CN1042207A - Hydraulic static power pile press - Google Patents
Hydraulic static power pile press Download PDFInfo
- Publication number
- CN1042207A CN1042207A CN 89102449 CN89102449A CN1042207A CN 1042207 A CN1042207 A CN 1042207A CN 89102449 CN89102449 CN 89102449 CN 89102449 A CN89102449 A CN 89102449A CN 1042207 A CN1042207 A CN 1042207A
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- Prior art keywords
- oil
- oil cylinder
- hydraulic
- piling
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
Hydraulic static power pile press is a kind of building piling machinery, it is made up of oil-feed system, hydraulic static system, clamp mechanism and hydraulic power system, wherein hydraulic power system is made up of accumulator, pressure switch, stop valve, two-position four-way solenoid operated directional valve, piling oil cylinder, impact oil cylinder and hammer drill, the piling oil cylinder links to each other with the impact oil cylinder by spherical free bearing, the oil inlet and oil return road of oil-feed system links to each other with the oil inlet and oil return road of piling oil cylinder respectively, the impact oil cylinder is an enclosed construction, and its piston is provided with axial aperture.It both had been applicable to soft, hard place base construction, also was applicable to the foundation construction that soft or hard changes.
Description
A kind of hydraulic static power pile press that is used to build piling relates to building machinery.
The construction preformed pile can adopt plunging and squeeze into method.The piling machinery of existing construction preformed pile all is to adopt a kind of method wherein to construct.Hydraulic static pile pressing machine adopts the plunging construction, diesel hammer, steam hammer and hydraulic hammer adopt squeezes into the method construction, adopt the piling machinery of certain single job practices that its shortcoming and limitation are all arranged, adopt the hydraulic static pile pressing machine of plunging construction, owing to be subjected to the restriction of self machine heavy (adding counterweight), only be suitable for the soft foundation construction.The method most popular diesel hammer of constructing is squeezed in employing, when the stratum is weak, because the excessive fuel oil of pile penetration can not break out or break out unable, pile monkey can not jumped on the contrary, and makes diesel hammer flame-out, so when soft soil layer uses diesel hammer, efficient is very low, and public hazards such as waste gas, noise are arranged.Hydraulic impact hammer is when piling, its impact force directly acts on the top of stake, damage easily stake and fuselage height, thus when adopting hydraulic impact hammer piling to the requirement height of stake, higher arrangement of reinforcement ratio must be arranged, increased the cost of piling, because in the overall process of piling, utilize hydraulic shock all the time, so, make the damage parts of hydraulic hammer easily, sealing performance reduces, so that the lost of life of hydraulic hammer.
Goal of the invention of the present invention is to propose a kind of low vibration, low noise, non-environmental-pollution, the lighter relatively hydraulic static power pile press of deadweight, it is applicable to subgrade construction and the construction of hard place base, also be applicable to foundation construction soft, cirrhosisization, it also can reduce the cost of piling.
The present invention is by the oil-feed system, the hydraulic static system, clamp mechanism and hydraulic power system are formed, wherein: hydraulic power system is by accumulator (14), pressure switch (13), stop valve (11), two-position four-way solenoid operated directional valve (9), hydraulic control one-way valve (8) and (10), piling oil cylinder (15), impacting oil cylinder (17) and hammer anvil (18) forms, advancing of oil cylinder, oil return line and oil-feed system are advanced, oil return line is connected, accumulator (14), one end of one end of stop valve (11) and pressure switch (13) is connected and is connected with the working hole A of two-position four-way solenoid operated directional valve (9), the oil-out of hydraulic control one-way valve (8) is connected with the oil return line of oil cylinder, oil-in links to each other with fuel tank (1), the oil-in of hydraulic control one-way valve (10) links to each other with the oil cylinder in-line, oil-out is connected with the other end of stop valve (11), the control oil channel of hydraulic control one-way valve (8) and (10) links to each other and is connected with the oil drain out O of two-position four-way solenoid operated directional valve, the working hole B of two-position four-way solenoid operated directional valve (9) is connected with fuel tank (1), its oil inlet P is adorned a plug, piling oil cylinder (15) can be connected by spherical free bearing (16) with the piston rod that impacts oil cylinder (17), thereby can make advancing of oil-feed system, oil return line only with the in-line (23) of piling oil cylinder (15), oil return line (24) is connected, impacting oil cylinder (17) is an enclosed construction, this enclosed construction is by end cap (26) and (27), impact the piston rod and the cylinder body of oil cylinder (17) and form, on its piston, be provided with the buffer gear of forming by axial aperture and in oil cylinder, be full of fluid.When beginning to construct; since topsoil a little less than; can adopt static(al) to be pressed into construction; disconnect the control circuit between 3-position 4-way electro-hydraulic reversing valve (6) and two-position four-way solenoid operated directional valve (9); the 11F that is two-position four-way solenoid operated directional valve (9) is in de-energized; when if long-term employing static pressure is constructed; for improving the application life of accumulator (14); stop valve (12) can be opened; stop valve (11) is closed; at this moment; after oil pump (3) starting; suck oil through oil filter (2) from fuel tank (1); pressure oil enters each operated valve through one way valve (5); overflow valve (4) is used to control rated operating pressure; And protects whole hydraulic system; at first the preformed pile (20) by crane (21) lifting is clamped by clamping device oil cylinder (19); action button; make the 5F energising of 3-position 4-way electro-hydraulic reversing valve (6); position, a left side is connected; pressure oil is by being the synchronous self-adjustable afflux flow divider (7) of two piling oil cylinders (15) piston action about making; the top of two piling oil cylinders (15) about dividing two-way to enter; the piston of piling oil cylinder (15) links into an integrated entity by spherical free bearing (16) and the piston that impacts oil cylinder (17) and presses down together; when the maximal clearance S of the piston of having eliminated impact oil cylinder (17) and hammer anvil (18); begin to enter the silent piling stage; piston until piling oil cylinder (15) reaches lower extreme point, and a stroke of piling finishes.Then, operation control clamping device oil cylinder (19) action, clamping device is unclamped, and action button makes the 6F energising of 3-position 4-way electro-hydraulic reversing valve (16), and right position is connected, pressure oil divides two-way to enter the below of left and right sides piling oil cylinder by synchronized splitter valve (7), the piston connector is carried on together, when forming maximal clearance S, clamping device frame Beam by on carry until dowel pressing cylinder piston and reach upper extreme point, so far, a working cycles finishes.Above-mentioned repeatedly circulation is until the dark or bearing capacity of single pile of stake that reaches designing requirement.When stake is pressed onto certain depth, when running into hardpan, can't make stake go deep into ground by static pressure, at this moment, at first the impact stroke control circuit being connected stop valve 12 closes, stop valve 11 is opened, action button, make the 5F energising of 3-position 4-way electro-hydraulic reversing valve (6), position, a left side is connected, fluid is by hydraulic control one-way valve (10), stop valve (11) is to accumulator (14) fuel feeding, when charge oil pressure reaches rated operating pressure, the contacting of pressure switch (13), make the 5F outage, the 6F energising, the piston connector of piling oil cylinder (15) with regard to backhaul to gap S by time relay control after, the 6F outage, the 5F energising, and the 11F of two-position four-way solenoid operated directional valve (9) energising is unidirectional, the control oil channel and the hydraulic oil of hydraulic control one-way valve (10) and (8) are connected, the oppositely logical oil of two hydraulic control one-way valves, pressure oil in the accumulator (14) is by stop valve (11), hydraulic control one-way valve (10) is to the quick fuel feeding in the top of piling oil cylinder (15), and the rapid oil return of hydraulic control one-way valve (8) is passed through to fuel tank in the below of piling oil cylinder (15), meanwhile, 3-position 4-way electro-hydraulic reversing valve (6) is in the work of position, a left side, oil pump (3) continues to piling oil cylinder (15) top fuel feeding, the piston of piling oil cylinder (15) fuses by ball pivot Connection Block (16) and the piston that impacts oil cylinder (17) and quickens gradually together to impact to hammer anvil (18), and impact stroke is 10
-2Finish in the time of second order of magnitude, control by the time relay (13) then, through after pressurize a period of time, the 11F outage, two-position four-way solenoid operated directional valve (9) commutation, the control oil channel of hydraulic control one-way valve (10) and (8) communicates with the low pressure oil return line, oppositely no longer conducting, pressure oil to accumulator (14) fuel feeding accumulation of energy, begins to do impact next time by hydraulic control one-way valve (10) and stop valve (11), and frequency of impact is about per minute about 20 times.For improving the application life of accumulator (14), the present invention establishes a stop valve (12) on the oil pipe of accumulator (14), the other end of stop valve (12) is connected with fuel tank (1), when static pressure is constructed, stop valve (12) is opened, and stop valve (12) is closed when impacting construction.
The present invention has overcome used noise that the diesel hammer piling machinery sends and to the pollution of air and be very restricted in municipal construction.The present invention has all advantages of hydraulic static pile pressing machine, can realize pollution-free, low noise, low vibration, civilized construction is particularly suited for constructing in the city, and is very little to surrounding buildings thing and resident's influence.The present invention can overcome the shortcoming of hydraulic static pile pressing machine heaviness, and And can widen its scope of application, and foundation soil is not strict with.These facility have multiple functions such as hydraulic static and hydraulic shock, and can give full play to plunging and squeeze into method construction advantage separately.Impact axial aperture on the piston of oil cylinder (17) and can avoid the piston connector to beat in the bounce on the hammer anvil (18) directly passing on oil cylinder and other hardware, can protect oil cylinder like this, removing to oil cylinder increases the inconvenience that counterweight is brought.
Fig. 1 is a structure principle chart of the present invention.
Fig. 2 is the structural representation that impacts oil cylinder (17).
Fig. 3 is the A-A sectional view that impacts oil cylinder.
The present invention can be achieved like this: the oil-feed system is by fuel tank (1) and standard component: strainer (2), oil motor (3), overflow valve (4), one way valve (5), 3-position 4-way electro-hydraulic reversing valve (6) and two self-adjustable afflux flow dividers (7) and (22) are formed, by connection shown in Figure 1.Accumulator in the hydraulic power system (14), stop valve (11) and (12), two-position four-way solenoid operated directional valve (9), pressure switch (13) all adopts the standard Hydraulic Elements, for improving target efficiency of the present invention, the heavy caliber hydraulic control one-way valve is all adopted in hydraulic control one-way valve (8) and (10), one end of stop valve (11) and (12), accumulator (14), the working hole A of pressure switch (13) and two-position four-way solenoid operated directional valve (9) links together by oil pipe, the other end of stop valve (11) and (12) is connected with the oil-out and the fuel tank (1) of hydraulic control one-way valve (10) respectively, the oil-out of hydraulic control one-way valve (10) is connected with fuel tank (1), the oil-in of hydraulic control one-way valve (10) links to each other with the in-line (23) of piling oil cylinder (15), advancing of hydraulic control one-way valve (8), oil-out is connected with the oil return line (24) of fuel tank (1) and piling oil cylinder (15) respectively, the control oil channel of hydraulic control one-way valve (8) and (10) links to each other and links to each other with fuel tank (1) with the working hole B of two-position four-way solenoid operated directional valve (9), selecting accumulator, should consider its matching problem when pressure switch and hydraulic control one-way valve, piling oil cylinder (15) adopts common oil cylinder, the cylinder body that impacts oil cylinder (17) adopts seamless steel pipe, be inserted in from the piston rod two ends two end cap (26) and (27), clamp by bolt, injecting oil liquid in its cylinder body, for preventing to leak, set up O RunddichtringO and Y in the corresponding position of two end cap
XRunddichtringO, be the loss of compensation oil liquid leakage, on end cap (26), the repairing hole is set, oiling regularly, piston is provided with some axial aperture, play the usefulness of vibration isolation, gap between piston and the cylinder body also will be favourable to cushioning, for the nonconcentricity of the piston rod of avoiding piling oil cylinder (15) and the axis of the piston rod that impacts oil cylinder (17) to its influence that is connected, the present invention adopts spherical free bearing (16) to connect, the oil-feed system is advanced, oil return line is connected with the in-line and the oil return line of piling oil cylinder (15) respectively, clamp mechanism of the present invention adopts and the essentially identical clamp mechanism of hydraulic static pile pressing machine, when considering the hydraulic shock construction, to bear bigger impact force on the clamp mechanism, so clamping oil cylinder (19) quantity is answered more than 4, the pile press below 100 tons adopts four clamping oil cylinders of a row, 160 tons of pile presss adopt, two each four clamping oil cylinder of row are advisable down.Hammer anvil (18) is placed on the below of impacting oil cylinder (17), is fixed by bolts on the clamp mechanism.The frame Beam of clamp mechanism links to each other with impact oil cylinder (17).
Present embodiment adopts the above-mentioned hydraulic power system of two covers, is that the center symmetry is installed with the geometric center lines in the stake hole of placing stake (20).
Claims (3)
1, a kind ofly build the hydraulic pressure pile press that piling is used, it comprises: the oil-feed system, the hydraulic static system, clamp mechanism, it is characterized in that in the hydraulic pressure pile press, having set up hydraulic power system, this system is by accumulator (14), pressure switch (13), stop valve (11), two-position four-way solenoid operated directional valve (9), hydraulic control one-way valve (8) and (10), piling oil cylinder (15), impacting oil cylinder (17) and hammer anvil (18) forms, advancing of oil cylinder, oil return line respectively with the advancing of oil-feed system, oil return line is connected, accumulator (14), one end of stop valve (11), pressure switch (13) links to each other and is connected with the working hole A of two-position four-way solenoid operated directional valve (9), the oil-out of hydraulic control one-way valve (8) is connected with the oil return line of oil cylinder, oil-in is connected with fuel tank (1), the oil-in of hydraulic control one-way valve (10) links to each other with the oil cylinder oil-in, its oil-out links to each other with the other end of stop valve (11), the control oil channel of hydraulic control one-way valve (8) and (10) links to each other and links to each other with the oil drain out O of two-position four-way solenoid operated directional valve (9), the working hole B of two-position four-way solenoid operated directional valve (9) is connected with fuel tank (1), and oil inlet P is adorned a plug.
2, hydraulic pressure pile press according to claim 1 is characterized in that the piston rod of piling oil cylinder (15) is connected with the piston rod that impacts oil cylinder (17) by spherical free bearing (16).
3, hydraulic pressure pile press according to claim 1 and 2, it is characterized in that impacting oil cylinder (17) is an enclosed construction, this enclosed construction is made up of the end cap (26) and (27), piston rod and the cylinder body that impact oil cylinder (17), and upwards be provided with the buffer gear of being made up of axial aperture in its piston week, the space in the cylinder body is full of fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89102449 CN1013779B (en) | 1989-09-29 | 1989-09-29 | Hydraulic static power pile press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89102449 CN1013779B (en) | 1989-09-29 | 1989-09-29 | Hydraulic static power pile press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1042207A true CN1042207A (en) | 1990-05-16 |
| CN1013779B CN1013779B (en) | 1991-09-04 |
Family
ID=4854722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89102449 Expired CN1013779B (en) | 1989-09-29 | 1989-09-29 | Hydraulic static power pile press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1013779B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733388A (en) * | 2011-04-13 | 2012-10-17 | 三和机材株式会社 | Method for embedding concrete piles and device thereof |
| CN103835293A (en) * | 2004-07-27 | 2014-06-04 | Ihc荷兰Ie有限公司 | Arrangement for and method of installing building elements |
| CN106703105A (en) * | 2017-03-16 | 2017-05-24 | 赵德朝 | Static pressure supporting and lubricating structure for piston of hydraulic breaking hammer |
| CN106894415A (en) * | 2017-03-13 | 2017-06-27 | 张福生 | Hand-held automatic lifting piling (well-digging) pile pulling all-in-one |
-
1989
- 1989-09-29 CN CN 89102449 patent/CN1013779B/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835293A (en) * | 2004-07-27 | 2014-06-04 | Ihc荷兰Ie有限公司 | Arrangement for and method of installing building elements |
| CN102733388A (en) * | 2011-04-13 | 2012-10-17 | 三和机材株式会社 | Method for embedding concrete piles and device thereof |
| CN102733388B (en) * | 2011-04-13 | 2015-06-24 | 三和机材株式会社 | Method for embedding concrete piles and device thereof |
| CN106894415A (en) * | 2017-03-13 | 2017-06-27 | 张福生 | Hand-held automatic lifting piling (well-digging) pile pulling all-in-one |
| CN106703105A (en) * | 2017-03-16 | 2017-05-24 | 赵德朝 | Static pressure supporting and lubricating structure for piston of hydraulic breaking hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1013779B (en) | 1991-09-04 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |