CN113738267A - Drilling device and drilling process for geotechnical engineering investigation - Google Patents
Drilling device and drilling process for geotechnical engineering investigation Download PDFInfo
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- CN113738267A CN113738267A CN202111178199.3A CN202111178199A CN113738267A CN 113738267 A CN113738267 A CN 113738267A CN 202111178199 A CN202111178199 A CN 202111178199A CN 113738267 A CN113738267 A CN 113738267A
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- 238000005553 drilling Methods 0.000 title claims abstract description 64
- 238000011835 investigation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 28
- 239000002689 soil Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B15/006—Means for anchoring the drilling machine to the ground
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application relates to a drilling device and a drilling process for geotechnical engineering investigation, which relate to the technical field of geotechnical engineering investigation; the drill rod connecting device comprises a connecting plate, wherein a plurality of supporting legs are arranged on the connecting plate, a driving piece for driving the supporting legs to synchronously rotate is arranged on the connecting plate, a mounting plate is arranged on the upper side of the connecting plate, a first motor is arranged on one side, away from the connecting plate, of the mounting plate, the output end of the first motor is connected with a drill rod, a connecting threaded hole for the drill rod to pass through is formed in the upper surface of the connecting plate in a penetrating mode, and a butting assembly is arranged between the mounting plate and the drill rod; the method and the device have the effect of improving the accuracy of the survey result.
Description
Technical Field
The application relates to the technical field of geotechnical engineering investigation, in particular to a drilling device and a drilling process for geotechnical engineering investigation.
Background
Geotechnical engineering investigation refers to finding out, analyzing and evaluating geological and environmental characteristics and geotechnical engineering conditions of a construction site according to requirements of construction engineering, and compiling activities of investigation files, and mainly aims at: the testing means and method are used for carrying out investigation research and analysis judgment on the building site, researching the geological conditions of various engineering buildings and the influence of the construction on the natural geological environment; research the measures of ensuring the strength and stability of the foundation and preventing the foundation from having unallowable deformation when the foundation, the foundation and the upper structure work together; the bearing capacity of the foundation is provided, and engineering addresses and geotechnical engineering data required by foundation design and construction and foundation reinforcement are provided as necessary.
Chinese patent with publication number CN206693914U discloses a drilling device for geotechnical engineering investigation, including spiral uide bushing, the drill bit, three crossbeam, three adapter sleeve, three landing leg and a plurality of drilling rods, three crossbeam sets up along the circumferencial direction equipartition of spiral uide bushing, and the inner of every crossbeam and the outer wall connection of spiral uide bushing, the outer end and the adapter sleeve of every crossbeam are connected, three landing leg sets up along the circumferencial direction equipartition of spiral uide bushing, the upper end cartridge respectively in a corresponding adapter sleeve of every landing leg, the lower extreme of drilling rod passes spiral uide bushing and is connected with the drill bit, the drilling rod outer wall passes through threaded connection with spiral uide bushing's inner wall.
Aiming at the related technologies, the inventor thinks that the staff inserts the landing leg into the soil layer through self physical power, and the stress of each landing leg is easily caused to be uneven, thereby causing the depth of each landing leg inserted into the soil layer to be inconsistent, and then when the drill rod drills into the soil layer through the drill bit, the drill rod is easy to be crooked, and the accuracy of the investigation result is continuously influenced.
Disclosure of Invention
In order to improve the accuracy of an investigation result, the application provides a drilling device and a drilling process for geotechnical engineering investigation.
In a first aspect, the present application provides a drilling device for geotechnical engineering investigation, which adopts the following technical scheme:
the utility model provides a probing device for geotechnical engineering reconnaissance, includes the connecting plate, be provided with a plurality of landing leg on the connecting plate, be provided with the synchronous pivoted driving piece of drive a plurality of landing leg on the connecting plate, the upside of connecting plate is provided with the mounting panel, one side that the connecting plate was kept away from to the mounting panel is provided with first motor, the output of first motor is connected with the drilling rod, the upper surface of connecting plate runs through and sets up the connecting thread hole that supplies the drilling rod to pass, be provided with the butt subassembly between mounting panel and the drilling rod.
Through adopting above-mentioned technical scheme, each landing leg of driving piece simultaneous drive is inserted simultaneously in the soil horizon to make each landing leg insert the depth in the soil horizon unanimous, thereby when the drilling rod bored in the soil horizon, reduced the drilling rod and appeared crooked possibility, and then improved the quality of drilling, so that improved the accuracy of reconnaissance result.
Optionally, the driving piece includes second motor, a plurality of driving gear, driven gear, first support ring, a plurality of second support ring, the second motor sets up in the upper surface of connecting plate, each the landing leg is located to the equal fixed cover of driving gear, each the driving gear all with the driven gear meshing, first support ring fixed connection is in driven gear's upper surface, the lower surface of connecting plate is seted up and is supplied first support ring pivoted first rotating groove, the output and one of them landing leg of second motor link to each other, each the equal fixed connection of second support ring is in one side that all the other landing legs are close to the connecting plate, the lower surface of connecting plate is seted up and is supplied second support ring pivoted second to rotate the groove, the inside of first support ring, driven gear is passed to the one end that first motor was kept away from to the drilling rod.
Through adopting above-mentioned technical scheme, start the second motor, the landing leg that the second motor drove and links to each other with it takes place to rotate, and the landing leg drives the driving gear that is located on this landing leg and takes place to rotate, and the driving gear drives all the other driven gears and takes place to rotate, and all the other driven gears drive the landing leg that links to each other with it and take place to rotate to each landing leg of drive is inserted in the soil horizon simultaneously.
Optionally, rolling balls are embedded in the side walls of the first support ring and the second support rings.
By adopting the technical scheme, the arrangement of the rolling balls reduces the friction force generated when the first supporting ring rotates in the first rotating groove, so that the service life of the first supporting ring is prolonged; the friction force generated when the second supporting ring rotates in the second rotating groove is reduced, so that the service life of the second supporting ring is prolonged.
Optionally, the butt subassembly includes that a plurality of buttjunction pole, a plurality of sliding block, a plurality of installation pole, each the buttjunction pole all articulates in the lateral wall of mounting panel, each the sliding block articulates in the one side of settjunction pole keeping away from the mounting panel, each the equal fixed connection of installation pole is in the upper surface of connecting plate, each the installation pole is kept away from one side of connecting plate and is offered the groove that slides that supplies the sliding block to slide.
Through adopting above-mentioned technical scheme, when first motor drive drilling rod when connecting screw hole internal rotation, the distance between mounting panel and the connecting plate changes to the angle between butt joint pole and the connecting plate changes, and the position of sliding block in the inslot that slides at this moment changes, helps providing for the drilling rod and stabilizes the power of boring towards the soil layer, promotes the drilling rod and bores the stability of digging then.
Optionally, a cleaning hole is formed in the driven gear, and a cleaning brush is arranged in the cleaning hole along the circumferential direction.
By adopting the technical scheme, when the drill rod moves up and down in the cleaning hole formed in the driven gear, the cleaning brush scrapes the side wall of the drill rod so as to remove soil on the side wall of the drill rod, and therefore the drill rod can be quickly put into the next drilling work.
Optionally, the locating piece has been seted up to one side that the cleaning brush is close to the connecting plate, the constant head tank that supplies the locating piece to inlay to establish is seted up to the inner wall in clean hole, the driven gear keeps away from one side of connecting plate and has seted up the chucking groove, the inside in chucking groove is provided with the chucking board, chucking board and driven gear pass through the bolt fastening.
By adopting the technical scheme, the positioning block is inserted into the positioning groove, so that the stability of the cleaning brush in the cleaning hole is improved, and the possibility of rotation of the cleaning brush is reduced; the clamping plate is embedded in the clamping groove and fixed with the driven gear through the bolt, so that the cleaning brush can be replaced when the bristles of the cleaning brush are damaged after being used for a long time.
