CN218060275U - Self-adaptive conduit system for post-grouting of cast-in-place pile - Google Patents
Self-adaptive conduit system for post-grouting of cast-in-place pile Download PDFInfo
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- CN218060275U CN218060275U CN202220746229.XU CN202220746229U CN218060275U CN 218060275 U CN218060275 U CN 218060275U CN 202220746229 U CN202220746229 U CN 202220746229U CN 218060275 U CN218060275 U CN 218060275U
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Abstract
The utility model relates to a slip casting self-adaptation pipe system behind bored concrete pile, including the steel reinforcement cage and set up the slip casting pipe on the steel reinforcement cage, the slip casting pipe includes vertical slip casting pipe and feeds through in the horizontal slip casting pipe of vertical slip casting pipe, and the slip casting hole has been seted up to the lateral wall of horizontal slip casting pipe, the one end of vertical slip casting pipe is provided with the crossover sub that is used for connecting horizontal slip casting pipe, crossover sub's switching mouth department is provided with threaded conduit, threaded conduit is located to horizontal slip casting pipe cover, horizontal slip casting pipe cover is equipped with the hoop piece that the inner wall that is used for ordering about horizontal slip casting pipe hugs closely in threaded conduit's outer wall, be provided with the one end that is used for ordering about the hoop piece on the hoop piece and move towards the direction that is close to the other end of hoop piece to make the drive assembly that the hoop piece tightens up. The connection between vertical slip casting pipe and the horizontal slip casting pipe in this application need not the welding, has the effect of construction quality preferred after the slip casting.
Description
Technical Field
The application relates to the field of building construction, in particular to a self-adaptive conduit system for post-grouting of a cast-in-place pile.
Background
The post-grouting of the cast-in-place pile refers to that cement paste is injected through a grouting guide pipe preset in a pile body and a pile end and a pile side grouting valve connected with the grouting guide pipe after the cast-in-place pile is formed for a certain time, so that soil bodies (including sediments and mud skins) at the pile end and the pile side are reinforced, the bearing capacity of a single pile is improved, and the settlement is reduced.
Among the correlation technique, slip casting self-adaptation pipe system behind bored concrete pile mainly includes the steel reinforcement cage and sets up the slip casting pipe on the steel reinforcement cage, the slip casting pipe includes vertical slip casting pipe and communicates in the horizontal slip casting pipe of vertical slip casting pipe, the slip casting hole has been seted up to the lateral wall of horizontal slip casting pipe, during the use, the one end slip casting of horizontal slip casting pipe is kept away from to vertical slip casting pipe, the thick liquid flows through in proper order behind vertical slip casting pipe and the horizontal slip casting pipe from the slip casting hole and goes out the thick liquid, thereby consolidate the soil of the stake side of bored concrete pile.
However, in the related art, the vertical grouting guide pipe and the horizontal grouting guide pipe are generally fixed by welding, and when a joint is welded on a construction site, the phenomena of holes, slag inclusion and the like are easy to occur, so that the post-grouting construction quality is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the connected mode of welded fastening between vertical slip casting pipe and the horizontal slip casting pipe among the correlation technique, lead to the relatively poor phenomenon of slip casting construction quality, this application provides a bored concrete pile back slip casting self-adaptation pipe system.
The application provides a slip casting self-adaptation pipe system behind bored concrete pile adopts following technical scheme:
the utility model provides a bored concrete pile back slip casting self-adaptation pipe system, includes the steel reinforcement cage and sets up the slip casting pipe on the steel reinforcement cage, and the slip casting pipe includes vertical slip casting pipe and feeds through in the horizontal slip casting pipe of vertical slip casting pipe, and the slip casting hole has been seted up to the lateral wall of horizontal slip casting pipe, the one end of vertical slip casting pipe is provided with the crossover sub that is used for connecting horizontal slip casting pipe, crossover sub's switching mouth department is provided with threaded conduit, threaded conduit is located to horizontal slip casting pipe cover, horizontal slip casting pipe overcoat is equipped with the hoop piece that is used for ordering about the inner wall subsides of horizontal slip casting pipe and tightly in threaded conduit's outer wall, be provided with the one end that is used for ordering about the hoop piece on the hoop piece and move towards the direction that is close to the other end of hoop piece to the drive assembly that the hoop piece tightens up.
Through adopting above-mentioned technical scheme, one end at vertical slip casting pipe sets up the crossover sub, crossover sub's department sets up threaded conduit, threaded conduit is located to horizontal slip casting pipe cover, the hoop piece cover is located outside horizontal slip casting pipe, drive assembly orders about the one end of hoop piece and is close to towards the other end that is close to the hoop piece, at this moment, the hoop piece tightens up, the inner wall of drive horizontal slip casting pipe supports tightly in threaded conduit's outer wall when the hoop piece tightens up, thereby it is fixed with threaded conduit connection to with horizontal slip casting pipe, and then make horizontal slip casting pipe fixed with vertical slip casting pipe connection. The mode of connection fixation does not need welding, and the phenomenon that a welding joint can generate holes and clamp slag is not easy to occur, so that the grouting construction effect is better.
Preferably, the driving assembly comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is rotatably arranged at one end of the hoop sheet, the second rotating shaft is rotatably arranged at the other end of the hoop sheet, a bolt is arranged between the first rotating shaft and the second rotating shaft, the bolt penetrates through the first rotating shaft and the second rotating shaft, and the first rotating shaft and the second rotating shaft are in threaded connection with the bolt.
By adopting the technical scheme, the two ends of the hoop sheet are respectively provided with the first rotating shaft and the second rotating shaft, the bolt penetrates between the first rotating shaft and the second rotating shaft, and when the bolt rotates, one rotating shaft can move towards the direction close to or far away from the other rotating shaft; when one of the rotating shafts moves towards the direction close to the other rotating shaft, the other rotating shaft is limited by the nut head of the bolt and does not move any more, at the moment, the distance between the first rotating shaft and the second rotating shaft is gradually shortened, in other words, the distance between two ends of the hoop sheet is shortened, so that the hoop sheet is gradually tightened, and the inner wall of the horizontal grouting guide pipe is driven by the hoop sheet to abut against the outer wall of the threaded guide pipe.
Preferably, a first fixing block is arranged at one end, close to the first rotating shaft, of the hoop sheet, a first accommodating cavity for accommodating the first rotating shaft is formed in the first fixing block, the first rotating shaft is rotatably arranged in the first accommodating cavity, a first through groove for the bolt to pass through is formed in the side wall of the first fixing block, and the first through groove penetrates through the first accommodating cavity; the one end that the hoop piece is close to the second pivot is provided with the second fixed block, offers the second holding chamber that is used for placing the second pivot in the second fixed block, and the second pivot rotates and sets up in the second holding intracavity, the lateral wall of second fixed block is offered and is used for supplying the second wearing groove that the bolt passed, the second wearing groove link up second holding chamber.
Through adopting above-mentioned technical scheme, first pivot is placed in first holding intracavity, and the second pivot is placed in the second holding intracavity, and the setting in first holding chamber and second holding chamber provides rotation space for first pivot and second pivot to difficult emergence jam when making the screw rod drive first pivot and second pivot and remove.
Preferably, a sliding sheet is arranged at one end, close to the first fixed block, of the hoop sheet, and the sliding sheet is in sliding fit with one end, close to the second fixed block, of the hoop sheet.
Through adopting above-mentioned technical scheme, when the bolt rotated, the length direction that bolt can be followed to first pivot and second pivot slided, and at this moment, the one end that the hoop piece is close to the second pivot slided on the slip piece to make the hoop piece be difficult for taking place to warp when tightening up or taking off.
Preferably, the side wall of the sliding piece is provided with a limiting edge for limiting the sliding position of the hoop piece.
Through adopting above-mentioned technical scheme, the setting of spacing edge has restricted the position of sliding on the slide of the one end that the hoop piece is close to the second pivot to make the hoop piece be close to the one end of second pivot difficult for breaking away from the slide when sliding on the slide.
Preferably, the quantity of vertical slip casting pipe and horizontal slip casting pipe all is provided with many, many horizontal slip casting pipe and many vertical slip casting pipe one-to-one, horizontal slip casting pipe sets up along the length direction interval of steel reinforcement cage.
Through adopting above-mentioned technical scheme, set up a plurality of horizontal slip casting pipes along the length direction interval of steel reinforcement cage to make in the work progress of back slip casting, can pour into the thick liquid mud into to the not co-altitude position of the stake side of bored concrete pile, and then solidify the mud skin and the soil of the not co-altitude position of the stake side of bored concrete pile, so that the bearing capacity of bored concrete pile obtains promoting.
Preferably, a plurality of grouting holes are formed in the horizontal grouting guide pipe at intervals, and the plurality of grouting holes are formed at intervals along the circumferential direction of the horizontal grouting guide pipe.
Through adopting above-mentioned technical scheme, the slip casting efficiency has been improved in setting up of a plurality of injected holes, and makes the slip casting in-process, and grouting pressure is for the dispersion to make the bored concrete pile be difficult for receiving unilateral grouting pressure and slope.
Preferably, an adhesive tape for protecting the grouting hole is arranged outside the horizontal grouting guide pipe.
Through adopting above-mentioned technical scheme, the setting up of sticky tape makes the slip casting hole receive the protection in pre-buried stage and bored concrete pile body pouring stage to difficult jam slip casting hole when making the bored concrete pile pour, in the work progress of back slip casting, slip casting pressure struts the sticky tape, thereby carries out the slip casting to the week side of bored concrete pile.
In summary, the present application includes at least one of the following beneficial technical effects:
1. establish the hoop piece at horizontal slip casting pipe overcoat, make the second pivot towards the direction removal near first pivot through rotatory bolt to make the distance between the hoop piece both ends shorten, in order to make the hoop piece tighten up, when the hoop piece tightens up, the inner wall that the hoop piece ordered about horizontal slip casting pipe pastes the outer wall in screw conduit, and then makes horizontal slip casting pipe fixed with vertical slip casting union coupling. The connection and fixation mode does not need welding, the phenomena of holes and slag inclusion of a welding joint are not easy to occur, and the grouting construction effect is good;
2. through setting up a plurality of horizontal slip casting pipes along the length direction interval of steel reinforcement cage, the setting up of a plurality of slip casting pipes makes in the work progress of back slip casting, can pour into the mud to the not co-altitude position of the stake side of bored concrete pile into, and then solidifies the mud skin and the soil of the not co-altitude position of the stake side of bored concrete pile to make bored concrete pile's bearing capacity obtain promoting.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view showing the assembly relationship between the vertical grouting guide and the horizontal grouting guide in the present embodiment;
fig. 3 is a schematic diagram for showing the assembling relationship between the hoop sheet and the bolt according to the embodiment.
Description of reference numerals: 1. a reinforcement cage; 2. a grouting guide pipe; 201. a vertical grouting conduit; 202. a horizontal grouting conduit; 3. grouting holes; 4. an adhesive tape; 5. a crossover sub; 6. a threaded conduit; 7. a hoop sheet; 8. a first fixed block; 9. a first accommodating cavity; 10. a first rotating shaft; 11. a bolt; 12. a first through groove; 13. a second fixed block; 14. a second accommodating cavity; 15. a second rotating shaft; 16. a second through groove; 17. a sliding sheet; 18. and a limiting edge.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The utility model provides a slip casting self-adaptation pipe system behind bored concrete pile, refers to fig. 1, including steel reinforcement cage 1 and fixed connection in the slip casting pipe 2 on steel reinforcement cage 1, slip casting pipe 2 includes vertical slip casting pipe 201 and horizontal slip casting pipe 202, and vertical slip casting pipe 201 sets up and is hollow cylindric along the length direction of steel reinforcement cage 1, and horizontal slip casting pipe 202 is perpendicular just to be the arc setting with vertical slip casting pipe 201. One end of the vertical grouting guide pipe 201 extends into the reinforcement cage 1, and one end of the vertical grouting guide pipe 201 extending into the reinforcement cage 1 is communicated with the horizontal grouting guide pipe 202.
Referring to fig. 1, in the present embodiment, a thin-walled aluminum pipe is used as the vertical grouting pipe 201, a pvc steel wire pipe is used as the horizontal grouting pipe 202, and both the vertical grouting pipe 201 and the horizontal grouting pipe 202 are fixed to the reinforcement cage 1 by using steel wire binding.
Referring to fig. 1 and 2, the horizontal grouting pipes 202 have grouting holes 3 formed in the sidewalls thereof, and the grouting holes 3 have diamond-shaped cross sections. In this embodiment, the number of the grouting holes 3 is set to be plural, and the plurality of grouting holes 3 are provided at intervals in the circumferential direction of the horizontal grouting pipe 202. The side wall of the horizontal grouting guide 202 is wound with an adhesive tape 4 for protecting the grouting holes 3.
Referring to fig. 1 and 2, in the present embodiment, a plurality of vertical grouting pipes 201 and a plurality of horizontal grouting pipes 202 are provided, the plurality of horizontal grouting pipes 202 correspond to the plurality of vertical grouting pipes 201 one to one, and the plurality of horizontal grouting pipes 202 are arranged at intervals along the length direction of the reinforcement cage 1.
Referring to fig. 2, an adapter 5 for connecting a horizontal grouting conduit 202 is disposed at one end of a vertical grouting conduit 201 extending into a reinforcement cage 1, in this embodiment, the adapter 5 is a three-way adapter having three adapter ports, two of the three adapter ports are located on the same straight line, and the other adapter port is perpendicular to the two adapter ports located on the same straight line.
Referring to fig. 2, the three joints of the adapter 5 are all connected with threaded conduits 6 by threads, wherein two threaded conduits 6 are located on the same straight line and horizontally arranged, and the other threaded conduit 6 is vertically arranged. The vertical grouting guide pipe 201 is in threaded connection with the vertically arranged threaded guide pipe 6, and two ends of the horizontal grouting guide pipe 202 are respectively sleeved on the two horizontal threaded guide pipes 6.
Referring to fig. 2, a hoop 7 for driving the inner wall of the horizontal grouting pipe 202 to cling to the outer wall of the threaded pipe 6 is sleeved at the horizontal grouting pipe 202, the hoop 7 is located at the connection position of the horizontal grouting pipe 202 and the threaded pipe 6, and the hoop 7 is arranged in an arc shape.
Referring to fig. 3, one end of the hoop sheet 7 is fixedly connected with a first fixing block 8, a first holding cavity 9 is formed in the first fixing block 8, a first rotating shaft 10 is placed in the first holding cavity 9 in a rotating mode, a first through hole is formed in the first rotating shaft 10, a bolt 11 penetrates through the first through hole, and the bolt 11 is in threaded connection with the first rotating shaft 10. The lateral wall of the first fixing block 8 is provided with a first through groove 12 for the bolt 11 to penetrate through, and the first through groove 12 penetrates through the first accommodating cavity 9.
Referring to fig. 3, the other end of the hoop sheet 7 is fixedly connected with a second fixed block 13, a second accommodating cavity 14 is formed in the second fixed block 13, a second rotating shaft 15 is rotatably placed in the second accommodating cavity 14, a second through groove 16 for the bolt 11 to penetrate through is formed in the side wall of the second fixed block 13, and the second through groove 16 penetrates through the second accommodating cavity 14. One end of the bolt 11 far away from the first rotating shaft 10 passes through the second through groove 16 and then passes through the second rotating shaft 15, and the second rotating shaft 15 is in threaded connection with the bolt 11.
Referring to fig. 3, one end of the hoop sheet 7 close to the first fixing block 8 is fixedly connected with a sliding sheet 17, the sliding sheet 17 is arranged in an arc shape, and one end of the hoop sheet 7 close to the second fixing block 13 is connected with the sliding sheet in a sliding manner. The side wall of the sliding sheet 17 is fixedly connected with a limiting edge 18, when one end of the hoop sheet 7 close to the second fixed block 13 slides on the sliding sheet 17, the edge of the hoop sheet 7 abuts against the limiting edge 18, so that the position of the end of the hoop sheet 7 close to the second fixed block 13 sliding on the sliding sheet 17 is limited, and the hoop sheet 7 is not easy to deform.
The implementation principle of the application is as follows:
when the horizontal grouting guide pipe 202 and the vertical grouting guide pipe 201 need to be installed and connected, the horizontal grouting guide pipe 202 and the vertical grouting guide pipe 201 are fixed on the reinforcement cage 1 through steel wire binding. A conversion joint 5 (tee joint conversion joint) is taken, threaded pipes 6 are connected to the conversion joint of the conversion joint 5 in a threaded mode, one end, extending into the reinforcement cage 1, of each vertical grouting pipe 201 is connected to the vertically arranged threaded pipes 6 in a threaded mode, and after hoop pieces 7 are respectively sleeved at the two ends of each horizontal grouting pipe 202, the two ends of each horizontal grouting pipe 202 are respectively sleeved with the two threaded pipes 6 located in the horizontal direction.
The bolt 11 on the hoop sheet 7 is rotated to shorten the distance between the hoop sheet 7 and the second rotating shaft 15, at this time, the distance between the two ends of the hoop sheet 7 is shortened, and the hoop sheet 7 is tightened, so that the hoop sheet 7 drives the inner wall of the horizontal grouting guide pipe 202 to be attached to the outer wall of the threaded guide pipe 6, and then the horizontal grouting guide pipe 202 is fixedly connected with the vertical grouting guide pipe 201. The mode of this kind of connection is fixed need not the welding, and also difficult appearance welded joint can produce the hole, presss from both sides the phenomenon of sediment, and the slip casting construction effect is preferred.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a slip casting self-adaptation pipe system behind bored concrete pile, includes steel reinforcement cage (1) and sets up slip casting pipe (2) on steel reinforcement cage (1), slip casting pipe (2) including vertical slip casting pipe (201) and communicate in horizontal slip casting pipe (202) of vertical slip casting pipe (201), slip casting hole (3), its characterized in that have been seted up to the lateral wall of horizontal slip casting pipe (202): the one end of vertical slip casting pipe (201) is provided with crossover sub (5) that are used for connecting horizontal slip casting pipe (202), the switching mouth department of crossover sub (5) is provided with screw conduit (6), screw conduit (6) are located to horizontal slip casting pipe (202) cover, horizontal slip casting pipe (202) overcoat is equipped with hoop piece (7) that are used for driving about the inner wall of horizontal slip casting pipe (202) and paste the outer wall in screw conduit (6), be provided with the direction motion of the one end orientation that is close to the other end of hoop piece (7) that is used for driving about hoop piece (7) on hoop piece (7) to the drive assembly that makes hoop piece (7) tighten up.
2. The post-cast-in-place-pile grouting adaptive conduit system according to claim 1, wherein: drive assembly including rotate set up in first pivot (10) of the one end of hoop piece (7), and rotate set up in second pivot (15) of hoop piece (7) the other end, be provided with bolt (11) between first pivot (10) and second pivot (15), bolt (11) run through first pivot (10) and second pivot (15), first pivot (10) and second pivot (15) and bolt (11) threaded connection.
3. The adaptive conduit system for post-cast-in-place pile grouting according to claim 2, wherein: a first fixing block (8) is arranged at one end, close to a first rotating shaft (10), of the hoop sheet (7), a first accommodating cavity (9) for accommodating the first rotating shaft (10) is formed in the first fixing block (8), the first rotating shaft (10) is rotatably arranged in the first accommodating cavity (9), a first through groove (12) for allowing the bolt (11) to penetrate through is formed in the side wall of the first fixing block (8), and the first through groove (12) penetrates through the first accommodating cavity (9); one end of the hoop piece (7) close to the second rotating shaft (15) is provided with a second fixing block (13), a second accommodating cavity (14) used for placing the second rotating shaft (15) is formed in the second fixing block (13), the second rotating shaft (15) is rotatably arranged in the second accommodating cavity (14), the side wall of the second fixing block (13) is provided with a second penetrating groove (16) used for supplying the bolt (11) to penetrate, and the second penetrating groove (16) penetrates through the second accommodating cavity (14).
4. The adaptive conduit system for post-cast-in-place pile grouting according to claim 3, wherein: one end of the hoop sheet (7) close to the first fixing block (8) is provided with a sliding sheet (17), and the sliding sheet (17) is in sliding fit with one end of the hoop sheet (7) close to the second fixing block (13).
5. The adaptive conduit system for post-cast-in-place pile grouting according to claim 4, wherein: the side wall of the sliding sheet (17) is provided with a limiting edge (18) used for limiting the sliding position of the hoop sheet (7).
6. The adaptive conduit system for post-cast-in-place pile grouting according to claim 1, wherein: the quantity of vertical slip casting pipe (201) and horizontal slip casting pipe (202) all is provided with many, many horizontal slip casting pipe (202) and many vertical slip casting pipe (201) one-to-one, the length direction interval setting of steel reinforcement cage (1) is followed in horizontal slip casting pipe (202).
7. The post-cast-in-place-pile grouting adaptive conduit system according to claim 1, wherein: a plurality of grouting holes (3) are formed in the horizontal grouting guide pipe (202) at intervals, and the grouting holes (3) are formed in the horizontal grouting guide pipe (202) at intervals in the circumferential direction.
8. The post-cast-in-place-pile grouting adaptive conduit system according to claim 1, wherein: and an adhesive tape (4) for protecting the grouting hole (3) is arranged outside the horizontal grouting guide pipe (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220746229.XU CN218060275U (en) | 2022-04-01 | 2022-04-01 | Self-adaptive conduit system for post-grouting of cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220746229.XU CN218060275U (en) | 2022-04-01 | 2022-04-01 | Self-adaptive conduit system for post-grouting of cast-in-place pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218060275U true CN218060275U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220746229.XU Active CN218060275U (en) | 2022-04-01 | 2022-04-01 | Self-adaptive conduit system for post-grouting of cast-in-place pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218060275U (en) |
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2022
- 2022-04-01 CN CN202220746229.XU patent/CN218060275U/en active Active
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