ZYB Series Hydraulic Static Pile Driver ZYB240

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Summary

Hydraulicstatic pile-pressing driver has already been widely applied in the precastpile construction of building foundation, bridge foundation,airport foundation,roadbed of railroads and trackless roads,because it can drive piles with rapid, no noise pollution ,no exhaust gaspollution and no mud pollution. Nowadays,many cities provide that it only allowed static pile-pressing driver to implement the pile foundation construction in the downtown,Hydraulicstatic pile-pressing driveris in process of replacement others traditional side-piling mechanism.

 

Since the beginning of 1990 year, the ZYB series hydraulic static pile-pressing driverwith 7 patents was succeeded in production by the Hydraulic Machine and Control Technology Research Institute of CSU which supports Changhe with its technology)。Today,ZYB series hydraulic static pile-pressing driverhas developed into the 13th generation “M” model, which can meet with the request of piling force from 80 to 1500 ton, the pile diameter is range from 300-1000mm,the square pile is range from 150-1000mm.Corresponding, the single pile loading ability reaches to 40~750 ton and is in the lead of international technology.

 

Main Performance

  1. It is the fastest pile-pressing driver in China and has a record of 1700m piling one day.

  2. It is the only pile-pressing driver in China which supporting cylinder is independent from supporting legs,consequently the supporting cylinder rod doesn’t need to endure horizontal force.

  3. It is the only pile-pressing driver in China whichdriving forces are directly transferred to the clamping jaw instead of clamping cylinder,so the service life of its clamping cylinder is increased more than several times .

  4.  It is the only pile-pressing driver in China which makes pile keep automatically parallel  with guiding rail and which four guiding rails are welded as a body in order to keep the four guiding rails parallel forever.

  5. It is the only pile-pressing driver in China which uses big oil-sucking-up pipe for oil sucking up and oil cooling.

  6. It is the only pile-pressing driver in China which uses alloy steel in body for large tonnage machine.

  7. It is the only pile-pressing driver in China which has a patent of accelerated pile-driving system .

  8. Optimal structure design according to theory of fatigue strength ensures the fatigue life longer than 15 years.

  9. Compared with other hydraulic static pile-pressing driver in China,the contact area between clamping jaw and pile increases over 1 time,The jaw-clamping pressure drop over 50% which can prevent pile from being damaged by clamping jaw for too much jaw-clamping pressure .

  10.  Compared with other hydraulic static pile-pressing driver in China,Changhe has reasonable special design of the clamping and pile-driving cylinder. Clamping cylinder effective working area is increased over 20% which ensures pile clamping reliable.

  11. Counterweight beam is on the outer side of the supporting leg cylinder,compared with counterweight beam inside of the supporting leg cylinder, the place for counterweight increase 40% and the max force born by body reduce 20%.

  12. ZYB series hydraulic static pile-pressing driver using pressure compensation type automatic variable pump  realizes constant power output, so there no working overflow power loss

  13. Special hydraulic pipeline and cooling system makes pile-pressing driver can work normally in any temperature.

  14. The close oil injecting and filtrating system makes oil injecting and filtering very convenient and be free from pollution.

  15. Compared with other hydraulic static pile-pressing driver in China,its rotary platform is about one meter longer,this can increase the steady of machine when the short-feet support the body.

  16. The structure of net-shaped rib in long feet and short feet guarantee that there are at least two rib in feet confront the pile head when feet stepped on Φ400 pile head ,the penetration-resisting ability is improved by about 40%.

  17. the crane of pile-pressing driver can hoist its long feet and short feet.

  18. Compared with others side piling mechanism, ZYB’s side piling system and body is a whole,this structure arises its strength and rigidity by 30%~50%

  19. Compared with other hydraulic static pile-pressing driver in China, the distance between ZYB’s side piling center and the nearest supporting leg reduces  by at least 50%。Under the same counterweight condition,ZYB side pile driving ability raises by at least 20%.

  20. Oil pump station is positioned within working range of crane. Compare with the oil pumps station positioned under operation cabin,the maintaining service time for oil pump station is reduce 80%

  21. Compared with bifid ball head gland and connection by bolt and tapped hole in ball head base used in other hydraulic static pile-pressing driver in China,ZYB use integral ball head gland and connection by bolt and nut。Firstly,it can avoid ball head jump from the ball head gland;Secondly,it can avoid  the damage of ball head’s tapped hole in ball head base, it needs spend 300 times cost to replace ball head base.

  22. compared with the whole Walking trolley with the axles and trolley carrier welded as a whole used in other hydraulic static pile-pressing driver in China,ZYB’s axles is movable from trolley carrier. If the axles is damaged,it need to only replace axles,rather than to spend 10 times cost to replace the whole trolley.

  23. Compared with others hydraulic static pile-pressing driver in China, 680 model and 800 model of ZYB’s pile-pressing driver is equipped 20 ton crane,the capacity of crane increase by 20%.

     

Patented Technology

1. The patented pile-clamping mechanism with function of clamping jaw automatic aligning and swing, make the position of clamping jaw adapt to different size and position of piles by itself, minimize damage to the piles. The pile-driving force is directly transfer to clamping jaw from the clamping box, in order to keep the pile clamping cylinder from being damaged by the pile-driving force.

    

2. The patented long-feet-moving mechanism directly driven by double carts prevents the lifting mechanism from easily being damaged by enduring double horizontal force.

 

 3. The patented cantilever articulatingmechanism has the rigidity and strength 30% higher than traditional plug-in cantilever, making the machine more stable to operate and more convenient to transport.

 

4. The patented lifting mechanism with protective sleeve(machine above 420t) or upside down(machine below 360t) prevents piston-rods of cylinders from enduring horizontal forces and consequently brings them longer operating life.

 

5. The patented multi-grad control of pile driving velocity doubles the piling speed..

 

6. The patented auto-replacement mechanism of traverse and rotary motion automatically keeps the rails of the short feet being parallel all the time and protects the machine from being damaged.

7. The patented pile-clamping mechanism with clamping cylinder axial driving and replacement of radial spring, makes 8 clamping jaw structure come true and more reliable. Every two basic tubular jaws drive one square jaw with a replacement of radial spring, aiming at clamping the square pile. The pile-driving force is directly transfer to clamping jaw from the clamping box, in order to keep the pile clamping cylinder from being damaged by the pile-driving force.

 

 

Application Case

                    

           ZYB120K-B Working in Singapore                                               ZYB120 Working in Indonesia

 

Transportation Show

                 

 

         

 

Parameter-ZYB240

Max piling pressure(tf)

240

Max theory piling speed(m/min)

9.4

Piling stroke(m)

2

Grades of piling

4

Longitudinal shift (m)

2.4

Rise/down stroke(m)

1.05

Horizontal shift(m)

0.55

Max oil pressure of main machine(MPA)

23.4

Angle range(°)

14

Max oil pressure of crane (MPA)

20

Theory flow of main machine(l/min)

232

Theory flow of crane(l/min)

91

Electrical motor power(KW)

2*30+15+3.0

Fit square pile specification

F250-400

Fit round pile specification

¢300-400

Dimension of short boat(m×m)

2.8×4.2

Dimension of long boat(m×m)

11.8×1.0

Ground pressure ratio of short boat

10.2

Ground pressure ratio of long boat

10.2

Total weight of machine(t)

98/100

 

 

