CN217421108U

CN217421108U - Core tube for engineering drilling

Info

Publication number: CN217421108U
Application number: CN202220061636.7U
Authority: CN
Inventors: 何市
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-09-13
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses an engineering probing core barrel, including the rock core body, rock core body upper end middle part is provided with the connecting rod, the installation notch has all been seted up to the inside middle part lower extreme all around of rock core body, the inside upper end of installation notch all is provided with the elasticity top piece, elasticity top piece bottom all is provided with movable dog. The utility model discloses when using the handle ring, direct rotation is placed the frame cover and is driven fixed swivel nut and rotate, make fixed swivel nut inside all around with the outside separation of screw thread, make and place the frame cover and use constraining force and up promote again and place the frame cover, make and place frame cover bottom and rock core body upper end separation, reuse handle ring is when using the completion back, down the spiral shell move place the frame cover directly cover in the handle ring outside, prevent that the inside condition that causes the jam of movable through-hole that drops of the outside impurity of in-process that uses.

Description

Core tube for engineering drilling

Technical Field

The utility model relates to a geological exploration technical field specifically is an engineering probing core barrel.

Background

At present, the core is according to geology work or engineering's needs, uses core ring bit and other coring tool, the cylindric rock sample that takes out in the follow hole, and the core is the important material object material of research and understanding underground geology and mineral products condition, and when using the core barrel to take a sample, all adopts from the top down to carry out sample processing to the rock stratum, but current core barrel is because the bottom is hollow when the sample, appears falling easily and causes the unsuccessful condition of sample.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engineering probing core barrel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engineering probing core barrel, includes the rock core body, rock core body upper end middle part is provided with the connecting rod, the installation notch has all been seted up to the inside middle part lower extreme all around of rock core body, the inside upper end of installation notch all is provided with elasticity top flat, elasticity top flat bottom all is provided with movable dog, connecting rod outside middle part is provided with the operating ring, the operating ring bottom all is provided with the action bars all around in the middle part, the action bars bottom all is provided with connects the rope, connect the rope bottom and pass the rock core body and one side fixed connection of movable dog being close to the installation notch.

Preferably, the operating ring overlooks and is a circular ring structure, movable through holes are formed in the relative positions, located on the connecting ropes, of the periphery of the outer portion of the core body, the bottom end and the upper end of the inner portion of each movable through hole are of hollow structures, the elastic top plates are made of spring steel materials, and the elastic top plates are in a compressed state.

Preferably, the bottom end of the core tube body is provided with a sampling bottom ring, the core tube body and the sampling bottom ring are both in a circular ring structure when overlooked, the middle part of the sampling bottom ring and the lower end inside the core tube body are both in a hollow structure, and the diameter inside the sampling bottom ring is small and the diameter inside the core tube body is small.

Preferably, activity dog and installation notch all are the rectangle structure, the inside one side of keeping away from the connection rope of installation notch all is hollow structure, the connection rope all adopts the fibre material to make, sample end ring bottom is provided with a plurality of alloy cutting heads.

Preferably, positioning through holes are formed in the middle of the front side and the rear side of the operating ring, positioning spring blocks are arranged at the lower ends of the front side and the rear side of the connecting machine rod and the middle of the connecting machine rod, and mounting openings are formed in the opposite positions of the connecting machine rod, which are located in the positioning spring blocks.

Preferably, the upper end of the core tube body is provided with a placing frame cover, the upper end of the placing frame cover is provided with an opening, the middle of the upper end of the placing frame cover is provided with a fixed threaded sleeve, and the outer portion of the connector rod is provided with threads at the relative position of the fixed threaded sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses after carrying out from top to bottom sampling through the rock core body, all press positioning spring piece again and positioning hole internal separation, press the operating ring down and move again, and drive the action bars and move down, just can make the connecting rope lose the constraining force, thereby can also lose the constraining force to the activity dog, and drive the activity dog through the elastic top piece that is compression state and move to one side of keeping away from the installation notch, and all make activity dog bottom and the appearance of the sample body all around the bottom contact extrusion, thereby fix the sample body after the sample, prevent the sample body after the sample appears not hard up the circumstances that drops, then cause the problem of sample failure to take place;

2. the utility model discloses simultaneously when using the handle ring, direct rotation is placed the frame cover and is driven fixed swivel nut and rotate, make fixed swivel nut inside around with the outside separation of screw thread, make and place the frame cover and use the constraining force and up promote again and place the frame cover, make and place frame cover bottom and separation on the rock core body, reuse handle ring is after the use is accomplished, down the spiral shell move place the frame cover directly cover outside the handle ring, prevent that the inside condition that causes the jam of movable through-hole that drops of the outside impurity of in-process that uses.

