CN1030953A - With the liquid gun propellant is the pile driver of power - Google Patents
With the liquid gun propellant is the pile driver of power Download PDFInfo
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- CN1030953A CN1030953A CN 87105697 CN87105697A CN1030953A CN 1030953 A CN1030953 A CN 1030953A CN 87105697 CN87105697 CN 87105697 CN 87105697 A CN87105697 A CN 87105697A CN 1030953 A CN1030953 A CN 1030953A
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- liquid
- pile driver
- stake
- gun propellant
- propellant
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the invention of pile driver, is a kind of with the pile driver of liquid gun propellant as the power source of piling.This pile driver has that energy is big, piling efficient height, characteristics applied widely, easy to use, and the stake good directionality that it is beaten has the advantage of the very big and don't destruction of momentum to stake, can be used for land and marine guidance piling.
Description
The invention relates to the invention of pile driver, be a kind of be the pile driver of power source with the liquid gun propellant.
The power source that existing various pile driver adopted has electric power, steam or compressed air, fluid pressure and diesel oil, and pile-sinking method has vibratory drilling method, hammering method and static pressure method.From piling efficient, they are subjected to the restriction of the intensity of the restriction of the energy and precast reinforced concrete pile; On the scope of application, many pile drivers are subjected to the restriction of soil layer condition, when getting to hard soil layer suddenly, just may cause the accident of piling being broken or damaged pile driver, and some pile driver can not batter piling; From ease of use, many pile drivers all need pile frame, walking track etc., and some needs extra power, as steam heating boiler etc.; From piling quality, phenomenon that stake is deflected all can appear in most of pile driver.
The purpose of this invention is to provide a kind of novel pile driver, to improve piling efficient, raising piling quality, the expansion scope of application and can use more easily.
Invention is achieved in that adopts the power source of liquid gun propellant for piling, utilizes the liquid gun propellant energy big, the advantage of convenient filling, and described structure below adopting by electrical control, is finished the piling action.
The power section of pile driver has a very long cylinder, one and the much the same piston rod of cylinder length are arranged, it can slide in cylinder, when deep-seated is put in piston rod is in cylinder, the space of reserving between the gentle cylinder bottom in the upper surface of piston rod is a coyote hole, and the lower end of piston rod contacts with pile crown all the time.A controlled change dose means for loading is arranged in the power section, it injects coyote hole to predetermined liquid gun propellant amount by an one-way cock that can prevent that the powder gases in the coyote hole from returning, chew the liquid gun propellant of lighting in the coyote hole by high temperature resistant, high pressure resistant, a corrosion resistant electricity, the high pressure powder gases that produces, promote piston rod downwards, piston rod pushes away stake, and stake is entered in the soil.In order to realize continuous piling, power section support relatively descends automatically, just keeps correct relative with stake of having sunk and piston rod, can repeat above-mentioned action again then, up to stake is accomplished fluently.
The employed liquid gun propellant of this pile driver is also referred to as liquid propellant sometimes, and it comprises unit liquid propellant and liquid rocket bipropellant, also comprises the liquid that is mixed by a certain percentage by nitrose oxidant and kerosene and so on flammable liquid.
Characteristics of the present invention are that liquid gun propellant is used in the piling aspect, and the power source as piling has utilized the liquid gun propellant energy big, the advantage of convenient filling, thus produced a kind of novel pile driver.This pile driver has that energy is big, efficient is high, characteristics that can continuous operation.Owing to act on the power axis by stake more strictly on the pile body, so the good directionality of burying; Because the power that pile crown is subjected to is essentially the static pressure of powder gases, its size is relevant with explosive payload, irrelevant basically with the soil-entering resistance of stake, can be controlled at the allowing in the stressed scope of stake, so the accident that can not destroy because of getting to firm hard formation suddenly.
The concrete structure of invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is that propose according to the present invention a kind of is the view and the sectional view of the pile driver of power with the liquid gun propellant.
Describe the details and the working condition of the concrete device that proposes according to the present invention in detail below in conjunction with Fig. 1.
The chassis of pile driver (1) is a static part, and it has walking mechanism and supporting leg, and its effect is keep pile driver stable, and can produce downward power by staying and retreating machine of hydraulic pressure (2) when movable part moves upward, absorption portion knock-on energy; Guide sleeve (3) is fixed together with chassis (1), and support (4) can move up and down in guide sleeve (3), and it plays the effect and the guide effect of pile frame, and stake (6) and power section (5) can be along the axial-movements of support (4); The power section of pile driver (5) is connected for unidirectional stop with support (4), in this example, support (4) has the zigzag tooth bar, unidirectional stop fixture block (14) is arranged in the power section (5), and its effect is when the liquid gun propellant work by combustion, and power section (5) can be with support (4) to move upward jointly, during the whereabouts, power section (5) is support (4) decline one segment distance relatively, follows the stake (6) of having sunk, and keeps correct relative with it; Directive wheel (7) is used to keep the stability and the directionality of stake.
The piling process is as follows:
Become dose means for loading (8) predetermined liquid gun propellant amount is injected coyote hole (10) by an anti-backfire one way valve (9), chew (11) by electricity and light liquid gun propellant (12), the gases at high pressure that produce promote piston rod (13) piling (6) downwards, propulsion power part (5) makes progress, power section (5) is being with support (4) to move upward together by unidirectional stop fixture block (14), under the resistance of the weight of movable part and staying and retreating machine of hydraulic pressure (2), the movable part motion that makes progress of stop gradually, and drop to ready position, staying and retreating machine of hydraulic pressure (2) produces resistance upwards, the impact when falling to putting in place to reduce support (4).Because stake (6) is sunk, therefore, power section (5) needs relative support (4) decline one segment distance, can carry out the circulation second time then again.This process is carried out repeatedly by electrical control, up to stake is accomplished fluently.Air filling and discharging valves (15) communicates with coyote hole (10), can be to coyote hole inflation and venting, when need just opening Air filling and discharging valves (15) venting the liquid gun propellant (12) in the coyote hole (10) when bleeding off, in the time of venting, just can take the liquid gun propellant in the coyote hole (10) out of.
In order further to understand the performance of this novel pile driver, be a relevant data under the concrete condition below:
Soil layer: the upper strata is a grey lam layer for 13 meters, and lower floor is a lark lam layer.
The stake maximum resistance that buries: 40000 kilograms
The size of stake: 300 * 300 * 15000
The maximum load capacity that intensity allowed of stake: 198000 kilograms
The weight of stake: 3300 kilograms
Piston rod weight: 500 kilograms
Movable part weight: 17000 kilograms
Static part weight: 9000 kilograms
Movable part allows the knock-on height: 4 meters
Piston rod length: 5.5 meters
Cylinder bore diameter: 100
Maximum powder pressure: 2500 kg/cm
Explosive payload: 0.2 liter
Chambervolume: 1.68 cubic decimeters
Each institute's work of impacting: 66000 kg-ms
Frequency of impact: 24 times/minute
Power: 352 horsepowers
Through calculating, about half a minute of used time is accomplished fluently in stake, the pile driver of its type was then wanted about 20 minutes.
From the working condition of top pile driver as seen, the energy that produces during the liquid gun propellant burning, a part is used to make stake to sink, and a part is used to make the movable part of pile driver to move upward, and bounces.According to the rule that kinetic energy distributes, hammer is heavy big more with the ratio of stake weight, and the percentage that the energy that stake is obtained accounts for total energy is just big more, and it is just dark more to bury.At this, the weight sum of power section (5) and support (4), it is heavy to be equivalent to hammer, be stake and the manyfold of piston rod weight sum, so energy distribution is comparatively desirable, and most of energy of powder gases is used to make a stake sinking.
Because this piling machine does not need the optional equipments such as pile frame, has again walking mechanism, to shift, use is more convenient.
Piling machine take liquid gun propellant as power can not only be applicable to by land and drive piles under the various soil conditions, also can be used for marine guidance piling, also can batter piling.
Claims (3)
1, pile driver is characterized in that:
A quite long cylinder, energy are arranged the controlled change dose means for loading [8] of predetermined liquid gun propellant amount by an anti-backfire one way valve [9] injection coyote hole [10] and high temperature resistant, high pressure resistant, the corrosion resistant ignition electric nozzle [11] of a liquid gun propellant that is used for lighting coyote hole in the power section [5] of a, the pile driver that can descend with stake [6], a quite long piston rod [13] can slide in the cylinder of power section [5]
B, this piston rod [13] lower end contact with stake [6] head in the piling process all the time, and the pressure that powder gases produces affacts on the pile crown by this piston rod [13], during the stake pushing is buried,
C, the power source of employing liquid gun propellant for driving piles.
2, pile driver according to claim 1, its used liquid gun propellant is also referred to as liquid propellant sometimes, it comprises unit liquid propellant and liquid rocket bipropellant, also comprises the liquid that is mixed by a certain percentage by nitrose oxidant and kerosene and so on flammable liquid.
3, pile driver according to claim 1 is characterized in that having:
A, the support (4) that energy moves up and down in guide sleeve (3), this support (4) moves upward under the effect of powder gases jointly with power section (5),
B, staying and retreating machine of hydraulic pressure (2).
C, Air filling and discharging valves (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87105697 CN1030953A (en) | 1987-07-28 | 1987-07-28 | With the liquid gun propellant is the pile driver of power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87105697 CN1030953A (en) | 1987-07-28 | 1987-07-28 | With the liquid gun propellant is the pile driver of power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1030953A true CN1030953A (en) | 1989-02-08 |
Family
ID=4815416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87105697 Pending CN1030953A (en) | 1987-07-28 | 1987-07-28 | With the liquid gun propellant is the pile driver of power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649617B (en) * | 2009-07-14 | 2011-05-25 | 李新桥 | Multi-angle barrel type pile-driving method and equipment |
-
1987
- 1987-07-28 CN CN 87105697 patent/CN1030953A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649617B (en) * | 2009-07-14 | 2011-05-25 | 李新桥 | Multi-angle barrel type pile-driving method and equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |