CN212807669U

CN212807669U - Soil undisturbed continuous sampling drill rod suite

Info

Publication number: CN212807669U
Application number: CN202021248364.9U
Authority: CN
Inventors: 宋赛虎
Original assignee: Zhongji Shengfeng Environmental Engineering Technology Group Co ltd
Current assignee: Zhongji Shengfeng Environmental Engineering Technology Group Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-26
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a soil undisturbed continuous sampling drilling rod external member, including drill bit, drilling rod, sampling tube, the drill bit install in the drilling rod bottom, the sampling tube is arranged in the drill bit with inside the cavity that the drilling rod is constituteed, the pipe cap is installed at the sampling tube top, the connector is installed in the pipe cap outside, the connector is connected with the rope. By implementing the utility model, on one hand, the built-in sampling tube can be taken out without pulling out the drill rod kit of the embodiment through the rope, thereby solving the technical problem of difficult continuous replacement of the sampling tube in the prior art, improving the efficiency of soil sampling and saving the cost; on the other hand, the combined structure of the movable clamping plate and the spring is adopted, so that the problem of sample tube bouncing in the sampling process can be solved under the condition that the taking out and putting in of the sample tube are not influenced.

Description

Soil undisturbed continuous sampling drill rod suite

Technical Field

The utility model relates to a soil sampling technical field, in particular to soil undisturbed continuous sampling drill rod external member.

Background

Since 2010, the booming of developing environment-friendly survey drilling machines was raised domestically. The environment-friendly investigation drilling machine is divided into a piston type, a plug pin type and a sleeve type according to different drill rod sleeve acquisition systems, wherein the environment-friendly investigation drilling machine of the sleeve type drill rod sleeve is widely applied to soil sampling work.

The sleeve type drill rod external member can be configured on a drilling machine, and the drill rod external member is tamped into soil by the tamping force of the drilling machine. The plastic sampling pipe is arranged in the sleeve type drill rod sleeve, and the sampling pipe is used for collecting soil squeezed from the drill bit. In practical application, after the casing pipe type drill pipe kit collects a soil sample with the length of one drill pipe, the casing pipe type drill pipe kit needs to be pulled out from soil by a winch or manually, a new sample pipe is replaced, a new drill pipe is connected to the original drill pipe through a screw thread, and then the casing pipe type drill pipe kit is tamped into the soil again from the original tamping position of the casing pipe type drill pipe kit so as to collect a deeper soil sample. Repeated extraction and ramming makes soil sampling time consuming and costly. Therefore, how to solve the problem of difficulty in continuously replacing the sample tube is the key for improving the efficiency of soil sampling.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a soil undisturbed continuous sampling drill rod external member, the technical scheme of the utility model be implemented like this:

the utility model provides a soil undisturbed continuous sampling drilling rod external member, includes drill bit, drilling rod, sampling tube, the drill bit install in the drilling rod bottom, the sampling tube is arranged in the drill bit with inside the cavity that the drilling rod is constituteed, the pipe cap is installed at the sampling tube top, the connector is installed in the pipe cap outside, the connector is connected with the rope.

Furthermore, air holes are formed in the periphery of the pipe cap.

Further, the diameter of the air hole is one-fifteenth of the diameter of the pipe cap.

Further, the cap is screwed on the top of the sampling tube.

Furthermore, the soil undisturbed continuous sampling drill pipe kit further comprises movable clamping plates and springs, wherein the two movable clamping plates are symmetrically arranged on the inner wall of the drill pipe and can move up and down, the movable clamping plates are positioned above the sampling pipe, the springs are symmetrically arranged on the upper side and the lower side of the movable clamping plates, one end of each spring is fixed on the upper side face of each movable clamping plate or the lower side face of each movable clamping plate, and the other end of each spring is fixed on the inner wall of the drill pipe.

Further, both ends of the spring are fixed in a welding manner.

Further, the movable clamping plate is welded and installed on the inner wall of the drill rod in a hinge mode.

Further, the movable clamping plate is arched.

Further, the distance between the position, on the inner wall of the drill rod, of the spring and the movable clamping plate is one third of the width of the movable clamping plate; the distance between the position of the spring on the movable clamping plate and the inner wall of the drill rod is two thirds of the width of the movable clamping plate.

Further, the width of the movable clamping plate is one third of the inner diameter of the drill rod.

Implement the technical scheme of the utility model, there is following technical scheme:

(1) by implementing the utility model, the built-in sampling tube can be taken out by the rope without pulling out the drill rod sleeve piece, thereby solving the technical problem that the sampling tube is difficult to continuously replace in the prior art, improving the efficiency of soil sampling and saving the cost;

(2) implement the utility model discloses, through the cooperation installation of activity cardboard and spring, under the condition that does not influence taking out and putting into of sampling tube, the problem of sampling tube spring among the sample process has been solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

fig. 3 is a schematic view of the pipe cap structure of the present invention.

In the above drawings, the reference numerals denote:

1-a drill bit; 2-a drill rod; 3-sampling tube; 4-pipe cap; 5-a connector; 6-a rope; 7-air holes; 8-a movable clamping plate; 9-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 efforts belong to the protection scope of the present invention.

The utility model provides a soil undisturbed continuous sampling drilling rod external member, combines fig. 1-3 to show, includes drill bit 1, drilling rod 2, sampling tube 3, and drill bit 1 installs in drilling rod 2 bottom, and inside the cavity that drilling bit 1 and drilling rod 2 are constituteed was arranged in to sampling tube 3, and pipe cap 4 was installed at the top of sampling tube 3, and connector 5 is installed in the pipe cap 4 outside, and connector 5 is connected with rope 6.

In this embodiment, the drill rod assembly of this embodiment is used in a drilling machine, when the drilling machine drills, the drill rod assembly is rammed into soil, then the sampling tube 3 can be taken out through the rope 6, at this time, a soil sample of a shallow layer is obtained in the sampling tube 3, then a new sampling tube 3 is placed, a drill rod is added to the original drill rod 2, then a new combined drill rod is rammed into soil, and the soil of a deeper layer can be collected by the newly placed sampling tube 3. In the sampling process, the drill rod does not need to be pulled out repeatedly and the drilling work does not need to be repeated, the soil sampling cost in the field investigation stage is reduced, and the soil sampling efficiency is improved.

In a preferred embodiment, as shown in fig. 1-3, the cap 4 is provided with air holes 7 around its periphery.

In this embodiment, the connector 5 is located at the center of the tube cap 4, and the air holes 7 are arranged in a circle around the connector 5, so that air in the sampling tube 3 can be discharged in time.

In a preferred embodiment, as shown in connection with fig. 1-3, the diameter of the vent 7 is one-fifteenth of the diameter of the cap 4.

In a preferred embodiment, shown in connection with FIGS. 1-3, cap 4 is threaded onto the top of sampling tube 3 to facilitate easy opening and closing of cap 4.

In a preferred embodiment, as shown in fig. 1-3, the soil undisturbed continuous sampling drill pipe kit further includes two movable clamping plates 8 and springs 9, the two movable clamping plates 8 are symmetrically installed on the inner wall of the drill pipe 2, the two movable clamping plates 8 can move up and down, the movable clamping plates 8 are located above the sampling pipe 3, the springs 9 are symmetrically installed on the upper and lower sides of the movable clamping plates 8, one end of each spring 9 is fixed on the upper side surface of the movable clamping plate 8 or the lower side surface of the movable clamping plate 8, and the other end of each spring 9 is fixed on the inner wall of the drill pipe 2.

In the embodiment, the movable clamping plate 8 can be ensured to be stably in a state parallel to the ground by the tension of the symmetrically arranged springs 9, and meanwhile, the movable clamping plate can be ensured to move up and down, so that the problem of bounce of the sampling tube 3 can be solved, and the sampling tube 3 can be blocked by the movable clamping plate 8 when bouncing; on the other hand, do not influence putting into and taking out of sampling tube, when needs take out sampling tube 3, can lift sampling tube 3 through rope 6, sampling tube 3 backs down movable cardboard 8 in movable cardboard 8 department, connects to take out sampling tube 3 smoothly, and like the same reason, pushes down two movable cardboard 8 through the downforce when putting into sampling tube 3 and backs down, can put into sampling tube 3.

In a preferred embodiment, as shown in connection with fig. 1-3, the two ends of the spring 9 are fixed by welding.

In a preferred embodiment, and as shown in connection with figures 1-3, the movable catch plate 8 is mounted in the form of a hinge welded to the inner wall of the drill rod 2.

In a preferred embodiment, and as shown in connection with figures 1-3, the movable catch plate 8 is arcuate in shape.

In a preferred embodiment, the spring 9 is mounted on the inner wall of the drill rod 2 at a position spaced from the movable catch plate 8 by a distance of one third of the width of the movable catch plate 8; the distance between the position of the spring 9 arranged on the movable clamping plate 8 and the inner wall of the drill rod 2 is two thirds of the width of the movable clamping plate 8.

In this embodiment, the width of the movable clamping plate 8 refers to the width of the movable clamping plate 8 in the direction perpendicular to the inner wall of the drill rod 2 in the normal state.

In a preferred embodiment, the width of the movable clamping plate 8 is one third of the inner diameter of the drill rod 2, and the width of the movable clamping plate 8 refers to the width of the movable clamping plate 8 in the direction perpendicular to the inner wall of the drill rod 2 in a normal state.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a soil undisturbed continuous sampling drilling rod external member, its characterized in that, includes drill bit, drilling rod, sampling tube, the drill bit install in the drilling rod bottom, the sampling tube is arranged in the drill bit with inside the cavity that the drilling rod is constituteed, the pipe cap is installed at the sampling tube top, the connector is installed in the pipe cap outside, the connector is connected with the rope.

2. The soil undisturbed continuous sampling drill pipe kit of claim 1 wherein the pipe cap is provided with air holes around its circumference.

3. The soil undisturbed continuous sampling drill pipe kit of claim 2 wherein the diameter of the vent is one-fifteenth the diameter of the cap.

4. The soil undisturbed continuous sampling drill pipe kit of claim 1 wherein the cap is threadably mounted on top of the sampling tube.

5. The soil undisturbed continuous sampling drill pipe kit of claim 1 further comprising two movable clamping plates and a spring, wherein the two movable clamping plates are symmetrically arranged on the inner wall of the drill pipe and can move up and down, the movable clamping plates are positioned above the sampling pipe, a plurality of springs are symmetrically arranged on the upper side and the lower side of the movable clamping plates, one end of each spring is fixed on the upper side surface of the corresponding movable clamping plate or the lower side surface of the corresponding movable clamping plate, and the other end of each spring is fixed on the inner wall of the drill pipe.

6. The soil undisturbed continuous sampling drill pipe kit of claim 5 wherein the ends of the spring are secured by welding.

7. The soil undisturbed continuous sampling drill pipe kit as claimed in claim 5 wherein the movable clamping plate is welded to the inner wall of the drill pipe in the form of a hinge.

8. The soil undisturbed continuous sampling drill pipe kit of claim 5 wherein the movable clamp plate is arcuate in shape.

9. The soil undisturbed continuous sampling drill pipe kit of claim 5 wherein the spring is mounted on the inner wall of the drill pipe at a position spaced from the movable catch plate by a distance of one third of the width of the movable catch plate; the distance between the position of the spring on the movable clamping plate and the inner wall of the drill rod is two thirds of the width of the movable clamping plate.

10. The soil undisturbed continuous sampling drill pipe kit of claim 5 wherein the width of the movable clamp plate is one third of the inner diameter of the drill pipe.