CN116498241A - Hole cleaning and slag dragging barrel for bored pile and use method - Google Patents

Abstract

The invention discloses a drilled pile hole cleaning slag removing barrel and a use method thereof, and belongs to the field of foundation engineering construction. The invention relates to a drilled pile hole cleaning slag bucket and a use method thereof, wherein the drilled pile hole cleaning slag bucket comprises a second filtering and cleaning bucket, and a connecting ring is arranged at the lower end of the second filtering and cleaning bucket; the novel filter cleaning device is characterized in that the first filter cleaning barrel, the connecting ring and the second filter cleaning barrel are welded and fixed, cleaning cavities are formed in the first filter cleaning barrel and the second filter cleaning barrel, and a closed idle plate is arranged on one side of the lower end of the inside of each cleaning cavity. The invention solves the problems that the filter screen bracket of the existing bored pile slag removal device needs to be actively unfolded and stored, the whole structure and the position need to be more movable, and the whole device is blocked by repeated use in the bored pile with more foreign matters for a long time.

Description

Hole cleaning and slag dragging barrel for bored pile and use method

Technical Field

The invention relates to the field of foundation engineering construction, in particular to a drilled pile hole cleaning and slag dragging barrel and a use method thereof.

Background

Drilling is needed in a plurality of construction processes, and because the wet operation of the bored pile has good pore-forming quality, the bored pile is mostly applied to construction of hard rock sections and deep water rock bed pile foundations, but the pile bottom sediment after hammering is not thoroughly removed by adopting mud circulation, the slag removal quality is not guaranteed, the bearing capacity of the pile end is often insufficient or the integrity of the pile body is poor, and the environment is polluted;

the Chinese patent with publication number CN105821880A discloses a bored pile slag removing device and a slag removing method for flushing and dredging slag, comprising a hanging ring, a flushing pipe, a water inlet, a loop, an inclined strut, a filter screen bracket, a water flushing port and a filter screen; the center of the top of the flushing pipe is sealed and fixedly connected with the hanging ring, and the side surface of the flushing pipe is connected with the water inlet; the middle lower part of the flushing pipe is sleeved with the loop; the center of the bottom is fixedly connected with the water flushing port, and the side surface is connected with one end of the filter screen bracket; two ends of the diagonal brace are respectively connected with the middle parts of the loop and the filter screen bracket; the filter screen is covered on the filter screen bracket; the invention has the beneficial effects that the sediment at the pile bottom of the bored pile can be cleaned up, so that the holding force of the bored pile is reliable.

In the practical use process of the slag removing device for the bored pile, the looper of the device is required to slide outside the water inlet in the cleaning process of the foreign matters in the device, the filter screen bracket is required to be actively unfolded and stored, the whole structure and the position are more, and the device is integrally clamped due to repeated use for a long time in the bored pile with more foreign matters, so that the normal use is influenced; therefore, the existing requirements are not met, and a drilled pile hole cleaning and slag dragging barrel and a using method are provided.

Disclosure of Invention

The invention aims to provide a drilled pile hole cleaning slag bucket and a use method thereof, when the whole device longitudinally moves downwards and contacts liquid, an impact of an object can actively push a closed idle plate to rotate and spread by taking a rotating connecting shaft as a circle center, when the device longitudinally pulls upwards and filters, foreign matters in the device can push the closed idle plate to rotate towards a fixed bottom plate by self gravity by taking the rotating connecting shaft as the circle center, the device is rotated and actively closed, only a first filter screen and a second filter screen are left, and the first filter screen and the second filter screen are filtered by the rotating idle plate, so that the position of the liquid in the device which needs to be rotated is reduced in the whole use process, the internal rotating position is reduced to achieve the filtering effect, the phenomenon that the inside of the device is easy to be blocked due to excessive rotating structures is avoided, the whole service life of the device is prolonged, the problem of the frequent maintenance which affects the use efficiency is solved, and the problem in the background technology is solved.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a clear Kong Lao slag ladle of bored pile, includes the second and filters the clearance bucket, the lower extreme of second filters the clearance bucket is provided with the go-between, the cyclic annular evenly distributed of go-between has four hanging blocks, four the inside of hanging block all is provided with the suspension through-hole, and the suspension through-hole runs through and extends to the upper and lower both ends of hanging block;

still include first filtration cleaning barrel, it sets up in the lower extreme of go-between, welded fastening between first filtration cleaning barrel, go-between and the second filtration cleaning barrel, the inside of first filtration cleaning barrel and second filtration cleaning barrel all is provided with the clearance chamber, one side of clearance intracavity portion lower extreme is provided with closed idle board, the opposite side of the inside lower extreme of second filtration cleaning barrel is provided with the filter ring, the opposite side of the inside lower extreme of first filtration cleaning barrel is provided with down the filter ring, both ends all are provided with the support frame around filter ring and last filter ring upper end one side down, rotate through the rotation connecting axle between support frame and the closed idle board and be connected.

Preferably, the inside of going up the filter ring is provided with first filter screen, and the outside of first filter screen is fixed through glue bonding with the inside of last filter ring, the inside of lower filter ring is provided with the second filter screen, and the outside of second filter screen is fixed through glue bonding with the inside of lower filter ring.

Preferably, the mesh number of the first filter screen is smaller than that of the second filter screen.

Preferably, two closed idle plates are arranged, one sides of the lower ends of the two closed idle plates are provided with fixed bottom plates, and one sides of the two fixed bottom plates are welded and fixed with the upper filter ring and the lower filter ring respectively.

Preferably, the upper ends of the outer parts of the four hanging through holes are respectively provided with a first pulling strip, the upper ends of the four first pulling strips are fixedly connected through a fixing ring, two fixing strips are arranged in the fixing ring in a crossing manner, and the two fixing strips are welded and fixed with the fixing ring.

Preferably, the upper end of one of the fixing bars is provided with a connecting handle, the upper end outside the connecting handle is provided with a draw hook, the draw hook is connected with a connecting handle clamping groove, and the upper end of the connecting handle is provided with a second pulling bar.

The invention provides another technical scheme that: the application method of the drilled pile hole cleaning and slag scooping barrel comprises the following steps:

s1: after the first filtering and cleaning barrel and the second filtering and cleaning barrel are connected through the connecting ring and longitudinally move downwards along the bored pile to contact liquid, the liquid sequentially contacts the closed idle plates at one sides of the lower filtering ring and the upper filtering ring, so that the closed idle plates rotate between the two supporting frames by taking the rotating connecting shaft as the center of a circle after contacting impact force, and the liquid sequentially enters the first filtering and cleaning barrel and the second filtering and cleaning barrel;

s2: after the liquid enters the device and stands for a period of time, the pulling structure pulls the pulling hook through the second pulling strip, the pulling hook pulls the fixing strip through the connecting handle, the fixing strip pulls the four first pulling strips which are uniformly distributed in the shape of the lower ring through the fixing ring, and the four first pulling strips pull the first filtering and cleaning barrel and the second filtering and cleaning barrel through the hanging blocks, so that the whole device can longitudinally move upwards, the liquid in the device is driven to simultaneously push the corresponding closed idle plates, the two closed idle plates simultaneously move towards the fixing bottom plate and are supported by the fixing bottom plate, and the liquid can only actively contact the first filter screen and the second filter screen when the liquid is limited to flow;

s3: the liquid is retained at the upper ends of the second filter screen and the first filter screen after passing through the second filter screen and the first filter screen, thereby completing cleaning.

Preferably, the mesh number of the second filter screen is higher than that of the first filter screen, so that liquid in the second filter cleaning barrel can be filtered through the second filter screen after being filtered through the first filter screen, the liquid in the device is divided into two areas and is filtered separately, the filtered liquid is retained in the second filter screen and the first filter screen separately, and the bearing capacity of the filter screen in the device is reduced.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the closed idle plates are arranged at the lower ends of the inside of the first filtering cleaning barrel and the second filtering cleaning barrel, the upper filtering rings are arranged at one sides of the lower ends of the closed idle plates, the front end and the rear end of the upper ends of the upper filtering rings are respectively provided with the rotating connecting shafts, the rotating connecting shafts are in rotating connection with the closed idle plates through the rotating connecting shafts, when the device is actually used and cleaned, the whole device moves downwards longitudinally and contacts liquid, the impact of an object actively pushes the closed idle plates to rotate and spread by taking the rotating connecting shafts as the circle centers, and when the device is pulled upwards longitudinally and filtered, the foreign matters in the device push the closed idle plates to rotate towards the fixed bottom plate by taking the rotating connecting shafts as the circle centers due to the gravity of the foreign matters, the first filtering net and the second filtering net are only remained, and are filtered by the first filtering net and the second filtering net, the liquid and the impact force of the liquid is utilized in the whole use process, the position required to rotate inside the device is reduced, the filtering effect is achieved, the phenomenon that the inside the device is easy to clamp the whole device is avoided, the whole service life is improved due to the fact that the rotating structure is too much is required to be used, and frequent maintenance and service efficiency is avoided.

2. According to the invention, the lower filter ring is arranged in the first filter cleaning barrel, the second filter screen is arranged in the lower filter ring, the upper filter ring is arranged in the second filter cleaning barrel, the first filter screen is arranged in the upper filter ring, the number of the second filter screen is larger than that of the first filter screen, the first filter screen and the second filter screen with two meshes are respectively filtered in sequence in the actual filtering and cleaning process and are retained at the upper ends of the first filter screen and the second filter screen, the pressure of a single filter screen and the weight of the foreign matters required to be borne can be slowed down by double-layer progressive filtration, the service life is prolonged, the progressive filtration can avoid the fact that the filtering efficiency is slower because the single filter screen is required to filter the foreign matters simultaneously, and the progressive filtration can improve the filtering efficiency.

Drawings

FIG. 1 is a perspective view of the overall exterior structure of the device of the present invention;

FIG. 2 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view showing the internal structure of the first and second filter cleaning barrels of the present invention;

fig. 4 is a partial enlarged view of the area B of fig. 3 in accordance with the present invention.

In the figure: 1. a first filtering and cleaning barrel; 2. a second filtering and cleaning barrel; 3. a connecting ring; 4. a hanging block; 5. a first pull strip; 6. a fixing ring; 7. a fixing strip; 8. a connecting handle; 9. a drag hook; 10. a second pull strip; 11. cleaning the cavity; 12. an upper filter ring; 13. a first filter screen; 14. fixing the bottom plate; 15. closing the idle plate; 16. a support frame; 17. rotating the connecting shaft; 18. a lower filter ring; 19. a second filter screen; 20. and hanging the through hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order to solve the problems that a bored pile slag removal device and a slag removal method for flushing and dredging slag disclosed in chinese patent publication No. CN105821880a, a loop of the device itself is required to slide outside a water inlet in the cleaning process of internal foreign matters, a filter screen support is required to be actively unfolded and stored, the whole structure and the position are more, the whole device is required to be integrally clamped by repeated use for a long time in a bored pile with more foreign matters, and normal use is affected, please refer to fig. 1, 2, 3 and 4, and the embodiment provides the following technical scheme:

the utility model provides a clear Kong Lao slag ladle of bored pile, includes second filtering and cleaning barrel 2, and the lower extreme of second filtering and cleaning barrel 2 is provided with go-between 3, and go-between 3 cyclic annular evenly distributed has four hanging pieces 4, and the inside of four hanging pieces 4 all is provided with hangs through-hole 20, and hangs through-hole 20 and runs through and extends to the upper and lower both ends of hanging piece 4; the filter cleaning barrel further comprises a first filter cleaning barrel 1 which is arranged at the lower end of the connecting ring 3, the first filter cleaning barrel 1, the connecting ring 3 and the second filter cleaning barrel 2 are welded and fixed, cleaning cavities 11 are respectively arranged in the first filter cleaning barrel 1 and the second filter cleaning barrel 2, a closed idle plate 15 is arranged on one side of the lower end of the inner part of the cleaning cavity 11, an upper filter ring 12 is arranged on the other side of the lower end of the inner part of the second filter cleaning barrel 2, a lower filter ring 18 is arranged on the other side of the lower end of the inner part of the first filter cleaning barrel 1, supporting frames 16 are respectively arranged at the front end and the rear end of one side of the upper filter ring 18 and the upper end of the upper filter ring 12, the supporting frames 16 are rotationally connected with the closed idle plate 15 through a rotating connecting shaft 17, two closed idle plates 15 are arranged on one side of the lower ends of the two closed idle plates 15, one side of the two fixed bottom plates 14 is welded and fixed with the upper filter ring 12 and the lower filter ring 18 respectively, the impact of an object can actively push the closed idle plate 15 to rotate and spread by taking the rotating connecting shaft 17 as the center of a circle, and when the device is longitudinally pulled upwards and filtered, the foreign matters in the device can push the closed idle plate 15 to rotate towards the fixed bottom plates 14 by self gravity by taking the rotating connecting shaft 17 as the center of a circle, rotate and actively close the device and only leave the first filter screen 13 and the second filter screen 19, and the device is filtered by the first filter screen and the second filter screen, the weight and the impact force of the liquid are utilized in the whole use process of the device, the position of the device which needs to rotate is reduced, the internal rotating position is reduced to achieve the filtering effect, the phenomenon that the inside of the device is easy to be blocked due to excessive rotating structures is avoided, the whole service life of the device is prolonged, and the use efficiency is prevented from being influenced by frequent maintenance.

In order to solve the problem that when the existing device filters by means of a single filter screen, the filter screen needs to bear larger force once, and the filter screen is easy to damage, referring to fig. 1, 2, 3 and 4, the present embodiment provides the following technical solutions:

the inside of going up filter ring 12 is provided with first filter screen 13, and the outside of first filter screen 13 is fixed through glue bonding with the inside of last filter ring 12, the inside of lower filter ring 18 is provided with second filter screen 19, and the outside of second filter screen 19 is fixed through glue bonding with the inside of lower filter ring 18, the mesh number of first filter screen 13 is less than the mesh number of second filter screen 19, filter by the first filter screen 13 of two mesh numbers and second filter screen 19 respectively in proper order, and be detained in respective upper end, double-deck progressive filtration can alleviate the pressure of single filter screen and the weight of the foreign matter that needs to bear, increase of service life, and progressive filtration can avoid single filter the great filtration foreign matter of foreign matter to cause filtration efficiency slower simultaneously, progressive filtration can improve filtration efficiency.

The outside upper end of four suspension through holes 20 all is provided with first pulling strip 5, the upper end of four first pulling strips 5 passes through solid fixed ring 6 fixed connection, gu fixed ring 6's inside alternately is provided with two fixed strips 7, welded fastening between two fixed strips 7 and the solid fixed ring 6, the upper end of one of them fixed strip 7 is provided with connection handle 8, the outside upper end of connection handle 8 is provided with drag hook 9, drag hook 9 is connected with connection handle 8 draw-in groove, the upper end of connection handle 8 is provided with second pulling strip 10, the whole vertical upwards or downward movement of device can be driven through the pulling of hanging of first pulling strip 5 and second pulling strip 10.

In order to further better explain the embodiment of the invention, the invention also provides a use method of the drilled pile cleaning and slag scooping barrel, which comprises the following steps:

step one: when the device is used and the drilled pile is cleaned, according to fig. 1, 2, 3 and 4, in order to enable the device to reduce the movable structure in the process of not limiting filtration, the first filtering and cleaning barrel 1 and the second filtering and cleaning barrel 2 longitudinally move downwards along the drilled pile after being connected by the connecting ring 3, after the liquid is contacted with the longitudinal downward movement, the liquid sequentially contacts the closing idle plate 15 on one side of the lower filtering ring 18 and the upper filtering ring 12, so that the closing idle plate 15 rotates between the two supporting frames 16 by taking the rotating connecting shaft 17 as the center of a circle after contacting the impact force, and the liquid can sequentially enter the first filtering and cleaning barrel 1 and the second filtering and cleaning barrel 2 through rotation;

step two: after liquid enters the device, the device is placed still, after a period of time is kept still, the pulling structure pulls the pulling hook 9 through the second pulling strip 10, the pulling hook 9 can pull the fixing strip 7 through the connecting handle 8, the fixing strip 7 pulls the four first pulling strips 5 which are uniformly distributed in the shape of the lower ring through the fixing ring 6, the four first pulling strips 5 can pull the first filtering cleaning barrel 1 and the second filtering cleaning barrel 2 through the hanging blocks 4, the whole device can longitudinally move upwards, the longitudinally upward movement can drive the liquid in the device to simultaneously push the corresponding closed idle plates 15, the two closed idle plates 15 simultaneously move towards the fixed bottom plate 14 and are supported by the fixed bottom plate 14, and the liquid can only actively contact the first filtering net 13 and the second filtering net 19 when the liquid is limited to flow;

step three: the filtered liquid passing through the second filter screen 19 and the first filter screen 13 stays on the upper ends of the second filter screen 19 and the first filter screen 13, thereby completing cleaning.

In the above embodiment, in order to reduce the carrying capacity of a single filter screen, the first filter screen 13 is installed inside the upper filter ring 12, the second filter screen 19 is installed inside the lower filter ring 18, the number of the second filter screen 19 is higher than that of the first filter screen 13, so that the liquid inside the second filter cleaning barrel 2 can be filtered again through the second filter screen 19 after being filtered through the first filter screen 13, the liquid inside the device is divided into two areas and is filtered separately, the filtered liquid is retained inside the second filter screen 19 and the first filter screen 13 separately, and the carrying capacity of the filter screen inside the device is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a clear Kong Lao slag ladle of drilling stake which characterized in that: the novel filter cleaning device comprises a second filter cleaning barrel (2), wherein a connecting ring (3) is arranged at the lower end of the second filter cleaning barrel (2), four hanging blocks (4) are annularly and uniformly distributed on the connecting ring (3), hanging through holes (20) are formed in the four hanging blocks (4), and the hanging through holes (20) penetrate through and extend to the upper end and the lower end of the hanging blocks (4);

still include first filtration clearance bucket (1), it sets up in the lower extreme of go-between (3), welded fastening between first filtration clearance bucket (1), go-between (3) and second filtration clearance bucket (2), the inside of first filtration clearance bucket (1) and second filtration clearance bucket (2) all is provided with clearance chamber (11), one side of clearance chamber (11) inside lower extreme is provided with closed idle board (15), the opposite side of the inside lower extreme of second filtration clearance bucket (2) is provided with and filters ring (12), the opposite side of the inside lower extreme of first filtration clearance bucket (1) is provided with down and filters ring (18), both ends all are provided with support frame (16) around lower filtration ring (18) and last filtration ring (12) upper end one side, rotate through rotation connecting axle (17) between support frame (16) and the closed idle board (15).

2. A bored pile cleaning Kong Lao slag ladle as claimed in claim 1, wherein: the inside of going up filter ring (12) is provided with first filter screen (13), and the outside of first filter screen (13) is fixed through glue bonding with the inside of last filter ring (12), the inside of lower filter ring (18) is provided with second filter screen (19), and the outside of second filter screen (19) is fixed through glue bonding with the inside of lower filter ring (18).

3. A bored pile cleaning Kong Lao slag ladle as claimed in claim 1, wherein: the mesh number of the first filter screen (13) is smaller than that of the second filter screen (19).

4. A bored pile cleaning Kong Lao slag ladle as claimed in claim 1, wherein: the two closed idle plates (15) are arranged, one sides of the lower ends of the two closed idle plates (15) are respectively provided with a fixed bottom plate (14), and one sides of the two fixed bottom plates (14) are respectively welded and fixed with the upper filter ring (12) and the lower filter ring (18).

5. A bored pile cleaning Kong Lao slag ladle as claimed in claim 1, wherein: the four the outside upper end of hanging through-hole (20) all is provided with first pulling strip (5), four the upper end of first pulling strip (5) is through solid fixed ring (6) fixed connection, gu the inside cross of fixed ring (6) is provided with two fixed strips (7), two welded fastening between fixed strip (7) and the fixed ring (6).

6. The drilled pile cleaning Kong Lao slag ladle as set forth in claim 5, wherein: one of them the upper end of fixed strip (7) is provided with connection handle (8), the outside upper end of connection handle (8) is provided with drag hook (9), drag hook (9) are connected with connection handle (8) draw-in groove, the upper end of connection handle (8) is provided with second pulling strip (10).

7. A method for using the bored pile cleaning and slag scooping barrel according to claim 6, which is characterized in that: the method comprises the following steps:

s1: after the first filtering and cleaning barrel (1) and the second filtering and cleaning barrel (2) are connected through the connecting ring (3) and longitudinally move downwards along the bored pile to contact liquid, the liquid sequentially contacts the lower filtering ring (18) and the closed idle plate (15) on one side of the upper filtering ring (12), so that the closed idle plate (15) rotates between the two supporting frames (16) by taking the rotating connecting shaft (17) as a circle center after contacting impact force, and the liquid sequentially enters the first filtering and cleaning barrel (1) and the second filtering and cleaning barrel (2);

s2: after the liquid enters the device and stands for a period of time, the drag hook (9) is pulled by the pulling structure through the second pulling strip (10), the drag hook (9) pulls the fixing strip (7) through the connecting handle (8), the fixing strip (7) pulls the four first pulling strips (5) which are uniformly distributed in the shape of the lower ring through the fixing ring (6), the four first pulling strips (5) pull the first filtering and cleaning barrel (1) and the second filtering and cleaning barrel (2) through the hanging block (4), the whole device can longitudinally move upwards, so that the internal liquid is driven to simultaneously push the corresponding closing idle plates (15), the two closing idle plates (15) simultaneously move towards the fixing bottom plate (14) and are supported by the fixing bottom plate (14), and the liquid can only actively contact the first filtering screen (13) and the second filtering screen (19) when the liquid is limited to flow;

s3: the liquid is retained at the upper ends of the second filter screen (19) and the first filter screen (13) after passing through the second filter screen (19) and the first filter screen (13), thereby completing cleaning.

8. The use method of the bored pile cleaning and slag scooping barrel according to claim (7), which is characterized in that: the mesh number through second filter screen (19) is higher than with the mesh number of first filter screen (13) for liquid inside second filter clearance bucket (2) can filter through second filter screen (19) again after the filtration of first filter screen (13), cut apart two regions and separately filter the inside liquid of device simultaneously, and the liquid after filtering separately is detained inside second filter screen (19) and first filter screen (13), reduces the bearing capacity of the inside filter screen of device.