Coal mine geological drilling auxiliary device

Abstract

The utility model discloses a coal mine geological drilling auxiliary device, which relates to the technical field of drilling auxiliary devices, and comprises a horn cover, an L-shaped connecting arm, a chassis, a fixed hole arm and a buffer rubber sheet, the horn cover and the chassis are distributed on the outer side of a drilling rod, the horn cover is used for intercepting splashed stone particles in drilling operation, and the L-shaped connecting arm is used for connecting the L-shaped connecting arm and the chassis. The buffer rubber sheet is used for buffering splashed stone particles impacting the horn cover; a cleaning assembly is arranged between the bottom of the horn cover and the top of the base plate and used for scraping and cleaning stone particles falling on the top of the base plate. Splashing stone particles are intercepted through the horn cover with the buffering rubber piece, the safety of drilling operation is further improved, meanwhile, stone particles on the upper surface of the chassis can be cleaned through the cleaning assembly, the area, close to a drill rod, of the upper surface of the chassis is kept in the state that few stone particles exist, and the drilling efficiency is improved. Therefore, stable operation of the drilling equipment can be guaranteed conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to drilling auxiliary device technical field, specifically a coal mine geological drilling auxiliary device. BACKGROUND

[0002] Geological drilling refers to the means that utilizes mechanical equipment or tool to drill a hole in rock (soil) layer and takes out rock (soil) core (sample) to understand geological conditions, is abbreviated as drilling, and drilling technology plays a huge role in coal mine geological structure determination and mineral resources determination and the like, can determine stratum sequence, divides coal-bearing strata in detail, studies its sedimentary environment characteristics and coal accumulation characteristics, finds out the distribution range of workable coal seam horizon, thickness and main coal seam, provides the basis for coal mine construction prospect planning.

[0003] In the coal mine geological drilling process, the drilling machine will break the stone on the ground and take it out of the ground when working, and the broken stone will splash, and the flying speed is relatively fast when splashing, and when there are construction workers around, it is easy to be injured by the splashing stone, based on this, a coal mine geological drilling auxiliary device is provided. UTILITY MODEL CONTENT

[0004] The utility model discloses a coal mine geological drilling auxiliary device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a coal mine geological drilling auxiliary device, including loudspeaker cover, the top periphery of loudspeaker cover is fixed with a plurality of L type connecting arms, a plurality of L type connecting arms's bottom is fixed with bottom disc, and the periphery of bottom disc is integrally formed with fixed hole arm, and the fixed hole arm is inserted into the soil layer through the ground nail and is used for realizing the fixation of loudspeaker cover and ground.

[0006] The inner side of the loudspeaker cover is adhesively fixed with a plurality of annularly distributed buffer films, the loudspeaker cover and the bottom disc are distributed on the outer side of the drill rod, the loudspeaker cover is used for intercepting the splashing stone of the drilling operation, and the buffer film is used for buffering the splashing stone hitting the loudspeaker cover.

[0007] The bottom of the loudspeaker cover and the top of the bottom disc are provided with a cleaning assembly, and the cleaning assembly is used for scraping and cleaning the stone falling on the top of the bottom disc.

[0008] As a further scheme of the utility model: the cleaning assembly includes a concave track, a rotating ring tooth, an arc-shaped scraper, a speed reducer motor, a connecting frame and a driving gear.

[0009] The concave ring rail is fixed to the bottom end of the horn cover, the rotating ring tooth is rotatably connected to the outside of the concave ring rail, the speed reducer motor is distributed on the outside of the horn cover and the fixed connecting frame is fixedly connected to an L-shaped connecting arm, the fixed connecting frame is fixed to the output end of the speed reducer motor and is engaged with the rotating ring tooth;

[0010] The arc-shaped scraper is fixed to the bottom end of the rotating ring tooth and the bottom end of the arc-shaped scraper is attached to the upper surface of the bottom disc, the rotating ring tooth is driven to rotate by the speed reducer motor to realize the circumferential movement of the arc-shaped scraper, and the circumferential movement of the arc-shaped scraper is used to scrape the stones on the upper surface of the bottom disc to make the stones away from the horn cover.

[0011] As a further scheme of the utility model: a plurality of arc-shaped scrapers are arranged at the bottom end of the rotating ring tooth, the plurality of arc-shaped scrapers are uniformly distributed in a circle, and the distribution outer diameter of the plurality of arc-shaped scrapers, the top hole diameter of the horn cover and the inner ring diameter of the bottom disc are smaller than the outer diameter of the drill rod.

[0012] As a further scheme of the utility model: the distribution outer diameter of the plurality of arc-shaped scrapers is smaller than the distribution inner diameter of the vertical part of the plurality of L-shaped connecting arms.

[0013] As a further scheme of the utility model: a plurality of groups of buffer rubber sheets are arranged along the vertical inclined inner wall of the horn cover, and there is an overlapping area between the upper end and the lower end of the adjacent two groups of buffer rubber sheets.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The horn cover with the buffer rubber sheet is arranged to intercept the splashing stones, the safety of the drilling operation is further improved, the stones on the upper surface of the bottom disc can be cleaned by the arrangement of the cleaning assembly, the area of the upper surface of the bottom disc close to the drill rod is kept in a state of less stones, and therefore the stable operation of the drilling equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural sectional view of the utility model;

[0018] Fig. 3 It is a sectional split view of the utility model.

[0019] In the drawing: 1, horn cover; 2, buffer rubber sheet; 3, L-shaped connecting arm; 4, bottom disc; 5, fixed hole arm; 6, cleaning assembly; 601, concave ring rail; 602, rotating ring tooth; 603, arc-shaped scraper; 604, speed reducer motor; 605, fixed connecting frame; 606, driving gear. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0021] Please refer to Figs. 1-3 In the embodiments of the utility model, a coal mine geological drilling auxiliary device includes a horn cover 1, a plurality of L-shaped connecting arms 3 are fixed on the top periphery of the horn cover 1, a bottom plate 4 is fixed on the bottom of the plurality of L-shaped connecting arms 3, a plurality of fixing hole arms 5 are integrally formed on the periphery of the bottom plate 4, the fixing hole arms 5 are penetrated by ground nails and inserted into the soil layer to fix the horn cover 1 and the ground;

[0022] A plurality of annularly distributed buffer films 2 are fixedly attached to the inner side of the horn cover 1, the horn cover 1 and the bottom plate 4 are distributed on the outer side of the drill rod, the horn cover 1 is used to intercept the splashing stone particles during drilling operation, and the buffer film 2 is used to buffer the splashing stone particles impacting the horn cover 1;

[0023] A cleaning assembly 6 is arranged between the bottom of the horn cover 1 and the top of the bottom plate 4, and the cleaning assembly 6 is used to scrape and clean the stone particles falling on the top of the bottom plate 4;

[0024] The cleaning assembly 6 includes a concave track 601, a rotating ring tooth 602, an arc-shaped scraper 603, a speed reducer motor 604, a connecting frame 605 and a driving gear 606;

[0025] The concave track 601 is fixed to the bottom end of the horn cover 1, the rotating ring tooth 602 is rotatably connected to the outer side of the concave track 601, the speed reducer motor 604 is distributed on the outer side of the horn cover 1, and the connecting frame 605 is fixedly connected to one L-shaped connecting arm 3, the connecting frame 605 is fixed to the output end of the speed reducer motor 604 and is engaged with the rotating ring tooth 602;

[0026] The arc-shaped scraper 603 is fixed to the bottom end of the rotating ring tooth 602, and the bottom end of the arc-shaped scraper 603 is attached to the upper surface of the bottom plate 4, the rotating ring tooth 602 is driven to rotate by the speed reducer motor 604 to realize the circumferential operation of the arc-shaped scraper 603, and the circumferentially operated arc-shaped scraper 603 is used to scrape the stone particles on the upper surface of the bottom plate 4 to make the stone particles away from the horn cover 1;

[0027] A plurality of groups of buffer films 2 are arranged along the vertical inclined inner wall of the horn cover 1, and there is an overlapping area between the upper and lower ends of the adjacent two groups of buffer films 2.

[0028] In this embodiment: this auxiliary device is mainly used for intercepting and protecting the splashing stone particles during drilling, and the use method is as follows:

[0029] Place the whole device at the position to be drilled, with the center of the horn cover 1 and the base plate 4 coinciding with the drilling center, and then fix the horn cover 1 to the ground by penetrating the plurality of fixed hole arms 5 through the ground nails and inserting them into the soil layer;

[0030] Then the drilling equipment can be used normally, and the drill rod passes through the center area of the horn cover 1 and the base plate 4 in turn. During the drilling operation, the splashing stones will splash upwards and contact the buffer film 2, which will be deformed under the impact, thereby buffering the impact force of the stones. In this way, not only the impact of the stones on the horn cover 1 is reduced, but also the rebound caused by the hard collision of the stones with the horn cover 1 is reduced.

[0031] Then, the stones will fall to the base plate 4 under the action of gravity, and the above-mentioned cooperation of multiple parts can achieve the interception of splashing stones, further improving the safety of drilling operations.

[0032] At the same time, the accumulation of stones on the base plate 4 will affect the subsequent drilling operation, so the speed reducer motor 604 can be started, the speed reducer motor 604 drives the driving gear 606 to rotate, the driving gear 606 drives the rotating ring gear 602 to rotate, the rotating ring gear 602 drives the arc-shaped scraper 603 to run in a circle, and the arc-shaped scraper 603 running in a circle performs wall scraping operation on the upper surface of the base plate 4, so that the stones falling on the upper surface of the base plate 4 move along the arc-shaped side surface of the arc-shaped scraper 603 to the outside area of the base plate 4, and finally the stones are moved out to the outside area of the horn cover 1. At this time, the workers can remove these stones by other tools, so that the area of the upper surface of the base plate 4 close to the drill rod remains in a state of less stones, which facilitates the stable operation of the drilling equipment.

[0033] Please refer to Figs. 1-3 , the arc-shaped scraper 603 is provided at the bottom end of the rotating ring gear 602, and the plurality of arc-shaped scrapers 603 are uniformly distributed in a circle. The distribution inner diameter of the plurality of arc-shaped scrapers 603, the top hole diameter of the horn cover 1, and the inner ring diameter of the base plate 4 are smaller than the outer diameter of the drill rod.

[0034] The distribution outer diameter of the plurality of arc-shaped scrapers 603 is smaller than the distribution inner diameter of the vertical part of the plurality of L-shaped connecting arms 3.

[0035] In this embodiment, the circular movement of the arc-shaped scraper 603 does not interfere with or collide with the drill rod and the L-shaped connecting arm 3, which ensures the operation of the equipment.

[0036] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A coal mine geology drilling auxiliary device, comprising a horn cover (1), characterized in that, The top periphery of the horn cover (1) is fixed with a plurality of L-shaped connecting arms (3), the bottom of the plurality of L-shaped connecting arms (3) is fixed with a chassis (4), the periphery of the chassis (4) is integrally formed with a fixing hole arm (5), and the fixing hole arm (5) is penetrated by a ground nail and inserted into the soil layer to fix the horn cover (1) to the ground. The inner side of the horn cover (1) is adhesively fixed with a plurality of annularly distributed buffer rubber sheets (2), the horn cover (1) and the chassis (4) are distributed on the outer side of the drill rod, the horn cover (1) is used for intercepting splashed stones during drilling operation, and the buffer rubber sheet (2) is used for buffering the splashed stones impacting the horn cover (1). The bottom of the horn cover (1) and the top of the chassis (4) are provided with a cleaning assembly (6), and the cleaning assembly (6) is used for scraping and cleaning the stones falling on the top of the chassis (4).

2. The coal mine geological drilling auxiliary device according to claim 1, characterized in that, The cleaning assembly (6) comprises a concave ring rail (601), a rotating ring tooth (602), an arc-shaped scraper (603), a speed reducer motor (604), a connecting frame (605) and a driving gear (606). The concave ring rail (601) is fixed to the bottom end of the horn cover (1), the rotating ring tooth (602) is rotatably connected to the outer side of the concave ring rail (601), the speed reducer motor (604) is distributed on the outer side of the horn cover (1) and the connecting frame (605) is fixedly connected to one L-shaped connecting arm (3), the connecting frame (605) is fixed to the output end of the speed reducer motor (604) and engaged with the rotating ring tooth (602). The arc-shaped scraper (603) is fixed to the bottom end of the rotating ring tooth (602), the bottom end of the arc-shaped scraper (603) is attached to the upper surface of the chassis (4), the rotating ring tooth (602) is driven to rotate by the speed reducer motor (604) to realize the circumferential movement of the arc-shaped scraper (603), and the circumferential movement of the arc-shaped scraper (603) is used for scraping the stones on the upper surface of the chassis (4) to move away from the horn cover (1).

3. A coal mine geological drilling auxiliary device according to claim 2, characterized in that, A plurality of arc-shaped scrapers (603) are arranged at the bottom end of the rotating ring tooth (602), the plurality of arc-shaped scrapers (603) are uniformly distributed in a circle, and the distribution inner diameter of the plurality of arc-shaped scrapers (603), the top hole diameter of the horn cover (1) and the inner ring diameter of the chassis (4) are smaller than the outer diameter of the drill rod.

4. The coal mine geological drilling auxiliary device according to claim 2, characterized in that, The distribution outer diameter of the plurality of arc-shaped scrapers (603) is smaller than the distribution inner diameter of the vertical part of the plurality of L-shaped connecting arms (3).

5. The coal mine geological drilling auxiliary device according to claim 1, characterized in that, A plurality of groups of buffer rubber sheets (2) are arranged along the vertical inclined inner wall of the horn cover (1), and there is an overlapping area between the upper and lower ends of the adjacent two groups of buffer rubber sheets (2).

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