Oil atomizer for down-the-hole drill

Abstract

The utility model discloses an atomized lubricator for a down-the-hole drill, which comprises a base, a reaction cylinder and an oil storage tank, two parallel first support plates are arranged between the base and the reaction cylinder, second support plates are welded at two ends of the top of the reaction cylinder, and the bottom of the oil storage tank is welded at the tops of the two second support plates. High-pressure air is introduced into the reaction cylinder through the air compressor, the lower oil valve is opened, engine oil in the oil storage tank drips into the reaction cylinder through the lower oil pipe, and the dripping speed of the engine oil is adjusted by controlling the opening size of the lower oil pipe through the lower oil valve. The engine oil drips into the reaction cylinder and is instantly gasified to form the oil mist when making contact with high-pressure air, the oil pump is arranged on the support, the engine oil in the engine oil tank is pumped into the oil storage tank through the oil pump to be supplied, it is guaranteed that the engine oil is supplied in the oil storage tank all the time, and oil supply is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of down-the-hole drilling machines, in particular to an oil mister for down-the-hole drilling machines. Background Art

[0002] Down-the-hole drills are widely used in prospecting, railways, highways, bridges, water conservancy and hydropower, tunnels, water inlet, anchor bolts, civil engineering, geothermal drilling, etc. During operation, the down-the-hole impactor used by the down-the-hole drill is driven by compressed air.

[0003] The existing down-the-hole drill has an oil mist device that can lubricate the drill bit mechanism in the pipeline supplying high-pressure air. However, due to its small oil storage capacity and small oil supply, it needs to be refueled more frequently. During the operation of the down-the-hole drill, it is difficult to continuously transport a sufficient amount of lubricating oil from the oil mist device to the drilling mechanism after being atomized, which is not conducive to the long-term continuous operation of the down-the-hole drill and seriously affects the use quality of the drill bit mechanism and the normal performance of the down-the-hole drill.

[0004] Therefore, it is necessary to provide a down-the-hole drill oil mist device to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model aims to provide an oil mister for a down-the-hole drill to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil mist generator for a down-the-hole drilling rig, comprising a base, a reaction cylinder and an oil storage tank, two parallel first support plates are arranged between the base and the reaction cylinder, second support plates are welded to both ends of the top of the reaction cylinder, the bottom of the oil storage tank is welded to the tops of the two second support plates, a lower oil pipe is arranged at the bottom of the oil storage tank, a connecting oil pipe is arranged at the top of the reaction cylinder, the lower end of the lower oil pipe is connected to the upper end of the connecting oil pipe, an oil lowering valve is arranged on the lower oil pipe, and the oil storage tank An oil inlet pipeline is arranged on the top, an oil inlet valve is arranged on the oil inlet pipeline, three air inlet pipes are evenly arranged on the middle part of the front side of the reaction cylinder, an air inlet valve is arranged on the air inlet pipe, the air inlet pipe is connected with an air compressor, an oil mist outlet pipe is arranged on the middle part of the back side of the reaction cylinder, the oil mist outlet pipe is connected with the drill bit of the down-the-hole drill, brackets are arranged on the side walls of the first support plate and the second support plate, an oil pump is arranged on the bracket, the oil inlet of the oil pump is connected with the oil tank through a pipeline, and the oil outlet of the oil pump is connected with the oil inlet pipeline through a pipeline.

[0007] As a preferred technical solution of the utility model, an auxiliary air pipe is provided on the top of the reaction cylinder. The auxiliary air pipe is located on one side of the lower oil pipe. The lower end of the auxiliary air pipe is connected to the inside of the reaction cylinder. The upper end of the auxiliary air pipe passes through the oil storage tank and extends to its internal space near the top.

[0008] As a preferred technical solution of the utility model, a pressure gauge is provided on the top of the reaction cylinder, and the pressure gauge is located on one side of the lower oil pipe.

[0009] As a preferred technical solution of the utility model, the top of the lower oil pipe passes through the bottom of the oil storage tank and extends to the bottom of its internal space, the lower end of the connecting oil pipe passes through the upper end of the reaction cylinder and extends to its internal space, and the lower oil pipe is locked together with the connecting oil pipe.

[0010] As a preferred technical solution of the utility model, two lifting rings are arranged on the top of the oil storage tank, and the two lifting rings are respectively located on both sides of the oil inlet pipeline.

[0011] As a preferred technical solution of the utility model, an oil level gauge is provided on the lower oil pipe, and an observation window is provided at one end of the oil storage tank.

[0012] As a preferred technical solution of the utility model, the two first support plates are respectively arranged at both ends of the upper surface of the base, the upper surface of the first support plate is an arc-shaped structure, and the reaction cylinder is fixedly arranged on the arc-shaped top surfaces of the two first support plates.

[0013] As a preferred technical solution of the utility model, the lower end structure of the second support plate is arc-shaped and is adapted to the outer circumferential surface of the reaction tube.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The oil mist collector of the utility model is a kind of oil mist collector for down-the-hole drilling rigs. The utility model arranges three air inlet pipes on the front side of the reaction cylinder to be connected with the air compressor, and the high-pressure air is introduced into the reaction cylinder through the air compressor. The oil down valve is opened, and the engine oil in the oil storage tank drips into the reaction cylinder through the oil down pipe. The opening size of the oil down pipe is controlled by the oil down valve to adjust the speed of engine oil dripping, and then the rate of oil mist generation is adjusted. The engine oil drips into the reaction cylinder and instantly contacts with the high-pressure air to form gasification and oil mist. The oil mist is finally discharged to the drill bit of the down-the-hole drilling rig through the oil mist outlet pipe. On the one hand, the drill bit is lubricated, the wear of the drill bit is reduced, and the service life of the drill bit is extended. On the other hand, high-pressure impact energy is provided to impact the materials in the drilling rig to the designated position for collection and treatment, and the energy is fully utilized. An oil pump is arranged on the bracket, and the oil in the engine oil box is pumped into the oil storage tank for oil supply through the oil pump, so as to ensure that there is always oil supply in the oil storage tank, which can ensure long-term conversion of oil mist, convenient and fast oil supply, and thus improve the working efficiency of the down-the-hole drilling rig. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2 It is a right view of the overall structure of the utility model.

[0019] In the figure: 1. base; 2. first support plate; 3. reaction cylinder; 4. air inlet pipe; 5. air inlet valve; 6. second support plate; 7. lower oil pipe; 8. oil storage tank; 9. oil mist outlet pipe; 10. bracket; 11. oil pump; 12. lower oil valve; 13. oil inlet pipeline; 14. oil inlet valve; 15. lifting ring; 16. observation window; 17. connecting oil pipe; 18. oil level gauge; 19. pressure gauge; 20. auxiliary air pipe. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described below with reference to the accompanying drawings. In the process, in order to ensure the clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.

[0021] In addition, the terms used below are defined based on the functions of the present invention and may differ depending on the intention or custom of the user or operator. Therefore, these terms are defined based on the entire contents of this specification.

[0022] like Figure 1 to Figure 2 As shown, an oil mist generator for a down-the-hole drill comprises a base 1, a reaction tube 3 and an oil storage tank 8. First support plates 2 are provided at both ends of the upper surface of the base 1. The upper surface of the first support plate 2 is an arc-shaped structure. The reaction tube 3 is fixedly arranged on the arc-shaped top surfaces of the two first support plates 2 for stable support. Second support plates 6 are welded at both ends of the top of the reaction tube 3. The lower end structure of the second support plate 6 is an arc-shaped structure that matches the outer circumferential surface of the reaction tube 3. The bottom of the oil storage tank 8 is welded to the top of the two second support plates 6. A lower oil pipe 7 is provided at the bottom of the oil storage tank 8. The top of the lower oil pipe 7 passes through the bottom of the oil storage tank 8 and extends to the bottom of its internal space to facilitate the discharge of engine oil. A connecting oil pipe 17 is provided at the top of the reaction tube 3. The connecting oil pipe 17 The lower end passes through the upper end of the reaction cylinder 3 and extends to its internal space, which is convenient for passing the engine oil into the reaction cylinder 3 for oil supply. The lower end of the lower oil pipe 7 is connected to the upper end of the connecting oil pipe 17 and locked together. The lower oil pipe 7 is provided with an oil level gauge 18. The end of the lower oil pipe 7 close to the oil storage tank 8 is provided with an oil lowering valve 12 for controlling the oil inlet speed. The top of the oil storage tank 8 is provided with an oil inlet pipe 13, and the oil inlet pipe 13 is connected to the oil storage tank 8. Two lifting rings 15 are provided on the top of the oil storage tank 8 to facilitate moving the equipment to a designated position. The two lifting rings 15 are respectively located on both sides of the oil inlet pipe 13. The oil inlet pipe 13 is provided with an oil inlet valve 14 for controlling the oil inlet amount and the oil inlet speed. An observation window 16 is provided at one end of the oil storage tank 8.

[0023] like Figure 1As shown, an auxiliary air pipe 20 is provided on the top of the reaction cylinder 3, and the auxiliary air pipe 20 is located on one side of the lower oil pipe 7. The lower end of the auxiliary air pipe 20 is connected to the inside of the reaction cylinder 3, and the upper end of the auxiliary air pipe 20 passes through the oil storage tank 8 and extends to its internal space near the top, which is convenient for pressurizing the oil level in the oil storage tank 8, and the auxiliary oil drips into the reaction cylinder 3 through the lower oil pipe 7. A pressure gauge 19 is provided on the top of the reaction cylinder 3, and the pressure gauge 19 is located on the other side of the lower oil pipe 7. Three air intake pipes 4 are evenly arranged in the middle of the front of the reaction cylinder 3, and an air intake valve 5 is arranged on the air intake pipe 4. One end of the air intake pipe 4 is connected to the internal space of the reaction cylinder 3, and the other end of the air intake pipe 4 is connected to the air compressor. High-pressure air is supplied to the reaction cylinder 3 through the external air compressor. An oil mist outlet pipe 9 is provided in the middle of the back of the reaction cylinder 3. The oil mist outlet pipe 9 is connected to the drill bit of the down-the-hole drill. On the one hand, the drill bit is lubricated, and on the other hand, high-pressure impulse energy is provided for the drill.

[0024] like Figure 2 As shown, a bracket 10 is provided on the side walls of the first support plate 2 and the second support plate 6, and an oil pump 11 is provided on the bracket 10. The oil inlet of the oil pump 11 is connected with the engine oil tank through a pipeline, and the oil outlet of the oil pump 11 is connected with the oil inlet pipeline 13 through a pipeline. The oil in the engine oil tank is pumped into the oil storage tank 8 by the oil pump 11 to realize automatic oil supply, and the oil supply is convenient and fast.

[0025] The specific implementation method is as follows: three air inlet pipes 4 are arranged on the front side of the reaction cylinder 3 to be connected with the air compressor, and high-pressure air is introduced into the reaction cylinder 3 through the air compressor. The oil lowering valve 12 is opened, and the engine oil in the oil storage tank 8 drips into the reaction cylinder 3 through the oil lower pipe 7. The opening size of the oil lower pipe 7 is controlled by the oil lower valve 12 to adjust the speed of the engine oil dripping, and then the rate of oil mist generation is adjusted. The engine oil drips into the reaction cylinder 3 and instantly contacts with the high-pressure air to form gasification to form oil mist, and the oil mist is finally discharged to the drill bit of the down-the-hole drilling rig through the oil mist outlet pipe 9. On the one hand, the drill bit is lubricated to reduce the wear of the drill bit and extend the service life of the drill bit. On the other hand, high-pressure impact energy is provided to impact the materials in the drilling rig to the designated position for collection and treatment, so as to make full use of energy. An oil pump 11 is arranged on the bracket 10, and the engine oil in the engine oil box is pumped into the oil storage tank 8 for oil supply through the oil pump 11, so as to ensure that there is always oil supply in the oil storage tank 8, which can ensure long-term conversion of oil mist, convenient and fast oil supply, and thus improve the working efficiency of the down-the-hole drilling rig.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lubricator for a down-the-hole drill, characterized in that: The invention comprises a base (1), a reaction tube (3) and an oil storage tank (8), wherein two parallel first support plates (2) are arranged between the base (1) and the reaction tube (3), second support plates (6) are welded to both ends of the top of the reaction tube (3), the bottom of the oil storage tank (8) is welded to the tops of the two second support plates (6), a lower oil pipe (7) is arranged at the bottom of the oil storage tank (8), a connecting oil pipe (17) is arranged at the top of the reaction tube (3), the lower end of the lower oil pipe (7) is connected to the upper end of the connecting oil pipe (17), an oil lowering valve (12) is arranged on the lower oil pipe (7), an oil inlet pipeline (13) is arranged at the top of the oil storage tank (8), and the oil inlet pipeline (13) is connected to the upper end of the connecting oil pipe (17). (13) is provided with an oil inlet valve (14), three air inlet pipes (4) are evenly arranged in the middle of the front of the reaction cylinder (3), an air inlet valve (5) is arranged on the air inlet pipe (4), the air inlet pipe (4) is connected to the air compressor, an oil mist outlet pipe (9) is arranged in the middle of the back of the reaction cylinder (3), the oil mist outlet pipe (9) is connected to the drill bit of the down-the-hole drilling rig, a bracket (10) is arranged on the side wall of the first support plate (2) and the second support plate (6), an oil pump (11) is arranged on the bracket (10), the oil inlet of the oil pump (11) is connected to the oil tank through a pipeline, and the oil outlet of the oil pump (11) is connected to the oil inlet pipeline (13) through a pipeline.

2. The oil mist lubricator for a down-the-hole drill according to claim 1, characterized in that: An auxiliary air pipe (20) is provided at the top of the reaction cylinder (3). The auxiliary air pipe (20) is located on one side of the lower oil pipe (7). The lower end of the auxiliary air pipe (20) is connected to the interior of the reaction cylinder (3). The upper end of the auxiliary air pipe (20) passes through the oil storage tank (8) and extends to the internal space thereof near the top.

3. The oil mist generator for a down-the-hole drill according to claim 1, characterized in that: A pressure gauge (19) is provided on the top of the reaction cylinder (3), and the pressure gauge (19) is located on one side of the lower oil pipe (7).

4. The oil mist generator for a down-the-hole drill according to claim 1, characterized in that: The top of the lower oil pipe (7) passes through the bottom of the oil storage tank (8) and extends to the bottom of its internal space, the lower end of the connecting oil pipe (17) passes through the upper end of the reaction cylinder (3) and extends to its internal space, and the lower oil pipe (7) and the connecting oil pipe (17) are locked together.

5. The oil mist generator for a down-the-hole drill according to claim 1, characterized in that: Two lifting rings (15) are arranged on the top of the oil storage tank (8), and the two lifting rings (15) are respectively located on both sides of the oil inlet pipeline (13).

6. The oil mist generator for a down-the-hole drill according to claim 1, characterized in that: The lower oil pipe (7) is provided with an oil level gauge (18), and one end of the oil storage tank (8) is provided with an observation window (16).

7. The oil mist generator for a down-the-hole drill according to claim 1, characterized in that: The two first support plates (2) are respectively arranged at two ends of the upper surface of the base (1); the upper surface of the first support plate (2) is an arc-shaped structure; and the reaction cylinder (3) is fixedly arranged on the arc-shaped top surfaces of the two first support plates (2).

8. The oil mist generator for a down-the-hole drill according to claim 1, characterized in that: The lower end structure of the second support plate (6) is arc-shaped and is adapted to fit the outer circumferential surface of the reaction cylinder (3).

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