Drilling rig for preventing and controlling water in coal mine

Abstract

The utility model discloses a drilling rig for coal mine water control, and particularly relates to the technical field of coal mine control, which comprises a crawler belt moving platform, two sliding rails are fixed at the upper end of the crawler belt moving platform, a driving motor is fixed at the upper end of a support rod, and a mud-water separation component is arranged at the lower end of the support rod. The mud-water separation assembly comprises a first gear rotationally arranged at the lower end of a supporting rod, two second gears are further rotationally installed at the lower end of the supporting rod, an inner gear ring is further rotationally installed at the lower end of the supporting rod, a spiral conveying rod is further fixed to the lower end of the first gear, and a conveying pipe is fixed to the lower end of the inner gear ring. A water outlet hole and a discharging hole are further formed in the upper portion of the outer surface of the conveying pipe, and a filter screen is fixed to the inner wall of the water outlet hole. According to the drilling rig for coal mine water prevention and control, the design of the mud-water separation assembly is adopted, mud and water can be separated when the drilling rig is used for drilling, mud-water turbulence generated when the drilling rig is used for drilling can be prevented, and coal mine water can be prevented and controlled conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine prevention and control, especially relates to a drilling device for coal mine water prevention and control. BACKGROUND

[0002] In the construction process of coal mine, atmospheric precipitation, surface water and groundwater enter the mine through various channels, flood underground roadway, mining working face and chamber, affect normal production of mine and mining working face, cause personnel casualty accident, called water inrush accident, therefore need to do mine water exploration work carefully, the mine whose mining working face is affected by water damage should carry out water flushing condition analysis, adhere to prediction, doubt exploration, exploration before mining and treatment before mining, the hydrogeological condition of coal mine field and surrounding area is unclear, strictly prohibit mining activities, strictly prohibit overlayer cross-border mining.

[0003] Chinese patent document CN215595468U discloses a drilling device for coal mine water prevention and control, which comprises a mobile platform, a guide rail is fixedly connected to the top of the mobile platform, an electric sliding block is movably connected to the outer surface of the guide rail, a drilling machine is integrated on the electric sliding block, a drill bit is fixedly connected to the output end of the drilling machine, and a water baffle is fixedly connected to the middle of the mobile platform.

[0004] However, the device cannot separate mud and water when discharging mud and water, and direct discharge will reduce the prevention and control effect of coal mine water. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide a drilling device for coal mine water prevention and control, which can effectively solve the problem of mud and water separation during mud and water discharge.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] A drilling device for coal mine water prevention and control, comprising a crawler mobile platform, two slide rails are fixed to the upper end of the crawler mobile platform, a support rod is slidably installed on the outer surface of the slide rail, a drive motor is fixed to the upper end of the support rod, and a mud and water separation assembly is arranged at the lower end of the support rod.

[0008] Preferably, the sludge-water separation assembly comprises a first gear rotating at the lower end of a support rod, the lower end of the support rod is also rotatably provided with two second gears meshing with the first gear, the lower end of the support rod is also rotatably provided with an inner gear ring meshing with the two second gears, the lower end of the first gear is also fixed with a spiral conveying rod, the lower end of the inner gear ring is fixed with a material conveying pipe, the outer surface of the material conveying pipe is also provided with a water outlet hole and a discharge hole, and the inner wall of the water outlet hole is fixed with a filter screen.

[0009] Preferably, the first gear is fixedly connected with the output end of the driving motor, and the two second gears are designed in symmetry about the central axis of the first gear.

[0010] Preferably, the water outlet hole is located at the lower part of the discharge hole.

[0011] Preferably, the pitch of the spiral conveying rod gradually decreases from top to bottom.

[0012] Compared with the prior art, the sludge-water separation assembly has the following beneficial effects:

[0013] The sludge-water separation assembly is adopted in the drilling device, the first gear, the second gear and the inner gear ring are matched with each other, so that the generated sludge-water can be conveyed during drilling, the pitch of the spiral conveying rod gradually decreases from top to bottom, the extrusion effect on the material during conveying gradually increases, thereby increasing the pressure of the sludge-water, so that the sludge and the water are separated, the water is discharged from the filter screen under the action of the pressure, and the sludge is discharged from the discharge hole, so that the purpose of sludge-water separation is achieved, the generated sludge-water during drilling can be prevented from flowing disorderly, and the prevention and treatment of the coal mine water are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of the sludge-water separation assembly of the utility model;

[0016] Figure 3 It is a plan view of the sludge-water separation assembly of the utility model;

[0017] Figure 4 It is a partial structure schematic view of the sludge-water separation assembly of the utility model.

[0018] In the drawing: 1, tracked mobile platform; 2, slide rail; 3, support rod; 4, driving motor; 5, sludge-water separation assembly; 51, first gear; 52, second gear; 53, inner gear ring; 54, spiral conveying rod; 55, material conveying pipe; 56, water outlet hole; 57, discharge hole; 58, filter screen. DETAILED DESCRIPTION

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] like Figure 1 As shown, a drilling device for water control in coal mines includes a tracked mobile platform 1. The tracked mobile platform 1 is existing technology. Due to the track design, the device can be adapted to different terrains and work on different terrains, improving the applicability of the device. Two slide rails 2 are fixed at the upper end of the tracked mobile platform 1. Support rods 3 are slidably installed on the outer surface of the slide rails 2. Hydraulic cylinders are installed inside the slide rails 2, and the output end of the hydraulic cylinders is fixedly connected to the support rods 3. When the output end of the hydraulic cylinders extends or retracts, the support rods 3 move up or down. A drive motor 4 is fixed at the upper end of the support rods 3. When the support rods 3 move up and down, they can drive the drive motor 4 to move up and down. A mud-water separation component 5 is installed at the lower end of the support rods 3.

[0021] like Figure 2 - Figure 4 As shown, the mud-water separation component 5 includes a first gear 51 rotatably mounted on the lower end of the support rod 3. Two second gears 52, meshing with the first gear 51, are also rotatably mounted on the lower end of the support rod 3. The two second gears 52 are symmetrically designed about the central axis of the first gear 51. Since the second gears 52 mesh with the internal gear ring 53, using only a single second gear 52 or using an asymmetrical design of the two second gears 52 would result in uneven force on the internal gear ring 53, affecting the normal operation of the device. The lower end of the support rod 3 also rotatably mounts gears that mesh with the two second gears 52. The internal gear ring 53, according to the characteristics of gears, since the first gear 51 and the second gear 52 mesh externally, the second gear 52 and the first gear 51 rotate in opposite directions. The second gear 52 and the internal gear ring 53 mesh internally, so the second gear 52 and the internal gear ring 53 rotate in the same direction. It can be seen that the first gear 51 and the internal gear ring 53 rotate in opposite directions. The lower end of the first gear 51 is also fixed with a screw conveyor rod 54, and the lower end of the internal gear ring 53 is fixed with a conveying pipe 55. The upper part of the outer surface of the conveying pipe 55 is also provided with a water outlet 56 and a discharge hole 57.

[0022] In addition, the first gear 51 is fixedly connected to the output end of the drive motor 4, so that when the drive motor 4 rotates, it can drive the screw conveyor 54 and the conveying pipe 55 to rotate. The screw conveyor 54 and the conveying pipe 55 rotate in opposite directions. When the soil is pushed to the position of the screw conveyor 54, the screw conveyor 54 and the conveying pipe 55 rotate in opposite directions, thereby allowing the screw conveyor 54 to transport the mud and water.

[0023] like Figure 4As shown, the pitch of the screw conveying rod 54 gradually decreases from top to bottom, and the extrusion effect on the material gradually increases during the conveying process, thereby increasing the pressure of the slurry so as to separate the mud and water, the water outlet hole 56 is located below the discharge hole 57, and the filter screen 58 is fixed to the inner wall of the water outlet hole 56, so that when the screw conveying rod 54 transmits the slurry, the water is discharged from the filter screen 58 under the action of pressure, and naturally, the remaining part of the inside of the conveying pipe 55 between the water outlet hole 56 and the discharge hole 57 is mud, which is discharged through the discharge hole 57, thereby achieving the purpose of separating the slurry.

[0024] In addition, since the conveying pipe 55 rotates during use, two collecting discs are vertically arranged at the lower end of the support rod 3 for the convenience of collecting the mud and water, the two collecting discs are rotationally connected with the conveying pipe 55, and the two collecting discs are matched with the discharge hole 57 and the water outlet hole 56 respectively, so that the mud and water are discharged into the two collecting discs respectively, and since the collecting discs are fixed to the lower end of the support rod 3, the mud and water can be discharged into the collecting discs when the conveying pipe 55 rotates, which prevents the mud and water from being discharged randomly and facilitates the stable operation of the device.

[0025] The specific implementation of the embodiment is that: the device is first parked at the position where drilling is required during use, the drilling pipe required for use is installed at the lower end of the conveying pipe 55, then the support rod 3 is moved downward by controlling the hydraulic cylinder, and the driving motor 4 is started at the same time;

[0026] When the driving motor 4 works, the screw conveying rod 54 and the conveying pipe 55 rotate in opposite directions through the mutual cooperation between the first gear 51, the second gear 52 and the inner ring gear 53, the conveying pipe 55 can drive the drilling pipe to rotate, and the support rod 3 moves downward when the conveying pipe 55 rotates, thereby achieving the purpose of drilling, and the slurry generated during the drilling process enters the conveying pipe 55 along the drilling pipe;

[0027] Since the pitch of the screw conveying rod 54 gradually decreases from top to bottom, the extrusion effect on the material gradually increases during the conveying process, thereby increasing the pressure of the slurry so as to separate the mud and water, the water is discharged from the filter screen 58 under the action of pressure, and naturally, the remaining part of the inside of the conveying pipe 55 between the water outlet hole 56 and the discharge hole 57 is mud, which is discharged through the discharge hole 57, thereby achieving the purpose of separating the slurry, at this time, the water only needs to be connected with a water pipe to be discharged, and the mud can be accumulated by using modern machines such as excavators, which can effectively prevent the slurry from flowing randomly and thereby affecting the prevention and control of the coal mine water.

[0028] It should be noted that the specific installation method, circuit connection method and control method of the slide rail 2, the hydraulic cylinder and the driving motor 4 in the utility model are all conventional designs, and the utility model will not be described in detail.

[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A drilling device for water prevention and control in coal mines, comprising a caterpillar mobile platform (1), characterized in that: The track mobile platform (1) is provided with two slide rails (2) fixed on the upper end, the outer surface of the slide rail (2) is slidably provided with a supporting rod (3), the upper end of the supporting rod (3) is fixed with a driving motor (4), and the lower end of the supporting rod (3) is provided with a mud-water separation assembly (5).

2. The drilling device for water control in coal mines according to claim 1, characterized in that: The mud-water separation assembly (5) comprises a first gear (51) rotatably arranged at the lower end of the supporting rod (3), two second gears (52) rotatably arranged at the lower end of the supporting rod (3) and meshed with the first gear (51), an inner gear ring (53) rotatably arranged at the lower end of the supporting rod (3) and meshed with the two second gears (52), a spiral conveying rod (54) fixed at the lower end of the first gear (51), and a material conveying pipe (55) fixed at the lower end of the inner gear ring (53), wherein the outer surface of the material conveying pipe (55) is further provided with a water outlet hole (56) and a material outlet hole (57), and the inner wall of the water outlet hole (56) is fixed with a filter screen (58).

3. The drilling device for water control in coal mines according to claim 2, characterized in that: The first gear (51) is fixedly connected with the output end of the driving motor (4), and the two second gears (52) are symmetrically designed about the central axis of the first gear (51).

4. The drilling device for water control in coal mines according to claim 2, characterized in that: The water outlet hole (56) is located at the lower part of the material outlet hole (57).

5. The drilling device for water control in coal mines according to claim 2, characterized in that: The pitch of the spiral conveying rod (54) gradually decreases from top to bottom.

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