness of 5mm; the transverse beams 9 at the two ends of the frame are square tubes, and are 56cm long, 10cm high, 7cm wide and 5mm thick; the leg seat 12 adopts a square tube, and has the height of 40cm, the length of 7cm, the width of 7cm and the thickness of 5mm; the stress beam 8 is made of a solid steel plate, and has the thickness of 5cm, the height of 10cm and the length of 1.4m; the bracket 1 adopts steel bars, and the flat plate 10 adopts an iron sheet plate; the turning plate 6 is made of a steel plate, and has the thickness of 1cm, the length of 66cm and the width of 17cm, and the diameter of a catheter lowering hole is 250mm; the operating rod 7 is made of round steel with the diameter of 20mm.
The reinforcement cage lowering construction method for the pile foundation engineering adopts the reinforcement cage lowering device for the pile foundation engineering: before construction, working on site and laying steel plates, so that the whole device can be placed on Kong Bianshui flat supporting ground; during construction, the whole device is lifted to the hole edge through lifting equipment and horizontally supported and placed, then the lifting hook 14 and the limiting plate 13 are respectively sleeved on clamping grooves with corresponding scales according to the sizes of a reinforcement cage and a pile casing, the lifting position of the lifting hook 14 is ensured to be positioned at the edge of the reinforcement cage, the pile casing can be centered through the limiting plate 13, one end of the lifting rope 16 is connected to the connecting plate 11, the other end of the lifting rope passes through the stiffening hoop 15 at the top of the reinforcement cage and then upwards connected with the lifting hook 14, meanwhile, the length of the lifting rope 16 required to be input is ensured to be adjusted according to the size relation of a designed elevation, the hole depth and the device, then the whole device and the reinforcement cage are lifted through the lifting equipment, the limiting rod at the top of the reinforcement cage is taken down to be horizontally supported and placed, the reinforcement cage reaches the designed elevation through a conduit, after the conduit is placed, hole cleaning operation and pouring construction are carried out, the connection between the lifting rope 16 and the connecting plate 11 is released, the lifting rope 16 naturally descends, and the whole device and the lifting rope 16 are lifted through the lifting equipment.
The invention has high lowering efficiency, and the lifting ribs are replaced by a lifting mode of lifting the lifting ropes 16 through the frame, the stressed beam 8, the connecting plate 11, the lifting hooks 14 and the lifting ropes 16, so that the lap welding time of the lifting ribs and the manufacturing time of the lifting ribs are reduced; the construction cost is low, so that the waste of hanging bars is reduced, and the construction time is shortened; the invention can adapt to the construction of multi-pile-diameter cast-in-place piles, the positions of the cast-in-place piles are respectively adjusted according to the sizes of the reinforcement cage and the pile casing through the lifting hook 14 and the limiting plate 11, and only the weight of the reinforcement cage and the depth of the empty hole are needed to be considered to configure the lifting rope 16; the invention can accurately lower the reinforcement cage to the elevation, and the lowering position of the reinforcement cage can be controlled by positioning the height of the lifting rope 16; the invention is safe and reliable in construction, the vertical stress of the lifting rope 16 is more stable than that of the lifting rib, the limiting plate 11 can ensure the centering of the pile casing, and the turning plate 6 can also control the pipe to be installed and removed without collision with the reinforcement cage; the invention has convenient lifting, simple operation and recycling.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. A steel reinforcement cage device of transferring for pile foundation engineering, its characterized in that: the lifting hook and the limiting plate for centering and limiting the protective cylinder are respectively sleeved on the clamping grooves of corresponding scales according to the sizes of the steel reinforcement cage and the protective cylinder, one end of the lifting rope is connected to the connecting plate, the other end of the lifting rope is connected with the lifting hook after penetrating through the stiffening hoop at the top of the steel reinforcement cage, and the lifting rope is marked with scales for auxiliary positioning.
2. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: the frame comprises two longitudinal beams, a transverse beam positioned between the two longitudinal beams, lifting rings and leg seats positioned at corners, wherein the transverse beam is positioned at two ends and two middle sides of the frame, the stress beam is positioned between the two transverse beams on the same side, the longitudinal beam, the transverse beam, the lifting rings, the leg seats and the stress beam are in full-welded connection, and the operation platform comprises a bracket welded on the frame and a flat plate paved on the bracket.
3. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: the stress beam is provided with a long groove, the upper side wall of the long groove is a plane straight line, the lower side wall of the long groove is provided with a plurality of protrusions along the line, the lower part of the connecting plate is sleeved on the long groove and matched with the upper side wall of the long groove, and the adjacent protrusions form clamping grooves.
4. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: one end of the lifting rope is folded and then locked by a U-shaped screw rod, a screw cap and a bayonet lock which are arranged on the connecting plate, and the other end of the lifting rope penetrates through the lifting hook and then is folded and locked by an independent U-shaped screw rod, a screw cap and a bayonet lock.
5. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: the turning plate is provided with a rotating shaft, two ends of the rotating shaft respectively penetrate through the clamping rings on the frame, and the end part of the rotating shaft is provided with an expansion head for preventing the clamping rings from falling out.
6. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: the turning plate is provided with an operating rod.
7. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: the limiting plate is limited through the arc-shaped surface.
8. The reinforcement cage lowering apparatus for pile foundation engineering of claim 1, wherein: the lifting rope marks the scale through red paint, and the scale needs to be periodically retested.
9. A reinforcement cage lowering construction method for pile foundation engineering is characterized by comprising the following steps: the reinforcement cage lowering device for pile foundation engineering according to any one of claims 1 to 8 is adopted, the whole device is firstly lifted to the hole side through lifting equipment and horizontally placed in a supporting mode, then a lifting hook and a limiting plate are respectively sleeved on clamping grooves with corresponding scales according to the sizes of the reinforcement cage and a pile casing, the lifting position of the lifting hook is ensured to be positioned at the edge of the reinforcement cage, the pile casing can be centered through the limiting plate, then one end of a lifting rope is connected to a connecting plate, the other end of the lifting rope penetrates through a stiffening hoop at the top of the reinforcement cage and then is upwards connected with the lifting hook, meanwhile, the length of the lifting rope required to be put into is ensured to be adjusted according to the size relation of a designed elevation, the hole depth and the device, then the whole device and the reinforcement cage are lifted through lifting equipment, after the limiting rod at the top of the reinforcement cage is taken down, the whole device is vertically placed in the horizontal supporting mode, the reinforcement cage reaches the designed elevation, then the guide pipe is lowered through the guide pipe, after the guide pipe is arranged, hole cleaning operation and pouring construction are carried out, connection between the lifting rope and the connecting plate is released, the lifting rope is naturally lowered, and then the whole device and the lifting rope are lifted through the lifting equipment.
10. The reinforcement cage lowering construction method for pile foundation engineering according to claim 9, wherein: before construction, field leveling work is performed and steel plates are paved, so that the whole device can be placed on Kong Bianshui flat supporting ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351561.2A CN114032908B (en) | 2021-11-16 | 2021-11-16 | Reinforcement cage lowering device for pile foundation engineering and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351561.2A CN114032908B (en) | 2021-11-16 | 2021-11-16 | Reinforcement cage lowering device for pile foundation engineering and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114032908A CN114032908A (en) | 2022-02-11 |
| CN114032908B true CN114032908B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111351561.2A Active CN114032908B (en) | 2021-11-16 | 2021-11-16 | Reinforcement cage lowering device for pile foundation engineering and construction method thereof |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5584744B2 (en) * | 2012-10-05 | 2014-09-03 | 株式会社 Ｃｕｐ商会 | Lifting device, rebar top edge positioning jig, rebar lifting method, and rebar erection method |
| CN211169518U (en) * | 2019-07-22 | 2020-08-04 | 中国水利水电第四工程局有限公司 | Pile foundation steel reinforcement cage hoisting device |
| CN111305192A (en) * | 2020-03-17 | 2020-06-19 | 中铁上海工程局集团有限公司 | Bridge pile foundation reinforcement cage positioning combined clamp and construction and use method thereof |
| CN212405145U (en) * | 2020-04-28 | 2021-01-26 | 中国葛洲坝集团市政工程有限公司 | Device for fixing pile foundation reinforcement cage |
| CN213653457U (en) * | 2020-09-28 | 2021-07-09 | 中电建十一局工程有限公司 | Steel reinforcement cage lifts by crane and mounting structure |
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- 2021-11-16 CN CN202111351561.2A patent/CN114032908B/en active Active
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