CN1139697C - Extruding and extending mechanism for sectional Y-shaped extruded and extended pile - Google Patents

Extruding and extending mechanism for sectional Y-shaped extruded and extended pile Download PDF

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Publication number
CN1139697C
CN1139697C CNB001299387A CN00129938A CN1139697C CN 1139697 C CN1139697 C CN 1139697C CN B001299387 A CNB001299387 A CN B001299387A CN 00129938 A CN00129938 A CN 00129938A CN 1139697 C CN1139697 C CN 1139697C
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oil
cylinder
piston
following
oil cylinder
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Expired - Fee Related
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CNB001299387A
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CN1350097A (en
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贺德新
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He Dexin
Tianjin Sino Broad Construction Engineering Co Ltd
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Abstract

The present invention relates to an extruding and extending device for sectional Y-shaped extruded and extended piles. One end of a connector is connected with a crane, and the other end is connected with a head of an extruding and extending machine through a rotating device; two oil pipes are connected with a pressure sensor and a flow sensor of a hydraulic working station and an electronic measurement control device which are arranged on the crane. The head of the extruding and extending machine of the present invention comprises an upper oil cylinder, a lower oil cylinder and a compaction oil cylinder arranged on the lower end, wherein the upper and the lower oil cylinder are identical; an oil pipe is arranged in a piston rod used as a center rod; both of an angle sensor and a displacement sensor are arranged on the ground; gaps are formed between every two components of the connector. Thus, the present invention has the advantages of high work efficiency, low failure rate, high reliability, great improvement of extruding and extending quality, convenient maintenance and installation, convenient operation and low cost.

Description

The extruding-spreading device of more piece trident extruded and extended pile
Technical field:
The present invention relates to the extruding-spreading device of the reinforced concrete pile on a kind of building, bridge or various bases, the extruding-spreading device that relates in particular to a kind of more piece trident extruded and extended pile is to be used for bridge stake, floor stake, slope protection pile, high pressure anchor pole etc.
Background technology:
Chinese patent CN98102841.1 all-intelligent multifunctional hydraulic extruding extender, though it has had epoch-making improvement than present extruding-spreading device, seldom break down, improved operating efficiency greatly, but the oil pipe that adopts because of this device is many, the air-proof condition of rotational fuel tank and positional cylinder is had relatively high expectations, thereby easily goes wrong; Positioner can be finished the location smoothly when soil layer is better, and soil layer just can not reach location preferably when relatively poor; In addition, the difference in height 2-3m between positioner and the squeezed bow pressing arm has not just had the space, location when squeezed during than stub, and this device is squeezed in the horizontal direction, in fact also move up and down, cause, will lose efficacy for the location as the device come-up because of the stratum is firmly upward soft down; Moreover because of adopting an oil cylinder to finish two bidirectional-movements, lower piston must have three sealings movingly, and component life is shortened greatly when squeezed, and installation processing is all very difficult; Also have, because of inclement condition greatly reduces its reliability, and increased by one group of cable and cause control loaded down with trivial details when pressure sensor and displacement transducer are worked in the hole, poor reliability, or the like.
Summary of the invention:
The objective of the invention is to design a kind of simple in structure, reliable operation, have good positioning, long service life, the extruding-spreading device of installation and processing, convenient disassembly, an oil cylinder with the past, change two oil cylinders up and down into, change movable sealing into static seal, change outer oil pipe into oil pipe and pass through by the center piston bar, impaired with regard to having avoided this oil pipe to connect in the cylinder body outside, be unlikely the whereabouts for making upper body or sand, change up and down oil cylinder equal and opposite in direction into, thus make three squeezed arms well along continuous straight runs finish squeezed.For making reliable operation, change in-ground sensor control into control on the ground, be to solve sediment at the bottom of the priming concrete pile hole, install compacting oil cylinder etc. additional in oil cylinder bottom down.
The object of the present invention is achieved like this: connector one end connects hoist lifting hook, and the connector other end uses pivot pin to be connected with squeezed head by the center of whirligig, two oil pipes of squeezed head are linked hydraulic workstation by crane, and hydraulic workstation connects the pressure sensor and the flow transmitter of electronic measurement and control device; Electronic measurement and control device and hydraulic workstation all are placed on the crane.Wherein, two oil pipes are linked respectively on the oil inlet pipe and oil return pipe that is positioned at squeezed head center, advance, there is attachment cap oil return pipe topmost outside, and last attachment cap is arranged under it, there is pin to link to each other in the last attachment cap, the piston rod of oil inlet pipe and oil return pipe outside is fixed with nut.Be connected with the last guide cover of upper cylinder below the last attachment cap, the last guide cover cylinder barrel that oils outward has the following guide cover of upper cylinder below it, the upper piston of upper cylinder is arranged in it.Last terminal pad is arranged below the upper piston of upper cylinder, there are three pivot pins, three to go up bow pressing arm and three following bow pressing arms and three middle pivot pins in it, following terminal pad connects the lower piston of oil cylinder down, its outer following guide cover that following oil cylinder is arranged, following cylinder tube is arranged under it, the lower piston of following oil cylinder has the last guide cover of following oil cylinder below it, lower piston and down the last guide cover of oil cylinder all in descending cylinder tube.Through the oil cylinder and the center of terminal pad up and down up and down, there is pin the lower end of piston rod to piston rod, by nut piston rod is locked as center-pole.The oil inlet pipe end has one way valve and reversal valve (can be pressure reversal valve or solenoid operated directional valve), and oil return pipe is linked in the following compacting cylinder tube, and the compacting cylinder tube is in the piston rod of piston outside, guide cover is arranged below the piston rod, pressure block is arranged below the guide cover.
Two high-pressure oil pipes of described hydraulic workstation are linked to the pressure sensor and the flow transmitter of electronic measurement and control device respectively, they are connected with signal amplifier respectively again, signal amplifier links to each other with the V/F converter, the single chip computer measurement controller connects V/F converter and notebook computer respectively, and phone links to each other with notebook computer.
Described connector inserts the attachment cap of squeezed head by lower connecting rod, connects by two pivot pins again.Lower connecting rod inserts upper connecting rod and connects by pivot pin.During connection, preferably lower connecting rod and upper connecting rod leave big gap and lower connecting rod and attachment cap and pivot pin and attachment cap, and upper connecting rod all leaves big gap.Connector is a more piece.
The rotation matrix of described whirligig is placed on the reference block, pressure bearing, bearing is respectively between reference block and rotation matrix, three locking cylinders are installed on the rotation matrix, latch segment is installed on the piston rod of locking cylinder, and two rotary oil cylinders are linked reference block and rotation matrix respectively by pivot pin.Link hydraulic workstation into and out of oil pipe for four that are connected in parallel, the six roots of sensation oil pipe parallel connection of three locking cylinders is linked on the hydraulic workstation, by pivot pin reference block is linked to each other with crane.
