CN114215474A - Obstacle removing construction process of full-circle drilling machine - Google Patents
Obstacle removing construction process of full-circle drilling machine Download PDFInfo
- Publication number
- CN114215474A CN114215474A CN202111292274.9A CN202111292274A CN114215474A CN 114215474 A CN114215474 A CN 114215474A CN 202111292274 A CN202111292274 A CN 202111292274A CN 114215474 A CN114215474 A CN 114215474A
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- Prior art keywords
- steel sleeve
- plate
- drilling machine
- rotary drilling
- placing
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Abstract
The invention discloses a construction process for removing obstacles by a full rotary drilling machine, which comprises the following steps: s1: setting out on site, and determining the position of the barrier; s2: mounting a fully-rotary drilling machine; s3: drilling construction of a steel sleeve, wherein barriers are arranged in the steel sleeve; s4: removing obstacles; s5: when the barrier in the steel sleeve is removed to the height of the underground pressure-bearing water level, temporarily stopping excavating the barrier, firstly adding water into the steel sleeve to the top of the steel sleeve to prevent the pressure-bearing water from surging to cause the surrounding ground surface to subside, and continuously cleaning the barrier in the steel sleeve by using the hydraulic flushing grab after the water is added until the barrier is removed; s6: backfilling; s7: soil body reinforcement, this application has the effect that makes things convenient for the follow-up construction of staff.
Description
Technical Field
The invention relates to the field of building construction, in particular to a full rotary drilling machine obstacle removing construction process.
Background
In the process of city construction, concrete obstacles (hereinafter referred to as obstacles) exist in the soil body in the construction process of a construction unit, which often affect the construction process, and in order to smoothly perform construction, the obstacles in the soil body are usually removed on site.
When removing the obstacle, a gravity hammer is usually used to impact the obstacle, break the obstacle, and then remove the obstacle.
Although the method can be used for dismantling the barrier, the soil around the barrier can be damaged in the dismantling process, and after the barrier is dismantled, the reconstruction at the position of the barrier is difficult, so that inconvenience is brought to the subsequent construction of workers.
Disclosure of Invention
In order to facilitate subsequent construction of workers, the application provides a barrier removing construction process of a fully-rotary drilling machine.
The application provides a full circle drilling machine obstacle clearing construction process which adopts the following technical scheme:
a full rotary drilling machine obstacle removing construction process comprises the following steps:
s1: setting out on site, and determining the position of the barrier;
s2: mounting a fully-rotary drilling machine;
s3: the steel sleeve drilling construction is carried out, the steel sleeve is rotated into a soil body through the fully-rotary drilling machine, the fully-rotary drilling machine generates a downward pressure and a torque during operation, the downward pressure and the torque are transmitted to the steel sleeve torsion and then transmitted to an obstacle, a tool bit on the steel sleeve moves along with the steel sleeve and clears the obstacle in the soil body, so that the bottom of the steel sleeve reaches a preset elevation, and the obstacle is located in the steel sleeve;
s4: clearing the barrier, grabbing the soil body on the barrier out through a hydraulic flushing grab bucket when the steel sleeve gradually enters the soil body, impacting the barrier through the hydraulic flushing grab bucket to enable the barrier to be broken to form broken slag, and grabbing the broken slag through the hydraulic flushing grab bucket;
s5: when the barrier in the steel sleeve is removed to the height of the underground pressure-bearing water level, temporarily stopping excavating the barrier, firstly adding water into the steel sleeve to the top of the steel sleeve to prevent the pressure-bearing water from surging to cause the surrounding ground surface to be settled, and continuously cleaning the barrier in the steel sleeve by using the hydraulic flushing grab after the water is added until the barrier is removed;
s6: backfilling, namely backfilling cement soil while pulling out the steel sleeve after all the obstacles are removed, keeping the steel sleeve and the cement soil in an intersection of at least 2 meters, and simultaneously filling the cement soil to the ground after all the steel sleeve is pulled out;
s7: and after backfilling the cement soil, determining whether soil body reinforcement is needed according to the requirement, and if the soil body reinforcement is needed, performing rotary spraying reinforcement on the backfilled cement soil.
Through adopting above-mentioned technical scheme, when cleaing away the barrier, can press the steel casing pipe in the earth, with the steel casing pipe cover at the barrier periphery, make the barrier lie in the steel casing pipe, at the in-process of cleaing away the barrier, clear away the operation to the barrier in the steel casing pipe all the time, be difficult to lead to the fact destruction to the peripheral soil body of barrier, demolish the back as the barrier, it is comparatively convenient to construct at barrier position department of rebuilding, brings the convenience for staff's follow-up construction.
Optionally, in step S2, when installing the full-circle drilling machine, a steel plate is laid on the ground, and then the full-circle drilling machine is installed, so that the steel plate mats are on two opposite sides of the bottom of the full-circle drilling machine.
