CN201851054U - Reverse circulation percussion hammer - Google Patents
Reverse circulation percussion hammer Download PDFInfo
- Publication number
- CN201851054U CN201851054U CN2010206165151U CN201020616515U CN201851054U CN 201851054 U CN201851054 U CN 201851054U CN 2010206165151 U CN2010206165151 U CN 2010206165151U CN 201020616515 U CN201020616515 U CN 201020616515U CN 201851054 U CN201851054 U CN 201851054U
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- CN
- China
- Prior art keywords
- inner casing
- casing joint
- drill bit
- lining
- outer shell
- 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 - Lifetime
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Abstract
The utility model relates to a reverse circulation percussion hammer, which comprises an upper joint, an air curtain seat, a check valve, a spring, an adaptation pipe, a sample tube, a valve rod, an inner cylinder joint, an outer cylinder, a piston, a bushing, a stop ring, a drive chuck, an outer cylinder sleeve and a drill bit, wherein the upper joint is connected with one end of the inner cylinder joint, and the other end of the inner cylinder joint is connected with one end of the outer cylinder; the other end of the outer cylinder is connected with the drive chuck, and the outer cylinder sleeve is arranged in a tank formed by connecting the outer cylinder and the drive chuck in a clamping way; the air curtain seat is arranged in an inner hole of the upper joint, and the valve rod is arranged in the inner cylinder joint; a positioning step corresponding to the valve rod is arranged in the inner cylinder joint, and the check valve and the spring are sleeved on the adaptation pipe; one end of the adaptation pipe is connected with the air curtain seat, and the other end of the adaptation pipe is connected with the sample pipe; the sample pipe penetrates through the valve rod and an inner hole of the piston and is connected with an inner hole of one end of the drill bit, and the inner hole of one end of the piston is connected with the valve rod; the excircle is connected with the inner cylinder joint, and the other end is connected with the bushing; and the drill bit is connected with the drive chuck, and the stop ring is arranged on the drill bit.
Description
Technical field
The utility model relates to a kind of impactor, and refering in particular to is a kind ofly to be exclusively used in that accurately take a sample in the rock stratum, the reverse circulation impactor of energy-conserving and environment-protective.
Background technology
In the mine, during deep hole exploration such as oil gas well, how to make bore operation fast, efficient, stable, economical, and make the rock stratum sample of being got not be subjected to other contaminating impurities, reduce to blow slag the influence of operator and environment become present urgent problem.
What present down-the-hole air hammer adopted is from piston and the exhaust of bit central hole, deslagging outside drill bit and impactor, as analyzing to the rock stratum of gathering, a lot of impurity are contained after in via hole in the rock stratum, accuracy is not high, the dirt slag blows out loss everywhere behind the hole simultaneously, influences operator ' s health, contaminated environment.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art and provides that a kind of use is reliable, frequency of impact is high, air consumption is few, rate of penetration is fast, exploration sampling accuracy height, the down-the-hole air hammer of energy-conserving and environment-protective.
The purpose of this utility model is achieved by following technical proposals: a kind of reverse circulation impactor, comprise top connection, the air curtain seat, non retern valve, spring, adapter tube, coupon, the distribution bar, the inner casing joint, outer shell, piston, lining, snap ring, the card drill sleeve, outer cylinder sheath, drill bit, the described top connection of one end installed inside of described inner casing joint, the middle part of described outer shell is installed in the described inner casing joint other end outside, the upper end of described outer shell is connected with described inner casing joint sealing, the installed inside of lower end has the card drill sleeve, in the described card drill sleeve drill bit is installed, the top of the inboard described card drill sleeve in described outer shell lower end is equipped with lining, be provided with snap ring between described card drill sleeve and the described lining, the bayonet socket end of described drill bit is arranged in the described lining and by snap ring and limits the sliding distance of described drill bit in described lining, described coupon is arranged in the described inner casing joint, the lower end of described coupon and described drill bit endoporus are tightly connected, the outside of upper end is installed in the inboard of described inner casing joint by described distribution bar, the middle part of described distribution bar and described inner casing joint middle part are tightly connected, the upper end of described coupon also is connected with described adapter tube, described adapter tube is installed on the interior described air curtain seat of described top connection, described non retern valve and described spring housing are contained on the described adapter tube, and described piston is installed in described inner casing joint and the described outer shell, between described lining and the described distribution bar.
In the utility model, the upside of described distribution bar, described inner casing inner nosepiece wall and described non retern valve form first air chamber, the downside of described distribution bar, described inner casing inner nosepiece wall and described piston upper end form second air chamber, the upper end of described piston underside, the described outer inside wall of cylinder, described inner casing joint lower end and described lining forms the 3rd air chamber, the upper end of described piston lower end, described lining inwall and described drill bit forms the 4th air chamber, described first air chamber is by the air flue between described inner casing joint and the described outer shell, described the 4th air chamber and extraneous UNICOM.
In the utility model, described card drill sleeve adopts spline to be connected with described drill bit.
In the utility model, each endoporus of described air curtain seat, described adapter tube, described coupon and described drill bit is communicated with successively.
Because adopt above-mentioned scheme, described drill bit is connected with described card drill sleeve spline, described inner casing joint is connected with described outer shell, and it is more convenient that inner casing is seated, and it is more accurate that the inner casing part cooperates with described piston because be fixed, longer service life.Each endoporus of described air curtain seat, described adapter tube, described coupon and described drill bit is communicated with successively, and the rock slag is discharged through described each endoporus, is convenient to rock stratum sample collection and dedusting.
Description of drawings
Fig. 1 is the reverse circulation impactor structural representation.
In the accompanying drawing 1,1---top connection, 2---the air curtain seat, 3---non retern valve, 4---spring, 5---adapter tube, 6---coupon, 7---the distribution bar, 8---the inner casing joint, 9---outer shell, 10---piston, 11---lining, 12---snap ring, 13---the card drill sleeve, 14---outer cylinder sheath, 15---drill bit, 16---first air chamber, 17---second air chamber, 18---the 3rd air chamber, 19---the 4th air chamber.
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of reverse circulation impactor in detail.
As shown in Figure 1, a kind of reverse circulation impactor, comprise top connection 1, air curtain seat 2, non retern valve 3, spring 4, adapter tube 5, coupon 6, distribution bar 7, inner casing joint 8, outer shell 9, piston 10, lining 11, snap ring 12, card drill sleeve 13, outer cylinder sheath 14, drill bit 15, the described top connection 1 of one end installed inside of described inner casing joint 8, the middle part of described outer shell 9 is installed in described inner casing joint 8 other ends outside, the upper end of described outer shell 9 and described inner casing joint 8 are tightly connected, the installed inside of lower end has card drill sleeve 13, in the described card drill sleeve 13 drill bit 15 is installed, the top of the inboard described card drill sleeve 13 in described outer shell 9 lower ends is equipped with lining 11, be provided with snap ring 12 between described card drill sleeve 13 and the described lining 11, the bayonet socket end of described drill bit 15 is arranged in the described lining 11 and by snap ring 12 and limits the sliding distance of described drill bits 15 in described lining 11, described coupon 6 is arranged in the described inner casing joint 8, the lower end of described coupon 6 and described drill bit 15 endoporus are tightly connected, the outside of upper end is installed in the inboard of described inner casing joint 8 by described distribution bar 7, the middle part of described distribution bar 7 and described inner casing joint 8 middle parts are tightly connected, the upper end of described coupon 6 also is connected with described adapter tube 5, described adapter tube 5 is installed on the described air curtain seat 2 in the described top connection 1, described non retern valve 3 is sleeved on the described adapter tube 5 with described spring 4, and described piston 10 is installed in described inner casing joint 8 and the described outer shell 9, between described lining 11 and the described distribution bar 7.
In the utility model, the upside of described distribution bar 7, described inner casing joint 8 inwalls and described non retern valve 3 form first air chamber 16, the downside of described distribution bar 7, described inner casing joint 8 inwalls and described piston 10 upper ends form second air chamber 17, described piston 10 downsides, described outer shell 9 inwalls, the upper end of described inner casing joint 8 lower ends and described lining 11 forms the 3rd air chamber 18, described piston 10 lower ends, the upper end of described lining 11 inwalls and described drill bit 15 forms the 4th air chamber 19, described first air chamber is by the air flue between described inner casing joint 8 and the described outer shell 9, described the 4th air chamber and extraneous UNICOM.
In the utility model, described card drill sleeve 13 adopts spline to be connected with described drill bit 15.
In the utility model, each endoporus of described air curtain seat, described adapter tube 5, described coupon 6 and described drill bit 15 is communicated with successively.
In the utility model, described drill bit 15 is connected with described card drill sleeve 14 splines, and described inner casing joint 8 is connected with described outer shell 9, and it is more convenient that inner casing is seated, and it is more accurate that the inner casing part cooperates with described piston 10 because be fixed, longer service life.Each endoporus of described air curtain seat 2, described adapter tube 5, described coupon 6 and described drill bit 15 is communicated with successively, and the rock slag is discharged through described each endoporus, is convenient to rock stratum sample collection and dedusting.
The utility model operating principle is as follows: as shown in Figure 1, gases at high pressure enter air curtain seat 2 along the interlayer pore of double-deck drilling rod, push non retern valve 3 open, enter first air chamber 16, through the air flue between inner casing joint 8 outer walls and the outer shell, the air drain of piston, promoting piston in 18 expansions of the 3rd air chamber moves upward, when piston 10 separates with lining 11 endoporus, the gas of the 3rd air chamber 18 enters the 4th air chamber 19 and blows out impactor from spline, gas pressure in second air chamber 17 promotes piston 10 returns subsequently, again with lining 11 sealings, so circulation, reach the effect of impact, and the dirt slag is from drill bit 15, coupon 6, adapter tube 5, air curtain seat 2 and double-deck drill pipe bore are discharged outside the impactor successively.
Claims (4)
1. reverse circulation impactor, comprise top connection (1), air curtain seat (2), non retern valve (3), spring (4), adapter tube (5), coupon (6), distribution bar (7), inner casing joint (8), outer shell (9), piston (10), lining (11), snap ring (12), card drill sleeve (13), outer cylinder sheath (14), drill bit (15), it is characterized in that: the described top connection of an end installed inside (1) of described inner casing joint (8), the middle part of described outer shell (9) is installed in described inner casing joint (8) other end outside, the upper end of described outer shell (9) and described inner casing joint (8) are tightly connected, the installed inside of lower end has card drill sleeve (13), drill bit (15) is installed in the described card drill sleeve (13), the top of the inboard described card drill sleeve in described outer shell (9) lower end (13) is equipped with lining (11), be provided with snap ring (12) between described card drill sleeve (13) and the described lining (11), the bayonet socket end of described drill bit (15) is arranged in the described lining (11) and by snap ring (12) and limits the sliding distance of described drill bit (15) in described lining (11), described coupon (6) is arranged in the described inner casing joint (8), the lower end of described coupon (6) and described drill bit (15) endoporus are tightly connected, the outside of upper end is installed in the inboard of described inner casing joint (8) by described distribution bar (7), the middle part of described distribution bar (7) and described inner casing joint (8) middle part are tightly connected, the upper end of described coupon (6) also is connected with described adapter tube (5), described adapter tube (5) is installed on the interior described air curtain seat (2) of described top connection (1), described non retern valve (3) is sleeved on the described adapter tube (5) with described spring (4), and described piston (10) is installed in described inner casing joint (8) and the described outer shell (9), between described lining (11) and the described distribution bar (7).
2. reverse circulation impactor according to claim 1, it is characterized in that: the upside of described distribution bar (7), described inner casing joint (8) inwall and described non retern valve (3) form first air chamber (16), the downside of described distribution bar (7), described inner casing joint (8) inwall and described piston (10) upper end form second air chamber (17), described piston (10) downside, described outer shell (9) inwall, the upper end of described inner casing joint (8) lower end and described lining (11) forms the 3rd air chamber (18), described piston (10) lower end, the upper end of described lining (11) inwall and described drill bit (15) forms the 4th air chamber (19), described first air chamber is by the air flue between described inner casing joint (8) and the described outer shell (9), described the 4th air chamber and extraneous UNICOM.
3. reverse circulation impactor according to claim 1 is characterized in that: described card drill sleeve (13) adopts spline to be connected with described drill bit (15).
4. reverse circulation impactor according to claim 1 is characterized in that: each endoporus of described air curtain seat, described adapter tube (5), described coupon (6) and described drill bit (15) is communicated with successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206165151U CN201851054U (en) | 2010-11-18 | 2010-11-18 | Reverse circulation percussion hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206165151U CN201851054U (en) | 2010-11-18 | 2010-11-18 | Reverse circulation percussion hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851054U true CN201851054U (en) | 2011-06-01 |
Family
ID=44093453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206165151U Expired - Lifetime CN201851054U (en) | 2010-11-18 | 2010-11-18 | Reverse circulation percussion hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877978A (en) * | 2020-07-23 | 2020-11-03 | 重庆大学 | Hydraulic impactor |
| CN113389485A (en) * | 2021-07-30 | 2021-09-14 | 长沙黑金刚实业有限公司 | Reverse circulation impactor without inner cylinder |
-
2010
- 2010-11-18 CN CN2010206165151U patent/CN201851054U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877978A (en) * | 2020-07-23 | 2020-11-03 | 重庆大学 | Hydraulic impactor |
| CN111877978B (en) * | 2020-07-23 | 2022-03-29 | 重庆大学 | a hydraulic impactor |
| CN113389485A (en) * | 2021-07-30 | 2021-09-14 | 长沙黑金刚实业有限公司 | Reverse circulation impactor without inner cylinder |
| CN113389485B (en) * | 2021-07-30 | 2024-04-26 | 长沙黑金刚实业有限公司 | Internal cylinder-free reverse circulation impactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |