CN113981982A - Transfer device of pile foundation steel reinforcement cage - Google Patents
Transfer device of pile foundation steel reinforcement cage Download PDFInfo
- Publication number
- CN113981982A CN113981982A CN202111308095.XA CN202111308095A CN113981982A CN 113981982 A CN113981982 A CN 113981982A CN 202111308095 A CN202111308095 A CN 202111308095A CN 113981982 A CN113981982 A CN 113981982A
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- limiting
- column
- pile foundation
- inner cylinder
- reinforcement cage
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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
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (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 provides a lowering device of a pile foundation reinforcement cage, which comprises: the device comprises an inner cylinder, an outer cylinder, a limiting plate, a limiting column and a rope; the outer barrel is sleeved on the outer wall of the inner barrel in a sliding mode, the limiting plate limits the outer barrel, and the limiting column is used for controlling the limiting plate to move; the rope is connected on the top end of the limiting column and used for driving the limiting column to rotate. According to the invention, the limiting plate is extruded by the limiting column, one end of the limiting plate extends out of the insertion port, the outer cylinder is locked on the outer side wall of the inner cylinder, the position of the annular space is further locked, the reinforcing head at the lower end of the reinforcing column is inserted into the annular space, and the reinforcing column and the outer cylinder are bound and fixed through the binding wires. In the process of transferring, hide the reinforcing bar head, avoided the reinforcing bar head frequently to collide with pile foundation hole inner wall mutually, played the effect of protection pile foundation hole inner wall, reduced the degree of difficulty that the steel reinforcement cage transferred. The limiting plate retracts into the inner cylinder, and the locking of the limiting plate on the inner cylinder is released; the inner cylinder can be taken out through the rope, and the recycling of the inner cylinder is realized.
Description
Technical Field
The invention relates to the technical field of steel reinforcement cage lowering, in particular to a lowering device for a pile foundation steel reinforcement cage.
Background
The pile foundation is in the work progress, need to transfer cylindric steel reinforcement cage to the pile foundation downthehole. At present, after a reinforcement cage is manufactured, the lower end of the reinforcement cage is provided with a plurality of exposed reinforcement heads; when the reinforcement cage shakes in the lowering process, the reinforcement head at the lower end of the reinforcement cage easily touches the inner wall of the pile foundation hole; collision friction or insertion is generated between the reinforcement heads and the inner wall of the pile foundation hole, so that the downward placement of the reinforcement cage is blocked, and the position of the reinforcement cage needs to be adjusted up and down frequently; and, pile foundation hole inner wall is frequently collided by the steel reinforcement cage, and the easy slump is impaired, further increases the degree of difficulty that the steel reinforcement cage transferred.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem of overcoming the defect that the lowering of the pile foundation reinforcement cage is blocked because the pile foundation reinforcement cage is easy to collide with the inner wall of a pile foundation hole due to shaking in the lowering process in the prior art, and provides the lowering device of the pile foundation reinforcement cage.
In order to solve the technical problem, the invention provides a device for lowering a pile foundation reinforcement cage, which comprises:
the inner cylinder is internally provided with a radial plate, and the side wall of the inner cylinder is provided with two oppositely-communicated inserting ports;
the outer cylinder is sleeved on the outer wall of the inner cylinder in a sliding mode, an annular space suitable for placing a reinforcing steel bar head is formed between the outer cylinder and the inner cylinder, and the outer cylinder is provided with a limiting opening suitable for being opposite to the insertion opening; the outer wall of the outer barrel is provided with a plurality of through holes for inserting binding wires, and the binding wires are used for binding and fixing the reinforcement cage and the outer barrel;
the two limiting plates correspond to the inserting ports one by one, and the limiting plates are connected with the inner side wall of the inner barrel through first elastic pieces;
one end of the limiting column is suitable for being in threaded connection with the radial plate, and the other end of the limiting column is in a first state of being elastically abutted against the limiting plate and enabling the limiting plate to extend into the limiting opening and a second state of being separated from the limiting plate;
and the rope is connected to the top end of the limiting column and used for driving the limiting column to rotate.
Further, still include:
and the conical cover is connected to the lower end face of the inner cylinder.
Furthermore, a plurality of water leakage holes are uniformly distributed on the conical cover.
Furthermore, the lower end of the outer cylinder is provided with a conical sleeve, and the conical sleeve is sleeved with the outer wall of the inner cylinder in a sliding manner.
Further, the middle of the radial plate is provided with a vertically arranged fixing column, the fixing column is provided with a threaded hole only with an opening at the top end, and the limiting column is suitable for being in threaded connection with the fixing column.
Furthermore, a second elastic piece which stretches along the axis of the fixing column is arranged in the threaded hole of the fixing column, and the top end of the second elastic piece is connected with a plug which is flush with the top end face of the fixing column.
Further, still include:
the first baffle is positioned right above the fixed column and is connected with the fixed column through a connecting rod, and a through hole suitable for the limiting column to pass through is formed in the first baffle;
the second baffle is fixedly sleeved on the limiting column, the second baffle is positioned between the first baffle and the fixing column, and the outer diameter of the second baffle is larger than the inner diameter of the through hole.
Furthermore, the inner side wall of the inner barrel is connected with a guide sleeve communicated with the plug port, and the limiting plate is sleeved in the guide sleeve in a sliding mode.
Further, the limiting plate be suitable for with the one end department of spacing post butt has the arc breach, the camber of arc breach with the external diameter camber of spacing post is unanimous.
Further, the inner side wall of the inner barrel is provided with connecting blocks which are arranged oppositely, the radial plates are abutted to the connecting blocks through cushion blocks, and the radial plates are connected to the connecting blocks through bolts.
The technical scheme of the invention has the following advantages:
1. according to the lowering device of the pile foundation reinforcement cage, the limiting plate is extruded through the limiting column, one end of the limiting plate extends out of the insertion port, the outer cylinder is locked on the outer side wall of the inner cylinder, the position of the annular space is further locked, the reinforcement head at the lower end of the reinforcement column is inserted into the annular space, and the reinforcement column and the outer cylinder are bound and fixed through the binding wires. In the process of transferring, hide the reinforcing bar head, avoided the reinforcing bar head frequently to collide with pile foundation hole inner wall mutually, played the effect of protection pile foundation hole inner wall, reduced the degree of difficulty that the steel reinforcement cage transferred. In addition, after the reinforcing steel bar column is put down in place, the limiting column is separated from the limiting plate through the rope knob limiting column, the limiting plate retracts into the inner cylinder, and the locking of the limiting plate on the inner cylinder is released; at the moment, the limiting column is not separated from the radial plate, and the inner cylinder can be taken out through the rope, so that the recycling of the inner cylinder is realized.
2. According to the device for lowering the pile foundation reinforcement cage, the conical cover guides the inner cylinder to extend into the pile foundation hole in the lowering process, the inner cylinder does not need to be accurately aligned with the pile foundation hole, and the lowering difficulty is reduced.
3. According to the device for lowering the pile foundation reinforcement cage, the arrangement of the water leakage holes avoids increasing the lowering difficulty caused by water accumulation in rainy days.
4. According to the device for lowering the pile foundation reinforcement cage, the conical sleeve is arranged at the lower end of the outer cylinder, so that the outer cylinder can be conveniently guided to carry out pile foundation hole, and the requirement on alignment precision in the lowering process can be favorably reduced.
5. The setting of the fixing column of the lowering device of the pile foundation reinforcement cage is beneficial to reducing the overall thickness of the radial plate and reducing the weight of the overall device.
6. According to the lowering device for the pile foundation reinforcement cage, the second elastic piece is matched with the plug, so that soil is prevented from entering the threaded hole of the fixing column.
7. According to the device for lowering the pile foundation reinforcement cage, after the reinforcement is lowered in place, the limiting column can be completely separated from the fixed column, and the inner cylinder is taken out through the matching of the first baffle and the second baffle, so that the design length of the fixed column can be shortened; avoid preventing to drag the in-process, the smooth silk phenomenon of breaking away from appears between spacing post and fixed post.
8. According to the lowering device of the pile foundation reinforcement cage, the arrangement of the guide sleeve is beneficial to aligning the limiting plate with the insertion port.
9. The setting of the arc-shaped notch of the lowering device of the pile foundation reinforcement cage is beneficial to the close fit of the limiting column and the limiting plate, and the stress area is increased.
10. According to the lowering device for the pile foundation reinforcement cage, the radial plates and the connecting blocks are spaced, so that partial screw rods of the bolts are exposed; when the bolt and the nut are difficult to separate due to corrosion and the like, the bolt can be cut off through the interval, and other parts are prevented from being damaged due to forced disassembly.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a lowering device of a pile foundation reinforcement cage provided in the present invention.
FIG. 2 is a schematic view of the connection between the outer cylinder and the inner cylinder.
FIG. 3 is a schematic view of the inner barrel.
Fig. 4 is a schematic diagram of a limiting plate.
Fig. 5 is a schematic view of a fixing column.
Description of reference numerals:
1. an inner barrel; 2. an outer cylinder; 3. a limiting plate; 4. a limiting column; 5. a rope; 6. an annular space; 7. a through hole; 8. a limiting port; 9. a first elastic member; 10. a radial plate; 11. a connecting plate; 12. a first connecting sleeve; 13. a second connecting sleeve; 14. a guide sleeve; 15. a conical cover; 16. a water leakage hole; 17. an arc-shaped notch; 18. a conical sleeve; 19. fixing a column; 20. a second elastic member; 21. a first baffle plate; 22. a first connecting column; 23. a second connecting column; 24. a diameter-changing section; 25. a second baffle; 26. connecting blocks; 27. cushion blocks; 28. a bolt; 29. a connecting rod; 30. an interface; 31. and (7) a plug.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
This embodiment provides a device is transferred to pile foundation steel reinforcement cage includes: the device comprises an inner cylinder 1, an outer cylinder 2, a limiting plate 3, a limiting column 4 and a rope 5.
As shown in fig. 1, 2 and 3, a radial plate 10 is disposed inside the inner cylinder 1, and two opposite through-insertion ports 30 are disposed on a side wall of the inner cylinder 1. The outer cylinder 2 is sleeved on the outer wall of the inner cylinder 1 in a sliding mode, and an annular space 6 suitable for placing a reinforcing steel bar head is formed between the outer cylinder 2 and the inner cylinder 1. The outer wall of the outer barrel 2 is provided with a plurality of through holes 7 for inserting binding wires, and the binding wires are used for binding and fixing the reinforcement cage and the outer barrel 2; wherein, the outer cylinder 2 is provided with a limit opening 8 which is suitable for being opposite to the inserting opening 30. The two limiting plates 3 are in one-to-one correspondence with the insertion ports 30, and the limiting plates 3 are connected with the inner side wall of the inner barrel 1 through first elastic pieces 9. One end of the limiting column 4 is suitable for being in threaded connection with the radial plate 10, and the other end of the limiting column is in a first state of being elastically abutted against the limiting plate 3 and enabling the limiting plate 3 to extend into the limiting opening 8 and a second state of being separated from the limiting plate 3; the rope 5 is connected to the top end of the limiting column 4 and used for driving the limiting column 4 to rotate.
In this embodiment, the limiting plate 3 is squeezed by the limiting post 4, so that one end of the limiting plate 3 extends out of the insertion port 30 and locks the outer cylinder 2 on the outer side wall of the inner cylinder 1, and then the position of the annular space 6 is locked, the steel bar head at the lower end of the steel bar post is inserted into the annular space 6, and the steel bar post and the outer cylinder 2 are bound and fixed through the binding wire. In the process of transferring, hide the reinforcing bar head, avoided the reinforcing bar head frequently to collide with pile foundation hole inner wall mutually, played the effect of protection pile foundation hole inner wall, reduced the degree of difficulty that the steel reinforcement cage transferred. In addition, after the steel bar column is put down in place, the limiting column 4 is turned by the rope 5 to separate the limiting column 4 from the limiting plate 3, the limiting plate 3 retracts into the inner cylinder 1, and the locking of the limiting plate 3 on the inner cylinder 1 is released; at this time, the inner cylinder 1 can be taken out by turning the stopper post 4 with the cord 5 without separating the stopper post 4 from the radial plate 10, thereby realizing recycling of the inner cylinder 1.
As shown in fig. 1, a connecting plate 11 vertically arranged is arranged at one end of the limiting plate 3 facing the radial plate 10, a first connecting sleeve 12 is arranged on the connecting plate 11, and a second connecting sleeve 13 opposite to the first connecting sleeve 12 is connected to the inner side wall of the inner cylinder 1; the first elastic part 9 is connected between the first connecting sleeve 12 and the second connecting sleeve 13, and the first elastic part 9 is a spring.
As shown in fig. 1, a guide sleeve 14 penetrating through the insertion port 30 is connected to the inner side wall of the inner cylinder 1, and the sliding sleeve of the limit plate 3 is sleeved in the guide sleeve 14. The guide sleeve 14 is arranged to facilitate the alignment of the limit plate 3 and the interface 30.
As shown in fig. 1, fixedly connected with toper cover 15 on the lower terminal surface of inner tube 1, this toper cover 15 can guide inner tube 1 to stretch into pile foundation downthehole, and inner tube 1 need not to carry out accurate alignment with pile foundation hole, has reduced and has transferred the degree of difficulty. A plurality of water leakage holes 16 are uniformly distributed on the conical cover 15, and accumulated water is prevented from flowing out of the water leakage holes 16 in rainy days.
As shown in fig. 1 and 4, an arc notch 17 is formed at one end of the limiting plate 3, which is adapted to abut against the limiting column 4, and the curvature of the arc notch 17 is consistent with the outer diameter curvature of the limiting column 4; when the limiting column 4 is elastically abutted with the limiting plate 3, the abutting area between the limiting column and the limiting plate can be increased.
As shown in fig. 1, a conical sleeve 18 is fixedly connected to the bottom end of the outer cylinder 2, and the small end of the conical sleeve 18 is slidably sleeved on the outer wall of the inner cylinder 1; the conical sleeve 18 and the bottom end face of the outer cylinder 2 jointly enclose a limiting opening 8 with an opening facing the inner cylinder 1, and the limiting plate 3 extends into the limiting opening 8 through the plug-in interface 30 to limit the outer cylinder 2.
As an alternative embodiment, the outer cylinder 2 has a sliding surface which is in sliding fit with the side wall of the inner cylinder 1, and the limit opening 8 may be formed on the sliding surface.
As shown in fig. 2 and 5, a fixing post 19 is vertically connected to the middle of the radial plate 10, and the fixing post 19 has a threaded hole with only an open top end. A second elastic part 20 which stretches along the axis of the fixing column 19 is arranged in the threaded hole of the fixing column 19, and the top end of the second elastic part 20 is connected with a plug 31; the second elastic member 20 is a spring, and when the second elastic member 20 is at a natural length, the top end of the plug 31 is flush with the top surface of the fixing post 19. The first baffle plate 21 is positioned right above the fixed column 19 and is connected with the fixed column 19 through a connecting rod 29, and the first baffle plate 21 is provided with a through hole suitable for the limiting column 4 to pass through.
As shown in fig. 2, the limiting column 4 has a first connecting column 22 and a second connecting column 23 which are coaxially arranged, the outer diameter of the first connecting column 22 is larger than that of the second connecting column 23, and the outer diameter of the second connecting column 23 is smaller than the distance between the two limiting plates 3; the first connecting column 22 is used for pushing the limiting plate 3 to slide outwards, an external thread is arranged on the second connecting column 23, and the second connecting column 23 is used for being in threaded connection with the fixing column 19. A second baffle 25 is fixedly sleeved on the second connecting column 23, and the outer diameter of the second baffle 25 is larger than the inner diameter of the through hole; the second baffle 25 is always located between the first baffle 21 and the fixed column 19, and when the second connecting column 23 is separated from the fixed column 19, the second baffle 25 blocks the first baffle 21. Wherein, the junction of first spliced pole 22 and second spliced pole 23 is equipped with reducing section 24, and this reducing section 24 does benefit to limiting plate 3 slowly retracts.
As shown in fig. 2, the inner side wall of the inner cylinder 1 is provided with connecting blocks 26 which are oppositely arranged, the lower end face of each connecting block 26 is vertically connected with a cushion block 27, the radial plate 10 is abutted against the connecting blocks 26 through the cushion blocks 27, and the radial plate 10 is connected to the connecting blocks 26 through bolts 28. The radial plate 10 and the connecting block 26 have a gap therebetween, so that a part of the screw of the bolt 28 is exposed, and when the bolt 28 and the nut are difficult to separate due to corrosion and the like, the bolt 28 can be cut off through the gap, thereby avoiding damage to other components due to forcible detachment.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a device is transferred to pile foundation steel reinforcement cage which characterized in that includes:
the inner cylinder (1) is internally provided with a radial plate (10), and the side wall of the inner cylinder (1) is provided with two oppositely-communicated inserting ports (30);
the outer cylinder (2) is sleeved on the outer wall of the inner cylinder (1) in a sliding mode, an annular space (6) suitable for placing a reinforcing steel bar head is formed between the outer cylinder (2) and the inner cylinder (1), and the outer cylinder (2) is provided with a limiting opening (8) suitable for being opposite to the insertion opening (30); the outer wall of the outer barrel (2) is provided with a plurality of through holes (7) for inserting binding wires, and the binding wires are used for binding and fixing the reinforcement cage and the outer barrel (2);
the two limiting plates (3) correspond to the inserting ports (30) one by one, and the limiting plates (3) are connected with the inner side wall of the inner cylinder (1) through first elastic pieces (9);
a limiting column (4), one end of which is suitable for being in threaded connection with the radial plate (10), and the other end of which is provided with a first state that is elastically abutted against the limiting plate (3) and enables the limiting plate (3) to extend into the limiting opening (8) and a second state that is separated from the limiting plate (3);
and the rope (5) is connected to the top end of the limiting column (4) and used for driving the limiting column (4) to rotate.
2. The device of claim 1, further comprising:
and the conical cover (15) is connected to the lower end face of the inner cylinder (1).
3. The device for lowering the pile foundation reinforcement cage according to claim 2, characterized in that a plurality of water leakage holes (16) are uniformly distributed on the conical cover (15).
4. The device for lowering the pile foundation reinforcement cage according to claim 1, characterized in that the lower end of the outer cylinder (2) is provided with a tapered sleeve (18), and the tapered sleeve (18) is slidably sleeved on the outer wall of the inner cylinder (1).
5. The device for lowering the pile foundation reinforcement cage according to claim 1, characterized in that the radial plate (10) is provided with a vertically arranged fixing column (19) in the middle, the fixing column (19) is provided with a threaded hole only with an open top end, and the limiting column (4) is suitable for being in threaded connection with the fixing column (19).
6. The device for lowering the pile foundation reinforcement cage according to claim 5, characterized in that the threaded hole of the fixed column (19) is provided with a second elastic member (20) which stretches along the axis of the fixed column, and the top end of the second elastic member (20) is connected with a plug (31) which is flush with the top end surface of the fixed column (19).
7. The device of claim 5, further comprising:
the first baffle (21) is positioned right above the fixed column (19) and is connected with the fixed column (19) through a connecting rod (29), and a through hole suitable for the limiting column (4) to pass through is formed in the first baffle (21);
the second baffle (25) is fixedly sleeved on the limiting column (4), the second baffle (25) is located between the first baffle (21) and the fixing column (19), and the outer diameter of the second baffle (25) is larger than the inner diameter of the through hole.
8. The device for lowering the pile foundation reinforcement cage according to claim 1, characterized in that a guide sleeve (14) which is communicated with the insertion port (30) is connected to the inner side wall of the inner cylinder (1), and the limiting plate (3) is slidably sleeved in the guide sleeve (14).
9. The device for lowering the pile foundation reinforcement cage according to claim 1, characterized in that an arc-shaped notch (17) is formed at one end of the limiting plate (3) which is suitable for being abutted to the limiting column (4), and the curvature of the arc-shaped notch (17) is consistent with the outer diameter curvature of the limiting column (4).
10. The device for lowering the pile foundation reinforcement cage according to claim 1, characterized in that the inner side wall of the inner cylinder (1) is provided with oppositely arranged connecting blocks (26), the radial plates (10) are abutted to the connecting blocks (26) through cushion blocks (27), and the radial plates (10) are connected to the connecting blocks (26) through bolts (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111308095.XA CN113981982B (en) | 2021-11-05 | 2021-11-05 | Lowering device for pile foundation reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111308095.XA CN113981982B (en) | 2021-11-05 | 2021-11-05 | Lowering device for pile foundation reinforcement cage |
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| CN113981982A true CN113981982A (en) | 2022-01-28 |
| CN113981982B CN113981982B (en) | 2023-05-26 |
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| CN113981982B (en) | 2023-05-26 |
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