Adjustable pre-drilling equipment for reinforcing liquefied sand foundation before pipe burying
Technical Field
The invention relates to the field of land treatment, in particular to adjustable pre-drilling equipment for reinforcing a liquefied sand foundation before pipe burying.
Background
The method for reinforcing the liquefied sand foundation is characterized in that a plurality of liquid inlet pipes and drainage pipes are embedded in the liquefied sand foundation, a booster pump is connected to the liquid inlet pipes, a vacuum pump is connected to the drainage pipes, reinforcing liquid is added into the sand foundation through pressure difference, water in the sand foundation is discharged through the drainage pipes through pressure difference, and therefore reinforcing effect is achieved.
Therefore, the automatic drilling equipment is provided at present, when improving drilling efficiency, can consolidate drilling inner wall in real time in drilling process, prevent that the drilling from collapsing to when drilling is accomplished, take out the drill bit, can collect the sand that drops a small amount, prevent that it from dropping to the drilling bottom, and then ensure drilling depth, realize pre-buried degree of depth up to standard.
Disclosure of Invention
In order to overcome the prior art when drilling, because sand intensity is insufficient, when drilling, the drilling is collapsed easily, make workman work efficiency extremely low, and after drilling is accomplished, the problem that the sand of drilling inner wall very easily takes place to drop, namely fall to the drilling bottom automatically, lead to drilling degree of depth insufficient, and then lead to the pre-buried degree of depth of embedded pipe to not reach the requirement, when making later stage solidification administer, greatly reduced treatment effect, not only wasted the solidification liquid raw materials, and the treatment cycle of liquid influence, waste a large amount of manpower and materials, and then improved the shortcoming of treatment cost, the technical problem of the invention is: an adjustable pre-drilling device for reinforcing a liquefied sand foundation before pipe burying is provided.
The technical implementation scheme of the invention is as follows: an adjustable pre-drilling device for reinforcing a liquefied sandy foundation before pipe burying comprises a handle, a protection frame, a control screen, a first wheel, a second wheel, a third wheel, a fourth wheel, a simulation drill bit, an anti-collapse and adjusting unit and an anti-dropping unit; the handle is fixedly connected with the protective frame; the handle is fixedly connected with the control screen; the four corners at the bottom of the protection frame are provided with a first wheel, a second wheel, a third wheel and a fourth wheel; the anti-collapse and adjusting unit which can prevent the borehole from collapsing and adjust the size of the borehole according to the requirement is arranged in the protective frame; the collapse prevention and adjustment unit is provided with an anti-falling unit which can prevent sand from falling to the bottom of the drill hole; the collapse prevention and adjustment unit is sleeved with an analog drill bit.
More preferably, the device further comprises a fixing unit, wherein the fixing unit comprises a trapezoid fixing block, a first electric push rod, a second electric push rod and a fixing plate; the upper surface of the trapezoid fixed block is fixedly connected with the first electric push rod and the second electric push rod at the same time; the first electric push rod and the second electric push rod are fixedly connected with the fixed plate; the fixed plate is fixedly connected with the protective frame; the trapezoid fixing block, the first electric push rod, the second electric push rod and the fixing plate are symmetrically arranged on two sides of the bottom of the protection frame respectively.