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Q:Why is it that the hammer can always bounce when the pile is driven up a few times?
The working principle of diesel hammer, hammer force pull up several times in the ignition, ignition after diesel combustion explosive can put the hammer from the top, the hammer reaches a certain height to fall under gravity, in the moment of contact pressure the light diesel (compression diesel can make its combustion is its characteristics), and was the top hammer, again and again.
Q:What machinery is used for piling?
In fact, in some places with artificial, you can go to buy a wylong machinery piling machine equipment is good, driving fast and convenient and money
Q:How many hydraulic pile drivers or diesel pile drivers are used in high-rise residential buildings?
The pile foundation of high-rise building usually adopts precast pipe pile and seldom uses cast-in-place pile.
Q:How to hit a pile of photovoltaic power generation?
Do you have anything to live with? I have a photovoltaic machine. What ground is it, earth or stone?
Q:Several common pile foundations and pile driving techniques
At the bottom of the drill bit, when rotating, the soil layer becomes loose and becomes slag. It is suspended by mud and overflowed with mud. The well wall is protected by water head and mud. Reverse circulation rotary drilling: the mud flows into the borehole from the mud pool and is mixed with drilling slag. Suction role in vacuum pump, drill into a slag mixture into the mouth, through the drill pipe, and a slurry pump debris control raft excreted into the sedimentation tank cleaning, for further use. Because the bore diameter of drill pipe is much smaller than that of well bore, the water slurry in drill pipe is increased by 4~5 times faster than that of positive circle, and it is dominant in drilling hole of bridge drilling pile.
Q:Flood piling machine a lot, why not see changkai dike breach after piling piling machine?
The width of 340 meters, so excited water, so a wide breach, the water is so deep, the boat stopped, so how long pile up? Where is the man standing? People have no place to stand. How can the pile driver be put into the wooden pile? Under such circumstances, even if there is a pile driver, what's the use? This is the changkai dike breach after there are no reasons for piling piling machine.Answer to your supplementary question:Closure of crevasse is a system engineering, it should include: pile, piling machine, operating platform, platform connection between the anchor pile, etc.. Not only one or two of them can be done.The following is the Liyang Ding Ding Mini piling equipment factory produced dragon dragon brand dam information, hoping to help answer your questions, if you do not see clearly, you can click on the map to see the original picture.First, dragon Ding card dam mapSorry, I'm only level one now. I can't upload pictures. If necessary, go to the website of the new tripod piling equipment factory in LiyangTwo, the Dragon Dingpai dam burst when the working drawing of pluggingThree, dragon card blocking effect after the burst dam closure graphWhen all of the pile are good, can seal the 90% water, finally burst all filled with debris, if there is enough manpower, also can be in front of the pile at the same time, immediately behind the embankment filling. Crevasse sealing is completed, will pull out all the repeated use of pile.
Q:How many prestressed concrete pipe piles can a pile driver hit in a day?
1, a pile driver can play the prestressed concrete pipe pile in a day, and the number of skilled workers, geological conditions, as well as the quality of the pile driver. Under normal circumstances, you can hit around 400 a day.2, in order to make up for the prestressed concrete concrete cracks in the phenomenon, in the use of components (load) before, to advance a concrete pre pressure in concrete in the tensile zone, using the method of artificial force, reinforced by stretching, the retraction force of steel, the tension zone of the concrete in advance under pressure. This stored pre pressure, when the components bear the tension produced by the load when the first offset by pre stress tension zone in concrete, and with the increase of load, the concrete tension, which limits the concrete elongation, delay or not lead to cracks, which is called prestressed concrete. Prestressed concrete pipe pile is a kind of precast concrete pile, which embodies the progress of modern concrete technology and the high and new technology level of concrete products.3, [prestressing: force] is a prestressed prestressed structure in order to improve the service performance during the construction to the structure of pre applied stress structures of pre compressive stress can be wholly or partially offset load caused by tensile stress, avoid structural damage. Commonly used in concrete structure, concrete structure under load is before, in advance to put pressure on it to make it in the outside load when the concrete tensile stress compressive stress produced in order to offset or reduce the load due to the tensile stress, the structure in the case of normal cracks or crack late.
Q:How does a cement pile driver work?
It's like the principle that we hammer a nail. Use gravity to press down.
Q:What are the effects of building piling on the surrounding area?
In engineering piling, because of the huge impact force, it can produce shock wave, which will cause some damage to the surrounding building.
Q:What is an impact pile driver?
You mean the kind of pile driver that used to use high explosive diesel engines to produce impact?The principle is like using the percussion hammer nails, using a hammer impact in the nail head will generate the nail.It's very seldom used now.

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