CN214145428U

CN214145428U - Coring device

Info

Publication number: CN214145428U
Application number: CN202022530408.3U
Authority: CN
Inventors: 郑志龙
Original assignee: SHAANXI TRAFFIC PLANNING DESIGN RESEARCH INSTITUTE
Current assignee: Shaanxi Provincial Transport Planning Design and Research Institute Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-09-07
Anticipated expiration: 2030-11-05

Abstract

The application discloses coring device belongs to sampling device technical field, can solve the current coring device and hardly take out the problem of core appearance from boring the core hole. The coring device comprises a coring claw, a mounting shell and a rotating assembly; the coring claw comprises a plurality of coring rods, and the bottom end of each coring rod is provided with a coring hook; the mounting shell comprises a bottom surface, the top ends of the plurality of core taking rods penetrate through the bottom surface and are fixedly connected with the rotating assembly, and the plurality of core taking rods are in an annular array by taking the center of the bottom surface as a circle center; the rotating component is used for driving the coring rod to rotate after being subjected to external force, so that the front end of the coring hook rotates and hooks the bottom surface of the core sample. The application can take out the core sample from the core drilling hole more easily.

Description

Coring device

Technical Field

The utility model relates to a sampling device technical field especially relates to a coring device.

Background

With the continuous development of society, the construction amount of roads is gradually increased, and the quality inspection of the roads as the infrastructure is very important. Common road detection methods include ultrasonic detection, low strain dynamic detection, and core drilling sampling detection. The core drilling detection method can be used for judging the strength of concrete, the thickness of a road surface layer and the like, so that the method is widely applied.

The core drilling detection method is to drill a core on the road surface by a core drilling machine, and then take out a core sample from a core drilling hole for detection. At present, core sample sampling mainly uses a core-drilling machine test block clamp. However, in practice, because the surface layer and the base layer are bonded poorly, separation is easy to occur, and the base layer core sample is generally heavy, and the friction force between the jaw of the core drilling machine test block clamp and the base layer core sample is small, the core sample is easy to drop in the sampling process, so that the base layer core sample is difficult to take out from the core drilling hole.

Disclosure of Invention

The embodiment of the application can solve the problem that the core sample is difficult to take out from a core drilling hole by the existing coring device by providing the coring device.

The embodiment of the utility model provides a coring device, which comprises a coring claw, a mounting shell and a rotating assembly; the coring claw comprises a plurality of coring rods, and the bottom end of each coring rod is provided with a coring hook; the mounting shell comprises a bottom surface, the top ends of the core taking rods penetrate through the bottom surface and are fixedly connected with the rotating assembly, and the core taking rods are in an annular array by taking the center of the bottom surface as a circle center; the rotating assembly is used for driving the coring rod to rotate after being subjected to external force, so that the front end of the coring hook rotates and hooks the bottom surface of the core sample.

In one possible implementation, the rotating assembly includes a sun gear, a first rotating shaft, and a plurality of actuating gears; the top ends of the core taking rods penetrate through the bottom surface of the mounting shell and are respectively connected with the execution gears in a one-to-one corresponding mode; a plurality of executing gears are arranged around the outer side of the central gear and meshed with the central gear; one end of the first rotating shaft is connected with the central gear, and the other end of the first rotating shaft is used for receiving external force.

In one possible implementation, the actuation gear is a sector gear.

In one possible implementation, the rotating assembly includes a central disc, a second rotating shaft, and a plurality of sliding pieces; the sliding sheets are arranged along the circumferential direction of the central disc; the top ends of the core taking rods penetrate through the bottom surface of the mounting shell and are respectively connected with one ends of the sliding sheets far away from the central disc in a one-to-one corresponding mode; a plurality of guide sliding blocks are arranged on the central disc, and a guide sliding chute is arranged at the other end of each sliding sheet; the guide sliding blocks are respectively arranged in the guide sliding chutes in a one-to-one correspondence manner and can slide in the guide sliding chutes; one end of the second rotating shaft is connected with the central disc, and the other end of the second rotating shaft is used for receiving external force.

In one possible implementation manner, the guide sliding groove and the guide sliding block are both T-shaped.

In one possible implementation, the coring hook is arc-shaped, and a plurality of coring hooks surround into a circular ring shape.

