CN201273136Y - Drill-elevating back-flushing apparatus - Google Patents
Drill-elevating back-flushing apparatus Download PDFInfo
- Publication number
- CN201273136Y CN201273136Y CNU2008200543652U CN200820054365U CN201273136Y CN 201273136 Y CN201273136 Y CN 201273136Y CN U2008200543652 U CNU2008200543652 U CN U2008200543652U CN 200820054365 U CN200820054365 U CN 200820054365U CN 201273136 Y CN201273136 Y CN 201273136Y
- Authority
- CN
- China
- Prior art keywords
- blowback
- extension bar
- connecting rod
- adapter sleeve
- slag device
- 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 drilling pipe lifting slag blowback device, wherein the tail end of a blowback upper connecting rod is connected with a blowback connecting sleeve; a positioning clasp is provided inside the blowback upper connecting rod and near the top end of the blowback connecting sleeve, correspondingly to an arc groove on the blowback lower connecting rod; the blowback lower connecting rod is plugged in a center hole of the blowback upper connecting rod and is connected with the blowback connecting sleeve; the side wall of the top end of the blowback lower connecting rod is provided with an air inlet; the side wall of the blowback upper connecting rod is provided with an air outlet corresponding to the air inlet; the positioning clasp is composed of two semi-spherical positioning clasps; the blowback lower connecting rod is connected with the blowback connecting sleeve via spline; and the blowback upper connecting rod is connected with the blowback connecting sleeve via screws. The drilling pipe lifting slag blowback device has the advantages of simple structure, simple use, long service life, high safety, high reliability, and the ability for drilling anchorage cable holes in the rock of much fracture without hole collapse. The drilling pipe lifting slag blowback device is suitable for high wind pressure downhole drilling tools.
Description
Technical field
The utility model relates to a kind of carrying and bores blowback slag device, and refering in particular to is a kind ofly to be exclusively used in carrying of high blast rig boring and to bore blowback slag device.
Background technology
Carrying and boring blowback slag device is high blast down-the-hole drilling tool attachment means, mainly be to put forward the not smooth problem of rock dust deslagging that causes of boring when the fractured rock bore operation repeatedly in order to solve, existing drilling tool is when beating the anchor cable hole, commonly used is that drilling rod passes through the method that taper thread directly connects the down-the-hole air hammer pore-forming, in more serious rock stratum, crack, beat the anchor cable hole when adopting this method, because the crack is more serious, hole wall subsides easily, often cause bit freezing, make the down-the-hole air hammer can't operate as normal, in actual use, bring many inconvenience to the operator.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art and provides a kind of a kind of carrying simple in structure, easy to use, that hole wall did not subside when the anchor cable hole was beaten in more serious rock stratum in the crack to bore blowback slag device.
The utility model is achieved by following technical proposals:
A kind of carrying bored blowback slag device, the extension bar tail end is connected with the blowback adapter sleeve in blowback, in the described blowback in the extension bar near blowback adapter sleeve top be provided with blowback under the corresponding location snap ring of arc groove on the extension bar, extension bar is inserted in the centre bore of extension bar in the described blowback and the middle part is connected with the blowback adapter sleeve, the top sidewall is provided with air inlet under the described blowback, and the extension bar sidewall is provided with and the corresponding steam vent of described air inlet in the described blowback.
In the utility model, described location snap ring is made up of two semi-circular location snap rings.Extension bar and described blowback adapter sleeve pass through splined under the described blowback.Extension bar and described blowback adapter sleeve pass through thread connection in the described blowback.Extension bar is provided with the interface of corresponding connection with drilling rod in the described blowback.Under the described blowback extension bar be provided with can corresponding connection with down-the-hole air hammer interface.
Owing to adopt above-mentioned scheme, under the blowback extension bar and blowback adapter sleeve by spline be connected, extension bar and the mode of blowback adapter sleeve in the blowback by being threaded, can imitate and avoid the phenomenon that connector damages easily in the ballistic motion, in addition, when the impactor operate as normal, the location snap ring of two semicircles is under the condition attitude that does not stress all the time, just carry bear when boring down-the-hole air hammer downward from gravity, the part long service life, safe and reliable.
In sum, described utility model---a kind of carrying bored blowback slag device and had simple in structure, easy to use, long service life, safe and reliable, hole wall advantage such as do not subside when the anchor cable hole is beaten in more serious rock stratum in the crack, can be adapted to high blast down-the-hole drilling tool.
Description of drawings
Fig. 1 bores blowback slag apparatus structure schematic diagram for carrying.
State when Fig. 2 bores the work of blowback slag device for carrying.
State when Fig. 3 does not work for carrying brill blowback slag device.
In the accompanying drawing 1,2,3, extension bar, 2----air inlet, 3----steam vent, 4----locate extension bar, 7----drilling rod, 8----down-the-hole air hammer, 9----arc groove under snap ring, 5----blowback adapter sleeve, the 6----blowback in the 1----blowback.
The specific embodiment
Below in conjunction with accompanying drawing, describe in detail and put forward the specific embodiment of boring blowback slag device.
As shown in Figure 1, 2, 3, a kind of carrying bored blowback slag device, extension bar 1 tail end is connected with blowback adapter sleeve 5 in blowback, in the described blowback in the extension bar 1 near blowback adapter sleeve 5 tops be provided with blowback under the corresponding location snap ring 4 of arc groove 9 on the extension bar 6, extension bar 6 is inserted in the centre bore of extension bar 1 in the described blowback and the middle part is connected with blowback adapter sleeve 5, the top sidewall is provided with air inlet 2 under the described blowback, and extension bar 1 sidewall is provided with and described air inlet 2 corresponding steam vents 3 in the described blowback.
In the utility model, described location snap ring 4 is made up of two semi-circular location snap rings.Extension bar 6 passes through splined with described blowback adapter sleeve 5 under the described blowback.Extension bar 1 passes through thread connection with described blowback adapter sleeve 5 in the described blowback.Extension bar 1 is provided with the interface with drilling rod 7 corresponding connections in the described blowback.Extension bar 6 is provided with the interface with down-the-hole air hammer 8 corresponding connections under the described blowback.
Under the blowback extension bar 6 and blowback adapter sleeve 5 by spline be connected, extension bar 1 and the mode of blowback adapter sleeve 5 in the blowback by being threaded, can imitate and avoid the phenomenon that connector damages easily in the ballistic motion, in addition, when the impactor operate as normal, the location snap ring 4 that connects two semicircles of extension bar 6 under blowback adapter sleeve 5 and the blowback is under the condition attitude that does not stress all the time, just carry bear when boring down-the-hole air hammer 8 downward from gravity, the part long service life, safe and reliable.
Operating principle of the present utility model is as follows:
As shown in Figure 3, when down-the-hole air hammer 8 operate as normal, the steam vent 3 of extension bar 1 outer wall is in closed state in the blowback, and the centre bore of the gases at high pressure that drilling rod 7 provides by extension bar in the blowback in this device 1 flows to the centre bore of extension bar 6 under the blowback directly to down-the-hole air hammer 8 air feeds by the air inlet 2 of extension bar under the blowback 6.
As shown in Figure 2, in the time of at the bottom of down-the-hole air hammer 8 proposes the hole, the down-the-hole air hammer 8 that extension bar 6 is connecting under the blowback the deadweight effect under along spline to lower slider, owing to the arc groove on the extension bar under the blowback 69 snap ring 4 that is positioned blocks and stops to lower slider, the air inlet 2 of extension bar 6 is in closed state under blowback this moment, gases at high pressure can't enter down-the-hole air hammer 8, meanwhile, the steam vent 3 of extension bar 1 outer wall is communicated with extension bar 1 inner chamber in the blowback in the blowback, gases at high pressure blow to hole wall by the steam vent 3 of extension bar in the blowback 1, make the high-pressure blast that provides from drilling rod 7 all be used for the slag that blows of hole wall, can rapidly the rock slag that drops because of the hole of collapsing be blown out outside the hole.
Claims (6)
1, a kind of carrying bored blowback slag device, it is characterized in that:
Extension bar in blowback (1) tail end is connected with blowback adapter sleeve (5), in the extension bar in the described blowback (1) near blowback adapter sleeve (5) top be provided with blowback under extension bar (6) go up the corresponding location snap ring (4) of arc groove (9), extension bar under the described blowback (6) is inserted in the centre bore of extension bar in the described blowback (1) and the middle part is connected with described blowback adapter sleeve (5), the top sidewall is provided with air inlet (2), and extension bar in the described blowback (1) sidewall is provided with and the corresponding steam vent of described air inlet (2) (3).
2, according to claim 1 carrying bored blowback slag device, and it is characterized in that: described location snap ring (4) is made up of two semi-circular location snap rings.
3, according to claim 1 and 2 carrying bored blowback slag device, and it is characterized in that: extension bar under the described blowback (6) passes through splined with described blowback adapter sleeve (5).
4, according to claim 3 carrying bored blowback slag device, and it is characterized in that: extension bar in the described blowback (1) passes through thread connection with described blowback adapter sleeve (5).
5, according to claim 4 carrying bored blowback slag device, and it is characterized in that: extension bar in the described blowback (1) is provided with the interface with the corresponding connection of drilling rod (7).
6, according to claim 5 carrying bored blowback slag device, and it is characterized in that: extension bar under the described blowback (6) is provided with the interface with the corresponding connection of down-the-hole air hammer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200543652U CN201273136Y (en) | 2008-09-04 | 2008-09-04 | Drill-elevating back-flushing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200543652U CN201273136Y (en) | 2008-09-04 | 2008-09-04 | Drill-elevating back-flushing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273136Y true CN201273136Y (en) | 2009-07-15 |
Family
ID=40883484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200543652U Expired - Lifetime CN201273136Y (en) | 2008-09-04 | 2008-09-04 | Drill-elevating back-flushing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273136Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949262A (en) * | 2010-10-15 | 2011-01-19 | 中国水利水电第七工程局成都水电工程建设有限公司 | Combined drilling device |
| CN102230357A (en) * | 2011-05-31 | 2011-11-02 | 中冶集团武汉勘察研究院有限公司 | Method for forming ultra-deep anchor hole in loose accumulation body and breakage rock layer |
-
2008
- 2008-09-04 CN CNU2008200543652U patent/CN201273136Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949262A (en) * | 2010-10-15 | 2011-01-19 | 中国水利水电第七工程局成都水电工程建设有限公司 | Combined drilling device |
| CN102230357A (en) * | 2011-05-31 | 2011-11-02 | 中冶集团武汉勘察研究院有限公司 | Method for forming ultra-deep anchor hole in loose accumulation body and breakage rock layer |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090715 |