CN109798435B - Mining pneumatic motor lubricating device - Google Patents
Mining pneumatic motor lubricating device Download PDFInfo
- Publication number
- CN109798435B CN109798435B CN201910245013.8A CN201910245013A CN109798435B CN 109798435 B CN109798435 B CN 109798435B CN 201910245013 A CN201910245013 A CN 201910245013A CN 109798435 B CN109798435 B CN 109798435B
- Authority
- CN
- China
- Prior art keywords
- pneumatic motor
- oil
- pipe joint
- air inlet
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005065 mining Methods 0.000 title claims abstract description 17
- 230000001050 lubricating effect Effects 0.000 title abstract description 7
- 238000005461 lubrication Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 230000003584 silencer Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 61
- 239000010687 lubricating oil Substances 0.000 abstract description 17
- 239000003595 mist Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a mining pneumatic motor lubricating device, which comprises an oil tank and an oil pump assembly; the oil pump assembly comprises a gear pump, a plunger pump and a pneumatic motor which are sequentially connected from bottom to top and are coaxially arranged, and an output port of the gear pump is connected with an input port of the plunger pump; the air inlet port of the pneumatic motor is fixedly connected with an air inlet seat, and one end of the air inlet seat is provided with a radial threaded through hole; an oil pipe is connected between the gear pump and the pneumatic motor, a nut for a pipe joint and a throttle valve are sequentially connected to the upper port of the oil pipe, and the throttle valve is in threaded connection with an air inlet seat. According to the invention, by taking part of low-pressure oil output by the gear guiding pump as lubricating oil of the pneumatic motor, a corresponding oil sprayer device is saved, the stability of the lubrication of the pneumatic motor is ensured by arranging the throttle valve inside, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of anchor cable stretching machines and tools, and relates to a lubricating technology of a mine anchor cable stretching pump, in particular to a lubricating device of a mine pneumatic motor.
Background
The power of the existing mining pneumatic anchor cable stretching machine is a pneumatic hydraulic pump, the power of the pneumatic hydraulic pump is a pneumatic motor or a cylinder, lubricating oil of the pneumatic motor and the cylinder is provided by oil mist devices connected in series in an air inlet pipeline, the universal oil mist device is a plastic shell, and the shell is not only easy to age and small in internal volume, but also has the defects of inflammability and fragility, and frequent oiling in operation.
Disclosure of Invention
In order to solve the technical problems of frequent oiling, low working efficiency and the like of the conventional pneumatic hydraulic pump, the invention discloses a mining pneumatic motor lubricating device.
The technical scheme of the invention is realized as follows:
A mining pneumatic motor lubrication device, comprising: an oil tank and oil pump assembly; the oil pump assembly comprises a gear pump, a plunger pump and a pneumatic motor which are sequentially connected from bottom to top and are coaxially arranged, and an output port of the gear pump is connected with an input port of the plunger pump; further, an air inlet port of the pneumatic motor is fixedly connected with an air inlet seat, and a radial threaded through hole is formed in one end of the air inlet seat; an oil pipe is connected between the gear pump and the pneumatic motor, the upper port of the oil pipe is sequentially connected with a nut for a pipe joint and a throttle valve, and the throttle valve is fixedly connected with threads of an air inlet seat; the oil pipe is any pipe body which has certain pressure-resistant bearing capacity and can be bent, and can be a stainless steel pipe, an iron pipe, a copper pipe and the like.
As a preferred implementation mode, the throttle valve comprises a valve body, a lock nut and a needle valve, an expansion table is arranged on the side wall of the valve body, external threads which are matched with the nuts and the threaded through holes for the pipe joints respectively are arranged on the side walls of the two ends of the expansion table, a shaft hole and a small hole are sequentially formed in the central shaft direction of the valve body, the other end of the valve body is coaxially provided with a through hole for the needle valve to pass through, and whether the lubricating oil is slowly dripped into the pneumatic motor through an oil pipe is controlled by adjusting whether a tip cone is in surface contact with the small hole.
In order to control the transmission of lubricating oil to the pneumatic motor through the throttle valve conveniently, the tail end of the valve body is provided with a locking nut, an external thread can be arranged at the tail end of the valve body, and the locking nut is in threaded fit with the tail end of the valve body.
As a preferred embodiment, the needle valve is composed of a tip cone, a push rod and a disc handle which are connected in sequence and used for being contacted with the small hole surface, and the push rod penetrates through a lock nut to be fixedly connected with the disc handle for relative movement.
As a preferred implementation mode, the valve body is further provided with an oil outlet hole, the oil outlet hole is radially arranged, and two ends of the oil outlet hole are respectively communicated with the small hole and the threaded through hole, so that lubricating oil in the oil pipe can be dripped into the pneumatic motor according to requirements.
In order to further control the amount of oil delivered by the gear pump into the pneumatic motor, a low-pressure overflow valve is arranged between the output port of the gear pump and the input port of the oil tank, and is used for returning the overflowed oil of the gear pump into the oil tank.
As a preferred embodiment, the air inlet seat is in threaded fit with an air inlet port of the air motor; further, a muffler is arranged at the air outlet of the pneumatic motor.
As a preferred embodiment, a nut for a pipe joint and an external thread straight-through pipe joint are sequentially connected to the lower port of the oil pipe, and the external thread straight-through pipe joint is in threaded connection with the gear pump.
In order to make the sealing effect better, a sealing gasket is arranged between the nut for the pipe joint and the throttle valve, and a sealing gasket is arranged between the nut for the pipe joint and the external thread straight-through pipe joint.
The oil pump assembly can be placed beside the oil tank, and can be fixed on the oil tank, and further, the bottom surface of the expansion table of the pneumatic motor can be fixedly connected with the upper surface of the oil tank by a screw.
The working principle of the invention is as follows: one path of lubricating oil enters the throttle valve through the external thread straight-through pipe joint and the oil pipe after passing through the gear pump under the action of the pneumatic motor, further enters the oil outlet through a gap between a small hole of the valve body and the needle valve, and is instantly atomized by compressed air passing through the air inlet seat and then is brought into the pneumatic motor to lubricate the pneumatic motor; the amount of the lubricating oil can be adjusted by the forward and backward movement of the needle valve and is fixed by a lock nut; the oil discharge amount of the muffler can be observed according to the amount of the lubricating oil.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, part of low-pressure oil output by the gear guiding pump is used as lubricating oil of the pneumatic motor, so that a corresponding oil atomizer device is saved;
(2) The throttle valve is arranged in the air inlet seat, so that the air inlet seat is not subjected to external collision and misoperation, the lubrication stability of the pneumatic motor is ensured, and the service life is prolonged;
(3) Because part of low-pressure oil led out by the gear pump is used as lubricating oil of the pneumatic motor, the oiling frequency in the working process is reduced, the time is saved, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a front view showing the structure of a pneumatic motor lubrication apparatus for mines according to an embodiment of the present invention.
Fig. 2 is a top view showing the structure of a pneumatic motor lubrication apparatus for mines according to an embodiment of the present invention.
Fig. 3 is a schematic view of the oil pipe portion of fig. 1.
Fig. 4 is a schematic view of the oil mist part of fig. 3.
Fig. 5 is a schematic diagram of an oil circuit system according to the present invention.
