CN214096648U - Geological survey is with probing sampling device - Google Patents
Geological survey is with probing sampling device Download PDFInfo
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- CN214096648U CN214096648U CN202022360872.2U CN202022360872U CN214096648U CN 214096648 U CN214096648 U CN 214096648U CN 202022360872 U CN202022360872 U CN 202022360872U CN 214096648 U CN214096648 U CN 214096648U
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Abstract
The utility model discloses a drilling sampling device for geological survey, which relates to the technical field of geological survey equipment and comprises a base and a bracket, wherein a hydraulic oil cylinder is arranged below the bracket, the hydraulic oil cylinder is connected with a pressure sensor, the pressure sensor is connected with a damping spring, a sampling shell is arranged below a drill rod, and a sampling inner cylinder is fixedly arranged in the sampling shell; the utility model can detect the rebound force received by the drill bit in real time by arranging the damping spring, the pressure sensor and the alarm device, and once the rebound force is larger than a set value, the alarm device sounds to remind the closing device in time, thereby ensuring that the drill bit is not damaged and improving the practicability and the service life of the device; the utility model discloses still adopt sample shell, sample inner tube, drill bit and drilling rod mode of combining together, when probing the sample, this device can take a sample in proper order to the soil or the coal petrography of the different degree of depth simultaneously at the probing in-process to not only reduce the destruction condition to the soil body, effectively shorten the sample time moreover.
Description
Technical Field
The utility model relates to a geological survey equipment technical field, concretely relates to probing sampling device is used in geological survey.
Background
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 existing drilling and sampling device has the advantages that the drilling and sampling are divided into two processes, so that the soil body can be greatly damaged, and on the other hand, the drilling and sampling are respectively carried out, so that the sampling process is more complicated, and the sampling time is longer. In addition, hard rock layers are often encountered in the drilling process, and the device does not have an alarm function, so that drilling is continued, the drill bit is damaged, and the practicability and the service life of the device are reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior art problem, the utility model is provided with the damping spring, the pressure sensor and the alarm device, so that the rebound force received by the drill bit can be detected in real time, once the rebound force is larger than a set value, the alarm device can sound to remind a worker to close the device in time, the drill bit is prevented from being damaged, and the practicability and the service life of the device are improved; simultaneously the utility model discloses a sample shell, sample inner tube, drill bit and drilling rod mode that combines together, when probing the sample, consequently this device can sample in proper order the soil or the coal petrography of the different degree of depth simultaneously at the probing in-process to not only reduce the destruction condition to the soil body, effectively shorten the sample time moreover.
In order to achieve the above effects, the utility model discloses specifically adopt following technical scheme:
a drilling sampling device for geological survey comprises a base and a bracket fixed on the base;
a hydraulic oil cylinder is arranged below a horizontal beam of the bracket and is connected with the bracket through a bolt; the bottom end of the hydraulic cylinder is connected with a pressure sensor through a screw, a damping spring is connected below the pressure sensor through a screw, a lifting cross rod is arranged at the bottom end of the damping spring, the cross rod is connected with the damping spring through a screw, an alarm device is fixedly arranged above the cross rod, and the alarm device is electrically connected with the pressure sensor;
a drill rod penetrates through the middle part of the cross rod, and the upper end of the drill rod is connected with a driving device for driving the drill rod to rotate;
the drill rod is a hollow rod with openings at two ends, a spiral sheet is arranged in the drill rod,
a sampling shell is arranged below the drill rod, a sampling inner cylinder is fixedly arranged in the sampling shell, a sampling outer cavity is formed between the sampling inner cylinder and the sampling shell, a sampling inner cavity is arranged in the sampling inner cylinder, a drill bit is fixedly arranged at the lower end of the sampling shell, a soil inlet is formed in the drill bit and communicated with the sampling outer cavity, and a soil discharge port is formed in the top of the sampling outer cavity;
the lower end of the drill rod is in threaded connection with the upper end of the sampling inner cylinder.
The further scheme is that a sleeve is arranged on the outer side of the damping spring and is in sliding connection with the hydraulic oil cylinder, and the sleeve is connected with the cross rod through a screw.
The further scheme is that guide rails are arranged on two side walls of the upright post of the support, the guide rails are connected with the support through screws, and the guide rails are connected with the cross rod in a sliding mode.
The drilling tool is characterized in that a through hole is formed in the base and is located right below the drill bit.
The sampling device is characterized in that four supporting plates are fixed at the lower end of the sampling inner cylinder, are positioned on the same horizontal plane and are distributed in a cross shape; movable baffles are arranged at the upper parts of the four supporting plates, and one sides of the movable baffles are hinged with the inner wall of the sampling inner cylinder through hinges.
The movable baffle plate is composed of four 90-degree fan-shaped pieces, the arc edges of the four fan-shaped pieces are hinged to the inner wall of the sampling inner cylinder through hinges respectively, and the four fan-shaped pieces form a disc shape in a horizontal closed state.
The further scheme is that an annular check ring is arranged at the lower part of the thread of the sampling inner cylinder, the circumference of the annular check ring is fixedly connected with the inner wall of the sampling inner cylinder, and the inner diameter of the annular check ring is smaller than the outer diameter of the drill rod.
The utility model has the advantages that:
the utility model can detect the rebound force received by the drill bit in real time by arranging the damping spring, the pressure sensor and the alarm device, once the rebound force is larger than a set value, the alarm device can sound to remind the worker to close the device in time, thereby ensuring that the drill bit is not damaged and improving the practicability and the service life of the device;
the utility model discloses a sample shell, sample inner tube, drill bit and drilling rod mode that combines together, when probing the sample, consequently this device can sample in proper order the soil or the coal petrography of the different degree of depth simultaneously at the probing in-process to not only reduce the destruction condition to the soil body, effectively shorten the sample time moreover.
Drawings
Fig. 1 is a schematic structural diagram of a drilling sampling device for geological survey according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a drill rod and a sampling housing according to an embodiment of the present invention;
FIG. 3 is a top view of a support plate and a movable baffle according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a sleeve in an embodiment of the invention;
fig. 5 is a top view of the base in an embodiment of the present invention;
the attached drawings are marked as follows: 1-a base; 10-a through hole; 2-a scaffold; 20-a guide rail; 30-a hydraulic oil cylinder; 31-a pressure sensor; 32-a damping spring; 33-a cross-bar; 34-an alarm device; 35-a sleeve; 40-a drill rod; 400-helical piece; 41-sampling shell; 42-sampling inner cylinder; 43-a sampling outer cavity; 44-sampling lumen; 45-a drill bit; 46-a soil discharge port; 5-a support plate; 6-a sector piece; 7-annular retaining ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, one embodiment of the present invention discloses a drilling sampling device for geological survey, which comprises a base 1 and a bracket 2 fixed on the base 1;
a hydraulic oil cylinder 30 is arranged below a horizontal beam of the bracket 2, and the hydraulic oil cylinder 30 is connected with the bracket 2 through bolts; the bottom end of the hydraulic oil cylinder 30 is connected with a pressure sensor 31 through a screw, a damping spring 32 is connected below the pressure sensor 31 through a screw, a lifting cross rod 33 is arranged at the bottom end of the damping spring 32, the cross rod 33 is connected with the damping spring 32 through a screw, an alarm device 34 is fixedly arranged above the cross rod 33, and the alarm device 34 is electrically connected with the pressure sensor 31;
a drill rod 40 penetrates through the middle part of the cross rod 33, and the upper end of the drill rod 40 is connected with a driving device for driving the drill rod to rotate;
the drill rod 40 is a hollow rod with two open ends, the interior of the drill rod 40 is provided with a spiral sheet 400,
a sampling shell 41 is arranged below the drill rod 40, a sampling inner cylinder 42 is fixedly arranged in the sampling shell 41, a sampling outer cavity 43 is formed between the sampling inner cylinder 42 and the sampling shell 41, a sampling inner cavity 44 is arranged in the sampling inner cylinder 42, a drill bit 45 is fixedly arranged at the lower end of the sampling shell 41, a soil inlet is formed in the drill bit 45 and communicated with the sampling outer cavity 43, and a soil discharge port 46 is formed at the top of the sampling outer cavity 43;
the lower end of the drill rod 40 is connected with the upper end of the sampling inner cylinder 42 in a threaded manner.
In this embodiment, a sleeve 35 is disposed outside the damping spring 32, the sleeve 35 is slidably connected to the hydraulic cylinder 30, and the sleeve 35 is connected to the cross bar 33 by screws. The shock absorbing spring 32 and the pressure sensor 31 are protected by a sleeve 35.
In this embodiment, the two side walls of the upright post of the bracket 2 are provided with guide rails 20, the guide rails 20 are connected with the bracket 2 through screws, and the guide rails 20 are slidably connected with the cross bar 33. The cross bar 33 can be made to slide up and down on the guide rail 20.
In this embodiment, a through hole 10 is formed in the base 1, and the through hole 10 is located directly below the drill 45. The drill bit 45 can smoothly penetrate through the base 1 to enter soil or rock for drilling and sampling.
In this embodiment, four supporting plates 5 are fixed at the lower end of the sampling inner cylinder 42, and the four supporting plates 5 are located on the same horizontal plane and distributed in a cross shape; the upper parts of the four supporting plates 5 are provided with movable baffles, and one sides of the movable baffles are hinged with the inner wall of the sampling inner cylinder 42 through hinges. The fan-shaped pieces 6 above the supporting plate 5 are limited, so that the four fan-shaped pieces 6 can be completely closed after falling down to form a disc.
In the present embodiment, the movable baffle plate is composed of four 90 ° sectors 6, the circular arc edges of the four sectors 6 are respectively hinged to the inner wall of the sampling inner cylinder 42 by hinges, and the four sectors 6 form a disc shape in the horizontally closed state. Soil or rock of sample when conveniently probing back out fan-shaped piece 6 and get into sample inner chamber 44, four fan-shaped pieces 6 can be closed completely when accomplishing the sample and constitute the disc, also can be better seal sample inner chamber 44.
In the embodiment, the lower part of the thread of the sampling inner cylinder 42 is provided with an annular retainer 7, the circumference of the annular retainer 7 is fixedly connected with the inner wall of the sampling inner cylinder 42, and the inner diameter of the annular retainer 7 is smaller than the outer diameter of the drill rod 40. Through setting up annular retaining ring 7 can dismantle the connection in-process to it spacing to drilling rod 40 and sample inner tube 42, guarantee drilling rod 40 and the stability of being connected of sampling inner tube 42.
The utility model discloses the concrete implementation process: when carrying out the probing sample, pass through screw thread fixed connection with drilling rod 40 and sample inner tube 42 earlier, start hydraulic cylinder 30, hydraulic cylinder 30 promotes drill bit 45 downstream of drilling rod 40 below, make drill bit 45 pass through hole 10, drive arrangement drives drilling rod 40 and rotates simultaneously, drilling rod 40 drives drill bit 45 high-speed rotation again and carries out the probing sample to the ground, guide rail 20 can lead spacingly to horizontal pole 33 at the device probing in-process, prevent to walk partially, pressure sensor 31 can the rebound dynamics that real-time detection drill bit 45 received, in case meet when the rebound dynamics is greater than the setting value, alarm device 34 just can sound, in time remind staff closing means, guarantee that drill bit 45 is not damaged, improve device practicality and life. During the downward drilling process of the drill bit 45, the drilled soil or broken coal enters the sampling outer cavity 43 through the soil inlet, the four fan-shaped pieces 6 are upward opened under the lower pressure along with the increasing of the soil amount or broken rock amount, the soil or broken rock in the sampling outer cavity 43 enters the sampling inner cavity 44 at the moment, the soil or rock to be sampled enters the drill rod 40 after the sampling inner cavity 44 is filled with the soil or broken rock along with the continuous drilling, the soil or rock to be sampled entering the drill rod 40 is upward conveyed to the ground due to the continuous rotation of the spiral piece 400 inside the drill rod 40 during the drilling process, when the device is withdrawn to the ground after the sampling is finished, the upward pressure on the lower parts of the four fan-shaped pieces 6 disappears, the soil or broken rock to be sampled in the sampling inner cavity 44 is downward closed under the gravity effect, and finally the four fan-shaped pieces 6 are completely closed under the limiting effect of the supporting plate 5 and then are recovered to form a disc shape, the lower end of the sampling cavity 44 is closed so that when the device is returned to the ground, the worker can sequentially remove the soil or rock in the drill rod 40 and the sampling cavity 44.
Finally, only the specific embodiments of the present invention have been described in detail. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art to the present invention are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (7)
1. A geological survey is with boring sampling device, includes base (1) and fixes support (2) on base (1), its characterized in that:
a hydraulic oil cylinder (30) is arranged below a horizontal beam of the bracket (2), and the hydraulic oil cylinder (30) is connected with the bracket (2) through bolts; the bottom end of the hydraulic oil cylinder (30) is connected with a pressure sensor (31) through a screw, a damping spring (32) is connected below the pressure sensor (31) through a screw, a lifting cross rod (33) is arranged at the bottom end of the damping spring (32), the cross rod (33) is connected with the damping spring (32) through a screw, an alarm device (34) is fixedly arranged above the cross rod (33), and the alarm device (34) is electrically connected with the pressure sensor (31);
a drill rod (40) penetrates through the middle part of the cross rod (33), and the upper end of the drill rod (40) is connected with a driving device for driving the drill rod to rotate;
the drill rod (40) is a hollow rod with openings at two ends, a spiral sheet (400) is arranged inside the drill rod (40),
a sampling shell (41) is arranged below the drill rod (40), a sampling inner cylinder (42) is fixedly arranged in the sampling shell (41), a sampling outer cavity (43) is formed between the sampling inner cylinder (42) and the sampling shell (41), a sampling inner cavity (44) is arranged in the sampling inner cylinder (42), a drill bit (45) is fixedly arranged at the lower end of the sampling shell (41), a soil inlet is formed in the drill bit (45), the soil inlet is communicated with the sampling outer cavity (43), and a soil discharge port (46) is formed in the top of the sampling outer cavity (43);
the lower end of the drill rod (40) is in threaded connection with the upper end of the sampling inner cylinder (42).
2. A drilling sampling device for geological survey according to claim 1, characterized in that:
a sleeve (35) is arranged on the outer side of the damping spring (32), the sleeve (35) is in sliding connection with the hydraulic oil cylinder (30), and the sleeve (35) is connected with the cross rod (33) through a screw.
3. A drilling sampling device for geological survey according to claim 1, characterized in that:
guide rails (20) are arranged on two side walls of the upright post of the support (2), the guide rails (20) are connected with the support (2) through screws, and the guide rails (20) are connected with the cross rod (33) in a sliding mode.
4. A drilling sampling device for geological survey according to claim 1, characterized in that:
a through hole (10) is formed in the base (1), and the through hole (10) is located under the drill bit (45).
5. A drilling sampling device for geological survey according to claim 1, characterized in that:
the lower end of the sampling inner cylinder (42) is fixedly provided with four supporting plates (5), and the four supporting plates (5) are positioned on the same horizontal plane and distributed in a cross shape; the upper parts of the four supporting plates (5) are provided with movable baffles, and one sides of the movable baffles are hinged with the inner wall of the sampling inner cylinder (42) through hinges.
6. A drilling sampling device for geological survey according to claim 5, characterized in that:
the movable baffle plate is composed of four 90-degree fan-shaped pieces (6), the arc edges of the four fan-shaped pieces (6) are hinged to the inner wall of the sampling inner cylinder (42) through hinges respectively, and the four fan-shaped pieces (6) form a disc shape in a horizontal closed state.
7. A drilling sampling device for geological survey according to claim 1, characterized in that:
the lower part of the thread of the sampling inner cylinder (42) is provided with an annular retainer ring (7), the circumference of the annular retainer ring (7) is fixedly connected with the inner wall of the sampling inner cylinder (42), and the inner diameter of the annular retainer ring (7) is smaller than the outer diameter of the drill rod (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360872.2U CN214096648U (en) | 2020-10-21 | 2020-10-21 | Geological survey is with probing sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360872.2U CN214096648U (en) | 2020-10-21 | 2020-10-21 | Geological survey is with probing sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN214096648U true CN214096648U (en) | 2021-08-31 |
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| CN202022360872.2U Active CN214096648U (en) | 2020-10-21 | 2020-10-21 | Geological survey is with probing sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184421A (en) * | 2021-12-14 | 2022-03-15 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Automatic soil sampling device for geological survey |
-
2020
- 2020-10-21 CN CN202022360872.2U patent/CN214096648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184421A (en) * | 2021-12-14 | 2022-03-15 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Automatic soil sampling device for geological survey |
| CN114184421B (en) * | 2021-12-14 | 2023-11-17 | 山东省鲁南地质工程勘察院(山东省地勘局第二地质大队) | Automatic soil sampling device for geological survey |
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