CN114215474B - Barrier removing construction process of full rotary drilling machine - Google Patents
Barrier removing construction process of full rotary drilling machine Download PDFInfo
- Publication number
- CN114215474B CN114215474B CN202111292274.9A CN202111292274A CN114215474B CN 114215474 B CN114215474 B CN 114215474B CN 202111292274 A CN202111292274 A CN 202111292274A CN 114215474 B CN114215474 B CN 114215474B
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- drilling machine
- obstacle
- rotary drilling
- full rotary
- plates
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Classifications
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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 application discloses a barrier removal construction process of a full rotary drilling machine, which comprises the following steps of: s1: setting out on site, and determining the position of an obstacle; s2: installing a full rotary drilling machine; s3: drilling construction of a steel sleeve, wherein an obstacle is positioned in the steel sleeve; s4: clearing the obstacle; s5: when the barrier clearing depth in the steel sleeve reaches the underground pressure-bearing water level, temporarily stopping excavation, temporarily stopping excavating barriers, firstly adding water into the steel sleeve to the top of the steel sleeve so as to prevent the pressure-bearing water from rising upwards and causing surrounding ground surface subsidence, and continuously clearing the barriers in the steel sleeve by using the hydraulic grab after the water addition is completed until the barriers are cleared; s6: backfilling; s7: the soil body reinforcement device has the effect of facilitating subsequent construction of workers.
Description
Technical Field
The application relates to the field of building construction, in particular to a barrier removing construction process of a full rotary drilling machine.
Background
In the city construction process, in the construction process of a construction unit, concrete barriers (hereinafter referred to as barriers) exist in a soil body frequently, the phenomenon of influencing the construction process is influenced, and in order to smoothly carry out the construction, the barriers in the soil body are usually required to be cleared on site.
In removing the obstacle, a gravity hammer is generally used to strike the obstacle, break the obstacle, and then remove the obstacle.
Although the method can realize the removal of the obstacle, the soil around the obstacle is damaged in the removal process, and after the obstacle is removed, the construction is difficult to construct again at the position of the obstacle, so that the inconvenience is brought to the subsequent construction of staff.
Disclosure of Invention
In order to facilitate subsequent construction of workers, the application provides a barrier removing construction process of a full rotary drilling machine.
The application provides a full rotary drilling machine obstacle clearing construction process which adopts the following technical scheme:
the obstacle clearing construction process of the full rotary drilling machine comprises the following steps of:
s1: setting out on site, and determining the position of an obstacle;
s2: installing a full rotary drilling machine;
s3: the steel casing drilling construction is carried out, the steel casing is rotated into soil through the full-circle drilling machine, the full-circle drilling machine generates downward pressure and torque when in operation, the downward pressure and torque are transmitted to the steel casing, the torque is transmitted to the obstacle, a cutter head on the steel casing moves along with the steel casing and clears the obstacle in the soil, so that the bottom of the steel casing reaches a preset elevation, and the obstacle is positioned in the steel casing;
s4: clearing obstacles, namely grabbing out soil bodies on the obstacles through a hydraulic grab bucket when the steel sleeve gradually enters the soil bodies, impacting the obstacles through the hydraulic grab bucket to enable the obstacles to be broken to form broken slag, and grabbing out the broken slag through the hydraulic grab bucket;
s5: when the obstacle clearing depth in the steel sleeve reaches the underground pressure-bearing water level, temporarily stopping excavating the obstacle, firstly adding water into the steel sleeve to the top of the steel sleeve so as to prevent the pressure-bearing water from rising upwards to cause surrounding ground surface subsidence, and continuously clearing the obstacle in the steel sleeve by using the hydraulic impact grab after the water addition is finished until the obstacle is cleared;
s6: backfilling, namely backfilling cement soil while removing the steel sleeve after all the barriers are removed, and enabling the steel sleeve and the cement soil to keep at least 2 m intersection, wherein the cement soil is filled into the ground at the same time after all the steel sleeve is removed;
s7: after backfilling the cement soil, determining whether soil body reinforcement is needed according to the requirements, and if the soil body needs to be reinforced, performing rotary spraying reinforcement on the backfilled cement soil.
Through adopting above-mentioned technical scheme, when the clearance barrier, can be with the steel bushing in the soil body, with steel bushing pipe box in the barrier periphery, make the barrier be located the steel bushing, in the in-process of clearing away the barrier, clear away the operation to the barrier in the steel bushing all the time, be difficult to cause the destruction to the peripheral soil body of barrier, after the barrier demolishs, it is comparatively convenient to construct in barrier position department again, brings the convenience for staff's follow-up construction.
Optionally, in step S2, when the full rotary drilling machine is installed, a steel plate is laid on the ground, and then the full rotary drilling machine is placed, so that the steel plate is padded on two opposite sides on the bottom of the full rotary drilling machine.
Through adopting above-mentioned technical scheme, when installing full circle round rig, lay the steel sheet on ground earlier, then lay full circle round rig again, the steel sheet can play the supporting role to prevent that full circle round rig is overweight, lead to ground collapse.
Optionally, the opposite both sides on the full circle rotary drilling machine are provided with the backup pad, be provided with the balancing weight in the backup pad.
Through adopting above-mentioned technical scheme, set up balancing weight in the relative both sides on the full rig that circles round, can balance the full rig that circles round, when using the full rig that circles round to operate the steel bushing, can prevent that equipment from empting or removing.
Optionally, the supporting plate is provided with a mounting assembly, the balancing weights are arranged on the mounting assembly, the mounting assembly comprises two mounting columns, a placing plate, a hinging rod, a sliding frame, weight holding blocks and limiting plates, the two mounting columns are arranged on the supporting plate, the mounting columns are provided with moving through holes, the placing plates are hinged on the mounting columns, at least three placing plates are arranged on each mounting column, one ends, close to the ground, of the placing plates on the two mounting columns, which are far away from each other are connected with the weight holding blocks, and the weight holding blocks are positioned on one side, close to the ground, of the placing plates; the other ends of the rest placing plates on the two mounting columns, which are far away from each other, are connected with the hinging rods, and the hinging rods are hinged on the side wall of one side of the placing plate, which is close to the ground; the two placing plates on the mounting columns are mutually far away from one another, one ends of the two placing plates on the mounting columns are respectively connected with the sliding frame, the sliding frames are arranged on the side wall of one side, away from the ground, of the placing plates, two adjacent placing plates on the same mounting column are connected with the sliding frames through the hinging rods, one ends, away from the hinging points, of the hinging rods are connected with the sliding columns, the sliding columns are in sliding fit with the sliding frames on the sliding frames, the length of the hinging rods 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, one ends, close to each other, of the placing plates on the two mounting columns are detachably connected with the limiting plates, and the limiting plates are positioned on two sides of the placing plates; before the balancing weight is not installed, two ends, close to the ground, of the placing plates, which are arranged on the mounting columns, are located between the two mounting columns, other ends, close to the placing plates, of the two mounting columns are located in the movable through holes, when the balancing weight is installed, the balancing weight is located between the two supporting columns, and two ends of the balancing weight are located above the placing plates and are abutted to the placing plates.
Through the technical scheme, because the balancing weight is heavier, the balancing weight is usually lifted by a crane, the movement of the balancing weight is realized, when the balancing weight is installed, one end, close to the ground, of each placing plate on the two mounting posts is positioned between the two mounting posts, one end, close to each other, of each other placing plate on the two mounting posts is positioned in the moving through hole, the balancing weight is lifted by the crane, the balancing weight is placed between the two adjacent mounting posts, the balancing weight is placed on the placing plate close to the ground, the limiting plates limit the two ends of the balancing weight, the placing of one balancing weight is completed, the placing plate close to the ground is in a horizontal state at the moment, among the rest of the placing plates left on the two mounting posts, the end of the placing plate close to the ground passes through the moving through hole and is positioned between the two mounting posts, the other end of the other placing plates on the two mounting posts, which are close to each other, is still positioned in the moving through hole, the second balancing weight is placed on the placing plate with the end part positioned between the two mounting posts by the crane, the placing plate for supporting the second balancing weight becomes horizontal, among the rest of the placing plates on the two mounting posts, the end part of the placing plate close to the ground passes through the moving through hole and is positioned between the two mounting posts, the other end of the other placing plate on the two mounting posts, which are close to each other, is still positioned in the moving through hole, the operation mode is installed, the balancing weight is continuously placed until the balancing weight positions are placed on the placing plates, the installation assembly can fully utilize the space to stack the balancing weight in the vertical direction, the balancing effect of the full rotary drilling machine is improved, and on the other hand, when the balancing weight is stacked, the balancing weight is stacked in the vertical direction, the balancing weights do not need to be stacked from one side of the installation assembly, and great convenience is brought to the placement of the balancing weights. When the balancing weight is required to be detached, the limiting plate is detached from the placing plate, and then the balancing weight is taken down from the placing plate.
Optionally, the place the board with the articulated department of erection column is located remove the opening, remove the opening in be equipped with and be used for keeping the cushion that the board was held horizontally when bearing.
Through adopting above-mentioned technical scheme, the setting of cushion can be to placing the board and support, avoids placing the board and takes place the slope when supporting balanced balancing weight, influences life.
Optionally, be equipped with vertical board in the backup pad, be equipped with the electromagnet block on the vertical board, be equipped with the location iron block on the balancing weight, when the electromagnet block circular telegram, the location iron block is adsorbed by the electromagnet block.
Through adopting above-mentioned technical scheme, lay balancing weight on placing the board after, switch on the electromagnet block, the location iron block on the balancing weight is adsorbed by the electromagnet block to improve balancing weight's stability.
Optionally, be equipped with in the backup pad and support tight device, support tight device and be located installation component keeps away from one side of vertical board, support tight device and include lead screw, motor, nut piece, support tight board and support tight pole, the lead screw rotates to be connected in the backup pad, the motor sets up in the backup pad and with the lead screw linkage, nut piece threaded connection is in on the lead screw, nut piece with backup pad sliding fit, support tight pole setting and be in on the nut piece, support tight board setting and support tight pole on supporting tight pole and support tightly balancing weight.
Through adopting above-mentioned technical scheme, lay the back with balancing weight, start motor, the motor passes through the lead screw and drives the nut piece and remove, and the nut piece passes through to support tight pole and drives to support tight board removal, makes to support tight pole to support tight balancing weight, supports tight device and electromagnet block cooperation and use, further improves balancing weight's stability.
Optionally, the nut piece 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 piece, the pivot position in the recess, it is in to support tight pole setting in the pivot, all be equipped with two spacing subassemblies on two opposite 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 spacing groove outside, when support tight pole is in vertical state, two on the same lateral wall on the recess spacing subassembly is located support the both sides of tight pole.
Through adopting above-mentioned technical scheme, when taking out balancing weight, start the motor earlier, the nut piece drives to support tight board and moves towards keeping away from balancing weight orientation, until support the distance between tight board and the balancing weight and enough make support tight board and support tight pole and rotate smoothly, then press the spacer pin to the spacing inslot, will support tight pole and rotate to vertical state, release the application of force to the spacer pin, the spacer pin pops out from the spacing inslot and is located the both sides of supporting tight pole, thereby it is spacing to the tight pole of supporting of vertical state, avoid supporting tight pole rotation, convenience staff takes out balancing weight this moment.
Optionally, a supporting block for enabling the abutting rod to be in a horizontal state is arranged at the bottom of the groove.
Through adopting above-mentioned technical scheme, when the tight board of support on the tight pole of support contradicts the balancing weight, can make the tight effect of support between tight board and the balancing weight better.
Optionally, an additional balancing weight is connected to the supporting plate, and the additional balancing weight is located at two sides of the abutting device.
Through adopting above-mentioned technical scheme, the setting of additional balancing weight can be with the space make full use of who supports tight device both sides, and can further improve the balanced effect of full whirl rig.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the obstacle is cleared, the steel sleeve can be pressed into the soil body, the steel sleeve is sleeved on the periphery of the obstacle, the obstacle is located in the steel sleeve, the obstacle is cleared away in the steel sleeve all the time in the obstacle clearing process, damage to the soil body around the obstacle is not easy to occur, and after the obstacle is removed, construction is more convenient at the position of the obstacle, and convenience is brought to subsequent construction of staff.
2. When the full-circle drilling machine is installed, a steel plate is paved on the ground, and then the full-circle drilling machine is installed, the steel plate can play a supporting role, so that the full-circle drilling machine is prevented from being overweight, and the ground collapses.
3. The balancing weights are arranged on two opposite sides of the full-circle drilling machine, so that the full-circle drilling machine can be balanced, and equipment can be prevented from toppling or moving when the steel sleeve is operated by the full-circle drilling machine.
Drawings
FIG. 1 is a flow chart for embodying the obstacle clearing construction process of the full rotary drilling machine in an embodiment of the application.
Fig. 2 is a schematic structural view for embodying the positional relationship between the full rotary drilling machine and the steel plate in the embodiment of the present application.
Fig. 3 is a schematic structural view for embodying the 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 illustrating a positional relationship between a socket and a support plate in an embodiment of the present application.
FIG. 5 is an A-A diagram used to embody FIG. 4 in an embodiment of the present application.
Fig. 6 is a schematic structural view showing the positional relationship between the placement plate and the weight-holding block in the embodiment of the present application.
Fig. 7 is an enlarged view of a portion a for showing a positional relationship between the slide column and the slide frame in fig. 6.
Fig. 8 is a schematic view of a structure for embodying the placement of balancing weights on a placement plate in an embodiment of the present application.
Fig. 9 is a schematic structural view for embodying the 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 showing a connection relationship between the stopper pin and the nut block in fig. 3.
Reference numerals illustrate:
1. a full rotary drilling machine; 2. a steel plate; 3. a support plate; 4. a handle; 5. a mounting column; 6. placing a plate; 7. a hinge rod; 8. a sliding frame; 9. a weight block; 10. a limiting plate; 11. moving the through port; 12. a cushion block; 13. a slip column; 14. a vertical plate; 15. an electromagnet block; 16. positioning an iron block; 17. a screw rod; 18. a motor; 19. a nut block; 20. a pressing plate; 21. a tightening rod; 22. dovetail blocks; 23. a dovetail groove; 24. a groove; 25. a spring; 26. a limiting pin; 27. a limit groove; 28. adding a balancing weight; 29. a slot; 30. balancing weight blocks; 31. and a supporting block.
Detailed Description
The embodiment of the application discloses an obstacle clearing construction process of a full rotary drilling machine. Referring to fig. 1 and 2, the obstacle clearing construction process of the full rotary drilling machine comprises the following steps:
s1: setting out on site, and determining the position of an obstacle;
s2: the method comprises the steps that a full rotary drilling machine 1 is installed, when the full rotary drilling machine 1 is installed, a steel plate 2 is paved on the ground, and then the full rotary drilling machine 1 is installed, so that the steel plate 2 is padded on two opposite sides of the bottom of the full rotary drilling machine 1;
s3: the steel casing drilling construction, the steel casing is rotated into the soil body through the full rotary drilling machine 1, the full rotary drilling machine 1 generates downward pressure and torque during operation, the downward pressure and torque are transmitted to the steel casing, the torque is transmitted to the obstacle, a cutter head on the steel casing moves along with the steel casing and clears the obstacle in the soil body, the bottom of the steel casing reaches a preset elevation, specifically, a first section of steel casing is hoisted through hoisting equipment, the first section of steel casing is installed on the full rotary drilling machine 1, the first section of steel casing is rotated into the soil body through the full rotary drilling machine 1, a second section of steel casing is connected to the first section of steel casing through bolts, the second section of steel casing is pressed into the soil body through the full rotary drilling machine 1, the steel casing is continuously installed, the cutter head on the first section of steel casing moves along with the steel casing and clears the obstacle in the soil body until the bottom of the steel casing reaches the preset elevation, and the obstacle is positioned in the steel casing;
s4: clearing obstacles, namely grabbing out soil bodies on the obstacles through a hydraulic grab bucket when the steel sleeve gradually enters the soil bodies, impacting the obstacles through the hydraulic grab bucket to enable the obstacles to be broken into slag, and grabbing out the slag through the hydraulic grab bucket;
s5: when the depth of removing the barrier in the steel sleeve reaches 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 so as to prevent the pressure-bearing water from rising upwards and causing the subsidence of the surrounding ground surface, and continuously utilizing a hydraulic impact grab bucket to clean the barrier in the steel sleeve until the barrier is removed after the water addition is completed;
s6: backfilling, namely backfilling the cement soil while removing the steel sleeve after all the barriers are removed, and enabling the steel sleeve and the cement soil to keep at least 2 m intersection, wherein the cement soil is filled into the ground at the same time after all the steel sleeve is removed;
s7: after backfilling the cement soil, determining whether soil body reinforcement is needed according to the requirements, and if the soil body needs to be reinforced, performing rotary spraying reinforcement on the backfilled cement soil.
Referring to fig. 2 and 3, the bottoms of two opposite sides of the full rotary drilling machine 1 are fixedly connected with a supporting plate 3, a balancing weight 30 and a mounting assembly are connected to the supporting plate 3, the balancing weight 30 is arranged on the mounting assembly, and handles 4 which are convenient to lift the balancing weight 30 are connected to two opposite sides of the balancing weight 30.
Referring to fig. 4 and 5, the mounting assembly includes a mounting post 5, a placement plate 6, a hinge rod 7, a slip frame 8, a weight-holding block 9, and a limiting plate 10.
Referring to fig. 5 and 6, two mounting columns 5 are provided, the mounting columns 5 are fixedly connected to the supporting plate 3, the mounting columns 5 are provided with moving ports 11, the moving ports 11 are sequentially arranged from top to bottom, the placement plates 6 are hinged to the mounting columns 5, the number of the moving ports 11 on each mounting column 5 is the same as the number of the placement plates 6, at least three placement plates 6 on each mounting column 5 are provided, in this embodiment, three placement plates 6 on each mounting column 5 are provided, and the three placement plates 6 are sequentially called a first placement plate, a second placement plate and a third placement plate from bottom to top; the hinge joint 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 weight is connected in the moving through hole 11.
One end, close to the ground, of the placing plate 6 on the two mounting posts 5, which is far away from each other, is connected with a weight holding block 9, and the weight holding block 9 is positioned on one side, close to the ground, of the placing plate 6; the other ends of the rest placing plates 6 on the two mounting columns 5, which are far away from each other, are connected with hinging rods 7, and the hinging rods 7 are hinged on the side wall of one side of the placing plate 6, which is close to the ground; the one end that places board 6 on two erection columns 5 kept away from each other all connects the slide frame 8, slide frame 8 sets up on placing the lateral wall of board 6 deviating from ground one side, link to each other through articulated lever 7 and slide frame 8 between two adjacent placing boards 6 on the same erection column 5, refer to fig. 5 and 7, the one end that articulated point was kept away from to articulated lever 7 is connected with the post 13 that slides, the articulated lever 13 with slide frame 8 sliding fit on slide frame 8, the length of articulated lever 7 between two placing boards 6 that are close to the ground on the same erection column 5 is less than the length of articulated lever 7 between other two adjacent placing boards 6, in this embodiment, the length of articulated lever 7 on the second placing board is less than the length of articulated lever 7 on the third placing board.
Referring to fig. 5 and 7, the end of the two mounting posts 5 where the placement plates 6 are close to each other is detachably connected to the limiting plates 10 by screws, and the limiting plates 10 are located on both sides of the placement plates 6.
Referring to fig. 5 and 8, before the balancing weight 30 is not installed, the ends of the two installation columns 5, which are close to the ground, of the placing plates 6 are located between the two installation columns 5, the ends of the other installation columns 5, which are close to the placing plates 6, are located in the moving through holes 11, when the balancing weight 30 is installed, the balancing weight 30 is located between the two support columns, and the two ends of the balancing weight 30 are located above the placing plates 6 and are abutted 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 full rotary drilling machine 1 and the installation assembly, an electromagnet block 15 is connected to the vertical plate 14, a positioning iron block 16 is connected to the balancing weight 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, the support plate 3 is connected with a tightening device, which is located at a side of the mounting assembly away from the vertical plate 14, and includes a screw 17, a motor 18, a nut block 19, a tightening plate 20, and a tightening rod 21.
Referring to fig. 3 and 10, the lead screw 17 is rotationally connected on the support plate 3, the motor 18 is arranged on the support plate 3 and is connected with the lead screw 17, the nut block 19 is in threaded connection on the lead screw 17, the nut block 19 is in sliding fit with the support plate 3, the dovetail groove 23 is arranged on the support plate 3, the dovetail block 22 is connected with the nut block 19, the dovetail block 22 is positioned in the dovetail groove 23 and is in sliding fit with the dovetail groove 23, the abutting rod 21 is arranged at one end of the nut block 19 far away from the support plate 3, referring to fig. 9 and 10, one end of the nut block 19 far away from the support plate 3 is provided with the groove 24, the rotating shaft is rotationally connected on the nut block 19 and is positioned in the groove 24, one end of the abutting rod 21 is connected on the rotating shaft, two opposite side walls on the groove 24 are connected with two limiting assemblies, the positions of the limiting assemblies in the vertical direction are higher than the rotating shaft, the limiting assemblies comprise a spring 25 and a limiting pin 26, one end of the spring 25 is connected with the bottom of the limiting groove 27, the other end of the limiting pin 26 is connected with the bottom of the limiting groove 26, and 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, the bottom of the limiting groove 24 is connected with the end of the limiting pin 21, and is positioned at the end of the limiting pin 21, and is in a horizontal abutting state against the balancing weight plate 31, and is far away from the balancing weight 20, and abutting rod 20, referring to the balancing weight 20, and the balancing weight 20 is in a horizontal state, and is in a tight state against the tight state, and tightly abutted against the supporting rod 21, and tightly against the supporting rod 21, and against the supporting rod 21 and against the supporting rod and against the supporting 20. When the abutting rod 21 is in a vertical state, two limiting assemblies on the same side wall of the groove 24 are positioned on two sides of the abutting rod 21 so as to limit the abutting rod 21.
Referring to fig. 2 and 3, the support plate 3 is detachably connected with an additional weight 28, the additional weight 28 is located at two sides of the abutting device, the support plate 3 is provided with a slot 29, and the additional weight 28 is inserted into the slot 29.
The implementation principle of the obstacle clearing construction process of the full rotary drilling machine 1 provided by the embodiment of the application is as follows: before construction, firstly lofting on site, determining the position of an obstacle, then paving a steel plate 2 on the ground, and placing the full rotary drilling machine 1 on the steel plate 2, so that the steel plate 2 is padded on two opposite sides on the bottom of the full rotary drilling machine.
The handle 4 on the balancing weight 30 is connected with a rope, the balancing weight 30 is hoisted by the crane, when the balancing weight 30 is installed, as one ends of the first placing plates on the two mounting columns 5, which are close to each other, are located between the two mounting columns 5, one ends of the rest placing plates 6 on the two mounting columns 5, which are close to each other, are located in the moving through holes 11, the balancing weight 30 is hoisted by the crane, the balancing weight 30 is placed between the two adjacent mounting columns 5, the balancing weight 30 is placed on the first placing plates, the first placing plates and the sliding frame 8 on the first placing plates rotate, the limiting plates 10 limit the two ends of the balancing weight 30, the placing of the first balancing weight 30 is completed, and at the moment, the first placing plates are in a horizontal state in conflict with the cushion blocks 12.
Among the rest of the placement plates 6 left on the two mounting posts 5, because the sliding frame 8 on the first placement plate rotates along with the first placement plate, the sliding post 13 and the hinge rod 7 on the second placement plate rotate along with the second placement plate, the end of the second placement plate passes through the moving through hole 11 and is positioned between the two mounting posts 5, one end of the third placement plate on the two mounting posts 5, which is close to each other, is still positioned in the moving through hole 11, the second balancing weight 30 is placed on the second placement plate with the end positioned between the two mounting posts 5 through the crane, the placement plate 6 for supporting the second balancing weight 30 rotates and becomes a horizontal state, in the rotation process of the second placement plate, the sliding frame 8 on the second placement plate rotates along with the second placement plate, the sliding post 13 and the hinge rod 7 on the third placement plate pass through the moving through hole 11 and are positioned between the two mounting posts 5, and the third balancing weight 30 is placed on the third placement plate with the end positioned between the two mounting posts 5, and is used for supporting the third balancing weight 30 to rotate and becomes a horizontal stacked state.
After the balance weight block 30 is stacked, the electromagnet block 15 is electrified, the positioning iron block 16 on the balance weight block 30 is adsorbed by the electromagnet block 15, the limiting pin 26 is applied with force, the limiting pin 26 is pressed into the limiting groove 27, the abutting rod 21 is rotated, the abutting rod 21 abuts against the supporting block 31 and is in a horizontal state, the motor 18 is started again, the motor 18 drives the screw rod 17 to rotate, the screw rod 17 drives the nut block 19 to move in the rotating process, the nut block 19 drives the abutting rod 21 and the abutting plate 20 to move in the moving process, the abutting plate 20 abuts against the balance weight block 30, the electromagnet block 15 is matched with the abutting plate 20 for use, the stability of the balance weight block 30 after being placed on the placing plate 6 is improved, and the installation of the full rotary drilling machine 1 is completed.
After the full rotary drilling machine 1 is installed, drilling construction is carried out on the steel casing, the steel casing is rotated into the soil body through the full rotary drilling machine 1, downward pressure and torque are generated during operation of the full rotary drilling machine 1 and are transmitted to the steel casing to torque force and then to the obstacles, a cutter head on the steel casing moves along with the steel casing to clear the obstacles in the soil body, the bottom of the steel casing reaches a preset elevation, the obstacles are located in the steel casing, then obstacle clearing work is carried out, firstly, the soil body on the obstacles is grabbed out, then the obstacles are impacted, the obstacles are disintegrated to form broken slag, then the broken slag is grabbed out, when the clearing depth of the obstacles in the steel casing reaches the height of the underground pressure-bearing water level, the cleaning of the obstacles is temporarily stopped, firstly, water is added into the top of the steel casing to prevent the pressure-bearing water from upwards flowing, surrounding ground subsidence is caused, and the obstacles continue to be cleared after the water addition is completed, and the obstacles are cleared until the obstacles are cleared.
After all the barriers are cleared, the steel sleeve is pulled out, and cement soil is backfilled, after all the steel sleeve is pulled out, the cement soil is filled into the ground, whether soil body reinforcement is needed or not is determined according to requirements, and if the soil body needs to be reinforced, the backfilled cement soil is subjected to rotary spraying reinforcement.
In the whole process of removing the barrier, the barrier is always removed in the steel sleeve, the soil around the barrier is not easy to damage, and when the barrier is removed, the construction is more convenient at the position of the barrier, so that convenience is brought to the subsequent construction of staff.
When the full rotary drilling machine 1 needs to be moved, the balance weight 30 is dismounted, when the balance weight 30 is dismounted, the motor 18 is started firstly, the nut block 19 drives the abutting plate 20 to move towards the direction away from the balance weight 30 until the distance between the abutting plate 20 and the balance weight 30 is enough to enable the abutting plate 20 and the abutting rod 21 to smoothly rotate, then the limiting pin 26 is pressed into the limiting groove 27, the abutting rod 21 is rotated to be in a vertical state, the force applied to the limiting pin 26 is relieved, the limiting pin 26 pops out of the limiting groove 27 and is positioned on two sides of the abutting rod 21, so that the abutting rod 21 in the vertical state is limited, the electromagnet block 15 is powered off again, the positioning iron block 16 is not adsorbed by the electromagnet block 15, the limiting plate 10 close to the nut block 19 is dismounted from the placing plate 6, the limit of the balance weight 30 is relieved, and the balance weight 30 is removed from the placing plate 6 through the handle 4.
After the balance weight block 30 is disassembled, the additional weight block 28 is taken out from the slot 29, and the purpose of disassembling the additional weight block 28 is achieved, so that the movement of the full rotary drilling machine 1 is facilitated.
Claims (7)
1. The obstacle clearing construction process of the full rotary drilling machine is characterized by comprising the following steps of: the method comprises the following steps:
s1: setting out on site, and determining the position of an obstacle;
s2: the full rotary drilling machine (1) is installed;
s3: the steel casing drilling construction is carried out, the steel casing is rotated into soil through the full rotary drilling machine (1), the full rotary drilling machine (1) generates downward pressure and torque when in operation, the downward pressure and torque are transmitted to the steel casing, the torque is transmitted to the obstacle, a cutter head on the steel casing moves along with the steel casing and clears the obstacle in the soil, the bottom of the steel casing reaches a preset elevation, and the obstacle is positioned in the steel casing;
s4: clearing obstacles, namely grabbing out soil bodies on the obstacles through a hydraulic grab bucket when the steel sleeve gradually enters the soil bodies, impacting the obstacles through the hydraulic grab bucket to enable the obstacles to be broken into slag, and grabbing out the slag through the hydraulic grab bucket;
s5: when the obstacle clearing depth in the steel sleeve reaches the underground pressure-bearing water level, temporarily stopping excavating the obstacle, firstly adding water into the steel sleeve to the top of the steel sleeve so as to prevent the pressure-bearing water from rising upwards to cause surrounding ground surface subsidence, and continuously clearing the obstacle in the steel sleeve by using the hydraulic impact grab after the water addition is finished until the obstacle is cleared;
s6: backfilling, namely backfilling cement soil while removing the steel sleeve after all the barriers are removed, and enabling the steel sleeve and the cement soil to keep at least 2 m intersection, wherein the cement soil is filled into the ground at the same time after all the steel sleeve is removed;
s7: after backfilling cement soil, determining whether soil body reinforcement is needed according to requirements, if the soil body needs to be reinforced, carrying out rotary spraying reinforcement on the backfilled cement soil, in the step S2, firstly paving steel plates (2) on the ground when the full rotary drilling machine (1) is installed, then placing the full rotary drilling machine (1), enabling the steel plates (2) to be padded on two opposite sides on the bottom of the full rotary drilling machine (1), arranging supporting plates (3) on two opposite sides on the full rotary drilling machine (1), arranging balancing weights (30) on the supporting plates (3), arranging installation components on the supporting plates (3), arranging the balancing weights (30) on the installation components, wherein the installation components comprise installation columns (5), placing plates (6), hinging rods (7), sliding frames (8), weight holding blocks (9) and limiting plates (10), the installation columns (5) are arranged into two, the installation columns (5) are arranged on the supporting plates (3), moving through holes (11) are arranged on the installation columns (5), the installation columns (6) are arranged on one end (6) close to each other, and each installation column (6) is arranged on one end (6), the weight-bearing block (9) is positioned on one side of the placing plate (6) close to the ground; the other ends, far away from each other, of the placing plates (6) on the two mounting columns (5) are connected with the hinging rods (7), and the hinging rods (7) are hinged on the side wall of one side, close to the ground, of the placing plates (6); the two placing plates (6) on the mounting columns (5) are connected with the sliding frame (8) at the ends far away from each other, the sliding frame (8) is arranged on the side wall of one side, away from the ground, of the placing plates (6), two adjacent placing plates (6) on the same mounting column (5) are connected with the sliding frame (8) through the hinging rods (7), one end, far away from a hinging point, of each hinging 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 hinging rod (7) between two placing plates (6), close to the ground, on the same mounting column (5) is smaller than the length of the hinging rod (7) between the other two adjacent placing plates (6), one ends, close to each other, of the placing plates (6) on the two mounting columns (5) are detachably connected with the limiting plates (10), and the limiting plates (10) are located on two sides of the placing plates (6); before the balancing weight (30) is not installed, two ends, close to the ground, of the placing plates (6) on the mounting columns (5) are located between the two mounting columns (5), the other ends, close to the placing plates (6), on the mounting columns (5) are located in the movable through holes (11), when the balancing weight (30) is installed, the balancing weight (30) is located between the two mounting columns (5), and two ends of the balancing weight (30) are located above the placing plates (6) and are abutted to the placing plates (6).
2. The obstacle clearing construction process of the full rotary drilling machine, according to claim 1, is characterized in that: the hinge joint of the placing plate (6) and the mounting column (5) is positioned in the moving through hole (11), and a cushion block (12) used for keeping the placing plate (6) horizontal when bearing is arranged in the moving through hole (11).
3. The obstacle clearing construction process of the full rotary drilling machine, according to claim 2, is characterized in that: be equipped with vertical board (14) on backup pad (3), be equipped with electromagnet block (15) on vertical board (14), be equipped with location iron block (16) on balancing weight (30), when electromagnet block (15) circular telegram, location iron block (16) are adsorbed by electromagnet block (15).
4. The obstacle clearing construction process of the full rotary drilling machine, according to claim 3, is characterized in that: the support plate (3) is provided with a tight device, the tight device is located one side of the vertical plate (14) is far away from by the installation component, the tight device comprises a screw rod (17), a motor (18), a nut block (19), a tight plate (20) and a tight rod (21), the screw rod (17) is rotationally connected to the support plate (3), the motor (18) is arranged on the support plate (3) and is in linkage with the screw rod (17), the nut block (19) is in threaded connection to the screw rod (17), the nut block (19) is in sliding fit with the support plate (3), the tight rod (21) is arranged on the nut block (19), and the tight plate (20) is arranged on the tight rod (21) and is tightly abutted to the balancing weight (30).
5. The obstacle clearing construction process of the full rotary drilling machine, according to claim 4, is characterized in that: the nut piece (19) is kept away from one end of backup pad (3) is equipped with recess (24), it is connected with the pivot to rotate on nut piece (19), the pivot is located in recess (24), support tight pole (21) and set up in the pivot, all be equipped with two spacing subassemblies on two opposite lateral walls on recess (24), spacing subassembly includes spring (25) and spacer pin (26), be equipped with spacing groove (27) on recess (24) lateral wall, connect one end of spring (25) spacing groove (27) bottom, the other end is connected spacer pin (26), when spring (25) are in nature, one end that spacer pin (26) was kept away from spring (25) is located spacing groove (27) outside, when support tight pole (21) are in vertical state, two on same lateral wall on recess (24) spacing subassembly is located support the both sides of tight pole (21).
6. The obstacle clearing construction process of the full rotary drilling machine, according to claim 5, is characterized in that: the bottom of the groove (24) is provided with a supporting block (31) for enabling the abutting rod (21) to be in a horizontal state.
7. The obstacle clearing construction process of the full rotary drilling machine, according to claim 4, is characterized in that: the support plate (3) is connected with an additional balancing weight (28), and the additional balancing weight (28) is positioned on two sides of the abutting device.
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| CN101761083A (en) * | 2008-12-24 | 2010-06-30 | 上海市基础工程公司 | Underground continuous wall obstacle clearing construction method for traversing ultra-thick obstacle |
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