Waste oil pumping device for coal mine underground tunneling

Abstract

The waste oil extraction device comprises a pneumatic diaphragm pump, an oil outlet is formed in the top of the pneumatic diaphragm pump, an air inlet is formed in the right end of the pneumatic diaphragm pump, an oil discharge pipe is arranged at the right end of the pneumatic diaphragm pump, and a collector is fixedly connected to the outer side of the lower end of the oil discharge pipe. And the bottom of the oil discharge pipe is fixedly connected with a flow guide cover. Gas in the collector can be exhausted through the design of the air outlet, the baffle can seal the air outlet, overflow of the gas in the collector can be reduced, peculiar smell is prevented from polluting the external environment, when the air pressure in the collector is too large, the gas can enter the air outlet, then the gas can push the baffle to move upwards, and the gas in the collector can be exhausted. The baffle can be separated from the inner wall of the air outlet, gas in the collector can be discharged through pressure relief, the gas pressure in the collector is prevented from being too large, the gas can be purified and filtered by the filter element when discharged, and pollution is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste oil extraction devices, in particular to a waste oil extraction device for underground coal mine excavation. Background Art

[0002] Coal mine roadheaders are a type of mechanical equipment specifically used for underground coal mining, also known as coal mine excavation equipment. Coal mine roadheaders are usually used for underground coal mine excavation work such as coal mine tunnels and fully mechanized mining working faces to improve mining efficiency and reduce labor intensity. During the use of the roadheader, the roadheader will generate waste oil, which needs to be extracted through an extraction device for easy collection.

[0003] The utility model patent with the patent authorization announcement number CN211169828U discloses a pneumatic refueling device for a coal mine roadheader, which includes a roadheader oil tank, a pneumatic diaphragm pump, a refueling barrel and a waste oil collector. The utility model has the characteristics of isolating dust, reducing internal wear during the operation of the roadheader, extending the service life of precision instruments and equipment such as the roadheader combined variable pump, hydraulic cylinder, motor, etc., and reducing equipment operating costs.

[0004] In the above-mentioned prior art, it is not convenient to filter the waste oil during the extraction and collection process of the waste oil generated by the tunnel boring machine, and there are many impurity particles in the waste oil, which is not convenient for subsequent recycling. In addition, when the waste oil collector is exhausted, the odor in the waste oil will be discharged with the air, and the gas will cause certain pollution to the external working environment. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide a waste oil extraction device for underground coal mine excavation, which solves the problem of inconvenience in filtering the collected waste oil and also solves the problem that the odor in the waste oil will float with the air and pollute the working environment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste oil extraction device for underground coal mine excavation, comprising a pneumatic diaphragm pump, an oil outlet is arranged on the top of the pneumatic diaphragm pump, an air inlet is arranged on the right end of the pneumatic diaphragm pump, an oil drain pipe is arranged on the right end of the pneumatic diaphragm pump, a collector is fixedly connected to the outer side of the lower end of the oil drain pipe, a guide cover is fixedly connected to the bottom of the oil drain pipe, an oil outlet pipe is arranged on the right end of the collector, an air outlet is fixedly connected to the top of the collector, a pressure relief mechanism is arranged on the air outlet, and a filtering mechanism is arranged on the collector.

[0007] Preferably, the pressure relief mechanism includes a cover plate, the inside of the air outlet is connected with the cover plate by threads, a filter element is arranged inside the cover plate, a sealing ring is slidably sleeved inside the air outlet, a baffle is fixedly sleeved inside the sealing ring, a guide rod is fixedly connected to the upper end of the baffle, a connecting strip is slidably sleeved on the outside of the guide rod, the connecting strip is fixedly connected to the air outlet, a connecting rod is fixedly connected to the top of the baffle, the connecting rod is slidably connected to the connecting strip, a first spring is arranged on the outside of the connecting rod, and a limiting ring is fixedly connected to the top of the connecting rod. By designing the pressure relief mechanism, the gas inside the collector can be depressurized and discharged.

[0008] Preferably, a guide groove is provided inside the connecting strip, and a guide rod is slidably sleeved inside the guide groove. The guide groove is designed so that the guide rod can slide along the connecting strip.

