CN216665598U

CN216665598U - Drill rod for coal mine geological drilling

Info

Publication number: CN216665598U
Application number: CN202123252605.4U
Authority: CN
Inventors: 杨刚; 张锁纪; 吉青青
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-03
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of geological drilling, and discloses a drill rod for coal mine geological drilling, which comprises a support, wherein the inner walls of the left end and the right end of the support are respectively and fixedly connected with the left end and the right end of a hydraulic cylinder, the driving end of the hydraulic cylinder penetrates through the top end of the support and is fixedly connected with a top plate, the left side and the right side of the bottom end of the top plate are respectively and fixedly connected with a sliding rod, the bottom end of the sliding rod is respectively and fixedly connected with the left side and the right side of the top end of a sliding table, and a drilling machine is fixedly connected with the front end of the sliding table. According to the utility model, soil is sampled through the sampling hole when the drilling rod body performs drilling, the pulling plate is pulled to slide downwards after the drilling is finished, the pressing block drives the sliding block to move and push out a sample in the sampling hole, the collection and analysis of the soil sample are facilitated, the practicability is strong, the spiral piece and the drilling rod body can be conveniently further deepened after the hard geological formation is damaged through the tungsten steel contact, the drilling rod stability in the drilling process is high, and the drilling efficiency is high.

Description

Drill rod for coal mine geological drilling

Technical Field

The utility model relates to the technical field of geological drilling, in particular to a drill rod for coal mine geological drilling.

Background

Geological drilling refers to a geological project which utilizes certain drilling mechanical equipment and processes to obtain core rocks below the earth surface and make reliable evaluation on geological and mineral resource parameters, along with the rapid development of social economy, the demand of coal is more and more large, the new coal mining exploration is the guarantee of the coal production, and the task of the coal exploration comprises understanding coal-bearing strata, coal beds and stopable coal beds, coal quality and coal types, structures, hydrogeological conditions and other mining technical conditions.

Chinese patent document CN213627455U discloses a geological drill rod for coal mining, including the riser, the spout has been seted up to the surface of riser, and the inner wall joint of spout has the movable rod, and the one end fixedly connected with fixed plate of movable rod, one side threaded connection of fixed plate have the dead lever, and the other end fixedly connected with clamp splice of movable rod, the spacing groove has been seted up to the upper surface of clamp splice, and one side threaded connection of clamp splice has the push rod, and the inner wall joint of spacing groove has the stripper plate. This geological drilling rod is used in coal mine excavation, can be with drilling rod instrument, fix inside the clamp splice, not hard up dead lever, make drilling rod instrument can the downstream, do not need constructor to hold this drilling rod instrument to carry out the instrument always, constructor's working strength has been alleviateed, also can improve the probing speed, can not waste time, can strengthen the stability fixed to drilling rod instrument, the vibrations that produce when having reduced drilling rod instrument function can become flexible the clamp splice fixed to drilling rod instrument, and make fixing that the device can be stable subaerial, but it can not collect soil sample, inconvenient carry out the analysis to the geological environment, whole practicality is lower, meet harder stratum and hinder easily at probing in-process drilling rod simultaneously, lead to the probing efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a drill rod for coal mine geological drilling.

In order to achieve the purpose, the utility model adopts the following technical scheme: a drill rod for coal mine geological drilling comprises a support, wherein the inner walls of the left end and the right end of the support are fixedly connected to the left end and the right end of a hydraulic cylinder respectively, a driving end of the hydraulic cylinder penetrates through the top end of the support and is fixedly connected with a top plate, the left side and the right side of the bottom end of the top plate are fixedly connected with slide bars respectively, the bottom ends of the slide bars are fixedly connected to the left side and the right side of the top end of a sliding table respectively, a drilling machine is fixedly connected to the front end of the sliding table, the middle part of the bottom end of the drilling machine is connected with a drill rod body through a flange, the bottom end of the drill rod body is in threaded connection with a drill bit, the inner wall of the right side of the drill rod body is in sliding connection with a pull plate, the left end of the pull plate is fixedly connected with a plurality of press blocks, sampling holes are formed in positions, corresponding to the press blocks, the inner walls of the sampling holes are all in sliding connection with slide blocks, and the right sides of the outer diameters of the slide blocks are fixedly connected with a fixing plate, the left end top and the bottom of fixed plate are all fixedly connected at the one end of spring, the other end of spring is all fixedly connected at the left side inner wall of drilling rod body.

As a further description of the above technical solution:

and one end of the inner side of the sliding rod is connected to the inner wall of the support in a sliding manner.

As a further description of the above technical solution:

the rear end sliding connection of slip table is at the front end of support, the equal fixedly connected with backup pad in the bottom left and right sides of support.

As a further description of the above technical solution:

the outer diameter of the bottom end of the drilling machine is fixedly connected with a plurality of laser lamps.

As a further description of the above technical solution:

the outer diameter of the rod body of the drill rod body is fixedly connected with a spiral sheet.

As a further description of the above technical solution:

the bottom end of the drill bit is fixedly connected with a tungsten steel contact, and a plurality of bulges are arranged on the outer diameter of the drill bit.

As a further description of the above technical solution:

and a movable groove is formed in the position, corresponding to the pulling plate, of the right side of the top end of the drill rod body.

As a further description of the above technical solution:

the bottom of briquetting and the top of slider all set up to the inclined plane.

The utility model has the following beneficial effects:

1. according to the utility model, the drill rod body samples soil through the sampling hole during drilling, the pull plate is pulled to slide downwards after the drilling is finished, the slide block is driven to move through the press block and push out a sample in the sampling hole, then the slide block can be reset through the spring, the collection and analysis of the soil sample are facilitated, and the practicability is high.

2. According to the drilling device, the drilling machine drives the drill rod body to rotate, meanwhile, the hydraulic cylinder drives the sliding table to descend, the drill rod body conducts drilling on the ground, the drill bit firstly contacts the ground during drilling, the hard geological layer is damaged through the tungsten steel contact, then the spiral sheet and the drill rod body can be conveniently and further penetrated, the stability of the drill rod during drilling is high, and the drilling efficiency is high.

Drawings

FIG. 1 is a perspective view of a drill rod for geological drilling in coal mines according to the present invention;

FIG. 2 is a schematic structural diagram of a drill bit of the drill rod for geological drilling of coal mines, which is provided by the utility model;

FIG. 3 is a schematic view of an internal structure of a drill rod body of the drill rod for geological drilling of coal mine according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Illustration of the drawings:

1. a support; 2. a drilling machine; 3. a laser light; 4. a drill rod body; 5. a spiral sheet; 6. a drill bit; 7. a support plate; 8. a sliding table; 9. a hydraulic cylinder; 10. a slide bar; 11. a top plate; 12. a tungsten steel contact; 13. a protrusion; 14. a sampling hole; 15. pulling a plate; 16. a movable groove; 17. briquetting; 18. a slider; 19. a fixing plate; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a drill rod for coal mine geological drilling comprises a support 1, wherein the inner walls of the left end and the right end of the support 1 are respectively and fixedly connected with the left end and the right end of a hydraulic cylinder 9, the driving end of the hydraulic cylinder 9 penetrates through the top end of the support 1 and is fixedly connected with a top plate 11, the left side and the right side of the bottom end of the top plate 11 are respectively and fixedly connected with a slide rod 10, the bottom end of the slide rod 10 is respectively and fixedly connected with the left side and the right side of the top end of a sliding table 8, a drilling machine 2 is fixedly connected with the front end of the sliding table 8, the middle part of the bottom end of the drilling machine 2 is connected with a drill rod body 4 through a flange, the bottom end of the drill rod body 4 is in threaded connection with a drill bit 6, the inner wall of the right side of the drill rod body 4 is in sliding connection with a pull plate 15, the left end of the pull plate 15 is fixedly connected with a plurality of press blocks 17, sampling holes 14 are respectively arranged at positions, the inner walls of the sampling holes 14 are respectively in sliding connection with slide blocks 18, and the right sides of the outer diameters of the slide blocks are respectively and are fixedly connected with a fixing plate 19, the equal fixed connection in the one end of spring 20 in left end top and bottom of fixed plate 19, the equal fixed connection in the left side inner wall of drilling rod body 4 of the other end of spring 20, sample soil through sampling hole 14 on drilling rod body 4 at the probing in-process, make its lapse through pulling arm-tie 15 after the probing is accomplished, drive the slider 18 through briquetting 17 and remove and release the sample in the sampling hole 14, the convenient collection analysis to the soil sample.

One end of the inner side of a sliding rod 10 is connected to the inner wall of a support 1 in a sliding mode, the rear end of a sliding table 8 is connected to the front end of the support 1 in a sliding mode, supporting plates 7 are fixedly connected to the left side and the right side of the bottom end of the support 1, the stability of the whole device is improved through the supporting plates 7, a plurality of laser lamps 3 are fixedly connected to the outer diameter of the bottom end of a drilling machine 2, the drilling head 6 is convenient to position, whether the drilling rod deforms or not can be found in time, the drilling rod can be replaced in time, a spiral piece 5 is fixedly connected to the outer diameter of a rod body 4, a tungsten steel contact 12 is fixedly connected to the bottom end of the drilling head 6, after a hard geological layer is damaged through the tungsten steel contact 12, the spiral piece 5 and the drilling rod body 4 can be further deep, a plurality of protrusions 13 are arranged at the outer diameter of the drilling head 6, the smashing effect of the drilling head 6 on the geological layer is improved, a movable groove 16 is formed in the position, corresponding to a pulling plate 15, on the right side of the top end of the drilling rod body 4, the bottom of briquetting 17 and the top of slider 18 all set up to the inclined plane, and mutual extrusion through both inclined planes of briquetting 17 and slider 18 makes things convenient for taking out of sample.

The working principle is as follows: at first, drive drilling rod body 4 through rig 2 and rotate, it descends to drive slip table 8 through pneumatic cylinder 9 simultaneously, drilling rod body 4 is bored on ground, drill bit 6 at first contacts ground when boring, destroy the convenient further deepening of back flight 5 and drilling rod body 4 with hard geological stratification through tungsten steel contact 12, drill bit 6 is convenient for the change of drill bit 6 through being connected with drilling rod body 4 screw thread simultaneously, the boring process drilling rod stability is high, and the boring efficiency is high, sample soil through sampling hole 14 on drilling rod body 4 in the boring process, make its lapse through pulling arm-tie 15 after the boring is accomplished, drive slider 18 through briquetting 17 and remove and release the sample in the sampling hole 14, then can reset slider 18 through spring 20, the collection analysis to soil sample is convenient, therefore, the clothes hanger is strong in practicability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A drilling rod for coal mine geological drilling comprises a support (1) and is characterized in that: the inner walls of the left end and the right end of the support (1) are fixedly connected with the left end and the right end of the hydraulic cylinder (9) respectively, the driving end of the hydraulic cylinder (9) penetrates through the top end of the support (1) and is fixedly connected with a top plate (11), the bottom left side and the bottom right side of the top plate (11) are fixedly connected with slide rods (10), the bottom end of each slide rod (10) is fixedly connected with the top left side and the bottom right side of a sliding table (8) respectively, a drilling machine (2) is fixedly connected with the front end of the sliding table (8), the middle part of the bottom end of the drilling machine (2) is connected with a drill rod body (4) through a flange, a drill bit (6) is connected with the bottom thread of the drill rod body (4), a pull plate (15) is slidably connected with the inner wall of the right side of the drill rod body (4), a plurality of press blocks (17) are fixedly connected with the left end of the pull plate (15), sampling holes (14) are formed in positions, corresponding to the press blocks (17), on the inner wall of the left side of the drill rod body (4), the equal sliding connection of inner wall of sampling hole (14) has slider (18), the equal fixedly connected with fixed plate (19) in external diameter right side of slider (18), the equal fixed connection in one end of spring (20) in left end top and the bottom of fixed plate (19), the equal fixed connection in the left side inner wall of drilling rod body (4) of the other end of spring (20).

2. The drill rod for coal mine geological drilling according to claim 1, characterized in that: one end of the inner side of the sliding rod (10) is connected to the inner wall of the bracket (1) in a sliding manner.

3. The drill rod for coal mine geological drilling according to claim 1, characterized in that: the rear end sliding connection of slip table (8) is in the front end of support (1), the equal fixedly connected with backup pad (7) of the bottom left and right sides of support (1).

4. The drill rod for coal mine geological drilling according to claim 1, characterized in that: the outer diameter of the bottom end of the drilling machine (2) is fixedly connected with a plurality of laser lamps (3).

5. The drill rod for coal mine geological drilling according to claim 1, characterized in that: the outer diameter of the rod body of the drill rod body (4) is fixedly connected with a spiral sheet (5).

6. The drill rod for coal mine geological drilling according to claim 1, characterized in that: the bottom end of the drill bit (6) is fixedly connected with a tungsten steel contact (12), and a plurality of bulges (13) are arranged at the outer diameter of the drill bit (6).

7. The drill rod for coal mine geological drilling according to claim 1, characterized in that: a movable groove (16) is formed in the position, corresponding to the pulling plate (15), of the right side of the top end of the drill rod body (4).

8. The drill rod for coal mine geological drilling according to claim 1, characterized in that: the bottom end of the pressing block (17) and the top end of the sliding block (18) are both arranged to be inclined planes.