CN214584195U - Drill rod for sample collection and comprehensive sample collection device - Google Patents

Drill rod for sample collection and comprehensive sample collection device Download PDF

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Publication number
CN214584195U
CN214584195U CN202120861440.1U CN202120861440U CN214584195U CN 214584195 U CN214584195 U CN 214584195U CN 202120861440 U CN202120861440 U CN 202120861440U CN 214584195 U CN214584195 U CN 214584195U
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China
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drill rod
drill
support
pipe
sample
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CN202120861440.1U
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Inventor
梁胜跃
陈�峰
徐明钻
刘建东
徐辉
贺淑燕
罗传根
郑宏
赵倩
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GEOLOGICAL EXPLORATION TECHNOLOGY INSTITUTE OF JIANGSU PROVINCE
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GEOLOGICAL EXPLORATION TECHNOLOGY INSTITUTE OF JIANGSU PROVINCE
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Abstract

The utility model belongs to the technical field of gather, concretely relates to sample is drilling rod and comprehensive sample collection device for collection. The device comprises: the drill rod main shaft is used for driving a drill rod to drill a sample; the upper end of the drill rod outer pipe is connected with the lower end of the drill rod main shaft, and a drill rod inner pipe is arranged in the drill rod outer pipe; the drill bit is arranged at the lower end of the outer pipe of the drill rod, the head of the drill bit is in a sawtooth shape, a through hole is formed in the middle of the drill bit, and the through hole is communicated with the inner pipe of the drill rod so as to send a drilled sample into the inner pipe of the drill rod for collection. This collection system is synthesized with drilling rod and sample to sample collection can compromise the automatic collection of soft sample and stereoplasm sample under water to can prevent effectively that the sample from spilling, can satisfy the sampling demand of the multiple sampling medium of soil, water, gas, the adaptability of sampling is stronger.

Description

Drill rod for sample collection and comprehensive sample collection device
Technical Field
The utility model belongs to the technical field of gather, concretely relates to sample is drilling rod, comprehensive sample collection device for collection.
Background
The geochemical sampling of a water area is one of main working means of marine geological investigation and hydrogeological investigation, has great significance in the aspects of reasonable development and utilization of marine resources, water resource management, environmental protection, ecological construction and the like, and underwater samples (soft mud samples, soft rock samples and water samples) are basic work of the hydrogeological investigation. Most of the existing sampling devices have weak capacity in the aspect of sampling soft rock samples, and the sampling depth of sampling equipment is shallow, so that the requirements of geological survey in deep water areas are difficult to meet.
Based on the above problems, there is a need to design a collecting device which can take into account the collection of soft mud samples and soft rock samples and can go deep into the water bottom.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drilling rod, comprehensive sample collection device for sample collection realizes that soft or hard sample, water sample all can be gathered to can go deep into submarine function.
In order to solve the technical problem, the utility model provides a drill rod for sample collection and a comprehensive sample collection device, wherein the drill rod for sample collection comprises a drill rod main shaft which is used for driving the drill rod to drill a sample; the upper end of the drill rod outer pipe is connected with the lower end of the drill rod main shaft, and a drill rod inner pipe is arranged in the drill rod outer pipe; the drill bit is arranged at the lower end of the outer pipe of the drill rod, the head of the drill bit is in a sawtooth shape, a through hole is formed in the middle of the drill bit, and the through hole is communicated with the inner pipe of the drill rod so as to send a drilled sample into the inner pipe of the drill rod for collection.
Further, the outer part of the outer pipe of the drill rod is provided with outer pipe threads; the drill rod inner pipe comprises a drill rod outer pipe, an inner pipe upper limiter, an inner pipe lower limiter, a drain hole, a bottom tooth buckle and a plurality of elastic sheets, wherein the inner top end of the drill rod outer pipe is provided with the inner pipe upper limiter, the inner bottom end of the drill rod outer pipe is provided with the inner pipe lower limiter so as to limit the drill rod inner pipe vertically and prevent the inner pipe from sliding off, the top of the inner wall of the drill rod inner pipe is provided with the drain hole, the bottom of the inner wall of the drill rod inner pipe is provided with the bottom tooth buckle, the drill rod inner pipe is of an inverted funnel-shaped structure formed by the plurality of elastic sheets in a surrounding mode, and gaps are reserved between the adjacent elastic sheets.
Furthermore, the inner tube upper limiting device and the inner tube lower limiting device are one-way rings, so that the inner tube does not rotate along with the outer tube during drilling.
Further, the drill rod further comprises: the main shaft thread is arranged on the outer wall of the drill rod main shaft; a rotating machine in threaded fit with the main shaft; and a main shaft limiter positioned at the top of the drill rod main shaft.
In another aspect, the present invention provides an integrated sample collection device, comprising the above-mentioned drill rod; the support is a conical structure formed by a support bottom ring and a plurality of support rods, and the upper end of the support is provided with a cylindrical ring for bearing a rotating machine matched with the drill rod main shaft.
Furthermore, bottom ring sawteeth are arranged at the bottom end of the bottom ring of the bracket and are used for inserting a sample to fix the collecting device; be provided with on the support and shield cover subassembly, shelter from drilling rod outer tube and drill bit when the sampling.
Furthermore, a support ring for a shielding cover is arranged on the support, and a plurality of support rods, a support bottom ring and the support ring form a plurality of shielding areas; the upper ends of all the shielding parts in the shielding cover assembly converge at a rotating shaft, the rotating shaft is meshed with a gear positioned on a main shaft of the drill rod, and all the shielding parts are respectively positioned in corresponding shielding areas and adopt a sector folding design; when the rotating machine drives the drill rod main shaft to rotate, the gear drives the rotating shaft to drive the shielding piece to open along the shielding area, and the drill rod main shaft drives the gear to descend to be separated from the rotating shaft after the shielding cover is formed on the support.
Furthermore, the shielding cover comprises a horizontal part between the support ring and the rotating shaft, and one side of the horizontal part, which is close to the support ring, is in sliding fit with the track groove of the support ring through a pulley; and the inclined part between the support ring and the bracket bottom ring is in sliding fit with the track groove of the bracket bottom ring through the pulley at one side close to the bracket bottom ring.
Furthermore, the comprehensive sample collecting device also comprises a plurality of T-shaped rods connected with the cylindrical ring and the upper part of the support ring and used for being matched with the shielding cover assembly to commonly open the shielding cover; and the plurality of rotating connecting rods are connected with the rotating shaft, the pulley of the horizontal part and the pulley of the inclined part in each shielding area, are triangular and are used for driving the pulleys of the horizontal part and the pulleys of the inclined part of each shielding area to synchronously and axially rotate.
Further, the integrated sample collection device further comprises: a rope tied on the cylindrical ring for lowering or hoisting the comprehensive sample collecting device; the water pumping pipe is fixed with the rope and is used for collecting a water sample; a shower nozzle positioned at the water pumping end of the water pumping pipe.
The beneficial effects of the utility model are that, the utility model provides a synthesize sample collection system can realize the normal position of submarine soft sample, stereoplasm sample and the normal position of water sample is gathered in succession to be furnished with the pollution that the shield cover prevented other position appearance bodies, the working range of waters geological survey, marine geological survey work can very big be widened, work efficiency is promoted.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the drill rod for collection of the present invention;
fig. 2 is a schematic view of the integrated sample collecting device of the present invention.
Fig. 3 is a schematic view of the integrated sample collection device of the present invention with the shield removed.
In the figure:
the drill rod main shaft 1, the main shaft limiter 11, the gear 12 and the main shaft thread 1a;
the drill rod comprises a drill rod outer pipe 2, an inner pipe upper limiter 21, an inner pipe lower limiter 22 and outer pipe threads 2 a;
the inner pipe 3 of the drill rod and a bottom tooth buckle 31;
a drill 4;
a rotating machine 5;
a water pumping pipe 6 and a shower nozzle 61;
the support 7, a support bottom ring 71, bottom ring sawteeth 71a, a support rod 72, a cylindrical ring 73, a support ring 74 and a T-shaped rod 75;
a shield cover assembly 8, a rotation shaft 81, a shield cover 82, a horizontal portion 821, an inclined portion 822, a rotation link 83;
a rope 9.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a drill rod for harvesting, which may include:
the drill rod main shaft 1 is used for driving a drill rod to drill a sample;
the upper end of the drill rod outer pipe 2 is connected with the lower end of the drill rod main shaft 1, and a drill rod inner pipe 3 is arranged in the drill rod outer pipe;
the drill bit 4 is arranged at the lower end of the outer drill pipe 2, the head of the drill bit is in a sawtooth shape, a through hole is formed in the middle of the drill pipe, and the through hole is communicated with the inner drill pipe 3 so as to send a drilled sample into the inner drill pipe 3 for collection.
The drilling rod for sample collection that this embodiment relates can compromise the automatic collection of soft sample and stereoplasm sample to can prevent effectively that the sample from spilling, can satisfy the sampling demand of the multiple sampling medium of soil, water, gas, the adaptability of sampling is stronger.
In this embodiment, the top end inside the outer drill pipe 2 is provided with an inner pipe upper stopper 21, the bottom end inside the outer drill pipe 2 is provided with an inner pipe lower stopper 22, so as to vertically limit the inner drill pipe 3 and prevent the inner pipe from sliding off, and the inner pipe upper stopper 21 and the inner pipe lower stopper 22 can adopt one-way rings, so as to ensure that the inner pipe does not rotate along with the outer pipe during drilling; the top of the inner pipe 3 of the drill rod is provided with a drain hole, the bottom of the inner wall is provided with a bottom tooth buckle 31 which is an inverted funnel-shaped structure formed by a plurality of elastic sheets in a surrounding way, and a gap is reserved between every two adjacent elastic sheets; the tooth buckle opening of the drill rod can be opened under the sample jacking force in the drilling process so that a sample can enter the inner pipe 3 of the drill rod, seawater in the inner pipe is discharged through the top drain hole, and the tooth buckle is downward in a closed state due to the gravity of the sample after the sample is collected so as to collect and store the sample.
The collecting device can greatly improve the positive downward pressure during drilling by screwing outside the outer pipe 2 of the drill rod, and improve the soil breaking and rock breaking capacity and the drilling rate; the collected sample is prevented from leaking out by the bottom toothing 31 of the inner tube.
As shown in fig. 2 and 3, the present embodiment also provides an integrated sample collection device, which may include: the collecting drill rod, the rotating machine 5, the bracket 7 and the shielding cover assembly 8. The rotating machine 5 is matched with the main shaft thread 1a, the rotating machine 5 can be driven by a cable or self electricity, and the top of the drill rod main shaft 1 is provided with a main shaft stopper 11 for preventing a drill rod from sliding off.
The support 7 is a conical structure formed by a support bottom ring 71 and a plurality of support rods 72, a cylindrical ring 73 is arranged at the upper end of the support and used for bearing the rotating machine 5 matched with the drill rod spindle 1, and specifically, the rotating machine 5 can be arranged inside the cylindrical ring 73; bottom ring sawtooth 71a is arranged at the bottom end of the bottom ring 71 of the support, and the bottom ring is inserted into a sampling position to fix the collecting device by means of self gravity, so that the collecting device is prevented from rotating and slipping.
Be provided with on the support 7 and shield cover subassembly 8, can prevent other position sample interferences when gathering the sample.
The specific embodiment of the shadow mask assembly 8 is as follows: the support 7 is provided with a support ring 74 for a shielding cover, a plurality of support rods 72, a support bottom ring 71 and the support ring 74 form a plurality of shielding areas, the upper ends of the shielding parts in the shielding cover assembly 8 converge at a rotating shaft 81, the rotating shaft 81 is meshed with the gear 12 welded on the drill rod spindle 1, the shielding parts are respectively positioned in the corresponding shielding areas, the shielding parts adopt a sector folding design, when the rotating machine 5 drives the drill rod spindle 1 to rotate, the gear 12 drives the rotating shaft 81 to drive the shielding parts to open along the shielding areas, and the drill rod spindle 1 drives the gear 12 to descend to be separated from the rotating shaft 81 after the shielding cover 82 is formed on the support. After the sample collection is completed, the drill rod spindle 1 rotates reversely, the gear 12 drives the rotating shaft 81 to rotate upwards, and then the shielding cover 82 is driven to retract.
The shield cover 82 includes: a horizontal part 821 between the support ring 74 and the rotating shaft 81, one side of which close to the support ring 74 is matched with the track groove of the support ring 74 through a pulley; the inclined portion 822 between the support ring 74 and the holder base ring 71 is engaged with the track groove of the holder base ring 71 through a pulley on the side close to the holder base ring 71.
The collection system further comprises: the T-shaped rods 75 connected with the cylindrical ring 73 and the upper part of the support ring 74 and the support rod 72 form the non-rotating end of the shielding cover 82 together, and the shielding cover 82 is opened by matching with the rotating connecting rod 83 of the shielding cover component; and a plurality of rotating links 83 connected to the rotating shaft 81, the pulley of the horizontal part 821 and the pulley of the inclined part 822 in each shielding region, wherein the rotating links 83 are triangular and used for driving the pulleys of the horizontal part 821 and the inclined part 822 of each shielding region to synchronously rotate axially.
The integrated sample collection device may further comprise: a rope 9 attached to the cylindrical ring 73 for lowering or hoisting the device; the water pumping pipe 6 is fixed with the rope 9 and the T-shaped rod and is used for collecting water samples; a shower nozzle 61 at the water drawing end of the water drawing pipe 6 for preventing the water pipe from being clogged by the sucked large particles or fish and shrimp.
This synthesize sample collection system can also be used to gaseous sampling under water, and after the corresponding gas collection device of cooperation, can carry out gas analysis with the gaseous separation out of the aquatic that the water pipe 6 obtained that draws water.
The integrated sample collection device may further comprise: the camera is fixed on the bracket 7 and used for observing the state of the instrument and equipment in the sampling process; and a sonar positioning device fixed on the support 7 and used for acquiring sampling coordinates.
To sum up, this embodiment provides a drilling rod, comprehensive sample collection device for sample collection, realizes soft or stereoplasm sample collection through the drilling rod for sample collection that shows, through pumping pipe 6 realize water sample collection, realize getting rid of other position sample interferences through shielding cover subassembly 8, can reach the deep water area through rope 9 to realize the normal position of submarine soft sample, stereoplasm sample and the normal position of water sample and gather in succession.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A drill rod for sample collection, comprising:
the drill rod main shaft (1) is used for driving a drill rod to drill a sample;
the upper end of the drill rod outer pipe (2) is connected with the lower end of the drill rod main shaft (1), and a drill rod inner pipe (3) is arranged in the drill rod outer pipe;
the drill bit (4) is arranged at the lower end of the drill rod outer pipe (2), the head of the drill bit is in a sawtooth shape, a through hole is formed in the middle of the drill rod outer pipe, and the through hole is communicated with the drill rod inner pipe (3) so as to send a drilled sample into the drill rod inner pipe (3) for collection.
2. The drill rod of claim 1,
the outer part of the outer pipe (2) of the drill rod is provided with an outer pipe thread (2 a);
an inner tube upper limiter (21) is arranged at the top end of the inner part of the outer drill rod tube (2), an inner tube lower limiter (22) is arranged at the bottom end of the inner part of the outer drill rod tube to vertically limit the inner drill rod tube (3) and prevent the inner tube from sliding off, and
the top of the inner wall of the drill pipe inner pipe (3) is provided with a drain hole, the bottom of the inner wall is provided with a bottom tooth buckle (31) which is an inverted funnel-shaped structure formed by a plurality of elastic sheets, and a gap is reserved between every two adjacent elastic sheets.
3. The drill rod of claim 2,
the inner tube upper limiting device (21) and the inner tube lower limiting device (22) are one-way rings, so that the inner tube does not rotate along with the outer tube during drilling.
4. The drill rod of claim 1,
the drill rod further comprises:
a main shaft thread (1a) arranged on the outer wall of the drill rod main shaft (1);
a rotating machine (5) matched with the main shaft thread (1 a); and
and the main shaft limiter (11) is positioned at the top of the drill rod main shaft.
5. An integrated sample collection device, comprising
The drill pipe of claim 1;
the support (7) is a conical structure formed by a support bottom ring (71) and a plurality of support rods (72), and the upper end of the support is provided with a cylindrical ring (73) used for bearing a rotating machine (5) matched with the drill rod main shaft (1).
6. The integrated sample collection device of claim 5,
the bottom end of the bracket bottom ring (71) is provided with bottom ring sawteeth (71 a) which are used for inserting a sample to fix the collecting device;
and a shielding cover component (8) is arranged on the support (7) and shields the drill rod outer pipe (2) and the drill bit (4) during sampling.
7. The integrated sample collection device of claim 6,
a support ring (74) for a shielding cover is arranged on the support (7), and a plurality of shielding areas are formed by the plurality of support rods (72), the support bottom ring (71) and the support ring (74);
the upper ends of all shielding parts in the shielding cover component (8) converge at a rotating shaft (81), the rotating shaft (81) is meshed with a gear (12) positioned on a drill rod spindle (1), and all shielding parts are respectively positioned in corresponding shielding areas and adopt a sector folding design;
when the rotating machine (5) drives the drill rod main shaft (1) to rotate, the gear (12) drives the rotating shaft (81) to drive the shielding piece to open along the shielding area, and after the shielding cover (82) is formed on the support, the drill rod main shaft (1) drives the gear (12) to descend to be separated from the rotating shaft (81).
8. The integrated sample collection device of claim 6,
the shield cover (82) includes:
a horizontal part (821) between the support ring (74) and the rotating shaft (81), wherein one side of the horizontal part close to the support ring (74) forms sliding fit with the track groove of the support ring (74) through a pulley; and
and an inclined part (822) between the support ring (74) and the bracket bottom ring (71), wherein one side of the inclined part close to the bracket bottom ring (71) forms sliding fit with a track groove of the bracket bottom ring (71) through a pulley.
9. The integrated sample acquisition device according to claim 6, further comprising:
a plurality of T-shaped rods (75) connected with the upper parts of the cylindrical ring (73) and the support ring (74) and used for cooperating with the shielding cover component (8) to jointly open the shielding cover (82);
and the rotating connecting rods (83) are connected with the rotating shaft (81), the pulley of the horizontal part (821) and the pulley of the inclined part (822) in each shielding area, and the rotating connecting rods (83) are triangular and are used for driving the pulley of the horizontal part (821) and the pulley of the inclined part (822) of each shielding area to synchronously and axially rotate.
10. The integrated sample acquisition device according to claim 5, further comprising:
a rope (9) attached to the cylindrical ring (73) for lowering or lifting the integrated sample collection device;
a water pumping pipe (6) fixed with the rope (9) and used for collecting water samples;
a shower nozzle (61) positioned at the water pumping end of the water pumping pipe (6).
CN202120861440.1U 2021-04-25 2021-04-25 Drill rod for sample collection and comprehensive sample collection device Active CN214584195U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113155522A (en) * 2021-04-25 2021-07-23 江苏省地质勘查技术院 Drill rod for sample collection, comprehensive sample collection device and working method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113155522A (en) * 2021-04-25 2021-07-23 江苏省地质勘查技术院 Drill rod for sample collection, comprehensive sample collection device and working method thereof

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