A kind of fully automatic hydraulic cuts a machine
Technical field
The present invention relates to a kind of pile foundation machinery of construction work, particularly a kind of fully automatic hydraulic cuts a machine.It can simply connect with various engineering machinery, and the product adaptation scope is wide.
Background technology
Since China reform and opening-up, national economy obtains rapid growth, has become the main flow of the present industrial development of China with " scientific and technical innovation, autonomous innovation ", and China's industry is progressively to intensive style, energy-saving and emission-reduction, the future development of low-carbon (LC).In the pile foundation construction process, for easy construction, can make the stake of making than actual length, but through squeezing into (or other techniques) after projected depth, the above redundance of foundation bed must be clipped, and at this moment needs to cut stake.At present, domestic traditional broken pile head adopts the artificial method of pneumatic pick of using to abolish pile crown, construction period noise, vibration and dust are all larger, the labor intensity of operating staff of construction is large, long period of operation easily impact is healthy, also can cause certain noise pollution to surrounding enviroment, can not adapt to the extensive stake requirement that cuts, efficient is low, and cost is high.And the method easily makes the pile crown position after abolishing produce the crack, and the pile crown surface irregularity of abolishing is unfavorable for follow-up construction, also affects construction speed simultaneously.The another kind of method hydraulic-pneumatic power hammer of same employing is clipped pile crown, when the amputation pile crown, can damage the integrality of pile body, affects strength of the mixing pile; Adopt in addition portable cutting machine come to cut a pile crown, cutting can damage reinforcing bar, cut complete after, the bulk pile crown is heavier, it is very difficult to transport foundation ditch, probably brings injury to the workman.The form of construction work that falls behind in order to change this tradition alleviates workman's labour intensity, increases work efficiency the application life of prolonged mechanical.R﹠D institution and science and technology in enterprise personnel utilize modern science and technology in constantly research, exploration, although obtained technically some progress, still exist the technical barrier that not yet overcomes in practice.
Summary of the invention
The object of the invention is to overcome above deficiency, provide a kind of fully automatic hydraulic to cut a machine, the hydraulic system that adopts technology of closed loop control to cut the stake machine, response is fast, highly sensitive, man-machine interface has error correction, and the operator can know from the display screen of man-machine interface and see and cut the overall process that the stake machine cuts stake.It is advanced that this kind cuts the stake machine technology, and section stake speed is fast, does not destroy the pile crown overall structure, and is easy to operate, safety, and stable performance, high efficiency, the labour intensity that alleviates the workman is low, and construction noise is low, energy-conserving and environment-protective, long service life.
The technical solution adopted for the present invention to solve the technical problems is: comprise the chain sling assembly, chain, suspension bracket, the drill steel device, hydraulic oil pipe, the connection seat bearing pin, oil cylinder, connection seat B, connection seat A, drill steel axle sleeve flange, the chaining ring, oil inlet pipe, flowline, oil cylinder seat, bolt, drill steel, cylinder flange, bolt silently, piston, bearing pin, the chain sling assembly is formed by eight chain assembleds, be pagoda shape, the bolt that eight chains is uniform is on suspension bracket, suspension bracket is anistree shape, form with steel-pipe welding, the center of suspension bracket is provided with cross hang, chain connects the chaining ring on the drill steel device of lower end on the suspension bracket, connection seat B and connection seat A are provided with oilless bearing in the hole up and down, connection seat A on connection seat B on each drill steel device and each the drill steel device is coupled to each other, and be fixed with the connection seat bearing pin, be combined into circumferential, the oil cylinder of each drill steel device is provided with oil inlet pipe and flowline, oil inlet pipe on each drill steel device and oil inlet pipe are coupled to each other them with hydraulic oil pipe and are integrated, flowline and flowline also are coupled to each other them with hydraulic oil pipe and are integrated, at last an oil inlet pipe and a flowline are connected with hydraulic system again, hydraulic system by technology of closed loop control section stake machine, man-machine interface has formed a kind of fully automatic hydraulic and has cut a machine.
