CN211874431U - Water-proof rock-soil core drill - Google Patents
Water-proof rock-soil core drill Download PDFInfo
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- CN211874431U CN211874431U CN202020357042.1U CN202020357042U CN211874431U CN 211874431 U CN211874431 U CN 211874431U CN 202020357042 U CN202020357042 U CN 202020357042U CN 211874431 U CN211874431 U CN 211874431U
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- drill pipe
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- drill
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Abstract
The utility model relates to a water proof rock-soil core drilling tool, which comprises a drill pipe for drilling a rock core, wherein a case is arranged on the drill pipe, the case is rotationally connected with the drill pipe, and a driving device for driving the drill pipe to rotate and an ejection device for ejecting the rock core in the drill pipe are also arranged on the case; the ejection device comprises a hydraulic cylinder fixed on the case, a rotating block rotatably connected to the end part of a piston rod of the hydraulic cylinder, a core pushing block slidably connected in the drill pipe and a pushing rod, wherein two ends of the pushing rod are respectively fixed with the core pushing block and the rotating block, and the core pushing block is arranged at the top of the drill pipe. The utility model discloses its effect that has automatic ejecting core, the operation degree of difficulty is little.
Description
Technical Field
The utility model belongs to the technical field of the technique of building and specifically relates to a water proof ground core drill.
Background
Rock and soil are the general name to rock and soil, and in the engineering, in order to ensure the support performance in construction site, the rock and soil composition in the place needs to be analyzed, therefore needs to carry out coring operation to the rock and soil, and traditional rock and soil coring mainly adopts ordinary drilling tool to carry out simple extraction. At present, chinese utility model patent that publication number is CN203559837U discloses a core structure is got with drilling tool, first pipe and second pipe including upper and lower lock connection, the both ends of first pipe and second pipe are provided with the external screw thread respectively, the bottom both sides edge of first pipe is provided with a plurality of protrusion structures at the interval respectively, the upper portion both sides edge of second pipe is provided with inward bending structure at the interval respectively, one side of bending structure is opened there is the groove structure with protrusion structure matched with.
The above prior art solutions have the following drawbacks: when the drill tool takes out the rock core, the upper half pipe and the lower half pipe need to be separated, and the rock core, the lower half pipe and the upper half pipe have larger friction, so that the operation difficulty is high.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a water proof ground core drill, its effect that has automatic ejecting rock core, the operation degree of difficulty is little.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a core drilling tool for water-proof rock and soil comprises a drill pipe for drilling a core, wherein a case is arranged on the drill pipe and is rotationally connected with the drill pipe, and a driving device for driving the drill pipe to rotate and an ejection device for ejecting the core in the drill pipe are also arranged on the case; the ejection device comprises a hydraulic cylinder fixed on the case, a rotating block rotatably connected to the end part of a piston rod of the hydraulic cylinder, a core pushing block slidably connected in the drill pipe and a pushing rod, wherein two ends of the pushing rod are respectively fixed with the core pushing block and the rotating block, and the core pushing block is arranged at the top of the drill pipe.
Through adopting above-mentioned technical scheme, when boring and get the core, this drilling tool sets up in subaerial, and the drill pipe impresses in the ground, then the machine case moves down and drive arrangement drive drill pipe rotates to make the drill pipe constantly penetrate in the ground, make and form cylindric core in the drill pipe, when treating the drill pipe and take out, the pneumatic cylinder on the machine case starts, has driven through turning block and catch bar and has pushed away the core piece and move down, thereby make the core in the drill pipe release the drill pipe, avoid the manual operation of taking out the core of operating personnel, the operation degree of difficulty is little.
The present invention may be further configured in a preferred embodiment as: a limiting plate is arranged at the upper end of the drill pipe, the limiting plate is fixed with the inner wall of the drill pipe, and the upper surface of the limiting plate is flush with the upper end of the drill pipe; and the upper surface of the limiting plate is provided with a through hole for the pushing rod to pass through.
Through adopting above-mentioned technical scheme, the setting of limiting plate has prevented to push away the pellet and has broken away from the heart of a drill upper end.
The present invention may be further configured in a preferred embodiment as: the upper end of the drill pipe penetrates through the bottom surface of the case and is positioned in the case, and the drill pipe is rotatably connected with the case; the driving device comprises an outer gear ring arranged in the case, a driving motor fixedly arranged on the case and a driving gear fixed on an output shaft of the driving motor, wherein the outer gear ring is sleeved on the drill pipe and fixed with the outer side wall of the drill pipe, and the driving gear is meshed with the outer gear ring.
Through adopting above-mentioned technical scheme, when driving motor started, driving motor's output shaft drove the driving gear and rotates for the outer ring gear with driving gear meshing rotates, thereby has driven the drill pipe and has rotated, is convenient for the drill pipe to penetrate in the ground.
The present invention may be further configured in a preferred embodiment as: the number of teeth of the outer gear ring is multiple of that of the driving gear.
By adopting the technical scheme, the number of teeth of the outer gear ring is multiple of that of the driving gear, when the driving motor is started, the rotating speed between the driving motor and the drill pipe is reduced, and the torque is increased, so that the load of the driving motor for driving the drill pipe to rotate is reduced, and the driving motor is convenient to select and match.
The present invention may be further configured in a preferred embodiment as: and the outer side wall of the drill pipe is fixedly provided with a helical blade extending along the axis of the drill pipe.
By adopting the technical scheme, when the drill pipe rotates, the helical blade fixed outside the drill pipe rotates, and a vertical acting force exists on the ground when the helical blade rotates, so that the drill pipe can be driven to move downwards to drill into the ground.
The present invention may be further configured in a preferred embodiment as: and a plurality of conical teeth which are distributed along the end surface of the lower end of the drill pipe in a surrounding way are fixed at the lower end of the drill pipe.
Through adopting above-mentioned technical scheme, the setting of toper tooth for when the drill pipe rotated, the toper tooth of drill pipe lower extreme stabbed ground depths, was favorable to the drill pipe to get into ground depths.
The present invention may be further configured in a preferred embodiment as: the conical teeth are conical, the axes of the conical teeth are inclined, and the inclination direction of the tips of the conical teeth is consistent with the spiral rotation direction of the spiral blades.
Through adopting above-mentioned technical scheme, when the drill pipe rotated, the toper tooth rotated along with the rotation of drill pipe, and the incline direction of toper tooth tip was unanimous with helical blade's spiral direction for toper tooth tip constantly pierces ground depths, further strengthens the effect that the drill pipe got into in the ground.
To sum up, the utility model discloses a following at least one useful technological effect:
when the drill pipe is taken out, the hydraulic cylinder on the case is started, and the core pushing block is driven to move downwards through the rotating block and the pushing rod, so that the drill pipe is pushed out by the core in the drill pipe, the operation of manually taking out the core by an operator is avoided, and the operation difficulty is small;
when the drill pipe rotates, the helical blade fixed outside the drill pipe rotates, and a vertical acting force exists on the ground when the helical blade rotates, so that the drill pipe is driven to move downwards to drill into the ground;
when the drill pipe rotates, the conical teeth rotate along with the rotation of the drill pipe, and the inclination direction of the tip ends of the conical teeth is consistent with the spiral rotation direction of the spiral blades, so that the tip ends of the conical teeth continuously penetrate into the deep part of the ground, and the effect of the drill pipe entering the ground is further enhanced.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Figure 2 is a schematic view of the structure of the lower end of a drill pipe.
