CN202719353U - Self-lubricating device of piston of down-the-hole drill impactor - Google Patents
Self-lubricating device of piston of down-the-hole drill impactor Download PDFInfo
- Publication number
- CN202719353U CN202719353U CN 201220346691 CN201220346691U CN202719353U CN 202719353 U CN202719353 U CN 202719353U CN 201220346691 CN201220346691 CN 201220346691 CN 201220346691 U CN201220346691 U CN 201220346691U CN 202719353 U CN202719353 U CN 202719353U
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- China
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- pipe
- reducer pipe
- lubricating
- self
- lubricating oil
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- Drilling And Boring (AREA)
Abstract
The utility model belongs to the field of lubrication, and in particular to a self-lubricating device of piston of a down-the-hole drill impactor, which is characterized in that a reducer pipe with a small middle and two large ends is arranged on an air supply pipeline of a piston cylinder, the inlet end of the reducer pipe is communicated with a lubricating oil tank through a first pipeline, the outlet end of the reducer pipe is communicated with the upper end of the lubricating oil tank, which is provided with an oil pipe, the lower end of the oil pipe extends below an interface of lubricating oil, therefore lubricating oil in the lubricating oil tank is driven into the impactor in a process of conveying a working pressure gas of a down-the-hole drill, normal gas supply work of an impactor piston is ensured, and lubrication is implemented, and lubrication of a drill bit is ensured.
Description
Technical field
The utility model belongs to lubricated field, is specifically related to a kind of down-the-hole drill impactor piston self-lubricating device.
Background technique
Down-the-hole drill is equipment commonly used in the mine excavation engineering, and a piston is equipped with in the inside of its impactor, down-the-hole drill at work, high-pressure blast supply shock device power drives the drill bit action of punchinging.
In the prior art, when down-the-hole drill was punchinged work, the wind energy that constantly discharges drove punching machine and carries out the reciprocating impact motion, and the initial stage is when working, the piston wear of punching machine inside is also not obvious, through use after a while, because a large amount of reciprocating impact motion of punching machine, piston wear occurs, and down-the-hole drill lacks lubricating fitting, piston can not get lubricating, then wearing and tearing aggravation, thus cause its frequent damage.
Summary of the invention
The purpose of this utility model provides a kind of down-the-hole drill impactor piston self-lubricating device, guarantees the lubricated of impactor piston, guarantees stable the carrying out of punchinging.
For achieving the above object, the utility model has adopted following technological scheme: the air-supply pipeline at piston cylinder is provided with reducer pipe big in the end and small in the middle, the first pipeline connection is arranged between the entrance point of reducer pipe and the lubricating oil tank, the upper end that is provided with oil pipe on the outlet end of reducer pipe and the lubricating oil tank is communicated with, and the lower end of oil pipe extends to the below, interface of lubricant oil.
By such scheme as can be known, in the course of conveying of the working pressure gas of down-the-hole drill, along band the lubricant oil of lubricating oil tank is squeezed into impactor, implement lubricatedly when guaranteeing the normal air feed work of impactor piston, and then guarantee lubricating of drill bit.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of down-the-hole drill impactor piston self-lubricating device, air-supply pipeline 10 at piston cylinder is provided with reducer pipe big in the end and small in the middle 20, there is the first pipeline 40 to be communicated with between the entrance point of reducer pipe 20 and the lubricating oil tank 30, the upper end that is provided with oil pipe 50 on the outlet end of reducer pipe 20 and the lubricating oil tank 30 is communicated with, the lower end of oil pipe 50 extends to the below, interface of lubricant oil, as shown in Figure 1.
As further preferred version of the present utility model: as shown in Figure 1, the second pipeline 60 is set between the outlet end of the upper end of described oil pipe 50 and reducer pipe 20, on the second pipeline 60 one-way valve 70 is set, the one-way conduction direction of one-way valve 70 is that oil pipe 50 points to reducer pipe 20.One-way valve 70 is set guarantees that lubricant oil can not be back to lubricating oil tank 30 by the second pipeline 60, plays the effect of back pressure or pressurize.
Further, the difference of on-the-spot blast, the conveying lubricants capacity of lubricating oil tank 30 is also different, certain blast mates corresponding lubricants capacity, output quantity for control lubricant oil, the described one-way valve 70 other throttle valve 71 that connect are by the aperture of throttle valve 71 adjustings and control one-way valve 70, so that lubricated required lubricants capacity to be provided.
Further, as shown in Figure 1, for guaranteeing the Real Time Observation blast, stage casing, the small aperture Bonding pressure table 90 of described reducer pipe 20, pressure gauge 90 links to each other by sebific duct 91 with the stage casing, small aperture of reducer pipe 20.
Further, as shown in Figure 1, for ease of observing the oil level of lubricating oil tank 30, at the lubricating oil tank 30 interior oil ga(u)ges 80 that arrange, oil ga(u)ge 80 upper ends are fixed on the lubricating oil tank 30, and the lower end extends to the below, interface of lubricant oil.
The utility model in actual use, when down-the-hole drill was punchinged work, high-pressure blast entered air-supply pipeline 10, by reducer pipe 20 time, because reducer pipe 20 neutral position passage sections reduce suddenly, so that produce pressure reduction before and after stage casing, the small aperture entrance point of reducer pipe 20.Press the air intake direction, the blast of the outlet end that the blast of entrance point is higher than.Entrance point is communicated with by the first pipeline 40 and lubricating oil tank 30, outlet end is communicated with by the second pipeline and lubricating oil tank 30, by the first pipeline 40, the pressurized gas that enter lubricating oil tank 30 from the entrance point of reducer pipe 20 have increased the air pressure of the seal chamber of lubricating oil tank 30, the lubricant oil of extruding lubricating oil tank 30, so that the lower end of lubricant oil by oil pipe 50 enters, upwards be delivered to the second pipeline 60, then enter the outlet end of reducer pipe 20, thereby brought together into lube pistons in the impactor of punchinging by high-pressure blast.
Claims (5)
1. down-the-hole drill impactor piston self-lubricating device, it is characterized in that: the air-supply pipeline (10) at piston cylinder is provided with reducer pipe big in the end and small in the middle (20), there is the first pipeline (40) to be communicated with between the entrance point of reducer pipe (20) and the lubricating oil tank (30), the upper end that is provided with oil pipe (50) on the outlet end of reducer pipe (20) and the lubricating oil tank (30) is communicated with, and the lower end of oil pipe (50) extends to the below, interface of lubricant oil.
2. self-lubricating device according to claim 1, it is characterized in that: between the outlet end of the upper end of described oil pipe (50) and reducer pipe (20) the second pipeline (60) is set, one-way valve (70) is set on the second pipeline (60), and the one-way conduction direction of one-way valve (70) is that oil pipe (50) points to reducer pipe (20).
3. self-lubricating device according to claim 2 is characterized in that: the other throttle valve (71) that connects of described one-way valve (70).
4. self-lubricating device according to claim 1, it is characterized in that: stage casing, the small aperture Bonding pressure table (90) of described reducer pipe (20), pressure gauge (90) links to each other by sebific duct (91) with the stage casing, small aperture of reducer pipe (20).
5. self-lubricating device according to claim 1 is characterized in that: oil ga(u)ge (80) is set in lubricating oil tank (30), and oil ga(u)ge (80) upper end is fixed on the lubricating oil tank (30), and the lower end extends to the below, interface of lubricant oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346691 CN202719353U (en) | 2012-07-17 | 2012-07-17 | Self-lubricating device of piston of down-the-hole drill impactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346691 CN202719353U (en) | 2012-07-17 | 2012-07-17 | Self-lubricating device of piston of down-the-hole drill impactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719353U true CN202719353U (en) | 2013-02-06 |
Family
ID=47621177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220346691 Withdrawn - After Issue CN202719353U (en) | 2012-07-17 | 2012-07-17 | Self-lubricating device of piston of down-the-hole drill impactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777754A (en) * | 2012-07-17 | 2012-11-14 | 安徽铜冠机械股份有限公司 | Piston self-lubricating device for down-hole drill impacter |
-
2012
- 2012-07-17 CN CN 201220346691 patent/CN202719353U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777754A (en) * | 2012-07-17 | 2012-11-14 | 安徽铜冠机械股份有限公司 | Piston self-lubricating device for down-hole drill impacter |
| CN102777754B (en) * | 2012-07-17 | 2016-03-16 | 安徽铜冠机械股份有限公司 | Down-the-hole drill impactor piston self-lubricating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |