CN113588322A - Geotechnical layer surveying device and method - Google Patents
Geotechnical layer surveying device and method Download PDFInfo
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- CN113588322A CN113588322A CN202110852657.0A CN202110852657A CN113588322A CN 113588322 A CN113588322 A CN 113588322A CN 202110852657 A CN202110852657 A CN 202110852657A CN 113588322 A CN113588322 A CN 113588322A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims description 57
- 238000001125 extrusion Methods 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 12
- 230000005684 electric field Effects 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 238000011835 investigation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
The invention discloses a geotechnical layer surveying device and a surveying method, wherein the surveying device comprises a support frame and a drill rod, the drill rod is rotatably installed in the middle of the support frame, fixed lug plates are installed on the side end faces of the bottom of the support frame, a rotating rod is rotatably installed in the middle of the fixed lug plates positioned at the same side position of the support frame, limiting blocks are symmetrically welded at the end part of the rotating rod, a baffle is welded at the position, corresponding to the rotating rod, of the bottom end face of the support frame, a rotating pipe is sleeved outside the rotating rod, a rotating plate is welded on the outer end face of the rotating pipe, and a clamping groove is formed at the position, corresponding to the baffle, of the bottom end of the rotating plate; the surveying device and the surveying method have the advantages of simple equipment, convenience in carrying and operation, better mobility and operability, high surveying efficiency and low cost, and are suitable for various places with inconvenient traffic or poor terrain environment.
Description
Technical Field
The invention relates to the technical field of surveying, in particular to a geotechnical layer surveying device and a surveying method.
Background
The geological exploration is investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum and calculating foundation parameters. The method is characterized in that an industrially significant mineral deposit is found in mineral product census, mineral product reserves and geological data required by mine construction design are provided for finding out the quality and quantity of mineral products and technical conditions of mining and utilization, and investigation and research work is carried out on geological conditions such as rocks, strata, structures, mineral products, hydrology, landforms and the like in a certain area;
the soil layer survey device that uses at present generally equipment is huge, and the operation is complicated, is difficult to realize convenient quick and motorized, surveys with high costs, and is efficient, and is comparatively difficult in the inconvenient or relatively poor place of relief environment of traffic.
Disclosure of Invention
The invention provides a geotechnical layer surveying device and a surveying method, the surveying device has the advantages of simple equipment, convenience in carrying and operation, better mobility and operability, high surveying efficiency and low cost, and is suitable for various places with inconvenient traffic or poor terrain environment.
In order to achieve the purpose, the invention provides the following technical scheme:
a geotechnical layer surveying device comprises a support frame and a drill rod, wherein the drill rod is rotatably mounted in the middle of the support frame, fixed lug plates are mounted on the side end faces of the bottom of the support frame, rotating rods are rotatably mounted in the middles of the fixed lug plates located at the same side positions of the support frame, limiting blocks are symmetrically welded at the end parts of the rotating rods, a baffle is welded at the position, corresponding to the rotating rods, of the bottom end face of the support frame, a rotating pipe is sleeved outside the rotating rods, a rotating plate is welded on the outer end face of the rotating pipe, and a clamping groove is formed in the position, corresponding to the baffle, of the bottom of the rotating plate;
the welding of the top of baffle has the connecting pipe, the inside rotation joint of connecting pipe has the support round bar, the welding of support round bar bottom has the dog, the welding of support round bar top has the locating lever, a rotor plate tip welding has the link, the couple is installed in the embedding of the rotor plate other end, rotor plate side end face corresponds the locating lever position department and has seted up the constant head tank.
The baffle is clamped inside the clamping groove, and the positioning rod is clamped inside the positioning groove.
The top end of the baffle is provided with a mounting round hole in a penetrating mode corresponding to the position of the connecting pipe, and the middle of the supporting round rod is clamped inside the mounting round hole.
The rotating plate is internally of a hollow structure, one end of the hook is sleeved with a connecting rope in a bolted mode, and the other end of the connecting rope is embedded and installed on the inner side of the rotating plate.
The drill rod comprises a drill rod, a fixed cylinder, a stop ring, a screw thread, an inner thread ring, a screw thread, a screw bolt, a screw rod and a screw bolt, wherein the outside of the bottom end of the drill rod is sleeved with the fixed cylinder, the top and the upper side wall of the fixed cylinder are respectively provided with an extrusion hole in a penetrating way, the top end of the fixed cylinder is welded with the outer thread ring, the outer end face of the bottom of the fixed cylinder is welded with the stop ring, the top and the bottom of the fixed cylinder are both connected with the inner thread ring through the screw thread, and the bottom end of the drill rod is fixedly provided with the screw bolt; the fixed cylinder, the external thread ring and the baffle ring are formed by splicing two semi-cylinders, one the semi-cylinders are welded on the outer side of the drill rod, two the semi-cylinders are connected through the internal thread ring, and the opening of the fixed cylinder is downward.
Wherein, including surveying a section of thick bamboo, its characterized in that: the surveying cylinder comprises a supporting plate, a rotating groove, a rotating rod, a connecting cylinder, a sealing plate, a limiting plate and a limiting groove;
the survey cylinder comprises an openable upper part and a non-openable lower part; survey section of thick bamboo upper portion top surface one side and install the backup pad, the backup pad bilateral symmetry has been seted up and has been rotated the groove, rotate and install the bull stick between groove top and the bottom, the connecting cylinder has been cup jointed in the activity of bull stick outside, the shrouding is installed to connecting cylinder one side, the limiting plate is installed to the shrouding bottom surface, survey section of thick bamboo lower part top surface corresponds limiting plate position department and has seted up the spacing groove, the backup pad equals with the thickness of shrouding plate, the connecting cylinder internal diameter equals with the bull stick diameter.
The support plate and the seal plate are both arc-shaped plates, and the radians of the support plate and the seal plate are equal.
The bottom surface of the surveying cylinder is provided with a connecting assembly, and the connecting assembly comprises a fixing ring, a limiting ring, a movable ring, a screw cylinder, a fixing plate, a fixing groove and a thread groove;
the utility model discloses a surveying instrument, including fixed ring, fixed plate, shrouding top surface, fixed ring installs at reconnaissance section of thick bamboo bottom surface, the spacing ring is installed to fixed ring bottom surface, the activity of fixed ring outside has cup jointed the loose ring, the spiral shell section of thick bamboo is installed to the loose ring bottom surface, the fixed plate is installed to spacing ring bottom surface symmetry, the shrouding top surface corresponds fixed plate position department and has seted up the fixed slot, threaded groove has all been seted up on backup pad and shrouding outside top.
The inner diameters of the fixed ring and the limiting ring are equal, and the outer diameter of the fixed ring is equal to the inner diameter of the movable ring; the surveying cylinder is connected with a thread groove on another surveying cylinder through a screw cylinder, the thread groove outside positioned at the top is sleeved with a surveying cover through a thread, the thread groove outside positioned at the bottom is sleeved with a connecting cylinder which can be detachably connected with a fixed cylinder through a thread.
A method of geotechnical layer surveying using said surveying apparatus, comprising the steps of:
firstly, a surveying device is conveyed to a surveying position, a support frame of the surveying device is fixedly placed on the ground to move, a rotating plate is rotated, the bottom end face of the rotating plate is flush with the bottom end face of the support frame, a baffle is clamped in a clamping groove, and then a positioning rod is rotated to the inside of a positioning groove to unfold the rotating plate;
connecting a plurality of surveying cylinders according to needs, embedding the fixing plate into the fixing groove, and rotating the screw cylinder to enable the supporting plate and the sealing plate to be embedded into the screw cylinder through the thread groove; sleeving the assembled surveying cylinder outside the drill rod and fixedly connecting the surveying cylinder to the fixed cylinder through the connecting cylinder;
thirdly, drilling underground by rotating the rotating rod through an external power device or a manual tool; the fixed cylinder and the surveying cylinder are sequentially driven by the auger to extend underground, soil stranded by the auger enters the fixed cylinder, most of the soil is extruded out of the outer part from an extrusion hole in the side surface of the upper part of the fixed cylinder after the fixed cylinder is fully filled, and a small part of the soil is extruded into the surveying cylinder from the extrusion hole in the top end of the fixed cylinder and collected;
fourthly, after sampling is finished, reversing the drill rod or directly pulling out the drill rod, and enabling the drill rod to be communicated with the fixed cylinder and the surveying cylinder to be moved out of the drilling hole; after moving out, the fixed cylinder and the surveying cylinder are detached; the soil in the fixed cylinder is a complete soil sample in the deepest position of the survey; the soil in the exploration cylinder is an equal-proportion reduced sample of the soil layer in the whole process; when a soil sample in the surveying cylinder is searched, the screw cylinder is reversely rotated to enable the thread groove to be separated from the screw cylinder, and then the sealing plate is lifted to rotate to expose the soil layer sample extracted from the surveying device;
fifthly, the support frame is folded, the positioning rod is rotated out of the positioning groove, then the rotating plate is rotated to be in a vertical state, the hook is pulled, the hook is hung on the hanging ring, the rotating plate at the bottom of the support frame is folded and folded, and the rotating plate and the bottom of the support frame enclose a rectangular cavity, so that a surveying tool and a soil layer sample taken out can be placed.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the device has the advantages of simple equipment, convenient carrying and operation, better mobility and operability, high survey efficiency and low cost, and is suitable for various places with inconvenient traffic or poor terrain environment.
2. The surveying device of the invention can complete integration and disassembly through simple combination, thereby being convenient for work and carrying, and combines the fixed cylinder, the exploration cylinder, the drill rod and the auger, the auger is driven by the drill rod, the auger provides drilling force on one hand, the rock soil is guided into the fixed cylinder on the other hand, the side surface and the top of the upper part of the fixed cylinder are respectively provided with an extrusion hole, so that most of rock soil is discharged from the extrusion holes on the side surface, on the other hand, a small amount of rock soil is remained to be extruded into the surveying cylinder from the extrusion holes on the top, which is equivalent to that each layer of rock soil only collects one part and collects in the surveying cylinder according to the actual layer condition, at least two surveying functions are simultaneously realized, firstly, the soil sample at the deepest drilling position is reserved in the fixed cylinder, secondly, a small part of soil samples of the rock-soil layer are sequentially reserved in the surveying cylinder according to the stratum depth sequence, and equivalently, the actual soil layer is reduced or shortened in an equal proportion in the surveying cylinder to form a deep rock-soil sample; not only can accomplish soil sample collection and analysis work like this, the length of a reconnaissance section of thick bamboo need not can obtain complete degree of depth soil sample with the depth of investigation is the same moreover, has both reduced equipment length and weight greatly, and the soil sample of collection is under the prerequisite that can react soil layer particular case completely, and volume weight has all dwindled, conveniently carries and transports, makes more survey work of can accomplishing in the staff unit interval.
3. When the soil layer sampling survey is carried out, the support frame of the device is firstly placed at a proper position of the marshland and fixed, the rotating plate is rotated, the bottom end surface of the rotating plate is flush with the bottom end surface of the support frame, the baffle is clamped in the clamping groove, then the positioning rod is rotated to the inside of the positioning groove, the rotating plate is unfolded, the supporting area of the device is increased, and therefore the device is more stable in fixation, not easy to incline and higher in soil layer sampling efficiency.
4. According to the invention, the positioning rod rotates out of the positioning groove, the rotating plate rotates to be in a vertical state, the hook is pulled, the hook is hung on the hanging ring, and the rotating plate at the bottom of the support frame is folded and folded, so that the occupied area of the device is reduced, the device is convenient to store, a rectangular cavity is enclosed by the rotating plate and the bottom of the support frame, a surveying tool and a soil layer sample taken out can be placed, the device and the soil layer sample can be conveniently stored, and the operation is convenient.
5. According to the invention, the sealing plate can be rotated by lifting to expose the soil layer sample extracted from the interior of the surveying device, so that the surveying condition can be conveniently checked, the use is light, the sample cleaning and surveying device can be conveniently taken out after the sealing plate is opened, and the supporting plate and the sealing plate can be limited by embedding the limiting plate into the limiting groove, so that the supporting plate, the sealing plate and the surveying cylinder are more firmly fixed.
6. According to the invention, the two surveying cylinders can be connected more tightly by embedding the fixing plate into the fixing groove, the influence of shaking and deviation of the surveying cylinders on the use of the device is avoided, and the two surveying cylinders can be separated by rotating the screw cylinder, so that the device is convenient and quick to mount and dismount and is convenient to use.
