CN218030114U - Device for removing pile hole sediment of cast-in-place pile - Google Patents
Device for removing pile hole sediment of cast-in-place pile Download PDFInfo
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- CN218030114U CN218030114U CN202222158134.9U CN202222158134U CN218030114U CN 218030114 U CN218030114 U CN 218030114U CN 202222158134 U CN202222158134 U CN 202222158134U CN 218030114 U CN218030114 U CN 218030114U
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Abstract
The utility model relates to a bored concrete pile construction equipment field discloses a device for driving bored concrete pile hole sediment, and it includes the sediment removal rig, install the drilling rod on the sediment removal rig, install the drill bit in the drilling rod bottom and be used for collecting the collection sedimentation tank of sediment, and the drilling rod lateral wall is provided with a plurality of stirring blades, is provided with a plurality of stirring teeth on the drill bit, collects through the collecting pipe intercommunication between sedimentation tank and the stake hole, is provided with the suction pump in the middle of the collecting pipe. The application conveniently clears away the sediment of stake hole bottom thoroughly to reduce the influence to bored concrete pile bearing capacity.
Description
Technical Field
The application relates to the field of cast-in-place pile construction equipment, in particular to a device for removing pile hole sediment of a cast-in-place pile.
Background
The cast-in-place pile is a pile formed by forming a hole in place and pouring concrete or reinforced concrete. The cast-in-place pile has the advantages of no vibration, no soil squeezing, low noise, suitability for dense urban building areas and the like during construction, and is widely applied to construction.
The cast-in-place pile is divided into three methods, namely slurry wall protection hole forming, dry operation hole forming and casing wall protection according to whether a drill bit of a drilling machine is constructed in a soil aquifer or not. The process flow of the slurry retaining wall pore-forming cast-in-place pile construction process is as follows: leveling the ground → digging a slurry pool → embedding a pile casing → drilling machine in place to form a hole → circulating slurry, removing waste slurry → cleaning the hole → placing a steel reinforcement cage and a steel guide pipe → pouring underwater concrete.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: the sediment is generally sucked by adopting a sediment suction hole cleaning pump at present, and when the sediment is too thick and is deposited, the sediment is not easily sucked out, so that the sediment is not thoroughly cleaned, and the bearing capacity of the cast-in-place pile can be influenced.
SUMMERY OF THE UTILITY MODEL
In order to thoroughly clear away the sediment of stake hole bottom, reduce the influence to bored concrete pile bearing capacity, this application provides a device for clearing away bored concrete pile hole sediment.
The application provides a device for driving bored concrete pile stake hole sediment adopts following technical scheme:
the utility model provides a device for driving bored concrete pile stake hole sediment, includes the sediment rig, installs the drilling rod on the sediment rig, installs the drill bit in the drilling rod bottom and is used for collecting the collection sedimentation tank of sediment, the drilling rod lateral wall is provided with a plurality of stirring blades, be provided with a plurality of stirring teeth on the drilling rod, collect through the collecting pipe intercommunication between sedimentation tank and the stake hole, be provided with the pulp suction pump in the middle of the collecting pipe, the intercommunication has the slip casting pipe on the pulp casting pipe, be provided with the slip casting pump in the middle of the slip casting pipe.
By adopting the technical scheme, when sediment needs to be removed, the drill rod is placed in the pile hole, the stirring teeth on the drill bit are inserted into the sediment, the sediment is dispersed by the stirring teeth after the drill rod rotates and is mixed with the mud, the stirring blades rotate along with the drill rod at the same time, the mud mixed with the sediment is stirred, the sediment is enabled to rise under the action of centrifugal force, and the grouting pump is used for grouting into the pile hole; and then the slurry mixed with the sediments is absorbed by the slurry suction pump, so that the sediments are cleaned in the slurry circulation process, and the cleaning efficiency and the cleaning effect are improved.
Optionally, the drill rod is hollow, a rotary pipe orifice sealer is arranged at the top end of the drill rod, the slurry outlet end of the grouting pipe is communicated with the rotary pipe orifice sealer, and the drill bit is provided with a through hole communicated with the middle of the drill rod.
Through adopting above-mentioned technical scheme, utilize the grouting pump to the inside slip casting that pressurizes of drilling rod, make mud flow out the back from the drill bit and strike sedimentary sediment, make the sediment disperse more, have the mud of pressure simultaneously and drive the dispersed sediment come-up, the cooperation slurry suction pump work constantly to having mixed the mud of sediment and absorb, make the sediment clearance more thorough.
Optionally, a helical blade is arranged at a position, close to the casing, of the outer side wall of the drill rod, and the helical blade is abutted against the inner wall of the casing.
Through adopting above-mentioned technical scheme, when the drilling rod drove helical blade and rotates, through helical blade and protect a cooperation work, the mud that will mix the sediment upwards carries, makes the mud that mixes the sediment get into the collecting pipe inside, reduces the sediment because of self gravity produces sunken possibility in the position that is close to the stake drill way, promotes the transport effect to the sediment.
Optionally, the collecting pipe is embedded in the soil layer, and the inlet end of the collecting pipe penetrates through the casing.
Through adopting above-mentioned technical scheme, run through the casing with the entry end of collecting pipe, the helical blade rotates the in-process and constantly carries the mud that has mixed the sediment to the entry end of collecting pipe, and the mud that has mixed the sediment gets into inside the collecting pipe under the suction effect of suction pump.
Optionally, the outlet end of the collection tube is lower than the inlet end.
Through adopting above-mentioned technical scheme, be less than the entry end setting with the exit end of collecting pipe, after the mud that mixes the sediment gets into the collecting pipe, make the mud that mixes the sediment flow to the collecting pit under the action of gravity, reduce the mud that mixes the sediment and produce the possibility of backward flow in the collecting pipe inside.
Optionally, the drill bit is arranged in a cone shape.
Through adopting above-mentioned technical scheme, be the toper setting with the drill bit and increase the pressure of drill bit to the sediment, make the drill bit insert the sediment inside easily, make things convenient for the drill bit to stir the sediment when rotating, make sediment and mud mix together.
Optionally, the stirring teeth are arranged in a triangle.
Through adopting above-mentioned technical scheme, be triangle-shaped with the setting of stirring tooth to make things convenient for during the stirring tooth inserts the sediment, stirring tooth stirs sedimentary sediment when the drilling rod rotates, makes the sediment change the dispersion.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when sediment needs to be removed, a drill rod is placed inside a pile hole, stirring teeth on a drill bit are inserted into the sediment, the sediment is dispersed by the stirring teeth after the drill rod rotates and is mixed with slurry, meanwhile, stirring blades rotate along with the drill rod to stir the slurry mixed with the sediment, the sediment is made to rise under the action of centrifugal force, and meanwhile, a grouting pump performs grouting to the inside of the pile hole; then the slurry mixed with the sediments is absorbed by a slurry suction pump, so that the sediments are cleaned in the slurry circulation process, and the cleaning efficiency and the cleaning effect are improved;
2. the grouting pump is used for pressurizing and grouting the interior of the drill rod, so that the mud impacts deposited sediments after flowing out of the drill bit, the sediments are dispersed more, the mud with pressure drives the dispersed sediments to float upwards, and the mud mixed with the sediments is continuously sucked and removed by matching with the work of the slurry suction pump, so that the sediments are cleaned more thoroughly;
3. when the drilling rod drives helical blade and rotates, through helical blade and the cooperation work of a section of thick bamboo that protects, the mud that will mix the sediment upwards carries, makes the mud that mixes the sediment get into inside the collecting pipe, reduces the sediment because of the unable possibility that rises of self gravity, promotes the transport effect to the sediment.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic diagram showing the working state of the drill rod in the embodiment of the application.
Description of reference numerals:
01. pile holes; 02. protecting the cylinder; 03. a pulp tank; 04. settling dregs; 1. a slag removal drilling machine; 2. a drill stem; 21. agitating the blades; 22. a rotary pipe orifice sealer; 23. a helical blade; 3. a drill bit; 31. stirring teeth; 4. collecting a sedimentation tank; 41. a collection pipe; 42. a slurry suction pump; 51. grouting pipes; 52. and (4) grouting pumps.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a device for driving bored concrete pile stake hole sediment. Referring to fig. 1 and 2, an apparatus for removing the sediment in the hole of a bored pile includes a sediment removal drilling machine 1, a drill rod 2, a drill bit 3, and a collection and sedimentation tank 4. A slurry pool 03 is dug at one side of the pile hole 01, and a pile casing 02 is arranged in the pile hole 01 and close to the opening of the pile hole 01.
Referring to fig. 1, a slag removing drilling machine 1 is arranged on the ground at a position close to a pile hole 01, the slag removing drilling machine 1 is a drilling machine special for pile foundation construction in the prior art, a drill rod 2 is arranged on the slag removing drilling machine 1, the connection mode of the drill rod 2 and the slag removing drilling machine 1 is carried out according to the connection mode in the prior art, and the drill rod 2 extends into the pile hole 01.
Referring to fig. 1 and 2, the drill rod 2 is hollow, the rotary pipe orifice sealer 22 is fixedly arranged at the top end of the drill rod 2, the rotary pipe orifice sealer 22 is communicated with the slurry pool 03 through the grouting pipe 51, and the rotary pipe orifice sealer 22 is assembled for finished products purchased in the prior art, so that the slurry outlet end of the grouting pipe 51 does not rotate along with the drill rod 2. A grouting pump 52 is provided in the middle of the grouting pipe 51, and the grouting pump 52 is provided on the ground.
Referring to fig. 1 and 2, a plurality of stirring blades 21 are fixedly arranged on the outer side wall of the drill rod 2, the plurality of stirring blades 21 are in a spiral part on the outer side wall of the drill rod 2 along the axis of the drill rod 2, and the stirring blades 21 are positioned near the bottom end of the drill rod 2. The outer wall of the drill rod 2 is also fixedly provided with a helical blade 23, the helical blade 23 is positioned close to the casing 02, and the helical blade 23 is abutted against the inner wall of the casing 02.
Referring to fig. 1 and 2, the drill bit 3 is fixedly connected to the bottom end of the drill rod 2, the drill bit 3 is arranged in a conical shape, and a through hole communicated with the middle of the grouting pump 52 is formed in the drill bit 3. A plurality of stirring teeth 31 are welded on the drill bit 3, a plurality of groups of stirring teeth 31 are distributed along the circumferential direction of the drill rod 2, and each stirring tooth 31 is arranged in a triangular shape.
Referring to fig. 1 and 2, when sediment 04 is cleaned, the drill rod 2 extends into the pile hole 01 until the drill bit 3 is inserted into the sediment 04, then the drill rod 2 drives the drill bit 3 to rotate, the drill bit 3 moves downwards along the axial direction of the drill rod 2 in the rotating process, and the drill bit 3 with the stirring teeth 31 disperses the sediment 04 to mix the deposited sediment 04 with the slurry. And simultaneously, the grouting pump 52 performs high-pressure grouting to the inside of the drill rod 2, so that the mud is discharged from the through hole, the sediment 04 dispersed by the drill bit 3 is impacted, and the mixture of the mud and the sediment 04 at the bottom of the original pile hole 01 moves upwards. Under the combined action of the stirring blades 21 and the helical blades 23, the mixture of the sediment 04 and the slurry continuously flows to the position of the pile hole 01.
Referring to fig. 1 and 2, the collecting and settling tank 4 is arranged on one side of the slurry tank 03, the bottom of the collecting and settling tank 4 is lower than the slurry tank 03, a collecting pipe 41 is embedded in a soil layer, the inlet end of the collecting pipe 41 penetrates through the pile casing 02 and is communicated with the pile hole 01, the outlet end of the collecting pipe 41 is communicated with the inside of the collecting and settling tank 4, and the outlet end of the collecting pipe 41 is lower than the inlet end. A suction pump 42 is provided in the middle of the collecting pipe 41, and the suction pump 42 is placed underground near the collecting and settling tank 4.
Referring to fig. 1 and 2, when the mixture of the sludge 04 and the slurry is conveyed to the inlet end of the collecting pipe 41, the mixture of the sludge 04 and the slurry enters the collecting pipe 41 under the suction force of the suction pump 42 and continuously enters the collecting and settling tank 4 through the collecting pipe 41, so that the sludge 04 is cleaned.
The implementation principle of the device for removing the sediment in the pile hole of the cast-in-place pile in the embodiment of the application is as follows: when the sediments 04 need to be cleaned, the drill rod 2 firstly extends into the pile hole 01 to enable the drill bit 3 to be inserted into the sediments 04, then the drill rod 2 drives the drill bit 3 to synchronously rotate, the drill bit 3 moves downwards along the axial direction of the drill rod 2 while rotating, the sediments 04 are dispersed by the drill bit 3 in the moving process of the drill bit 3, and the deposited sediments 04 are mixed with slurry. The sediment removal rig 1 is worked while grouting pump 52 and suction pump 42 work synchronously, the grouting pump 52 carries on the high-pressure grouting to the inside of the drilling rod 2, make the mud pour out from the through-hole, impact the sediment 04 dispersed by the bit 3, under the coaction of stirring vane 21 and helical blade 23, make the mixture of original pile hole 01 bottom mud and sediment 04 move up, when the mixture of sediment 04 and mud is conveyed to the entry end of the collecting pipe 41, make under the suction effect of the suction pump 42 enter the collecting pipe 41 inside, and enter the collecting sedimentation tank 4 continuously through the collecting pipe 41, after working for a period of time continuously, the sediment 04 at the bottom of the pile hole 01 is cleared up completely.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a device for driving bored concrete pile stake hole sediment which characterized in that: including scarfing cinder rig (1), install drilling rod (2) on scarfing cinder rig (1), install drill bit (3) in drilling rod (2) bottom and collection sedimentation tank (4) that are used for collecting sediment (04), drilling rod (2) lateral wall is provided with a plurality of stirring blade (21), be provided with a plurality of stirring tooth (31) on drill bit (3), collect through collecting pipe (41) intercommunication between sedimentation tank (4) and stake hole (01), be provided with in the middle of collecting pipe (41) and inhale stuff pump (42), the intercommunication has grouting pipe (51) on thick liquid pond (03), be provided with grouting pump (52) in the middle of grouting pipe (51).
2. The device for removing the pile hole sediment of the cast-in-place pile of claim 1 is characterized in that: the drilling rod (2) is arranged in a hollow mode, the top end of the drilling rod (2) is provided with a rotary pipe orifice sealer (22), the slurry outlet end of the grouting pipe (51) is communicated with the rotary pipe orifice sealer (22), and a through hole communicated with the middle of the drilling rod (2) is formed in the drill bit (3).
3. The device for removing the sediment in the pile hole of the cast-in-place pile according to claim 1, characterized in that: the drill rod (2) is characterized in that a spiral blade (23) is arranged at the position, close to the casing (02), of the outer side wall of the drill rod, and the spiral blade (23) is abutted to the inner wall of the casing (02).
4. The device for removing the pile hole sediment of the cast-in-place pile of claim 1 is characterized in that: the collecting pipe (41) is pre-buried inside the soil layer, and the inlet end of the collecting pipe (41) penetrates through the casing (02).
5. The device for removing the sediment in the pile hole of the cast-in-place pile according to claim 1, characterized in that: the outlet end of the collecting pipe (41) is lower than the inlet end.
6. The device for removing the sediment in the pile hole of the cast-in-place pile according to claim 1, characterized in that: the drill bit (3) is arranged in a conical shape.
7. The device for removing the sediment in the pile hole of the cast-in-place pile according to claim 1, characterized in that: the stirring teeth (31) are arranged in a triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158134.9U CN218030114U (en) | 2022-08-16 | 2022-08-16 | Device for removing pile hole sediment of cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158134.9U CN218030114U (en) | 2022-08-16 | 2022-08-16 | Device for removing pile hole sediment of cast-in-place pile |
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| Publication Number | Publication Date |
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| CN218030114U true CN218030114U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222158134.9U Active CN218030114U (en) | 2022-08-16 | 2022-08-16 | Device for removing pile hole sediment of cast-in-place pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122727A (en) * | 2022-12-16 | 2023-05-16 | 新时代辽科(阜新)爆破工程有限公司 | Blasting drilling equipment |
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2022
- 2022-08-16 CN CN202222158134.9U patent/CN218030114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122727A (en) * | 2022-12-16 | 2023-05-16 | 新时代辽科(阜新)爆破工程有限公司 | Blasting drilling equipment |
| CN116122727B (en) * | 2022-12-16 | 2023-09-22 | 新时代辽科(阜新)爆破工程有限公司 | Blasting drilling equipment |
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