Reference numerals: 1. a chassis; 2. drilling a pipe; 21. a helical blade; 22. a tapered tooth; 23. a limiting plate; 3. a drive device; 31. a drive motor; 32. a driving gear; 33. an outer ring gear; 4. an ejection device; 41. a hydraulic cylinder; 42. rotating the block; 43. pushing the core block; 44. a push rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a water proof ground core drill, including quick-witted case 1, drill pipe 2, drive arrangement 3 and ejecting device 4. The case 1 is a circular box, the axis of the case 1 is vertical, the case 1 is fixedly installed on an existing core drilling machine, the case 1 is arranged on the upper side of the ground when the core drilling machine drills, and the core drilling machine drives the case 1 to move downwards. The drill pipe 2 is in a barrel shape, two ends of the drill pipe are communicated, and the axis of the drill pipe 2 is superposed with the axis of the case 1. The upper end of the drill pipe 2 penetrates through the bottom surface of the case 1 and penetrates into the case 1, the outer side wall of the drill pipe 2 is rotatably connected with the case 1, and as shown in a combined figure 2, the drill pipe 2 is provided with a helical blade 21 and a conical tooth 22. The helical blade 21 is spirally arranged around the outer side wall of the drill pipe 2, the cross section of the helical blade 21 is semicircular and is fixed with the outer side wall of the drill pipe 2, and the helical axis of the helical blade 21 is superposed with the axis of the drill pipe 2. The conical teeth 22 are conical, the circular end surfaces of the conical teeth are fixed with the bottom surface of the drill pipe 2, the axes of the conical teeth 22 are obliquely arranged, and the oblique direction of the tips of the conical teeth 22 is consistent with the spiral rotating direction of the spiral blades 21. The conical teeth 22 are provided in plural, and the plural conical teeth 22 are uniformly distributed along the lower end opening edge of the drill pipe 2, so that on the lower end face of the drill pipe 2, the plural conical teeth 22 are arranged rotationally symmetrically around the axis of the drill pipe 2.
Referring to fig. 1, the driving device 3 includes a driving motor 31, a driving gear 32 and an outer gear 33, the driving motor 31 is a servo motor and is fixedly installed on the outer sidewall of the chassis 1, an output shaft of the driving motor 31 penetrates through the outer sidewall of the chassis 1 and penetrates into the chassis 1, and the driving gear 32 is a bevel gear and is disposed in the chassis 1 and fixed with the output shaft of the driving motor 31. The outer gear ring 33 is arranged in the case 1, the outer gear ring 33 is a bevel gear ring, the outer gear ring is sleeved at the upper end of the drill pipe 2 and fixed with the outer side wall of the drill pipe 2, the outer gear ring 33 is meshed with the driving gear 32, when the driving motor 31 is started, the output shaft of the driving motor 31 rotates to drive the driving gear 32 and the outer gear ring 33 to rotate, so that the drill pipe 2 is driven to rotate, and in addition, the rotation direction of the drill pipe 2 is the same as the spiral rotation direction of the spiral blades 21.
Referring to fig. 1, the ejection device 4 includes a hydraulic cylinder 41, a rotating block 42, a core pushing block 43 and a pushing rod 44, the hydraulic cylinder 41 is fixedly installed at the center of the upper surface of the chassis 1, a piston rod of the hydraulic cylinder 41 penetrates through the chassis 1 and into the chassis 1, the rotating block 42 is in a circular block shape, the axis of the rotating block coincides with the axis of the chassis 1, the rotating block 42 is arranged in the chassis 1, and the upper surface of the rotating block 42 is rotatably connected with the end of the piston rod of the hydraulic cylinder 41. The core pushing block 43 is a circular block, is arranged in the drill pipe 2 and is positioned at the upper end of the drill pipe 2, the arc-shaped side wall of the core pushing block 43 is in sliding fit with the inner side wall of the drill pipe 2, and the side wall of the core pushing block 43 is movably sealed with the inner side wall of the drill pipe 2. The limiting plate 23 is arranged at the upper end of the drill pipe 2, the limiting plate 23 is in a circular plate shape and is arranged in the drill pipe 2, and the upper surface of the limiting plate 23 is flush with the end face of the upper end of the drill pipe 2. The side wall of the limiting plate 23 is fixed with the inner side wall of the drill pipe 2, a through hole is formed in the center of the upper surface of the limiting plate 23, and an opening of the through hole is circular. The pushing rod 44 is a round rod, the axis of the pushing rod is overlapped with the rotating axis of the rotating block 42, the upper end of the pushing rod 44 is fixed with the center of the bottom surface of the rotating block 42, and the lower end of the pushing rod 44 penetrates through the through hole to penetrate into the drill pipe 2 and is fixed with the upper surface of the pushing block 43. When the hydraulic cylinder 41 is started, the piston rod of the hydraulic cylinder 41 moves downwards, which drives the rotating block 42 and the pushing rod 44 to move downwards, which drives the pushing block 43 to move downwards, so that the core in the drill pipe 2 is pushed out of the drill pipe 2.
The implementation principle of the embodiment is as follows: when a core is drilled, the drilling tool is arranged on the ground, the core drilling machine drives the drill pipe 2 to be pressed into the ground, then the case 1 moves downwards, the driving device 3 drives the drill pipe 2 to rotate, so that the drill pipe 2 continuously penetrates into the ground, cylindrical cores are formed in the drill pipe 2, when the drill pipe 2 is taken out, the hydraulic cylinder 41 on the case 1 is started, the rotating block 42 and the push rod 44 drive the push block 43 to move downwards, so that the cores in the drill pipe 2 are pushed out of the drill pipe 2, the operation of manually taking out the cores by an operator is avoided, and the operation difficulty is low.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a water proof ground core drill tool, includes drill pipe (2) that are used for boring the core, its characterized in that: a case (1) is arranged on the drill pipe (2), the case (1) is rotatably connected with the drill pipe (2), and a driving device (3) for driving the drill pipe (2) to rotate and an ejection device (4) for ejecting a core in the drill pipe (2) are further arranged on the case (1); the ejection device (4) comprises a hydraulic cylinder (41) fixed on the case (1), a rotating block (42) rotationally connected to the end part of a piston rod of the hydraulic cylinder (41), a pushing block (43) and a pushing rod (44) which are slidably connected into the drill pipe (2), wherein two ends of the pushing rod (44) are respectively fixed with the pushing block (43) and the rotating block (42), and the pushing block (43) is arranged at the top of the drill pipe (2).
2. The core drill for water-resisting rock-soil according to claim 1, wherein: a limiting plate (23) is arranged at the upper end of the drill pipe (2), the limiting plate (23) is fixed with the inner wall of the drill pipe (2), and the upper surface of the limiting plate (23) is flush with the upper end of the drill pipe (2); the upper surface of the limiting plate (23) is provided with a through hole for the pushing rod (44) to pass through.
3. The core drill for water-resisting rock-soil according to claim 1, wherein: the upper end of the drill pipe (2) penetrates through the bottom surface of the case (1) and is positioned in the case (1), and the drill pipe (2) is rotatably connected with the case (1); drive arrangement (3) including set up in outer ring gear (33), fixed mounting in quick-witted case (1) and driving motor (31) on quick-witted case (1) and be fixed in driving gear (32) on driving motor (31) output shaft, outer ring gear (33) cover is located on drill pipe (2) and fixed with drill pipe (2) lateral wall, just driving gear (32) with outer ring gear (33) meshing.
4. The core drill for water-resisting rock-soil according to claim 3, wherein: the number of teeth of the outer gear ring (33) is multiple of that of the driving gear (32).
5. The core drill for water-resisting rock-soil according to claim 1, wherein: and a helical blade (21) extending along the axis of the drill pipe (2) is fixed on the outer side wall of the drill pipe (2).
6. The core drill for water-resisting rock-soil according to claim 5, wherein: the lower end of the drill pipe (2) is fixed with a plurality of conical teeth (22) which are distributed along the end surface of the lower end of the drill pipe (2) in a surrounding way.
7. The core drill for water-resisting rock-soil according to claim 6, wherein: the conical teeth (22) are conical, the axes of the conical teeth (22) are inclined, and the inclination direction of the tips of the conical teeth (22) is consistent with the spiral rotation direction of the spiral blades (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357042.1U CN211874431U (en) | 2020-03-19 | 2020-03-19 | Water-proof rock-soil core drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357042.1U CN211874431U (en) | 2020-03-19 | 2020-03-19 | Water-proof rock-soil core drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874431U true CN211874431U (en) | 2020-11-06 |
Family
ID=73258199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020357042.1U Expired - Fee Related CN211874431U (en) | 2020-03-19 | 2020-03-19 | Water-proof rock-soil core drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211874431U (en) |
-
2020
- 2020-03-19 CN CN202020357042.1U patent/CN211874431U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |