Drilling equipment for open pit coal mine exploration

Abstract

The drilling equipment comprises a dust cover, a discharging opening is formed in the bottom end of the dust cover, a plurality of dovetail grooves are evenly formed in the outer wall of the dust cover, a dovetail block is connected into each dovetail groove in a sliding mode, a first spring is arranged in each dovetail groove, and a second spring is arranged in each dovetail groove. The outer wall of each dovetail block is fixedly connected with a connecting rod, each connecting rod is sleeved with a connecting sleeve, surrounding rock walls are protected through the multiple reinforcing rods, personnel injury caused by rock stratum collapse due to vibration is avoided, dust is discharged along a discharging opening during punching, and therefore the working environment is protected, dust raising and pulling of a T-shaped rod are avoided, and the working efficiency is improved. And the meshing teeth can be separated from the clamping teeth, so that sliding of the connecting sleeve is achieved, the dust cover can be conveniently taken down to observe the hole, and operation is easy and convenient.

Description

Technical field:

[0001] The utility model relates to the field of coal mining, in particular to a drilling device for open-pit coal mine exploration. Background technology:

[0002] When the ore layer is close to the surface, open-pit mining is more economical. The soil above the ore layer is called overburden. Explosives are placed in the undeveloped overburden, and equipment such as dredges, excavators, and trucks are used to remove the overburden. This overburden is then added to the previously mined pit. Once the overburden is removed, the ore layer is exposed; the ore is then broken up by drilling or blasting, and the ore is trucked to a coal preparation plant for further processing. Once the ore is mined, the same process is repeated next door.

[0003] Open-pit mining can yield a greater percentage of coal than underground mining because more of the ore seam is utilized. Open-pit mines can cover tens of square kilometers. Approximately 40% of the world's coal production is produced using open-pit mining.

[0004] There are initially inferred faults at the junction of the mining area and the connection area of some open-pit mines. Therefore, it is necessary to investigate the engineering geological conditions and hydrogeological conditions of the three mining areas, and ultimately propose groundwater control measures to ensure the safety of personnel and equipment in the Yimin open-pit mine and continuous production operations, thereby improving economic benefits.

[0005] In the process of hydrogeological survey, remote sensing technology is more common. The so-called remote sensing technology first relies on drilling tools to drill a number of boreholes in sequence, and then through the coordinates of each control point obtained, it can ensure the accurate identification of the fault position, fault drop, fault direction, position of the upper limestone layer, thickness of the lower limestone aquifer, inclination of the lower limestone aquifer and the occurrence status of the aquifer and coal seam, thereby effectively providing accurate geological and hydrogeological data for mine mining and water prevention and control design.

[0006] Therefore, drilling equipment is indispensable. During the drilling process, a large amount of dust is generated, which seriously pollutes the environment and affects the construction of operators. In addition, due to the vibration generated during the drilling process, it is easy to cause the rock formation to loosen, which is prone to safety hazards. Utility model content:

[0007] The purpose of the utility model is to provide a drilling device for open-pit coal mine exploration.

[0008] The utility model is implemented by the following technical solutions:

[0009] The cam is provided with a plurality of meshing teeth on the side wall of each sliding plate, and the meshing teeth are respectively engaged with the corresponding meshing teeth, and a reinforcing rod is inserted into one end of the connecting sleeve.

[0010] Preferably, the reinforcement rod is fixedly connected to the rock wall via a positioning pin.

[0011] Preferably, a rubber sleeve is fixedly embedded on the side wall of the dust cover.

[0012] The advantages of this utility model are: multiple reinforcement rods are used to protect the surrounding rock walls to avoid personal injury caused by rock collapse due to vibration. When drilling, dust is discharged along the discharge port, thereby protecting the working environment and avoiding dust. Pulling the T-bar separates the meshing teeth from the clamping teeth, thereby realizing the sliding of the connecting sleeve, so that the dust cover can be easily removed to observe the hole, and the operation is simple and convenient. Description of the drawings:

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is an enlarged schematic diagram of A in the present utility model.

[0015] In the figure: dust cover 1, discharge port 2, connecting rod 3, connecting sleeve 4, reinforcement rod 5, dovetail groove 6, first spring 7, dovetail block 8, mounting groove 9, latching tooth 10, sliding groove 11, T-bar 12, sliding plate 13, second spring 14, meshing tooth 15. Specific implementation method:

[0016] like Figures 1 to 2As shown, a drilling equipment for open-pit coal mine exploration comprises a dust cover 1, a discharge port 2 is provided at the bottom end of the dust cover 1, a plurality of dovetail grooves 6 are evenly provided on the outer wall of the dust cover 1, a dovetail block 8 is slidably connected in each dovetail groove 6, a first spring 7 is provided in each dovetail groove 6, a connecting rod 3 is fixedly connected to the outer wall of each dovetail block 8, a connecting sleeve 4 is sleeved on each connecting rod 3, a sliding groove 11 is provided on the inner wall of each connecting sleeve 4, a sliding plate 13 is provided in each sliding groove 11, a T-shaped rod 12 is fixedly connected to one side of each sliding plate 13, a second spring 14 is sleeved on each T-shaped rod 12, one end of each T-shaped rod 12 passes through the sliding groove 11 and is slidably connected thereto, a mounting groove 9 is provided on the side wall of each connecting rod 3, a plurality of latching teeth 10 are fixedly installed in the mounting groove 9, a plurality of meshing teeth 15 are fixedly installed on the side wall of each sliding plate 13, and a plurality of meshing teeth When drilling, the dust cover 1 is put on the drill rod in the drilling machine first, and then the reinforcing rod 5 is fixed in a suitable position. The dust cover 1 is used to protect the surrounding rock wall to avoid personal injury caused by rock collapse due to vibration. After the reinforcement is completed, one end of the corresponding connecting sleeve 4 is put on the reinforcing rod 5, which will limit the dust cover 1 so that drilling work can be carried out. When drilling, dust is discharged along the discharge port 2, thereby protecting the working environment and avoiding dust. During the drilling process, it is necessary to observe the hole. When observing, the T-bar 12 can be pulled to move the sliding plate 13, so that the meshing teeth 15 will be separated from the latch teeth 10, thereby realizing the sliding of the connecting sleeve 4, so that the dust cover can be easily removed to observe the hole. The operation is simple and convenient.

[0017] The reinforcement rod 5 is fixedly connected to the rock wall via a positioning pin.

[0018] A rubber sleeve is fixedly embedded on the side wall of the dust cover 1 .

[0019] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drilling device for open-pit coal mine exploration, characterized in that: The cam is provided with a plurality of meshing teeth on the side wall of each sliding plate, and a plurality of meshing teeth are fixedly installed on the side wall of each sliding plate, and a plurality of meshing teeth are respectively engaged with the corresponding meshing teeth, and a reinforcement rod with a sliding connection is inserted into one end of the connecting sleeve.

2. The drilling equipment for open-pit coal mine exploration according to claim 1, characterized in that: The reinforcement rod is fixedly connected to the rock wall via a positioning pin.

3. The drilling equipment for open-pit coal mine exploration according to claim 1, characterized in that: A rubber sleeve is fixedly embedded on the side wall of the dust cover.

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