CN209943961U - Mining pneumatic motor lubricating arrangement - Google Patents

Mining pneumatic motor lubricating arrangement Download PDF

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Publication number
CN209943961U
CN209943961U CN201920409820.4U CN201920409820U CN209943961U CN 209943961 U CN209943961 U CN 209943961U CN 201920409820 U CN201920409820 U CN 201920409820U CN 209943961 U CN209943961 U CN 209943961U
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CN
China
Prior art keywords
pneumatic motor
oil
gear pump
air inlet
nut
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.)
Withdrawn - After Issue
Application number
CN201920409820.4U
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Chinese (zh)
Inventor
李达峰
武文帅
白俊虎
王志刚
王拥军
秦金库
梁红喜
李春庄
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Shanxi Luan Guangyuan Industry And Trade Co Ltd
Original Assignee
Shanxi Luan Guangyuan Industry And Trade Co Ltd
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Priority to CN201920409820.4U priority Critical patent/CN209943961U/en
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Publication of CN209943961U publication Critical patent/CN209943961U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model 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 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 and a throttle valve for a pipe joint are sequentially connected to the upper port of the oil pipe, and the throttle valve is in threaded connection with the air inlet seat. The utility model discloses a corresponding oil atomizer device has been practiced thrift as pneumatic motor's lubricating oil to the part low-pressure oil that will draw gear pump output, has guaranteed the lubricated stability of pneumatic motor with the choke valve embeds, has improved work efficiency.