Through adopting above-mentioned technical scheme, when installing the rig that circles round entirely, lay the steel sheet on the ground earlier, then lay the rig that circles round entirely, the steel sheet can play the supporting role, prevents that the rig that circles round entirely overweight leads to ground to collapse.
Optionally, two opposite sides of the fully-rotary drilling machine are provided with supporting plates, and balancing weights are arranged on the supporting plates.
Through adopting above-mentioned technical scheme, relative both sides set up the balancing weight piece on the rig that circles round entirely, can balance the rig that circles round entirely, when using the rig operation steel casing that circles round entirely, can prevent that equipment from empting or removing.
Optionally, an installation assembly is arranged on the support plate, the balancing weight block is arranged on the installation assembly, the installation assembly includes two installation columns, a placement plate, a hinge rod, a sliding frame, a weight holding block and a limiting plate, the installation columns are arranged on the support plate, the installation columns are provided with moving through holes, the placement plates are hinged on the installation columns, at least three placement plates are arranged on each installation column, one ends, far away from each other, of the placement plates on the two installation columns, close to the ground, are connected with the weight holding block, and the weight holding block is located on one side, close to the ground, of the placement plates; the ends, far away from each other, of the rest of the placing plates on the two mounting columns are connected with the hinge rods, and the hinge rods are hinged to the side wall, close to the ground, of one side of each placing plate; the sliding frame is arranged on the side wall of one side, away from the ground, of each placing plate on the two mounting columns, the adjacent two placing plates on the same mounting column are connected with the sliding frame through the hinge rod, one end, away from the hinge point, of the hinge rod is connected with the sliding column, the sliding column is in sliding fit with the sliding frame on the sliding frame, the length of the hinge rod between the two placing plates, close to the ground, on the same mounting column is smaller than that between the other two adjacent placing plates, the ends, close to each other, of the placing plates on the two mounting columns can be detachably connected with the limiting plates, and the limiting plates are located on two sides of the placing plates; before the balancing weight block is not installed, one end, close to the ground, of each placing plate on the two installing columns is located between the two installing columns, one end, close to the other placing plates, of each installing column is located in the moving through hole, when the balancing weight block is installed, the balancing weight block is located between the two installing columns, and two ends of the balancing weight block are located above the placing plates and abut against the placing plates.
By adopting the technical scheme, because the balancing weight block is generally heavier, the balancing weight block is generally hoisted by a crane to realize the movement of the balancing weight block, when the balancing weight block is installed, one end, close to the ground, of each placing plate on the two installing columns is positioned between the two installing columns, one end, close to the rest placing plates, on the two installing columns is positioned in the moving through hole, the balancing weight block is hoisted by the crane to be placed between the two adjacent installing columns, the balancing weight block is placed on the placing plate close to the ground, the limiting plate limits the two ends of the balancing weight block to complete the placement of the balancing weight block, the placing plate close to the ground is in a horizontal state, in the rest placing plates on the two installing columns, the end part, close to the ground, of the placing plate penetrates through the moving through hole and is positioned between the two installing columns, the other end, close to the placing plate, on the two installing columns, is still positioned in the moving through hole, then a second balancing weight block is placed on the placing plate with the end part positioned between the two mounting columns through a crane, the placing plate for supporting the second balancing weight block is changed into a horizontal state, the end part of the placing plate close to the ground passes through the moving through hole and is positioned between the two mounting columns in the rest placing plates on the two mounting columns, one end of the other placing plates on the two mounting columns, which is close to each other, is still positioned in the moving through hole, the balancing weight block is continuously placed by installing the operation mode until the balancing weight block positions are all placed on the placing plate, the installation assembly can fully utilize the space on one hand, the balancing weight blocks are stacked in the vertical direction, the balancing effect on the fully-revolving drilling machine is improved, on the other hand, when the balancing weight blocks are stacked, the balancing weight blocks can be stacked in the vertical direction without balancing and stacking the balancing weight blocks from one side of the installation assembly, great convenience is brought to the placement of the balancing weight block. When the balancing weight block is dismantled to needs, dismantle the limiting plate from placing the board and get off, then take off balancing weight block from placing the board.
Optionally, the hinge joint of the placing plate and the mounting column is located in the moving through hole, and a cushion block used for keeping the placing plate horizontal when bearing the load is arranged in the moving through hole.
Through adopting above-mentioned technical scheme, the setting up of cushion can support placing the board, avoids placing the board and takes place the slope when supporting balanced balancing weight piece, influences life.
Optionally, a vertical plate is arranged on the supporting plate, an electromagnet block is arranged on the vertical plate, a positioning iron block is arranged on the balancing weight block, and when the electromagnet block is powered on, the positioning iron block is adsorbed by the electromagnet block.
Through adopting above-mentioned technical scheme, lay the balancing weight block on placing the board after, to the circular telegram of electromagnetism iron plate, the location iron plate on the balancing weight block is adsorbed by the electromagnetism iron plate to improve the stability of balancing weight block.
Optionally, a tightening device is arranged on the supporting plate, the tightening device is located on one side, away from the vertical plate, of the mounting assembly, the tightening device comprises a lead screw, a motor, a nut block, a tightening plate and a tightening rod, the lead screw is rotatably connected to the supporting plate, the motor is arranged on the supporting plate and is linked with the lead screw, the nut block is in threaded connection with the lead screw, the nut block is in sliding fit with the supporting plate, the tightening rod is arranged on the nut block, and the tightening plate is arranged on the tightening rod and tightens the balancing weight block.
Through adopting above-mentioned technical scheme, lay the back with balanced balancing weight, starter motor, the motor passes through the lead screw and drives the nut piece removal, and the nut piece drives through supporting tight pole and supports tight board removal, makes to support tight pole and support tight balanced balancing weight, supports tight device and uses with the cooperation of electromagnetism iron plate, further improves the stability of balanced balancing weight.
Optionally, the nut block is kept away from the one end of backup pad is equipped with the recess, it is connected with the pivot to rotate on the nut block, the pivot position in the recess, the setting of tight pole is in the pivot, all be equipped with two spacing subassemblies on two relative lateral walls on the recess, spacing subassembly includes spring and spacer pin, be equipped with the spacing groove on the recess lateral wall, the one end of spring is connected spacing groove bottom, the other end is connected the spacer pin, when the spring is in natural state, the spacer pin is kept away from the one end of spring is located the spacing groove outside, when the tight pole is in vertical state, two on the same lateral wall on the recess spacing subassembly is located the both sides of tight pole.
Through adopting above-mentioned technical scheme, when needs take out the balancing weight, starter motor earlier, the nut piece drives and supports tight board and move towards keeping away from the balancing weight direction, it is enough to make to support tight board and support tight pole and rotate smoothly to support the distance between tight board and the balancing weight, then press the spacer pin into the spacing inslot, will support tight pole and rotate to vertical state, remove the application of force to the spacer pin, the spacer pin pops out and lies in the both sides of supporting the tight pole from the spacing inslot, thereby it is spacing to the tight pole of supporting of vertical state, avoid supporting tight pole and rotate, make things convenient for the staff to take out the balancing weight this moment.
Optionally, the bottom of the groove is provided with a supporting block for enabling the abutting rod to be in a horizontal state.
Through adopting above-mentioned technical scheme, when supporting on the tight pole that supports the tight board and contradict the balancing weight piece, can make to support between tight board and the balancing weight piece tightly the effect better.
Optionally, additional balancing weights are connected to the supporting plate and located on two sides of the abutting device.
Through adopting above-mentioned technical scheme, the setting of additional balancing weight can be with propping up the vacant space make full use of tight device both sides, and can further improve the balanced effect of the rig that circles round entirely.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when clearing the barrier, can press the steel casing pipe into the soil body, with the steel casing pipe cover at the barrier periphery, make the barrier be located the steel casing pipe, at the in-process of clearing the barrier, clear away the operation to the barrier in the steel casing pipe all the time, be difficult to cause the destruction to the peripheral soil body of barrier, demolish the back when the barrier, it is comparatively convenient to construct at the barrier position place of rebuilding, brings the convenience for staff's follow-up construction.
2. When the fully-rotary drilling machine is installed, a steel plate is laid on the ground firstly, and then the fully-rotary drilling machine is placed, wherein the steel plate can play a supporting role to prevent the over-weight of the fully-rotary drilling machine from causing ground collapse.
3. The balance weight blocks are arranged on two opposite sides of the fully-rotary drilling machine, so that the fully-rotary drilling machine can be balanced, and when the fully-rotary drilling machine is used for operating a steel sleeve, the equipment can be prevented from being toppled or moved.
Drawings
Fig. 1 is a flow chart for embodying the obstacle clearing construction process of the full circle drilling machine in the embodiment of the application.
Fig. 2 is a schematic structural diagram for showing a positional relationship between the full-circle drilling machine and a steel plate in the embodiment of the present application.
Fig. 3 is a schematic structural diagram for showing a positional relationship between the vertical plate and the abutting plate in the embodiment of the present application.
Fig. 4 is a schematic structural diagram for showing a positional relationship between the slot and the supporting plate in the embodiment of the present application.
Fig. 5 is a diagram of a-a in the embodiment of the present application for embodying fig. 4.
Fig. 6 is a schematic structural diagram for showing a positional relationship between the placing plate and the weight holding block in the embodiment of the present application.
Fig. 7 is an enlarged view of a portion a of the structure of fig. 6 showing the positional relationship between the sliding column and the sliding frame.
Fig. 8 is a schematic structural diagram for embodying the placement of the balancing weights on the placement plate in the embodiment of the present application.
Fig. 9 is a schematic structural diagram for showing a positional relationship between the electromagnet block and the positioning iron block in the embodiment of the present application.
Fig. 10 is a schematic structural view for showing a connection relationship between the stop pin and the nut block in fig. 3.
Description of reference numerals:
1. a fully rotary drilling machine; 2. a steel plate; 3. a support plate; 4. a handle; 5. mounting a column; 6. placing the plate; 7. a hinged lever; 8. a sliding frame; 9. a weight support; 10. a limiting plate; 11. moving the through opening; 12. cushion blocks; 13. sliding the column; 14. a vertical plate; 15. an electromagnet block; 16. positioning an iron block; 17. a lead screw; 18. a motor; 19. a nut block; 20. a propping plate; 21. a tightening rod; 22. a dovetail block; 23. a dovetail groove; 24. a groove; 25. a spring; 26. a spacing pin; 27. a limiting groove; 28. adding a balancing weight; 29. a slot; 30. balancing the balancing weight block; 31. and (7) a supporting block.
Detailed Description
The embodiment of the application discloses a full rotary drilling machine obstacle clearing construction process. Referring to fig. 1 and 2, the obstacle removing construction process of the full rotary drilling machine comprises the following steps:
s1: setting out on site, and determining the position of the barrier;
s2: the fully-rotary drilling machine 1 is installed, when the fully-rotary drilling machine 1 is installed, a steel plate 2 is laid on the ground, and then the fully-rotary drilling machine 1 is placed, so that the steel plate 2 is padded on two opposite sides of the bottom of the fully-rotary drilling machine 1;
s3: the steel sleeve drilling construction is that the steel sleeve is rotated into a soil body through the fully-rotary drilling machine 1, the fully-rotary drilling machine 1 generates a downward pressure and a torque during operation, the downward pressure and the torque are transmitted to the steel sleeve torsion and then to an obstacle, a tool bit on the steel sleeve moves along with the steel sleeve and clears the obstacle in the soil body, the bottom of the steel sleeve reaches a preset elevation, the first section of steel sleeve is hoisted by hoisting equipment and is arranged on the full rotary drilling machine 1, the first section of steel sleeve is rotated into a soil body through the full rotary drilling machine 1, the second section of steel sleeve is connected on the first section of steel sleeve through a bolt, pressing a second section of steel sleeve into a soil body through the fully-rotary drilling machine 1, continuously installing the steel sleeve, moving a cutter head on the first section of steel sleeve along with the steel sleeve and clearing obstacles in the soil body until the bottom of the steel sleeve reaches a preset elevation, and placing the obstacles in the steel sleeve;
s4: removing the barrier, grabbing the soil body on the barrier out through a hydraulic flushing grab bucket when the steel sleeve gradually enters the soil body, impacting the barrier through the hydraulic flushing grab bucket to crack the barrier to form crushed slag, and grabbing the crushed slag out through the hydraulic flushing grab bucket;
s5: when the depth of clearing the obstacles in the steel sleeve reaches the height of the underground pressure-bearing water level, temporarily stopping excavating the obstacles, firstly adding water into the steel sleeve to the top of the steel sleeve to prevent the pressure-bearing water from surging to cause the surrounding ground surface to subside, and continuously clearing the obstacles in the steel sleeve by using a hydraulic flushing grab after the water is added until the obstacles are cleared;
s6: backfilling, namely backfilling cement soil while pulling out the steel sleeve after all the obstacles are removed, keeping at least 2 m intersection of the steel sleeve and the cement soil, and simultaneously filling the cement soil to the ground after all the steel sleeve is pulled out;
s7: and after backfilling the cement soil, determining whether soil body reinforcement is needed according to the requirement, and if the soil body reinforcement is needed, performing rotary spraying reinforcement on the backfilled cement soil.
Referring to fig. 2 and 3, the bottom of two opposite sides of the fully-rotary drilling machine 1 is fixedly connected with a supporting plate 3, the supporting plate 3 is connected with a balancing weight block 30 and a mounting component, the balancing weight block 30 is arranged on the mounting component, and two opposite sides of the balancing weight block 30 are connected with handles 4 which are convenient for hoisting the balancing weight block 30.
Referring to fig. 4 and 5, the mounting assembly includes a mounting post 5, a placing plate 6, a hinge lever 7, a sliding frame 8, a weight holding block 9, and a limit plate 10.
Referring to fig. 5 and 6, the number of the mounting columns 5 is two, the mounting columns 5 are fixedly connected to the support plate 3, the mounting columns 5 are provided with moving through holes 11, the moving through holes 11 are sequentially arranged from top to bottom, the placing plates 6 are hinged to the mounting columns 5, the number of the moving through holes 11 on each mounting column 5 is the same as that of the placing plates 6, at least three placing plates 6 are arranged on each mounting column 5, in the embodiment, three placing plates 6 are arranged on each mounting column 5, and the three placing plates 6 are sequentially called as a first placing plate, a second placing plate and a third placing plate from bottom to top; the hinged position of the placing plate 6 and the mounting column 5 is positioned in the moving through hole 11, and a cushion block 12 for keeping the placing plate 6 horizontal when bearing load is connected in the moving through hole 11.
The ends, far away from each other, of the placing plates 6 on the two mounting columns 5, close to the ground, are connected with the weight holding blocks 9, and the weight holding blocks 9 are positioned on one sides, close to the ground, of the placing plates 6; the ends, far away from each other, of the rest placing plates 6 on the two mounting columns 5 are connected with hinge rods 7, and the hinge rods 7 are hinged on the side wall, close to the ground, of the placing plate 6; the one end that places board 6 and keep away from each other on two erection columns 5 all connects the frame 8 that slides, the frame 8 that slides sets up on the lateral wall of placing board 6 and deviating from ground one side, adjacent two on same erection column 5 are placed and are linked to each other through hinge bar 7 and frame 8 that slides between the board 6, refer to fig. 5 and 7, the one end that hinge bar 7 kept away from the pin joint is connected with the post 13 that slides, slide post 13 and slide frame 8 sliding fit on the frame 8 that slides, two that are close to ground on same erection column 5 place the length of hinge bar 7 between the board 6 and be less than other adjacent two the length of placing hinge bar 7 between the board 6, in this embodiment, the length of hinge bar 7 on the board is placed to the second is less than the length of hinge bar 7 on the board is placed to the third.
Referring to fig. 5 and 7, the ends of the placing plates 6 on the two mounting posts 5, which are close to each other, are detachably connected with the limiting plates 10 through screws, and the limiting plates 10 are located on two sides of the placing plates 6.
Referring to fig. 5 and 8, before the balancing weight 30 is not installed, the ends of the placing plates 6 close to the ground on the two mounting posts 5 are located between the two mounting posts 5, the other ends of the placing plates 6 close to each other on the two mounting posts 5 are located in the moving through hole 11, when the balancing weight 30 is installed, the balancing weight 30 is located between the two supporting posts, and the two ends of the balancing weight 30 are located above the placing plates 6 and abut against the placing plates 6.
Referring to fig. 2 and 9, a vertical plate 14 is connected to the support plate 3, the vertical plate 14 is located between the fully-rotary drilling machine 1 and the mounting assembly, an electromagnet block 15 is connected to the vertical plate 14, a positioning iron block 16 is connected to the balancing weight block 30, and when the electromagnet block 15 is electrified, the positioning iron block 16 is adsorbed by the electromagnet block 15.
Referring to fig. 3, a tightening device is connected to the supporting plate 3, the tightening device is located on one side of the mounting assembly away from the vertical plate 14, and the tightening device includes a lead screw 17, a motor 18, a nut block 19, a tightening plate 20 and a tightening rod 21.
Referring to fig. 3 and 10, a screw 17 is rotatably connected to a support plate 3, a motor 18 is disposed on the support plate 3 and connected to the screw 17, a nut block 19 is threadedly connected to the screw 17, the nut block 19 is in sliding fit with the support plate 3, a dovetail groove 23 is disposed on the support plate 3, a dovetail block 22 is connected to the nut block 19, the dovetail block 22 is disposed in the dovetail groove 23 and is in sliding fit with the dovetail groove 23, a tightening rod 21 is disposed at one end of the nut block 19 away from the support plate 3, referring to fig. 9 and 10, a groove 24 is disposed at one end of the nut block 19 away from the support plate 3, a rotating shaft is rotatably connected to the nut block 19, the rotating shaft is disposed in the groove 24, one end of the tightening rod 21 is connected to the rotating shaft, two limiting assemblies are respectively connected to two opposite side walls of the groove 24, the position of the limiting assemblies in the vertical direction is higher than the rotating shaft, each limiting assembly comprises a spring 25 and a limiting pin 26, a limiting groove 27 is disposed on a side wall of the groove 24, the bottom of spacing groove 27 is connected to the one end of spring 25, and the spacer pin 26 is connected to the other end, and when spring 25 was in natural state, the one end that spring 25 was kept away from to spacer pin 26 was located the spacing groove 27 outside, and recess 24 bottom is connected with the supporting shoe 31 that is used for making to support tight pole 21 and be in the horizontality, refers to fig. 3 and fig. 10, supports tight board 20 and connects the one end of keeping away from the pivot at support tight pole 21, supports tight board 20 and supports tight balancing weight 30. When the supporting rod 21 is in the vertical state, two limiting assemblies on the same side wall of the groove 24 are positioned on two sides of the supporting rod 21 so as to limit the supporting rod 21.
Referring to fig. 2 and 3, the additional weight block 28 is detachably connected to the supporting plate 3, the additional weight block 28 is located at two sides of the abutting device, the supporting plate 3 is provided with a slot 29, and the additional weight block 28 is inserted into the slot 29.
The implementation principle of the obstacle clearing construction process of the full rotary drilling machine 1 in the embodiment of the application is as follows: before construction, firstly, lofting on site, determining the position of an obstacle, then laying a steel plate 2 on the ground, and placing a full rotary drilling machine 1 on the steel plate 2 to enable the steel plate 2 to be padded on two opposite sides of the bottom of the full rotary drilling machine.
Connect the rope on handle 4 on balancing weight block 30, connect the rope on the crane, hoist balancing weight block 30 through the crane, when carrying out the installation of first balancing weight block 30, because the first one end of placing the board and being close to each other on two erection columns 5 is located between two erection columns 5, all the other one ends of placing board 6 and being close to each other on two erection columns 5 all are located and remove opening 11, hoist balancing weight block 30 through the crane, put into between two adjacent erection columns 5 balancing weight block 30, place balancing weight block 30 first on placing the board, first place board and first place the slip frame 8 on the board and take place the rotation, limiting plate 10 is spacing to balancing weight block 30's both ends, accomplish laying of first balancing weight block 30, first place board conflict cushion 12 and be the horizontality this moment.
Among the remaining placing plates 6 on the two mounting posts 5, since the sliding frame 8 on the first placing plate rotates together with the first placing plate, the sliding post 13 and the hinge rod 7 on the second placing plate rotate, the end of the second placing plate passes through the moving through hole 11 and is positioned between the two mounting posts 5, the end of the third placing plate on the two mounting posts 5 close to each other is still positioned in the moving through hole 11, and then the second balancing weight 30 is placed on the second placing plate with the end positioned between the two mounting posts 5 by the crane, the placing plate 6 for supporting the second balancing weight 30 rotates and becomes horizontal, during the rotation of the second placing plate, the sliding frame 8 on the second placing plate rotates together with the second placing plate, the sliding post 13 and the hinge rod 7 on the third placing plate rotate, the end of the third placing plate passes through the moving through hole 11 and is positioned between the two mounting posts 5, and then, a third balancing weight block 30 is placed on a third placing plate with the end part positioned between the two mounting columns 5 through a crane, and a placing plate 6 for supporting the third balancing weight block 30 rotates and becomes a horizontal state, so that the stacking of the balancing weight blocks 30 is completed.
After stacking the balancing weight block 30, to electromagnet 15 circular telegram, location iron plate 16 on the balancing weight block 30 is adsorbed by electromagnet 15, again to the spacer pin 26 application of force, impress spacer pin 26 to the spacing inslot 27, rotate and support tight pole 21, support tight pole 21 and conflict supporting shoe 31 and be in the horizontality, restart motor 18, motor 18 drives lead screw 17 and rotates, lead screw 17 drives nut piece 19 and removes rotating the in-process, nut piece 19 drives supporting shoe 21 and supports tight board 20 and removes moving the in-process, make and support tight board 20 and support tightly on balancing weight block 30, electromagnet 15 and support tight board 20 cooperation use, improve the stability after balancing weight block 30 lays on placing board 6, accomplish the installation of the complete rig 1 that circles round.
After the fully-rotary drilling machine 1 is installed, the steel sleeve is drilled, the steel sleeve is rotated into a soil body through the fully-rotary drilling machine 1, the fully-rotary drilling machine 1 generates a lower pressure and a torque during operation, the lower pressure and the torque are transmitted to the torsion of the steel sleeve and then transmitted to an obstacle, a cutter head on the steel sleeve moves along with the steel sleeve and clears the obstacle in the soil body, the bottom of the steel sleeve reaches a preset elevation, the obstacle is placed in the steel sleeve, then obstacle clearing work is carried out, the soil body on the obstacle is firstly grabbed out, then the obstacle is impacted, the obstacle is cracked to form crushed slag, then the crushed slag is grabbed out, when the clearing depth of the obstacle in the steel sleeve reaches the height of an underground pressure-bearing water level, the obstacle is temporarily stopped to be cleared, water is firstly added into the top of the steel sleeve to prevent the pressure-bearing water from rushing out, the surrounding ground surface is settled, the obstacle is continuously cleared after the water is added, until the obstacle is cleared.
After the barriers are completely removed, pulling out the steel sleeve and backfilling cement soil, after the steel sleeve is completely pulled out, filling the cement soil to the ground simultaneously, determining whether soil body reinforcement is needed according to requirements, and if the soil body reinforcement is needed, performing rotary spraying reinforcement on the backfilled cement soil.
The whole in-process of cleaing away the barrier is clear away the operation to the barrier all the time in the steel casing pipe, is difficult to cause the destruction to the peripheral soil body of barrier, demolishs the back when the barrier, and it is comparatively convenient to construct at barrier position department of rebuilding, brings the convenience for staff's follow-up construction.
When the fully-rotary drilling machine 1 needs to be moved, the balancing weight block 30 is detached, when the balancing weight block 30 is detached, the motor 18 is started, the nut block 19 drives the abutting plate 20 to move towards the direction far away from the balancing weight block 30 until the distance between the abutting plate 20 and the balancing weight block 30 is enough to enable the abutting plate 20 and the abutting rod 21 to smoothly rotate, then the limit pin 26 is pressed into the limit groove 27, the abutting rod 21 is rotated to the vertical state, the force application to the limit pin 26 is released, the limit pin 26 is ejected out of the limit groove 27 and positioned at the two sides of the abutting rod 21, thereby it is spacing to the tight pole 21 that supports of vertical state, to electromagnet piece 15 outage again, location iron plate 16 no longer adsorbed by electromagnet piece 15, will be close to limiting plate 10 of nut piece 19 and dismantle from placing board 6, remove the spacing to balancing weight block 30 to take off balancing weight block 30 from placing board 6 through handle 4.
After the balancing weight block 30 is detached, the additional balancing weight block 28 is taken out from the slot 29, so that the purpose of detaching the additional balancing weight block 28 is achieved, and the full-circle drilling machine 1 can be conveniently moved.
Claims (10)
1. A full rotary drilling machine obstacle removing construction process is characterized in that: the method comprises the following steps:
s1: setting out on site, and determining the position of the barrier;
s2: mounting a fully-rotary drilling machine (1);
s3: the steel sleeve drilling construction is carried out, the steel sleeve is rotated into a soil body through the fully-rotary drilling machine (1), the fully-rotary drilling machine (1) generates a lower pressure and a torque during operation, the lower pressure and the torque are transmitted to the steel sleeve torsion and then transmitted to an obstacle, a cutter head on the steel sleeve moves along with the steel sleeve and removes the obstacle in the soil body, so that the bottom of the steel sleeve reaches a preset elevation, and the obstacle is located in the steel sleeve;
s4: clearing obstacles, namely grabbing the soil body on the obstacles out through a hydraulic flushing grab bucket when the steel sleeve gradually enters the soil body, impacting the obstacles through the hydraulic flushing grab bucket to break the obstacles to form crushed slag, and grabbing the crushed slag out through the hydraulic flushing grab bucket;
s5: when the barrier in the steel sleeve is removed to the height of the underground pressure-bearing water level, temporarily stopping excavating the barrier, firstly adding water into the steel sleeve to the top of the steel sleeve to prevent the pressure-bearing water from surging to cause the surrounding ground surface to be settled, and continuously cleaning the barrier in the steel sleeve by using the hydraulic flushing grab after the water is added until the barrier is removed;
s6: backfilling, namely backfilling cement soil while pulling out the steel sleeve after all the obstacles are removed, keeping the steel sleeve and the cement soil in an intersection of at least 2 meters, and simultaneously filling the cement soil to the ground after all the steel sleeve is pulled out;
s7: and after backfilling the cement soil, determining whether soil body reinforcement is needed according to the requirement, and if the soil body reinforcement is needed, performing rotary spraying reinforcement on the backfilled cement soil.
2. The obstacle removing construction process of the full rotary drilling machine according to claim 1, wherein: in step S2, when the fully-rotary drilling rig (1) is installed, a steel plate (2) is laid on the ground, and then the fully-rotary drilling rig (1) is placed, so that the steel plate (2) is padded on two opposite sides of the bottom of the fully-rotary drilling rig (1).
3. The obstacle removing construction process of the full rotary drilling machine according to claim 2, wherein: the rotary drilling machine is characterized in that supporting plates (3) are arranged on two opposite sides of the rotary drilling machine (1), and balancing weights (30) are arranged on the supporting plates (3).
4. The full rotary drilling machine obstacle clearing construction process according to claim 3, characterized in that: the supporting plate (3) is provided with a mounting component, the balancing weight block (30) is arranged on the mounting component, the mounting assembly comprises a mounting column (5), a placing plate (6), a hinge rod (7), a sliding frame (8), a weight holding block (9) and a limiting plate (10), the number of the mounting columns (5) is two, the mounting columns (5) are arranged on the supporting plate (3), the mounting columns (5) are provided with moving through holes (11), the placing plates (6) are hinged on the mounting columns (5), at least three placing plates (6) are arranged on each mounting column (5), one ends, far away from each other, of the placing plates (6) close to the ground on the two mounting columns (5) are connected with the weight holding blocks (9), the weight support (9) is positioned on one side of the placing plate (6) close to the ground; the ends, far away from each other, of the rest placing plates (6) on the two mounting columns (5) are connected with the hinge rods (7), and the hinge rods (7) are hinged to the side wall, close to the ground, of the placing plate (6); the ends, far away from each other, of the placing plates (6) on the two mounting columns (5) are connected with the sliding frame (8), the sliding frame (8) is arranged on the side wall, far away from the ground side, of the placing plate (6), the two adjacent placing plates (6) on the same mounting column (5) are connected with the sliding frame (8) through the hinge rod (7), the end, far away from the hinge point, of the hinge rod (7) is connected with the sliding column (13), the sliding column (13) is in sliding fit with the sliding frame (8) on the sliding frame (8), the length of the hinge rod (7) between the two placing plates (6) on the same mounting column (5), close to the ground, is smaller than the length of the hinge rod (7) between the two other adjacent placing plates (6), and the ends, close to each other, of the placing plates (6) on the two mounting columns (5) can be detachably connected with the limiting plate (10), the limiting plates (10) are positioned at two sides of the placing plate (6); before the balancing weight block (30) is not installed, one end, close to the ground, of the placing plate (6) on the two installing columns (5) is located between the two installing columns (5), one end, close to the ground, of the other placing plates (6) on the two installing columns (5) is located in the moving through hole (11), when the balancing weight block (30) is installed, the balancing weight block (30) is located between the two supporting columns, and two ends of the balancing weight block (30) are located above the placing plate (6) and abut against the placing plate (6).
5. The full rotary drilling machine obstacle clearing construction process according to claim 4, characterized in that: the hinge joint of the placing plate (6) and the mounting column (5) is positioned in the moving through opening (11), and a cushion block (12) used for keeping the placing plate (6) horizontal during bearing is arranged in the moving through opening (11).
6. The full rotary drilling machine obstacle clearing construction process according to claim 5, characterized in that: be equipped with vertical board (14) on backup pad (3), be equipped with electromagnet piece (15) on vertical board (14), be equipped with location iron plate (16) on balancing weight piece (30), when electromagnet piece (15) circular telegram, location iron plate (16) quilt electromagnet piece (15) adsorb.
7. The full rotary drilling machine obstacle clearing construction process according to claim 6, characterized in that: the supporting plate (3) is provided with a tightening device, the tightening device is located on one side, away from the vertical plate (14), of the mounting assembly, the tightening device comprises a lead screw (17), a motor (18), a nut block (19), a tightening plate (20) and a tightening rod (21), the lead screw (17) is rotatably connected to the supporting plate (3), the motor (18) is arranged on the supporting plate (3) and is linked with the lead screw (17), the nut block (19) is in threaded connection with the lead screw (17), the nut block (19) is in sliding fit with the supporting plate (3), the tightening rod (21) is arranged on the nut block (19), and the tightening plate (20) is arranged on the tightening rod (21) and is tightened against the balancing weight block (30).
8. The full rotary drilling machine obstacle clearing construction process according to claim 7, characterized in that: a groove (24) is arranged at one end of the nut block (19) far away from the supporting plate (3), the nut block (19) is rotatably connected with a rotating shaft which is positioned in the groove (24), the abutting rod (21) is arranged on the rotating shaft, two limiting components are respectively arranged on two opposite side walls of the groove (24), the limiting component comprises a spring (25) and a limiting pin (26), a limiting groove (27) is arranged on the side wall of the groove (24), one end of the spring (25) is connected with the bottom of the limit groove (27), the other end is connected with the limit pin (26), when the spring (25) is in a natural state, one end of the limiting pin (26) far away from the spring (25) is positioned outside the limiting groove (27), when the abutting rod (21) is in a vertical state, the two limiting assemblies on the same side wall of the groove (24) are located on two sides of the abutting rod (21).
9. The full rotary drilling machine obstacle clearing construction process according to claim 8, characterized in that: and a supporting block (31) used for enabling the abutting rod (21) to be in a horizontal state is arranged at the bottom of the groove (24).
10. The full rotary drilling machine obstacle clearing construction process according to claim 7, characterized in that: and additional balancing weights (28) are connected to the supporting plate (3), and the additional balancing weights (28) are positioned at two sides of the abutting device.
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Cited By (1)
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| CN115506350A (en) * | 2022-10-12 | 2022-12-23 | 杭州余杭建筑设计院有限公司 | Construction device and construction method for removing obstacles of existing pile foundation |
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