Drawings

FIG. 1 is a schematic view of the overall structure of an engineering drilling core pipe of the present invention;

FIG. 2 is an enlarged view of the section A of FIG. 1 of an engineered drilling core barrel of the present invention;

fig. 3 is an enlarged view of the structure of the engineering driller at the position B in fig. 1.

In the figure: 1. sampling a bottom ring; 2. a core tube body; 3. an operating lever; 4. an operating ring; 5. placing a frame cover; 6. fixing the threaded sleeve; 7. connecting the machine rod; 8. an elastic topsheet; 9. a mounting recess; 10. connecting ropes; 11. a movable through hole; 12. positioning the spring block; 13. positioning the through hole; 14. a movable stop block.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an engineering probing core barrel, includes

core barrel

2, 2 upper ends middle parts of core barrel are provided with connector pole 7, installation notch 9 has all been seted up to 2 inside middle part lower extremes all around of core barrel, the inside upper end of installation notch 9 all is provided with

elasticity top plate

8, 8 bottoms of elasticity top plate all are provided with movable dog 14, 7 outside middle parts of connector pole are provided with action ring 4, 4 bottoms of action ring middle parts all around all are provided with action rod 3, 3 bottoms of action rod all are provided with and connect rope 10, connect rope 10 bottoms and pass core barrel 2 and movable dog 14 one side fixed connection near installation notch 9.

The operating ring 4 is of a circular ring structure when viewed from above, the periphery of the outer part of the core tube body 2 is provided with movable through holes 11 at opposite positions of the connecting rope 10, the bottom end and the upper end in the movable through holes 11 are both of a hollow structure, the elastic top plate 8 is made of spring steel, the elastic top plate 8 is in a compressed state, so that after the core tube body 2 is used for sampling from top to bottom, the positioning spring block 12 is pressed to be separated from the inner part of the positioning through hole 13, the operating ring 4 is pressed to move downwards and drive the operating rod 3 to move downwards, the connecting rope 10 can lose constraint force, the movable stop block 14 can also lose constraint force, the movable stop block 14 is driven to move towards one side away from the installation notch 9 by the elastic top plate 8 in the compressed state, and the bottom end of the movable stop block 14 is in contact with the bottom end of the periphery of the outer part of the sample body to be extruded, so as to fix the sample body after sampling, the problem that the sampling fails is solved by preventing the sample body from loosening and falling after sampling.

2 bottoms of rock core body are provided with sample bottom ring 1, rock core body 2 all is the ring structure with sample bottom ring 1 overlooks, 1 middle part of sample bottom ring and 2 inside lower extremes of rock core body all are hollow structure, 1 inside diameter of sample bottom ring is little and 2 inside diameters of rock core body, through 1 inside diameter of sample bottom ring little and 2 inside diameters of rock core body like this, prevent sample external portion all around with 1 inside contact all around of sample bottom ring when the sample to movable stop 14 and the contact of elasticity top piece 8 cause the condition of rupture to the sample body.

The movable check block 14 and the installation notch 9 are both rectangular structures, one side of the connection rope 10, which is far away from the inside of the installation notch 9, is of a hollow structure, the connection rope 10 is made of fiber materials, the bottom end of the sampling bottom ring 1 is provided with a plurality of alloy cutting heads, and the service life and the strength of the connection rope 10 in the using process are increased through the fiber materials.

Positioning hole 13 has all been seted up at operating ring 4 front side and rear side middle part, connecting rod 7 front side and rear side lower extreme all are provided with positioning spring piece 12 with the middle part, the installing port has all been seted up at the relative position that lies in positioning spring piece 12 to connecting rod 7, and when operating ring 4 moved relative position like this, will all make positioning spring piece 12 and the inside gomphosis butt joint of positioning hole 13 of front side and rear side to carry out spacing fixed to operating ring 4, prevent that not hard up condition can appear in the in-process of using in operating ring 4.

The utility model discloses a rock core body, including rock core body 2, connecting rod 7, connecting rod, frame cover 5, screw thread, operating ring 4, direct rotation place the frame cover 5 and drive fixed screw thread 6 and rotate, make fixed screw thread 6 inside around with the screw thread outside separation, make place frame cover 5 and use the confining force and up promote again and place frame cover 5, make and place 5 bottoms of frame cover and 2 upper ends of rock core body separation, reuse operating ring 4 is after the use is accomplished, down the spiral shell moves and places frame cover 5 and directly cover in operating ring 4 outsidely, prevent that the impurity of in-process outside from falling the inside condition that causes the jam of activity through-hole 11.

The working principle is as follows: the utility model discloses after carrying out from last down sample through rock core body 2, all press

positioning spring piece

12 and 13 inside separations of positioning hole again, press operating ring 4 down to move again, and drive action bars 3 down to move, just can make connection rope 10 lose the constraining force, thereby can also lose constraining force to activity dog 14, and the elasticity top flat 8 through being compression state drives activity dog 14 toward one side of keeping away from installation notch 9 and removes, and all make 14 bottoms of activity dog and the external bottom contact extrusion all around of appearance, thereby fix the appearance body after the sample, prevent the not hard up circumstances of dropping of appearance after the sample, then cause the problem of sample failure to take place.

Simultaneously when using the handle ring 4, direct rotation is placed the frame cover 5 and is driven fixed swivel nut 6 and rotate, make fixed swivel nut 6 inside all around with the outside separation of screw thread, make and place frame cover 5 and use the confining force and up promote again and place frame cover 5, make and place 5 bottoms of frame cover and the separation of 2 upper ends of rock core body, reuse handle ring 4 is after the use is accomplished, down the spiral shell moves and places 5 direct covers of frame cover 4 outsidely at handle ring, prevent that the outside impurity of in-process that uses from dropping to the inside condition that causes the jam of activity through-hole 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engineering drilling core pipe, includes core body (2), its characterized in that: core body (2) upper end middle part is provided with connector pole (7), installation notch (9) have all been seted up to core body (2) inside middle part lower extreme all around, installation notch (9) inside upper end all is provided with elasticity top flat (8), elasticity top flat (8) bottom all is provided with movable dog (14), connector pole (7) outside middle part is provided with operating ring (4), operating ring (4) bottom middle part all around all is provided with operating rod (3), operating rod (3) bottom all is provided with connects rope (10), connect rope (10) bottom and pass core body (2) and movable dog (14) one side fixed connection being close to installation notch (9).

2. An engineered drilling core barrel according to claim 1, wherein: operation ring (4) are overlooked and are the ring structure, activity through-hole (11) have all been seted up all around to the relative position that is located connection rope (10) to the core body (2) outside, the inside bottom of activity through-hole (11) and upper end all are hollow structure, elasticity top board (8) all adopt spring steel matter to make, elasticity top board (8) all are compression state.

3. An engineered drilling core barrel according to claim 1, wherein: the core body (2) bottom is provided with sample bottom ring (1), core body (2) and sample bottom ring (1) overlook and all are the ring structure, sample bottom ring (1) middle part and the inside lower extreme of core body (2) all are hollow structure, the inside diameter of sample bottom ring (1) is little with the inside diameter of core body (2).

4. An engineered drilling core barrel according to claim 3, wherein: the movable stop block (14) and the mounting notch (9) are both rectangular structures, one side of the mounting notch (9) far away from the connecting rope (10) is of a hollow structure, the connecting rope (10) is made of fiber materials, and a plurality of alloy cutting heads are arranged at the bottom end of the sampling bottom ring (1).

5. An engineered drilling core barrel according to claim 1, wherein: positioning through holes (13) are formed in the middle of the front side and the rear side of the operating ring (4), positioning spring blocks (12) are arranged at the lower ends of the front side and the rear side of the connecting machine rod (7) and the middle of the connecting machine rod, and mounting openings are formed in the relative positions of the connecting machine rod (7) located on the positioning spring blocks (12).

6. An engineered drilling core barrel according to claim 1, wherein: the rock core body (2) upper end is provided with places frame cover (5), place frame cover (5) upper end and set up and seted up the opening, it is provided with fixed swivel nut (6) to place frame cover (5) upper end middle part, the relative position that is located fixed swivel nut (6) is all seted up threadedly in connector pole (7) outside.