Description

Mining pneumatic motor lubricating arrangement
Technical Field
The invention belongs to the field of anchor cable tensioning machines and technologies, and relates to a mining anchor cable tensioning pump lubricating technology, in particular to a mining pneumatic motor lubricating device.
Background
The power of the existing mining pneumatic anchor cable tensioning machine is a pneumatic hydraulic pump, the power of the pneumatic hydraulic pump is a pneumatic motor or an air cylinder, lubricating oil of the pneumatic motor and the lubricating oil of the air cylinder are provided by oil misters connected in series in an air inlet pipeline, the universal oil misters are plastic shells, and the shells are not only easy to age and small in internal volume, but also easy to burn and break and have the defect of frequent oil filling in operation.
Disclosure of Invention
In order to solve current pneumatic hydraulic pump and have frequently refuel, the not high technical problem of work efficiency, the utility model discloses a mining pneumatic motor lubricating arrangement has practiced thrift corresponding oil mist ware device through the part low pressure oil that will draw the gear pump output as pneumatic motor's lubricating oil, has guaranteed pneumatic motor's stability with the choke valve embeds, has improved work efficiency.
The technical scheme of the utility model is realized like this:
a mining pneumatic motor lubrication device comprising: 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 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 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 and a throttle valve for a pipe joint are sequentially connected to the upper port of the oil pipe, and the throttle valve is fixedly connected with the air inlet seat through threads; 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 embodiment, the choke valve includes valve body, lock nut and needle valve, be equipped with on the lateral wall of valve body and expand the platform, and expand be equipped with on the lateral wall at platform both ends respectively with coupling nut and screw thread through-hole complex external screw thread, follow the center pin direction of valve body is equipped with shaft hole and aperture in proper order, the other end of valve body is coaxial to be equipped with the through-hole that supplies the needle valve to pass through, whether control through whether face contact of adjustment tip cone and aperture slowly instils into lubricating oil in to pneumatic motor through oil pipe.
For the convenience through the transport of throttle valve control lubricating oil to pneumatic motor the end of valve body is equipped with lock nut, can set up the external screw thread at the valve body end, with lock nut and the terminal screw-thread fit of valve body.
As a preferred embodiment, the needle valve is composed of a tip cone, a push rod and a disk handle which are sequentially connected and used for being in contact with a small hole surface, and the push rod penetrates through a locking nut to be fixedly connected with the disk handle to move relatively.
As a preferred embodiment, the valve body is further provided with an oil outlet, the oil outlet is radially arranged, and two ends of the oil outlet 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 as required.
In order to further control the oil quantity delivered by the gear pump to 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 used for enabling the oil overflowed by the gear pump to flow back into the oil tank.
In a preferred embodiment, the air inlet seat is in threaded fit with an air inlet port of the pneumatic motor; further, a silencer is arranged at an air outlet of the pneumatic motor.
In a preferred embodiment, a nut for a pipe joint and an external thread through pipe joint are sequentially connected to a lower port of the oil pipe, and the external thread through pipe joint is in threaded connection with the gear pump.
In order to improve the sealing effect, 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 also be fixed on the oil tank, and further, the bottom surface of the expansion platform of the pneumatic motor can be contacted with the upper surface of the oil tank and fixedly connected with the upper surface of the oil tank through screws.
The utility model discloses a theory of operation does: lubricating oil passes through the gear pump under the action of the pneumatic motor, then enters the throttle valve through the external thread through pipe joint and the oil pipe, further enters the oil outlet through a gap between the small hole of the valve body and the needle valve, passes through a gap between the oil outlet and the valve body and the air inlet seat, is instantly atomized by compressed air passing through the air inlet seat and then is brought into the pneumatic motor, and the lubricating oil has a lubricating effect on the pneumatic motor; the amount of lubricating oil can be adjusted by moving the needle valve back and forth and is fixed by a locking nut; the oil discharge amount of the silencer can be observed according to the amount of the lubricating oil.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model takes part of the low pressure oil output by the gear pump as the lubricating oil of the pneumatic motor, thus saving the corresponding oil atomizer device;
(2) the throttle valve is arranged in the air inlet seat and is not impacted and misoperated by the outside, so that the lubrication stability of the pneumatic motor is ensured, and the service life is prolonged;
(3) because the part of the low-pressure oil led out from the gear pump is used as the lubricating oil of the pneumatic motor, the oiling frequency in the work is reduced, the time is saved, and the work efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is the utility model discloses in embodiment mining pneumatic motor lubricating arrangement's front view.
Fig. 2 is the utility model discloses a top view of mining pneumatic motor lubricating arrangement structure in embodiment.
Fig. 3 is a schematic view of the oil tube portion of fig. 1.
Fig. 4 is a schematic structural view of the oil mist part of fig. 3.
Fig. 5 is a schematic view of the oil circuit system of the present invention.
In the figure: 1-1, a nut for a first pipe joint; 1-2, a nut for a second pipe joint; 2. a low pressure relief valve; 3. an oil pipe; 4-1, a first gasket; 4-2, a second gasket; 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. the external thread is directly connected with the pipe joint; 501. a valve body; 502. locking the 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 technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The mining pneumatic motor lubricating device as shown in figure 1 ~ 5 comprises an oil tank 11 and an oil pump assembly fixed on the oil tank 11, wherein 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 coaxially arranged, an output port of the gear pump 10 is connected with an input port of the plunger pump 9, 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 the output port of the gear pump 10 and the input port of the oil tank 11 and is used for returning oil overflowed by the gear pump 10 to the oil tank 11, an air inlet port of the pneumatic motor 8 is in threaded connection with an air inlet seat 6, a radial threaded through hole is arranged at one end of the air inlet seat 6 close to the air inlet port of the pneumatic motor, a silencer 7 is arranged at an air outlet of the pneumatic motor 8, an oil pipe 3 is connected between the gear pump 10 and the pneumatic motor 8, a first pipe joint 1-1 and a throttle valve 5 are sequentially connected at an upper port of the oil pipe 3, a second pipe joint 1-12 is connected between a second straight-through pipe joint 4, a second external thread joint 12 is arranged between the second straight-through pipe joint 1 and a second external thread pipe joint 12, and a second external thread joint 4 are connected between the second through pipe joint 1-2, and a through pipe joint 4;
the throttle valve 5 comprises a valve body 501, a locking nut 502 and a needle valve 503, wherein a platform is arranged on the side wall of the valve body 501, external threads which are respectively matched with a nut 1-1 for a first pipe joint and a threaded through hole are arranged on the side walls at two ends of the platform, a shaft hole and a small hole are sequentially arranged along the central shaft 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; arranging external threads at the tail end of the valve body, and matching a locking nut with the tail end of the valve body through threads; the needle valve 503 is composed of a tip cone 5031, a push rod 5032 and a disc 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 flow, the lubricating oil is throttled by adjusting the size of a gap between the tip cone 5031 and the small hole, the size of 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 penetrates through a locking nut 502 to be fixedly connected with the disc handle 5033 and moves relatively.
Still be equipped with oil outlet 511 on the valve body 501, oil outlet 511 radially sets up, and both ends communicate with aperture and screw thread through-hole respectively, makes the lubricating oil in the oil pipe slowly drip through oil outlet 511 as required to by the air atomization of air inlet after take people to pneumatic motor lubrication action.
Furthermore, the bottom surface of the expansion platform of the pneumatic motor 8 is contacted with the upper surface of the oil tank 11 and fixedly connected with the upper surface of the oil tank by screws.
The working principle is as follows: lubricating oil passes through the gear pump 10 under the action of the pneumatic motor 8, then enters the throttle valve 5 through the external thread straight-through pipe joint 12 and the oil pipe 3, further enters the oil outlet 511 through a gap between a small hole of the valve body 501 and the needle valve 503, is instantly atomized by compressed air passing through the air inlet seat 6 through the oil outlet 511 and a gap between the valve body 501 and the air inlet seat 6, and then is brought into the pneumatic motor 8, so that the pneumatic motor 8 is lubricated; the amount of lubricating oil can be adjusted by a needle valve 503 and fixed by a locking nut 502; the amount of lubricating oil can be observed by the oil discharge amount of the muffler 7.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present 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 an air motor (8) which are sequentially connected from bottom to top and coaxially arranged, wherein 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 pneumatic motor (8) is fixedly connected with the air inlet seat (6), and one end of the air inlet seat (6) is provided with a radial threaded through hole; 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 lubricating apparatus of claim 1, characterized in that: throttle valve (5) include valve body (501), lock nut (502) and needle valve (503), be equipped with on the lateral wall of valve body (501) and expand the platform, and expand be equipped with on the lateral wall at platform both ends respectively with first coupling with nut (1-1) and screw thread through-hole complex external screw thread, follow the center pin direction of valve body (501) is equipped with shaft hole and aperture in proper order, the other end of valve body (501) is coaxial to be equipped with the screw that supplies needle valve (503) to pass through, needle valve (503) and screw thread connection.
3. The mining pneumatic motor lubricating apparatus of claim 2, characterized in that: and a locking nut (502) is arranged in the middle of the needle valve (503).
4. The mining pneumatic motor lubricating apparatus of claim 3, characterized in that: 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 in contact with the small hole surface, and the threaded push rod (5032) penetrates through a locking nut (502) to be fixedly connected with the disc handle (5033).
5. The mining pneumatic motor lubricating apparatus of claim 2, characterized in that: the valve body (501) is further 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 lubricating apparatus of claim 1, characterized in that: and a low-pressure overflow valve (2) is arranged between the output port of the gear pump (10) and the input port of the oil tank (11) and is used for returning the oil overflowed by the gear pump (10) to the oil tank (11).
7. The mining pneumatic motor lubricating apparatus of claim 1, characterized in that: a silencer (7) is arranged at an air outlet of the pneumatic motor (8).
8. The mining pneumatic motor lubricating apparatus of claim 1, characterized in that: 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 through pipe joint (12), and the external thread through pipe joint (12) is in threaded connection with a gear pump (10).
9. The mining pneumatic motor lubricating apparatus of claim 8, characterized in that: a first sealing gasket (4-1) is arranged between the nut (1-1) for the first pipe joint and the throttle valve (5), and a second sealing gasket (4-2) is arranged between the nut (1-2) for the second pipe joint and the external thread straight-through pipe joint (12).
10. The mining pneumatic motor lubricating apparatus of claim 1 ~ 9, characterized in that the oil pump assembly is fixed to the oil tank (11).
CN201920409820.4U 2019-03-28 2019-03-28 Mining pneumatic motor lubricating arrangement Withdrawn - After Issue CN209943961U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920409820.4U CN209943961U (en) 2019-03-28 2019-03-28 Mining pneumatic motor lubricating arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920409820.4U CN209943961U (en) 2019-03-28 2019-03-28 Mining pneumatic motor lubricating arrangement

Publications (1)

Publication Number Publication Date
CN209943961U true CN209943961U (en) 2020-01-14

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Application Number Title Priority Date Filing Date
CN201920409820.4U Withdrawn - After Issue CN209943961U (en) 2019-03-28 2019-03-28 Mining pneumatic motor lubricating arrangement

Country Status (1)

Country Link
CN (1) CN209943961U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798435A (en) * 2019-03-28 2019-05-24 山西潞安广源工贸有限公司 Mine pneumatic motor lubricating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798435A (en) * 2019-03-28 2019-05-24 山西潞安广源工贸有限公司 Mine pneumatic motor lubricating device
CN109798435B (en) * 2019-03-28 2024-05-24 山西潞安广源工贸有限公司 Mining pneumatic motor lubricating device

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Granted publication date: 20200114

Effective date of abandoning: 20240524