CN2762098Y - Steel ball impactor - Google Patents
Steel ball impactor Download PDFInfo
- Publication number
- CN2762098Y CN2762098Y CN 200520094913 CN200520094913U CN2762098Y CN 2762098 Y CN2762098 Y CN 2762098Y CN 200520094913 CN200520094913 CN 200520094913 CN 200520094913 U CN200520094913 U CN 200520094913U CN 2762098 Y CN2762098 Y CN 2762098Y
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- China
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- cavity
- communicated
- anvil
- steel ball
- outer tube
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Abstract
The utility model relates to an impactor, particularly to a steel ball impactor which is characterized in that the utility model comprises an upper joint (1), an outer pipe (2), a descending guide pipe (3), a rising guide pipe (4), an upper cap (5), a hammer anvil (6), a steel ball (7), a lower joint (8) and a special joint (9) for transferring torque, wherein cavity channels of the descending guide pipe (3) and the rising guide pipe (4) and U-shaped channels on the upper cap (5) and the hammer anvil (6) forms a circulation loop, and the steel ball (7) is positioned in the circulation loop; one end of an air inlet channel (11) is communicated with the cavity of the upper joint (1), and the other end of the air inlet channel (11) is communicated with the cavity channel of the descending guide pipe (3); one end of a vent hole (12) is communicated with the cavity channel of the rising guide pipe (4), and the other end of the vent hole (12) is communicated with an annular cavity; one end of an air outlet channel (13) is communicated with the annular cavity, and the other end of the air outlet channel (13) is communicated with a drill rod cavity at the lower part. The utility model can overlap impulsive work with high frequency and low energy at an ordinary drill bit to realize the rotary-percussive drilling and raise the drilling rate.
Description
Technical field
The utility model belongs to the probing field, is specifically related to a kind of knocker.
Background technology
As everyone knows, hard rock and solid rock generally show hard fragility, must adopt to surge or pneumatic dth hammer carries out impact rotating and creeps into the drilling effect that just can obtain.The impact energy of this class knocker is big, so must the special-purpose percussion bit of coupling.And in big investigation of geology and engineering investigation, run in a large number be soft-in hard rock stratum.In this rocks, the still wimet rotary drilling technology that generally adopts at present.Through the research of nearly half a century, further improving traditional wimet, to creep into the space of efficient more and more littler.Therefore, supporting high frequency, the low novel knocker of ballistic work are studied and developed to necessary proposition, so that increase substantially rate of penetration at " revolution percussion drilling " notion of soft-medium hard rock.
Summary of the invention
The purpose of this utility model is to provide a kind of steel ball knocker that is used for soft-medium hard rock revolution percussion drilling, its can superpose on ordinary rigid alloy or diamond head a high frequency, low-energy ballistic work.
To achieve these goals, the technical solution of the utility model is: the steel ball knocker, it is characterized in that: it comprises top connection 1, outer tube 2, decline conduit 3, riser duct 4, goes up the special joint 9 of cap 5, anvil 6, steel ball 7, lower sub 8, transmission moment of torsion, in top connection 1, the outer tube 2 is cavity, the upper end of outer tube 2 links to each other with the lower end of top connection 1, the upper end of top connection 1 links to each other with top rod, and the cavity of top connection 1 is communicated with the top rod chamber; Decline conduit 3, riser duct 4, last cap 5, anvil 6 is positioned at the cavity of top connection 1 and outer tube 2, decline conduit 3, in the riser duct 4 is cavity passage, its cavity passage footpath is corresponding with steel ball 7 diameters, the bottom of last cap 5, have U type passage on the upper end of anvil 6, U type passage internal diameter is corresponding with steel ball 7 diameters, the bottom cavity internal diameter of top connection 1 is corresponding with the external diameter of last cap 5, the upper end of last cap 5 is positioned at the bottom cavity of top connection 1, the top of the lower end part of last cap 5 in outer tube 2 cavitys, anvil 6 is positioned at the bottom of outer tube 2 cavitys, decline conduit 3, riser duct 4 lays respectively between the upper end of the bottom of cap 5 and anvil 6, decline conduit 3, the cavity passage of riser duct 4 and last cap 5, U type passage on the anvil 6 is formed a closed circuit, and steel ball 7 is arranged in closed circuit; Have inlet channel 11 on the side of last cap 5, the decline conduit 3, inlet channel 11 1 ends are communicated with the cavity of top connection 1, inlet channel 11 other ends are communicated with the cavity passage of decline conduit 3, and inlet channel 11 becomes 5-20 degree angle with the vertical direction of decline conduit 3; The outer wall of the bottom of last cap 5, decline conduit 3, riser duct 4, anvil 6 and the cavity inner wall of outer tube 2 form toroidal cavity, have vent port 12 on the riser duct 4, one end of vent port 12 is communicated with riser duct 4 cavity passage, the other end of vent port 12 is communicated with toroidal cavity, have outlet passageway 13 on the anvil 6, one end of outlet passageway 13 is communicated with toroidal cavity, and the other end of outlet passageway 13 is communicated with drilling rod chamber, bottom; The special joint 9 that transmits moment of torsion is equipped with by screwed connection in the upper end of the lower end of anvil 6 and lower sub 8 between lower sub 8 and outer tube 2.
Be provided with seal 10 between the bottom cavity inner wall of the upper end of last cap 5 and top connection 1, be provided with seal 10 between the cavity inner wall of the top of lower sub 8 and outer tube 2.
The utility model can on ordinary rigid alloy or diamond head, superpose a high frequency, low-energy ballistic work.Advantage of the present utility model: can be used for the revolution percussion drilling of soft rock and medium ground, obviously improve the rate of penetration in this rocks, owing to reduced the probability of core, improve core recovery simultaneously from card; Do not require and adopt special-purpose percussion bit, can adopt the common rotary bit of batch process to creep into, reduce cost; More simple in structure than traditional pneumatic knocker, good reliability, technical economical index height.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the A-A line cut-open view of Fig. 1
Among the figure: 1-top connection, 2-outer tube, 3-decline conduit, 4-riser duct, the last cap of 5-, 6-anvil, 7-steel ball, 8-lower sub, 9-special joint, 10-seal, 11-inlet channel, 12-vent port, 13-outlet passageway.
Embodiment
As shown in Figure 1 and Figure 2, the steel ball knocker, it comprises top connection 1, outer tube 2, decline conduit 3, riser duct 4, goes up special joint 9, the seal 10 of cap 5, anvil 6, steel ball 7, lower sub 8, transmission moment of torsion, top connection 1 and outer tube 2 are formed shell, in top connection 1, the outer tube 2 is cavity, the upper end of outer tube 2 links to each other with the lower end of top connection 1, and the upper end of top connection 1 links to each other with top rod, and the cavity of top connection 1 is communicated with the top rod chamber; Decline conduit 3, riser duct 4, last cap 5, anvil 6 is positioned at the cavity of top connection 1 and outer tube 2, decline conduit 3, in the riser duct 4 is cavity passage, its cavity passage footpath is corresponding with steel ball 7 diameters, the bottom of last cap 5, have U type passage on the upper end of anvil 6, U type passage internal diameter is corresponding with steel ball 7 diameters, the bottom cavity internal diameter of top connection 1 is corresponding with the external diameter of last cap 5, the upper end of last cap 5 is positioned at the bottom cavity of top connection 1, the top of the lower end part of last cap 5 in outer tube 2 cavitys, anvil 6 is positioned at the bottom of outer tube 2 cavitys, decline conduit 3, riser duct 4 lays respectively between the upper end of the bottom of cap 5 and anvil 6, decline conduit 3, the cavity passage of riser duct 4 and last cap 5, U type passage on the anvil 6 is formed a closed circuit, and steel ball 7 is arranged in closed circuit; Have inlet channel 11 on the side of last cap 5, the decline conduit 3, inlet channel 11 1 ends are communicated with the cavity of top connection 1, inlet channel 11 other ends are communicated with the cavity passage of decline conduit 3, and inlet channel 11 becomes 5-20 degree angle with the vertical direction of decline conduit 3; The outer wall of the bottom of last cap 5, decline conduit 3, riser duct 4, anvil 6 and the cavity inner wall of outer tube 2 form toroidal cavity, have vent port 12 on the riser duct 4, one end of vent port 12 is communicated with riser duct 4 cavity passage, the other end of vent port 12 is communicated with toroidal cavity, have outlet passageway 13 on the anvil 6, one end of outlet passageway 13 is communicated with toroidal cavity, and the other end of outlet passageway 13 communicates with the cavity of lower sub 8, and the cavity of lower sub 8 is communicated with drilling rod chamber, bottom; The upper end of the lower end of anvil 6 and lower sub 8 is by screwed connection, the special joint 9 that transmits moment of torsion is housed between lower sub 8 and outer tube 2, it can guarantee that beater mechanism (special joint 9, the seal 10 of decline conduit 3, riser duct 4, last cap 5, anvil 6, steel ball 7, lower sub 8, transmission moment of torsion) can have certain axial displacement with respect to shell (top connection 1 and outer tube 2) when drilling tool transmits moment of torsion.
Be provided with seal 10 between the bottom cavity inner wall of the upper end of last cap 5 and top connection 1, be provided with seal 10 between the cavity inner wall of the top of lower sub 8 and outer tube 2.
The utility model is in the following manner: enter decline conduit 3 through top connection 1 (cavity) by inlet channel 11 along drilling rod (not drawing among the figure) chamber from the pressurized air on the face of land, under air-flow effect with dynamic head, make steel ball 7 in anvil 6 passages along riser duct 4 to top offset, ordered about along closed circuit by air-flow and to rise always, when steel ball 7 rises to the position that is higher than vent port 12, most of pressurized air is drained into outer tube 2 and decline conduit 3 through vent port 12, in the toroidal cavity between the riser duct 4, because discharging steel ball 7, pressurized air will lose part kinetic energy, make near the energy of steel ball last cap 5 reduce, on steel ball passes through under the dump energy effect after cap 5 cambered surfaces, begin to enter decline conduit 3, when steel ball when decline conduit 3 moves downward, it is accelerated to maximal rate and clashes into anvil 6 downwards under the pressurized air stream effect that enters through inlet channel 11, and ordered about along closed circuit by air-flow and to rise the next circulation of beginning.Enter between outer tube 2 and decline conduit 3, the riser duct 4 pressurized air in the toroidal cavity by vent port 12 and enter drilling rod chamber, bottom through outlet passageway 13, lower sub 8 inner chambers and arrive subdrilling head place, hole always, the cooling drill bit, get rid of rock dust, realize normally creeping into.
Claims (2)
1. steel ball knocker, it is characterized in that: it comprises top connection (1), outer tube (2), decline conduit (3), riser duct (4), goes up the special joint (9) of cap (5), anvil (6), steel ball (7), lower sub (8), transmission moment of torsion, in top connection (1), the outer tube (2) is cavity, the upper end of outer tube (2) links to each other with the lower end of top connection (1), the upper end of top connection (1) links to each other with top rod, and the cavity of top connection (1) is communicated with the top rod chamber; Decline conduit (3), riser duct (4), last cap (5), anvil (6) is positioned at the cavity of top connection (1) and outer tube (2), decline conduit (3), in the riser duct (4) is cavity passage, its cavity passage footpath is corresponding with steel ball (7) diameter, the bottom of last cap (5), have U type passage on the upper end of anvil (6), U type passage internal diameter is corresponding with steel ball (7) diameter, the bottom cavity internal diameter of top connection (1) is corresponding with the external diameter of last cap (5), the upper end of last cap (5) is positioned at the bottom cavity of top connection (1), the top of the lower end part of last cap (5) in outer tube (2) cavity, anvil (6) is positioned at the bottom of outer tube (2) cavity, decline conduit (3), riser duct (4) lays respectively between the upper end of the bottom of cap (5) and anvil (6), decline conduit (3), the cavity passage of riser duct (4) and last cap (5), U type passage on the anvil (6) is formed a closed circuit, and steel ball (7) is arranged in closed circuit; Have inlet channel (11) on the side of last cap (5), the decline conduit (3), inlet channel (11) one ends are communicated with the cavity of top connection (1), inlet channel (11) other end is communicated with the cavity passage of decline conduit (3), and inlet channel (11) becomes 5-20 degree angle with the vertical direction of decline conduit (3); The outer wall of the bottom of last cap (5), decline conduit (3), riser duct (4), anvil (6) and the cavity inner wall of outer tube (2) form toroidal cavity, have vent port (12) on the riser duct (4), one end of vent port (12) is communicated with riser duct (4) cavity passage, the other end of vent port (12) is communicated with toroidal cavity, have outlet passageway (13) on the anvil (6), one end of outlet passageway (13) is communicated with toroidal cavity, and the other end of outlet passageway (13) is communicated with drilling rod chamber, bottom; The special joint (9) that transmits moment of torsion is equipped with by screwed connection in the upper end of the lower end of anvil (6) and lower sub (8) between lower sub (8) and outer tube (2).
2. steel ball knocker according to claim 1, it is characterized in that: upward be provided with seal (10) between the bottom cavity inner wall of the upper end of cap (5) and top connection (1), be provided with seal (10) between the cavity inner wall of the top of lower sub (8) and outer tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094913 CN2762098Y (en) | 2005-01-14 | 2005-01-14 | Steel ball impactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094913 CN2762098Y (en) | 2005-01-14 | 2005-01-14 | Steel ball impactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762098Y true CN2762098Y (en) | 2006-03-01 |
Family
ID=36095218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520094913 Expired - Fee Related CN2762098Y (en) | 2005-01-14 | 2005-01-14 | Steel ball impactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762098Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866037A (en) * | 2012-09-17 | 2013-01-09 | 中国地质大学（武汉） | Gas hydrate pressure-retaining sampler |
-
2005
- 2005-01-14 CN CN 200520094913 patent/CN2762098Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866037A (en) * | 2012-09-17 | 2013-01-09 | 中国地质大学（武汉） | Gas hydrate pressure-retaining sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060301 |