7. According to the soil layer sample taking device, the positioning groove, the fixed cylinder, the extrusion holes, the external thread ring, the baffle ring, the internal thread ring and the auger are arranged, a soil layer sample enters the fixed cylinder through the bottom end of the fixed cylinder, most of soil on the upper layer is discharged from the extrusion holes on the side surface of the upper part along with the drilling depth, the fixed cylinder stores the deepest soil, after the soil layer sample is taken, the internal thread ring is screwed off, one semicircular cylinder of the fixed cylinder is taken off to scrape out the internal soil, then the semicircular cylinders are closed, and the internal thread ring is screwed on, so that the soil layer sample is conveniently taken out.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is a schematic view of the stand of the present invention in an expanded configuration;
FIG. 3 is a partially exploded view of the stand of the present invention;
FIG. 4 is an enlarged schematic view of circle A of FIG. 3;
FIG. 5 is a schematic view of the construction of the rotating plate of the present invention;
FIG. 6 is a schematic assembled structure of the drill rod and the fixed cylinder of the present invention;
FIG. 7 is an exploded view of the stationary cartridge of FIG. 6;
FIG. 8 is an assembled structural schematic of a survey cylinder of the present invention;
FIG. 9 is a schematic view of a portion of the surveying cylinder according to the invention;
FIG. 10 is a schematic view of the open closure plate of the survey cylinder of the present invention;
fig. 11 is a schematic structural view of the driving device of the present invention.
Reference numbers in the figures: 1. a support frame; 2. a drill stem; 3. fixing the ear plate; 4. rotating the rod; 5. a limiting block; 6. a baffle plate; 7. rotating the tube; 8. a rotating plate; 9. a clamping groove; 10. a connecting pipe; 11. a support round bar; 12. a stopper; 13. positioning a rod; 14. hanging a ring; 15. hooking; 16. positioning a groove; 17. a fixed cylinder; 18. an extrusion orifice; 19. an externally threaded ring; 20. a baffle ring; 21. an internally threaded ring; 22. a packing auger; 23. a surveying cylinder; 231. a support plate; 232. a rotating groove; 233. a rotating rod; 234. a connecting cylinder; 235. closing the plate; 236. a limiting plate; 237. a limiting groove; 24. a connecting assembly; 241. a fixing ring; 242. a limiting ring; 243. a movable ring; 244. a screw cylinder; 245. a fixing plate; 246. fixing grooves; 247. a thread groove; 25. a connecting cylinder; 26. a survey cover; 270. hydraulic devices or linear motors; 271. a rigid ring body; 272. an annular groove; 273. an elastic sleeve body; 274. electrorheological fluid; 275. a delivery pipe; 276. straight teeth; 277. a gear; 278. a motor; 279. a torque gearbox.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-10, the present invention provides a solution,
a geotechnical layer surveying device comprises a support frame 1 and a drill rod 2, wherein the drill rod 2 is rotatably mounted in the middle of the support frame 1, fixed lug plates 3 are mounted on the side end faces of the bottom of the support frame 1, rotating rods 4 are rotatably mounted in the middles of the fixed lug plates 3 located at the positions on the same side of the support frame 1, limiting blocks 5 are symmetrically welded at the end parts of the rotating rods 4, a baffle 6 is welded at the position, corresponding to the rotating rods 4, of the bottom end face of the support frame 1, a rotating pipe 7 is sleeved outside the rotating rods 4, a rotating plate 8 is welded on the outer end face of the rotating pipe 7, and a clamping groove 9 is formed in the position, corresponding to the baffle 6, of the bottom end of the rotating plate 8;
the welding of the top of baffle 6 has connecting pipe 10, and the inside rotation joint of connecting pipe 10 has support round bar 11, and the welding of support round bar 11 bottom has dog 12, and the welding of support round bar 11 top has locating lever 13, and 8 tip welds of rotor plate have link 14, and the couple 15 is installed in the embedding of the 8 other ends of rotor plate, and 8 side end faces of rotor plate correspond locating lever 13 position department and have seted up constant head tank 16.
Furthermore, the baffle 6 is clamped in the clamping groove 9, and the positioning rod 13 is clamped in the positioning groove 16.
Furthermore, the top end of the baffle 6 corresponding to the position of the connecting pipe 10 is provided with a mounting round hole in a penetrating manner, and the middle part of the supporting round rod 11 is clamped inside the mounting round hole.
Further, the inside hollow structure that is of rotor plate 8, the one end bolt cover of couple 15 has the connection rope, and the other end embedding of connecting the rope is installed in rotor plate 8 inboardly.
Further, a fixed cylinder 17 is sleeved outside the bottom end of the drill rod 2, extrusion holes 18 are respectively formed in the top and upper side walls of the fixed cylinder 17 in a penetrating mode, an external thread ring 19 is welded at the top end of the fixed cylinder 17, a baffle ring 20 is welded on the outer end face of the bottom of the fixed cylinder 17, the top and the bottom of the fixed cylinder 17 are both connected with an internal thread ring 21 through threads, and a packing auger 22 is fixedly installed at the bottom end of the drill rod 2 through bolts; the fixed cylinder 17, the external thread ring 19 and the baffle ring 20 are formed by splicing two semi-cylinders, one semi-cylinder is welded on the outer side of the drill rod 2, the two semi-cylinders are connected through the internal thread ring 21, and the opening of the fixed cylinder 17 is downward.
Further, including reconnaissance section of thick bamboo 23, its characterized in that: the surveying cylinder 23 comprises a supporting plate 231, a rotating groove 232, a rotating rod 233, a connecting cylinder 234, a sealing plate 235, a limiting plate 236 and a limiting groove 237;
the surveying cylinder 23 comprises an openable upper part and a non-openable lower part; survey a section of thick bamboo 23 upper portion top surface one side and install backup pad 231, backup pad 231 bilateral symmetry has seted up rotation groove 232, install bull stick 233 between rotation groove 232 top and the bottom, connecting cylinder 234 has been cup jointed in the activity of bull stick 233 outside, shrouding 235 is installed to connecting cylinder 234 one side, limiting plate 236 is installed to shrouding 235 bottom surface, survey a section of thick bamboo 23 lower part top surface and correspond limiting plate 236 position department and seted up spacing groove 237, the thickness of backup pad 231 and shrouding 235 equals, connecting cylinder 234 internal diameter equals with the bull stick 233 diameter.
Further, the supporting plate 231 and the closing plate 235 are both arc-shaped plates, and the radian of the supporting plate 231 is equal to that of the closing plate 235.
Further, the bottom surface of the surveying cylinder 23 is provided with a connecting assembly 24, and the connecting assembly 24 comprises a fixing ring 241, a limiting ring 242, a movable ring 243, a screw cylinder 244, a fixing plate 245, a fixing groove 246 and a screw groove 247;
fixed ring 241 is installed in surveying section of thick bamboo 23 bottom surface, and fixed ring 241 bottom surface is installed spacing ring 242, and the activity of fixed ring 241 outside has cup jointed movable ring 243, and spiral shell 244 is installed to movable ring 243 bottom surface, and fixed plate 245 is installed to spacing ring 242 bottom surface symmetry, and fixed slot 246 has been seted up to the corresponding fixed plate 245 position department of shrouding 235 top surface, and threaded groove 247 has all been seted up on backup pad 231 and shrouding 235 outside top.
Further, the inner diameters of the fixing ring 241 and the limiting ring 242 are equal, and the outer diameter of the fixing ring 241 is equal to the inner diameter of the movable ring 243; the surveying cylinder 23 is connected with a thread groove 247 on another surveying cylinder 23 through a screw cylinder 244, a surveying cover 26 is sleeved outside the uppermost thread groove 247 through a thread, and a connecting cylinder 25 which can be detachably connected with the fixed cylinder 17 is sleeved inside the lowermost screw cylinder 244 through a thread.
A geotechnical layer surveying method adopting the surveying device comprises the following steps:
firstly, conveying a surveying device to a surveying position, fixedly placing a support frame 1 of the device on the ground, rotating a rotating plate 8 to enable the bottom end face of the rotating plate 8 to be flush with the bottom end face of the support frame 1, clamping a baffle 6 in a clamping groove 9, and then rotating a positioning rod 13 to the inside of a positioning groove 16 to enable the rotating plate 8 to be unfolded;
connecting a plurality of measuring cylinders 23 according to the requirement, embedding the fixing plate 245 into the fixing groove 246, and then rotating the screw cylinder 244 to enable the supporting plate 231 and the sealing plate 235 to be embedded into the screw cylinder 244 through the screw groove 247; sleeving the assembled surveying cylinder 23 outside the drill rod 2 and fixedly connecting the surveying cylinder to the fixed cylinder 17 through the connecting cylinder 25;
thirdly, the rotating rod 2 is rotated by an external power device or a manual tool to drill underground; the fixed cylinder 17 and the surveying cylinder 23 are driven to stretch into the ground in sequence by the auger 22, soil stranded by the auger 22 enters the fixed cylinder 17, most of the soil is extruded out of the outer part from the extrusion hole 18 on the side surface of the upper part of the fixed cylinder 17 after the fixed cylinder 17 is filled with the soil, and a small part of the soil is extruded into the surveying cylinder 23 from the extrusion hole 18 on the top end of the fixed cylinder 17 and collected;
fourthly, after sampling is finished, the drill rod 2 is reversed or the drill rod 2 is directly pulled out, and the drill rod 2 is communicated with the fixed cylinder 17 and the exploration cylinder 23 to be moved out of the drilled hole; after removal, the fixed barrel 17 and the survey barrel 23 are removed; the soil in the fixed cylinder 17 is a complete soil sample in the deepest position of the survey; the soil in the exploration cylinder 23 is an equal-proportion reduced sample of the soil layer in the whole process; when the soil sample in the surveying cylinder 23 is surveyed, the screw cylinder 244 is rotated reversely to separate the thread groove 247 from the screw cylinder 244, and then the closing plate 235 is lifted to rotate the closing plate 235 to expose the soil layer sample extracted from the surveying device;
fifthly, the support frame is folded, the positioning rod 13 is rotated out of the positioning groove 16, then the rotating plate 8 is rotated to be in a vertical state, the hook 15 is pulled, the hook 15 is hung on the hanging ring 14, the rotating plate 8 at the bottom of the support frame 1 is folded and folded, a rectangular cavity is enclosed between the rotating plate 8 and the bottom of the support frame 1, and a surveying tool and a soil layer sample taken out can be placed.
Furthermore, with reference to fig. 11, the drill rod 2 is driven to rotate by a driving device, which comprises a rigid ring 271 fitted outside the drilling tool; an annular groove 272 is formed in the inner ring wall of the rigid ring body 271; an annular high-strength sealing elastic sleeve body 273 is embedded in the groove 272; the elastic sleeve body 273 is filled with electrorheological fluid 274; the electrorheological fluid 274 controls the phase state by an external electric field; the amount of the electro-rheological fluid 274 in the elastic sheath 273 is controlled by an openable and closable delivery pipe 275; straight teeth 276 are radially arranged on the outer ring of the rigid ring body 271; one or more gears 277 are in meshing transmission with the spur 276; one or more motors 278 drive rotation of the gear 277 through a torque gearbox 279;
when in use, the drill rod 2 is sleeved with the rigid ring body 271, the fixed motor 278 is installed, and the gear 277 is meshed with the lower part of the straight tooth 276 on the rigid ring body 271; pumping electrorheological fluid 274 into the elastic sleeve body 273 by pressurizing through the delivery pipe 275, so that the elastic sleeve body 273 is bulged and tightly hoops the outer circumferential surface of the drill rod 2; the external electric field applies a strong electric field to the electro-rheological fluid 274, so that the electro-rheological fluid in the elastic sleeve body 273 is instantly converted from a liquid state to a solid state; after the motor 278 is started and the torque is increased through the torque gearbox 279, the rigid ring body 271 is driven to rotate through the gear 277, the rigid ring body 271 clamps the drill rod 2 at the moment, so that the drill rod 2 is driven to rotate, and the drill rod 2 is screwed into the ground; after the drill rod 2 descends to the height of the thickness of the straight teeth 276, the electric field applied to the electrorheological fluid 274 is closed, the electrorheological fluid 274 is instantly converted into liquid, and the motor 278 can not drive the drill rod to rotate any more; part of the electro-rheological fluid 274 is drawn outwards to separate the rigid ring 271 from the drill pipe 2; and manually lifting the rigid ring body 271, pressurizing and pumping the electro-rheological fluid 274 into the elastic sleeve body 273 through the conveying pipe 275, starting the electric field, clamping the drill rod 2 by the rigid ring body 271 again, and repeating the process.
This drive arrangement utilizes the characteristic of electrorheological fluids, can overcome the difficult point that current probing got the core technique, and the high-efficient stable completion is got core work, can be applicable to the drilling rod 2 of different thickness, realizes the steady rotation of drilling rod 2 through the mode that the intermittent type was twistd reverse, can effectively avoid drilling rod 2 to break, gets that the core breakage rate is low, and overall structure is simple, and is small, but the modularization dismouting to be applicable to abominable open-air exploration environment.
