CN210331982U

CN210331982U - High-pressure air filtering and lubricating device of pneumatic drilling machine

Info

Publication number: CN210331982U
Application number: CN201921196668.2U
Authority: CN
Inventors: 张丕沛; 侯郡召
Original assignee: Linyi Mining Group Heze Coal Power Co Ltd
Current assignee: Linyi Mining Group Heze Coal Power Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-17
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses pneumatic drilling machine's high-pressure air filters lubricating arrangement, including high-pressure dryer, filter and grease squirt, the high-pressure dryer has two, and two high-pressure dryer are vertical to be arranged side by side. A three-way connecting pipe is arranged between the two high-pressure air cylinders, one port of the three-way connecting pipe is connected and communicated with the middle part of one high-pressure air cylinder, and the other port of the three-way connecting pipe is connected and communicated with the middle part of the other high-pressure air cylinder. The filter is vertically arranged above the three-way connecting pipe, and the lower end of the filter is communicated with the rest port of the three-way connecting pipe. The oil ejector is vertically arranged above the filter, and the lower end of the oil ejector is communicated with the upper end of the filter. The utility model discloses it is rational in infrastructure, can effectively detach other impurity such as rust, clean filter effect is good, sprays lubricating oil in to the high-pressure draught, improves pneumatic drill's lubricated effect, reduces cost of maintenance and the frequency that the part was changed, improves pneumatic drill's life.

Description

High-pressure air filtering and lubricating device of pneumatic drilling machine

Technical Field

The utility model relates to the technical field of mechanical equipment, concretely relates to pneumatic drilling machine's high-pressure air filters lubricating arrangement.

Background

In the prior art, in the process of using a pneumatic drilling machine to construct a punching prevention hole (mainly comprising a pressure relief hole, a coal powder monitoring hole and an online rock burst monitoring hole) on an underground coal mine excavation working surface, iron rust in a steel high-pressure air supply pipe with the diameter of phi 108mm falls off, so that high-pressure air in the high-pressure air supply pipe carries impurities such as iron rust and the like to enter the drilling machine, parts such as a drilling machine motor, a bearing, a gear and the like are seriously abraded and clamped, the service life of the whole drilling machine is shortened, and the replacement cost of parts of the drilling machine is increased. The prior pneumatic drilling machine is only provided with a lubricating device (an air inlet pipe assembly) and is not provided with a high-pressure air filtering device. The added lubricating device only can lubricate the drilling machine, and cannot avoid the damage of rust in high-pressure air to the drilling machine. Accordingly, the prior art is subject to further improvements and improvements.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to provide a pneumatic drill's high-pressure air filters lubricating arrangement, and impurity such as iron rust that the solution high-pressure tuber pipe carried easily causes the part wearing and tearing in the pneumatic drill and the card is bad, leads to its lubricated effect poor, and the part is changed frequently, short service life scheduling problem.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the high-pressure air filtering and lubricating device of the pneumatic drilling machine comprises two high-pressure air cylinders, filters and an oil injector, wherein the two high-pressure air cylinders are vertically arranged in parallel. A three-way connecting pipe is arranged between the two high-pressure air cylinders, one port of the three-way connecting pipe is connected and communicated with the middle part of one high-pressure air cylinder, and the other port of the three-way connecting pipe is connected and communicated with the middle part of the other high-pressure air cylinder. The filter is vertically arranged above the three-way connecting pipe, and the lower end of the filter is communicated with the rest port of the three-way connecting pipe. The oil ejector is vertically arranged above the filter, and the lower end of the oil ejector is communicated with the upper end of the filter.

Preferably, the high-pressure air duct comprises a barrel body, an upper end cover and a lower end cover, the barrel body is of a cylindrical structure with a uniform cross section, and the upper end cover and the lower end cover are respectively arranged at the upper end and the lower end of the high-pressure air duct, so that a closed cavity structure is formed inside the high-pressure air duct.

Preferably, an air inlet pipe is arranged on the upper end cover of each high-pressure air duct, a liquid discharge pipe is arranged on the lower end cover of each high-pressure air duct, and a stop valve is arranged on each liquid discharge pipe.

Preferably, the air purifier further comprises an upper fixing plate, the upper fixing plate is sleeved at the upper ends of the two high-pressure air ducts and is fixedly connected with the outer walls of the two high-pressure air ducts, and a handle is arranged above the upper fixing plate. The part of the upper fixing plate between the two high-pressure air cylinders is provided with a square opening, and the upper end of the oil injector penetrates through the upper fixing plate through the square opening.

Preferably, the air purifier further comprises a lower fixing plate, wherein the lower fixing plate is sleeved at the lower ends of the two high-pressure air ducts and is fixedly connected with the outer walls of the two high-pressure air ducts. Four supporting legs are arranged below the lower fixing plate, the upper ends of the supporting legs are fixedly welded with the bottom of the lower fixing plate, and the lower ends of the supporting legs incline outwards.

Preferably, one port and the other port of the three-way connecting pipe are respectively and horizontally communicated with the corresponding high-pressure air duct, and the rest port of the three-way connecting pipe is vertically upward and is detachably and fixedly connected with the filter through a lower connecting body.

Preferably, the upper end of the filter is detachably and fixedly connected with the lower end of the oil injector in a threaded seal mode, and the upper end of the oil injector is provided with an upper connecting body.

Preferably, the filter is a Y-filter.

By adopting the technical scheme, the utility model discloses a beneficial technological effect is: the utility model discloses it is rational in infrastructure, can effectively detach other impurity such as rust, clean filter effect is good, sprays lubricating oil in to the high-pressure draught, improves pneumatic drill's lubricated effect, reduces cost of maintenance and the frequency that the part was changed, improves pneumatic drill's life.

Drawings

Fig. 1 is a schematic structural principle diagram of the high-pressure air filtering and lubricating device of the pneumatic drilling machine of the utility model.

FIG. 2 is a schematic view of a portion of FIG. 1 showing the strainer, the grease injector and associated components.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

with reference to fig. 1 and 2, the high-pressure air filtering and lubricating device of the pneumatic drilling machine comprises two high-pressure air ducts 1, two filters 2 and an oil injector 3, wherein the two high-pressure air ducts 1 are vertically arranged in parallel. A tee joint connecting pipe 5 is arranged between the two high-pressure air ducts 1, the tee joint connecting pipe 5 is of a T-shaped structure, two ports are horizontally arranged and face the two high-pressure air ducts 1 in opposite directions, and the rest one port faces upwards vertically. The high-pressure air duct 1 comprises a duct body, an upper end cover and a lower end cover, the duct body is of a uniform-section cylindrical structure, the upper end cover and the lower end cover are respectively arranged at the upper end and the lower end of the high-pressure air duct 1, and the edges of the upper end cover and the lower end cover are respectively fixedly welded with the upper end and the lower end of the duct body into a whole, so that a closed cavity structure is formed inside the high-pressure air duct.

An air inlet pipe 11 is arranged on the upper end cover of each high-pressure air duct 1, one end of each air inlet pipe 11 is fixedly welded with the high-pressure air duct 1, and the other end of each air inlet pipe is connected with the air outlet end of the high-pressure air pump. And a liquid discharge pipe is arranged on the lower end cover of each high-pressure air duct 1, and a stop valve 12 is arranged on each liquid discharge pipe. In the using process, water with a certain height needs to be injected into the lower part of the high-pressure air duct 1, and the water in the high-pressure air duct can be discharged through the liquid discharge pipe.

The high-pressure air filtering and lubricating device of the pneumatic drilling machine further comprises an upper fixing plate 41 and a lower fixing plate 42, wherein the upper fixing plate 41 is sleeved at the upper ends of the two high-pressure air ducts 1 and is fixedly connected with the outer walls of the two high-pressure air ducts 1, and a square opening is formed in the part, located between the two high-pressure air ducts 1, of the upper fixing plate 41. The lower fixing plate 42 is sleeved at the lower ends of the two high-pressure air ducts 1 and is fixedly connected with the outer walls of the two high-pressure air ducts 1. Four supporting legs 43 are arranged below the lower fixing plate 42, the upper ends of the supporting legs 43 are fixedly welded with the bottom of the lower fixing plate 42, the lower ends of the supporting legs 43 incline outwards, and the arrangement mode of the four supporting legs 43 can improve the stability of the high-pressure air filtering and lubricating device of the pneumatic drilling machine. The upper fixing plate 41 and the lower fixing plate 42 fix the two high-pressure air ducts 1 into an integral structure, a handle 44 is fixedly mounted above the upper fixing plate 41, and the handle 44 is respectively arranged at the placing position of the high-pressure air filtering and lubricating device of the mobile pneumatic drilling machine.

One horizontal port of the three-way connecting pipe 5 is communicated with the middle part of one of the high-pressure air cylinders 1, and the other horizontal port of the three-way connecting pipe 5 is communicated with the middle part of the other high-pressure air cylinder 1. Two horizontal ports of tee bend connecting pipe 5, the middle part of the high-pressure dryer 1 that the level intercommunication corresponds respectively, in the use, tee bend connecting pipe 5 and high-pressure dryer 1's hookup location are located the top of the inside liquid level of high-pressure dryer 1, and high-pressure wind with impurity gets into by the upper end of high-pressure dryer 1, and debris such as iron rust that carry in the high-pressure wind deposit in high-pressure section of thick bamboo water column bottom, and high-pressure wind through first filtration gets into tee bend connecting pipe 5.

The vertical setting of filter 2 is in the top of tee bend connecting pipe 5, filter 2 is Y type filter 2, and its inside filter core is dismantled conveniently, and filter 2's effect is the dust of filtering in the high pressure wind and other diameters and the less impurity of density. The lower end of the filter 2 is connected and communicated with the rest port of the three-way connecting pipe 5, the filter 2 is detachably and fixedly connected through the lower connecting body 6, high-pressure air after primary filtration is subjected to secondary filtration through the filter 2, and the obtained clean high-pressure air is discharged from the upper end of the filter 2. The vertical setting of oil squirt 3 is in the top of filter 2, the lower extreme of oil squirt 3 with the upper end of filter 2 links to each other and communicates with each other, and the clean high-pressure wind after 2 secondary filter through the filter gets into it inside by the lower extreme of oil squirt 3, and oil squirt 3 sprays the lubricating oil of atomizing state to the clean high-pressure wind through its inside.

The upper end of the filter 2 is fixedly connected with the lower end of the oil injector 3 in a detachable and thread sealing mode, the upper end of the oil injector 3 is provided with an upper connecting body 7, and the upper end of the oil injector 3 penetrates through an upper fixing plate 41 through a square opening. The connecting body 7 is connected with the pneumatic motor through a high-pressure rubber pipe, and high-pressure air carrying atomized lubricating oil has a lubricating effect on the pneumatic motor and other parts in the drilling machine.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. The high-pressure air filtering and lubricating device of the pneumatic drilling machine comprises two high-pressure air cylinders, a filter and an oil injector, and is characterized in that the two high-pressure air cylinders are vertically arranged in parallel; a three-way connecting pipe is arranged between the two high-pressure air cylinders, one port of the three-way connecting pipe is communicated with the middle part of one high-pressure air cylinder, and the other port of the three-way connecting pipe is communicated with the middle part of the other high-pressure air cylinder; the filter is vertically arranged above the three-way connecting pipe, and the lower end of the filter is communicated with the rest one port of the three-way connecting pipe; the oil ejector is vertically arranged above the filter, and the lower end of the oil ejector is communicated with the upper end of the filter.

2. The high pressure air filtering and lubricating device for the pneumatic drilling machine as claimed in claim 1, wherein the high pressure air duct comprises a barrel body, an upper end cover and a lower end cover, the barrel body is of a uniform-section cylindrical structure, and the upper end cover and the lower end cover are respectively arranged at the upper end and the lower end of the high pressure air duct, so that a closed cavity structure is formed inside the high pressure air duct.

3. The high pressure air filtering and lubricating device for the pneumatic drilling machine as claimed in claim 2, wherein an air inlet pipe is arranged on the upper end cover of each high pressure air cylinder, a liquid discharge pipe is arranged on the lower end cover of each high pressure air cylinder, and a stop valve is arranged on the liquid discharge pipe.

4. The high-pressure air filtering and lubricating device of the pneumatic drilling machine as claimed in claim 1, further comprising an upper fixing plate, wherein the upper fixing plate is sleeved at the upper ends of the two high-pressure air cylinders and is fixedly connected with the outer walls of the two high-pressure air cylinders, and a handle is arranged above the upper fixing plate; the part of the upper fixing plate between the two high-pressure air cylinders is provided with a square opening, and the upper end of the oil injector penetrates through the upper fixing plate through the square opening.

5. The high-pressure air filtering and lubricating device of the pneumatic drilling machine as recited in claim 1, further comprising a lower fixing plate, wherein the lower fixing plate is sleeved at the lower ends of the two high-pressure air cylinders and is fixedly connected with the outer walls of the two high-pressure air cylinders; four supporting legs are arranged below the lower fixing plate, the upper ends of the supporting legs are fixedly welded with the bottom of the lower fixing plate, and the lower ends of the supporting legs incline outwards.

6. The high pressure air filtering and lubricating device for the pneumatic drilling machine according to claim 1, wherein one port and the other port of the three-way connecting pipe are respectively and horizontally communicated with the corresponding high pressure air duct, and the remaining port of the three-way connecting pipe is vertically upward and is detachably and fixedly connected with the filter through a lower connecting body.

7. The high-pressure air filtering and lubricating device for the pneumatic drilling machine as recited in claim 1, wherein the upper end of the filter is detachably and fixedly connected with the lower end of the oil injector in a threaded seal manner, and the upper end of the oil injector is provided with an upper connecting body.

8. The high pressure air filtering and lubricating device of a pneumatic drill according to claim 1, wherein the filter is a Y-type filter.