CN219161663U

CN219161663U - Drilling sampling device for shallow investigation of ground surface matrix

Info

Publication number: CN219161663U
Application number: CN202223418401.8U
Authority: CN
Inventors: 王伟; 邢承功; 马创; 张中跃; 韩艺; 韩明浩; 张振
Original assignee: Langfang Natural Resources Comprehensive Survey Center Of China Geological Survey
Current assignee: Langfang Natural Resources Comprehensive Survey Center Of China Geological Survey
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-09
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of drilling sampling, in particular to a drilling sampling device for shallow investigation of ground surface matrixes, which comprises a hammering device, a drilling device and a drilling device, wherein the hammering device comprises a backing plate, a hammering head and a hammering head connecting rod; the hammering head connecting rod is connected to the inner side of the hammering head in a penetrating way, and one end of the hammering head connecting rod is connected and fixed to the lower end of the head pad; the other end of the connecting rod is detachably connected with one end of the connecting rod, the other end of the connecting rod is detachably connected with the drilling device, and the drilling device is divided into a semi-closed pipe drilling device and a semi-round chisel head; the utility model solves the problem of insufficient power of the shallow investigation sampling device by adding the hammering device at the front end, provides relatively larger power for investigation drilling sampling, obviously shortens the drilling construction time, improves the working efficiency of field investigation, and increases the investigation drilling coring rate by the design of the conical claw in the semi-pipe-closing drilling device and the semi-conical barb on the inner wall of the semicircular chisel head. The utility model has the advantages of simple principle, easy operation, strong practicability and convenient wide popularization.

Description

Drilling sampling device for shallow investigation of ground surface matrix

Technical Field

The utility model relates to the technical field of drilling sampling, in particular to a drilling sampling device for shallow investigation of a ground surface matrix.

Background

The surface matrix layer is an important layer in the three-dimensional layering classification model of natural resources, and is a basic material layer for supporting various natural resources such as forests, grasslands, water, wetlands and the like on the surface of the inoculated earth. As the key parts with the closest relationship with the human and ground and the strongest material exchange effect of each ring layer on the earth surface, the characteristics of the surface matrix such as the variety, the spatial structure, the physicochemical property, the landscape property and the like directly influence the quantity and the quality of natural resources, thereby influencing the quality of ecological environment. Therefore, the surface matrix investigation and evaluation has become a basic work supporting the fields of natural resource management, ecological environment protection and restoration, soil remediation, cultivated land protection and the like.

When a Luoyang shovel is used for carrying out surface matrix investigation, the following phenomena occur: the power of the Luoyang shovel is mainly pressed by manpower, the investigation depth is limited, the efficiency is low, and the use time is long; the shovel head of the Luoyang shovel is short, the drilling depth is limited every time, and the effective working time is small; the inner wall of the shovel head is smoother, and the condition that the coring rate is low or the core cannot be taken out can occur when the shovel head encounters soil or muddy with higher water content. When a surface matrix survey is conducted using semi-circular drilling, it may occur that: a large hammer with a handle is needed to hammer to achieve the purpose of drilling, so that the drilling machine is inconvenient to carry, the safety coefficient is not high, and the drilling machine is difficult to pull when the drilling machine is too deep; the inner wall of the semicircular chisel head is smooth, and the conditions of low coring rate or incapability of taking cores can be caused when soil or muddy with higher water content is encountered.

Disclosure of Invention

In order to solve at least one of the technical problems in the prior art, the utility model provides the drilling sampling device for shallow investigation of the ground surface matrix, which can increase drilling power through hammering of the drilling device and can increase the coring rate through adding a conical claw or a semi-conical barb to the drilling device.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the drilling and sampling device for the shallow investigation of the ground surface matrix comprises a hammering device, a drilling device and a drilling device, wherein the hammering device comprises a backing piece, a hammering head and a hammering head connecting rod; the hammering head connecting rod is connected to the inner side of the hammering head in a penetrating way, and one end of the hammering head connecting rod is connected and fixed to the lower end of the head pad; the other end of the connecting rod can be detachably connected with one end of the connecting rod, and the other end of the connecting rod can be detachably connected with the drilling device.

According to some embodiments of the application, the two handles are symmetrically distributed in the middle of the hammering head, and the two blocking heads are symmetrically distributed in the lower part of the hammering head.

According to some embodiments of the application, a round baffle is connected to the lower end of the hammering head connecting rod, and two blocking heads are arranged at the upper end of the round baffle and correspond to the blocking heads at the lower part of the hammering head.

According to some embodiments of the present application, the drilling device comprises a semi-closed pipe drilling tool and a drill bit, wherein the semi-closed pipe drilling tool is connected to the lower end of the connecting rod, and the drill bit is fixedly connected to the lower end of the semi-closed pipe drilling tool.

According to some embodiments of the application, the conical claw is fixed at the lower end of the inner wall of the semi-closed pipe drilling tool.

According to some embodiments of the application, the drilling device is a semicircular chisel head, which is connected to the lower end of the connecting rod.

According to some embodiments of the application, semi-conical barbs are distributed on the inner wall of the semi-circular chisel head.

According to some embodiments of the application, the device further comprises a T-shaped handle for replacing the hammering device, and one end of the connecting rod can be detachably connected.

Compared with the prior art, the utility model has the beneficial effects that: the drilling sampling device for the shallow investigation of the ground surface matrix is added with the hammering device, provides relatively larger power for the drilling sampling of investigation, obviously shortens the drilling construction time, improves the working efficiency of field investigation, increases the drilling depth of the shallow investigation device by manual drilling to a certain extent, and increases the safety coefficient of field construction; meanwhile, the conical claw and the semi-conical barb are additionally arranged in the semi-tubular drilling device, so that the coring rate of investigation drilling is increased to a certain extent, and the conditions that the coring rate is too low or the core cannot be taken are reduced. The utility model has the advantages of simple principle, easy operation, strong practicability and convenient wide popularization.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

fig. 2 is an exploded view of an embodiment of the present utility model.

Reference numerals: 1-backing head piece, 2-hammering head connecting rod, 3-hammering head, 4-connecting rod, 5-semicircle chisel head, 6-convex screw, 7-baffle head, 8-round baffle plate, 9-T handle, 10-concave screw, 11-semi-conical barb, 12-reducing joint, 13-semi-pipe drilling tool, 14-conical claw and 15-drill bit.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1, a drilling and sampling device for shallow investigation of a surface matrix according to an embodiment of the present utility model, wherein the shallow surface matrix contains soil and muddy substances, and the hammering device comprises a backing sheet 1, a hammering head connecting rod 2 and a hammering head 3.

The hammering head 3 penetrates and is fixed from the upper end of the hammering head connecting rod 2, the backing piece 1 is fixed on the upper end of the hammering head connecting rod 2 in a threaded manner, specifically, the lower end of the backing piece 1 is provided with a convex screw 6, the upper end of the hammering head connecting rod 2 is provided with a concave screw 10, and the convex screw 6 is in threaded fit with the concave screw 10; when drilling downwards, the gravity and the artificial force of the hammering head 3 can be used for being transmitted to the whole device through the head gasket 1 on the hammering head connecting rod 2, so that the power and the efficiency of drilling sampling are increased; when the core is lifted upwards, the beating head 3 acts on the head gasket 1 under the condition of manual force, so that the power and efficiency of core lifting are increased; it should be noted that, no matter drilling or core lifting, when the force is applied by the hammer head, the acting force is proper and should not be too large, so as to prevent the phenomena of excessive compression of drilling and falling off of the soil core during core lifting.

The lower end of the hammer heading connecting rod 2 is provided with a convex screw 6, the upper end of the connecting rod 4 is provided with a concave screw 10, and the convex screw 6 is in threaded fit with the concave screw 10; the lower end of the connecting rod 4 is provided with a convex screw 6, the upper end of the drilling device is provided with a concave screw 10, and the convex screw 6 is in threaded fit with the concave screw 10; the connecting rod 4 is used for connecting the hammering device and the drilling device, mainly increasing the investigation drilling depth, and increasing or decreasing according to the actual drilling sampling use condition.

The utility model provides relatively larger power for drilling and sampling of shallow investigation by adding the hammering device at the front end, obviously shortens the drilling construction time, improves the working efficiency of field investigation, increases the drilling depth of the shallow investigation device by manual drilling to a certain extent, and increases the safety coefficient of field construction.

Preferably, handles which are symmetrically distributed are designed in the middle of the hammering head 3, so that the hammering head can be conveniently moved and the device can be conveniently lifted; the two blocking heads 7 are symmetrically distributed at the lower part of the hammering head 3; the lower extreme of beating the first connecting rod 2 of hammering is connected with a circular baffle 8, and circular baffle 8 upper end has two to keep off head 7 and the fender head 7 of beating the first lower part of hammering corresponding, and the lower extreme of beating the first 3 of hammering and the fender head 7 that circular baffle 8 upper end symmetric distribution set up, when upwards the lifter, accessible keeps off the head and rotates, reduces the lifter resistance, improves operating efficiency.

The drilling device is divided into a semi-closed pipe drilling device and a semi-circular chisel head: when investigating and sampling softer soil and mud, preferably, a semi-closed pipe drilling tool 13 and a drill bit 15 are combined together and installed at the lower end of the connecting rod 4 for construction, the semi-closed pipe drilling tool 13 is formed by splicing mutually symmetrical semicircular pipes, the semi-closed pipe drilling tool 13 is connected to the lower end of the connecting rod 4 through a reducing joint 12, conical claws 14 are respectively designed at corresponding positions of the lower ends of the inner walls of the two semicircular pipes, and the drill bit 15 is fixedly connected to the lower end of the semi-closed pipe drilling tool 13; when investigation and sampling are carried out on slightly hard soil, the semicircular chisel head 5 is preferably fixedly connected to the lower end of the connecting rod 4 for construction, the upper end of the semicircular chisel head 5 is provided with a concave screw 10, and the inner wall of the semicircular chisel head 5 is provided with a semi-conical barb 11; the purpose of setting the conical claw 14 or the semi-conical barb 11 is mainly to prevent the soil core from falling off, improve the drilling coring rate, reduce the condition that the coring rate is too low or the core cannot be taken out to a certain extent, and the condition that the soil core is taken out from the drilling tool should be reminded not to be scratched by the conical claw 14 and the semi-conical barb 11.

If the length of the drilling tool of the drilling device is too short, the drilling time can be increased, and time is wasted; when the drilling device is overlong, the condition that the drilling is slow or the pulling is not good can occur, and preferably, the length of the drilling tool of the drilling device is 500 mm; further, for the construction convenience, the lengths of the hammering device, the connecting rod and the drilling device are designed to be the same, so that the drilling tool can be known whether to fill the soil core or not by checking the ground length of the connecting rod 4 during drilling.

Preferably, when drilling deeper, the hammering device can be disassembled, and the T-shaped handle 9 is installed at the upper end of the connecting rod 4 for lifting.

The drilling and sampling device for the shallow investigation of the ground surface matrix is used for combining a semi-closed pipe drilling tool 13 and a drill bit 15 together to be installed at the lower end of a connecting rod 4 for construction when the investigation and sampling of softer soil and mud are carried out during drilling and sampling; when investigation and sampling are carried out on slightly hard soil, the semicircular chisel head 5 is fixedly connected to the lower end of the connecting rod 4 for construction; when drilling downwards, the gravity and the artificial force of the hammering head 3 are used for being transmitted to the whole device through the head pad 1 on the hammering head connecting rod 2, so that the power and the efficiency of drilling sampling are increased; when the core is lifted upwards, the beating head 3 acts on the head gasket 1 under the condition of manual force, so that the power and efficiency of core lifting are increased; the conical claw 14 or the semi-conical barb 11 arranged on the drilling device can prevent the soil core from falling off, so that the drilling coring rate is improved; when lifting the rod upwards, the baffle heads 7 symmetrically distributed at the lower end of the hammering head 3 and the upper end of the round baffle plate 8 rotate, so that the resistance of the lifting rod is reduced; when drilling is deeper, the hammering device can be disassembled, and the T-shaped handle 9 is installed at the upper end of the connecting rod 4 for lifting.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The drilling and sampling device for the shallow investigation of the ground surface matrix is characterized by comprising a hammering device, wherein the hammering device comprises a backing head piece, a hammering head and a hammering head connecting rod; the hammering head connecting rod is connected to the inner side of the hammering head in a penetrating way, and one end of the hammering head connecting rod is connected and fixed to the lower end of the head pad; the other end of the connecting rod can be detachably connected with one end of the connecting rod, and the other end of the connecting rod can be detachably connected with the drilling device.

2. The drilling and sampling apparatus of claim 1, wherein the two handles are symmetrically disposed in the middle of the hammering head and the two stoppers are symmetrically disposed in the lower of the hammering head.

3. The drilling and sampling device of claim 2, wherein a circular baffle is connected to the lower end of the hammering head connecting rod, and two baffles are provided at the upper end of the circular baffle corresponding to the baffles at the lower part of the hammering head.

4. The drilling and sampling device of claim 1, wherein the drilling device comprises a semi-tubular drilling tool and a drill bit, the semi-tubular drilling tool is connected to the lower end of the connecting rod, and the drill bit is fixedly connected to the lower end of the semi-tubular drilling tool.

5. The drilling and sampling apparatus of claim 4, wherein the lower end of the inner wall of the semi-tubular drill is fixed with tapered jaws.

6. The drilling and sampling apparatus of claim 1, wherein the drilling apparatus is a semicircular chisel head connected to a lower end of the connecting rod.

7. The drilling sampling apparatus of claim 6, wherein semi-conical barbs are disposed on an inner wall of the semi-circular chisel head.

8. The drilling sampling apparatus of claim 1, further comprising a T-handle for replacing the hammering device, the one end of the connecting rod being removably attachable.