Pressurized lubricating oil recovery device of rock drill

Abstract

The pressurized lubricating oil recycling device comprises the rock drill and a waste oil collecting box, an oil outlet of the rock drill is fixedly connected with a discharging hose used for discharging waste oil and metal powder, and a filter element is arranged in the waste oil collecting box. One end of the discharge hose penetrates through the waste oil collecting box and is fixedly connected with the inlet end of the filter element, an oil inlet of the rock drill is fixedly connected with an input hose used for receiving lubricating oil and compressed gas, and the lower end of the input hose is fixedly connected with a tee joint. When the rock drill is subjected to high-speed impact and rotary reciprocating motion, abraded impurities, scrap iron or powder generated between parts and the filter element can be collected, the waste oil and waste residues are prevented from being directly discharged, and environmental pollution is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of rock drills, and in particular relates to a pressurized lubricating oil recovery device for a rock drill. Background Art

[0002] Hydraulic rock drills are widely used in drilling projects, and the reciprocating motion of the piston is achieved by supplying and returning oil.

[0003] Existing rock drills, such as China Utility Model Publication No. CN208669196U, disclose a self-cooling rock drill, wherein a drill tail is mounted at the lower end of the rock drill body, and the lower end of the drill tail is connected to the drill tool; a cooling hood, which surrounds the connection between the drill tail and the drill tool; the interior of the cooling hood is hollow, and a plurality of through holes are provided on the inner side of the cooling hood facing the connection between the drill tail and the drill tool; the interior of the cooling hood is connected to an air compressor through a gas pipeline; and a connector, through which the cooling hood is connected to the rock drill body.

[0004] Although the rock drill can achieve rock drilling and cooling, the lubricating oil of the rock drill is directly discharged into the air with iron chips, which is easy to cause environmental pollution. At the same time, it does not have the waste oil recovery function and is not practical. Utility Model Content

[0005] The utility model aims to provide a pressurized lubricating oil recovery device for a rock drill, so as to solve the technical defect that the lubricating oil of the existing rock drill is directly discharged into the air with iron chips to pollute the environment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressurized lubricating oil recovery device for a rock drill, comprising a rock drill and a waste oil collection box, the oil outlet of the rock drill is fixedly connected with a discharge hose for discharging waste oil and metal powder, a filter element is arranged inside the waste oil collection box, one end of the discharge hose passes through the waste oil collection box and is fixedly connected to the inlet end of the filter element, the oil inlet of the rock drill is fixedly connected with an input hose for receiving lubricating oil and compressed gas, and the lower end of the input hose is fixedly connected with a tee.

[0007] As a further solution of the utility model, one end of the tee is connected to a pressure reducing valve via an air supply pipe, and the pressure reducing valve is connected to a gas source via a connecting pipe.

[0008] As a further solution of the utility model, a safety valve is fixedly connected to the connecting pipe.

[0009] As a preferred solution of the utility model, a pressure gauge is fixedly connected to the pressure reducing valve.

[0010] As a further preferred embodiment of the present invention, one end of the tee is connected to a pulse oil injection pump via an oil delivery pipe, and the pulse oil injection pump is connected to a lubricating oil tank via a connecting pipe.

[0011] As a further solution of the utility model, a liquid level alarm mechanism is installed on the lubricating oil tank.

[0012] As a preferred solution of the utility model, a liquid level observation window is provided on the right side of the waste oil collection box.

[0013] As a further preferred embodiment of the present invention, a sewage outlet is provided at the lower portion of the waste oil collection box, and a sewage outlet is installed on the sewage outlet.

[0014] Compared with the prior art, the pressurized lubricating oil recovery device for a rock drill provided by the utility model has the following beneficial effects:

[0015] 1. The rock drill of the utility model is connected to the inside of the waste oil collection box through a discharge hose to collect the waste oil.

[0016] 2. When the rock drill is in high-speed impact and rotary reciprocating motion, the filter element can collect impurities, iron filings or powder produced by wear between parts.

[0017] 3. Prevent direct discharge of waste oil and waste residue to reduce environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic structural diagram of an embodiment of the utility model.

[0020] Reference numerals:

[0021] 1. Discharge hose; 2. Rock drill; 3. Input hose; 4. Tee; 5. Air pipe; 6. Safety valve; 7. Air source; 8. Pressure reducing valve; 9. Pulse oil injection pump; 10. Lubricating oil tank; 11. Liquid level alarm mechanism; 12. Oil pipeline; 13. Filter element; 14. Liquid level observation window; 15. Drain valve; 16. Waste oil collection box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0024] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0025] See attached Figure 1 As shown, a pressurized lubricating oil recovery device for a rock drill according to an embodiment of the utility model comprises a rock drill 2 and a waste oil collection box 16. The rock drill 2 is composed of a moving impact piston, a buffer piston, a rotating bushing, a drive sleeve, and a drill tail.

[0026] The pulse lubricating oil is pumped into the oil delivery pipe 12 through the pulse oil injection pump 9, and the air source 7 is pressure-transmitted through the tee 4 to transport the lubricating oil to the inside of the rock drill 2, and a part of the lubricating oil forms an oil film through pressure.

