CN100406651C - Hydraulic pile-ramming hammer - Google Patents
Hydraulic pile-ramming hammer Download PDFInfo
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- CN100406651C CN100406651C CNB2006100572491A CN200610057249A CN100406651C CN 100406651 C CN100406651 C CN 100406651C CN B2006100572491 A CNB2006100572491 A CN B2006100572491A CN 200610057249 A CN200610057249 A CN 200610057249A CN 100406651 C CN100406651 C CN 100406651C
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Abstract
The present invention discloses a hydraulic pile rammer, which comprises an outer long cylinder (9), a hydraulic oil cylinder (2), an oil storage cylinder (7) and a rammer (14), wherein the rammer is arranged in the outer long cylinder. A first piston (4) is arranged in the hydraulic oil cylinder, a second piston is arranged in the oil storage cylinder, and the first piston and the second piston are connected by a piston rod (5). The present invention is characterized in that the hydraulic oil cylinder is arranged above the outer long cylinder, a jet oil cylinder (10) is arranged below the oil storage cylinder, the jet oil cylinder is communicated with the oil storage cylinder, and the cross section of the jet oil cylinder is smaller than that of the oil storage cylinder. Hydraulic oil is filled in a hollow cavity of a jet oil cylinder, which is communicated with the oil storage cylinder, a third piston (11) is arranged in the jet oil cylinder, and the third piston is connected with the rammer through a push rod (13). The present invention solves the problems of noise and waste gas pollution when a diesel engine piles in engineering construction, and simultaneously, increases the force of the rammer to hit prefabricated piles and increases piling efficiency.
Description
[technical field]
The present invention relates to a kind of improvement invention of construction project mechanical pile hammer, what be specifically related to is a kind of improvement invention of hydraulic pile hammer.
[background technology]
In the prior art, the construction of highrise building and soft foundation all must be driven piles, and pile works in the past all adopts the diesel oil jump bit, when capital construction is driven piles, because the noise of diesel oil jump bit and waste gas cause serious environmental to pollute, and are the problems that near resident, machine-operated school and construction team are extremely perplexed always.In order to address this problem; the inventor provides a kind of and can thoroughly effectively reduce noise and eliminate waste gas; the pile hammer of protection urban environment; this pile hammer has also been applied for national patent; its patent No. is ZL02158548.2; the technical scheme of this invention is such: " pile-driving hydraulic hammer is made it to impact stake in the pile crown upper punch by the interaction of hydraulic jack inner carrier and piston rod; the principal character of its structure is that hydraulic hammer has oil pressure cylinder; oil storage cylinder and piston rod hammer; long cylinder in being provided with in the described piston rod hammer; the oil-out of the oil-in of long cylinder and oil storage cylinder is connected in described; and the cross section of the section ratio oil storage cylinder cylinder body of oil storage cylinder oil-out is little; be equipped with piston in described oil storage cylinder and the oil pressure cylinder; the piston of described oil pressure cylinder and the piston of oil storage cylinder are critical and form interactive with same piston rod; hydraulic oil arrives interior long cylinder from the oil-out of oil storage cylinder with injecting type; thereby promote the motion of piston rod hammer; hydraulic hammer and external hydraulic power source and power supply are used during work, finish whole operations of hydraulic hammer piling." another kind of this invention improves, and is on the cylinder seat of oil storage cylinder foreign minister's cylinder to be set, and the piston rod hammer in interior long cylinder places this foreign minister's cylinder, can be finished the piling operation equally.The pile-driving hydraulic hammer of above-mentioned this structure, adopted the freely falling body principle, in theory, its piston rod hammer is very big to the hitting power of pile crown, but in the use of reality, owing to be subjected to the influence of various external factors, the piston rod hammer has only theoretic 60% to the hitting power of pile crown, for large-scale construction project, its hammer force can't reach actual needs.
[summary of the invention]
In view of hydraulic pile hammer of the prior art exists the little deficiency of pile crown hammering strength, the technical problem to be solved in the present invention provides a kind of hammer ram to the big hydraulic pile hammer of pile crown hammering strength.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme to finish: a kind of hydraulic pile hammer, include foreign minister's cylinder, hydraulic jack, oil storage cylinder and hammer ram, described hammer ram places in foreign minister's cylinder, be provided with first piston in the described hydraulic jack, in oil storage cylinder, be provided with second piston, described first piston is connected with piston rod with second piston, it is characterized in that described hydraulic jack is located at the top of foreign minister's cylinder, below oil storage cylinder, be provided with the injection oil cylinder, described injection oil cylinder is communicated with oil storage cylinder, and the cross section of the section ratio oil storage cylinder of injection oil cylinder is little, be full of hydraulic oil in described injection oil cylinder and the cavity that oil storage cylinder is communicated with, be provided with the 3rd piston in the described injection oil cylinder, described the 3rd piston is connected with hammer ram by push rod.
The present invention is provided with the injection oil cylinder below oil storage cylinder, and the cross section of the section ratio oil storage cylinder of injection oil cylinder is little, thereby the hydraulic jack above foreign minister's cylinder when action, hydraulic oil in the oil storage cylinder promotes the 3rd piston and promotes hammer ram in the mode of spraying, and makes hammer ram can reach the acceleration of minimum 3g in a short period of time, adds the gravity of hammer ram self, so, its hammer ram has very big impact force when the hammering preformed pile, reached to hit the requirement of pile monkey strength, and improved the efficient of piling.
In order to protect the preformed pile pile crown effectively not by the hammering fragmentation, be provided with the die head seat in the lower end of described foreign minister's cylinder, make the impact force of hammer ram be sent to preformed pile, protected the pile crown of preformed pile effectively.
[description of drawings]
Further describe the relevant details of the present invention in implementation process below more in conjunction with the accompanying drawings.
Fig. 1 is the structure chart of the embodiment of the invention one;
Fig. 2 is the structure chart of the embodiment of the invention two.
[specific embodiment]
With reference to Fig. 2, this hydraulic pile hammer, include foreign minister's cylinder 9, hydraulic jack 2, oil storage cylinder 7 and hammer ram 14, described hydraulic jack 2, oil storage cylinder 7 and hammer ram 14 all are located in foreign minister's cylinder 9, described foreign minister's cylinder 9 is taken over 9 by three joints and is coupled together by adpting flange 8, be provided with first piston 4 in the described hydraulic jack 2, this hydraulic jack 2 is connected the oil pump (not shown) by the first petroleum pipeline joint 3, in oil storage cylinder 7, be provided with second piston 6, described first piston 4 is connected with second piston, 6 usefulness piston rods 5, described hydraulic jack 2 is located at the top of foreign minister's cylinder 9, below oil storage cylinder 7, be provided with and spray oil cylinder 10, described injection oil cylinder 10 is communicated with oil storage cylinder 7, and the cross section of the section ratio oil storage cylinder 7 of injection oil cylinder 10 is little, be full of hydraulic oil in described injection oil cylinder 10 and the cavity that oil storage cylinder 7 is communicated with, thereby the hydraulic oil in the oil storage cylinder 7 is sprayed onto injection oil cylinder 10 in the mode of spraying, be provided with the 3rd piston 11 in the described injection oil cylinder 10, described the 3rd piston 11 is connected with hammer ram 14 by push rod 13, and described injection oil cylinder 10 is also connected the oil pump (not shown) by the second petroleum pipeline joint 12.At the top of foreign minister's cylinder 9 pulley 1 is installed, to make things convenient for the lifting of pile monkey; Be provided with die head seat 16 in the bottom of foreign minister's cylinder 9, be provided with cushion pad 15 on die head seat 16, described die head seat 16 is fixed on foreign minister's cylinder 9 by compacting ring 17, and the hammer force that is used for transmitting hammer ram 14 is to preformed pile, and the mounted head with the protection preformed pile prevents pile head breaking.
Another embodiment of the present invention is outside hydraulic jack 2, oil storage cylinder 7 and injection oil cylinder 10 are exposed to, just hammer ram 14 and the push rod 13 that is connected with hammer ram 14 are placed foreign minister's cylinder 9, other structure is identical with embodiments of the invention one, equally also can solve technical problem of the present invention.
When the present invention works, hydraulic oil is transported to through the second petroleum pipeline joint 12 by oil pump and sprays in the oil cylinder 10, and hammer ram 14 is risen by the 3rd piston 11, when hammer ram 14 rises, hydraulic oil in the oil storage cylinder 7 promotes second piston 6 and rises, drive first piston 4 simultaneously and rise, first piston 4 makes the hydraulic oil in the hydraulic jack 2 reflux by the first petroleum pipeline joint 3; When hammer ram 14 rises to the position of setting, hydraulic oil is transported in the hydraulic jack 2 by the first petroleum pipeline joint 3, and second piston 6 that promotes in the first piston 4 drive oil storage cylinders 7 is descending, because it is little that the section ratio of oil storage cylinder 7 sprays the cross section of oil cylinder 10, so, in the descending process of second piston 6, hydraulic oil in the oil storage cylinder 7 flows in the mode of spraying and sprays in the oil cylinder 10, promote to spray the 3rd piston 11, the three pistons 11 in the oil cylinder 10 and be stressed and drive push rod 13 and make hammer ram 14 descending and produce powerful pressure.In the present embodiment, the stroke that sprays oil cylinder 10 settings is 1.6 meters, the section area of its hydraulic jack 2 and oil storage cylinder 7 and injection oil cylinder 10 is all made by designing requirement, through calculating, this power that the 3rd piston 11 is promoted with spray regime is very big, can make hammer ram 14 reach the minimum acceleration of 3g that is, add the gravity of hammer ram 14 self, as seen, the hammer force of 14 pairs of preformed pile pile crowns of hammer ram is very big, therefore, also can ram a preformed pile underground soon, its piling speed is very fast, has improved the efficient of piling.
Claims (2)
1. hydraulic pile hammer, include foreign minister's cylinder (9), hydraulic jack (2), oil storage cylinder (7) and hammer ram (14), described hammer ram (14) places in foreign minister's cylinder (9), be provided with first piston (4) in the described hydraulic jack (2), in oil storage cylinder (7), be provided with second piston (6), described first piston (4) is connected with piston rod (5) with second piston (6), it is characterized in that described hydraulic jack (2) is located at the top of foreign minister's cylinder (9), be provided with injection oil cylinder (10) in the below of oil storage cylinder (7), described injection oil cylinder (10) is communicated with oil storage cylinder (7), and the cross section of the section ratio oil storage cylinder of injection oil cylinder (10) is little, be full of hydraulic oil in described injection oil cylinder (10) and the cavity that oil storage cylinder (7) is communicated with, be provided with the 3rd piston (11) in the described injection oil cylinder (10), described the 3rd piston (11) is connected with hammer ram (14) by push rod (13).
2. hydraulic pile hammer according to claim 1 is characterized in that the lower end of described foreign minister's cylinder (9) is provided with die head seat (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100572491A CN100406651C (en) | 2006-03-10 | 2006-03-10 | Hydraulic pile-ramming hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100572491A CN100406651C (en) | 2006-03-10 | 2006-03-10 | Hydraulic pile-ramming hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1814917A CN1814917A (en) | 2006-08-09 |
| CN100406651C true CN100406651C (en) | 2008-07-30 |
Family
ID=36907260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100572491A Expired - Fee Related CN100406651C (en) | 2006-03-10 | 2006-03-10 | Hydraulic pile-ramming hammer |
Country Status (1)
| Country | Link |
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| CN (1) | CN100406651C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761078B (en) * | 2009-12-28 | 2011-08-17 | 武汉华威建筑桩工机械有限责任公司 | Hydraulic pile hammer without ground hydraulic station |
| CN102086646B (en) * | 2010-12-23 | 2012-10-03 | 陈清贵 | Rammed pedestal pile back pressure device of immersed tube filling pile machine |
| NL2006017C2 (en) * | 2011-01-17 | 2012-07-18 | Ihc Holland Ie Bv | Pile driver system for and method of installing foundation elements in a subsea ground formation. |
| CN107620308A (en) * | 2017-10-24 | 2018-01-23 | 江苏巨威机械有限公司 | guide rod type hydraulic pile hammer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5379849A (en) * | 1991-04-10 | 1995-01-10 | Russell; James B. | Hydraulic ram assemblies |
| US5662175A (en) * | 1995-08-08 | 1997-09-02 | Vulcan Iron Works, Inc. | Sea water pile hammer |
| CN1389630A (en) * | 2002-07-22 | 2003-01-08 | 周荣珍 | Pile-driving hydraulic hammer |
| CN1419016A (en) * | 2002-12-26 | 2003-05-21 | 周荣珍 | Hydraulic hammer for piling construction |
| CN2597548Y (en) * | 2002-11-12 | 2004-01-07 | 王平 | Hydraulic pile hammer |
| CN2615200Y (en) * | 2003-01-15 | 2004-05-12 | 孙江帆 | Hydraulic pile hammer |
-
2006
- 2006-03-10 CN CNB2006100572491A patent/CN100406651C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5379849A (en) * | 1991-04-10 | 1995-01-10 | Russell; James B. | Hydraulic ram assemblies |
| US5662175A (en) * | 1995-08-08 | 1997-09-02 | Vulcan Iron Works, Inc. | Sea water pile hammer |
| CN1389630A (en) * | 2002-07-22 | 2003-01-08 | 周荣珍 | Pile-driving hydraulic hammer |
| CN2597548Y (en) * | 2002-11-12 | 2004-01-07 | 王平 | Hydraulic pile hammer |
| CN1419016A (en) * | 2002-12-26 | 2003-05-21 | 周荣珍 | Hydraulic hammer for piling construction |
| CN2615200Y (en) * | 2003-01-15 | 2004-05-12 | 孙江帆 | Hydraulic pile hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1814917A (en) | 2006-08-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20140310 |