CN210626096U - Highway bores core sampling device - Google Patents

Abstract

The utility model discloses a road core drilling and sampling device, which comprises a core taking barrel and a rotary feed blade arranged at the lower part of the core taking barrel, the top of the core barrel is provided with a clamping rod for installation, two sides of the middle upper part of the core barrel are symmetrically provided with a strip-shaped slotted hole, each strip-shaped slotted hole is internally hinged and fixed with a trapezoidal poking piece, the inner side of the upper end of the trapezoidal poking piece is fixed with a poking block for poking the core sample, the utility model is characterized in that strip-shaped slotted holes are arranged on the two sides of the upper part of the core-taking barrel, and set up the trapezoidal stirring piece of stirring the core appearance in the bar slotted hole, utilize lever principle to take out the core appearance, whole core taking section of thick bamboo core appearance from getting is labour saving and time saving comparatively, and whole journey does not need external force to strike, the effectual life who guarantees the core taking section of thick bamboo, and the trapezoidal stirring piece resumes the original position after getting the core and accomplishing, is fixed to make trapezoidal stirring piece be in the bar slotted hole by the magnet on upper portion and forms a whole, and the outward appearance is comparatively pleasing to the eye.

Description

Highway bores core sampling device

Technical Field

The utility model relates to a highway construction field, concretely relates to highway bores core sampling device.

Background

The highway is constructed according to the national technical standard and is approved by the highway administration department, and is connected among cities, villages and industrial and mining bases. The highway base layer is one of important components of a highway, and is a main bearing layer which is directly positioned below an asphalt pavement layer and filled with high-quality materials, or a structural layer which is directly positioned below a cement concrete pavement and paved with high-quality materials. The highway base layer plays an important role in the whole highway quality, so the quality of the highway base layer needs to be strictly checked by a highway administration department, wherein the highway base layer coring work is an important link, a motor is used for driving a coring barrel to rotate in the past to enable a precession blade at the front end of the coring barrel to enter the roadbed for coring by 20-25cm, however, after the coring is completed, a core sample in the coring barrel needs to be taken out, and the core sample is taken out by knocking the coring barrel by external force due to friction between the core sample and the inner wall of the coring barrel, so that the coring barrel is deformed by long-term operation, and the service life of the coring barrel is influenced by later use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem existing in the prior art, the utility model provides a highway bores core sampling device.

The utility model discloses a realize through following technical scheme:

the utility model provides a highway bores core sampling device, includes the sword of advancing soon that core barrel and lower part set up, and the top of this core barrel is provided with the kelly that is used for the installation, the well upper portion bilateral symmetry of core barrel is opened there is a bar slotted hole, and every bar slotted hole is articulated to be fixed with the cross-section and is curved trapezoidal stirring piece, the inboard stirring piece that is used for stirring the core appearance that is fixed with in the upper end of trapezoidal stirring piece, the inboard opening in top of bar slotted hole has a draw-in groove, it has the magnet that is used for fixed trapezoidal stirring piece to inlay in the draw-in groove.

Preferably, a pin shaft is fixed on the inner side of the middle upper part of the trapezoidal poking piece, two ends of the pin shaft are respectively and rotatably connected with lug plates arranged on two sides of the strip-shaped slotted hole, the lug plates are fixed on the inner wall of the core barrel, and the poking block is arranged on the upper part of the pin shaft.

Preferably, the trapezoidal poking piece is matched with the slotted hole in shape and size.

Preferably, the outer wall of the coring barrel is marked with scale marks.

Compared with the prior art, the beneficial effects of the utility model are that: this practicality is through opening in coring section of thick bamboo upper portion both sides has the bar slotted hole to set up the trapezoidal stirring piece of stirring the core appearance in the bar slotted hole, utilize lever principle to take out the core appearance, whole comparatively labour saving and time saving from coring section of thick bamboo coring appearance, whole journey does not need external force to strike, the effectual life who guarantees a coring section of thick bamboo, the trapezoidal stirring piece resumes the original position after coring completion, it is whole to be in the bar slotted hole formation by the fixed trapezoidal stirring piece that makes of magnet on upper portion, the outward appearance is comparatively pleasing to the eye.

Drawings

Fig. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic view of the partially cut-away structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic diagram of the structure used in the present application;

in the figure: the core taking device comprises a core taking barrel 1, a screwing blade 2, a clamping rod 3, a strip-shaped groove hole 4, a trapezoidal poking piece 5, a pin shaft 6, a poking block 7, a clamping groove 8, a magnet 9, an ear plate 10, a core sample 11 and scale marks 12.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3 and 4, a road core drilling sampling device comprises a core barrel 1 and a rotary blade 2 arranged at the lower part of the core barrel, wherein a clamping rod 3 for installation is arranged at the top of the core barrel 1, strip-shaped slotted holes 4 are symmetrically formed in two sides of the middle upper part of the core barrel 1, a trapezoidal dial piece 5 with an arc-shaped cross section is fixed in each strip-shaped slotted hole 4 in a hinged manner, a dial block 7 for dialing a core sample 11 is fixed on the inner side of the upper end of each trapezoidal dial piece 5, a clamping groove 8 is formed in the inner side of the top of each strip-shaped slotted hole 4, and a magnet 9 for fixing the trapezoidal dial piece 5 is embedded in each clamping groove 8.

The inner side of the middle upper part of the trapezoidal poking piece 5 is fixed with a pin shaft 6, two ends of the pin shaft 6 are respectively connected with lug plates 10 arranged at two sides of the strip-shaped groove hole 4 in a rotating mode, the lug plates 10 are fixed on the inner wall of the core barrel 1, and the poking block 7 is arranged at the upper part of the pin shaft 6.

The shape and size of the trapezoidal poking piece 5 are matched with those of the slotted hole 4.

The outer wall of the coring barrel 1 is marked with scale marks 12.

The working principle is as follows: when the utility model is used, the device is firstly connected with a driving motor through a clamping rod 3, then a precession blade 2 of a core barrel 1 is aligned with the upper part of a foundation to be sampled, the driving motor is started to drive the core barrel 1 to rotate, the core barrel 1 penetrates into the position 20-25cm below the roadbed through the precession blade 2, the rotation of the core barrel 1 is stopped, the core barrel 1 is shaken left and right to fracture the root of a core sample 11 and take out the core sample, after the core barrel 1 and the core sample 11 are taken out, two hands use the thumb to press the upper part of a trapezoidal shifting sheet 5, the lower part of the trapezoidal shifting sheet 5 is screwed out to the outside of the core barrel 1 through a pin shaft 6 to rotate, then the lower part of the trapezoidal shifting sheet 5 is held by hands and is pulled upwards with force, the trapezoidal shifting sheet 5 takes the pin shaft 6 as a fulcrum, a shifting block 7 on the upper part of the trapezoidal shifting sheet 5 is contacted with the top part of the core sample 11 to make the core sample 11 move downwards, thus, the lever principle is utilized to push out the, the core appearance 11 is taken out to the hand of holding after ejecting, like this core appearance 11 is just taken out, whole core appearance 11 is comparatively labour saving and time saving from the core section of thick bamboo 1, whole journey does not strike with external force, the effectual life who guarantees the core section of thick bamboo 1, get core and accomplish back trapezoidal stirring piece 5 and resume to original position, fixed make trapezoidal stirring piece 5 be in bar slotted hole 4 and form a whole by magnet 9 on upper portion, the outward appearance is comparatively pleasing to the eye, set trapezoidal stirring piece 5 appearance and bar slotted hole 4 into trapezoidally, reduce the trompil area on the core section of thick bamboo 1, guarantee the intensity of core section of thick bamboo 1 and prolong its life, be carved with scale mark 12 at the outer wall of core section of thick bamboo 1, can effectual observation core appearance 11's height, work efficiency is higher.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a highway bores core sampling device, advances sword (2) soon including coring barrel (1) and the lower part setting thereof, and the top of this coring barrel (1) is provided with kelly (3) that are used for the installation, its characterized in that: the middle-upper portion bilateral symmetry of coring section of thick bamboo (1) is opened there is a bar slotted hole (4), and every bar slotted hole (4) internal hinge is fixed with the cross-section and is curved trapezoidal group moving plate (5), the upper end inboard of trapezoidal group moving plate (5) is fixed with dials movable block (7) that are used for stirring core appearance (11), the top inboard of bar slotted hole (4) is opened there is a draw-in groove (8), it has magnet (9) that are used for fixed trapezoidal group moving plate (5) to inlay in draw-in groove (8).

2. A road core drilling sampling device according to claim 1, wherein: the inner side of the middle upper part of the trapezoidal poking piece (5) is fixedly provided with a pin shaft (6), two ends of the pin shaft (6) are respectively and rotatably connected with lug plates (10) arranged on two sides of the strip-shaped slotted hole (4), the lug plates (10) are fixed on the inner wall of the core taking barrel (1), and the poking block (7) is arranged on the upper part of the pin shaft (6).

3. A road core drilling sampling device according to claim 1, wherein: the trapezoidal poking sheet (5) is matched with the slotted hole (4) in shape and size.

4. A road core drilling sampling device according to claim 1, wherein: the outer wall of the coring barrel (1) is marked with scale marks (12).

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