[0027] The connecting end faces of the rock drill 2 are fully lubricated, and another part of the oil enters the rock drill 2 to fully lubricate the internal parts of the rock drill 2 that perform high-speed reciprocating and rotating motion. The amount of lubricating oil entering the rock drill is diverted through various nozzles installed in the internal channel to control the output amount. Impurities or powders caused by wear between the high-speed impact and rotating reciprocating parts are brought out of the rock drill 2 by pressurized oil and gas lubrication, and are separated and discharged through the waste oil collection box 16.

[0028] The oil outlet of the rock drill 2 is fixedly connected to a discharge hose 1 for discharging waste oil and metal powder, a filter element 13 is provided inside the waste oil collection box 16, one end of the discharge hose 1 passes through the waste oil collection box 16 and is fixedly connected to the inlet end of the filter element 13, and the oil inlet of the rock drill 2 is fixedly connected to an input hose 3 for receiving lubricating oil and compressed gas, and the lower end of the input hose 3 is fixedly connected to a tee 4.

[0029] See attached Figure 1 As shown, one end of the tee 4 is connected to a pressure reducing valve 8 through a gas transmission pipe 5, and the pressure reducing valve 8 is connected to a gas source 7 through a connecting pipe. The gas source 7 refers to the compressed gas generated by a factory compressor and output through a pipeline.

[0030] A safety valve 6 is fixedly connected to the connecting pipe to prevent the connecting pipe from exploding due to excessive pressure.

[0031] A barometer is fixedly connected to the pressure reducing valve 8 to display the current gas pressure.

[0032] One end of the tee 4 is connected to a pulse oil pump 9 through an oil delivery pipe 12, and the pulse oil pump 9 is connected to a lubricating oil tank 10 through a connecting pipe. The lubricating oil tank 10 is filled with lubricating oil for injecting into the rock drill 2 for lubrication.

[0033] The lubricating oil tank 10 is provided with a liquid level alarm mechanism 11, which can issue a warning when the liquid level is too low, reminding personnel to refill the lubricating oil.

[0034] A liquid level observation window 14 is provided on the right side of the waste oil collection tank 16 for observing the liquid level of the waste oil collection tank 16 .

[0035] A drain port is provided at the lower portion of the waste oil collection box 16, and a drain valve 15 is installed on the drain port for discharging the waste oil when necessary.

[0036] The working principle of the rock drill is as follows: the rock drill 2 is connected to the inside of the waste oil collection box 16 through the discharge hose 1, and the waste oil collection box 16 is provided with a filter element 13. When the rock drill 2 is in high-speed impact and rotation reciprocating motion, impurities, iron filings or powders are generated by wear between parts. The filter element 13 and the waste oil collection box 16 are used to collect the waste oil and filter out the impurities, iron filings or powders, which are brought out of the rock drill through pressurized oil and gas lubrication and separated and removed through waste oil collection.

[0037] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressurized lubricating oil recovery device for a rock drill, characterized in that: The invention comprises a rock drill (2) and a waste oil collection box (16), wherein the oil outlet of the rock drill (2) is fixedly connected to a discharge hose (1) for discharging waste oil and metal powder, a filter element (13) is provided inside the waste oil collection box (16), one end of the discharge hose (1) passes through the waste oil collection box (16) and is fixedly connected to the inlet end of the filter element (13), and the oil inlet of the rock drill (2) is fixedly connected to an input hose (3) for receiving lubricating oil and compressed gas, and the lower end of the input hose (3) is fixedly connected to a tee (4).

2. A pressurized lubricating oil recovery device for a rock drill according to claim 1, characterized in that: One end of the three-way valve (4) is connected to a pressure reducing valve (8) via an air supply pipe (5), and the pressure reducing valve (8) is connected to a gas source (7) via a connecting pipe.

3. A pressurized lubricating oil recovery device for a rock drill according to claim 2, characterized in that: A safety valve (6) is fixedly connected to the connecting pipe.

4. A pressurized lubricating oil recovery device for a rock drill according to claim 2, characterized in that: The pressure reducing valve (8) is fixedly connected with a pressure gauge.

5. The pressurized lubricating oil recovery device for a rock drill according to claim 1, characterized in that: One end of the tee (4) is connected to a pulse oil injection pump (9) via an oil delivery pipe (12), and the pulse oil injection pump (9) is connected to a lubricating oil tank (10) via a connecting pipe.

6. A pressurized lubricating oil recovery device for a rock drill according to claim 5, characterized in that: A liquid level alarm mechanism (11) is installed on the lubricating oil tank (10).

7. A pressurized lubricating oil recovery device for a rock drill according to claim 1, characterized in that: A liquid level observation window (14) is provided on the right side of the waste oil collection box (16).

8. A pressurized lubricating oil recovery device for a rock drill according to claim 7, characterized in that: A sewage outlet is provided at the lower part of the waste oil collection box (16), and a sewage outlet is installed on the sewage outlet.

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