CN212249909U - An underground dustproof drilling device - Google Patents

Abstract

The utility model relates to an underground dustproof drilling device of the present utility model, which consists of a top fixing seat, a rotor ring, a water pipe, a base, a pumping pump, a filter screen, a water collecting tank, a connecting frame, a No. 1 nozzle, a No. 2 nozzle, and a water ring cavity. , drive gear, drive motor and gear ring. The utility model relates to an underground dustproof drilling device, which provides a device capable of forming a double-layer annular water curtain by rotating a first nozzle and a second nozzle to spray water, with good dust-reducing effect, so as to solve the problem of dust-reducing dead corners in the background technology. It can form a ring-shaped spraying, and eliminate the problem of dust reduction dead angle in traditional spray heads.

Description

An underground dustproof drilling device

technical field

The utility model relates to the technical field of coal mine equipment, in particular to an underground dustproof drilling device.

Background technique

In the process of coal mine drilling, a large amount of dust will be generated at the borehole, causing dust pollution. At present, dust and dust prevention are generally carried out by setting up a ring-shaped spray head at the drilling hole. However, since the spray head is installed in a fixed position, its spray direction It cannot be regulated, resulting in the formation of a spray dustproof water curtain that cannot be covered. The existing method is to increase the number of circumferentially distributed spray heads to make up for the dead angle. However, this method requires a large number of spray heads to be installed, which affects the In addition, when individual spray heads are blocked, the dead angle problem of the water curtain will reappear, resulting in the inability to meet the needs of its dust-proof effect.

Bulletin No. CN209510276U discloses a dust-proof coal mine drilling device, including a drilling body, a support table, a stable base, a drill pipe, a protective cover, an atomizing nozzle, a transmission pipe, an injection and drainage pipe, an installation box, a water collecting tank and a micro pump , the drilling body is fixed on the left side of the upper end face of the stable base, the support table is fixed on the upper side of the right end face of the drilling body, the drill pipe is installed in the middle of the support table, the water collecting tank is installed on the lower side of the annular side of the drill pipe, and the upper end surface of the water collecting tank is installed with a protection The cover, the upper end face of the protective cover is fixed with an installation box, the upper end face of the installation box is connected with a transmission pipe, the left side of the transmission pipe is equipped with an atomizing nozzle, the inner lower side of the installation box is equipped with a micro pump, and the micro pump is installed on the lower end of the transmission pipe. The exhaust pipe is arranged on the right side of the annular side of the water collecting tank, and the atomizing nozzle of this device is fixed in a fixed direction, so there is a dead angle for dust reduction and dust prevention, and the dust reduction effect is poor.

Announcement No. CN208456530U discloses a dust-proof support for a small geophysical drilling rig that is easy to move, including a drilling rig platform, a fixing frame, a bracket, a drilling rig and a drill bit. The left and right sides of the drilling rig platform are respectively fixed and connected with a fixing frame, and the left and right sides of the drilling rig are respectively fixed A bracket is connected, the lower end of the bracket is fixedly connected with the drilling rig platform, the lower end of the fixing frame is fixedly connected with a support block, the middle part of the support block is penetrated with a fixing bolt, the outer side wall of the fixing frame is fixedly connected with a fixing block, and the lower surface of the fixing block is hinged with a The lower end of the connecting rod is equipped with a roller set, and the lower surface of the fixed block is also hinged with a telescopic mechanism. The atomizing nozzle of the bracket is fixed in the direction, and the dustproof water curtain is prone to dead corners that cannot be sprayed.

Utility model content

In order to improve the above situation, an underground dustproof drilling device of the present utility model provides a water spray through the rotation of the first nozzle and the second nozzle to form a double-layer annular water curtain, and the dust reduction effect is good, so as to solve the problem of the dust reduction dead angle in the background technology. device in question. It can form a ring-shaped spraying, and eliminate the problem of dust reduction dead angle in traditional spray heads.

