CN209943347U - Wear-resistant rock drill copper bush - Google Patents
Wear-resistant rock drill copper bush Download PDFInfo
- Publication number
- CN209943347U CN209943347U CN201920489158.8U CN201920489158U CN209943347U CN 209943347 U CN209943347 U CN 209943347U CN 201920489158 U CN201920489158 U CN 201920489158U CN 209943347 U CN209943347 U CN 209943347U
- Authority
- CN
- China
- Prior art keywords
- brass
- oil
- hole
- bush
- wear
- 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.)
- Expired - Fee Related
Links
- 241000227287 Elliottia pyroliflora Species 0.000 title claims abstract description 26
- 239000011435 rock Substances 0.000 title claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 41
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 39
- 239000010951 brass Substances 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 17
- 239000010687 lubricating oil Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 239000005030 aluminium foil Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 229910000906 Bronze Inorganic materials 0.000 description 10
- 239000010974 bronze Substances 0.000 description 10
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009750 centrifugal casting Methods 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
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model belongs to the technical field of the copper bush technique and specifically relates to a wear-resisting rock drill copper bush, including the brass bush body, a plurality of through-hole has evenly been seted up on the brass bush body, all imbed the graphite post in the plurality of through-hole, the welding has a plurality of annular oil groove on the brass bush body lateral wall, the oil inlet has all been seted up to the oil groove top, the lubricating oil has been filled in the oil groove, the stopper has the sealing plug in the oil inlet, a plurality of microscler through-hole has been seted up on the brass bush body, a plurality of microscler through-hole inside wall is stained with the aluminium foil layer, a plurality of recess has been seted up on the brass bush. The utility model discloses, the wearability is better.
Description
Technical Field
The utility model relates to a copper bush technical field especially relates to a wear-resisting rock drill copper bush.
Background
The copper bush is a spare part in mechanical equipment, and the material of often doing contains: brass, tin bronze, lead bronze, aluminum bronze, phosphor bronze, mainly use on mining machinery equipment, and the application is more extensive, in mechanical equipment's application process, the copper bush is an indispensable spare part, the main material that the copper bush adopted has brass, bronze, aluminum bronze, phosphor bronze, lead bronze, process through sand casting and centrifugal casting technology and form, the copper bush has the characteristics of oneself with other copper products are the same, the copper bush is in the long-term operation in-process, the friction probably appears, lead to the not long life of copper bush.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a wear-resistant rock drill copper bush.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is a wear-resistant rock drill copper bush, including the brass bush body, a plurality of through-hole, a plurality of have evenly been seted up on the brass bush body all imbed the graphite post in the through-hole, the welding has a plurality of annular oil groove on the brass bush body lateral wall, the oil inlet has all been seted up to the oil groove top, lubricating oil has been filled in the oil groove, the stopper has been filled in the oil inlet, a plurality of microscler through-hole has been seted up on the brass bush body, a plurality of microscler through-hole inside wall is stained with the aluminium foil layer, a plurality of recess has been seted up on the brass bush body inside wall, a plurality of roll pearl has all been blocked in the.
Preferably, one end of the long through hole is communicated with the groove, and the end, far away from the groove, of the long through hole is communicated with the oil groove.
Preferably, the annular oil groove is of a closed structure.
The utility model provides a pair of wear-resisting rock drill copper bush, beneficial effect lies in: the brass is an alloy consisting of copper and zinc, the brass has stronger wear resistance, the copper bush is usually made of tin bronze, the original tin bronze is changed into the brass, the strength of the copper bush is increased, the copper bush has longer service time when in work, the copper bush and a mechanical device sleeved in the copper bush generate huge friction, the service life of the copper bush is reduced, the chemical property of the graphite is inactive, the copper bush has corrosion resistance, the lubricating property of the graphite depends on the size of graphite flakes, the larger the flakes are, the smaller the friction coefficient is, the better the lubricating property is, the graphite can withstand the drastic change of temperature without being damaged when in use at normal temperature, the volume change of the graphite is not large and cracks can not be generated when the temperature changes suddenly, and because the graphite has the characteristics, a plurality of through holes are uniformly arranged on the brass bush body, the graphite columns are embedded into the plurality of through holes of the brass bush body, under the condition of oil, the evenly distributed graphite columns can effectively contain oil to achieve continuous lubrication, under the special condition that the rock drill is oil-free in a short time, graphite powder can form a layer of sliding film between a copper sleeve and the outer diameter of a piston to ensure that the main friction surface of the rock drill normally rotates, so that the addition of the graphite columns enables the brass bushing body to have longer durability, in order to enable the durability of the brass bushing body to be better, annular oil grooves are welded on the outer side wall of the brass bushing body and positioned between through holes and cannot cover the through holes, lubricating oil is filled from an oil inlet above the annular oil grooves and is plugged through sealing plugs, the sealing plugs are plug bodies with the characteristics of corrosion resistance and high temperature resistance, after the lubricating oil flows into grooves communicated with the elongated through holes from the elongated through holes communicated with the annular oil grooves, the lubricating oil cannot be blocked by rolling balls clamped in the grooves, the aluminum foil layer is adhered to the inner side wall of the long through hole, so that lubricating oil can be prevented from seeping out of the long through hole, the rolling ball capable of rolling is clamped in the groove, when the mechanical device moves in the brass bushing body, the rolling ball can roll along with the rolling, the friction of the movement of the mechanical device is reduced, the lubricating oil is adhered to the rolling ball when the rolling ball rolls to be taken to the brass bushing body, the lubricating effect can be achieved, and the friction of the movement of the mechanical device is smaller.
Drawings
Fig. 1 is a schematic structural view of a wear-resistant rock drill copper bush according to the present invention;
fig. 2 is a schematic side view of the structure of fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: brass bush body 1, through-hole 2, graphite column 3, annular oil groove 4, sealing plug 5, lubricating oil 6, microscler through-hole 7, recess 8, rolling pearl 9, oil inlet 10, aluminium foil layer 11.
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.
Referring to fig. 1-3, a wear-resisting rock drill copper bush, including brass bush body 1, a plurality of through-hole 2 has evenly been seted up on the brass bush body 1, all imbed graphite post 3 in a plurality of through-hole 2, with graphite post 3 imbed in a plurality of through-hole 2 of brass bush body 1, under the condition that has oil, evenly distributed's graphite post can effectively contain oil, reach and last lubrication, under the oilless special condition of rock drill short time, the graphite powder can form one deck slip film in the middle of copper sheathing and piston external diameter, guarantee the main friction surface normal rotation of rock drill, the interpolation of graphite post makes brass bush body 1 have longer durability like this, in order to make brass bush body 1's durability better.
The outer side wall of the brass bushing body 1 is welded with a plurality of annular oil grooves 4, the annular oil grooves 4 are of a closed structure, oil inlets 10 are formed above the oil grooves 4, lubricating oil 6 is filled in the oil grooves 4, sealing plugs 5 are filled in the oil inlets 10, a plurality of long through holes 7 are formed in the brass bushing body 1, aluminum foil layers 11 are adhered to the inner side walls of the long through holes 7, a plurality of grooves 8 are formed in the inner side wall of the brass bushing body 1, one ends of the long through holes 7 are communicated with the grooves 8, one ends, far away from the grooves 8, of the long through holes 7 are communicated with the oil grooves 4, rolling beads 9 are clamped in the grooves 8, the annular oil grooves 4 are welded on the outer side wall of the brass bushing body 1, the annular oil grooves 4 are located between the through holes 2 and cannot cover the through holes 2, the lubricating oil 6 is filled from the oil inlets 10 above the annular oil grooves 4, the sealing plug 5 is a plug body with corrosion resistance and high temperature resistance, after lubricating oil flows into a groove 8 communicated with a long through hole 7 from the long through hole 7 communicated with the annular oil groove 4, the lubricating oil is blocked by a rolling ball 9 clamped in the groove 8 and cannot flow out, an aluminum foil layer 11 is adhered to the inner side wall of the long through hole 7, so that the lubricating oil can be prevented from seeping out of the long through hole 7, the rolling ball 9 capable of rolling is clamped in the groove 8, when a mechanical part moves in the brass bushing body 1, the rolling ball 9 can roll along with the rolling, the friction of the motion of the mechanical part is reduced, the lubricating oil is adhered to the rolling ball 9 when the rolling ball 9 rolls and is brought into the brass bushing body 1, the lubrication effect can be achieved, and the friction of the motion of the mechanical part is smaller.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A wear-resistant rock drill copper bush comprises a brass bush body (1) and is characterized in that, a plurality of through holes (2) are uniformly arranged on the brass bushing body (1), graphite columns (3) are embedded in the through holes (2), a plurality of annular oil grooves (4) are welded on the outer side wall of the brass bushing body (1), oil inlets (10) are formed above the annular oil grooves (4), lubricating oil (6) is filled in the annular oil grooves (4), a sealing plug (5) is plugged in the oil inlet (10), a plurality of long through holes (7) are formed in the brass bushing body (1), an aluminum foil layer (11) is adhered to the inner side walls of the long through holes (7), a plurality of grooves (8) are formed in the inner side wall of the brass bushing body (1), and rolling beads (9) are clamped in the grooves (8).
2. A wear-resistant rock drill copper bush according to claim 1, characterized in that one end of the elongated through hole (7) is in communication with the groove (8), and the end of the elongated through hole (7) remote from the groove (8) is in communication with the annular oil groove (4).
3. A wear-resistant rock drill copper bushing according to claim 1, characterized in that the annular oil groove (4) is of closed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489158.8U CN209943347U (en) | 2019-04-12 | 2019-04-12 | Wear-resistant rock drill copper bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489158.8U CN209943347U (en) | 2019-04-12 | 2019-04-12 | Wear-resistant rock drill copper bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943347U true CN209943347U (en) | 2020-01-14 |
Family
ID=69127457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489158.8U Expired - Fee Related CN209943347U (en) | 2019-04-12 | 2019-04-12 | Wear-resistant rock drill copper bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049865A (en) * | 2020-09-09 | 2020-12-08 | 南通通途机电制造有限公司 | Self-overflow lubrication type powder metallurgy copper sleeve |
| CN114458932A (en) * | 2022-01-18 | 2022-05-10 | 浙江金易达机械股份有限公司 | Guide bushing lubricating mechanism for automobile steering device |
-
2019
- 2019-04-12 CN CN201920489158.8U patent/CN209943347U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049865A (en) * | 2020-09-09 | 2020-12-08 | 南通通途机电制造有限公司 | Self-overflow lubrication type powder metallurgy copper sleeve |
| CN114458932A (en) * | 2022-01-18 | 2022-05-10 | 浙江金易达机械股份有限公司 | Guide bushing lubricating mechanism for automobile steering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |