CN114351747A - Valley land hard rock geological pile foundation construction device and use method thereof - Google Patents
Valley land hard rock geological pile foundation construction device and use method thereof Download PDFInfo
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- CN114351747A CN114351747A CN202210058023.2A CN202210058023A CN114351747A CN 114351747 A CN114351747 A CN 114351747A CN 202210058023 A CN202210058023 A CN 202210058023A CN 114351747 A CN114351747 A CN 114351747A
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Abstract
The invention relates to the technical field of pile foundations, and discloses a valley land hard rock geological pile foundation construction device and a using method thereof. According to the invention, through the matching of the driving screw and the supporting sliding frame, the supporting effect on the rotating shaft connecting shell and the power driving shaft can be realized, the pressure support for pressing down and drilling is provided for the supporting rotating shaft and the extension shaft, and meanwhile, the lifting mechanism can be lifted according to the pouring depth of concrete during pouring, so that the higher convenience is realized for the pouring work.
Description
Technical Field
The invention relates to the technical field of pile foundations, in particular to a valley land hard rock geological pile foundation construction device and a using method thereof.
Background
Deep foundations consisting of piles and pile caps connected to the tops of the piles or single-pile foundations consisting of columns connected to pile foundations, referred to as pile foundations for short. If the pile body is completely buried in the soil and the bottom surface of the bearing platform is contacted with the soil body, the pile body is called a low bearing platform pile foundation; if the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is above the ground, the pile body is called a high pile cap, the building pile base is usually a low pile cap foundation, and the device is a construction device for the pile base in hard rock geology.
However, current pile foundation construction equipment, conventional pile foundation construction equipment is difficult to be under the hard rock environment construction to slow down the efficiency of construction, and the cement filling mode of conventional device, need can pour after the hole is accomplished, and need dedicated pouring pipeline can accomplish and pour, very expend time, the conventional mode of punching can lead to the inner wall deformation of hole when punching, leads to the drill way to collapse.
Therefore, the existing requirements are not met, and in order to solve the technical problems in the prior art, the invention provides a valley hard rock geological pile foundation construction device and a using method thereof.
Disclosure of Invention
The invention provides a valley hard rock geological pile foundation construction device and a use method thereof, which have the beneficial effect of improving the construction speed of the device, and solve the problems that the conventional pile foundation construction device is difficult to construct in a hard rock environment, so that the construction efficiency is reduced, the conventional device is difficult to construct in a cement filling mode, pouring can be carried out only after a hole is finished, the time is greatly consumed, and the conventional punching mode can cause deformation of the inner wall of the hole during punching to cause hole collapse.
The invention provides the following technical scheme: the utility model provides a valley ground hard rock geology pile foundation construction equipment, includes the support frame on frame and the frame, the hydraulic stem is installed to one side symmetry of support frame, the inside swing joint of support frame has drive screw, first driving motor is installed to the upper end of support frame, drive screw's one end passes through the tooth's socket meshing transmission with first driving motor, the support balladeur train is installed to the inboard of support frame, the pivot is installed in the outside of support balladeur train and is connected the casing, the internally mounted of casing is connected in the pivot has the power drive axle, one side that the casing is connected in the pivot is installed second driving motor, the vacuum suction pump is installed to the upper end that the casing is connected in the pivot, the power drive axle is connected the casing with the pivot and is supported through support bearing, the outside of power drive axle is equipped with the transmission tooth's socket, the support pivot is installed to the lower extreme of power drive axle, the extension axle is installed to the lower extreme that supports the pivot, the drill bit is installed to the lower extreme that extends the axle, the inside of drill bit is equipped with the suction hole, the inside of casing is connected in the pivot still installs drive gear, drive gear is used for connecting second driving motor and transmission tooth's socket, the connecting pipe is installed to the lower extreme of vacuum suction pump, the extension hose is installed to the lower extreme of connecting pipe, the outer takeover is installed to the upper end of vacuum suction pump.
The limiting of the inner wall of the hole is realized, the inner wall of the hole is ensured to be always kept under the corresponding size, and the limiting device is used as an alternative of the valley land hard rock geological pile foundation construction device, wherein: the drill bit is characterized in that a second protective sleeve is installed on one side of the supporting rotating shaft, a first protective sleeve is installed on the other side of the supporting rotating shaft, the first protective sleeve and the second protective sleeve are symmetrical combined pieces, bottom positioning notches are formed in the lower ends of the first protective sleeve and the second protective sleeve, a limiting outer groove is formed in the upper end of the drill bit, and the bottom positioning notches are used for being embedded into the limiting outer groove.
The connection strength of the first protective sleeve and the second protective sleeve is improved, and the first protective sleeve and the second protective sleeve are used as an alternative of the valley land hard rock geological pile foundation construction device, wherein: one side symmetry of second lag is equipped with the joint and extends the round pin, one side symmetry of first lag is equipped with and extends flat groove, the joint extends the round pin and is used for the inside of card income extension flat groove.
The connection strength of the first protective sleeve and the second protective sleeve with the supporting rotating shaft and the extending shaft is improved to serve as an alternative scheme of the valley land hard rock geological pile foundation construction device, wherein the alternative scheme comprises the following steps: the first lag and the inside of second lag all are equipped with spacing inner circle, the inside of spacing inner circle is equipped with positioning channel section, the outside of supporting shaft and extension axle all is equipped with outer spacing groove, the inside of outer spacing groove is equipped with the spacer pin, the spacer pin is used for the card in positioning channel section's inside.
A locking structure is provided for the first protective sleeve and the second protective sleeve as an alternative to the valley land hard rock geological pile foundation construction device of the invention, wherein: the upper ends of the first protective sleeve and the second protective sleeve are respectively provided with a fixed bottom groove, the upper ends of the first protective sleeve and the second protective sleeve are symmetrically provided with a connecting arc rod, the lower ends of the connecting arc rod are symmetrically provided with positioning insertion pins, and the positioning insertion pins are used for being inserted into the fixed bottom grooves.
The drilling capability of the drill bit is improved as an alternative scheme of the valley land hard rock geological pile foundation construction device, wherein: the lower end of the drill bit is provided with cutting edges in an annular array.
The effect of the cutting edge on crushing stones is improved as an alternative of the valley land hard rock geological pile foundation construction device, wherein: the lower surface of the cutting edge is provided with a crushing groove.
The extension hose can be ensured to synchronously rotate along with the supporting rotating shaft, and the extension hose is taken as an alternative of the valley hard rock geological pile foundation construction device, wherein: the connecting pipe is connected with the extension hose and is installed the upper end and connect the shaft collar between, the lower extreme is connected the shaft collar in the outside that the shaft collar is connected to the upper end, the lower extreme is connected the shaft collar and is connected through sealed bearing between the shaft collar is connected to the upper end.
The connecting effect between the supporting rotating shaft and the extending shaft is improved, and the connecting effect is taken as an alternative scheme of the valley land hard rock geological pile foundation construction device, wherein: the lower extreme of supporting the pivot is equipped with the outer lane screw thread, the top of extending the axle is equipped with the inner circle screw thread, the outer lane screw thread is used for threaded connection in the inside of inner circle screw thread.
The invention also discloses a use method of the valley hard rock geological pile foundation construction device, which specifically comprises the following steps:
s1, assembling: firstly, a vacuum suction pump is arranged at the upper end of a rotating shaft connecting shell, then a connecting pipe penetrates through the rotating shaft connecting shell and extends to the inside of a supporting rotating shaft, an extending hose penetrates through the inside of an extending shaft, so that the extending shaft and the supporting rotating shaft are combined, and then a first protective sleeve and a second protective sleeve are symmetrically combined at the outer sides of the supporting rotating shaft and the extending shaft to complete assembly;
s2, drilling: the first driving motor drives the driving screw to rotate and drives the extension shaft to fall down, a specified area is drilled, meanwhile, the vacuum suction pump operates, the drill bit drilling position is sucked through the matching of the connecting pipe and the extension hose, the polished stone particles are sucked, and the drilling operation is completed;
s3, pouring preparation: the vacuum suction pump is taken down, the connecting pipe and the extension hose are taken out simultaneously, and the vacuum suction pump extends to the inside of the supporting rotating shaft and the connecting pipe through an output pipeline externally connected with pouring equipment;
s4, pouring: concrete is poured into the hole through the external equipment, and the supporting sliding frame can be slowly lifted according to the pouring speed of the concrete at the moment and is matched with the pouring height in the hole.
The invention has the following beneficial effects:
1. this valley ground hard rock geology pile foundation construction equipment connects the casing through the pivot and supports the pivot and extend the cooperation of axle, need not to clear up in the hole, makes the device when pouring concrete, can slowly rise according to the height of concrete, makes the height that extends the axle rise along with the pouring height of concrete.
2. This valley ground hard rock geology pile foundation construction equipment, when the device is when drilling, laminate with the hole inner wall through first lag and second lag, realize limiting displacement to the hole inner wall, avoid the hole inner wall to take place to contract or collapse in, influence pouring of concrete to and the inside diameter size of hole.
3. This valley ground hard rock geology pile foundation construction equipment, through the cooperation of drive screw and support balladeur train, can realize the supporting effect to the swivelling joint casing and power drive axle, provide the pressure support of pushing down the drilling to supporting the pivot and extending the axle, when pouring, can rise according to the pouring degree of depth of concrete simultaneously, for pouring work, realize higher convenience.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
Fig. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic view of the connection structure of the supporting shaft and the extending shaft according to the present invention.
FIG. 4 is a schematic view of the internal structure of the hinge connecting housing according to the present invention.
Fig. 5 is a schematic diagram of the internal structures of the first protective sleeve and the second protective sleeve of the present invention.
FIG. 6 is a schematic view of a portion of the structure of FIG. 4 according to the present invention.
In the figure: 1. a frame; 2. a support frame; 3. a hydraulic lever; 4. a drive screw; 5. a first drive motor; 6. a support carriage; 7. the rotating shaft is connected with the shell; 8. a power driven shaft; 9. a second drive motor; 10. a support bearing; 11. a drive tooth slot; 12. a transmission gear; 13. a connecting pipe; 14. a vacuum suction pump; 15. an external connection pipe; 16. the upper end is connected with a shaft ring; 17. the lower end is connected with a shaft ring; 18. sealing the bearing; 19. an extension hose; 20. outer ring threads; 21. inner ring threads; 22. a support shaft; 23. an extension shaft; 24. a drill bit; 25. a cutting edge; 26. a crushing tank; 27. pumping the inner hole; 28. a limiting outer groove; 29. a first protective cover; 30. a second protective cover; 31. connecting the arc rod; 32. positioning the plug pin; 33. fixing the bottom groove; 34. limiting the inner ring; 35. a limiting pin bar; 36. positioning the clamping groove; 37. clamping an extension pin; 38. an extended flat slot; 39. positioning a bottom notch; 40. an outer limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The conventional pile foundation construction device is difficult to construct in a hard rock environment, so that the construction efficiency is reduced, and the cement filling mode of the conventional device is very time-consuming and can be poured after a hole is formed, so that, referring to fig. 1-5, the embodiment discloses a valley ground hard rock pile foundation construction device, which comprises a frame 1 and a support frame 2 on the frame 1, wherein hydraulic rods 3 are symmetrically arranged on one side of the support frame 2, a driving screw 4 is movably connected inside the support frame 2, a first driving motor 5 is arranged at the upper end of the support frame 2, one end of the driving screw 4 is in meshing transmission with the first driving motor 5 through a tooth socket, a support carriage 6 is arranged on the inner side of the support frame 2, a rotating shaft connecting shell 7 is arranged on the outer side of the support carriage 6, a power driving shaft 8 is arranged inside the rotating shaft connecting shell 7, and a second driving motor 9 is arranged on one side of the rotating shaft connecting shell 7, the upper end of the rotating shaft connecting shell 7 is provided with a vacuum suction pump 14, the power driving shaft 8 and the rotating shaft connecting shell 7 are supported by a supporting bearing 10, the outer side of the power driving shaft 8 is provided with a transmission tooth groove 11, the lower end of the power driving shaft 8 is provided with a supporting rotating shaft 22, the lower end of the supporting rotating shaft 22 is provided with an extending shaft 23, the lower end of the extending shaft 23 is provided with a drill bit 24, the inside of the drill bit 24 is provided with a suction inner hole 27, the inside of the rotating shaft connecting shell 7 is also provided with a transmission gear 12, the transmission gear 12 is used for connecting a second driving motor 9 and the transmission tooth groove 11, the lower end of the vacuum suction pump 14 is provided with a connecting pipe 13, the lower end of the connecting pipe 13 is provided with an extending hose 19, and the upper end of the vacuum suction pump 14 is provided with an outer connecting pipe 15.
The extension hose 19 is meshed with the tooth socket 11 of the transmission tooth socket by the action of the transmission gear 12 to drive the power driving shaft 8 to rotate, then the power driving shaft 8 drives the supporting rotating shaft 22 and the extension shaft 23 to rotate simultaneously, a drill bit 24 is used for drilling a specified area, a vacuum suction pump 14 provides suction force during drilling, the extension hose 19 is close to the drilling area, the extension hose 19 and a connecting pipe 13 suck out crushed stones of the drill bit 24, after the drilling is finished, the vacuum suction pump 14 can be taken down and the connecting pipe 13 and the extension hose 19 are taken out together, then the support rotating shaft 22 and the extension shaft 23 are penetrated and inserted into the inside of the connecting shell 7 along the rotating shaft through an external concrete conveying pipe, during the pouring, the support sliding frame 6 can be driven by the first driving motor 5 to lift up the height to slowly lift up along with the cement filling height, and the hole pouring operation is finished, through the structure, after the hole is punched, the hole can be directly poured through the extension shaft 23 and the support rotating shaft 22, so that the hole pouring operation of the device is facilitated.
Further, during punching, the inner wall of the hole is easy to deform, and a limiting process is required to be performed on the inner wall, for this reason, referring to fig. 1-5 specifically, a second protective sleeve 30 is installed on one side of the supporting rotating shaft 22, a first protective sleeve 29 is installed on the other side of the supporting rotating shaft 22, the first protective sleeve 29 and the second protective sleeve 30 are symmetrical combined pieces, positioning bottom notches 39 are respectively installed at the lower ends of the first protective sleeve 29 and the second protective sleeve 30, a limiting outer groove 28 is installed at the upper end of the drill bit 24, and the positioning bottom notches 39 are used for being embedded into the limiting outer grooves 28.
With spacing outer groove 28 and the symmetrical laminating of first lag 29 to will support pivot 22 and extend axle 23 centre gripping wherein, will fix a position bottom notch 39 card and go into the inside of spacing outer groove 28 after that, form the stationary state, when guaranteeing to support pivot 22 and extend axle 23 commentaries on classics hole, first lag 29 and second lag 30 can realize the protection effect to the hole inner wall, thereby when avoiding the hole inner wall to bore hole again, take place deformation, influence the use.
Further, the first protective sleeve 29 and the second protective sleeve 30 are connected stably, and it is difficult to support the inner wall of the hole with relatively high pressure, and for this purpose, in particular, referring to fig. 1 to 5, a clamping extending pin 37 is symmetrically arranged on one side of the second protective sleeve 30, an extending flat groove 38 is symmetrically arranged on one side of the first protective sleeve 29, and the clamping extending pin 37 is used for being clamped inside the extending flat groove 38.
When first lag 29 and the mutual joint of second lag 30, extend the inside that round pin 37 inserted extension flat groove 38 through the joint, accomplish first lag 29 and the effect of being connected of second lag 30, and the joint extends round pin 37 and extends flat groove 38 and have certain radian, when both connect, can realize stronger interlock degree, and further improve the joint strength of first lag 29 and second lag 30, make the device when dealing with great pressure, can play the supporting effect, and realize limiting displacement to the hole inner wall.
Further, the connection strength between the first protective sleeve 29 and the second protective sleeve 30 and the supporting rotating shaft 22 and the extending shaft 23 is not sufficient, so that the supporting rotating shaft 22 and the extending shaft 23 are difficult to drive the first protective sleeve 29 and the second protective sleeve 30 to rotate simultaneously during drilling, for this reason, specifically, referring to fig. 1-5, the first protective sleeve 29 and the second protective sleeve 30 are both internally provided with a limiting inner ring 34, a positioning clamping groove 36 is arranged inside the limiting inner ring 34, the supporting rotating shaft 22 and the extending shaft 23 are both externally provided with an outer limiting groove 40, a limiting pin strip 35 is arranged inside the outer limiting groove 40, and the limiting pin strip 35 is used for being clamped inside the positioning clamping groove 36.
When the first protective sleeve 29 and the second protective sleeve 30 are symmetrically mounted, the limiting inner ring 34 is clamped inside the outer limiting groove 40, meanwhile, the limiting pin strip 35 is embedded into the positioning clamping groove 36, the clamping extending pin 37 is clamped into the extending flat groove 38, the positioning bottom notch 39 is inserted into the limiting outer groove 28, and the first protective sleeve 29 and the second protective sleeve 30 are fixedly mounted.
Further, a locking structure is absent between the first protective sleeve 29 and the second protective sleeve 30, so that the first protective sleeve 29 and the second protective sleeve 30 are easily disassembled in the hole, and the use is affected, for this reason, specifically, referring to fig. 1-5, the upper ends of the first protective sleeve 29 and the second protective sleeve 30 are both provided with a fixed bottom groove 33, the upper ends of the first protective sleeve 29 and the second protective sleeve 30 are also symmetrically provided with a connecting arc rod 31, the lower end of the connecting arc rod 31 is symmetrically provided with a positioning insertion pin 32, and the positioning insertion pin 32 is used for being inserted into the fixed bottom groove 33.
After first lag 29 and the mutual joint of second lag 30, will connect arc pole 31 and transversely put at the junction of first lag 29 and second lag 30, insert two fixed kerve 33 respectively through two location grafting round pins 32 inside, form first lag 29 and the locking effect of second lag 30, and while structure easy operation, effectual first lag 29 and the second lag 30 realization locking effect, further promoted fixed strength between the two, avoid it to take place to disintegrate the situation, influence the use.
Further, hard rock is difficult to drill by means of the drill 24 alone, for which purpose, in particular, with reference to fig. 1-5, the lower end of the drill 24 is provided with cutting edges 25 in an annular array.
During drilling, the driving screw rod 4 is driven to rotate by the first driving motor 5, meanwhile, the supporting sliding frame 6 is in threaded connection with the driving screw rod 4, the supporting sliding frame 6 falls, the downward pressure acts on the extension shaft 23, the extension shaft 23 acts in the drill bit 24, and the crushing effect of the drill bit 24 is further improved through the cutting edge 25.
Further, the cutting edge 25 is drilled to make it difficult to crush the stone, which affects the suction effect, and for this purpose, in particular, referring to fig. 1 to 5, the lower surface of the cutting edge 25 is provided with a crushing groove 26.
Cutting edge 25's lower surface is arranged and is had crushing groove 26, through crushing groove 26, can guarantee that cutting edge 25 is when cutting hard rock, and the effectual stone of will going forward smashes, avoids the stone of great granule to produce, influences the suction effect, and through the pushing down of extension axle 23, improve cutting edge 25's downward pressure, make its stone before the face cut, and arrange between cutting edge 25 nearer, also can guarantee to suck the stone of hole 27 positions and smash.
Further, when the extension hose 19 is located inside the support rotation shaft 22, it will contact with the inner wall of the support rotation shaft 22, causing the twisting condition to occur, which affects the suction of the device, and for this reason, referring to fig. 1-6, specifically, an upper end connecting shaft ring 16 is installed between the connecting pipe 13 and the extension hose 19, a lower end connecting shaft ring 17 is installed outside the upper end connecting shaft ring 16, and the lower end connecting shaft ring 17 is connected with the upper end connecting shaft ring 16 through a sealing bearing 18.
By the action of the sealing bearing 18, the extension hose 19 can be ensured to have a rotating function and rotate synchronously with the support rotating shaft 22 during the suction operation, and the suction effect is not influenced.
Further, the connection between the supporting shaft 22 and the extending shaft 23 is weak and it is difficult to adapt to high pressure, and for this reason, specifically, referring to fig. 1 to 6, the lower end of the supporting shaft 22 is provided with an outer ring thread 20, the top end of the extending shaft 23 is provided with an inner ring thread 21, and the outer ring thread 20 is used for being screwed inside the inner ring thread 21.
Through the threaded connection mode between the support rotating shaft 22 and the extension shaft 23, the connection strength between the support rotating shaft and the extension shaft is greatly improved, so that the support rotating shaft can be applied to a high-pressure environment.
Example 2
The embodiment discloses a use method of a valley hard rock geological pile foundation construction device, which specifically comprises the following steps:
s1, assembling: firstly, installing a vacuum suction pump 14 at the upper end of a rotating shaft connecting shell 7, then penetrating a connecting pipe 13 through the rotating shaft connecting shell 7 to extend to the inside of a supporting rotating shaft 22, penetrating an extension hose 19 through the inside of an extension shaft 23 to combine the extension shaft 23 and the supporting rotating shaft 22, and then symmetrically combining a first protective sleeve 29 and a second protective sleeve 30 at the outer sides of the supporting rotating shaft 22 and the extension shaft 23 to complete assembly;
s2, drilling: the first driving motor 5 drives the driving screw rod 4 to rotate and drives the extension shaft 23 to fall down, a specified area is drilled, meanwhile, the vacuum suction pump 14 operates, the drilling position of the drill bit 24 is sucked through the matching of the connecting pipe 13 and the extension hose 19, the polished stone particles are sucked, and the drilling operation is finished;
s3, pouring preparation: the vacuum suction pump 14 is taken down, and the connecting pipe 13 and the extension hose 19 are simultaneously taken out, and extend to the inner parts of the supporting rotating shaft 22 and the connecting pipe 13 through an output pipeline of external pouring equipment;
s4, pouring: concrete is poured into the hole through external equipment, and the supporting sliding frame 6 can be slowly lifted according to the pouring speed of the concrete at the moment and is matched with the pouring height in the hole.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a valley ground hard rock geology pile foundation construction equipment which characterized in that: the hydraulic support comprises a frame (1) and a support frame (2) arranged on the frame (1), wherein a hydraulic rod (3) is symmetrically arranged on one side of the support frame (2), a driving screw (4) is movably connected inside the support frame (2), a first driving motor (5) is arranged at the upper end of the support frame (2), one end of the driving screw (4) is in tooth groove meshing transmission with the first driving motor (5), a support carriage (6) is arranged on the inner side of the support frame (2), a rotating shaft is arranged on the outer side of the support carriage (6) and connected with a shell (7), a power driving shaft (8) is arranged inside the rotating shaft and connected with the shell (7), a second driving motor (9) is arranged on one side of the rotating shaft and connected with the shell (7), a vacuum suction pump (14) is arranged at the upper end of the rotating shaft and connected with the shell (7), the power driving shaft (8) and the rotating shaft are connected with the shell (7) and supported by a support bearing (10), the outer side of the power driving shaft (8) is provided with a transmission tooth socket (11), the lower end of the power driving shaft (8) is provided with a supporting rotating shaft (22), the lower end of the supporting rotating shaft (22) is provided with an extending shaft (23), the lower end of the extending shaft (23) is provided with a drill bit (24), the inside of the drill bit (24) is provided with a suction inner hole (27), the rotating shaft is connected with the inside of the shell (7) and is also provided with a transmission gear (12), the transmission gear (12) is used for connecting a second driving motor (9) and the transmission tooth socket (11), the lower end of the vacuum suction pump (14) is provided with a connecting pipe (13), the lower end of the connecting pipe (13) is provided with an extending hose (19), and the upper end of the vacuum suction pump (14) is provided with an outer connecting pipe (15); a second protective sleeve (30) is installed on one side of the supporting rotating shaft (22), a first protective sleeve (29) is installed on the other side of the supporting rotating shaft (22), the first protective sleeve (29) and the second protective sleeve (30) are symmetrical combined pieces, positioning bottom notches (39) are formed in the lower ends of the first protective sleeve (29) and the second protective sleeve (30), a limiting outer groove (28) is formed in the upper end of the drill bit (24), and the positioning bottom notches (39) are used for being embedded into the limiting outer groove (28); one side of the second protective sleeve (30) is symmetrically provided with clamping extending pins (37), one side of the first protective sleeve (29) is symmetrically provided with extending flat grooves (38), and the clamping extending pins (37) are clamped into the extending flat grooves (38).
2. The valley hard rock geological pile foundation construction device of claim 1, characterized in that: first lag (29) and the inside of second lag (30) all are equipped with spacing inner circle (34), the inside of spacing inner circle (34) is equipped with positioning groove (36), support pivot (22) and the outside of extending axle (23) all are equipped with outer spacing groove (40), the inside of outer spacing groove (40) is equipped with spacing round pin strip (35), spacing round pin strip (35) are used for the card in positioning groove (36) inside.
3. The valley hard rock geological pile foundation construction device according to claim 1 or 2, characterized in that: first lag (29) and the upper end of second lag (30) all are equipped with fixed kerve (33), first lag (29) and the upper end of second lag (30) are still installed symmetrically and are connected arc pole (31), the lower extreme symmetry of connecting arc pole (31) is equipped with location grafting round pin (32), what fix a position grafting round pin (32) is used for inserting in fixed kerve (33).
4. The device for constructing a valley hard rock geological pile foundation according to any one of claims 1 to 3, wherein: the lower extreme of drill bit (24) is the annular array and has cutting edge (25), the lower surface of cutting edge (25) is equipped with crushing groove (26).
5. The device for constructing a valley hard rock geological pile foundation according to claim 4, wherein: the connecting pipe (13) and the extension hose (19) are arranged between the upper end connecting shaft ring (16), the outer side of the upper end connecting shaft ring (16) is provided with the lower end connecting shaft ring (17), and the lower end connecting shaft ring (17) is connected with the upper end connecting shaft ring (16) through a sealing bearing (18).
6. The valley hard rock geological pile foundation construction device of claim 1, characterized in that: the lower extreme of supporting pivot (22) is equipped with outer lane screw thread (20), the top of extending axle (23) is equipped with inner circle screw thread (21), outer lane screw thread (20) are used for threaded connection in the inside of inner circle screw thread (21).
7. Use of a device for the construction of a valley hard rock geological pile foundation according to any of claims 1-6, characterized in that: the method comprises the following steps:
s1, assembling: firstly, a vacuum suction pump (14) is arranged at the upper end of a rotating shaft connecting shell (7), then a connecting pipe (13) penetrates through the rotating shaft connecting shell (7) and extends to the inside of a supporting rotating shaft (22), an extending hose (19) penetrates through the inside of an extending shaft (23), the extending shaft (23) is combined with the supporting rotating shaft (22), and then a first protective sleeve (29) and a second protective sleeve (30) are symmetrically combined on the outer sides of the supporting rotating shaft (22) and the extending shaft (23), so that the assembly is completed;
s2, drilling: the driving screw (4) is driven to rotate through the first driving motor (5), the extension shaft (23) is driven to fall, a specified area is drilled, meanwhile, the vacuum suction pump (14) operates, the drilling position of the drill bit (24) is sucked through the matching of the connecting pipe (13) and the extension hose (19), the polished stone particles are sucked, and the drilling operation is completed;
s3, pouring preparation: the vacuum suction pump (14) is taken down, the connecting pipe (13) and the extension hose (19) are taken out simultaneously, and the vacuum suction pump extends to the inside of the supporting rotating shaft (22) and the connecting pipe (13) through an output pipeline externally connected with pouring equipment;
s4, pouring: concrete is poured into the hole through external equipment, the supporting sliding frame (6) can be lifted slowly according to the pouring speed of the concrete at the moment, and the pouring height in the hole is matched.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210058023.2A CN114351747B (en) | 2022-01-19 | 2022-01-19 | Mountain land hard rock geological pile foundation construction device and application method thereof |
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| CN202210058023.2A CN114351747B (en) | 2022-01-19 | 2022-01-19 | Mountain land hard rock geological pile foundation construction device and application method thereof |
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| CN114351747B CN114351747B (en) | 2023-08-04 |
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| CN211873013U (en) * | 2019-12-26 | 2020-11-06 | 南京扬子混凝土制品有限责任公司 | Pile foundation underwater concrete pouring structure |
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| CN101275458A (en) * | 2008-05-13 | 2008-10-01 | 张安禄 | Reverse circulation construction technique and apparatus of single rope impact drill |
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| US20160083927A1 (en) * | 2014-09-19 | 2016-03-24 | Bauer Spezialtiefbau Gmbh | Cleaning device for cleaning a bottom of a borehole and method for creating a foundation element |
| CN209603141U (en) * | 2019-01-24 | 2019-11-08 | 廖新取 | The pile foundation construction structure for avoiding pile holes protecting wall from collapsing in Karst Geological Landscape region |
| CN211873013U (en) * | 2019-12-26 | 2020-11-06 | 南京扬子混凝土制品有限责任公司 | Pile foundation underwater concrete pouring structure |
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