[0009] Preferably, one end of the first spring is fixedly connected to the baffle, and the other end of the first spring is fixedly connected to the connecting strip. By designing the first spring, the force of the first spring can act on the baffle.

[0010] Preferably, the filtering mechanism includes a connecting seat, the collector is slidably sleeved with the connecting seat, the left end of the connecting seat is fixedly connected with a handle, the right end of the connecting seat is fixedly connected with a connecting frame, a filter is arranged inside the connecting frame, a fixing rod is fixedly connected inside the connecting seat, a second spring is arranged outside the fixing rod, a slider is slidably sleeved with the outside of the fixing rod, the slider is slidably connected with the connecting seat, a ball is movably sleeved inside the slider, the ball is movably connected with the connecting seat, and the ball is movably connected with the collector. By designing the filtering mechanism, impurities in waste oil can be filtered.

[0011] Preferably, the outer side of the connection frame is in contact with a bracket, and the bracket is fixedly connected to the collector. By designing the bracket, the connection frame can be supported.

[0012] Preferably, one end of the second spring is fixedly connected to the connecting seat, and the other end of the second spring is fixedly connected to the slider. By designing the second spring, the force of the second spring can act on the slider.

[0013] Preferably, a groove is provided inside the collector, and a ball is movably sleeved inside the groove. The groove is designed so that the ball slides into the groove.

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

[0015] 1. The utility model can discharge the gas inside the collector by designing the air outlet. The baffle can close the air outlet, which can reduce the overflow of the gas inside the collector and avoid the pollution of the external environment by odor. When the air pressure inside the collector is too high, the gas will enter the air outlet, and then the gas will push the baffle up, so that the baffle can be separated from the inner wall of the air outlet, and the gas inside the collector can be depressurized and discharged, avoiding excessive air pressure inside the collector. When the gas is discharged, it can be purified and filtered by the filter element to reduce pollution.

[0016] 2. The utility model can input waste oil into the collector for collection by designing the function of the oil drain pipe. The waste oil will first be input into the connection frame. Under the action of the filter, the impurity particles in the waste oil can be preliminarily filtered to facilitate the subsequent recycling of the waste oil and avoid the blockage of the pipeline caused by the impurity particles. At the same time, the connection frame can be easily disassembled to facilitate the cleaning or replacement of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0019] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0020] Figure 4 For this utility model Figure 1 A front cross-sectional view of a local structure;

[0021] Figure 5 For this utility model Figure 4 Enlarged view of point B.

[0022] In the figure: 1. pneumatic diaphragm pump; 2. oil outlet; 3. air inlet; 4. oil drain pipe; 5. collector; 6. air deflector; 7. oil outlet pipe; 8. pressure relief mechanism; 9. filtering mechanism; 10. air outlet; 81. cover plate; 82. filter element; 83. sealing ring; 84. baffle; 85. guide rod; 86. connecting strip; 87. guide groove; 88. connecting rod; 89. first spring; 891. limiting ring; 91. connecting seat; 92. handle; 93. connecting frame; 94. filter screen; 95. bracket; 96. fixing rod; 97. second spring; 98. slider; 99. ball bearing; 991. groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 , Figure 4 A waste oil extraction device for underground coal mine excavation includes a pneumatic diaphragm pump 1, an oil outlet 2 is arranged on the top of the pneumatic diaphragm pump 1, an air inlet 3 is arranged on the right end of the pneumatic diaphragm pump 1, an oil discharge pipe 4 is arranged on the right end of the pneumatic diaphragm pump 1, a collector 5 is fixedly connected to the outer side of the lower end of the oil discharge pipe 4, a guide cover 6 is fixedly connected to the bottom of the oil discharge pipe 4, an oil outlet pipe 7 is arranged on the right end of the collector 5, an air outlet 10 is fixedly connected to the top of the collector 5, a pressure relief mechanism 8 is arranged on the air outlet 10, and a filtering mechanism 9 is arranged on the collector 5.

[0025] See also Figure 1 , Figure 2 , Figure 3 The pressure relief mechanism 8 includes a cover plate 81, the inside of the air outlet 10 is connected with the cover plate 81 by threads, the inside of the cover plate 81 is provided with a filter element 82, the inside of the air outlet 10 is slidably sleeved with a sealing ring 83, the inside of the sealing ring 83 is fixedly sleeved with a baffle 84, the upper end of the baffle 84 is fixedly connected with a guide rod 85, the outer side of the guide rod 85 is slidably sleeved with a connecting strip 86, the inside of the connecting strip 86 is provided with a guide groove 87, the inside of the guide groove 87 is slidably sleeved with the guide rod 85, and the guide groove 87 is designed so that the guide rod 85 can slide along the connecting strip 86, and the connecting strip 86 is fixedly connected to the air outlet 10, a connecting rod 88 is fixedly connected to the top of the baffle 84, the connecting rod 88 is slidably connected to the connecting strip 86, a first spring 89 is arranged on the outer side of the connecting rod 88, one end of the first spring 89 is fixedly connected to the baffle 84, and the other end of the first spring 89 is fixedly connected to the connecting strip 86. By designing the first spring 89, the force of the first spring 89 can act on the baffle 84, the top of the connecting rod 88 is fixedly connected to the limiting ring 891, and by designing the pressure relief mechanism 8, the gas inside the collector 5 can be depressurized and discharged.

[0026] See also Figure 1 , Figure 4 , Figure 5The filtering mechanism 9 includes a connecting seat 91, the connecting seat 91 is slidably sleeved inside the collector 5, the left end of the connecting seat 91 is fixedly connected to a handle 92, the right end of the connecting seat 91 is fixedly connected to a connecting frame 93, a filter screen 94 is arranged inside the connecting frame 93, the outer side of the connecting frame 93 is in contact with a bracket 95, the bracket 95 is fixedly connected to the collector 5, and the connecting frame 93 can be supported by designing the bracket 95, the inner side of the connecting seat 91 is fixedly connected to a fixing rod 96, the outer side of the fixing rod 96 is provided with a second spring 97, one end of the second spring 97 is fixedly connected to the connecting seat 91, and the other end of the second spring 97 It is fixedly connected to the slider 98, and the second spring 97 is designed so that the force of the second spring 97 can act on the slider 98. The slider 98 is slidably sleeved on the outer side of the fixed rod 96, and the slider 98 is slidably connected to the connecting seat 91. The slider 98 is movably sleeved with a ball 99 inside the slider 98, and the ball 99 is movably connected to the connecting seat 91. The ball 99 is movably connected to the collector 5. A groove 991 is opened inside the collector 5, and the ball 99 is movably sleeved inside the groove 991. By designing the groove 991, the ball 99 slides into the inside of the groove 991. By designing the filtering mechanism 9, impurities in the waste oil can be filtered.

[0027] The specific implementation process of the utility model is as follows: when in use, the waste oil is driven by the pneumatic diaphragm pump 1 to be input into the collector 5. First, the waste oil will flow into the connection frame 93 through the guide cover 6. Under the action of the filter 94, the waste oil can be filtered, and the impurity particles in the waste oil can be preliminarily filtered to facilitate the subsequent recycling of the waste oil and avoid the blockage of the pipeline caused by the impurity particles.

[0028] When it is necessary to disassemble the connecting frame 93, pull the handle 92 horizontally, the handle 92 drives the connecting seat 91 to move horizontally, the connecting seat 91 drives the ball 99 to move horizontally, the ball 99 will slide along the arc surface of the groove 991, the ball 99 will be squeezed and moved downward by the arc surface of the groove 991, the ball 99 will drive the slider 98 to move downward, the slider 98 can be pressed against the second spring 97, so that the ball 99 can be separated from the groove 991, and then the connecting seat 91 can be pulled out from the inside of the collector 5, and the connecting frame 93 can be pulled out from the inside of the collector 5, and the connecting frame 93 can be easily disassembled, so as to facilitate the cleaning or replacement of the filter 94.

[0029] The air inside the collector 5 can be discharged through the air outlet 10, and the baffle 84 can close the air outlet 10, which can reduce the overflow of the air inside the collector 5 and prevent the odor from polluting the external environment. When the air pressure inside the collector 5 is too high, the gas will enter the air outlet 10, and the gas will push the baffle 84 to move upward, and the baffle 84 will drive the guide rod 85 to move. At the same time, the baffle 84 drives the connecting rod 88 to move upward, and the baffle 84 will squeeze the first spring 89 to separate the sealing ring 83 from the inner wall of the air outlet 10. At this time, the gas will flow upward through the baffle 84, so that the gas inside the collector 5 can be depressurized and discharged, avoiding excessive air pressure inside the collector 5, and the gas can be purified and filtered by the filter element 82 when it is discharged to reduce pollution.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste oil extraction device for underground coal mine excavation, comprising a pneumatic diaphragm pump (1), characterized in that: The top of the pneumatic diaphragm pump (1) is provided with an oil outlet (2), the right end of the pneumatic diaphragm pump (1) is provided with an air inlet (3), the right end of the pneumatic diaphragm pump (1) is provided with an oil drain pipe (4), the outer side of the lower end of the oil drain pipe (4) is fixedly connected to a collector (5), the bottom of the oil drain pipe (4) is fixedly connected to a guide cover (6), the right end of the collector (5) is provided with an oil outlet pipe (7), the top of the collector (5) is fixedly connected to an air outlet (10), the air outlet (10) is provided with a pressure relief mechanism (8), and the collector (5) is provided with a filtering mechanism (9).

2. The waste oil extraction device for underground coal mine excavation according to claim 1 is characterized in that: The pressure relief mechanism (8) comprises a cover plate (81), the inside of the air outlet (10) is connected to the cover plate (81) by means of a thread, a filter element (82) is arranged inside the cover plate (81), a sealing ring (83) is slidably sleeved inside the air outlet (10), a baffle (84) is fixedly sleeved inside the sealing ring (83), a guide rod (85) is fixedly connected to the upper end of the baffle (84), a connecting strip (86) is slidably sleeved on the outer side of the guide rod (85), the connecting strip (86) is fixedly connected to the air outlet (10), a connecting rod (88) is fixedly connected to the top of the baffle (84), the connecting rod (88) is slidably connected to the connecting strip (86), a first spring (89) is arranged on the outer side of the connecting rod (88), and a limiting ring (891) is fixedly connected to the top of the connecting rod (88).

3. The waste oil extraction device for underground coal mine excavation according to claim 2 is characterized in that: A guide groove (87) is provided inside the connecting strip (86), and a guide rod (85) is slidably sleeved inside the guide groove (87).

4. The waste oil extraction device for underground coal mine excavation according to claim 2 is characterized in that: One end of the first spring (89) is fixedly connected to the baffle (84), and the other end of the first spring (89) is fixedly connected to the connecting strip (86).

5. The waste oil extraction device for underground coal mine excavation according to claim 1 is characterized in that: The filtering mechanism (9) comprises a connecting seat (91), the collector (5) is slidably sleeved with the connecting seat (91), the left end of the connecting seat (91) is fixedly connected with a handle (92), the right end of the connecting seat (91) is fixedly connected with a connecting frame (93), a filter screen (94) is arranged inside the connecting frame (93), the interior of the connecting seat (91) is fixedly connected with a fixing rod (96), the outer side of the fixing rod (96) is provided with a second spring (97), the outer side of the fixing rod (96) is slidably sleeved with a slider (98), the slider (98) is slidably connected to the connecting seat (91), the interior of the slider (98) is movably sleeved with a ball (99), the ball (99) is movably connected to the connecting seat (91), and the ball (99) is movably connected to the collector (5).

6. The waste oil extraction device for underground coal mine excavation according to claim 5 is characterized in that: The outer side of the connection frame (93) is in contact with a bracket (95), and the bracket (95) is fixedly connected to the collector (5).

7. The waste oil extraction device for underground coal mine excavation according to claim 5 is characterized by: One end of the second spring (97) is fixedly connected to the connecting seat (91), and the other end of the second spring (97) is fixedly connected to the sliding block (98).

8. The waste oil extraction device for underground coal mine excavation according to claim 1 is characterized by: A groove (991) is provided inside the collector (5), and a ball (99) is movably sleeved inside the groove (991).

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