In order to achieve the above purpose, the technical solution of the present invention is as follows: an underground dustproof drilling device, comprising a fixed seat and a base that are annular, coaxial and spaced up and down, the fixed seat and the base are uniformly distributed along the circumferential direction. A connecting rod is connected between the two, the upper end surface of the base is provided with a water collecting groove with an upward opening, and an annular rotor ring is arranged in the fixed seat, and the rotor ring can be driven along the fixed seat by the driving device. The inner wall of the rotor ring rotates, the inner cavity of the rotor ring is provided with a water-passing ring cavity, the lower end is provided with a spray head communicating with the water-passing ring cavity, the water collection tank is provided with a suction pump, and the water outlet of the suction pump passes through a water pipe communicated with the water-passing annular cavity.

The beneficial effects of the present utility model are as follows: the utility model provides an underground dustproof drilling device, wherein the fixed seat and the base are arranged around the drill bit, and because the rotor ring rotates and sprays, a ring-shaped spray can be formed, which eliminates the traditional The spray head has the problem of dead space for dust reduction. Moreover, the spray can be received by the water collecting tank below, so that the water resources can be recycled and the waste of water resources can be reduced. Wherein, the inner side of the fixed seat is provided with an annular groove, the annular rotor ring is arranged in the groove, and the water collecting groove communicates with the water passage ring cavity.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the drive device includes a drive motor, a drive gear and a gear ring, the drive motor is fixed on the fixing base, the motor shaft of the drive motor is coaxially connected to the drive gear, and the gear ring is fixed On the upper end face of the rotor ring, it is connected with the drive gear.

The beneficial effect of adopting the above-mentioned further scheme is that the cooperation of the above-mentioned driving device enables the rotor ring to rotate at a constant speed and stably in the fixed seat.

Further, the spray head includes a second spray head with a vertically downward spray nozzle and a first spray head with a spray hole inclined toward the drill pipe.

The beneficial effect of adopting the above-mentioned further scheme is that: the above-mentioned design can form a double-layered dust-reducing water curtain to improve the effect of sealing and dust-proofing.

Further, the water inlet end of the suction pump is provided with a filter screen.

The beneficial effect of adopting the above-mentioned further scheme is that: the filter screen can filter the water entering the water pump, prevent sundries from entering the water pump, and reduce the service life of the water pump.

Further, the bottom wall of the water collecting tank is inclined toward the suction pump.

The beneficial effect of adopting the above-mentioned further scheme is that the above-mentioned design facilitates the flow of the collected water toward the direction of the pumping pump, thereby facilitating the pumping of water.

Further, the annular radius of the fixed seat is smaller than the annular radius of the base.

The beneficial effect of adopting the above-mentioned further scheme is that the above-mentioned design can not only make the overall structure of the device stable, but also can leave enough space for the water collecting tank to collect the sprayed water.

The above description is only an overview of the technical solution of the present utility model. In order to understand the technical means of the present utility model more clearly, and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the present utility model and the accompanying drawings as follows: back. The specific embodiments of the present invention are given in detail by the following examples and accompanying drawings.

Description of drawings

The accompanying drawings described here are used to provide further understanding of the present invention and constitute a part of the present application. The schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is a three-dimensional structural view of an underground dustproof drilling device provided by the utility model;

Figure 2 is a structural detail view of an underground dustproof drilling device provided by the utility model;

Fig. 3 is a schematic structural diagram of an underground dustproof drilling device provided by the present invention when it is used.

In the accompanying drawings: fixed seat 1, rotor ring 2, water pipe 3, base 4, water pump 5, filter screen 6, water collecting tank 7, connecting rod 8, first spray head 9, second spray head 10, water ring cavity 11, Drive gear 12, drive motor 13, gear ring 14, drill pipe 15, water curtain 16.

Detailed ways

The principles and features of the present invention will be described below in conjunction with the accompanying drawings 1-3, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figures 1-3, the present utility model provides an underground dustproof drilling device, comprising a fixed base 1 located above and a base 4 located below, both of the fixed base 1 and the base 4 surrounding the drill pipe 15 Ring-shaped and the axes of the two coincide, the fixed seat 1 and the base 4 are connected by connecting rods 8 evenly distributed in the circumferential direction, the upper end surface of the base 4 is provided with a water collecting tank 7 with an upward opening, and the inner circumference of the fixed seat 1 is provided with a ring The rotor ring 2, the rotor ring 2 can rotate along the inner wall of the fixed seat 1 under the driving of the driving device, the inner cavity of the rotor ring 2 is provided with a water ring cavity 11, and the lower end is provided with a spray head, The water inlet is communicated with the water passage ring cavity 11, the water collection tank 7 is provided with a suction pump 5, the water inlet end of the suction pump 5 is communicated with the water collection tank 7, and the water outlet of the suction pump 5 passes through The water pipe 3 communicates with the water passage ring cavity 11 .

The utility model provides an underground dustproof drilling device. The fixed seat 1 and the base 4 are arranged around the drill pipe 15. Because the rotor ring 2 rotates and sprays, it can form annular spraying and eliminate the existence of traditional spray heads. The problem of dustfall dead corners. Moreover, the spray can be received by the lower water collecting tank 7, so that the water resources can be recycled and the waste of water resources can be reduced.

Further, the driving device includes a driving motor 13 , a driving gear 12 and a gear ring 14 , the driving motor 13 is fixed on the fixing base 1 , and the motor shaft of the driving motor 13 is coaxial with the driving gear 12 Connected, the gear ring 14 is fixed on the upper end surface of the rotor ring 2 and is in driving connection with the driving gear 12 . The cooperation of the above-mentioned driving devices enables the rotor ring 2 to rotate at a constant speed and stably in the fixed seat 1 .

Further, the spray head includes a second spray head 10 whose spray outlet is vertically downward and a first spray head 9 whose spray port is inclined toward the drill rod 15 . The above design can form a double-layer dust-reducing water curtain to improve the effect of sealing and dust-proofing.

Further, the water inlet end of the suction pump 5 is provided with a filter screen 6 . The filter screen 6 can filter the water entering the suction pump 5 to prevent sundries from entering the suction pump 5 and reduce the service life of the suction pump 5 .

Further, the bottom wall of the water collecting tank 7 is inclined toward the suction pump 5 . The above-mentioned design facilitates the flow of the collected water toward the direction of the suction pump 5, thereby facilitating water pumping.

Further, the annular radius of the fixed seat 1 is smaller than the annular radius of the base 4 . The above design can not only make the overall structure of the device stable, but also can leave enough space for the water collecting tank to collect the sprayed water.

An underground dustproof drilling device of the present utility model is realized in this way. The spray head 10, the water passage ring cavity 11, the driving gear 12, the driving motor 13 and the gear ring 14 are composed. The base 4 is provided with a groove with an upward opening to form a water collecting tank 7, and the base 4 and the fixing seat 1 are both annular One end of a plurality of connecting rods 8 is placed on the base 4 at an equal angle, the other end of the connecting rods 8 is inclined upward, and the other ends of the plurality of connecting rods 8 are close to each other, and the fixed seat 1 is located directly above the base 4 , the diameter of the fixed seat 1 is smaller than that of the base 4, the fixed seat 1 is connected with the other ends of the plurality of connecting rods 8, the fixed seat 1 is an annular seat, the rotor ring 2 is sleeved in the fixed seat 1, and the The outer edge of the rotor ring 2 is in contact with the inner wall of the fixed seat 1, the rotor ring 2 is rotatable, the outer wall of the rotor ring 2 is provided with grooves to form a water ring cavity 11, and one end of the plurality of first nozzles 9 is placed at an equal angle. At the bottom of the rotor ring 2, the other end of the first nozzle 9 is inclined inward, the first nozzle 9 is communicated with the water ring cavity 11, and one end of the plurality of second nozzles 10 is placed at the bottom of the rotor ring 2 at an equal angle, so The other end of the second spray head 10 is vertically inclined downward, the second spray head 10 is communicated with the water passage ring cavity 11, the gear ring 14 is fixed on the rotor ring 2, and the driving motor 13 is placed in the fixed seat 1 to drive The gear 12 is sleeved on the motor shaft of the driving motor 13, the driving gear 12 is meshed with the gear ring 14, one end of the water pipe 3 is connected with the fixing seat 1, and the water pipe 3 is communicated with the water passage ring cavity 11, The suction pump 5 is placed in the water collection tank 7, the water inlet end of the suction pump 5 is communicated with the water collection tank 7, the water outlet end of the suction pump 5 is connected with the other end of the water pipe 3, and the filter screen 6 is placed around the suction pump 5. In addition, the height of the water collecting tank 7 gradually decreases towards the direction of the water pump 5;

When in use, the personnel first installs and fixes the device outside the drill pipe 15, and fills the water collecting tank 7 with clean water. The water is transported into the water ring cavity 11 through the water pipe 3, and then sprayed by the first nozzle 9 and the second nozzle 10 to form a water mist. At the same time, the driving motor 13 drives the driving gear 12 to rotate, and the driving gear 12 rotates to drive the gear ring 14 to rotate. This drives the rotor ring 2 to rotate and spray, and the rotation of the rotor ring 2 drives the first nozzle 9 and the second nozzle 10 to rotate, so that the first nozzle 9 and the second nozzle 10 rotate to spray water, forming a water curtain 16. The other ends of the first spray head 9 and the second spray head 10 are pointed differently, which can form a double-layer water curtain 16, improve the dust reduction effect, and can form a ring-shaped spray, eliminating the problem of dust reduction dead corners of traditional spray heads, and the sprayed water falls into the water collecting tank 7. , after being filtered by the filter screen 6, it is extracted by the pump 5 again, and the next spray is dustproof, the water is reused, the waste of water resources is reduced, and the use and operation are simple and convenient.

The diameter of the fixing base 1 is smaller than the design of the base 4, which makes the overall structure of the device stable, and can leave enough space for the water collection tank 7 to collect the sprayed water; the height of the water collection tank 7 gradually decreases toward the pump 5. The design makes the water flow in the direction of the suction pump 5, which is convenient for the suction pump 5 to pump water; the design of the other end of the second spray head 10 inclined downward and inward can make the water curtain 16 formed by the second spray head 10 and the first spray head 9 formed. The water curtains 16 are staggered to form a double-layer water curtain 16, and the dust-proof effect is good; the first spray head 9 and the second spray head 10 are rotated to spray water to form a double-layer annular water curtain 16, and the dust reduction effect is good, so as to solve the problem in the background art. There is the purpose of the problem of the dead spot of dustfall.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form; any person of ordinary skill in the industry can smoothly implement the invention as shown in the accompanying drawings and the above. The utility model; however, all those skilled in the art who are familiar with the technical scheme of the present utility model make some changes, modifications and equivalent changes made by the technical content disclosed above within the scope of the technical solutions of the present utility model. At the same time, any modification, modification and evolution of any equivalent changes made to the above embodiments according to the essential technology of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (6)

1. A dustproof drilling equipment in pit which characterized in that: including fixing base (1) and base (4) that are ring shape and coaxial and upper and lower interval distribution, fixing base (1) and base (4) are connected through connecting rod (8) along circumference evenly distributed between the two, the ascending water catch bowl (7) of opening has been seted up to base (4) up end, be equipped with annular rotor ring (2) in fixing base (1), rotor ring (2) can be followed under drive arrangement's drive the inner wall of fixing base (1) rotates, rotor ring (2) inner chamber is equipped with logical water ring chamber (11), the lower extreme be equipped with the shower nozzle that leads to water ring chamber (11) intercommunication, be equipped with suction pump (5) in water catch bowl (7), the delivery port of suction pump (5) pass through water pipe (3) with logical water ring chamber (11) intercommunication.

2. A downhole dust-proof drilling device according to claim 1, wherein the driving device comprises a driving motor (13), a driving gear (12) and a gear ring (14), the driving motor (13) is fixed on the fixing base (1), a motor shaft of the driving motor (13) is coaxially connected with the driving gear (12), and the gear ring (14) is fixed on the upper end surface of the rotor ring (2) and is in transmission connection with the driving gear (12).

3. A downhole dust protected drilling device according to claim 2, wherein the nozzles comprise a second nozzle (10) with nozzles directed vertically downwards and a first nozzle (9) with nozzles directed obliquely towards the drill pipe (15).

4. A downhole dust protected drilling apparatus according to any of claims 1-3, wherein the water intake end of the water suction pump (5) is provided with a filter screen (6).

5. A downhole dust protected drilling device according to claim 4, wherein the bottom wall of the water collection sump (7) is inclined towards the water suction pump (5).

6. A downhole dust tight drilling device according to claim 5, wherein the annular radius of the holder (1) is smaller than the annular radius of the base (4).

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