CN102031779A - Dual-guide internal cooling diesel pile hammer - Google Patents
Dual-guide internal cooling diesel pile hammer Download PDFInfo
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- CN102031779A CN102031779A CN 201010548700 CN201010548700A CN102031779A CN 102031779 A CN102031779 A CN 102031779A CN 201010548700 CN201010548700 CN 201010548700 CN 201010548700 A CN201010548700 A CN 201010548700A CN 102031779 A CN102031779 A CN 102031779A
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- piston
- cylinder sleeve
- guide
- pile hammer
- sleeve
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Abstract
The invention discloses a dual-guide internal cooling diesel pile hammer. The dual-guide internal cooling diesel pile hammer is characterized in that an upper seat and a lower seat are connected by a guide column; the peripheral surface of a cylinder sleeve is provided with a sliding guide sleeve; the sliding guide sleeve is matched with the guide column in a sliding manner; the lower end of the cylinder sleeve is connected with an annular guide sleeve which is provided with an exhaust passage; the upper end of a piston extends into the cylinder sleeve; and the piston is matched with the inner peripheral surface of the cylinder sleeve and the inner peripheral surface of the annular guide sleeve in a sliding and sealing manner. A guide mechanism of the dual-guide internal cooling diesel pile hammer consists of two parts, namely, the sliding guide formed by the sliding guide sleeve and the guide column and the sliding guide formed by the annular guide sleeve and the piston; when an inclined pile is hammered, a guide part bearing the heavy side force of the hammer is arranged outside the cylinder sleeve instead of inside the cylinder sleeve, and the inclined pile hammering capability is stronger; an air outlet of an air collecting cover can perform forced cooling on a high-temperature area in the cylinder sleeve, therefore, the pile hammer with large diameter, low height and large tonnage is easily designed on structure; and when the pile hammer is used for hammering, the cylinder sleeve and the piston do not impact, the hammering force is soft, and the pile head is not easily broken.
Description
Technical field
A kind of pile hammer of the present invention, particularly a kind of diesel pile hammer.
Background technology
Diesel pile hammer at present commonly used mainly contains two kinds of guide colume type diesel pile hammer and tubular diesel pile hammers, and these two kinds of diesel pile hammers all have pluses and minuses separately.
The cylinder sleeve piston of guide colume type diesel pile hammer is more durable, and piston does not have bump when impacting, and hitting power is soft, and parts such as cylinder sleeve piston are not fragile; Employing outer guiding post guiding is born side-thrust by outer guiding post, and guide is convenient to lubricate, adjusts and is repaired to guiding parts in the cylinder sleeve outside; Piston and cylinder sleeve can break away from when work, can improve air change rate, make things convenient for the heat radiation of parts such as piston, piston ring, cylinder sleeve; Be easy to make the big hammer of diameter stroke ratio on the guide colume type diesel pile hammer structure, the height overall that can the reduce pile hammer long stake of can conveniently sounding the night watches.But this guide colume type diesel pile hammer piston and cylinder sleeve in the piling process easily break away from, and piston ring has impact when entering cylinder sleeve, easily impact and hang up, and below particularly ring fell within when batter piling, piston ring is easier to be struck off; Piston, base in the piling process, the guide pillar frame all can consume hitting power, and it is heavy so just to be equivalent to increase stake, makes action time of effective impact force of pile hammer elongated, and the impact force amplitude descends; Connect piston and frame and hit together when impacting, vibration is big, the rapid wear parts.
Tubular diesel pile hammer lower piston in piling can bump, but only lower piston is impacted, so impact force is bigger, and particularly the batter piling ability is stronger.But this tubular diesel pile hammer impacts roughly fragile piston crown up and down at large throttle or when slipping; Scavenge port makes the piston ring scuffing inequality, hangs up easily; Air intake-exhaust adopts same gas port, the ventilation imperfection; Last lower piston is vexed all the time in cylinder sleeve, it is insufficient to take a breath, it is ordinary affair that special marine guidance piling impacts 2,000 hammers continuously, and the time of cooling off in the piling circulation is shorter, makes the piston of guiding parts and cylinder sleeve be in for a long time under the hot environment, makes guiding parts performance reduction at high temperature, lubricating condition variation, piston head up and down, cylinder sleeve, piston easily damage under hot environment, and shortened the application life of pile hammer.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention provides a kind of diesel pile hammer with inside and outside dual-guiding structure.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Cold diesel pile hammer in a kind of two leading, it comprises: frame, described frame comprise the seat of honour, following, connect by guide pillar between the described seat of honour, following; Cylinder sleeve, described cylinder sleeve outer peripheral face is provided with the slide-and-guide cover, and described slide-and-guide cover is slidingly matched with described guide pillar, and the lower end of described cylinder sleeve is connected with a ring fairlead, and described ring fairlead is provided with exhaust duct; Piston, the lower end of described piston forms the tup of pile hammer, the upper end of described piston is passed described ring fairlead and is stretched in the described cylinder sleeve, described piston cooperates with the inner peripheral surface of described cylinder sleeve, the inner peripheral surface slipper seal of ring fairlead, the upper end of described piston is provided with fuel injector, described fuel injector is connected with the fuel oil high-pressure oil pipe, and described piston is connected with described frame.
Preferably, described ring fairlead is provided with the cover of collecting folk songs, and the position of the described cover of collecting folk songs is corresponding with the position of described exhaust duct.
Preferably, the air intake of the described cover of collecting folk songs is greater than the air outlet of the described cover of collecting folk songs.
Preferably, be provided with a cavity in the described piston.
Preferably, the top of described cylinder sleeve is provided with a hanger.
Preferably, the upper end of described piston also is provided with oilhole, and an end opening of described oilhole is positioned on the outer peripheral face of described piston.
Preferably, the upper end outer peripheral face of described piston is provided with piston ring.
Technique scheme has following beneficial effect: slide-and-guide two parts that the slide-and-guide that the guiding mechanism of cold diesel pile hammer was made up of slide-and-guide cover and guide pillar in this pair led, ring fairlead and piston are formed are formed, form inside and outside two guiding, the guiding parts that bears hammer heavy side power like this when batter piling not in cylinder sleeve and externally, therefore can not influence moving up and down of cylinder sleeve, so its batter piling ability is stronger; Cooling is forced to the high-temperature region in the cylinder sleeve in the collect folk songs gas outlet of cover of utilization, and the scavenging efficiency in the pile hammer is improved, and makes the cooling of cylinder sleeve and piston more abundant, therefore structurally easily designs major diameter, low clearance, large-tonnage pile hammer; Cold diesel pile hammer piston when impacting did not have bump in this pair led, and parts such as cylinder sleeve piston are not fragile; The cylinder sleeve piston can not clash into, and hitting power is soft, so pile crown is difficult broken, can give full play to its advantage when carrying out the piling of large-scale pile tube at sea.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of manual, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the vertical view of the embodiment of the invention.
Fig. 3 is that the A-A of Fig. 1 is to sectional view.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail.
As shown in Figure 1, 2, 3, cold diesel pile hammer comprised frame, cylinder sleeve 12 and piston 2 in this pair led.Frame comprises the seat of honour 14 and following 4, the seat of honour 14 with following 4 between be connected by four guide pillars 5.The outer peripheral face of cylinder sleeve 12 be provided with 11, four slide-and-guides covers 11 of four slide-and-guides cover respectively with four guide pillar 5 sliding connections, cylinder sleeve 12 can slide up and down along guide pillar 5.The lower end of cylinder sleeve 12 is connected with a ring fairlead 6, uniform eight the axial exhaust ducts 7 of internal circumferential at ring fairlead 6, it is corresponding with the position of eight exhaust ducts 7 that ring also is provided with the collect folk songs position of cover 8 of eight 8, eight on covers of collecting folk songs on the fairlead, collects folk songs and cover 8 air intake greater than air outlet.Be provided with a hanger 13 at the top of cylinder sleeve 12.
Following 4 of piston 2 and frame is connected, piston 2 is provided with a cavity 17, the lower end of piston 2 forms the tup of pile hammer, the upper end of piston 2 is passed ring fairlead 6 and is extend in the cylinder sleeve 12, the upper end of piston 2 is provided with seven piston rings 10, comprising six sealing gland rings and an oil seal ring, cooperate with the inner peripheral surface of cylinder sleeve 12, the inner peripheral surface slipper seal of ring fairlead 6 by above-mentioned piston ring 10 pistons 2.Lubricated for convenience, the upper end of piston 2 also is provided with two oilholes 15, and an end opening of oilhole 15 is positioned on the outer peripheral face of piston.The lower end of piston 2 is provided with a lubrication oil pore 3, lubrication oil pore 3 is communicated with cavity 17, the lubrication oil oil pipe is connected with oilhole 15 by this lubrication oil pore 3, cavity 17, and lubrication oil flow to through oilhole 15 on the outer peripheral face of piston piston is lubricated.Also be provided with an oil injector hole 9 in the upper end of piston 2, oil injector hole 9 is used to install fuel injector, also be provided with a fuel oil hydraulic oil pore 1 in the lower end of piston 2, fuel oil hydraulic oil pore 1 is communicated with cavity 17, the fuel oil high-pressure oil pipe is connected with fuel injector by this fuel oil hydraulic oil pore 1, cavity 17, to the fuel injector fuel feeding.
Cold diesel pile hammer can be connected the seat of honour 14 in use in this pair led with sash weight coaster 16, and sash weight coaster 16 can drag this pair and lead interior cold diesel pile hammer and move around.When playing hammer, catch on hanger 13 by suspension hook and mention cylinder sleeve 12, when piston 2 broke away from cylinder sleeve 12, air was entered into the inner chamber of cylinder sleeve 12 by the wind collecting port of the cover 8 of collecting folk songs.When cylinder sleeve 12 reach a certain height, suspension hook unhook cylinder sleeve 12 is descending, when piston 2 inserts cylinder sleeve 12, cover 8 the wind collecting port of collecting folk songs is closed, cylinder sleeve 12 continues the gas in descending compression cylinder sleeve 12 inner chambers, and when cylinder sleeve 12 during near the top of piston 2, fuel injector sprays into fuel oil, the fuel oil explosive combustion is impacted piston 2 downwards and is produced hammer force, makes tup impact pile tube downwards.It is up that the impulse force that produces promotes cylinder sleeve 12 simultaneously, when cylinder sleeve 12 breaks away from piston 2, in cylinder sleeve 12 inner chambers residual gas by exhaust duct 7 to going out, form negative pressure in the inner chamber of cylinder sleeve 12 at this moment, air enters by cover 8 the wind collecting port of collecting folk songs in the inner chamber of cylinder sleeve 12 cylinder sleeve 12 and piston 2 is cooled off, begin descendingly when cylinder sleeve 12 arrives tops under action of gravity again, pile hammer enters into next impact cycle.
Slide-and-guide two parts that the slide-and-guide that the guiding mechanism of cold diesel pile hammer was made up of slide-and-guide cover 11 and guide pillar 5 in this pair led, ring fairlead 6 and piston 2 are formed are formed, form inside and outside two guiding, the guiding parts that bears hammer heavy side power like this when batter piling is not inner and externally at cylinder sleeve 12, therefore can not have influence on moving up and down of cylinder sleeve 12, so cold diesel pile hammer batter piling ability is stronger in this two the leading, and each guiding parts is not fragile yet.
Cold diesel pile hammer cylinder sleeve 12 when impacting moved up and down in this pair led, and piston 2 does not move, so piston 2 nothing bumps, and its hitting power is softer, and the pile crown of pile tube is difficult for broken.And adopt this in the piling process cylinder sleeve 12 can not clash into piston 2, so parts such as cylinder sleeve, piston are not fragile, therefore the application life of this pile hammer is longer, the seat of honour 14 on the frame can avoid cylinder sleeve 12 to go out guide pillar 5 in uphill process, so this pile hammer uses also safety very.
More than cold diesel pile hammer in the embodiment of the invention provided two the leading is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (7)
1. lead interior cold diesel pile hammer for one kind pair, it is characterized in that it comprises:
Frame, described frame comprise the seat of honour, following, connect by guide pillar between the described seat of honour, following;
Cylinder sleeve, described cylinder sleeve outer peripheral face is provided with the slide-and-guide cover, and described slide-and-guide cover is slidingly matched with described guide pillar, and the lower end of described cylinder sleeve is connected with a ring fairlead, and described ring fairlead is provided with exhaust duct;
Piston, the lower end of described piston forms the tup of pile hammer, the upper end of described piston is passed described ring fairlead and is stretched in the described cylinder sleeve, described piston cooperates with the inner peripheral surface of described cylinder sleeve, the inner peripheral surface slipper seal of ring fairlead, the upper end of described piston is provided with fuel injector, described fuel injector is connected with the fuel oil high-pressure oil pipe, and described piston is connected with described frame.
2. cold diesel pile hammer in two the leading according to claim 1, it is characterized in that: described ring fairlead is provided with the cover of collecting folk songs, and the position of the described cover of collecting folk songs is corresponding with the position of described exhaust duct.
3. cold diesel pile hammer in two the leading according to claim 2 is characterized in that: the air intake of the described cover of collecting folk songs is greater than the air outlet of the described cover of collecting folk songs.
4. cold diesel pile hammer in two the leading according to claim 1 is characterized in that: be provided with a cavity in the described piston.
5. cold diesel pile hammer in two the leading according to claim 1, it is characterized in that: the top of described cylinder sleeve is provided with a hanger.
6. cold diesel pile hammer in two the leading according to claim 1, it is characterized in that: the upper end of described piston also is provided with oilhole, and an end opening of described oilhole is positioned on the outer peripheral face of described piston.
7. cold diesel pile hammer in two the leading according to claim 1, it is characterized in that: the upper end outer peripheral face of described piston is provided with piston ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105487006A CN102031779B (en) | 2010-11-16 | 2010-11-16 | Dual-guide internal cooling diesel pile hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105487006A CN102031779B (en) | 2010-11-16 | 2010-11-16 | Dual-guide internal cooling diesel pile hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102031779A true CN102031779A (en) | 2011-04-27 |
| CN102031779B CN102031779B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105487006A Expired - Fee Related CN102031779B (en) | 2010-11-16 | 2010-11-16 | Dual-guide internal cooling diesel pile hammer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950785A (en) * | 2011-08-17 | 2013-03-06 | 丁健 | Double-guidance piston rod set |
| CN104179180A (en) * | 2014-08-22 | 2014-12-03 | 江苏巨威机械有限公司 | Integrated lower cylinder with ribbed water chamber and tubular diesel pile hammer with same |
| CN104947667A (en) * | 2014-03-28 | 2015-09-30 | 德尔马格有限责任两合公司 | Pile hammer |
| CN105401579A (en) * | 2014-09-10 | 2016-03-16 | 德尔马格有限责任两合公司 | Pile hammer |
| CN114059539A (en) * | 2021-12-27 | 2022-02-18 | 湖北航天化学技术研究所 | Piling device with self-contained solid fuel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU450871A1 (en) * | 1971-12-28 | 1974-11-25 | Днепропетровский инженерно-строительный институт | Diesel hammer |
| SU1004534A2 (en) * | 1976-04-01 | 1983-03-15 | Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения | Pile-driving diesel hammer |
| CN2030211U (en) * | 1988-05-13 | 1989-01-04 | 顾志刚 | Hydraulic hammer-apparatus |
| US20020139550A1 (en) * | 2001-03-29 | 2002-10-03 | Stefan Mewes | Diesel pile hammer |
| CN2639359Y (en) * | 2003-09-10 | 2004-09-08 | 上海工程机械厂有限公司 | Guide plate fixed by double-arranged of cylinder diesel pile hammer |
| CN201865108U (en) * | 2010-11-16 | 2011-06-15 | 上海申启星海洋工程有限公司 | Dual-guiding internal-cooling diesel oil piling hammer |
-
2010
- 2010-11-16 CN CN2010105487006A patent/CN102031779B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU450871A1 (en) * | 1971-12-28 | 1974-11-25 | Днепропетровский инженерно-строительный институт | Diesel hammer |
| SU1004534A2 (en) * | 1976-04-01 | 1983-03-15 | Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения | Pile-driving diesel hammer |
| CN2030211U (en) * | 1988-05-13 | 1989-01-04 | 顾志刚 | Hydraulic hammer-apparatus |
| US20020139550A1 (en) * | 2001-03-29 | 2002-10-03 | Stefan Mewes | Diesel pile hammer |
| CN2639359Y (en) * | 2003-09-10 | 2004-09-08 | 上海工程机械厂有限公司 | Guide plate fixed by double-arranged of cylinder diesel pile hammer |
| CN201865108U (en) * | 2010-11-16 | 2011-06-15 | 上海申启星海洋工程有限公司 | Dual-guiding internal-cooling diesel oil piling hammer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950785A (en) * | 2011-08-17 | 2013-03-06 | 丁健 | Double-guidance piston rod set |
| CN104947667A (en) * | 2014-03-28 | 2015-09-30 | 德尔马格有限责任两合公司 | Pile hammer |
| CN104179180A (en) * | 2014-08-22 | 2014-12-03 | 江苏巨威机械有限公司 | Integrated lower cylinder with ribbed water chamber and tubular diesel pile hammer with same |
| CN105401579A (en) * | 2014-09-10 | 2016-03-16 | 德尔马格有限责任两合公司 | Pile hammer |
| CN105401579B (en) * | 2014-09-10 | 2019-06-07 | 德尔马格有限责任两合公司 | Percussion hammer |
| CN114059539A (en) * | 2021-12-27 | 2022-02-18 | 湖北航天化学技术研究所 | Piling device with self-contained solid fuel |
| CN114059539B (en) * | 2021-12-27 | 2023-06-09 | 湖北航天化学技术研究所 | Pile driving device with self-contained solid fuel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102031779B (en) | 2012-07-25 |
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