Drilling machine for blasting open pit coal mine

Abstract

The utility model relates to the technical field of drilling machines, in particular to a drilling machine for blasting of an open pit coal mine, which comprises a drilling machine base plate, connecting plates are arranged at two ends of the drilling machine base plate, rollers for moving the drilling machine base plate are fixedly connected to two ends of each connecting plate, and a pull rope is fixedly connected to one end, far away from the connecting plates, of the drilling machine base plate. Each fixing mechanism comprises a screw and a nut, the rollers are arranged to be matched with the drilling machine base plate, the connecting plates are slidably connected to the outer portions of the screws at the moment, the nuts are in threaded connection to the outer portions of the screws at the moment to fix the connecting plates, and when a drilling machine needs to be moved, the drilling machine base plate is put down, the rollers make contact with the ground, and the drilling machine base plate is fixed. At the moment, friction force between the idler wheels and the ground is small, a worker can easily move the drilling machine to the needed position by pulling the pull rope, the worker can move the drilling machine at any time according to the actual operation requirement without waiting for allocation of large equipment, and meanwhile the moving efficiency can be improved through the idler wheels.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drilling machine, especially relates to a drilling machine for open coal mine blasting. BACKGROUND

[0002] The primary role of the drilling machine is to drill blast holes in the predetermined blasting area, which provides space for subsequent explosive loading. By drilling blast holes of different depths, diameters and angles, the explosive can be accurately placed in the rock or coal seam that needs to be blasted, so that the explosive energy can effectively act on the rock, achieving rock breaking and loosening. The drilling machine has the following structure:

[0003] 1. Power device, generally electric motor or engine, provides power for the drilling machine, drives each component of the drilling machine to operate;

[0004] 2. Rotary mechanism, responsible for driving the drilling tool (such as drill pipe, drill bit) to rotate, so that the drill bit cuts the rock;

[0005] 3. Drilling tool, including drill pipe and drill bit, etc. The drill bit directly contacts the rock and breaks the rock through impact and rotation. The drill pipe is used to connect the drill bit and the rotary and propulsion mechanism of the drilling machine to transmit power and torque.

[0006] 4. Support mechanism, supporting the drilling machine;

[0007] 5. Base plate, structure for installing the motor, rotary mechanism and support mechanism.

[0008] The small drilling machine has smaller volume and weight compared to the large drilling machine. However, in the complex terrain environment of open coal mine, such as undulating terrain and soft ground, it is difficult to move. If the drilling machine needs to improve the moving efficiency, it still needs to rely on large auxiliary equipment for shifting operation. Otherwise, the efficiency will be reduced by manual movement of the workers. UTILITY MODEL CONTENTS

[0009] In view of the deficiencies of the prior art, the utility model provides a drilling machine for open coal mine blasting, which solves the technical problem that the small drilling machine has smaller volume and weight compared to the large drilling machine, but it is difficult to move in the complex terrain environment of open coal mine, such as undulating terrain and soft ground. If the drilling machine needs to improve the moving efficiency, it still needs to rely on large auxiliary equipment for shifting operation. Otherwise, the efficiency will be reduced by manual movement of the workers.

[0010] To achieve the above purpose, the utility model is implemented by the following technical solutions:

[0011] A kind of drill rig for open coal mine blasting, including drill rig base plate, both ends of drill rig base plate are provided with connecting plate, both ends of each connecting plate are fixedly connected with the roller for the movement of drill rig base plate, the end of drill rig base plate away from connecting plate is fixedly connected with pull rope, one side of drill rig base plate corresponding each connecting plate is provided with the fixing mechanism for fixing connecting plate, each fixing mechanism includes screw rod and nut, screw rod is arranged outside drill rig base plate, nut is threadedly connected outside screw rod, the outside of each connecting plate is provided with through hole, and connecting plate is slidably connected outside screw rod by through hole.

[0012] Preferably: the outside of each screw rod is movably sleeved with gasket, and the gasket is located between the connecting plate and the nut.

[0013] Preferably: the two ends of drill rig base plate corresponding each connecting plate are fixedly installed with limiting block for limiting the rotation of connecting plate, the two ends of each connecting plate are fixedly installed with limiting frame, and the connecting plate is slidably connected outside limiting block by limiting frame, so as to limit the position of connecting plate on drill rig base plate.

[0014] Preferably: one side of drill rig base plate corresponding each screw rod is fixedly installed with two mounting blocks, the outside of each mounting block is provided with mounting slot, and the two ends of screw rod are slidably connected inside two mounting slots respectively, the inside of each mounting slot is provided with elastic sheet, and the inside of each mounting slot is provided with built-in slot, and the elastic sheet is fixedly connected inside built-in slot, so as to facilitate the replacement of screw rod.

[0015] Preferably: the two sides of each connecting plate are fixedly installed with handle, and the handle is concave body, so as to facilitate the operation of connecting plate.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] I. By setting the roller, cooperating with the drill rig base plate, the connecting plate is slidably connected outside the screw rod at this time, the nut is threadedly connected outside the screw rod at this time to fix the connecting plate, when the drill rig needs to be moved, the drill rig base plate is laid down, so that the roller contacts the ground, the friction between the roller and the ground is small at this time, the worker can easily move the drill rig to the required position by pulling the pull rope, the worker can move the drill rig at any time according to the actual operation requirement, without waiting for the allocation of large equipment, and the moving efficiency can be improved through the roller.

[0018] II. By setting the mounting slot, cooperating with the screw rod, when the screw rod is damaged, the screw rod is pulled downward to disconnect the connection between the screw rod and the mounting slot, the two ends of the new screw rod are slidably connected inside two mounting slots at this time, in this process, the elastic sheet moves inside the built-in slot, when the two ends of the screw rod completely enter the inside of the mounting slot, the elastic sheet extends outward and contacts the outside of the screw rod under the action of its own elasticity to fix the screw rod, at this time, the screw rod is installed, and the replacement of the screw rod is facilitated. Attached Figure Description

[0019] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This utility model Figure 1 Structural diagram of the middle connecting plate;

[0022] Figure 3 This utility model Figure 1 Enlarged structural diagram of A in the middle;

[0023] Figure 4 This utility model Figure 1 Enlarged structural diagram of B in the middle;

[0024] Figure 5 This utility model Figure 2 Enlarged structural diagram of C;

[0025] Figure 6 This utility model Figure 1 Exploded view of the mounting block.

[0026] Legend: 1. Drilling rig base plate; 2. Connecting plate; 3. Roller; 4. Pull rope; 5. Screw; 6. Nut; 7. Washer; 8. Limiting block; 9. Limiting frame; 10. Mounting block; 11. Mounting groove; 12. Spring; 13. Internal groove; 14. Handle; 15. Through hole. Detailed Implementation

[0027] This application provides a drilling rig for open-pit coal mine blasting, which effectively solves the problem that while small drilling rigs are smaller in size and weight than large drilling rigs, they are difficult to move in the complex terrain of open-pit coal mines, such as undulating terrain and soft ground. If it is necessary to improve the efficiency of drilling rig movement, large auxiliary equipment is still required for relocation operations. Otherwise, relying solely on manual movement by workers will reduce efficiency.

[0028] Example

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the technical scheme in the embodiment of the application effectively solves the problem that the volume and weight of a small drilling rig are reduced compared with a large drilling rig, but the small drilling rig is difficult to move in a complex terrain environment of an open coal mine, such as a high-low undulating terrain and a soft ground, and if the moving efficiency of the drilling rig needs to be improved, large auxiliary equipment needs to be used for shifting operation, otherwise the efficiency is reduced by manual moving of workers.

[0030] In view of the problems in the prior art, the utility model provides a drilling rig for open coal mine blasting, including drilling rig base plate 1, both ends of drilling rig base plate 1 are provided with connecting plate 2, both ends of each connecting plate 2 are fixedly connected with the roller 3 for the movement of drilling rig base plate 1, the end away from connecting plate 2 of drilling rig base plate 1 is fixedly connected with pull rope 4, one side of drilling rig base plate 1 corresponds each connecting plate 2 is provided with the fixed mechanism for fixed connecting plate 2, each fixed mechanism includes screw rod 5 and nut 6, screw rod 5 is arranged at the outside of drilling rig base plate 1, nut 6 is screwed on the outside of screw rod 5, the outside of each screw rod 5 is movably sleeved with gasket 7, and gasket 7 is located between connecting plate 2 and nut 6.

[0031] The outside of each connecting plate 2 is provided with a through hole 15, and the through hole 15 is located between the two rollers 3, and the connecting plate 2 is slidably connected to the outside of the screw rod 5 through the through hole 15.

[0032] The both ends of each connecting plate 2 are fixedly installed with a limiting block 8 for limiting the rotation of the connecting plate 2, and the both ends of each connecting plate 2 are fixedly installed with a limiting block 8 for limiting the rotation of the connecting plate 2.

[0033] The both ends of each connecting plate 2 are fixedly installed with a limiting block 8 for limiting the rotation of the connecting plate 2, and the both ends of each connecting plate 2 are fixedly installed with a limiting block 8 for limiting the rotation of the connecting plate 2.

[0034] The both ends of each connecting plate 2 are fixedly installed with a limiting block 8 for limiting the rotation of the connecting plate 2, and the both ends of each connecting plate 2 are fixedly installed with a limiting block 8 for limiting the rotation of the connecting plate 2.

[0035] Drilling rig base plate 1: as the basic support structure of the whole drilling rig, it provides mounting position and support for other components, and ensures the stability of the whole drilling rig.

[0036] Connecting plate 2: connecting drilling rig base plate 1 and roller 3, playing a role of transition and force transmission, so that drilling rig base plate 1 can move through roller 3.

[0037] Roller 3: installed at both ends of the connecting plate 2, used to realize the movement of the drilling machine, reduce the friction between the drilling machine and the ground, and facilitate the movement of the position in the open coal mine site;

[0038] Pull rope 4: fixed at the end of the drilling machine base plate 1 away from the connecting plate 2, convenient for workers to pull the drilling machine to change its position;

[0039] Screw rod 5 and nut 6: as the key component connecting the drilling machine base plate 1 and the connecting plate 2, providing support and positioning for the installation of the connecting plate 2, the nut 6 is screwed with the screw rod 5, by tightening the nut 6 can fix the connecting plate 2 on the drilling machine base plate 1, ensure the stability of the drilling machine structure;

[0040] Gasket 7: located between the connecting plate 2 and the nut 6, increasing the contact area between the nut 6 and the connecting plate 2, dispersing the pressure, preventing the nut 6 from damaging the surface of the connecting plate 2 when tightening;

[0041] Through hole 15: opened in the outside of the connecting plate 2, so that the connecting plate 2 can be connected by sliding through the through hole 15 outside the screw rod 5, convenient for the installation and disassembly of the connecting plate 2;

[0042] Limiting block 8 and limiting frame 9: limiting block 8 and limiting frame 9 cooperate with each other to ensure the stability of the connecting plate 2 in the working process, and at the same time limit the position of the connecting plate 2 on the drilling machine base plate 1, enhance the connection stability between the connecting plate 2 and the drilling machine base plate 1;

[0043] Mounting block 10 and mounting slot 11: mounting block 10 provides support and positioning for the installation of screw rod 5, mounting slot 11 ensures the accurate installation position of screw rod 5.

[0044] Built-in slot 13 and spring 12: built-in slot 13 provides installation space for spring 12, when screw rod 5 is installed into mounting slot 11, spring 12 is compressed, when screw rod 5 is completely into mounting slot 11, spring 12 extends outward under the action of its own elasticity and contacts the outside of screw rod 5, plays a role in fixing screw rod 5, prevents screw rod 5 from loosening.

[0045] Handle 14: fixed on both sides of the connecting plate 2, convenient for workers to operate when installing, disassembling or moving the connecting plate 2.

[0046] Working principle:

[0047] First, the screw rod 5 is slidably connected to the two installation grooves 11, and in this process, the elastic sheet 12 is moved to the inside of the built-in groove 13, and when the two ends of the screw rod 5 are completely inserted into the installation groove 11, the elastic sheet 12 is extended outward under the action of its elasticity to contact the outside of the screw rod 5 to fix the screw rod 5, at this time, the connecting plate 2 is slidably connected to the outside of the limiting block 8 through the limiting frame 9, at this time, the connecting plate 2 is slidably connected to the outside of the screw rod 5, at this time, the gasket 7 is sleeved on the outside of the screw rod 5, at this time, the nut 6 is threadedly connected to the outside of the screw rod 5 to fix the connecting plate 2, when the drilling machine needs to be moved, the drilling machine base plate 1 is laid down, and the roller 3 is in contact with the ground, at this time, the friction between the roller 3 and the ground is small, and the worker can easily move the drilling machine to the required position by pulling the pull rope 4.

[0048] Second, when the connecting plate 2 is disassembled, the drilling machine base plate 1 is erected, the nut 6 is rotated to disconnect the connection between the nut 6 and the threaded rod, at this time, the gasket 7 is pulled to disconnect the connection between the gasket 7 and the screw rod 5, at this time, the handle 14 is held to drive the connecting plate 2 to disconnect the connection between the connecting plate 2 and the screw rod 5.

[0049] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the present application, and are not limited to the implementation. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A drill rig for blasting in an open pit coal mine, comprising a drill rig base plate (1), characterized in that, Both ends of the drilling rig base plate (1) are provided with connecting plates (2), both ends of each connecting plate (2) are fixedly connected with rollers (3) for moving the drilling rig base plate (1), one end of the drilling rig base plate (1) away from the connecting plate (2) is fixedly connected with a pull rope (4), one side of the drilling rig base plate (1) corresponding to each connecting plate (2) is provided with a fixing mechanism for fixing the connecting plate (2), each fixing mechanism comprises a screw rod (5) and a nut (6), the screw rod (5) is arranged outside the drilling rig base plate (1), and the nut (6) is threadedly connected outside the screw rod (5). Wherein, the outside of each connecting plate (2) is provided with a through hole (15), and the connecting plate (2) is slidably connected outside the screw rod (5) through the through hole (15).

2. A drill rig for blasting in an open cut coal mine as claimed in claim 1 wherein, The outside of each screw rod (5) is movably sleeved with a gasket (7). Wherein, the gasket (7) is located between the connecting plate (2) and the nut (6).

3. A drill rig for use in open cut coal mining blasting as claimed in claim 1 wherein, The drilling rig base plate (1) is fixedly installed with a limiting block (8) for limiting the rotation of the connecting plate (2) at both ends corresponding to each connecting plate (2). Wherein, the both ends of each connecting plate (2) are fixedly installed with a limiting frame (9), and the connecting plate (2) is slidably connected outside the limiting block (8) through the limiting frame (9).

4. A drill rig for use in open cut coal mining blasting as claimed in claim 1 wherein, The drilling rig base plate (1) is fixedly installed with two mounting blocks (10) on one side corresponding to each screw rod (5), and the outside of each mounting block (10) is provided with a mounting groove (11). Wherein, the screw rod (5) is slidably connected inside the two mounting grooves (11) respectively.

5. A drill rig for blasting in an open cut coal mine as claimed in claim 4 wherein, The inside of each mounting groove (11) is provided with an elastic sheet (12). Wherein, the inside of each mounting groove (11) is provided with an embedded groove (13), and the elastic sheet (12) is fixedly connected inside the embedded groove (13).

6. A drill rig for blasting in an open cut coal mine as claimed in claim 1 wherein, Both sides of each connecting plate (2) are fixedly installed with a handle (14). Wherein, the handle (14) is a concave body.

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