Each above-mentioned drill steel device, comprise oil cylinder, connection seat B, connection seat A, drill steel axle sleeve flange, the chaining ring, oil inlet pipe, flowline, oil cylinder seat, bolt, drill steel, cylinder flange, bolt silently, piston, bearing pin, oil cylinder be one oval tubular, oil cylinder is provided with oil inlet pipe and flowline, be provided with piston in the oil cylinder, have two bolts hole on the piston tip, the tapered shape in drill steel top, the drill steel top is provided with the tough angle of polygon cutting, the drill steel tail spindle head also is provided with up and down two bolts hole, link by bearing pin between drill steel tail spindle head and the piston tip spindle nose, and with bolt silently the bearing pin two ends are fixed, be provided with the gap between drill steel tail spindle head and the piston tip spindle nose, equally also be provided with the gap between bearing pin and the bolt hole, the top of oil cylinder is provided with cylinder flange, be provided with oil cylinder seat between cylinder flange and the drill steel axle sleeve flange, cylinder flange and drill steel axle sleeve flange are fixed by bolts on the oil cylinder seat, the two ends of oil cylinder seat are provided with connection seat A and connection seat B, and the upper end of oil cylinder seat is provided with the chaining ring.
Above-mentioned drill steel tail spindle head respectively is provided with up and down two bolts hole with the piston tip spindle nose up and down, and this diameter of bolt hole is greater than the diameter of bearing pin.
Above-mentioned drill steel tail spindle head diameter is less than the piston spindle nose diameter of oil cylinder.
The know-why that the present invention adopts is: adopt the piston of a plurality of hydraulic jacks to promote to move back and forth about the drill steel load and push pile body, from the operating principle that same end face difference pushes pile body simultaneously, realize abolishing the purpose of pile crown.A kind of fully automatic hydraulic cuts a machine and adopts a plurality of drill steel devices to combine, can be according to on-the-spot stake footpath size, and adjustment drill steel device quantity reaches cuts the on-the-spot diameter requirement of stake.When cutting the stake operation, the chain sling assembly on top can simply connect with various engineering machinery, and the product adaptation scope is wide.The suspension bracket custom design guarantees lifting intensity; The employing standard component connects, and is easy to use.Link by the connection seat bearing pin between drill steel device and the drill steel device, easy to operate, need not professional skill; Connection seat B and connection seat A are provided with oilless bearing in the hole up and down, connection seat A on connection seat B on each drill steel device and each the drill steel device is coupled to each other, and be fixed with the connection seat bearing pin, make the connection seat bearing pin have lubricity, prolong the application life of connection seat bearing pin.Drill steel axle sleeve flange custom design, the stability in the time of can protecting drill steel work makes drill steel not fragile, is convenient to the replacing of drill steel.Adopt high-strength bolt to be connected and fixed between drill steel axle sleeve flange and oil cylinder seat, cylinder flange and the oil cylinder seat.Oil cylinder seat adopts the hot investment casting moulding, and intensity is high, dependable performance.Drill steel adopts alloy material and special Technology for Heating Processing to process, and can satisfy the broken requirement of the mixed earth of various labels.The oil cylinder custom design satisfies and cuts the assurance of stake power.Because the bolt hole that drill steel tail spindle head and piston tip spindle nose are provided with, this diameter of bolt hole is greater than the diameter of bearing pin, and drill steel tail spindle head diameter is less than the piston spindle nose diameter of oil cylinder, so that keep certain fit clearance between bearing pin and the bolt hole, the flexibility of this uniqueness mode that links, reduce radial load and the torque of oil cylinder and piston, the motion that effectively reduces drill steel and piston is subjected to force intensity.Because being one, drill steel easily changes part, often to change, if use threaded connection mode, cause drill steel when being subjected to external force, radial load can directly pass to the piston of oil cylinder, and rigid connection can reduce the oil cylinder life-span like this, even generation drill steel and piston region fracture, unload and tear trouble open, time-consuming, directly affect the engineering construction progress.When cutting the stake operation, the piston of a plurality of hydraulic jacks promotes to move back and forth about the drill steel load, in case run into stronger concrete stake, it is large to produce the impact force load, but the power pressure-equalizing and discharging plays certain cushioning effect, reduced and be subjected to force intensity, guaranteed that piston and drill steel are difficult for damaged or fracture, prolonged the application life of piston and drill steel, increased work efficiency.The hydraulic system of this section stake machine adopts technology of closed loop control response fast, highly sensitive, man-machine interface, has error correction, the operator can know from the display screen of man-machine interface and see and cut the overall process that the stake machine cuts stake, can adjust at any time the process of cutting the stake motor speed, guarantee to cut the application life of stake machine and cut quality of pile.
Beneficial effect of the present invention is: a hydraulic system that adopts technology of closed loop control to cut the stake machine, and response is fast, and highly sensitive, man-machine interface has error correction, and the operator can know an overall process of seeing that a machine that cuts cuts from the display screen of man-machine interface.The operating principle that utilization is pushed pile body simultaneously from same end face difference, the purpose of pile crown is abolished in realization, satisfies the extensive stake requirement that cuts.It is advanced, easy to operate that this kind cuts the stake machine technology, safety, and stable performance, high efficiency, the labour intensity that alleviates the workman is low, and construction noise is low, energy-conserving and environment-protective, long service life.The plane, stake top that this kind section stake machine has cut behind the pile crown is more smooth, and the pile crown presentation quality after abolishing is good, is conducive to guarantee workmanship, also is conducive to constructor's safety and Health.
Description of drawings
The below further describes the present invention in conjunction with the accompanying drawings and embodiments:
Fig. 1 is the overall structure schematic diagram that a kind of fully automatic hydraulic cuts a machine
Fig. 2 is the drill steel device three-dimensional structure front view that a kind of fully automatic hydraulic cuts a machine
Fig. 3 is the drill steel device three-dimensional structure rear elevation that a kind of fully automatic hydraulic cuts a machine
Fig. 4 is the drill steel device bearing pin connection schematic three dimensional views that a kind of fully automatic hydraulic cuts a machine
Fig. 5 is that a kind of fully automatic hydraulic cuts a machine piston and drill steel connecting device structure sectional view
Fig. 6 is that a kind of fully automatic hydraulic cuts a machine piston and drill steel coupling arrangement schematic three dimensional views
In the drawings: 1. chain sling assembly, 2. chain, 3. suspension bracket, 4. drill steel device, 5. hydraulic oil pipe, 6. connection seat bearing pin, 7. oil cylinder, 8. connection seat B, 9. connection seat A, 10. silently bolt, 19. pistons, 20. bearing pins of drill steel axle sleeve flange, 11. chaining rings, 12. oil inlet pipes, 13. flowlines, 14. oil cylinder seats, 15. bolts, 16. drill steels, 17. cylinder flanges, 18..
The specific embodiment
In Fig. 1: chain sling assembly 1 is combined by eight chains 2, be pagoda shape, the bolt that eight chains 2 are uniform is on suspension bracket 3, suspension bracket 3 is anistree shape, form with steel-pipe welding, the center of suspension bracket 3 is provided with cross hang, the chaining ring 11 that chain 2 connects on the lower end drill steel device 4 on the suspension bracket 3, connection seat B8 and connection seat A9 are provided with oilless bearing in the hole up and down, connection seat A9 on connection seat B8 on each drill steel device 4 and each the drill steel device 4 is coupled to each other, and be fixed with connection seat bearing pin 6, be combined into circumferential, the oil cylinder 7 of each drill steel device 4 is provided with oil inlet pipe 12 and flowline 13, and the oil inlet pipe 12 on each drill steel device 4 and oil inlet pipe 12 usefulness hydraulic oil pipes 5 are coupled to each other them and are integrated, and flowline 13 and flowline 13 also are coupled to each other them with hydraulic oil pipe 5 and are integrated, at last an oil inlet pipe 12 and a flowline 13 are connected with hydraulic system again, by the hydraulic system that technology of closed loop control cuts the stake machine, man-machine interface has formed a kind of fully automatic hydraulic and has cut a machine.
Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6: each above-mentioned drill steel device 4, oil cylinder 7 be one oval tubular, oil cylinder 7 is provided with oil inlet pipe 12 and flowline 13, be provided with piston 19 in the oil cylinder 7, have two bolts hole on piston 19 tops, the tapered shape in drill steel 16 tops, drill steel 16 tops are provided with the tough angle of polygon cutting, drill steel 16 tail spindle heads also are provided with up and down two bolts hole, link by bearing pin 20 between drill steel 16 tail spindle heads and the piston 19 top spindle noses, and with bolt 18 silently bearing pin 20 two ends are fixed, be provided with the gap between drill steel 16 tail spindle heads and the piston 19 top spindle noses, equally also be provided with the gap between bearing pin 20 and the bolt hole, the top of oil cylinder 7 is provided with cylinder flange 17, is provided with oil cylinder seat 14 between cylinder flange 17 and the drill steel axle sleeve flange 10, and cylinder flange 17 and drill steel axle sleeve flange 10 usefulness bolts 15 are fixed on the oil cylinder seat 14, the two ends of oil cylinder seat 14 are provided with connection seat A9 and connection seat B8, and the upper end of oil cylinder seat 14 is provided with chaining ring 11.
