CN113216182B - Secondary hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile - Google Patents
Secondary hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile Download PDFInfo
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- CN113216182B CN113216182B CN202110516236.0A CN202110516236A CN113216182B CN 113216182 B CN113216182 B CN 113216182B CN 202110516236 A CN202110516236 A CN 202110516236A CN 113216182 B CN113216182 B CN 113216182B
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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
- E02D13/08—Removing obstacles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8808—Stationary installations, e.g. installations using spuds or other stationary supports
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Abstract
The application discloses a clear hole device of secondary for clearing up towards hole bored concrete pile hole bottom sediment, it includes the outer actuating lever of inner chamber cavity and vertical setting, coaxial rotation is interior actuating lever and actuating mechanism in the outer actuating lever, the outer peripheral face of outer actuating lever bottom has the fixed plate of a plurality of vertical settings along its circumference interval equipartition, set firmly the movable plate with the fixed plate one-to-one on the outer peripheral face of interior actuating lever bottom, the movable plate is including fixed frame and first net portion, the sealing member that is used for sealing first net portion has set firmly on the fixed plate, be fixed with the flexible net portion of second between the outside edge of movable plate and the outside edge of fixed plate, be fixed with the flexible membrane portion of third between the bottom edge of movable plate and the bottom edge of fixed plate, the mesh that the first net portion is greater than the flexible net portion of second. This application has the effect of the efficiency of construction of this process of clear hole.
Description
Technical Field
The application relates to the technical field of cast-in-place pile construction, in particular to a secondary hole cleaning device and method for cleaning sediments at the bottom of a punched cast-in-place pile hole.
Background
With the increasing of high-rise buildings, the importance of deep foundations is increasingly important, so that the construction process in the pile forming process of the cast-in-place pile plays a vital role in ensuring the bearing capacity of the ultra-deep cast-in-place pile.
The cast-in-place pile is a pile made by casting concrete or reinforced concrete and the cast-in-place pile is punched by a punching machine to form a hole for the slurry wall protection. The hole cleaning refers to cleaning up sediments at the bottom of the hole, the step is an important link in the construction of the cast-in-place pile, and the construction quality of the hole cleaning process directly influences the quality of the formed pile. In the hole cleaning process in the related art, the slag pumping barrel formed by connecting the steel wire meshes is usually placed to the bottom of a hole, so that sediments enter the slag pumping barrel, and mud flows out through gaps on the slag pumping barrel to clean the sediments.
With respect to the above-described related art, the inventors consider that the following drawbacks exist: the sediment that takes out through the sediment method of taking out among the above-mentioned correlation technique, the majority is the bold sediment, and less granule is hardly taken away by taking out the sediment bucket, causes the clear hole incomplete, need clear hole many times repeatedly, and clear hole efficiency is waited to improve.
Disclosure of Invention
In order to improve the construction efficiency of the hole cleaning process, the application provides a secondary hole cleaning device and method for cleaning the sediment at the bottom of a punched cast-in-place pile hole.
The application provides a secondary clear hole device and method for clearing punching bored concrete pile hole bottom sediment adopts following technical scheme:
a secondary hole cleaning device for cleaning the hole bottom sediment of a punching filling pile comprises an outer driving rod, an inner driving rod and a driving mechanism, wherein the outer driving rod is hollow and vertically arranged in an inner cavity, the inner driving rod and the driving mechanism coaxially rotate in the outer driving rod, the driving mechanism is used for respectively driving the outer driving rod, the inner driving rod to rotate and driving the outer driving rod and the inner driving rod to move in the same direction along the vertical direction, the driving mechanism is arranged on the ground outside a pile hole opening, a plurality of vertically arranged fixed plates are uniformly distributed on the outer peripheral surface of the bottom end of the outer driving rod along the circumferential direction at intervals, the fixed plates extend along the radial direction of the outer driving rod, moving plates which correspond to the fixed plates one by one are fixedly arranged on the outer peripheral surface of the bottom end of the inner driving rod and comprise a fixed outer frame and a first net part, sealing elements used for sealing the first net part are fixedly arranged on the fixed plates, and a second flexible net part is fixedly arranged between the outer edge of the moving plates and the outer edge of the fixed plates, a third flexible film part is fixed between the bottom edge of the moving plate and the bottom edge of the fixed plate, the third flexible film part and the second flexible net part are fixedly connected on one side close to each other, and the meshes of the first net part are larger than those of the second flexible net part.
By adopting the technical scheme, after large sediments are cleaned by the slag-pumping barrel in the related technology, secondary hole cleaning of a pile hole is carried out, when the movable plate is in an initial state, the movable plate is close to the fixed plate, the outer driving rod and the inner driving rod move downwards along the pile hole through the driving mechanism, when the movable plate and the fixed plate move to a position close to the bottom of the hole, the inner driving rod and the outer driving rod are driven to synchronously rotate through the driving mechanism to stir sediments and slurry at the bottom of the hole, smaller particles in the sediments such as broken stones float upwards, after the hole cleaning device reaches the bottom of the pile hole, the driving of the outer driving rod and the inner driving rod is stopped, the inner driving rod is driven to rotate through the driving device to further drive the movable plate to rotate, so that the second flexible net part and the third flexible film part are unfolded until the movable plate is sealed by the sealing element on the adjacent fixed plate, and a net bag is formed in an area between the movable plate and the fixed plate, mud and sediment get into in the pocket through first net portion, and upwards mention after a period of standing, mud passes through the discharge of the flexible net portion of second, and the sediment is stayed in the pocket, realizes the clearance to the less granule of sediment, has promoted the efficiency of construction of this process of hole cleaning.
Preferably, the interval in the upper and lower both ends of movable plate is provided with two sets of supporting components on the outer drive pole, the supporting component includes the many bracing pieces of the circumference interval equipartition along the outer drive pole, the radial setting of outer drive pole is followed to the bracing piece, the upper and lower both ends of the flexible net portion of second vertical extension respectively have the extension, one side butt in the extension of bracing piece outside the outer drive pole is inboard.
Through adopting above-mentioned technical scheme, the movable plate drives second flexible net portion and the rotation of third flexible membrane portion for fixed plate pivoted in-process, makes the bracing piece outside the back one end of actuating lever support in the extension inboard in proper order, supports the flexible net portion of second, makes the flexible net portion of second expand the back and is close to the arc as far as, has increased the inner space of pocket.
Preferably, the one end of bracing piece outside the driving lever sets firmly the deflector that is the arc setting, set firmly the montant that corresponds with the deflector on the fixed frame, the in-process that the movable plate removed, the montant contacts with the outer peripheral face of deflector.
Through adopting above-mentioned technical scheme, because the length of outer actuating lever and interior actuating lever is longer, lead to the skew condition to appear in the axis of interior actuating lever and outer actuating lever easily, influence the normal removal of movable plate, the in-process that the movable plate removed, the cooperation of montant and deflector has played direction and positioning action to the movable plate.
Preferably, the edge of the guide plate, which is close to one side of the fixing plate, is provided with a fillet, which is convenient for the vertical rod to move to contact with the outer peripheral surface of the guide plate.
Through adopting above-mentioned technical scheme, the montant of being convenient for contacts with the outer peripheral face of deflector, has played the guide effect to the removal of montant.
Preferably, a protection plate is fixedly arranged on one side, back to the outer driving rod, of the fixing plate, the protection plate is vertically arranged, and the protection plate is an arc-shaped plate with the circle center located on one side facing the fixing plate.
Through adopting above-mentioned technical scheme, the setting of protection shield has played certain guard action to the pore wall of stake hole, has reduced the damage to the pore wall of stake hole.
Preferably, actuating mechanism is including setting firmly the mount on the ground outside the stake hole mouth, it is connected with drive assembly to slide along vertical on the mount, drive assembly is including being used for driving interior actuating lever and outer actuating lever pivoted first drive unit and second drive unit respectively, interior actuating lever and first drive unit and outer actuating lever and second drive unit all keep vertical relative static state, be provided with on the mount and be used for driving drive assembly along vertical movement's power component.
Through adopting above-mentioned technical scheme, remove through power component drive assembly, realize the synchronous syntropy drive of internal drive pole and outer drive pole, and set up through first drive unit and second drive unit and realized the pivoted drive respectively of internal drive pole and outer drive pole.
Preferably, the power assembly comprises a screw rod vertically rotating on the fixing frame and a power motor used for driving the screw rod to rotate, and the power assembly further comprises a threaded sleeve fixedly arranged on the driving assembly, and the threaded sleeve is in threaded connection with the screw rod.
Through adopting above-mentioned technical scheme, start power motor, the screw rod rotates under power motor's effect, because the vertical slip of drive assembly connects in the mount, restricts drive assembly's rotation for the swivel nut drives drive assembly along vertical removal under the effect of screw rod, realizes the drive to drive assembly.
Preferably, the first driving unit comprises a first bevel gear coaxially and rotatably connected to the outer side of the inner driving rod and a second bevel gear engaged with the first bevel gear, the driving unit further comprises a driving motor for driving the second bevel gear to rotate, and the second driving unit has the same structure as the first driving unit.
By adopting the technical scheme, the driving motor is started, the second bevel gear rotates under the action of the driving motor, and then the first bevel gear is driven to drive the inner driving rod to rotate, so that the inner driving rod is driven.
A secondary hole cleaning method for cleaning sediment at the bottom of a punched cast-in-place pile hole mainly comprises the following steps:
s1, driving the outer driving rod and the inner driving rod to vertically move downwards to a position close to the bottom of the pile hole through the power assembly;
s2, when the pile is moved to a position close to the bottom of the hole, the inner driving rod and the outer driving rod synchronously rotate in the same direction through the driving assembly, mud and sediments at the bottom of the hole of the pile are stirred, smaller particles such as broken stones in the sediments float upwards, and the outer driving rod and the inner driving rod are continuously driven to move downwards to the bottom of the hole;
s3, driving the inner driving rod to rotate through the first driving unit, and enabling the second flexible net part and the third flexible film part to be unfolded until the second flexible net part and the third flexible film part are tightly sealed by the sealing elements on the adjacent fixing plates, so that an area between the moving plates and the fixing plates is formed;
s4, in the moving process of the moving plate, smaller particles in the sediments enter the mesh bag through the first mesh part;
s5, standing for a period of time, lifting the inner driving rod and the outer driving rod upwards through the power assembly, keeping sediments in the mesh bag, and discharging mud through the second flexible mesh part;
and S6, repeating the steps until the hole cleaning requirement is met.
By adopting the technical scheme, the small cleaning of the sediments is increased, and the construction efficiency of the hole cleaning process is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in an initial state, the movable plate is close to the fixed plate, the outer driving rod and the inner driving rod are driven to move downwards along the pile hole by the driving mechanism, when the movable plate moves to a position where the fixed plate and the movable plate are close to the bottom of the hole, the inner driving rod and the outer driving rod are driven to synchronously rotate by the driving mechanism to stir sediment and slurry at the bottom of the hole, smaller particles such as broken stones in the sediment float upwards, after the hole cleaning device reaches the bottom of the hole of the pile hole, the driving of the outer driving rod and the inner driving rod is stopped, the inner driving rod is driven to rotate by the driving device to further drive the movable plate to rotate, so that the second flexible net part and the third flexible film part are unfolded until being tightly sealed by a sealing element on the adjacent fixed plate, a mesh bag is formed in an area between the movable plate and the fixed plate, the slurry and the sediment enter the mesh bag through the first net part, are lifted upwards after standing for a period of time, and the slurry is discharged through the second flexible net part, the sediments are left in the mesh bag, so that the cleaning of smaller particles of the sediments is realized, and the construction efficiency of the hole cleaning process is improved;
2. in the process that the movable plate rotates relative to the fixed plate, the second flexible net part and the third flexible film part are driven to rotate, one end of the support rod, which is back to the outer driving rod, is sequentially abutted and supported on the inner side of the extension part to support the second flexible net part, so that the second flexible net part is as close to an arc shape as possible after being unfolded, and the internal space of the mesh bag is increased;
3. because the length of outer actuating lever and interior actuating lever is longer, lead to the condition that the axis of interior actuating lever and outer actuating lever appears deviating easily, influence the normal removal of movable plate, the movable plate removes the in-process, and the cooperation of montant and deflector has played direction and positioning action to the movable plate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a partial structural schematic view showing the structure of the drive mechanism in this application.
Fig. 3 is a partial structural view showing the structure of a portion for collecting sludge in the present application.
Fig. 4 is a partial structural view showing the structure of the support member.
Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a partially enlarged schematic view of a portion B in fig. 4.
Description of reference numerals: 1. an outer drive rod; 11. a yielding groove; 2. an inner drive rod; 3. a drive mechanism; 31. a fixed mount; 32. a drive assembly; 321. a first drive unit; 3211. a first bevel gear; 3212. a second bevel gear; 3213. a rotating shaft; 3214. a drive motor; 322. a second driving unit; 323. a connecting frame; 3231. a first connecting lug; 33. a guide bar; 34. a power assembly; 341. a screw; 342. a threaded sleeve; 343. a power motor; 4. a fixing plate; 41. a protection plate; 42. a gasket; 5. moving the plate; 51. fixing the outer frame; 511. an upper extension rod; 512. a lower extension bar; 513. a vertical rod; 52. a first net section; 6. a second flexible web portion; 61. an extension portion; 7. a third flexible film portion; 8. a mesh bag; 9. a support assembly; 91. a support bar; 92. a guide plate; 921. round corners; 101. a first support plate; 102. a second support plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a clear hole device of secondary for clearing up punching bored concrete pile hole bottom sediment combines fig. 1 and fig. 2, including outer actuating lever 1 and the coaxial interior actuating lever 2 of rotating in outer actuating lever 1 of inner chamber cavity and vertical setting, outer actuating lever 1 and the coaxial setting in stake hole when stretching into in the stake hole, the top of interior actuating lever 2 stretches out in the inner chamber of outer actuating lever 1.
The ground outside the pile hole opening is provided with a driving mechanism 3, the driving mechanism 3 comprises a fixing frame 31 fixedly connected to the ground through a plurality of anchor bolts, the fixing frame 31 is connected with a driving assembly 32 in a sliding manner, and the driving assembly 32 comprises a first driving unit 321 used for driving the inner driving rod 2 to rotate and a second driving unit 322 used for driving the outer driving rod 1 to rotate.
The driving assembly 32 further includes a connecting frame 323 disposed on the fixing frame 31, a first supporting plate 101 for supporting the outer driving rod 1 is fixedly connected to the connecting frame 323, the outer driving rod 1 is rotatably connected to the first supporting plate 101 and can only rotate relatively to the first supporting plate 101, a second supporting plate 102 for supporting the inner driving rod 2 is fixedly connected to the connecting frame 323, and the inner driving rod 2 is rotatably connected to the second supporting plate 102 and can only rotate relatively to the second supporting plate 102.
The first driving unit 321 includes a first bevel gear 3211 coaxially and fixedly disposed at a top end of the inner driving rod 2, a second bevel gear 3212 is engaged and connected to one side of the first bevel gear 3211, the second bevel gear 3212 is horizontally disposed in an axial direction, a rotating shaft 3213 is coaxially and fixedly disposed on an inner side of the second bevel gear 3212, one end of the rotating shaft 3213, which is opposite to the second bevel gear 3212, is rotatably connected to the connecting frame 323, and the first driving unit 321 further includes a driving motor 3214 fixedly disposed on the connecting frame 323 and configured to drive the rotating shaft 3213 to rotate. When the driving motor 3214 is started, the rotating shaft 3213 drives the second bevel gear 3212 to rotate under the action of the driving motor 3214, so as to drive the first bevel gear 3211 to drive the inner driving rod 2 to rotate.
The second driving unit 322 is located right below the first driving unit 321, and the structure of the second driving unit 322 is the same as that of the first driving unit 321, and is not described again.
A guide bar 33 is fixed on one side of the connecting frame 323 on the fixing frame 31, and the guide bar 33 is vertically arranged. The connecting frame 323 is fixedly connected with a first connecting lug 3231 corresponding to the guide rod 33, and the first connecting lug 3231 is sleeved outside the guide rod 33 and slidably connected with the guide rod 33.
The driving mechanism 3 further comprises a power assembly 34 for driving the driving assembly 32 to move vertically, the power assembly 34 comprises a screw 341 vertically arranged on the other side of the connecting frame 323, the bottom end of the screw 341 is rotatably connected to the fixed frame 31, a power motor 343 for driving the screw 341 to rotate is arranged below the fixed frame 31, the power assembly 34 further comprises a threaded sleeve 342 fixedly connected to the connecting frame 323, and the threaded sleeve 342 is in threaded connection with the outer side of the screw 341. The power motor 343 is started, the screw 341 rotates under the action of the power motor 343, and the driving assembly 32 is vertically connected to the fixed frame 31 in a sliding manner to limit the rotation of the driving assembly 32, so that the screw sleeve 342 drives the driving assembly 32 to vertically move under the action of the screw 341.
Referring to fig. 3, a plurality of fixing plates 4 are uniformly distributed on the outer circumferential surface of the bottom end of the outer driving rod 1 at intervals along the circumferential direction thereof, and in this embodiment, the number of the fixing plates 4 is three. Fixed plate 4 is the rectangular plate of vertical setting, and the length direction of fixed plate 4 sets up along vertical direction, and the width direction of fixed plate 4 sets up along the radial of outer actuating lever 1.
One end of the fixing plate 4, which is back to the outer driving rod 1, is fixedly connected with a vertically arranged protection plate 41, and the cross section of the protection plate 41 is in the shape of an arc with the center of circle facing the fixing plate 4. When the fixing plate 4 enters the pile hole, the outer side surface of the protection plate 41 is in contact with the hole wall of the pile hole, so that the hole wall of the pile hole is protected to a certain extent, and the damage to the hole wall of the pile hole in the hole cleaning process is reduced.
With reference to fig. 3, 4 and 5, the outer driving rod 1 has two abdicating slots 11 formed between any two adjacent fixing plates 4, each abdicating slot 11 is a through slot, and the abdicating slots 11 are formed at positions where the fixing plates 4 are close to the top end and the fixing plates 4 are close to the bottom end. The bottom end of the inner driving rod 2 extends downwards out of the inner cavity of the outer driving rod 1.
The peripheral surface of the bottom end of the inner driving rod 2 is fixedly provided with moving plates 5 which are in one-to-one correspondence with the fixed plates 4, and at the beginning, the moving plates 5 and the fixed plates 4 which are in correspondence with the moving plates 5 are close to each other.
Referring to fig. 4, 5 and 6, the moving plate 5 includes a fixed frame 51 having a rectangular shape, one side of the fixed frame 51 facing the outer driving rod 1 contacts with the outer circumferential surface of the outer driving rod 1, and a first net 52 is fixedly connected to the inner side of the fixed frame 51. The upper end and the lower end of one side of the fixed outer frame 51 close to the outer driving rod 1 are respectively extended with an upper extension rod 511 and a lower extension rod 512, the upper extension rod 511 and the lower extension rod 512 both penetrate through the corresponding abdicating groove 11 and are fixedly connected with the peripheral surface of the inner driving rod 2, and the upper extension rod 511 and the lower extension rod 512 are respectively connected with the corresponding abdicating groove 11 in a sliding manner.
Referring to fig. 3, a second flexible net portion 6 is fixed between the outer edge of the moving plate 5 and the outer edge of the fixed plate 4, a third flexible film portion 7 is fixed between the bottom edge of the moving plate 5 and the bottom edge of the fixed plate 4, and the third flexible film portion 7 and the second flexible net portion 6 are fixedly connected to one side close to each other. The moving plate 5 rotates towards the side opposite to the fixed plate 4 to drive the second flexible net part 6 and the third flexible mold part to expand, so that the second flexible net part 6, the third flexible film part 7, the first net part 52, the fixed plate 4 and the part of the outer driving rod 1 between the moving plate 5 and the fixed plate 4 form a net bag 8 with an open top end together.
In order to prevent the sludge in the slurry from entering the mesh bag 8 through the first mesh part 52 and passing through the second flexible mesh part 6, the mesh opening of the first mesh part 52 is larger than that of the second flexible mesh part 6.
The fixed plate 4 which does not pass through the second flexible net part 6 with the moving plate 5 is provided with a sealing gasket 42 for sealing the first net part 52, the sealing gasket 42 is fixed on the fixed plate 4, and the moving plate 5 can rotate around the inner driving rod 2 to abut against the sealing gasket 42 to seal the first net part 52.
Referring to fig. 3 and 4, two sets of support assemblies 9 are symmetrically disposed on the outer circumferential surface of the outer driving rod 1 at the upper and lower ends of the fixing plate 4, and the support assemblies 9 are used for supporting and positioning the second flexible net part 6, so that the second flexible net part 6 is as close to an arc shape as possible after being unfolded, and the inner space of the mesh bag 8 is increased.
The two sets of support members 9 are respectively located above and below the fixed outer frame 51.
The support assembly 9 includes the support rod 91 that radially extends along the outer drive rod 1, and the support rod 91 has many along the circumference interval equipartition of outer drive rod 1, and in this embodiment, the quantity of support rod 91 sets up to three. One end of the support rod 91, which faces away from the outer driving rod 1, is fixedly provided with a guide plate 92, and the guide plate 92 is an arc-shaped plate and is located inside the second flexible net part 6. In the moving process of the moving plate 5, the outer side of the vertical rod 513 contacts with the outer peripheral surface of the guide plate 92, and when the second flexible net part 6 is in the unfolded state, the outer peripheral surface of the guide plate 92 is supported on the inner side of the extension part 61 to support the second flexible net part 6, and the moving plate 5 is guided and positioned.
In order to facilitate the matching of the vertical bar 513 and the guide plate 92, the two vertically arranged outer edges of the guide plate 92 are provided with rounded corners 921.
The application also discloses a secondary hole cleaning method for cleaning the hole bottom sediment of the punched cast-in-place pile, which comprises the following steps:
s1, cleaning the large sediments through the slag extractor in the related art, performing secondary hole cleaning of the pile hole, starting the power motor 343, rotating the screw 341 under the action of the power motor 343, and limiting the rotation of the driving assembly 32 because the driving assembly 32 is vertically slidably connected to the fixed frame 31, so that the screw cap 342 drives the driving assembly 32 to vertically move downward under the action of the screw 341, and the driving assembly 32 drives the outer driving rod 1 and the inner driving rod 2 to vertically move downward to a position close to the bottom of the pile hole;
s2, when the outer driving rod 1 and the inner driving rod 2 move to the position close to the hole bottom, the first driving unit 321 and the second driving unit 322 are started simultaneously, so that the inner driving rod 2 and the outer driving rod 1 synchronously rotate in the same direction, mud and sediments at the hole bottom of the pile hole are stirred, smaller particles such as broken stones in the sediments float upwards, and meanwhile, the outer driving rod 1 and the inner driving rod 2 are continuously driven by the power assembly 34 to move downwards to the hole bottom of the pile hole;
s3, after the bottom end of the hole cleaning device moves to the bottom of the pile hole, the first driving unit 321 drives the inner driving rod 2 to rotate, so that the moving plate 5 rotates back to the corresponding fixing plate 4, the second flexible net part 6 and the third flexible membrane part 7 are unfolded until the first net part 52 abuts against the sealing gasket 42 on the adjacent fixing plate 4 and is sealed by the sealing gasket 42, and the first driving unit 321 stops acting;
s4, in the moving process of the moving plate 5, smaller particles in the sediments enter the mesh bag 8 through the first mesh part 52, and slurry enters the mesh bag 8;
s5, standing for a period of time, lifting the inner driving rod 2 and the outer driving rod 1 upwards through the power assembly 34, wherein the sediments cannot be retained in the mesh bag 8 through the second flexible mesh cloth, and the slurry is discharged through the second flexible mesh part 6, so that the smaller particles in the sediments are cleaned;
and S6, repeating the steps until the hole cleaning requirement is met.
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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a clear hole device of secondary for clearing up punching filling pile hole bottom sediment which characterized in that: the pile hole opening and closing device comprises an outer driving rod (1) with a hollow inner cavity and a vertical arrangement, an inner driving rod (2) and a driving mechanism (3) which coaxially rotate in the outer driving rod (1), wherein the driving mechanism (3) is used for respectively driving the outer driving rod (1), the inner driving rod (2) to rotate and driving the outer driving rod (1) and the inner driving rod (2) to move in the same direction along vertical synchronization, the driving mechanism (3) is arranged on the ground outside a pile hole opening, a plurality of vertically arranged fixed plates (4) are uniformly distributed on the outer peripheral surface of the bottom end of the outer driving rod (1) along the circumferential direction at intervals, the fixed plates (4) extend along the radial direction of the outer driving rod (1), movable plates (5) which correspond to the fixed plates (4) one by one are fixedly arranged on the outer peripheral surface of the bottom end of the inner driving rod (2), and each movable plate (5) comprises a fixed outer frame (51) and a first net part (52), a sealing element used for sealing the first net part (52) is fixedly arranged on the fixed plate (4), a second flexible net part (6) is fixed between the outer edge of the movable plate (5) and the outer edge of the fixed plate (4), a third flexible film part (7) is fixed between the bottom edge of the movable plate (5) and the bottom edge of the fixed plate (4), one side, close to each other, of the third flexible film part (7) and one side, close to the second flexible net part (6), of the second flexible net part (6) are fixedly connected, and the meshes of the first net part (52) are larger than those of the second flexible net part (6);
two groups of supporting assemblies (9) are arranged on the outer driving rod (1) at the upper end and the lower end of the moving plate (5) at intervals, each supporting assembly (9) comprises a plurality of supporting rods (91) which are uniformly distributed along the circumferential direction of the outer driving rod (1) at intervals, the supporting rods (91) are arranged along the radial direction of the outer driving rod (1), the upper end and the lower end of the second flexible net part (6) are respectively and vertically extended with an extending part (61), and one side of each supporting rod (91) back to the outer driving rod (1) abuts against the inner side of each extending part (61);
a protection plate (41) is fixedly arranged on one side, back to the outer driving rod (1), of the fixing plate (4), the protection plate (41) is vertically arranged, and the protection plate (41) is an arc-shaped plate with the circle center positioned on one side facing the fixing plate (4);
actuating mechanism (3) are including setting firmly mount (31) on the ground outside the stake hole mouth, it is connected with drive assembly (32) to slide along vertical on mount (31), drive assembly (32) are including being used for driving interior drive pole (2) and outer drive pole (1) pivoted first drive unit (321) and second drive unit (322) respectively, interior drive pole (2) and first drive unit (321) and outer drive pole (1) and second drive unit (322) all keep vertical relative static's state, be provided with on mount (31) and be used for driving drive assembly (32) along vertical removal's power component (34).
2. The secondary hole cleaning device for cleaning the hole bottom sediment of the punched cast-in-place pile according to claim 1, is characterized in that: the utility model discloses a bracing piece, including bracing piece (91) outside drive pole (1), the one end of bracing piece (91) outside the back has set firmly deflector (92) that are the arc setting, fixed frame (51) are last to set firmly montant (513) corresponding with deflector (92), the in-process that movable plate (5) removed, montant (513) and the outer peripheral face contact of deflector (92).
3. The secondary hole cleaning device for cleaning the hole bottom sediment of the punched cast-in-place pile according to claim 2, is characterized in that: the edge of one side of the guide plate (92) close to the fixing plate (4) is provided with a fillet (921) which is convenient for the vertical rod (513) to move to contact with the outer peripheral surface of the guide plate (92).
4. The secondary hole cleaning device for cleaning the hole bottom sediment of the punched cast-in-place pile according to claim 1, is characterized in that: the power assembly (34) comprises a screw (341) vertically rotating on the fixed frame (31) and a power motor (343) used for driving the screw (341) to rotate, the power assembly (34) further comprises a threaded sleeve (342) fixedly arranged on the driving assembly (32), and the threaded sleeve (342) is in threaded connection with the screw (341).
5. The secondary hole cleaning device for cleaning the hole bottom sediment of the punched cast-in-place pile according to claim 1, is characterized in that: the first driving unit (321) comprises a first bevel gear (3211) coaxially and rotatably connected to the outer side of the inner driving rod (2) and a second bevel gear (3212) meshed with the first bevel gear (3211), the driving unit further comprises a driving motor (3214) for driving the second bevel gear (3212) to rotate, and the second driving unit (322) and the first driving unit (321) have the same structure.
6. A secondary hole cleaning method using the secondary hole cleaning device for cleaning the sediment at the bottom of the hole of the punching cast-in-place pile according to any one of claims 1-5, which mainly comprises the following steps:
s1, driving the outer driving rod (1) and the inner driving rod (2) to vertically move downwards to a position close to the bottom of the pile hole through the power assembly (34);
s2, when the pile is moved to a position close to the bottom of the hole, the inner driving rod (2) and the outer driving rod (1) synchronously rotate in the same direction through the driving assembly (32), mud and sediments at the bottom of the hole of the pile are stirred, smaller particles in the sediments float upwards, and meanwhile, the outer driving rod (1) and the inner driving rod (2) are continuously driven to move downwards to the bottom of the hole;
s3, the first driving unit (321) drives the inner driving rod (2) to rotate, so that the second flexible net part (6) and the third flexible film part (7) are unfolded until being sealed by a sealing element on the adjacent fixing plate (4), and a net bag (8) is formed in the area between the moving plate (5) and the fixing plate (4);
s4, in the moving process of the moving plate (5), smaller particles in the sediments enter the mesh bag (8) through the first mesh part (52);
s5, standing for a period of time, lifting the inner driving rod (2) and the outer driving rod (1) upwards through the power assembly (34), keeping sediments in the mesh bag (8), and discharging slurry through the second flexible mesh part (6);
and S6, repeating the steps until the hole cleaning requirement is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516236.0A CN113216182B (en) | 2021-06-10 | 2021-06-10 | Secondary hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516236.0A CN113216182B (en) | 2021-06-10 | 2021-06-10 | Secondary hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile |
Publications (2)
| Publication Number | Publication Date |
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| CN113216182A CN113216182A (en) | 2021-08-06 |
| CN113216182B true CN113216182B (en) | 2021-11-02 |
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| CN202110516236.0A Expired - Fee Related CN113216182B (en) | 2021-06-10 | 2021-06-10 | Secondary hole cleaning device and method for cleaning sediment at hole bottom of punched cast-in-place pile |
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| CN110043205A (en) * | 2019-05-16 | 2019-07-23 | 深圳市工勘岩土集团有限公司 | Bored concrete pile secondary pile hole cleaning method |
| CN111560956A (en) * | 2020-05-20 | 2020-08-21 | 珠海君豪岩土科技有限公司 | Device for crushing slag at hole bottom of large-size pile hole after placing steel reinforcement cage and slag crushing method |
| CN211715080U (en) * | 2020-03-02 | 2020-10-20 | 杨兆鑫 | Waste residue clean-up equipment is used in construction of drilling bored concrete pile |
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| EP2998037A1 (en) * | 2014-09-19 | 2016-03-23 | Bauer Spezialtiefbau GmbH | Cleaning device for cleaning a base of a borehole and method for creating a foundation element |
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| CN113216182A (en) | 2021-08-06 |
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