In one possible implementation, the coring device further includes a handle, one end of the handle being disposed on a side of the mounting shell away from the coring hook.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

an embodiment of the utility model provides a coring device, including coring claw, installation shell and runner assembly. The coring claw comprises a plurality of coring rods, and the bottom end of each coring rod is provided with a coring hook. The top ends of the plurality of core taking rods penetrate through the bottom surface of the mounting shell and then are fixedly connected with the rotating assembly, and the plurality of core taking rods are in an annular array by taking the center of the bottom surface as a circle center. During the use, stretch into the core hole with coring device's coring claw from the clearance of core appearance and road surface structure, exert external force again to rotating assembly in order to drive the core pole and rotate to the front end that makes the coring collude is rotatory and catches on the bottom surface of core appearance, later exerts the pulling force to the installation shell again, can take out the core appearance from boring the core hole. The application provides a coring device drives through applying external force to rotating assembly and gets the rotatory back of core pole, makes the front end that gets the core and colludes the bottom surface of core appearance, and at the in-process of sample, the core is got and is colluded and hold the core appearance, and the core appearance is difficult to drop from getting the core claw, therefore can take out the core appearance from boring the core hole more easily.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced 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 perspective view of a coring device provided by an embodiment of the present application;

FIG. 2 is a front view of a coring device provided by an embodiment of the present application;

FIG. 3 is a bottom view of a coring device as provided by an embodiment of the present application;

FIG. 4 is a cross-sectional view of an embodiment of a rotating assembly of FIG. 2 taken along plane A-A in a normal state;

FIG. 5 is a schematic view of the rotating assembly of FIG. 4 in a rotated state;

FIG. 6 is a cross-sectional view of the alternative embodiment of the rotating assembly of FIG. 2 taken along plane A-A in a normal state;

FIG. 7 is a schematic view of the rotating assembly of FIG. 6 in a rotated state;

fig. 8 is a cross-sectional view taken along the plane B-B in fig. 6.

Icon: 1-coring claws; 11-taking a core rod; 12-coring and hooking; 2-mounting the housing; 21-bottom surface; 22-top surface; 23-a side wall; 3-a rotating assembly; 31-a sun gear; 32-an execution gear; 33-a first shaft; 34-a central disc; 341-guide slider; 35-a slide sheet; 351-a guide chute; 36-a second shaft; 4-a handle.

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 some, but not all, embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", 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 describing the embodiments of the present invention and simplifying the 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. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in figures 1-6, the utility model provides a pair of coring device, including coring claw 1, installation shell 2 and runner assembly 3. The coring claw 1 comprises a plurality of coring rods 11, and the bottom end of each coring rod 11 is provided with a coring hook 12. Wherein, the quantity of coring pole 11 can be 2, 3, 4, 6, 8 etc. and coring pole 11's quantity is more, can take out heavier core appearance, and the skilled person in the art can set up coring pole 11's quantity according to the weight of core appearance in the practical application, the embodiment of the utility model provides a do not limit to coring pole 11's quantity. Fig. 1 shows a schematic view of 8 coring rods 11.

As shown in fig. 3 to 7, the mounting case 2 includes a bottom surface 21, and the top ends of the plurality of coring bars 11 penetrate through the bottom surface 21 and are all fixedly connected to the rotating assembly 3. In practical application, the gap between the core sample and the pavement structure is annular, so that the core taking rods 11 are annularly arrayed by taking the center of the bottom surface 21 as a center, and the core taking claw 1 can conveniently extend into the core drilling hole from the gap.

The rotating component 3 is used for driving the coring bar 11 to rotate after being subjected to external force, so that the front end of the coring hook 12 rotates and hooks the bottom surface of the core sample. Specifically, during the use, stretch into the core hole with coring device's coring claw 1 from the clearance of core appearance and road surface structure, exert external force in order to drive coring pole 11 to rotate to rotating assembly 3 again to make coring and collude the rotatory bottom surface that catches core appearance of front end 12, later exert the pulling force to installation shell 2 again, can take out the core appearance from the core hole.

The application provides a coring device drives through applying external force to rotating assembly 3 and gets 11 rotatory backs of core pole, makes the core take and colludes the rotatory bottom surface that catches core appearance of front end of 12, at the in-process of taking a sample, gets core and colludes 12 and hold core appearance, and core appearance is difficult to drop from getting core claw 1, therefore can take out core appearance from boring the core hole more easily.

As shown in fig. 4 and 5, the rotating assembly 3 may include a sun gear 31, a first rotating shaft 33, and a plurality of actuating gears 32. The top ends of the plurality of coring bars 11 are respectively connected with the plurality of execution gears 32 in a one-to-one correspondence manner after penetrating through the bottom surface 21 of the mounting shell 2. A plurality of actuator gears 32 surround the outside of the sun gear 31 and mesh with the sun gear 31. When the number of the coring bars 11 is 8, fig. 4 and 5 show schematic diagrams of 8 execution gears 32, and in the diagrams, the top ends of the 8 coring bars 11 are respectively connected with the 8 execution gears 32 after penetrating through the bottom surface 21 of the mounting shell 2 in a one-to-one correspondence manner. 8 executing gears 32 surround the outside of the sun gear 31 and mesh with the sun gear 31.

In practical applications, the first rotating shaft 33 may be a straight-line type or an L-type. One end of the first rotating shaft 33 is connected to the sun gear 31, and the other end is used for receiving an external force.

The embodiment of the utility model provides a rotating assembly 3's working process does: when an external force is applied to one end of the first rotating shaft 33 to rotate the first rotating shaft 33, the first rotating shaft 33 drives the central gear 31 to rotate, then the central gear 31 drives the executing gear 32 to rotate, the executing gear 32 drives the core taking rod 11 to rotate, so that the front end of the core taking hook 12 rotates and hooks the bottom surface of the core sample, and then the core sample can be taken out from the core drilling hole by applying a pulling force to the mounting shell 2.

With continued reference to fig. 4 and 5, the actuating gear 32 is a sector gear, so that the space occupied by the actuating gear 32 can be reduced while the function of the central gear 31 driving the actuating gear 32 to rotate is realized, and the weight of the coring device itself can be reduced.

As shown in fig. 6 and 7, the rotating assembly 3 may further include a center disk 34, a second rotating shaft 36, and a plurality of sliding pieces 35. A plurality of wipers 35 are circumferentially disposed along the center disk 34. The top ends of the plurality of core-taking rods 11 penetrate through the bottom surface 21 of the mounting shell 2 and are respectively connected with one ends of the plurality of sliding sheets 35 far away from the central disc 34 in a one-to-one correspondence mode. When the number of the coring bars 11 is 8, fig. 6 and 7 show schematic diagrams of 8 sliding pieces 35, in the diagrams, 8 sliding pieces 35 are circumferentially arranged along the central disc 34, and the top ends of 8 coring bars 11 penetrate through the bottom surface 21 of the mounting shell 2 and are respectively connected with the 8 sliding pieces 35 in a one-to-one correspondence manner.

The center disk 34 is provided with a plurality of guide sliders 341, and the other end of each slide piece 35 is provided with a guide chute 351. The plurality of guide sliders 341 are disposed in the plurality of guide chutes 351 in one-to-one correspondence, respectively, and can slide in the guide chutes 351. When the slide 35 is not rotated, as shown in fig. 7, the length of the guide chute 351 extends in the radial direction of the center disk 34.

In practical applications, the second rotating shaft 36 may be a straight-line type or an L-type. One end of the second rotating shaft 36 is connected to the center disk 34, and the other end is used for receiving an external force.

The embodiment of the utility model provides a rotating assembly 3's working process does: when an external force is applied to one end of the second rotating shaft 36 to rotate the second rotating shaft 36, the second rotating shaft 36 drives the central disc 34 to rotate, at this time, each guide sliding block 341 slides in the corresponding guide sliding groove 351, the sliding sheet 35 rotates along with the guide sliding block, the sliding sheet 35 drives the core taking rod 11 to rotate, so that the front end of the core taking hook 12 rotates and hooks the bottom surface of the core sample, and then a pulling force is applied to the mounting shell 2, so that the core sample can be taken out from the core drilling hole.

As shown in fig. 7, the guide sliding groove 351 and the guide sliding block 341 are both T-shaped, so that the guide sliding block 341 is more firmly disposed in the guide sliding groove 351, and the structure of the rotating assembly 3 is more stable and safer.

Because when boring the core sample, bore the core machine and bore the core to highway road surface after, about 5mm in core appearance and road surface structure's clearance, as shown in figure 1 and figure 3, it can be the arc to get core and collude 12, and a plurality of coring collude 12 and enclose into the ring form to it is easier that the core hole is stretched into from the clearance of core appearance and road surface structure to make core claw 1, and can set up the length that the core was colluded 12 this moment longer, thereby after the core was colluded 12 and is turned to the bottom surface of core appearance, the more firm bottom surface that colludes the core appearance.

As shown in fig. 1 and 2, the coring device further includes a handle 4, and one end of the handle 4 is disposed on one side of the mounting case 2 away from the coring hook 12. Specifically, when the mounting case 2 includes only the bottom surface 21, one end of the handle 4 is disposed on the surface of the bottom surface 21 away from the coring hook 12; when the mounting case 2 includes the side wall 23 and the top surface 22, the side wall 23, the top surface 22 and the bottom surface 21 are integrally formed, and one end of the handle 4 is disposed on the surface of the top surface 22.

The handle 4 may be a door-shaped bracket as shown in fig. 1 and 2, and one end of the door-shaped bracket is arranged in the middle of one side of the mounting shell 2 far away from the coring hook 12; the handle 4 can also be two door-shaped brackets with cross bars vertical to each other and arranged integrally, and one end of the handle is arranged in the middle of one side of the mounting shell 2 far away from the coring hook 12; handle 4 also can be a plurality of cylinders, and the one end of a plurality of cylinders sets up in the one side of keeping away from coring and colluding 12 of installation shell 2, and is the annular array with the center of installation shell 2 as the centre of a circle.

The handle 4 is arranged to facilitate the withdrawal of the core sample from the core hole. In particular, in practical applications, the core sample is heavy, it is difficult for one operator to lift the base core sample from the drilled core hole, and the handle 4 is provided to facilitate lifting of the core sample by a plurality of operators.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims

1. A coring device is characterized by comprising a coring claw, a mounting shell and a rotating assembly;

the coring claw comprises a plurality of coring rods, and the bottom end of each coring rod is provided with a coring hook;

the mounting shell comprises a bottom surface, the top ends of the core taking rods penetrate through the bottom surface and are fixedly connected with the rotating assembly, and the core taking rods are in an annular array by taking the center of the bottom surface as a circle center;

the rotating assembly is used for driving the coring rod to rotate after being subjected to external force, so that the front end of the coring hook rotates and hooks the bottom surface of the core sample.

2. The coring device of claim 1, wherein the rotation assembly comprises a sun gear, a first shaft, and a plurality of actuation gears;

the top ends of the core taking rods penetrate through the bottom surface of the mounting shell and are respectively connected with the execution gears in a one-to-one corresponding mode;

a plurality of executing gears are arranged around the outer side of the central gear and meshed with the central gear;

one end of the first rotating shaft is connected with the central gear, and the other end of the first rotating shaft is used for receiving external force.

3. The coring device of claim 2, wherein the actuation gear is a sector gear.

4. The coring device of claim 1, wherein the rotation assembly comprises a center disk, a second rotating shaft, and a plurality of slides;

the sliding sheets are arranged along the circumferential direction of the central disc;

the top ends of the core taking rods penetrate through the bottom surface of the mounting shell and are respectively connected with one ends of the sliding sheets far away from the central disc in a one-to-one corresponding mode;

a plurality of guide sliding blocks are arranged on the central disc, and a guide sliding chute is arranged at the other end of each sliding sheet; the guide sliding blocks are respectively arranged in the guide sliding chutes in a one-to-one correspondence manner and can slide in the guide sliding chutes;

one end of the second rotating shaft is connected with the central disc, and the other end of the second rotating shaft is used for receiving external force.

5. The coring device of claim 4, wherein the guide chute and the guide slide are T-shaped.

6. The coring device of claim 1, wherein the coring hook is arcuate, and a plurality of the coring hooks are circumferentially annular.

7. The coring device of any one of claims 1-6, further comprising a handle, wherein one end of the handle is disposed on a side of the mounting housing distal from the coring hook.