Optionally, the drilling rod includes dead lever, a plurality of extension rod and drill bit, the output of dead lever and first motor links to each other, each the equal fixedly connected with fastening block in one side of extension rod, each the fastening thread groove that supplies fastening block screw to inlay to establish is seted up to the opposite side of extension rod, the locking thread groove that supplies fastening block screw to inlay to establish is seted up to the one end that first motor was kept away from to the dead lever, the one end fixedly connected with screw that the drill bit is close to the dead lever inlays the locking piece of locating in the fastening thread groove.
Through adopting above-mentioned technical scheme, the setting of a plurality of extension rod to the staff adjusts the length of drilling rod, thereby enlarges the degree of depth that the drilling rod bored and dug.
Optionally, a plurality of liquid inlet holes are formed in the side wall of the drill bit, a filter screen is arranged inside each liquid inlet hole, liquid guide holes are formed inside the fixing rod, communicating holes are formed inside each extending rod, and the liquid inlet holes, the communicating holes and the liquid guide holes are communicated with each other.
By adopting the technical scheme, when liquid substances exist in an exploration hole drilled and excavated by the drill rod, the liquid substances sequentially flow into the liquid inlet hole and the communicating hole and are discharged out of the drill rod through entering the liquid guide hole; the filter screen is used for filtering impurities such as broken stone blocks, silt and the like which are mixed in the liquid substances.
Optionally, each the groove of stepping down has all been seted up at the both ends of extension rod, the groove of stepping down communicates with each other with the intercommunicating pore, the inner wall fixedly connected with sealing washer in groove of stepping down.
Through adopting above-mentioned technical scheme, the leakproofness between adjacent extension rod, extension rod and dead lever, extension rod and the drill bit has been strengthened in the setting of sealing washer to guarantee that the liquid material is discharged from drain hole department.
In a second aspect, the present application further provides a drilling process of a drilling device for geotechnical engineering investigation, comprising the following steps:
the driving piece drives the plurality of supporting legs to rotate simultaneously, so that the plurality of supporting legs are inserted into the soil layer simultaneously;
starting a first motor, wherein the first motor positively drives the drill rod to rotate in the connecting threaded hole, and at the moment, the sliding block moves towards one side far away from the drill rod in the sliding groove under the action of the abutting rod until the drill rod drills an exploratory hole;
start first motor, first motor back drive drilling rod in connecting thread hole internal rotation, the sliding block removes towards the one side that is close to the drilling rod in the effect of butt pole inslot that slides this moment, until the drilling rod breaks away from out the exploration hole.
Through adopting above-mentioned technical scheme, insert the in-situ of soil through the driving piece with a plurality of landing leg, the degree of depth that each landing leg inserted in the in-situ of soil is unanimous, when driling through first motor drive drilling rod and driling, reduces the crooked condition of drilling rod appearance.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving piece drives the supporting legs to be inserted into the soil layer simultaneously, so that the depth of the supporting legs inserted into the soil layer is consistent, the possibility that the drill rod is inclined is reduced when the drill rod is drilled into the soil layer, the quality of the drill hole is improved, and the accuracy of a survey result is improved.
2. When the drill rod moves up and down in the cleaning hole formed in the driven gear, the cleaning brush scrapes the side wall of the drill rod so as to remove soil on the side wall of the drill rod, and therefore the drill rod can be quickly put into the next drilling operation.
Drawings
Fig. 1 is a schematic view of an overall structure of a drilling apparatus for geotechnical engineering investigation in an embodiment of the present application.
Fig. 2 is a sectional view for embodying the driving member structure in the embodiment of the present application.
FIG. 3 is a partial schematic view of an embodiment of the present application for embodying a drill rod structure.
Fig. 4 is a partial enlarged view of the structure a in fig. 2.
Description of reference numerals: 1. a connecting plate; 11. a support leg; 12. mounting a plate; 121. a first motor; 13. connecting the threaded hole; 14. a first rotating groove; 15. a second rotating groove; 2. a drive member; 21. a second motor; 22. a driving gear; 23. a driven gear; 231. cleaning the hole; 232. positioning a groove; 233. a clamping groove; 24. a first support ring; 25. a second support ring; 3. a drill stem; 31. fixing the rod; 311. a locking thread groove; 312. a drain hole; 32. an extension rod; 321. a fastening block; 322. fastening thread grooves; 323. a communicating hole; 324. a yielding groove; 33. a drill bit; 331. a locking block; 332. a liquid inlet hole; 3321. a filter screen; 4. an abutment assembly; 41. a butting rod; 42. a sliding block; 43. mounting a rod; 431. a sliding groove; 5. a rolling ball; 6. cleaning the brush; 61. positioning blocks; 7. a chucking plate; 8. and (5) sealing rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses drilling rig for geotechnical engineering investigation. Referring to fig. 1 and 2, the drilling device includes a connecting plate 1, a driving member 2 is disposed on the connecting plate 1, and the driving member 2 includes a second motor 21, a plurality of driving gears 22, a driven gear 23, a first support ring 24, and a plurality of second support rings 25; the number of the driving gears 22 can be three, the supporting legs 11 are fixedly embedded in each driving gear 22, each driving gear 22 is meshed with the driven gear 23, the first supporting ring 24 is welded on the side wall of the driven gear 23, and the lower surface of the connecting plate 1 is provided with a first rotating groove 14 for embedding the first supporting ring 24; the second motor 21 is provided with an upper surface of the connecting plate 1, an output end of the second motor 21 is connected with one of the support legs 11, the number of the second support rings 25 is two, the two second support rings 25 are welded on the side walls of the driving gear 22 on the other two support legs 11, and a second rotating groove 15 for the second support rings 25 to rotate is formed in the lower surface of the connecting plate 1; so that the worker starts the second motor 21, the second motor 21 drives the supporting leg 11 connected with the second motor to rotate, the supporting leg 11 drives the driving gear 22 on the supporting leg 11 to rotate, the driving gear 22 on the supporting leg 11 drives the driven gear 23 to rotate, the driven gear 23 drives the rest driving gears 22 to rotate, and the rest driving gears 22 drive the supporting legs 11 connected with the rest driving gears 22 to rotate, so that the supporting legs 11 are driven to be inserted into the soil layer simultaneously; so that the legs 11 are inserted to a uniform depth into the earth.
Referring to fig. 2, rolling balls 5 are embedded in the side walls of the first support ring 24 and the second support rings 25; when the first support ring 24 rotates in the first rotation groove 14, the rolling balls 5 on the first support ring 24 abut against the inner wall of the first rotation groove 14, which helps to reduce the friction force generated when the first support ring 24 rotates in the first rotation groove 14; when the second support ring 25 rotates in the second rotation groove 15, the rolling balls 5 on the second support ring 25 abut against the inner wall of the second rotation groove 15, which helps to reduce the friction force generated when the second support ring 25 rotates in the second rotation groove 15.
Referring to fig. 2, a drill rod 3 is arranged inside a driven gear 23, a connecting threaded hole 13 for the drill rod 3 to pass through is formed in the upper surface of a connecting plate 1 in a penetrating manner along the thickness direction, a mounting plate 12 is arranged on the upper side of the connecting plate 1, a first motor 121 is arranged on one side, away from the connecting plate 1, of the mounting plate 12, the output end of the first motor 121 is connected with the drill rod 3, one end, away from the first motor 121, of the drill rod 3 passes through the inside of a first support ring 24 and the driven gear 23, and an abutting assembly 4 is arranged between the mounting plate 12 and the connecting plate 1; after each landing leg 11 inserts the soil horizon, the staff starts first motor 121, and first motor 121 drives drilling rod 3 and takes place to rotate to make drilling rod 3 reciprocate in connecting thread hole 13, improved the intraformational quality of drilling rod 3 brill soil horizon then, so that improved the accuracy of reconnaissance result.
Referring to fig. 2, the abutting assembly 4 includes a plurality of abutting rods 41, a plurality of sliding blocks 42, and a plurality of mounting rods 43, each abutting rod 41 is hinged to a side wall of the mounting plate 12, and the mounting plate 12 may be a cube; the number of the abutting rods 41 can be four, each sliding block 42 is hinged to one side, away from the mounting plate 12, of each abutting rod 41, the number of the sliding blocks 42 is consistent with that of the abutting rods 41, the number of the mounting rods 43 is consistent with that of the sliding blocks 42, the mounting rods 43 are welded to one side, close to the mounting plate 12, of the connecting plate 1, a sliding groove 431 for the sliding blocks 42 to slide is formed in one side, away from the connecting plate 1, of each mounting rod 43, the sliding blocks 42 can be T-shaped blocks, and the sliding grooves 431 can be T-shaped grooves; when the drill rod 3 moves up and down in the connecting threaded hole 13, the vertical distance between the mounting plate 12 and the connecting plate 1 is changed, so that the angle between the abutting rod 41 and the connecting plate 1 is changed, the position of the sliding block 42 in the sliding groove 431 is also changed, the force for stably drilling towards the soil layer is provided for the drill rod 3, and the drilling stability of the drill rod 3 is improved.
Referring to fig. 3, the drill rod 3 includes a fixing rod 31, a plurality of extension rods 32 and a drill bit 33, one end of the fixing rod 31, which is far away from the drill bit 33, is connected to an output end of the first motor 121, one side of each extension rod 32 is welded with a fastening block 321, and the other side of each extension rod 32 is provided with a fastening thread groove 322 for the fastening block 321 to be embedded in a thread; the end of the fixed rod 31 far away from the first motor 121 is provided with a locking thread groove 311 for the fastening block 321 to be embedded in a thread, and the end of the drill bit 33 near the fixed rod 31 is fixedly connected with a locking block 331 embedded in the fastening thread groove 322 in a thread manner: the staff sets up the fastening piece 321 screw thread that extension rod 32 one side set up in the fastening thread groove 322 that another extension rod 32 one side was seted up, helps through the setting of a plurality of extension rod 32, adjusts the length of drilling rod 3.
Referring to fig. 3, the side wall of the drill bit 33 is provided with a plurality of liquid inlet holes 332, the plurality of liquid inlet holes 332 are annularly formed, and a filter screen 3321 is arranged inside the liquid inlet holes 332 and used for filtering impurities such as crushed stone, sand and the like; a communicating hole 323 is formed in each extension rod 32, a liquid guiding hole 312 is formed in one side of the fixing rod 31, which is far away from the second motor 21, and the liquid guiding hole 312 is in an L shape; the liquid inlet hole 332, the extension hole and the liquid guide hole 312 are communicated; when liquid substances exist in the exploration hole drilled by the drill rod 3, the liquid substances sequentially flow into the liquid inlet hole 332 and the communication hole 323, and are discharged out of the drill rod 3 through the liquid inlet and guide hole 312.
Referring to fig. 4, two ends of each extension rod 32 are respectively provided with a yielding groove 324, the yielding grooves 324 are communicated with the communication holes 323, the inner walls of the yielding grooves 324 are cemented with a sealing ring 8 through glue, and the sealing ring 8 can be made of rubber; when the liquid substance flows into the communication hole 323; the sealing performance between the adjacent extension rod 32, the extension rod 32 and the fixing rod 31, and the extension rod 32 and the drill bit 33 is enhanced by the sealing rings 8.
Referring to fig. 4, a clamping groove 233 is formed in one side, away from the connecting plate 1, of the driven gear 23, a cleaning hole 231 is formed in the driven gear 23, a cleaning brush 6 is circumferentially arranged in the cleaning hole 231, a positioning block 61 is welded on one side, close to the connecting plate 1, of the cleaning brush 6, a positioning groove 232 for the positioning block 61 to be embedded in is formed in the inner wall of the cleaning hole 231, a clamping plate 7 is arranged in the clamping groove 233, one side, close to each other, of the clamping plate 7 and one side, close to the cleaning brush 6, of the cleaning brush 6 are abutted, and the clamping plate 7 and the driven gear 23 are fixed through bolts; so that the cleaning brush 6 is fixed in the cleaning hole 231; when the drill rod 3 moves up and down in the driven gear 23, the cleaning brush 6 scrapes the side wall of the drill rod 3 so as to remove the soil on the side wall of the drill rod 3, so that the drill rod 3 can be quickly put into the next drilling work.
The embodiment of the application also discloses a drilling process of the drilling device for geotechnical engineering investigation, which comprises the following steps:
s1, starting a second motor 21, driving the supporting leg 11 connected with the second motor 21 to rotate, driving the driving gear 22 on the supporting leg 11 to rotate by the supporting leg 11, driving the driven gear 23 to rotate by the driving gear 22 on the supporting leg 11, driving the other driving gears 22 to rotate by the driven gear 23, and driving the supporting leg 11 connected with the other driving gears 22 to rotate, so that the supporting legs 11 are inserted into the soil layer at the same time;
s2, starting the first motor 121, wherein the first motor 121 positively drives the drill rod 3 to rotate in the connecting threaded hole 13, and at this time, the sliding block 42 moves towards the side away from the drill rod 3 in the sliding groove 431 under the action of the abutting rod 41 until the drill rod 3 drills out an exploratory hole;
s3, the first motor 121 is started, the first motor 121 reversely drives the drill rod 3 to rotate in the connecting threaded hole 13, at this time, the sliding block 42 moves towards the side close to the drill rod 3 in the acting sliding groove 431 of the abutting rod 41 until the drill rod 3 is separated from the exploratory hole.
The embodiment of the application discloses a drilling rig for geotechnical engineering investigation's implementation principle does: firstly, the second motor 21 drives the supporting legs 11 connected with the supporting legs to rotate, the supporting legs 11 drive the driving gears 22 on the supporting legs 11 to rotate, the driving gears 22 on the supporting legs 11 drive the driven gears 23 to rotate, the driven gears 23 drive the rest of the driving gears 22 to rotate, and the rest of the driving gears 22 drive the supporting legs 11 connected with the supporting legs to rotate, so that the supporting legs 11 are simultaneously inserted into the soil layer; then, the drill rod 3 is driven by the first motor 121 to rotate in the connecting threaded hole 13, and at the moment, the sliding block 42 moves towards one side close to the drill rod 3 in the sliding groove 431 under the action of the abutting rod 41 until the drill rod 3 drills an exploration hole, so that the quality of the drill rod 3 drilled into the soil layer is improved, and the accuracy of an exploration result is improved; finally, the drill rod 3 is driven to rotate in the connecting threaded hole 13 by the first motor 121, at this time, the sliding block 42 moves towards one side far away from the drill rod 3 in the acting sliding groove 431 of the abutting rod 41, and at this time, the cleaning brush 6 located in the driven gear 23 scratches the side wall of the drill rod 3, so that soil on the side wall of the drill rod 3 is removed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a probing device for geotechnical engineering reconnaissance which characterized in that: including connecting plate (1), be provided with a plurality of landing leg (11) on connecting plate (1), be provided with drive a plurality of landing leg (11) synchronous pivoted driving piece (2) on connecting plate (1), the upside of connecting plate (1) is provided with mounting panel (12), one side that connecting plate (1) was kept away from in mounting panel (12) is provided with first motor (121), the output of first motor (121) is connected with drilling rod (3), the upper surface of connecting plate (1) runs through and sets up connecting screw hole (13) that supply drilling rod (3) to pass, be provided with butt subassembly (4) between mounting panel (12) and drilling rod (3).
2. The drilling apparatus for geotechnical engineering investigation of claim 1, wherein: driving piece (2) includes second motor (21), a plurality of driving gear (22), driven gear (23), first support ring (24), a plurality of second support ring (25), second motor (21) sets up in the upper surface of connecting plate (1), each driving gear (22) is all fixed cover locate on landing leg (11), each driving gear (22) all with driven gear (23) meshing, first support ring (24) fixed connection is in the upper surface of driven gear (23), the lower surface of connecting plate (1) is seted up and is supplied first support ring (24) pivoted first rotation groove (14), the output and one of them landing leg (11) of second motor (21) link to each other, each equal fixed connection of second support ring (25) is close to one side of connecting plate (1) in all the other landing legs (11), the lower surface of connecting plate (1) is seted up and is supplied second support ring (25) pivoted second rotation groove (15) The end of the drill rod (3) far away from the first motor (121) penetrates through the first support ring (24) and the interior of the driven gear (23).
3. The drilling apparatus for geotechnical engineering investigation of claim 2, wherein: the side walls of the first support ring (24) and the second support rings (25) are embedded with rolling balls (5).
4. The drilling apparatus for geotechnical engineering investigation of claim 1, wherein: butt subassembly (4) include that a plurality of buttjunction pole (41), a plurality of sliding block (42), a plurality of installation pole (43), each buttjunction pole (41) all articulates in the lateral wall of mounting panel (12), each sliding block (42) articulate in the one side of buttjunction pole (41) keeping away from mounting panel (12), each installation pole (43) equal fixed connection in the upper surface of connecting plate (1), each installation pole (43) keep away from one side of connecting plate (1) and offer the groove (431) that slides that supplies sliding block (42) to slide.
5. The drilling apparatus for geotechnical engineering investigation of claim 2, wherein: a cleaning hole (231) is formed in the driven gear (23), and a cleaning brush (6) is arranged in the cleaning hole (231) along the circumferential direction.
6. The drilling apparatus for geotechnical engineering investigation of claim 5, wherein: locating piece (61) have been seted up to one side that clean brush (6) are close to connecting plate (1), locating slot (232) that confession locating piece (61) were inlayed and are established are seted up to the inner wall in clean hole (231), chucking groove (233) have been seted up to one side that connecting plate (1) was kept away from in driven gear (23), the inside in chucking groove (233) is provided with chucking plate (7), chucking plate (7) and driven gear (23) pass through the bolt fastening.
7. The drilling apparatus for geotechnical engineering investigation of claim 1, wherein: drilling rod (3) are including dead lever (31), a plurality of extension rod (32) and drill bit (33), the output of dead lever (31) and first motor (121) links to each other, each the equal fixedly connected with fastening block (321) in one side of extension rod (32), each the fastening thread groove (322) that confession fastening block (321) screw thread was inlayed and is established are seted up to the opposite side of extension rod (32), the one end that first motor (121) was kept away from in dead lever (31) is seted up and is supplied locking thread groove (311) that fastening block (321) screw thread was inlayed and is established, drill bit (33) are close to one end fixedly connected with screw thread of dead lever (31) and are inlayed and locate locking block (331) in fastening thread groove (322).
8. The drilling apparatus for geotechnical engineering investigation of claim 7, wherein: the side wall of the drill bit (33) is provided with a plurality of liquid inlet holes (332), a filter screen (3321) is arranged inside each liquid inlet hole (332), liquid guide holes (312) are formed inside the fixing rod (31), each extension rod (32) is provided with a communicating hole (323), and the liquid inlet holes (332), the communicating holes (323) and the liquid guide holes (312) are communicated.
9. The drilling apparatus for geotechnical engineering investigation of claim 7, wherein: each tank of stepping down (324) has all been seted up at the both ends of extension rod (32), tank of stepping down (324) and intercommunicating pore (323) communicate with each other, the inner wall fixedly connected with sealing washer (8) of tank of stepping down (324).
10. A drilling technology of a drilling device for geotechnical engineering investigation is characterized in that: the method comprises the following steps:
the driving piece (2) drives the plurality of supporting legs (11) to rotate simultaneously, so that the plurality of supporting legs (11) are inserted into the soil layer simultaneously;
starting the first motor (121), wherein the drill rod (3) is positively driven to rotate in the connecting threaded hole (13) by the first motor (121), and at the moment, the sliding block (42) moves towards one side far away from the drill rod (3) in the sliding groove (431) under the action of the abutting rod (41) until the drill rod (3) drills an exploratory hole;
and starting the first motor (121), wherein the first motor (121) reversely drives the drill rod (3) to rotate in the connecting threaded hole (13), and at the moment, the sliding block (42) moves towards one side close to the drill rod (3) in the sliding groove (431) under the action of the abutting rod (41) until the drill rod (3) is separated from the exploratory hole.
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