Above-mentioned drill steel 16 tail spindle heads respectively are provided with up and down two bolts hole with piston 19 top spindle noses up and down, and this diameter of bolt hole is greater than the diameter of bearing pin 20.
Above-mentioned drill steel 16 tail spindle head diameters are less than the piston 19 spindle nose diameters of oil cylinder 7.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6: a kind of fully automatic hydraulic cuts a machine, adopt the piston 19 of a plurality of hydraulic jacks 7 to promote to move back and forth about drill steels 16 loads and push pile body, from the operating principle that same end face difference pushes pile body simultaneously, realize abolishing the purpose of pile crown.A kind of fully automatic hydraulic cuts a machine and adopts a plurality of drill steel devices 4 to combine, can be according to on-the-spot stake footpath size, and adjustment drill steel device 4 quantity reach cuts the on-the-spot diameter requirement of stake.When cutting the stake operation, the chain sling assembly 1 on top can simply connect with various engineering machinery, and the product adaptation scope is wide.Suspension bracket 3 custom design guarantee lifting intensity; The employing standard component connects, and is easy to use.Link by connection seat bearing pin 6 between drill steel device 4 and the drill steel device 4, easy to operate, need not professional skill; Connection seat B8 and connection seat A9 are provided with oilless bearing in the hole up and down, connection seat A9 on connection seat B8 on each drill steel device 4 and each the drill steel device 4 is coupled to each other, and be fixed with connection seat bearing pin 6, make connection seat bearing pin 6 have lubricity, prolong the application life of connection seat bearing pin 6.Drill steel axle sleeve flange 10 custom design, the stability in the time of can protecting drill steel 16 work makes drill steel 16 not fragile, is convenient to the replacing of drill steel 16.Adopt high-strength bolt 15 to be connected and fixed between drill steel axle sleeve flange 10 and oil cylinder seat 14, cylinder flange 17 and the oil cylinder seat 14.Oil cylinder seat 14 adopts the hot investment casting moulding, and intensity is high, dependable performance.Drill steel 16 adopts alloy material and special Technology for Heating Processing to process, and can satisfy the broken requirement of the mixed earth of various labels.Oil cylinder 7 custom design satisfy and cut the assurance of stake power.Because the bolt hole that drill steel 16 tail spindle heads and piston 19 top spindle noses are provided with, this diameter of bolt hole is greater than the diameter of bearing pin 20, and drill steel 16 tail spindle head diameters are less than the piston 19 spindle nose diameters of oil cylinder 7, so that keep certain fit clearance between bearing pin 20 and the bolt hole, the flexibility of this uniqueness mode that links, reduce radial load and the torque of oil cylinder 7 and piston 19, the motion that effectively reduces drill steel 16 and piston 19 is subjected to force intensity.Because being one, drill steel 16 easily changes part, often to change, if use threaded connection mode, cause drill steel 16 when being subjected to external force, radial load can directly pass to the piston 19 of oil cylinder 7, and rigid connection can reduce by 7 life-spans of oil cylinder like this, even generation drill steel 16 and the fracture of piston 19 positions, unload and tear trouble open, time-consuming, directly affect the engineering construction progress.When cutting the stake operation, the piston 19 of a plurality of hydraulic jacks 7 promotes to move back and forth about drill steel 16 loads, in case run into stronger concrete stake, it is large to produce the impact force load, but the power pressure-equalizing and discharging plays certain cushioning effect, reduced and be subjected to force intensity, guaranteed that piston 19 and drill steel 16 are difficult for damaged or fracture, prolonged the application life of piston 19 and drill steel 16, increased work efficiency.The hydraulic system of this section stake machine adopts technology of closed loop control response fast, highly sensitive, man-machine interface, has error correction, the operator can know from the display screen of man-machine interface and see and cut the overall process that the stake machine cuts stake, can adjust at any time the process of cutting the stake motor speed, guarantee to cut the application life of stake machine and cut quality of pile.