Because the drilling coring is realized by twisting the drill rod 2, the tail part of the drill rod 2 can be simply and quickly connected with the drill rod 2 in a subsection manner, thereby improving the drilling efficiency and reducing the difficulty of installation and lengthening; and the stress of the drill rod 2 is uniform, the bearing area is large, the drill rod is not easy to damage, and the drill rod 2 can be effectively prevented from being broken.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a ground layer surveys device, includes support frame (1) and drilling rod (2), its characterized in that: the drill pipe is characterized in that a drill pipe (2) is rotatably mounted in the middle of the support frame (1), fixed lug plates (3) are mounted on the side end faces of the bottom of the support frame (1), rotating rods (4) are rotatably mounted in the middles of the fixed lug plates (3) located at the same side positions of the support frame (1), limiting blocks (5) are symmetrically welded at the end portions of the rotating rods (4), a baffle (6) is welded at the position, corresponding to the rotating rods (4), of the bottom end face of the support frame (1), a rotating pipe (7) is sleeved outside the rotating rods (4), a rotating plate (8) is welded at the outer end face of the rotating pipe (7), and a clamping groove (9) is formed at the position, corresponding to the baffle (6), of the bottom of the rotating plate (8);
the welding of the top of baffle (6) has connecting pipe (10), the inside rotation joint of connecting pipe (10) has support round bar (11), it has dog (12) to support round bar (11) bottom welding, it has locating lever (13) to support round bar (11) top welding, a welding of rotor plate (8) tip has link (14), couple (15) are installed in rotor plate (8) other end embedding, rotor plate (8) side end face corresponds locating lever (13) position department and has seted up constant head tank (16).
2. The geotechnical layer survey device according to claim 1, wherein the baffle (6) is clamped inside the clamping groove (9), and the positioning rod (13) is clamped inside the positioning groove (16).
3. The geotechnical layer surveying device according to claim 1, wherein a mounting circular hole is formed in the position, corresponding to the connecting pipe (10), of the top end of the baffle (6), and the middle of the supporting round rod (11) is clamped inside the mounting circular hole.
4. The geotechnical layer survey device according to claim 1, characterized in that the rotating plate (8) is hollow inside, one end of the hook (15) is bolted and sleeved with a connecting rope, and the other end of the connecting rope is embedded and installed inside the rotating plate (8).
5. The geotechnical layer surveying device according to claim 1, characterized in that a fixed cylinder (17) is sleeved outside the bottom end of the drill rod (2), extrusion holes (18) are respectively formed in the top and upper side walls of the fixed cylinder (17) in a penetrating manner, an external thread ring (19) is welded at the top end of the fixed cylinder (17), a baffle ring (20) is welded at the outer end face of the bottom of the fixed cylinder (17), the top and the bottom of the fixed cylinder (17) are both connected with an internal thread ring (21) through threads, and a packing auger (22) is fixedly installed at the bottom end of the drill rod (2) through bolts; fixed cylinder (17), external screw thread ring (19) and fender ring (20) are two semicircle barrels and splice and form, one the semicircle barrel welds in drilling rod (2) outside, two the semicircle barrel passes through internal screw thread ring (21) and connects, the opening of fixed cylinder (17) is down.
6. A geotechnical layer survey apparatus according to claim 5, characterised by comprising a survey cylinder (23) characterized by: the surveying cylinder (23) comprises a supporting plate (231), a rotating groove (232), a rotating rod (233), a connecting cylinder (234), a sealing plate (235), a limiting plate (236) and a limiting groove (237);
the prospecting cylinder (23) comprises an upper part which can be opened and closed and a lower part which can not be opened and closed; survey section of thick bamboo (23) upper portion top surface one side and install backup pad (231), backup pad (231) bilateral symmetry has been seted up and has been rotated groove (232), rotate and install bull stick (233) between groove (232) top and the bottom, bull stick (233) outside activity has cup jointed connecting cylinder (234), shrouding (235) are installed to connecting cylinder (234) one side, limiting plate (236) are installed to shrouding (235) bottom surface, survey section of thick bamboo (23) lower part top surface corresponds limiting plate (236) position department and has seted up spacing groove (237), the thickness of backup pad (231) and shrouding (235) equals, connecting cylinder (234) internal diameter equals with bull stick (233) diameter.
7. A geotechnical layer survey apparatus according to claim 6, characterised in that said support plate (231) and said closing plate (235) are both arc-shaped plates, and the arc of said support plate (231) and said arc of said closing plate (235) are equal.
8. The geotechnical layer survey apparatus according to claim 6, wherein said survey cylinder (23) is mounted with a connection assembly (24) on its bottom surface, said connection assembly (24) comprising a fixed ring (241), a limit ring (242), a movable ring (243), a screw cylinder (244), a fixed plate (245), a fixed groove (246) and a screw groove (247);
fixed ring (241) are installed in surveying a section of thick bamboo (23) bottom surface, spacing ring (242) are installed to fixed ring (241) bottom surface, activity ring (243) have been cup jointed in fixed ring (241) outside activity, spiral shell section of thick bamboo (244) are installed to activity ring (243) bottom surface, fixed plate (245) are installed to spacing ring (242) bottom surface symmetry, fixed slot (246) have been seted up to shrouding (235) top surface correspondence fixed plate (245) position department, thread groove (247) have all been seted up on backup pad (231) and shrouding (235) outside top.
9. The geotechnical layer survey apparatus according to claim 8, wherein said fixed ring (241) and spacing ring (242) have equal inner diameters, and said fixed ring (241) has equal outer diameters and movable ring (243) inner diameters; the surveying cylinder (23) is connected with a thread groove (247) on another surveying cylinder (23) through a screw cylinder (244), the outer side of the thread groove (247) positioned at the uppermost part is sleeved with a surveying cover (26) through a thread, and the inner part of the screw cylinder (244) positioned at the lowermost part is sleeved with a connecting cylinder (25) which can be detachably connected with the fixed cylinder (17) through a thread.
10. A geotechnical layer surveying method, using the surveying apparatus of claim 9, comprising the steps of:
firstly, a surveying device is conveyed to a surveying position, a support frame (1) of the surveying device is fixedly placed on the ground to move, a rotating plate (8) is rotated to enable the bottom end face of the rotating plate (8) to be flush with the bottom end face of the support frame (1), a baffle plate (6) is clamped in a clamping groove (9), and then a positioning rod (13) is rotated to the inside of a positioning groove (16) to enable the rotating plate (8) to be unfolded;
connecting a plurality of prospecting cylinders (23) according to the requirement, embedding a fixing plate (245) into a fixing groove (246), and then rotating a screw cylinder (244) to enable a supporting plate (231) and a sealing plate (235) to be embedded into the screw cylinder (244) through a thread groove (247); sleeving the assembled surveying cylinder (23) outside the drill rod (2) and fixedly connecting the surveying cylinder to the fixed cylinder (17) through a connecting cylinder (25);
thirdly, drilling underground by rotating the rotating rod (2) through an external power device or a manual tool; the fixed cylinder (17) and the surveying cylinder (23) are sequentially driven to stretch into the ground through the auger (22), soil stranded by the auger (22) enters the fixed cylinder (17), after the fixed cylinder (17) is fully filled, most of soil is extruded out of an extrusion hole (18) in the side surface of the upper part of the fixed cylinder (17), and a small part of soil is extruded into the surveying cylinder (23) from the extrusion hole (18) in the top end of the fixed cylinder (17) and collected;
fourthly, after sampling is finished, the drill rod (2) is reversed or the drill rod (2) is directly pulled out, and the drill rod (2) is communicated with the fixed cylinder (17) and the surveying cylinder (23) to be moved out of the drilled hole; after the movable sleeve is removed, the fixed sleeve (17) and the surveying sleeve (23) are detached; the soil in the fixed cylinder (17) is a complete soil sample in the deepest position of the survey; the soil in the exploration cylinder (23) is an equal-proportion reduced sample of the soil layer in the whole process; when a soil sample in the surveying cylinder (23) is surveyed, the screw cylinder (244) is rotated reversely to enable the thread groove (247) to be separated from the screw cylinder (244), and then the sealing plate (235) is lifted to rotate to expose the soil layer sample extracted from the surveying device;
fifthly, the support frame is folded, the positioning rod (13) is rotated out of the positioning groove (16), then the rotating plate (8) is rotated to be in a vertical state, the hook (15) is pulled, the hook (15) is hung on the hanging ring (14), the rotating plate (8) at the bottom of the support frame (1) is folded and folded, and a rectangular cavity is enclosed at the bottoms of the rotating plate (8) and the support frame (1) to place a surveying tool and a soil layer sample taken out.
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