In the figure: 1-1 and 1-2, nuts for pipe joints; 2. a low pressure overflow valve; 3. an oil pipe; 4-1 and 4-2, gaskets; 5. a throttle valve; 6. an air inlet seat; 7. a muffler; 8. a pneumatic motor; 9. a plunger pump; 10. a gear pump; 11. an oil tank; 12. an external thread straight-through pipe joint; 501. a valve body; 502. a lock nut; 503. a needle valve; 511. an oil outlet hole; 5031. a tip cone; 5032. a threaded push rod; 5033. a disk handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The mining pneumatic motor lubricating device as shown in fig. 1-5 comprises: a fuel tank 11 and an oil pump assembly fixed to the fuel tank 11; the oil pump assembly comprises a gear pump 10, a plunger pump 9 and a pneumatic motor 8 which are sequentially connected from bottom to top and are coaxially arranged, wherein an output port of the gear pump 10 is connected with an input port of the plunger pump 9, and an output port of the plunger pump 9 is connected with an input port of the pneumatic motor 8; a low-pressure overflow valve 2 is arranged between an output port of the gear pump 10 and an input port of the oil tank 11 and is used for returning oil overflowed from the gear pump 10 into the oil tank 11; the air inlet port of the air motor 8 is in threaded connection with the air inlet seat 6, a radial threaded through hole is formed in one end, close to the air inlet port of the air motor, of the air inlet seat 6, and a silencer 7 is arranged at the air outlet of the air motor 8; an oil pipe 3 is connected between the gear pump 10 and the pneumatic motor 8, a nut 1-1 for a pipe joint and a throttle valve 5 are sequentially connected to the upper port of the oil pipe 3, and the throttle valve 5 is in threaded connection with a threaded through hole of an air inlet seat 6; the lower port of the oil pipe 3 is sequentially connected with a nut 1-2 for the pipe joint and an external thread straight-through pipe joint 12, the external thread straight-through pipe joint 12 is in threaded connection with the gear pump 10, a sealing gasket 4-1 is arranged between the nut 1-1 for the pipe joint and the throttle valve 5, and the sealing gasket 4-2 is arranged between the nut 1-2 for the pipe joint and the external thread straight-through pipe joint 12;
The throttle valve 5 comprises a valve body 501, a lock nut 502 and a needle valve 503, wherein an expansion table is arranged on the side wall of the valve body 501, external threads which are respectively matched with a nut 1-1 for a pipe joint and a threaded through hole are arranged on the side wall of two ends of the expansion table, a shaft hole and a small hole are sequentially arranged along the central axis direction of the valve body 501, and a through hole for the needle valve 503 to pass through is coaxially arranged at the other end of the valve body 501; an external thread is arranged at the tail end of the valve body, and a lock nut is in threaded fit with the tail end of the valve body; the needle valve 503 is composed of a tip cone 5031, a push rod 5032 and a disk handle 5033 which are sequentially connected and used for contacting with a small hole, if the tip cone 5031 contacts with the small hole surface, lubricating oil cannot circulate, the throttle of the lubricating oil is realized by adjusting the gap between the tip cone 5031 and the small hole, the gap between the small hole and the tip cone 5031 is set according to the oil quantity of the lubricating oil required by the pneumatic motor 8, and the push rod 5032 passes through a lock nut 502 to be fixedly connected with the disk handle 5033 for relative movement.
The valve body 501 is further provided with an oil outlet 511, the oil outlet 511 is radially arranged, and two ends of the oil outlet 511 are respectively communicated with the small holes and the threaded through holes, so that lubricating oil in the oil pipe can be slowly dripped through the oil outlet 511 as required, and the lubricating oil is atomized by the air inlet and then brought to the pneumatic motor to lubricate.
Further, the bottom surface of the expanding table of the pneumatic motor 8 is fixedly connected with the upper surface of the oil tank 11 by a screw.
The working principle is as follows: the lubricating oil enters the throttle valve 5 through the external thread straight-through pipe joint 12 and the oil pipe 3 after passing through the gear pump 10 under the action of the pneumatic motor 8, further enters the oil outlet 511 through the gap between the small hole of the valve body 501 and the needle valve 503, and is carried into the pneumatic motor 8 after being instantaneously atomized by the compressed air passing through the air inlet seat 6 through the oil outlet 511 and the gap between the valve body 501 and the air inlet seat 6, so as to lubricate the pneumatic motor 8; the amount of the lubricating oil can be adjusted by a needle valve 503 and is fixed by a lock nut 502; the amount of lubrication oil can be observed for the amount of oil discharged from the muffler 7.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A mining pneumatic motor lubrication device, comprising: an oil tank (11) and an oil pump assembly; the method is characterized in that: the oil pump assembly comprises a gear pump (10), a plunger pump (9) and a pneumatic motor (8) which are sequentially connected from bottom to top and are coaxially arranged, and an output port of the gear pump (10) is connected with an input port of the plunger pump (9); an air inlet port of the air motor (8) is fixedly connected with an air inlet seat (6), and a radial threaded through hole is formed in one end of the air inlet seat (6); an oil pipe (3) is connected between the gear pump (10) and the pneumatic motor (8), a first pipe joint nut (1-1) and a throttle valve (5) are sequentially connected to the upper port of the oil pipe (3), and the throttle valve (5) is in threaded connection with an air inlet seat (6).
2. The mining pneumatic motor lubrication device according to claim 1, wherein: the throttle valve (5) comprises a valve body (501), a locking nut (502) and a needle valve (503), an expansion table is arranged on the side wall of the valve body (501), external threads matched with the first pipe joint nut (1-1) and the radial threaded through hole are arranged on the side wall of the two ends of the expansion table respectively, a shaft hole and a small hole are sequentially formed in the central shaft direction of the valve body (501), a screw hole for the needle valve (503) to pass through is coaxially formed in the other end of the valve body (501), and the needle valve (503) is connected with the screw hole in a threaded mode.
3. The mining pneumatic motor lubrication device according to claim 2, wherein: the middle part of the needle valve (503) is provided with the lock nut (502).
4. A mining pneumatic motor lubrication device according to claim 3, wherein: the needle valve (503) is composed of a tip cone (5031), a threaded push rod (5032) and a disc handle (5033) which are sequentially connected and used for being contacted with the small hole surface, and the threaded push rod (5032) penetrates through the locking nut (502) to be fixedly connected with the disc handle (5033).
5. The mining pneumatic motor lubrication device according to claim 2, wherein: the valve body (501) is also provided with an oil outlet (511), and the oil outlet (511) is radially arranged and communicated with the small hole.
6. The mining pneumatic motor lubrication device according to claim 1, wherein: a low-pressure overflow valve (2) is arranged between an output port of the gear pump (10) and an input port of the oil tank (11) and is used for returning oil overflowed from the gear pump (10) into the oil tank (11).
7. The mining pneumatic motor lubrication device according to claim 1, wherein: and a silencer (7) is arranged at the air outlet of the pneumatic motor (8).
8. The mining pneumatic motor lubrication device according to claim 1, wherein: the lower port of the oil pipe (3) is sequentially connected with a nut (1-2) for a second pipe joint and an external thread straight-through pipe joint (12), and the external thread straight-through pipe joint (12) is in threaded connection with the gear pump (10).
9. The mining pneumatic motor lubrication apparatus according to claim 8, wherein: a first sealing gasket (4-1) is arranged between the first pipe joint nut (1-1) and the throttle valve (5), and a second sealing gasket (4-2) is arranged between the second pipe joint nut (1-2) and the external thread straight-through pipe joint (12).
10. The mining pneumatic motor lubrication device according to any one of claims 1 to 9, wherein: the oil pump assembly is fixed on the oil tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245013.8A CN109798435B (en) | 2019-03-28 | 2019-03-28 | Mining pneumatic motor lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245013.8A CN109798435B (en) | 2019-03-28 | 2019-03-28 | Mining pneumatic motor lubricating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109798435A CN109798435A (en) | 2019-05-24 |
| CN109798435B true CN109798435B (en) | 2024-05-24 |
Family
ID=66564175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910245013.8A Active CN109798435B (en) | 2019-03-28 | 2019-03-28 | Mining pneumatic motor lubricating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109798435B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050544A (en) * | 1974-05-01 | 1977-09-27 | Kalyan Jagdish C | Lubrication system for an air motor |
| CN2751108Y (en) * | 2004-11-12 | 2006-01-11 | 北京中煤矿山工程有限公司 | Big-tonnage multi-cylinder type anchor cable stretching tool |
| CN201412380Y (en) * | 2009-06-16 | 2010-02-24 | 上海凯泉泵业（集团）有限公司 | Oil self-supply bearing device of multistage centrifugal pump |
| CN203421467U (en) * | 2013-07-10 | 2014-02-05 | 宁波盛达阳光气动机械有限公司 | Micro sprayer |
| CN103835921A (en) * | 2014-03-13 | 2014-06-04 | 克诺尔制动系统（大连）有限公司 | Self-lubricating efficient oil cooling air compressor |
| CN105782045A (en) * | 2016-05-05 | 2016-07-20 | 北京朗禾科技有限公司 | Vertical type dry pump with self-circulation lubrication system |
| CN209943961U (en) * | 2019-03-28 | 2020-01-14 | 山西潞安广源工贸有限公司 | Mining pneumatic motor lubricating arrangement |
-
2019
- 2019-03-28 CN CN201910245013.8A patent/CN109798435B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050544A (en) * | 1974-05-01 | 1977-09-27 | Kalyan Jagdish C | Lubrication system for an air motor |
| CN2751108Y (en) * | 2004-11-12 | 2006-01-11 | 北京中煤矿山工程有限公司 | Big-tonnage multi-cylinder type anchor cable stretching tool |
| CN201412380Y (en) * | 2009-06-16 | 2010-02-24 | 上海凯泉泵业（集团）有限公司 | Oil self-supply bearing device of multistage centrifugal pump |
| CN203421467U (en) * | 2013-07-10 | 2014-02-05 | 宁波盛达阳光气动机械有限公司 | Micro sprayer |
| CN103835921A (en) * | 2014-03-13 | 2014-06-04 | 克诺尔制动系统（大连）有限公司 | Self-lubricating efficient oil cooling air compressor |
| CN105782045A (en) * | 2016-05-05 | 2016-07-20 | 北京朗禾科技有限公司 | Vertical type dry pump with self-circulation lubrication system |
| CN209943961U (en) * | 2019-03-28 | 2020-01-14 | 山西潞安广源工贸有限公司 | Mining pneumatic motor lubricating arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 气动马达润滑系统改进设计;郑恒;郭志平;刘海龙;张艳锋;王景祥;;凿岩机械气动工具;20150915(03);第17页至第21页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109798435A (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103264272A (en) | Plunger pump valve rubber press-in equipment | |
| CN101890655A (en) | Machine tool spindle lubricating method | |
| CN105134440A (en) | Single-cylinder high-pressure oil pump assembly of improved structure for diesel engine | |
| CN109798435B (en) | Mining pneumatic motor lubricating device | |
| CN209943961U (en) | Mining pneumatic motor lubricating arrangement | |
| CN103486423A (en) | Self-lubricating device of universal spindle | |
| CN104964151A (en) | Diesel engine oil pump | |
| CN201031716Y (en) | Engine oil centrifugal filtration device of motorcycle engine | |
| CN204140322U (en) | Compressor, compressor oil line structure and bent axle | |
| CN211144805U (en) | Oil-free carbon dioxide compressor | |
| CN203835726U (en) | Two-stage compression oil injection screw main engine | |
| CN203404048U (en) | Pressurized oil supply lubrication mechanism for compressor | |
| CN103752566B (en) | Aero-engine semi-closed narrow axial cavity cleaning device and cleaning method | |
| CN203374412U (en) | Fuel return system of high pressure common rail pump | |
| CN103306939B (en) | For the starting method of Reciprocting piston compressor | |
| CN203022834U (en) | Hollow cam shaft | |
| CN212691453U (en) | Bearing lubricating system of high-speed centrifugal machine | |
| CN213743899U (en) | Lubricating device for process compressor | |
| CN103196022A (en) | Electric ultrahigh-pressure grease injector | |
| CN104373269A (en) | Return oil system of high-pressure common rail pump | |
| CN203835729U (en) | Head lubricating oil filter device of two-stage compression oil injection compressor | |
| CN204785470U (en) | Diesel engine oil pump | |
| CN210979291U (en) | Oil seal oiling tool | |
| CN203162498U (en) | Ultrahigh-voltage electric butter filling machine | |
| CN216844073U (en) | Tail end pressurizing quick-discharging type multi-point intelligent lubricating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |