CN216767366U - Rotary speed indicator of mining drilling machine - Google Patents

Abstract

The utility model discloses a mining drill rotary speed indicator, which belongs to the technical field of gas extraction, and comprises a drill main body, wherein the drill main body at least comprises a feeding bottom plate, a speed change gear box and a gyrator, the speed change gear box is fixed at the upper end of the feeding bottom plate, the gyrator is in transmission connection with one end of the speed change gear box, and the mining drill rotary speed indicator also comprises: rotational speed survey mechanism, rotational speed survey mechanism is used for detecting the real-time rotational speed of rig, rotational speed survey mechanism includes clamp down, go up the clamp, magnet, the grip block under the L shape, two splines slide bar, two go up the grip block, two centre gripping fastening bolt, the slide rail, interior slider, protecting sheathing, hall sensor and display screen, it can audio-visual accurate rotational speed of surveing the rig, be convenient for confirm whether rig rotational speed and gas pressure match, thereby the life of better extension rig, and simultaneously, the device simple structure, the controllability has, the application scope of device has been improved.

Description

Rotary speed indicator of mining drilling machine

Technical Field

The utility model relates to the technical field of gas extraction, in particular to a rotation speed indicator of a mining drilling machine.

Background

China is a country with large coal mine storage capacity and large coal mine demand, and coal mines are used as important raw materials for industrial production and life production of China and play a significant role in Chinese economy. When a coal mine is mined, gas generally exists in a coal mine layer, and due to the complex topography, low ventilation coefficient and flammable and explosive characteristics of the gas, in order to improve the safety of underground operation, drilling equipment is needed to extract the gas in the coal mine layer, and then the coal mine is mined.

In the underground gas extraction drilling construction process, because the effect of gas pressure, can influence the drilling speed of rig, avoid the life that the construction reduces the rig under the too big condition of gas pressure, when pressure is greater than 15Mpa, will slow down the rotational speed of rig, however, the rig rotational speed can only be adjusted through the mode of adjusting the fender position to current rig mostly, the accurate rotational speed of unable audio-visual observation rig, can't confirm whether rig rotational speed and gas pressure match, be unfavorable for the life who prolongs the rig, we provide a mining rig gyration rotational speed indicator for this reason, be convenient for the rotational speed of audio-visual observation rig.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a rotary speed indicator for a mining drilling machine, which can visually observe the accurate rotary speed of the drilling machine so as to confirm whether the rotary speed of the drilling machine is matched with the gas pressure or not, is convenient for better prolonging the service life of the drilling machine, and is simple in structure, adjustable, wide in application range and convenient for popularization.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A mining drill rotary speed indicator comprises a drill main body, wherein the drill main body at least comprises a feeding bottom plate, a speed change gear box and a gyrator, the speed change gear box is fixed at the upper end of the feeding bottom plate, and the gyrator is in transmission connection with one end of the speed change gear box;

further comprising:

and the rotating speed measuring mechanism is used for detecting the real-time rotating speed of the drilling machine.

Furthermore, the rotating speed measuring mechanism comprises a lower clamp, an upper clamp, a magnet, an L-shaped lower clamping plate, two rotation stopping sliding rods, two upper clamping plates, two clamping fastening bolts, a sliding rail, an inner sliding block, a protective shell, a Hall sensor and a display screen;

the lower hoop is positioned at the lower end of the gyrator, the upper hoop is arranged at the upper end of the lower hoop, and the magnet is fixed inside the upper hoop;

the L-shaped lower clamping plate is positioned at one end of the bottom of the feeding bottom plate, the two rotation stopping slide bars are fixed at the top of the L-shaped lower clamping plate, the two upper clamping plates are respectively connected to the outer sides of the two rotation stopping slide bars in a sliding manner, the two clamping fastening bolts are inserted into the two upper clamping plates, and the lower ends of the outer sides of the two clamping fastening bolts are in threaded connection with the L-shaped lower clamping plate;

the utility model discloses a slide rail welding clamp, including slide rail, protective housing, hall sensor, display screen, slide rail, interior slider sliding connection, slide rail, protective housing is fixed in the top of interior slider, hall sensor is fixed in protective housing's inside, just hall sensor's detection head extends to protective housing's upper end, one side that the display screen is fixed in protective housing, protective housing's inside is provided with the controller, just all through wire electric connection between hall sensor and controller and display screen and the controller.

Further, the lower clamp is connected with one side of the upper clamp in a rotating mode, and the other side of the lower clamp is fixedly connected with the other side of the upper clamp through a hexagon bolt.

Furthermore, the top of the L-shaped lower clamping plate and the top of the upper clamping plate are both provided with anti-skid grains.

Furthermore, the inner thread of the inner sliding block is connected with a positioning bolt, and the lower end of the positioning bolt can extend out of the inner sliding block to abut against the sliding rail.

Further, the display screen is an LCD screen.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme passes through the cooperation between magnet, hall sensor and the display screen to whether the accurate rotational speed of audio-visual observation rig is convenient for confirm rig rotational speed and gas pressure and is matchd, the life of the better extension rig of being convenient for.

(2) This scheme is through feeding the cooperation of bottom plate, gyrator and rotational speed survey mechanism for device simple structure has the controllability, has improved the application scope of device, the popularization of the device of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the rotational speed measuring mechanism according to the present invention;

FIG. 4 is a right side view showing the structure of the rotation speed measuring mechanism of the present invention.

The reference numbers in the figures illustrate:

1. a drill body; 2. a feed shoe; 3. a change speed gear box; 4. a gyrator; 5. a rotation speed measuring means; 6. positioning the bolt; 7. a lower hoop; 8. an upper hoop; 9. a magnet; 10. an L-shaped lower clamping plate; 11. a rotation stopping slide bar; 12. an upper clamping plate; 13. clamping the fastening bolt; 14. a slide rail; 15. an inner slide block; 16. a protective housing; 17. a Hall sensor; 18. a display screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-4, a rotary speed indicator of a mining drill comprises a drill body 1, wherein the drill body 1 at least comprises a feeding bottom plate 2, a speed change gear box 3 and a gyrator 4, the speed change gear box 3 is fixed at the upper end of the feeding bottom plate 2, and the gyrator 4 is in transmission connection with one end of the speed change gear box 3;

further comprising:

the rotating speed measuring mechanism 5 is used for detecting the real-time rotating speed of the drilling machine;

the rotating speed measuring mechanism 5 comprises a lower hoop 7, an upper hoop 8, a magnet 9, an L-shaped lower clamping plate 10, two rotation stopping slide bars 11, two upper clamping plates 12, two clamping fastening bolts 13, a slide rail 14, an inner slide block 15, a protective shell 16, a Hall sensor 17 and a display screen 18;

the lower clamp 7 is positioned at the lower end of the gyrator 4, the upper clamp 8 is arranged at the upper end of the lower clamp 7, and the magnet 9 is fixed inside the upper clamp 8;

here, one side of the lower clamp 7 and one side of the upper clamp 8 are rotatably connected, and the other side of the lower clamp 7 and the other side of the upper clamp 8 are fixedly connected through a hexagon bolt;

when the clamp is used, the lower clamp 7 and the upper clamp 8 are placed on the outer side of the gyrator 4, and the lower clamp 7 and the upper clamp 8 are clamped on the outer side of the gyrator 4 through the hexagon bolts;

the L-shaped lower clamping plate 10 is positioned at one end of the bottom of the feeding bottom plate 2, the two rotation stopping slide bars 11 are both fixed at the top of the L-shaped lower clamping plate 10, the two upper clamping plates 12 are respectively connected to the outer sides of the two rotation stopping slide bars 11 in a sliding manner, the two clamping fastening bolts 13 are inserted into the two upper clamping plates 12, and the lower ends of the outer sides of the two clamping fastening bolts 13 are in threaded connection with the L-shaped lower clamping plate 10;

the sliding rail 14 is welded inside the L-shaped lower clamping plate 10, the inner sliding block 15 is connected inside the sliding rail 14 in a sliding mode, the protective shell 16 is fixed to the top of the inner sliding block 15, the Hall sensor 17 is fixed inside the protective shell 16, the detection head of the Hall sensor 17 extends to the upper end of the protective shell 16, the display screen 18 is fixed on one side of the protective shell 16, the controller is arranged inside the protective shell 16, and the Hall sensor 17 and the controller are electrically connected through wires as well as the display screen 18 and the controller;

when the device is used, the inner slide block 15 is slid according to the position of the magnet 9, and then the position of the Hall sensor 17 is adjusted, so that the Hall sensor 17 and the magnet 9 are positioned on the same vertical plane;

the top of the L-shaped lower clamping plate 10 and the top of the upper clamping plate 12 are both provided with anti-skid grains, so that the clamping stability is improved conveniently;

the inner part of the inner slide block 15 is connected with a positioning bolt 6 in a threaded manner, and the lower end of the positioning bolt 6 can extend out of the inner slide block 15 to be abutted against the slide rail 14, so that the inner slide block 15 can be conveniently fixed;

preferably, the display screen 18 is an LCD screen, which facilitates the service life and display effect of the screen.

When in use: placing a lower clamp 7 and an upper clamp 8 on the outer side of the gyrator 4, and enabling the lower clamp 7 and the upper clamp 8 to be clamped on the outer side of the gyrator 4 through a hexagon bolt;

placing an L-shaped lower clamping plate 10 at one end of the bottom of the feeding bottom plate 2, placing an upper clamping plate 12 at one end of the top of the feeding bottom plate 2, and fixing the L-shaped lower clamping plate 10 and the upper clamping plate 12 at the outer side of the feeding bottom plate 2 through clamping a fastening bolt 13;

sliding the inner slide block 15, adjusting the position of the inner slide block 15 to enable the Hall sensor 17 and the magnet 9 to be positioned on the same vertical plane, rotating the positioning bolt 6, and when the bottom of the positioning bolt 6 is abutted against the slide rail 14, fixing the inner slide block 15 by the positioning bolt 6;

the drilling machine main body 1 is started, the drilling machine main body 1 is enabled to operate, the gyrator 4 drives the lower clamp 7 and the upper clamp 8 to rotate through rotation of the gyrator 4, the upper clamp 8 drives the magnet 9 to rotate through fixed connection of the upper clamp 8 and the magnet 9, and when the magnet 9 rotates to the lowest position, the Hall sensor 17 receives an electromagnetic signal and sends the electromagnetic signal to the controller;

the rotation speed of the drilling machine can be known by recording the electromagnetic signals received within every minute through the controller in a circulating reciprocating mode, and then the real-time rotation speed of the drilling machine is displayed to the outside through the display screen 18.

The above are merely preferred embodiments of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides a mining rig gyration rotational speed indicator, includes rig main part (1), its characterized in that: the drilling machine main body (1) at least comprises a feeding bottom plate (2), a speed change gear box (3) and a gyrator (4), the speed change gear box (3) is fixed at the upper end of the feeding bottom plate (2), and the gyrator (4) is in transmission connection with one end of the speed change gear box (3);

further comprising:

and the rotating speed measuring mechanism (5) is used for detecting the real-time rotating speed of the drilling machine.

2. The mining drill slewing rotational speed indicator of claim 1, characterized in that: the rotating speed measuring mechanism (5) comprises a lower clamp (7), an upper clamp (8), a magnet (9), an L-shaped lower clamping plate (10), two rotation-stopping sliding rods (11), two upper clamping plates (12), two clamping fastening bolts (13), a sliding rail (14), an inner sliding block (15), a protective shell (16), a Hall sensor (17) and a display screen (18);

the lower clamp (7) is positioned at the lower end of the gyrator (4), the upper clamp (8) is arranged at the upper end of the lower clamp (7), and the magnet (9) is fixed inside the upper clamp (8);

the L-shaped lower clamping plate (10) is positioned at one end of the bottom of the feeding bottom plate (2), the two rotation stopping sliding rods (11) are fixed at the top of the L-shaped lower clamping plate (10), the two upper clamping plates (12) are respectively connected to the outer sides of the two rotation stopping sliding rods (11) in a sliding mode, the two clamping fastening bolts (13) are inserted into the two upper clamping plates (12), and the lower ends of the outer sides of the two clamping fastening bolts (13) are in threaded connection with the L-shaped lower clamping plate (10);

slide rail (14) weld in the inside of grip block (10) under the L shape, interior slider (15) sliding connection is in the inside of slide rail (14), protective housing (16) are fixed in the top of interior slider (15), hall sensor (17) are fixed in the inside of protective housing (16), just hall sensor (17) detect the head and extend to the upper end of protective housing (16), display screen (18) are fixed in one side of protective housing (16), the inside of protective housing (16) is provided with the controller, just all through wire electric connection between hall sensor (17) and controller and display screen (18) and the controller.

3. The mining drill slewing rotational speed indicator of claim 2, characterized in that: one side of lower clamp (7) and last clamp (8) is rotated and is connected, just the opposite side of lower clamp (7) and last clamp (8) passes through hex bolts fixed connection.

4. The mining drill slewing speed indicator according to claim 2, characterized in that: the top of the L-shaped lower clamping plate (10) and the top of the upper clamping plate (12) are both provided with anti-skid grains.

5. The mining drill slewing rotational speed indicator of claim 2, characterized in that: the inner thread of the inner sliding block (15) is connected with a positioning bolt (6), and the lower end of the positioning bolt (6) can extend out of the inner sliding block (15) to abut against the sliding rail (14).

6. The mining drill slewing rotational speed indicator of claim 2, characterized in that: the display screen (18) is an LCD screen.

Images