More preferably, the collapse preventing and adjusting unit comprises a motor, a first spline shaft, a first driving wheel, a first sliding sleeve, a first connecting plate, a first bevel gear, a third electric push rod, a second bevel gear, a driving shaft, a gear assisting, a flat gear, a connecting rod, a second driving wheel, a second spline shaft, a second sliding sleeve, a third bevel gear, a second connecting plate, a fourth electric push rod, a fourth bevel gear, a screw rod, a third supporting plate, a polished rod, a fifth electric push rod, a connecting disc, an electric sliding block, a baffle plate, a first connecting column, a second connecting column, a U-shaped block, a third connecting column, a compacting roller, a first fixed block, a first connecting frame, a second connecting frame, a first L-shaped supporting plate and a second L-shaped supporting plate; the motor is fixedly connected with the first spline shaft through an output shaft; the motor is fixedly connected with the first fixed block; the first spline shaft is fixedly connected with a first driving wheel; the first spline shaft is in sliding connection with the first sliding sleeve; the first spline shaft is rotationally connected with the first sliding sleeve; the first spline shaft is rotationally connected with the first connecting frame; the outer ring surface of the first driving wheel is in driving connection with the second driving wheel through a belt; the first sliding sleeve is rotationally connected with the first connecting plate; the first sliding sleeve is fixedly connected with the first bevel gear; the first connecting plate is fixedly connected with the third electric push rod; the third electric push rod is fixedly connected with the first connecting frame; the side surface of the first bevel gear is provided with a second bevel gear; The second bevel gear is fixedly connected with the transmission shaft; the transmission shaft is fixedly connected with the auxiliary gear; the transmission shaft is rotationally connected with the first connecting frame; the auxiliary gear is meshed with the flat gear; the flat gear is fixedly connected with the connecting rod; the connecting rod is rotationally connected with the anti-drop unit; the bottom end of the connecting rod is sleeved with the simulated drill bit; the connecting rod is rotationally connected with the third supporting plate; the second driving wheel is fixedly connected with a second spline shaft; the second spline shaft is in sliding connection with the second sliding sleeve; the second spline shaft is rotationally connected with the second sliding sleeve; the second spline shaft is rotationally connected with the second connecting frame; the second sliding sleeve is fixedly connected with a third bevel gear; the second sliding sleeve is rotationally connected with the second connecting plate; The second connecting plate is fixedly connected with the fourth electric push rod; the fourth electric push rod is fixedly connected with the second connecting frame; a fourth bevel gear is arranged on the side surface of the third bevel gear; the fourth bevel gear is fixedly connected with the screw rod; the screw rod is rotationally connected with the protective frame; the screw rod is screwed with the third supporting plate; the screw rod is rotationally connected with the first L-shaped supporting plate; the third supporting plate is fixedly connected with the anti-falling unit; the third supporting plate is in sliding connection with the polished rod; the lower surface of the third supporting plate is fixedly connected with two groups of fifth electric push rods at the same time; the polished rod is fixedly connected with the protection frame; the polished rod is fixedly connected with the second L-shaped supporting plate; the two groups of fifth electric push rods are fixedly connected with the connecting disc; Three groups of annular array electric sliding blocks are arranged on the lower surface of the connecting disc; the three groups of electric sliding blocks are fixedly connected with one group of partition boards respectively; the partition board is fixedly connected with the anti-falling unit; the partition board is simultaneously connected with the first connecting column and the second connecting column in a rotating way through the connecting blocks; the first connecting column and the second connecting column are rotationally connected with the U-shaped block; the U-shaped block is fixedly connected with the third connecting column; the third connecting column is rotationally connected with the compaction roller; the first connecting column, the second connecting column, the U-shaped block, the third connecting column and the compacting roller are arranged in a plurality of groups from bottom to top on the partition board; the three groups of partition boards are provided with a plurality of groups of first connecting columns, second connecting columns, U-shaped blocks, third connecting columns and compaction rollers from bottom to top; The first fixed block is fixedly connected with the protection frame; the first connecting frame is fixedly connected with the protection frame; the second connecting frame is fixedly connected with the protection frame; the first L-shaped supporting plate is fixedly connected with the protective frame; the second L-shaped supporting plate is fixedly connected with the protection frame.
More preferably, the anti-falling unit comprises a third connecting frame, a limiting ring, a limiting plate, a sixth electric push rod, a first connecting block, a third connecting plate, a limiting block, a collector, a second connecting block and a fourth connecting column; the third connecting frame is fixedly connected with the third supporting plate; the third connecting frame is rotationally connected with the connecting rod; the third connecting frame is fixedly connected with the limiting plate; the limiting plate is in sliding connection with the limiting circular ring; the limiting plate is contacted with the sixth electric push rod; the limiting ring is fixedly connected with the sixth electric push rod; the sixth electric push rod is fixedly connected with the first connecting block; the first connecting block is fixedly connected with the third connecting plate; the third connecting plate is fixedly connected with the limiting block; the limiting block is contacted with the collector; the collector is fixedly connected with the second connecting block; the second connecting block is rotationally connected with the fourth connecting column; the fourth connecting column is fixedly connected with the partition board through a connecting block; the limit circular ring to the fourth connecting column are in a common annular array with the center point of the third connecting frame as a base point, and three groups are arranged.
