CN102425385B - Combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism - Google Patents
Combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism Download PDFInfo
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- CN102425385B CN102425385B CN 201110420983 CN201110420983A CN102425385B CN 102425385 B CN102425385 B CN 102425385B CN 201110420983 CN201110420983 CN 201110420983 CN 201110420983 A CN201110420983 A CN 201110420983A CN 102425385 B CN102425385 B CN 102425385B
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Abstract
The invention discloses a combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism, which mainly comprises a right clamp plate, a left clamp plate, an upper drill rod, a lower drill rod, a wedge-shaped semiring, a locking pin, a hinge pin and a drill rod pin shaft, wherein the right clamp plate and the left clamp plate are connected through the hinge pin to form a hinge rotation pair, the upper drill rod and the lower drill rod are connected through the drill rod pin shaft, a flange groove of the upper drill rod and the lower drill rod is provided with the wedge-shaped semiring, the left clamp plate and the right clamp plate are wrapped with the wedge-shaped semiring, and a convex edge end of the drill rod pin shaft is positioned in a counter bore in the clamp plates. The invention replaces the traditional combined type DTH hammer adjunction type drill rod fixed connection mode, and reliable connection of the adjunction type drill rod can be realized in high-intensity vibration.
Description
Technical field
The invention belongs to combined type down-the-hole hammer hole technical field, particularly a kind of combined type down-the-hole hammer adjunction formula drilling rod mechanism that is connected replaces the conventional bolt type of attachment, can realize the reliable connection of adjunction formula drilling rod in high-intensity oscillation.
Background technology
In the reverse circulation drilling operation; during the supporting use of combined type down-the-hole hammer and adjunction formula drilling rod; combined type down-the-hole hammer not only needs continuous revolution but also need downward percussion drilling motion; adjunction formula drilling rod bears huge torque load and high-frequency percussion load; combined type down-the-hole hammer can become flexible with usually being connected of drilling rod; come off; traditional connected mode is that bolt adds bearing pin; this mode can not satisfy at deep hole; continuously; safe and reliable requirement in the vibration environment; adopt locknut to replace conventional nut at present; but still can not eliminate bury drills hidden danger; and frequently promote the connection situation of drill pipe inspection bolt, also greatly reduce operating efficiency.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of combined type down-the-hole hammer adjunction formula drilling rod mechanism that is connected, replace the conventional bolt type of attachment, in high-intensity oscillation, can realize the reliable connection of adjunction formula drilling rod.
The present invention is achieved by following technical solution.
The combined type down-the-hole of the present invention hammer adjunction formula drilling rod mechanism that is connected, mainly by right chuck, left side chuck, last drilling rod, following drilling rod, the wedge shape semi-ring, locking pin, pin and drilling rod bearing pin composition is hinged, right chuck is connected by the pin that is hinged with left chuck, form the hinge revolute pair, the outer convex edge of right chuck offers several locking pin-and-hole groups, corresponding with right chuck, chuck outer convex edge in a left side offers several locking pin-and-hole groups, the left side locking pin-and-hole group of the right side locking pin-and-hole group of right chuck and left chuck forms the dislocation pin-and-hole, have a pair of near conllinear in the axis of the axis of right locking pin-and-hole group and left side locking pin-and-hole group, locking pin is installed in this in the locking pin-and-hole, makes left chuck, right chuck forms a clamping rings; Last drilling rod is connected by the drilling rod bearing pin with following drilling rod, and upper and lower drilling rod flange groove is laid the wedge shape semi-ring, left chuck, right chuck outsourcing wedge shape semi-ring, and the convex edge end of drilling rod bearing pin is positioned at the counterbore on the chuck; The inside groove of described left chuck, right chuck is set to the pressure conical surface; The work plane of described wedge shape semi-ring is inclined working, and the angle of inclination is α, and the end face of two wedge shape semi-rings is fitted, and forms the conical ring of a fixed diameter, and the pressure conical surface of chuck inboard and the inclined working of wedge shape semi-ring are fitted.
Compared with prior art, the technique effect that the present invention reaches is: 1. the present invention adopts dislocation hole calibration principle to realize being connected of drilling rod with low-angle conical surface pressing method, replaced the conventional threads ways of connecting, in high-intensity oscillation, can realize the reliable connection of adjunction formula drilling rod, difficultly become flexible, come off; 2. the combination of different locking pin-and-hole and locking pin-and-hole among the present invention can change the distance between inclined working and the pressure conical surface, realizes that the plane is to the change of drilling rod extruding dynamics; 3. the counterbore on the left and right chuck of the present invention is used for the convex edge end of double team drilling rod bearing pin, prevents that the drilling rod bearing pin from coming off in vibrations.
Description of drawings
Fig. 1 is front view of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 is the front view of right chuck among the present invention;
Fig. 4 is the vertical view of right chuck among the present invention;
Fig. 5 is that the A-A of Fig. 3 is to sectional view;
Fig. 6 is the front view of wedge shape semi-ring among the present invention;
Fig. 7 is that the A-A of Fig. 6 is to sectional view.
Among the figure: the right chuck of 1-, 2-left side chuck, the last drilling rod of 3-, drilling rod under the 4-, 5-wedge shape semi-ring, 6-assists pretension bolt, 7-locking pin, the 8-pin that is hinged, 9-drilling rod bearing pin, the right locking of 10-pin-and-hole group, 11-left side locking pin-and-hole group, the 12-pressure conical surface, 13-inclined working, 14-end face, 15-plane, 16-counterbore.
The specific embodiment
Concrete structure of the present invention as depicted in figs. 1 and 2, the combined type down-the-hole of the present invention hammer adjunction formula drilling rod mechanism that is connected, mainly by right chuck 1, left side chuck 2, last drilling rod 3, following drilling rod 4, wedge shape semi-ring 5, locking pin 7, pin 8 and drilling rod bearing pin 9 compositions are hinged, right chuck 1 is connected by the pin 8 that is hinged with left chuck 2, form the hinge revolute pair, right chuck 1 outer convex edge offers several locking pin-and-hole groups 10, corresponding with right chuck 1, chuck 2 outer convex edges, a left side offer several locking pin-and-hole groups 10, the right side locking pin-and-hole group 10 of right chuck 1 forms the dislocation pin-and-hole with the left side locking pin-and-hole group 11 of left chuck 2, have a pair of near conllinear in the axis of the axis of right locking pin-and-hole group 10 and left side locking pin-and-hole group 11, locking pin 7 is installed in this in the locking pin-and-hole, makes left chuck 2, right chuck 1 forms a clamping rings; Last drilling rod 3 is connected by drilling rod bearing pin 9 with following drilling rod 4, and upper and lower drilling rod flange groove is laid wedge shape semi-ring 5, left chuck 2, right chuck 1 outsourcing wedge shape semi-ring 5, and the convex edge end of drilling rod bearing pin 9 is positioned at the counterbore 16 on the chuck; The clamping rings medial surface that described left chuck 2, right chuck 1 form is the pressure conical surface 12; The work plane of described wedge shape semi-ring 5 is inclined working 13, and the angle of inclination is α, and the end face 14 of two wedge shape semi-rings 5 is fitted, and forms the conical ring of a fixed diameter, and the pressure conical surface 12 of chuck inboard is fitted with the inclined working of wedge shape semi-ring 5 13.
The pretension of chuck about when auxiliary pretension bolt 6 is used for installing, installing locking pin 7 needs to dismantle afterwards auxiliary pretension bolt 6.
Claims (2)
1. the combined type down-the-hole hammer adjunction formula drilling rod mechanism that is connected is characterized in that: mainly by right chuck (1), left chuck (2), go up drilling rod (3), drilling rod (4), wedge shape semi-ring (5), locking pin (7), be hinged pin (8) and drilling rod bearing pin (9) are formed down;
-right chuck (1) is connected by the pin (8) that is hinged with left chuck (2), form the hinge revolute pair, the outer convex edge of right chuck (1) offers several right locking pin-and-hole groups (10), corresponding with right chuck (1), the outer convex edge of chuck (2), a left side offers several left side locking pin-and-hole groups (11), the right side locking pin-and-hole group (10) of right chuck (1) forms the dislocation pin-and-hole with the left side locking pin-and-hole group (11) of left chuck (2), have a pair of near conllinear in the axis of the axis of right locking pin-and-hole group (10) and left side locking pin-and-hole group (11), locking pin (7) is installed in this in the locking pin-and-hole, makes left chuck (2), right chuck (1) forms a clamping rings;
-go up drilling rod (3) to be connected by drilling rod bearing pin (9) with following drilling rod (4), last drilling rod (3), following drilling rod (4) flange groove are laid wedge shape semi-ring (5), left side chuck (2), right chuck (1) outsourcing wedge shape semi-ring (5), the convex edge end of drilling rod bearing pin (9) is positioned at the counterbore (16) on the chuck;
The inside groove of-described left chuck (2), right chuck (1) is set to the pressure conical surface (12);
The work plane of-described wedge shape semi-ring (5) is inclined working (13), the angle of inclination is α, the end face (14) of two wedge shape semi-rings (5) is fitted, and forms the conical ring of a fixed diameter, and the pressure conical surface (12) of chuck inboard is fitted with the inclined working (13) of wedge shape semi-ring (5).
2. a kind of combined type down-the-hole hammer adjunction formula drilling rod according to claim 1 mechanism that is connected is characterized in that: the pressure conical surface (12) of described left chuck (2), right chuck (1) inside groove pushes mutually with the inclined working (13) of wedge shape semi-ring and the plane (15) by the wedge shape semi-ring acts on the drilling rod flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110420983 CN102425385B (en) | 2011-12-15 | 2011-12-15 | Combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110420983 CN102425385B (en) | 2011-12-15 | 2011-12-15 | Combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102425385A CN102425385A (en) | 2012-04-25 |
| CN102425385B true CN102425385B (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110420983 Active CN102425385B (en) | 2011-12-15 | 2011-12-15 | Combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism |
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| Country | Link |
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| CN (1) | CN102425385B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3228881U (en) * | 2017-10-23 | 2020-11-19 | 塩城市錦瑞石油機械有限公司Ｙａｎｃｈｅｎｇ ｊｉｎｒｕｉ ｐｅｔｒｏｌｅｕｍ ｍａｃｈｉｎｅｒｙ ｃｏ．ＬＴＤ | Flexible oil drill pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3198555A (en) * | 1961-03-08 | 1965-08-03 | Johnson Woodruff Company | Pipe coupling with lug engaging rotatable collar |
| CN2194975Y (en) * | 1994-04-09 | 1995-04-19 | 王永典 | Geological drill rod coupling |
| CN2634096Y (en) * | 2003-06-15 | 2004-08-18 | 宝鸡石油机械有限责任公司 | Twist increasing device for drill joint |
| CN200985747Y (en) * | 2006-12-19 | 2007-12-05 | 李华斌 | Pyramid inserted type drill pipe joint |
| CN202493229U (en) * | 2011-12-15 | 2012-10-17 | 贵州航天天马机电科技有限公司 | Combined type down-the-hole hammer junction type drill rod fixation and connection mechanism |
-
2011
- 2011-12-15 CN CN 201110420983 patent/CN102425385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3198555A (en) * | 1961-03-08 | 1965-08-03 | Johnson Woodruff Company | Pipe coupling with lug engaging rotatable collar |
| CN2194975Y (en) * | 1994-04-09 | 1995-04-19 | 王永典 | Geological drill rod coupling |
| CN2634096Y (en) * | 2003-06-15 | 2004-08-18 | 宝鸡石油机械有限责任公司 | Twist increasing device for drill joint |
| CN200985747Y (en) * | 2006-12-19 | 2007-12-05 | 李华斌 | Pyramid inserted type drill pipe joint |
| CN202493229U (en) * | 2011-12-15 | 2012-10-17 | 贵州航天天马机电科技有限公司 | Combined type down-the-hole hammer junction type drill rod fixation and connection mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102425385A (en) | 2012-04-25 |
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