CN212105763U - Wireless relay type electromagnetic wave measurement while drilling device for coal mine - Google Patents

Abstract

The utility model discloses a colliery is with wireless relay formula electromagnetic wave along with boring measuring device, including along with boring the measuring device body, along with boring the measuring device body including setting up subaerial derrick and well pit, be equipped with the rotary drum in the well pit, be equipped with the measuring part in the rotary drum, the lateral wall thread tightening of derrick has driving motor, and the top of rotary drum extends to in the derrick and welds mutually with driving motor's output shaft, fixed cover is equipped with the first disc that is located the derrick on the rotary drum, and the bottom of first disc is rotated and is installed four first screw rods, and fixed cover is equipped with first gear on the first screw rod. The utility model relates to a rationally, convenient operation is convenient for adjust the diameter of drill bit according to actual need for the drill bit drills out not the hole of equidimension, and need not change different drill bits, improves application scope, and the setting of elasticity soil prevention cloth, and earth gets into from the gap between the adjacent arc when preventing the arc pivoted, satisfies the user demand.

Description

Wireless relay type electromagnetic wave measurement while drilling device for coal mine

Technical Field

The utility model relates to a measurement while drilling equipment technical field especially relates to a colliery is with wireless relay formula electromagnetic wave measurement while drilling device.

Background

The device while drilling is a device for acquiring various data of a stratum through a measuring device while drilling, and gas in the coal seam is required to be extracted through a drill hole before the coal seam is mined; in order to extend the effective drill holes in the coal seam or the pressure relief belt as much as possible, improve the extraction efficiency and the extraction amount of the gas in the drill holes and ensure the safe production of the coal mine, a measurement while drilling system is used for performing near-horizontal directional drilling, and the application number is obtained by retrieval: 201220185095.5, discloses a wireless relay type electromagnetic wave measurement while drilling device for coal mine, which is vertically arranged in a well wall in a pipe column combination mode, and comprises a lower drill column, a non-magnetic drilling tool, a second insulating short section, a middle drill column, a first insulating short section and an upper drill column which are connected in a sealing mode from a drill bit to the top in sequence; the pipe column combination is internally provided with an underground measurement transmitting unit, a signal transfer unit and a signal receiving unit arranged on the ground; the underground measurement transmitting unit is fixedly arranged in the outer cylinder of the non-magnetic drilling tool, and the upper end of the underground measurement transmitting unit is fixed on the middle drill column; the signal transfer unit is arranged above the underground measurement transmitting unit, the lower end of the signal transfer unit is fixed on the middle drill column, and the upper end of the signal transfer unit is fixed on the upper drill column; one pole of a receiving device of the signal receiving unit is connected with the derrick, the other pole of the receiving device is connected with the grounding electrode, the grounding electrode is deeply inserted into the ground, the underground drilling condition is monitored by receiving a transmitting signal transmitted by the transmitting short section, the manufacturing cost is low, the use is convenient, the coal mine safety production requirement is met, and the measuring depth can be effectively improved.

The above patents still have some disadvantages, the diameter of the drill bit in the wireless relay type electromagnetic wave measurement while drilling device is generally fixed, which is not convenient to adjust according to actual needs, and the application range is limited, when holes with different diameters are needed to be drilled for measurement, the drill bits with different sizes need to be replaced for drilling, which wastes time and labor, reduces the working efficiency of personnel, and cannot meet the use requirements, so we provide a wireless relay type electromagnetic wave measurement while drilling device for coal mines to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wireless relay type electromagnetic wave measurement while drilling device for coal mines.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wireless relay type electromagnetic wave measurement while drilling device for a coal mine comprises a measurement while drilling device body, wherein the measurement while drilling device body comprises a derrick and a well pit which are arranged on the ground, a rotary drum is arranged in the well pit, a measuring part is arranged in the rotary drum, a driving motor is fixed on the side wall of the derrick in a threaded manner, the top end of the rotary drum extends into the derrick and is welded with an output shaft of the driving motor, a first disc which is arranged in the derrick is fixedly sleeved on the rotary drum, four first screw rods are rotatably arranged at the bottom of the first disc, a first gear is fixedly sleeved on the first screw rods, a second gear which is meshed with the four first gears is rotatably sleeved on the rotary drum, the top end of one first screw rod of the four first screw rods extends to the upper part of the first disc and is fixedly provided with a knob, a second disc which is arranged in the well pit is fixedly arranged at the bottom of the first disc, and the, four rectangular plates are slidably mounted at the bottom of the second disc, an arc plate is hinged at the bottom of the rectangular plate, an inclined cross section is arranged at the bottom of one side of the arc plate, the four arc plates form a drill bit, a drill bit twill groove is arranged at the outer side of each arc plate, the same elastic soil-proof cloth is bonded between every two adjacent arc plates, the same first rectangular block is rotatably mounted between the four arc plates, the bottom end of each first screw rod extends into the drill bit, the rotary drum is positioned between the four first screw rods, a movable block positioned in the drill bit is sleeved on the first screw rods in a threaded manner, racks are fixedly mounted at the bottoms of the movable blocks, rotating shafts are rotatably mounted on the four sides of the rotary drum, a second rectangular block is slidably mounted at one side of each arc plate close to the rotary drum, a second screw rod is hinged at one side of each second rectangular block close to the rotary drum, the thread, the rotating shaft is fixedly sleeved with a third gear, the third gear is meshed with a corresponding rack, fixing rods located below the corresponding rotating shaft are fixedly mounted on four sides of the rotating drum, an L-shaped positioning rod is fixedly mounted at the bottom of the second screw, and the fixing rods are slidably sleeved on the corresponding L-shaped positioning rods.

Preferably, four fixing rods are fixedly mounted on the top of the second disc in an annular manner, and the top ends of the fixing rods are fixedly mounted with the bottom of the first disc.

Preferably, the rotary drum is fixedly sleeved with a large bearing, the top of the second gear is provided with a first circular hole, and the inner wall of the first circular hole is fixedly sleeved with the outer side of the large bearing.

Preferably, a second circular hole is formed in the top of the second disc, the four first screws and the rotary drum are located in the second circular hole, and the outer sides of the four first screws and the outer side of the rotary drum are not in contact with the side wall of the second circular hole.

Preferably, four first T-shaped sliding rails are fixedly mounted at the bottom of the second disc, first T-shaped sliding grooves with openings at both sides are formed in the top of the rectangular plate, and the first T-shaped sliding rails are slidably connected with the corresponding first T-shaped sliding grooves.

Preferably, a second T-shaped sliding rail is fixedly mounted on one side, close to the rotating drum, of the arc-shaped plate, a second T-shaped sliding groove with the top and the bottom being respectively provided with an opening is formed in one side, far away from the rotating drum, of the second rectangular block, and the second T-shaped sliding rail is in sliding connection with the corresponding second T-shaped sliding groove.

Preferably, the top of the moving block is provided with a first threaded hole, and the first threaded hole is in threaded connection with the corresponding first screw.

Preferably, one end of the rotating shaft, which is close to the rotating drum, is provided with a second threaded hole, and the second threaded hole is in threaded connection with a corresponding second screw rod.

Preferably, a rectangular hole is formed in one end, away from the rotary drum, of the fixing rod, the inner wall of the rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning rod, a first sliding groove is formed in the inner wall of the bottom of the rectangular hole, a sliding block is fixedly mounted at the bottom of the L-shaped positioning rod, and the sliding block is in sliding connection with the corresponding first sliding groove.

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

through the rotation drum, the driving motor, the arc-shaped plates, the first disk, the second disk, the rectangular plates, the elastic soil-proof cloth, the first screw rods, the first gears, the second gears, the moving blocks, the racks, the rotating shafts, the second screw rods, the second rectangular blocks, the third gears and the fixed rods, when the diameter of the drill bit is required to be adjusted according to actual needs, the forward rotating knob drives one first screw rod fixedly connected with the forward rotating knob to rotate, one first screw rod drives the other four first screw rods to rotate through the four first gears and the second gears, the first screw rods drive the racks to move downwards through the corresponding moving blocks, the racks drive the rotating shafts to rotate through the third gears meshed with the racks, the rotating shafts drive the corresponding second screw rods to rotate simultaneously, the four second screw rods drive the four second rectangular blocks to respectively extrude the corresponding arc-shaped plates, extruded power makes four arcs rotate in the outside of first rectangular block simultaneously, and the arc pivoted is simultaneously stretched the elasticity that corresponds and is prevented soil cloth, and four arcs rotate and drive first rectangular block rebound simultaneously, make the diameter of drill bit change when the arc pivoted, when adjusting the size of drill bit according to actual need, the stall knob.

The utility model relates to a rationally, convenient operation is convenient for adjust the diameter of drill bit according to actual need for the drill bit drills out not the hole of equidimension, and need not change different drill bits, improves application scope, and the setting of elasticity soil prevention cloth, and earth gets into from the gap between the adjacent arc when preventing the arc pivoted, satisfies the user demand.

Drawings

Fig. 1 is a schematic structural diagram of a wireless relay type electromagnetic wave measurement while drilling device for a coal mine, which is provided by the utility model;

fig. 2 is a schematic cross-sectional structural view of a wireless relay type electromagnetic wave measurement while drilling device for coal mines according to the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a state after the diameter of a drill bit of the wireless relay type electromagnetic wave measurement while drilling device for coal mine is adjusted, according to the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 2;

FIG. 5 is an enlarged schematic view of portion B of FIG. 2;

fig. 6 is an enlarged schematic view of a portion C in fig. 2.

In the figure: the soil-proof device comprises a rotary drum 1, a driving motor 2, an arc-shaped plate 3, a first disk 4, a second disk 5, a rectangular plate 6, elastic soil-proof cloth 7, a first screw 8, a first gear 9, a second gear 10, a moving block 11, a rack 12, a rotating shaft 13, a second screw 14, a second rectangular block 15, a third gear 16, a fixing rod 17 and a positioning rod 18L.

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.

Referring to fig. 1-6, a wireless relay type electromagnetic wave measurement while drilling device for coal mines comprises a measurement while drilling device body, the measurement while drilling device body comprises a derrick and a pit which are arranged on the ground, a rotating drum 1 is arranged in the pit, a measuring part is arranged in the rotating drum 1, a driving motor 2 is fixed on the side wall of the derrick in a threaded manner, the top end of the rotating drum 1 extends into the derrick and is welded with an output shaft of the driving motor 2, a first disc 4 positioned in the derrick is fixedly sleeved on the rotating drum 1, four first screws 8 are rotatably installed at the bottom of the first disc 4, a first gear 9 is fixedly sleeved on the first screws 8, a second gear 10 meshed with the four first gears 9 is rotatably sleeved on the rotating drum 1, the top end of one first screw 8 of the four first screws 8 extends to the upper side of the first disc 4 and is fixedly installed with a knob, a second disc 5 positioned in the pit is fixedly installed at the bottom of the first disc 4, the second disc 5 is sleeved on four first screw rods 8, four rectangular plates 6 are slidably mounted at the bottom of the second disc 5, arc-shaped plates 3 are hinged at the bottoms of the rectangular plates 6, the bottom of one side of each arc-shaped plate 3 is provided with an inclined cross section, a drill bit is formed by the four arc-shaped plates 3, drill bit diagonal grooves are formed in the outer sides of the arc-shaped plates 3, the same elastic soil-proof cloth 7 is bonded between every two adjacent arc-shaped plates 3, the same first rectangular block is rotatably mounted between the four arc-shaped plates 3, the bottom ends of the first screw rods 8 extend into the drill bit, the rotary drum 1 is positioned between the four first screw rods 8, a movable block 11 positioned in the drill bit is sleeved on each first screw rod 8 in a threaded manner, a rack 12 is fixedly mounted at the bottom of the movable block 11, rotating shafts 13 are rotatably mounted on four sides of the rotary drum 1, a second rectangular block 15 is slidably mounted at one side of each arc-, 13 screw thread covers of axis of rotation are established on corresponding second screw rod 14, two relative second screw rod 14's screw thread revolves to opposite, fixed cover is equipped with third gear 16 in the axis of rotation 13, third gear 16 meshes with corresponding rack 12 mutually, the equal fixed mounting in four sides of rotary drum 1 has dead lever 17 that is located the axis of rotation 13 below that corresponds, second screw rod 14's bottom fixed mounting has L shape locating lever 18, dead lever 17 slip cover is established on corresponding L shape locating lever 18, the utility model relates to a rationally, convenient operation, be convenient for adjust the diameter of drill bit according to actual need for the drill bit drills out the not hole of equidimension, and need not change different drill bits, improves application scope, and elasticity prevents the setting of soil cloth 7, prevents that earth from getting into from the gap between the adjacent arc 3 when the arc 3 pivoted, satisfies the user demand.

In the utility model, four fixed rods are fixedly arranged at the top of the second disc 5 in an annular shape, the top ends of the fixed rods are fixedly arranged with the bottom of the first disc 4, a big bearing is fixedly sleeved on the rotary drum 1, a first circular hole is arranged at the top of the second gear 10, the inner wall of the first circular hole is fixedly sleeved with the outer side of the big bearing, a second circular hole is arranged at the top of the second disc 5, four first screw rods 8 and the rotary drum 1 are both positioned in the second circular hole, the outer sides of the four first screw rods 8 and the outer side of the rotary drum 1 are not contacted with the side wall of the second circular hole, four first T-shaped slide rails are fixedly arranged at the bottom of the second disc 5, a first T-shaped slide groove with two sides being respectively arranged with an opening is arranged at the top of the rectangular plate 6, the first T-shaped slide rail is connected with the corresponding first T-shaped slide groove in a sliding manner, a second, one side of the second rectangular block 15, which is far away from the rotary drum 1, is provided with a second T-shaped chute, the top and the bottom of which are both provided with openings, a second T-shaped slide rail is in sliding connection with the corresponding second T-shaped chute, the top of the moving block 11 is provided with a first threaded hole, the first threaded hole is in threaded connection with the corresponding first screw 8, one end of the rotating shaft 13, which is close to the rotary drum 1, is provided with a second threaded hole, the second threaded hole is in threaded connection with the corresponding second screw 14, one end of the fixed rod 17, which is far away from the rotary drum 1, is provided with a rectangular hole, the inner wall of the rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning rod 18, the inner wall of the bottom of the rectangular hole is provided with a first chute, the bottom of the L-shaped positioning rod 18 is fixedly provided with a slide block, and the slide block, and need not change different drill bits, improve application scope, and elasticity prevents the setting of native cloth 7, and earth gets into from the gap between the adjacent arc 3 when preventing 3 pivoted arcs, satisfies the user demand.

The working principle is as follows: when the diameter of the drill bit is required to be adjusted according to actual needs, the knob is rotated in the forward direction, the knob drives one first screw 8 fixedly connected with the knob to rotate, one first screw 8 drives one first gear 9 fixedly connected with the knob to rotate, one first gear 9 drives the other three first gears 9 to rotate through a second gear 10 meshed with the first gear, the first gear 9 drives the corresponding first screw 8 to rotate, under the action of a first threaded hole formed in the top of a moving block 11, the first screw 8 rotates and simultaneously drives a corresponding moving block 11 to move downwards, the moving block 11 moves downwards and simultaneously drives a corresponding rack 12 to move downwards, the rack 12 drives a third gear 16 meshed with the rack 12 to rotate, the third gear 16 drives a corresponding rotating shaft 13 to rotate, under the action of a second threaded hole formed in one end of the rotating shaft 13, the rotating shaft 13 rotates and drives the corresponding second screw rods 14 to rotate, the second screw rods 14 drive the corresponding L-shaped positioning rods 18 to move, the four second screw rods 14 respectively drive the corresponding second rectangular blocks 15 to move in the direction away from the rotary drum 1, the second rectangular blocks 15 move and simultaneously extrude the corresponding arc-shaped plates 3, the extrusion force drives the corresponding arc-shaped plates 3 to rotate, so that the four arc-shaped plates 3 simultaneously rotate on the outer sides of the first rectangular blocks, the arc-shaped plates 3 simultaneously rotate and stretch the corresponding elastic soil-proof cloth 7, the arc-shaped plates 3 simultaneously drive the corresponding rectangular plates 6 to move in the direction away from the rotary drum 1, the rectangular plates 6 slide on the corresponding first T-shaped slide rails, the four arc-shaped plates 3 rotate and simultaneously drive the first rectangular blocks to move upwards, the arc-shaped plates 3 drive the corresponding second T-shaped slide rails to slide upwards in the second T-shaped slide grooves, the diameter of the drill bit is changed when the arc-shaped plates 3 rotate, when the size of the drill bit is adjusted according to actual needs, the rotation of the knob is stopped, and under the cooperation of the elastic soil-proof cloth 7, soil is prevented from entering from a gap between the adjacent arc-shaped plates 3 when the arc-shaped plates 3 rotate;

when the drilling is started, the four arc-shaped plates 3 are located on the ground, the driving motor 2 is started in the forward direction, the output shaft of the driving motor 2 drives the rotary drum 1 to rotate, the rotary drum 1 drives the four fixing rods to rotate through the first disc 4, the four fixing rods drive the four arc-shaped plates 3 to rotate through the second disc 5, and the driving motor 2 is stopped after the drilling is completed.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. A wireless relay type electromagnetic wave measurement while drilling device for a coal mine comprises a measurement while drilling device body, wherein the measurement while drilling device body comprises a derrick and a pit which are arranged on the ground, a rotary drum (1) is arranged in the pit, and a measuring part is arranged in the rotary drum (1), and is characterized in that a driving motor (2) is fixed on the side wall of the derrick in a threaded manner, the top end of the rotary drum (1) extends into the derrick and is welded with an output shaft of the driving motor (2), a first disc (4) positioned in the derrick is fixedly sleeved on the rotary drum (1), four first screws (8) are rotatably arranged at the bottom of the first disc (4), a first gear (9) is fixedly sleeved on each first screw (8), a second gear (10) meshed with the four first gears (9) is rotatably sleeved on the rotary drum (1), the top end of one first screw (8) in the four first screws (8) extends to the upper side of the first disc (4) and is fixedly provided with a knob, the bottom of the first disc (4) is fixedly provided with a second disc (5) positioned in a well pit, the second disc (5) is sleeved on four first screw rods (8), the bottom of the second disc (5) is slidably provided with four rectangular plates (6), the bottoms of the rectangular plates (6) are hinged with arc plates (3), the bottom of one side of each arc plate (3) is provided with an inclined cross section, the four arc plates (3) form a drill bit, the outer sides of the arc plates (3) are provided with drill bit inclined-grain grooves, the same elastic soil-proof cloth (7) is bonded between every two adjacent arc plates (3), the same first rectangular block is rotatably arranged between the four arc plates (3), the bottom ends of the first screw rods (8) extend into the drill bit, the rotary drum (1) is positioned between the four first screw rods (8), the first screw rods (8) are provided with a movable block (11) positioned in the drill bit in a threaded sleeve manner, the bottom fixed mounting of movable block (11) has rack (12), all rotate the four sides of rotary drum (1) and install axis of rotation (13), one side slidable mounting that arc (3) are close to rotary drum (1) has second rectangular block (15), one side that second rectangular block (15) are close to rotary drum (1) articulates there is second screw rod (14), axis of rotation (13) screw sleeve is established on corresponding second screw rod (14), the screw thread of two relative second screw rods (14) is turned to opposite, the fixed cover is equipped with third gear (16) on axis of rotation (13), third gear (16) mesh with corresponding rack (12), equal fixed mounting in four sides of rotary drum (1) has dead lever (17) that are located corresponding axis of rotation (13) below, the bottom fixed mounting of second screw rod (14) has L shape locating lever (18), dead lever (17) slip cover is established on corresponding L shape locating lever (18).

2. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein four fixing rods are fixedly mounted on the top of the second disc (5) in an annular shape, and the top ends of the fixing rods are fixedly mounted with the bottom of the first disc (4).

3. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein a large bearing is fixedly sleeved on the rotary drum (1), a first circular hole is formed in the top of the second gear (10), and the inner wall of the first circular hole is fixedly sleeved with the outer side of the large bearing.

4. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein a second circular hole is formed in the top of the second disc (5), the four first screws (8) and the drum (1) are located in the second circular hole, and the outer sides of the four first screws (8) and the outer side of the drum (1) are not in contact with the side wall of the second circular hole.

5. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein four first T-shaped slide rails are fixedly mounted at the bottom of the second disc (5), first T-shaped slide grooves with openings at both sides are formed in the top of the rectangular plate (6), and the first T-shaped slide rails are slidably connected with the corresponding first T-shaped slide grooves.

6. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein a second T-shaped slide rail is fixedly mounted on one side of the arc-shaped plate (3) close to the rotary drum (1), a second T-shaped sliding groove with an opening at the top and the bottom is formed in one side of the second rectangular block (15) far away from the rotary drum (1), and the second T-shaped slide rail is in sliding connection with the corresponding second T-shaped sliding groove.

7. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein a first threaded hole is formed in the top of the moving block (11), and the first threaded hole is in threaded connection with the corresponding first screw (8).

8. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein one end of the rotating shaft (13) close to the rotating drum (1) is provided with a second threaded hole, and the second threaded hole is in threaded connection with a corresponding second screw (14).

9. The wireless relay type electromagnetic wave measurement while drilling device for the coal mine according to claim 1, wherein one end of the fixing rod (17) far away from the rotary drum (1) is provided with a rectangular hole, the inner wall of the rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning rod (18), the inner wall of the bottom of the rectangular hole is provided with a first sliding groove, the bottom of the L-shaped positioning rod (18) is fixedly provided with a sliding block, and the sliding block is in sliding connection with the corresponding first sliding groove.

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