CN113982477A - Drilling device for geotechnical engineering investigation of accurate control probing depth - Google Patents
Drilling device for geotechnical engineering investigation of accurate control probing depth Download PDFInfo
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- CN113982477A CN113982477A CN202111153036.XA CN202111153036A CN113982477A CN 113982477 A CN113982477 A CN 113982477A CN 202111153036 A CN202111153036 A CN 202111153036A CN 113982477 A CN113982477 A CN 113982477A
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- 238000005553 drilling Methods 0.000 title claims abstract description 45
- 238000011835 investigation Methods 0.000 title claims abstract description 28
- 230000008093 supporting effect Effects 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 24
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims 2
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
- E21B15/045—Hydraulic, pneumatic or electric circuits for their positioning
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling device for geotechnical engineering investigation for accurately controlling drilling depth, and particularly relates to the field of machinery, wherein the drilling device comprises a plate body, and a first hydraulic cylinder and a sliding chute are arranged in the drilling device; the slider, the bracing piece, make first pneumatic cylinder order about the connecting plate and remove downwards, then make the connecting plate drive connecting plate both sides fixed connection's bracing piece carry out sliding connection in one side of backup pad, thereby make two bracing piece one side fixed connection's slider carry out sliding connection at the spout that backup pad one side was seted up, the staff of being convenient for controls the drill bit better and carries out the accurate measurement to the degree of depth of probing depth investigation time measuring, the installation draw-in groove, the fixture block, the second pneumatic cylinder, the pivot, be favorable to the staff to make fixture block and corresponding draw-in groove swing joint, thereby make draw-in groove inner wall movable mounting's pivot through the angle of the rotation regulation fixture block of connecting axle, open the external power switch of external control second pneumatic cylinder, improve the support effect of device effectively.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a drilling device for geotechnical engineering investigation, which can accurately control the drilling depth.
Background
With the continuous development of the times, the drilling device for geotechnical engineering investigation plays an important role in the engineering investigation process, the geotechnical engineering investigation refers to finding out, analyzing and evaluating the geology and environmental characteristics of a construction site and the geotechnical engineering conditions according to the requirements of construction engineering, and the activities of investigation files are compiled, the drilling device is required to be used in the investigation process, and the drilling device for geotechnical engineering investigation for accurately controlling the drilling depth is a drilling device equipment for accurately controlling the drilling depth in the geotechnical engineering investigation.
At present, there are drilling equipment for the geotechnical engineering investigation of a lot of accurate control probing depth on the market, but drilling equipment for the geotechnical engineering investigation of general accurate control probing depth, in-process using, the device can't effectually carry out device and ground zonulae occludens, thereby it carries out movable mounting with device and ground to need the staff cost plenty of time, and drilling equipment for the geotechnical engineering investigation of general accurate control probing depth, can't effectually carry out accurate regulation with the height of drill bit when surveying geotechnical engineering, thereby make the staff carry out the in-process of probing depth observation, the degree of depth error who reachs is unstable, the normal use of device has been influenced to a very big extent.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a drilling apparatus for geotechnical engineering investigation, which accurately controls the drilling depth, and the technical problems to be solved by the present invention are: in the in-process that uses, the device can't be effectual with device and ground zonulae occludens and can't be effectual carry out accurate regulation with the height of drill bit when reconnaissance geotechnical engineering.
In order to achieve the purpose, the invention provides the following technical scheme: a drilling device for geotechnical engineering investigation for accurately controlling drilling depth comprises a plate body, wherein a first hydraulic cylinder is fixedly connected to the bottom end of the plate body, a connecting plate is fixedly connected to the bottom end of the first hydraulic cylinder, a drill bit is movably connected to the bottom end of the connecting plate, supporting rods are fixedly connected to two sides of the connecting plate, a sliding mechanism is fixedly mounted on the outer wall of the plate body and comprises two supporting plates, two sliding chutes and two sliding blocks, one side of each of the two supporting plates is fixedly connected with one side of the corresponding plate body, one side of each of the two supporting plates is movably connected with one side of the corresponding supporting rod, the sliding chutes are formed in one side of each of the two supporting plates, the sliding blocks are slidably connected to the inner walls of the two sliding chutes, one sides of the two sliding blocks are fixedly connected with one side of the corresponding supporting rod, and a supporting mechanism is fixedly mounted on the outer walls of the two supporting plates, the supporting mechanism comprises four rotating shafts, eight connecting shafts, four clamping grooves, four clamping blocks and four second hydraulic cylinders, the two ends of each rotating shaft are fixedly connected with the connecting shafts, the outer annular wall of each connecting shaft is movably connected with the four clamping grooves, the outer walls of the four clamping grooves are fixedly connected with the other sides of the corresponding supporting plates, the inner walls of the four clamping grooves are movably connected with the outer walls of the corresponding rotating shafts, the clamping blocks are fixedly connected with one ends of the outer annular wall of each rotating shaft, the outer walls of the four clamping blocks are movably connected with the inner walls of the corresponding clamping grooves, and the second hydraulic cylinders are fixedly connected with one sides of the four clamping blocks.
In a preferred embodiment, the first hydraulic cylinders and the drill bit are electrically connected to an external power source through external switches, and the four second hydraulic cylinders are electrically connected to the external power source through external switches.
In a preferred embodiment, two bottom fixed mounting of backup pad has moving mechanism, moving mechanism includes two bottom plates, four recesses, four runners, two the top of bottom plate all with the bottom fixed connection who corresponds the backup pad, two the bottom of bottom plate all has seted up two recesses, four the equal swing joint of inner wall of recess has the runner.
In a preferred embodiment, scale strips are fixedly mounted on one side of each of the two support plates, fluorescent powder is coated on the outer walls of the two scale strips, and the height of each of the two scale strips is aligned with the height of the corresponding sliding groove.
In a preferred embodiment, the inner walls of the two sliding chutes are fixedly provided with tampons made of polytetrafluoroethylene materials, and the area size of one side of the outer walls of the two tampons is matched with the area size of one side of the inner wall of the corresponding sliding chute.
In a preferred embodiment, the size of the area of one side of the outer wall of each of the two sliding blocks is matched with the size of the area of one side of the inner wall of the corresponding sliding chute, and the size of the length of the outer wall of each of the two sliding blocks is matched with the size of the depth of the inner wall of the corresponding sliding chute.
In a preferred embodiment, the length dimension of the outer annular walls of the four rotating shafts is matched with the length dimension of the inner walls of the corresponding clamping grooves.
In a preferred embodiment, the size of the area of one side of each of the four inner walls of the clamping groove is matched with the size of the area of one side of the outer wall of the corresponding clamping block, and the size of the height of each of the four inner walls of the clamping groove is matched with the size of the height of the outer wall of the corresponding clamping block.
In a preferred embodiment, the bottom ends of the four second hydraulic cylinders are fixedly connected with vertebral bodies, and the area size of the top ends of the four vertebral bodies is matched with the area size of the bottom end of the corresponding second hydraulic cylinder.
In a preferred embodiment, the outer annular walls of the two ends of each of the four rotating wheels are coated with lubricating oil, and the outer walls of the four rotating wheels are connected with chains in a clamping mode.
The invention has the technical effects and advantages that:
the invention is provided with the first hydraulic cylinder and the sliding chute; the slide block and the support rod are favorable for workers to open a power switch for externally controlling the first hydraulic cylinder, so that the first hydraulic cylinder drives the connecting plate to move downwards, the connecting plate drives the support rods fixedly connected with two sides of the connecting plate to be in sliding connection with one side of the support plate, the slide block fixedly connected with one side of the two support rods is in sliding connection with the slide groove formed in one side of the support plate, the precise measurement of the depth is convenient for the workers to better control the drill bit to carry out drilling depth exploration, the clamping groove, the clamping block, the second hydraulic cylinder and the rotating shaft are installed, the clamping block is favorably and movably connected with the corresponding clamping groove by the workers, the rotating shaft movably installed on the inner wall of the clamping groove is favorable for the workers to adjust the angle of the clamping block through the rotation of the connecting shaft, the externally connected power switch for externally controlling the second hydraulic cylinder is opened until the bottom ends of the four second hydraulic cylinders are tightly connected with the ground, the supporting effect of the device is effectively improved, and the device can be controlled by workers to survey the depth of the rock soil better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of a first hydraulic cylinder according to the present invention;
FIG. 4 is a schematic structural diagram of a sliding mechanism according to the present invention;
FIG. 5 is a schematic structural view of the support mechanism of the present invention;
fig. 6 is a schematic structural diagram of the moving mechanism of the present invention.
The reference signs are: 1. a plate body; 11. a first hydraulic cylinder; 12. a connecting plate; 13. a drill bit; 14. a support bar; 2. a sliding mechanism; 21. a support plate; 22. a chute; 23. a slider; 3. a support mechanism; 31. a rotating shaft; 32. a connecting shaft; 33. a card slot; 34. a clamping block; 35. a second hydraulic cylinder; 4. a moving mechanism; 41. a base plate; 42. a groove; 43. a rotating wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the figures 1-6, the invention provides a drilling device for geotechnical engineering investigation for accurately controlling drilling depth, which comprises a plate body 1, wherein the bottom end of the plate body 1 is fixedly connected with a first hydraulic cylinder 11 so as to push a connecting plate 12 to move up and down, the bottom end of the first hydraulic cylinder 11 is fixedly connected with the connecting plate 12, the bottom end of the connecting plate 12 is movably connected with a drill bit 13 so as to survey geology in geotechnical engineering, two sides of the connecting plate 12 are fixedly connected with supporting rods 14, the outer wall of the plate body 1 is fixedly provided with a sliding mechanism 2, the sliding mechanism 2 comprises two supporting plates 21, two sliding chutes 22 and two sliding blocks 23, one sides of the two supporting plates 21 are fixedly connected with one side of the corresponding plate body 1, one sides of the two supporting plates 21 are movably connected with one side of the corresponding supporting rods 14, one sides of the two supporting plates 21 are respectively provided with the sliding chutes 22 so as to facilitate the sliding connection of the sliding blocks 23 and the sliding chutes 22, thereby the height of the drill bit 13 is adjusted by the pushing of the first hydraulic cylinder 11, the inner walls of the two sliding grooves 22 are connected with the sliding blocks 23 in a sliding manner, one side of each sliding block 23 is fixedly connected with one side of the corresponding supporting rod 14, the outer walls of the two supporting plates 21 are fixedly provided with the supporting mechanism 3, the supporting mechanism 3 comprises four rotating shafts 31, eight connecting shafts 32, four clamping grooves 33, four clamping blocks 34 and four second hydraulic cylinders 35, the two ends of each rotating shaft 31 are fixedly connected with the connecting shafts 32, the outer annular walls of the eight connecting shafts 32 are movably connected with the four clamping grooves 33, the clamping blocks 34 are conveniently clamped and connected with the clamping grooves 33, so that a worker can transport the device after storing the clamping blocks 34, the outer walls of the four clamping grooves 33 are fixedly connected with the other side of the corresponding supporting plate 21, and the inner walls of the four clamping grooves 33 are movably connected with the outer walls of the corresponding rotating shafts 31, the equal fixedly connected with fixture block 34 of one end of the outer rampart of four pivots 31, the outer wall of four fixture blocks 34 all with the inner wall swing joint who corresponds draw-in groove 33, the equal fixedly connected with second hydraulic cylinder 35 of one side of four fixture blocks 34, the staff of being convenient for passes through external switch control second hydraulic cylinder 35 and external power supply electric connection for the bottom and the ground zonulae occludens of second hydraulic cylinder 35, improve the stability that device and ground are connected, the drill bit 13 of being convenient for surveys rock geology better.
Preferably, the first hydraulic cylinder 11 and the drill bit 13 are electrically connected with an external power supply through an external switch, and the four second hydraulic cylinders 35 are electrically connected with the external power supply through the external switch, so that the operator can better control the device to keep normal operation, and normal use of the equipment is facilitated.
Preferably, the bottom fixed mounting of two backup pads 21 has moving mechanism 4, moving mechanism 4 includes two bottom plates 41, four recesses 42, four runners 43, the top of two bottom plates 41 all with the bottom fixed connection who corresponds backup pad 21, two recesses 42 have all been seted up to the bottom of two bottom plates 41, the equal swing joint of inner wall of four recesses 42 has runner 43, when installation moving mechanism 4 is convenient for the staff to carry the device, better transports it and removes, reduce staff's work burden.
Preferably, the equal fixed mounting in one side of two backup pads 21 has the scale strip, and the outer wall of two scale strips all is scribbled phosphor powder, and the height dimension of two scale strips all aligns with the height dimension who corresponds spout 22, and the installation scale strip is favorable to the staff to know the height dimension that drill bit 13 goes up and down more clearly.
Preferably, the equal fixed mounting of inner wall of two spouts 22 has the silver of being made by the polytetrafluoroethylene material, and the area size of two silver outer wall one sides all matches the setting with the area size of corresponding spout 22 inner wall one side, and it is little to install the silver frictional force of being made by the polytetrafluoroethylene material at the inner wall of spout 22, and produced frictional force when having reduced slider 23 and spout 22 sliding connection greatly degree to reduce the degree of wear of device, extension fixture's life.
Preferably, the area size of two slider 23 outer wall one sides all matches the setting with the area size that corresponds spout 22 inner wall one side, and the length size of two slider 23 outer walls all matches the setting with the degree of depth size that corresponds spout 22 inner wall, and the slider 23 of being convenient for does benefit to the normal use of device at the stable sliding connection of spout 22's inner wall.
Preferably, the length dimension size of the outer rampart of four pivots 31 all matches the setting with the length dimension size that corresponds draw-in groove 33 inner wall, and the pivot 31 of being convenient for is connected in the stable rotation of the inner wall of draw-in groove 33, is favorable to then adjusting the angle of fixture block 34, does benefit to the normal use of device.
Preferably, the size of the area of one side of the inner walls of the four clamping grooves 33 is matched with the size of the area of one side of the outer wall of the corresponding clamping block 34, and the size of the height of the inner walls of the four clamping grooves 33 is matched with the size of the height of the outer wall of the corresponding clamping block 34, so that the clamping grooves 33 and the clamping blocks 34 can be used normally.
Preferably, the equal fixedly connected with centrum in bottom of four second pneumatic cylinders 35, the area size of size on four centrum tops all matches the setting with the area size of size that corresponds second pneumatic cylinder 35 bottom, at the bottom fixedly connected with centrum of second pneumatic cylinder 35, is favorable to further through centrum and ground zonulae occludens to make the stability of device and opposite connection, do benefit to the normal use of device.
Preferably, the outer annular walls at the two ends of the four rotating wheels 43 are coated with lubricating oil, the outer walls of the four rotating wheels 43 are connected with chains in a clamping mode, the lubricating oil is coated, the abrasion degree of the rotating wheels 43 generated by the movable connection of the inner walls of the grooves 42 can be reduced, the chains are mounted, the friction force generated by the rotating wheels 43 and the ground can be improved, and the phenomenon that the device slides in the moving process to affect the carrying of the device is avoided.
The working principle of the invention is as follows: the four clamping blocks 34 are clamped and connected with the corresponding clamping grooves 33, so that the rotating shaft 31 fixedly connected with one end of each clamping block 34 is rotatably connected, the connecting shaft 32 is rotatably connected with the inner wall of the corresponding clamping groove 33, the four clamping blocks 34 are adjusted to be at the optimal angle, the power switch externally controlling the second hydraulic cylinder 35 is turned on, the four second hydraulic cylinders 35 are driven by the external power supply until the bottom ends of the four second hydraulic cylinders 35 are tightly connected with the corresponding external ground, the power switch externally controlling the first hydraulic cylinder 11 is turned on, the first hydraulic cylinder 11 is driven by the power supply to push the connecting plate 12 to move downwards, the supporting rods 14 fixedly connected with two sides of the connecting plate 12 are slidably connected with one side of the corresponding supporting plate 21, and the sliding blocks 23 fixedly connected with one side of the two supporting rods 14 are slidably connected with the corresponding sliding grooves 22, so that the staff of being convenient for adjusts the height of drill bit 13, do benefit to the more accurate control drilling depth of device, the normal use of the device of being convenient for.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a drilling rig for geotechnical engineering investigation of accurate control drilling depth, includes plate body (1), its characterized in that: the bottom end of the plate body (1) is fixedly connected with a first hydraulic cylinder (11), the bottom end of the first hydraulic cylinder (11) is fixedly connected with a connecting plate (12), the bottom end of the connecting plate (12) is movably connected with a drill bit (13), two supporting rods (14) are fixedly connected to two sides of the connecting plate (12), a sliding mechanism (2) is fixedly mounted on the outer wall of the plate body (1), the sliding mechanism (2) comprises two supporting plates (21), two sliding grooves (22) and two sliding blocks (23), one side of each of the two supporting plates (21) is fixedly connected with one side of the corresponding plate body (1), one side of each of the two supporting plates (21) is movably connected with one side of the corresponding supporting rod (14), each of the two supporting plates (21) is provided with a sliding groove (22), and the inner walls of the two sliding grooves (22) are both slidably connected with a sliding block (23), one side of each of the two sliding blocks (23) is fixedly connected with one side of the corresponding supporting rod (14), a supporting mechanism (3) is fixedly installed on the outer wall of each of the two supporting plates (21), each supporting mechanism (3) comprises four rotating shafts (31), eight connecting shafts (32), four clamping grooves (33), four clamping blocks (34) and four second hydraulic cylinders (35), the two ends of each rotating shaft (31) are fixedly connected with the connecting shafts (32), the outer annular walls of the eight connecting shafts (32) are movably connected with the four clamping grooves (33), the outer walls of the four clamping grooves (33) are fixedly connected with the other side of the corresponding supporting plate (21), the inner walls of the four clamping grooves (33) are movably connected with the outer wall of the corresponding rotating shaft (31), one ends of the outer annular walls of the four rotating shafts (31) are fixedly connected with the clamping blocks (34), and the outer walls of the four clamping blocks (34) are movably connected with the inner walls of the corresponding clamping grooves (33), one side of each of the four clamping blocks (34) is fixedly connected with a second hydraulic cylinder (35).
2. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: the first hydraulic cylinder (11) and the drill bit (13) are electrically connected with an external power supply through an external switch, and the second hydraulic cylinder (35) is electrically connected with the external power supply through an external switch.
3. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: two the bottom fixed mounting of backup pad (21) has moving mechanism (4), moving mechanism (4) include two bottom plates (41), four recess (42), four runner (43), two the top of bottom plate (41) all with the bottom fixed connection who corresponds backup pad (21), two recess (42), four have all been seted up to the bottom of bottom plate (41) the equal swing joint in inner wall of recess (42) has runner (43).
4. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: two equal fixed mounting in one side of backup pad (21) has the scale strip, two the outer wall of scale strip all is scribbled phosphor powder, two the height dimension of scale strip all aligns with the height dimension who corresponds spout (22).
5. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: the inner walls of the two sliding grooves (22) are fixedly provided with cotton slivers made of polytetrafluoroethylene materials, and the area size of one side of the outer wall of each cotton sliver is matched with the area size of one side of the inner wall of the corresponding sliding groove (22).
6. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: two the area size of slider (23) outer wall one side all matches the setting with the area size that corresponds spout (22) inner wall one side, two the length size of slider (23) outer wall all matches the setting with the degree of depth size that corresponds spout (22) inner wall.
7. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: the length dimension of the outer annular wall of each of the four rotating shafts (31) is matched with the length dimension of the inner wall of the corresponding clamping groove (33).
8. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: four the area size of draw-in groove (33) inner wall one side all matches the setting with the area size of corresponding fixture block (34) outer wall one side, four the height dimension size of draw-in groove (33) inner wall all matches the setting with the height dimension size of corresponding fixture block (34) outer wall.
9. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 1, wherein: the bottom ends of the four second hydraulic cylinders (35) are fixedly connected with vertebral bodies, and the size of the area of the top ends of the vertebral bodies is matched with the size of the area of the bottom ends of the corresponding second hydraulic cylinders (35).
10. The drilling apparatus for geotechnical investigation of accurate control drilling depth according to claim 3, wherein: the outer ring walls at the two ends of the four rotating wheels (43) are coated with lubricating oil, and the outer walls of the four rotating wheels (43) are connected with chains in a clamping mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153036.XA CN113982477B (en) | 2021-09-29 | 2021-09-29 | Drilling device for geotechnical engineering investigation capable of accurately controlling drilling depth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153036.XA CN113982477B (en) | 2021-09-29 | 2021-09-29 | Drilling device for geotechnical engineering investigation capable of accurately controlling drilling depth |
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| CN113982477A true CN113982477A (en) | 2022-01-28 |
| CN113982477B CN113982477B (en) | 2024-02-23 |
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| CN113982477B (en) | 2024-02-23 |
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