More preferably, grooves are formed in the bottom ends of the three groups of partition boards.
More preferably, the first connecting column, the second connecting column, the U-shaped block, the third connecting column and the compacting roller are arranged in a step shape on the partition plate from bottom to top.
More preferably, torsion springs are arranged between the first connecting column and the U-shaped block and between the second connecting column and the U-shaped block.
More preferably, the collector is provided as a fish scale.
More preferably, a torsion spring is provided between the second connection block and the fourth connection column, and the initial state is a torsion state.
The beneficial effects of the invention are as follows: (1) In order to overcome prior art when drilling, because sand intensity is insufficient, when drilling, the drilling takes place to collapse easily for workman work efficiency is extremely low, moreover after drilling is accomplished, the problem that the sand of drilling inner wall took place to drop very easily, automatic whereabouts to the drilling bottom promptly, lead to drilling degree of depth insufficient, and then lead to the pre-buried degree of depth of embedded pipe to not reach the requirement, when making later stage solidification administer, greatly reduced treatment effect, not only wasted the curing liquid raw materials, the treatment cycle of liquid influence moreover, waste a large amount of manpower and materials, and then improved the shortcoming of treatment cost.
(2) The invention designs the fixing unit, the collapse preventing and adjusting unit and the anti-falling unit; before the preparation work, the manual work is through pushing equipment to the point position that needs to bore, then external power supply, start equipment through the control screen, according to the size of drilling hole, collapse prevention and adjustment unit are adjusted, make collapse prevention and adjustment unit adaptation drilling hole size, then through the manual work with the simulation drill bit of suitable size cup joint on collapse prevention and adjustment unit, then fixed unit begins work, the fixed unit is fixed equipment on ground completely, prevent equipment during operation, take place violent shake, then collapse prevention and adjustment unit continue work, collapse prevention and adjustment unit make the simulation drill bit open the time point position that needs to bore hole, when drilling, collapse prevention and adjustment unit can be with drilling inner wall compaction, prevent that it from taking place to collapse prevention and adjustment unit drive anti-drop unit work, after drilling is accomplished, collapse prevention and adjustment unit will simulate the drill bit and take out from the drilling hole, when taking out, there is a little sand soil to drop to the drilling bottom, but the drilling depth is the certain requirement, consequently, collect the sand soil that will drop through anti-drop unit, prevent it to drop to the drilling bottom, and then guarantee the drilling depth, when the simulation drill bit is completely from inserting in the manual work, the wheel is removed from the wheel, the wheel is fully through the control frame, the wheel is removed, the wheel is damaged in the wheel is protected, the wheel is in the process is protected, the wheel is well, the wheel is protected, and the wheel is well is protected.
(3) The invention can adapt to drilling holes with various sizes, effectively improves the drilling efficiency while automatically drilling holes, compacts and reinforces the inner wall of the drilling holes in real time in the drilling process to prevent the drilling holes from collapsing, and can collect a small amount of falling sand when the drill bit is pulled out after the drilling holes are completed to prevent the falling sand from the bottom of the drilling holes, thereby ensuring the drilling depth and realizing the effect that the embedded depth reaches the standard.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a partial perspective structure of the present invention;
FIG. 3 is a partial structural elevation view of the present invention;
FIG. 4 is a schematic perspective view of a fixing unit according to the present invention;
FIG. 5 is a front view of the fixing unit of the present invention;
FIG. 6 is a schematic perspective view of the collapse prevention and adjustment unit of the present invention;
FIG. 7 is a front view of a portion of the construction of the collapse prevention and adjustment unit of the present invention;
FIG. 8 is a schematic perspective view of a first portion of the collapse prevention and adjustment unit of the present invention;
FIG. 9 is a schematic perspective view of a second portion of the collapse prevention and adjustment unit of the present invention;
FIG. 10 is a schematic perspective view of a third portion of the collapse prevention and adjustment unit of the present invention;
FIG. 11 is a schematic perspective view of a fourth part of the collapse prevention and adjustment unit of the present invention;
fig. 12 is a schematic perspective view of an anti-drop unit according to the present invention;
FIG. 13 is a schematic perspective view of a first portion of the anti-drop unit according to the present invention;
FIG. 14 is a schematic perspective view of a second part of the anti-drop unit according to the present invention;
FIG. 15 is a schematic perspective view of a third portion of the anti-drop unit according to the present invention;
Fig. 16 is a partial structural front view of the drop prevention unit of the present invention.
Wherein the above figures include the following reference numerals: 1. a handle, 2, a protection frame, 3, a screen, 4, a first wheel, 5, a second wheel, 6, a third wheel, 7, a fourth wheel, 8, a simulation drill bit, 201, a trapezoid fixed block, 202, a first electric push rod, 203, a second electric push rod, 204, a fixed plate, 301, a motor, 302, a first bevel gear, 307, a third electric push rod, 308, a second bevel gear, 309, a transmission shaft, 3010, a booster gear, 3011, a flat gear, 3012, a connection rod, 3013, a second transmission wheel, 3014, a second spline shaft, 3015, a second sliding sleeve, 3016, a third bevel gear, 3017, a second connection plate, 3018, a fourth electric push rod, 3019, fourth bevel gears 3020, lead screws 3021, third support plates 3022, polish rods, 3023, fifth electric pushers 3024, connection disks 3025, electric sliders 3026, partition plates 3027, first connection columns 3028, second connection columns 3029, U-shaped blocks 3030, third connection columns 3031, compaction rollers 3032, first fixing blocks 3033, first connection frames 3034, second connection frames 3035, first L-shaped support plates 3036, second L-shaped support plates 401, third connection frames 402, limit rings 403, limit plates 404, sixth electric pushers 405, first connection blocks 406, third connection plates 407, limit blocks 408, collectors 409, second connection blocks 4010, fourth connection columns.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Examples
An adjustable pre-drilling device for reinforcing a liquefied sandy foundation before pipe burying is shown in fig. 1-3, and comprises a handle 1, a protection frame 2, a control screen 3, a first wheel 4, a second wheel 5, a third wheel 6, a fourth wheel 7, a simulated drill bit 8, an anti-collapse and adjusting unit and an anti-drop unit; the handle 1 is fixedly connected with the protection frame 2; the handle 1 is fixedly connected with the control screen 3; the four corners at the bottom of the protective frame 2 are provided with a first wheel 4, a second wheel 5, a third wheel 6 and a fourth wheel 7; a collapse prevention and adjustment unit capable of preventing the collapse of the drill hole and adjusting the size of the drill hole according to the requirement is arranged in the protective frame 2; the collapse prevention and adjustment unit is provided with an anti-falling unit which can prevent sand from falling to the bottom of the drill hole; the collapse prevention and adjustment unit is sleeved with a simulated drill bit 8.
Working principle: before preparation, the equipment is manually pushed to the point position needing to be drilled, then an external power supply is used, the equipment is started through the control screen 3, the collapse prevention and adjustment unit adjusts according to the size of the needed drilling hole, so that the collapse prevention and adjustment unit adapts to the size of the drilling hole, then a simulation drill bit 8 with a proper size is manually sleeved on the collapse prevention and adjustment unit, then the fixing unit starts to work, the equipment is completely fixed on the ground by the fixing unit, severe shaking is prevented when the equipment works, then the collapse prevention and adjustment unit continues to work, the collapse prevention and adjustment unit enables the point position needing to be drilled when the simulation drill bit 8 is started, the collapse prevention and adjustment unit can compact the inner wall of the drilling hole to prevent the collapse of the drilling hole while drilling the drilling hole, the collapse prevention and adjustment unit drives the anti-falling unit to work, when the drilling is completed, the collapse prevention and adjustment unit brings out the simulated drill bit 8 from the drilling, and when the simulated drill bit is brought out, a little sand falls to the bottom of the drilling, but the drilling depth is required, so that the falling sand is collected through the anti-falling unit, the falling sand is prevented from falling to the bottom of the drilling, the drilling depth is further ensured, after the simulated drill bit 8 completely goes out of the drilling, an embedded pipe is manually inserted into the drilling, and the handle 1, the protection frame 2, the control screen 3, the first wheel 4, the second wheel 5, the third wheel 6 and the fourth wheel 7 play a role in transferring equipment, and in the whole drilling process, the protection frame 2 can prevent constructors from being injured; the invention can adapt to drilling holes with various sizes, effectively improves the drilling efficiency while automatically drilling holes, compacts and reinforces the inner wall of the drilling holes in real time in the drilling process to prevent the drilling holes from collapsing, and can collect a small amount of falling sand when the drill bit is pulled out after the drilling holes are completed, so that the falling sand is prevented from falling to the bottom of the drilling holes, the drilling hole depth is further ensured, and the effect that the embedded depth reaches the standard is realized.
As shown in fig. 4-5, the fixing unit further comprises a trapezoid fixing block 201, a first electric push rod 202, a second electric push rod 203 and a fixing plate 204; the upper surface of the trapezoid fixed block 201 is fixedly connected with the first electric push rod 202 and the second electric push rod 203 at the same time; the first electric push rod 202 and the second electric push rod 203 are fixedly connected with the fixed plate 204; the fixed plate 204 is fixedly connected with the protection frame 2; the trapezoid fixing block 201, the first electric push rod 202, the second electric push rod 203 and the fixing plate 204 are symmetrically arranged on two sides of the bottom of the protection frame 2 respectively.
Before preparation, the equipment is manually pushed to a point position needing drilling, then an external power supply is connected, the equipment is started through the control screen 3, the collapse prevention and adjustment unit is adjusted according to the size of the drilling hole, the collapse prevention and adjustment unit is adapted to the size of the drilling hole, then a simulation drill bit 8 with a proper size is manually sleeved on the connecting rod 3012, the simulation drill bit 8 is just above the drilling hole point position, then two groups of first electric push rods 202 and second electric push rods 203 start to work, the two groups of first electric push rods 202 and the second electric push rods 203 simultaneously drive the two groups of trapezoid fixing blocks 201 to move downwards, the two groups of trapezoid fixing blocks 201 are in contact with the ground, proper thrust exists between the two groups of trapezoid fixing blocks 201 and the ground, so that the equipment is completely fixed on the ground, severe shaking cannot occur when the equipment works, and the two groups of fixing plates 204 play a fixing role in fixing the two groups of first electric push rods 202 and the second electric push rods 203; the unit performs the task of fixing the device.
As shown in fig. 6 to 11, the collapse prevention and adjustment unit includes a motor 301, a first spline shaft 302, a first driving wheel 303, a first sliding sleeve 304, a first connection plate 305, a first bevel gear 306, a third electric push rod 307, a second bevel gear 308, a driving shaft 309, a pinion 3010, a flat gear 3011, a connection rod 3012, a second driving wheel 3013, a second spline shaft 3014, a second sliding sleeve 3015, a third bevel gear 3016, a second connection plate 3017, a fourth electric push rod 3018, a fourth bevel gear 3019, a screw rod 3020, a third support plate 3021, a second support plate, A polish rod 3022, a fifth electric push rod 3023, a connection disc 3024, an electric slider 3025, a partition 3026, a first connection post 3027, a second connection post 3028, a U-shaped block 3029, a third connection post 3030, a compacting roller 3031, a first fixed block 3032, a first connection bracket 3033, a second connection bracket 3034, a first L-shaped support plate 3035, and a second L-shaped support plate 3036; The motor 301 is fixedly connected with the first spline shaft 302 through an output shaft; the motor 301 is fixedly connected with the first fixed block 3032; the first spline shaft 302 is fixedly connected with a first driving wheel 303; the first spline shaft 302 is in sliding connection with the first sliding sleeve 304; the first spline shaft 302 is rotationally connected with the first sliding sleeve 304; the first spline shaft 302 is rotatably connected to the first connecting bracket 3033; the outer annular surface of the first transmission wheel 303 is in transmission connection with the second transmission wheel 3013 through a belt; the first sliding sleeve 304 is rotatably connected with the first connecting plate 305; the first sliding sleeve 304 is fixedly connected with the first bevel gear 306; The first connecting plate 305 is fixedly connected with the third electric push rod 307; the third electric push rod 307 is fixedly connected with the first connecting frame 3033; a second bevel gear 308 is arranged on the side surface of the first bevel gear 306; the second bevel gear 308 is fixedly connected with a transmission shaft 309; the transmission shaft 309 is fixedly connected with the auxiliary gear 3010; the transmission shaft 309 is rotatably connected to the first connecting frame 3033; the auxiliary gear 3010 is meshed with the flat gear 3011; the flat gear 3011 is fixedly connected with the connecting rod 3012; the connecting rod 3012 is rotationally connected with the anti-drop unit; the bottom end of the connecting rod 3012 is sleeved with the simulated drill bit 8; The connecting rod 3012 is rotatably connected to the third support plate 3021; the second transmission wheel 3013 is fixedly connected with a second spline shaft 3014; the second spline shaft 3014 is slidably connected to the second sliding sleeve 3015; the second spline shaft 3014 is rotationally connected with a second sliding sleeve 3015; the second spline shaft 3014 is rotatably connected to the second connecting frame 3034; the second sliding sleeve 3015 is fixedly connected with a third bevel gear 3016; the second sliding sleeve 3015 is rotationally connected with a second connecting plate 3017; the second connecting plate 3017 is fixedly connected with the fourth electric push rod 3018; the fourth electric push rod 3018 is fixedly connected to the second connecting frame 3034; A fourth bevel gear 3019 is arranged on the side surface of the third bevel gear 3016; the fourth bevel gear 3019 is fixedly connected with the screw rod 3020; the screw rod 3020 is rotatably connected with the protection frame 2; the screw rod 3020 is screwed with the third support plate 3021; the screw rod 3020 is rotatably connected with the first L-shaped support plate 3035; the third support plate 3021 is fixedly connected with the anti-falling unit; the third support plate 3021 is slidably connected to the polish rod 3022; the lower surface of the third supporting plate 3021 is fixedly connected with two groups of fifth electric push rods 3023 at the same time; the polish rod 3022 is fixedly connected with the protection frame 2; the polish rod 3022 is fixedly connected with the second L-shaped supporting plate 3036; Two groups of fifth electric push rods 3023 are fixedly connected with the connecting disc 3024; three groups of annular array electric sliding blocks 3025 are arranged on the lower surface of the connecting disc 3024; three groups of electric sliding blocks 3025 are fixedly connected with one group of partition boards 3026 respectively; the partition 3026 is fixedly connected with the anti-falling unit; the partition 3026 is connected with the first connection post 3027 and the second connection post 3028 in a rotating manner through a connection block; the first connection post 3027 and the second connection post 3028 are both rotatably connected to the U-shaped block 3029; the U-shaped block 3029 is fixedly connected with the third connection column 3030; the third connecting post 3030 is rotatably connected to the compaction roller 3031; The first connection post 3027, the second connection post 3028, the U-shaped block 3029, the third connection post 3030, and the compacting roller 3031 are provided with a plurality of groups in total from bottom to top on the partition 3026; the three groups of partition boards 3026 are provided with a plurality of groups of first connecting columns 3027, second connecting columns 3028, U-shaped blocks 3029, third connecting columns 3030 and compacting rollers 3031 from bottom to top; the first fixed block 3032 is fixedly connected with the protection frame 2; the first connecting frame 3033 is fixedly connected with the protection frame 2; the second connecting frame 3034 is fixedly connected with the protection frame 2; the first L-shaped supporting plate 3035 is fixedly connected with the protection frame 2; The second L-shaped support plate 3036 is fixedly coupled to the protective frame 2.
According to the size of the drilling hole, the three groups of electric sliding blocks 3025 simultaneously drive the three groups of partition boards 3026 to expand outwards, so that the circle surrounded by the three groups of partition boards 3026 is larger than the drilling hole size, then a simulation drill bit 8 with the corresponding size is sheathed on the connecting rod 3012 manually, then the motor 301 starts to work, the motor 301 drives the first spline shaft 302 to rotate through the output shaft, the fourth electric push rod 3018 drives the second connecting plate 3017 to move towards the fourth bevel gear 3019, namely drives the second sliding sleeve 3015 and the third bevel gear 3016 to move towards the fourth bevel gear 3019, so that the third bevel gear 3016 is meshed with the fourth bevel gear 3019, Then the first spline shaft 302 drives the first driving wheel 303 to rotate, the first driving wheel 303 drives the second driving wheel 3013 to rotate, the second driving wheel 3013 drives the third bevel gear 3016 through the second sliding sleeve 3015, the third bevel gear 3016 drives the fourth bevel gear 3019 to rotate, the fourth bevel gear 3019 drives the screw rod 3020 to rotate, the screw rod 3020 drives the third supporting plate 3021 to slide downwards on the polish rod 3022, namely, the anti-dropping unit, the connecting rod 3012 and the two groups of fifth electric push rods 3023 are driven to move downwards through the third supporting plate 3021, namely, the flat gear 3011 and the simulation drill bit 8 are driven to move downwards through the connecting rod 3012, While the two sets of fifth electric pushing rods 3023 drive the connecting disc 3024, the three sets of electric sliding blocks 3025, the three sets of partition boards 3026 and the multiple sets of first connecting columns 3027 to the compacting roller 3031 to move downward, at the same time, the third electric pushing rods 307 drive the first connecting plate 305 to move close to the second bevel gear 308, that is, drive the first sliding sleeve 304 and the first bevel gear 306 to move close to the second bevel gear 308, so that the first bevel gear 306 is meshed with the second bevel gear 308, then the first spline shaft 302 drives the first bevel gear 306 through the first sliding sleeve 304, the first bevel gear 306 drives the transmission shaft 309 through the second bevel gear 308, the transmission shaft 309 drives the flat gear 3011 through the auxiliary gear 3010, the auxiliary gear 3010 rotates the connecting rod 3012, and the connecting rod 3012 drives the analog drill bit 8 to rotate, so that the analog drill bit 8 can drill a point while descending on one side, because the strength of the sand foundation itself is insufficient, when the three groups of partition boards 3026 enter the drill hole, the diameter of the drill hole can be slightly increased, when the U-shaped block 3029 at the lowest of the three groups of partition boards 3026 contacts the drill hole, the U-shaped block 3029 rotates around the first connecting column 3027 and the second connecting column 3028 under the extrusion of the drill hole, so that the U-shaped block 3029 contacts the outer surface of the partition boards 3026, At this time, the compacting roller 3031 contacts with the inner wall of the round hole, and as torsion springs are arranged between the first connection post 3027 and the second connection post 3028 and the U-shaped block 3029, the compacting roller 3031 has a certain pressure on the inner wall of the round hole by the resilience force of the torsion springs, so that when the compacting roller 3031 continuously moves downwards, the compacting roller 3031 rotates around the third connection post 3030 by the pressure of the inner wall of the round hole on the compacting roller 3031, and when the compacting roller rotates, the compacting work is realized on the inner wall of the round hole by the resilience force of the torsion springs, and other groups of the first connection post 3027, the second connection post 3028, The U-shaped block 3029, the third connection post 3030 and the compaction roller 3031 also complete the above-mentioned work, thereby playing a compaction effect on the inner wall of the drill hole and preventing the drill hole from collapsing, when the depth of the drill hole reaches the requirement, the third electric push rod 307 causes the first bevel gear 306 to be disconnected from the second bevel gear 308, then the motor 301 is reversed, so that the screw rod 3020 is reversed, the third support plate 3021 and other components are driven to move upwards by the screw rod 3020, that is, the simulation drill bit 8 is driven to move upwards, so that the simulation drill bit 8 is slowly separated from the drill hole, at the same time, the two groups of fifth electric push rods 3023 drive the connection disc 3024 to move downwards, The downward moving speed of the connecting disc 3024 is larger than the upward moving speed of the third supporting plate 3021, so that the three groups of partition boards 3026 and the anti-falling unit penetrate into the drill hole more deeply until the three groups of collectors 408 move below the simulated drill bit 8, then the two groups of fifth electric push rods 3023 stop working, and then a small amount of falling sand is collected through the anti-falling unit so as to prevent the sand from falling to the bottom of the drill hole, thereby affecting the depth of the drill hole, and in the whole operation process, the first fixing block 3032, the first connecting frame 3033, the second connecting frame 3034, the first L-shaped supporting plate 3035 and the second L-shaped supporting plate 3036 ensure that the equipment operates stably; the unit accomplishes the task of preventing borehole collapse and accommodating boreholes of various sizes.
As shown in fig. 12 to 16, the anti-falling unit includes a third connecting frame 401, a limiting ring 402, a limiting plate 403, a sixth electric push rod 404, a first connecting block 405, a third connecting plate 406, a limiting block 407, a collector 408, a second connecting block 409 and a fourth connecting column 4010; the third connecting frame 401 is fixedly connected with the third supporting plate 3021; the third connecting frame 401 is rotatably connected with the connecting rod 3012; the third connecting frame 401 is fixedly connected with the limiting plate 403; the limiting plate 403 is in sliding connection with the limiting ring 402; the limiting plate 403 is contacted with the sixth electric push rod 404; the limiting ring 402 is fixedly connected with the sixth electric push rod 404; the sixth electric push rod 404 is fixedly connected with the first connecting block 405; the first connecting block 405 is fixedly connected with the third connecting plate 406; the third connecting plate 406 is fixedly connected with a limiting block 407; the limiting block 407 is in contact with the collector 408; the collector 408 is fixedly connected with a second connecting block 409; the second connection block 409 is rotatably connected with the fourth connection column 4010; the fourth connecting column 4010 is fixedly connected with the partition 3026 through a connecting block; the limit rings 402 to the fourth connecting columns 4010 are arranged in a total of three groups in a ring array with the center point of the third connecting frame 401 as the base point.
When the diameters of the circles surrounded by the three groups of clapboards 3026 are regulated, the three groups of third connecting plates 406 are driven to move through the three groups of clapboards 3026, so that the three groups of first connecting blocks 405 are driven to move through the three groups of third connecting plates 406, namely, the three groups of sixth electric push rods 404 are driven to move through the three groups of first connecting blocks 405, so that the three groups of limiting rings 402 are driven to move on the three groups of limiting plates 403 through the three groups of sixth electric push rods 404, when the drilling is completed, the screw rod 3020 reverses, the analog drill bit 8 moves upwards, the three groups of sixth electric push rods 404 work simultaneously, the three groups of sixth electric push rods 404 drive the three groups of first connecting blocks 405, the third connecting plates 406 and the limiting blocks 407 to move downwards, the moving speed is higher than the moving speed of the three groups of clapboards 3026, so that the three groups of limiting blocks 407 are separated from the three groups of collectors 408, and as a torsion spring is arranged between the second connecting blocks 409 and the fourth connecting columns 4010, the initial state of torsion spring is in a torsion state; the unit performs the task of preventing sand from falling to the bottom of the borehole.
The bottom ends of the three groups of clapboards 3026 are provided with grooves.
So that three sets of collectors 408 can be accommodated.
The first connection post 3027, the second connection post 3028, the U-shaped block 3029, the third connection post 3030, and the compaction roller 3031 are provided in a stepped shape on the partition 3026 from bottom to top.
And the inner wall of the drill hole is compacted better.
Torsion springs are arranged between the first and second connection posts 3027 and 3028 and the U-shaped block 3029.
The compaction roller 3031 is increased to compress the borehole wall further.
The collector 408 is provided as a fish scale.
Can adapt to not unidimensional drilling, and then collect the sand that drops.
A torsion spring is provided between the second connection block 409 and the fourth connection column 4010, and the initial state is a torsion state.
So that the three sets of collectors 408 can twist to prevent sand from falling to the bottom of the borehole.
It should be understood that this example is only illustrative of the application and is not intended to limit the scope of the application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.