The present invention compares the good effect that has with prior art:
(1) oil pipe of general oil cylinder all is to walk in the cylinder barrel outside, and oil pipe of the present invention passes through from center-pole, and is safe and reliable, and oil pipe connects in the cylinder body outside and impaired when having avoided this device busy.
(2) two equal-sized oil cylinders of upper and lower settings, isobaric inwardly common or outwards in when work, the outside motion by oil cylinder drives the bow pressing arm along continuous straight runs and expands outwardly or shrink, and carries out squeezed.Move because bow pressing arm is an along continuous straight runs,, thereby make the soil body or sand be unlikely the whereabouts, thereby finish squeezed side die cavity well so bow pressing arm thrusts the soil body all the time in squeezing process.
The trident bow pressing arms of locating (3) etc. divide 120 °, make this device finish the trident die cavity of five equilibrium in squeezing process, thereby make the stressed maintenance reasonably stability of three forked type stakes.When bow pressing arm is regained, because of the interior triangle of bow pressing arm and central locating rod form tangent line, can bow pressing arm with silt outwards squeeze out, thereby make bow pressing arm squeezed, regain and finish smoothly.
(4) bottom advantage that the compacting oil cylinder is set is: squeezed the biglyyest in native the time at the trident bow pressing arm, open the oil-in of compacting oil cylinder by pressure reversal valve or solenoid operated directional valve, the compacting oil cylinder ejects downwards, under the counter-force situation that the trident bow pressing arm provides, pressure block is with the sediment compacting of bottom surface, hole, thereby solved a sediment difficult problem at the bottom of the unsolved for many years priming concrete pile hole effectively, improved construction quality greatly.This device also can the real device of called after hole base pressure.
(5) formation of trident stake is that this installs another characteristics, have only this device could form more piece three forked type stakes, the stake of more piece 3n forked type or more piece trident and more piece 3n fork combination pile, the pile body of the isoceles triangle shape of 120 ° of distributions of formation certain width, it has not only increased the side grinding resistance but also has increased the end load, so this stake is stressed rationally.
(6) owing to adopted up and down two oil cylinders, and two cylinders move simultaneously, thus operating efficiency can be improved greatly, and reliable operation, manufacturing process is easy, and two oil cylinder interchangeability are strong, easy to maintenance, the shortcoming that can not reclaim simultaneously when having overcome squeezed bow pressing arm recovery.
(7) rotary positioning apparatus is placed on ground, has reduced the oil pipe under the hole, and can see on the ground and location and rotation therefore can improve the reliability of construction greatly.
(8) adopt the electronic measurement and control device, angle and displacement transducer are changed on the ground by underground, thereby the operation installation is all easy, and work is more reliable.
(9) because the connection of connector leaves the gap, so it had both overcome the leverage of stock rigidity, solved the shortcoming of flexible steel cable connection rotation again, guaranteed to rotate and the location.
Description of drawings:
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail:
Fig. 1 is the connection diagram of each parts of the present invention.
Fig. 2 is the sectional view of extruding and expanding machine header structure of the present invention.
Fig. 3 is the vertical view of position rotating part of the present invention.
Fig. 4 is the sectional view of position rotating part shown in Figure 3 along the A-A line.
Fig. 5 is the sectional view of connector of the present invention.
Fig. 6 is the functional-block diagram of electronic measurement and control device of the present invention.
The specific embodiment:
As depicted in figs. 1 and 2, the ground hydraulic work station 6 that is located on the crane 7 is controlled the oil cylinder work by two oil pipes 4, connector 3 inserts the attachment cap 1-29 of squeezed head 1 by lower connecting rod 3-2 through the center of whirligig 2, by two pivot pin 3-1 attachment cap 1-29 and lower connecting rod 3-2 are linked together, the top of lower connecting rod 3-2 connects upper connecting rod 3-3 by pivot pin 3-1.The oil cylinder up and down of squeezed head 1 has last guide cover 1-25 respectively, 1-9 and following guide cover 1-23, and 1-14, and connect oil cylinder barrel 1-24 and following cylinder tube 1-10 respectively.There is pin 1-27 to be connected in the last attachment cap 1-28 below the attachment cap 1-29 with nut 1-26.During oil-feed, oil inlet pipe 1-13 in the piston rod 1-8 passes through the side oil circuit 1-13 ' of oil cylinder up and down respectively, 1-13 " enters the inlet space of oil cylinder; the upper piston 1-22 of upper cylinder is moved downward; the piston 1-11 that makes down oil cylinder simultaneously is to top offset; meanwhile; oil pipe 1-12 passes through the side oil circuit 1-12 ' of oil cylinder up and down; 1-12 " carries out oil return, because of oil pipe 1-13 and oil pipe 1-12 are isobaric, piston 1-11 and piston 1-22 are homalographics, and their suffered pressure all is the same, and their displacement size also is the same during work.Upper piston 1-22 is downward, and lower piston 1-11 moves upward simultaneously.By up and down terminal pad 1-21 and 1-15 drive 1-17, the 1-19 bow pressing arm is expanded to horizontal direction along axle 1-18, and is promptly squeezed.When up and down bow pressing arm became specific degree angle, oil cylinder had reached the top up and down when squeezed, and the pressure of oil raises, and at this moment pressure reversal valve 1-30 opens, and makes piston rod 1-4 be with pressure block 1-1 to bottom offset, i.e. the compacting sediment.Ground hydraulic station control oil pipe 1-12 reclaims piston 1-22,1-11,1-4 after the compacting, finishes once squeezed work.Open one way valve 1-31 during oil return, enter by two-way valve 1-30 during oil-feed.
Control compacting oil cylinder can be with two kinds of valves, pressure reversal valve or solenoid operated directional valve.Pressure block 1-1 connects piston rod 1-4, at cylinder body guide cover 1-2, move up and down in the cylinder tube 1-3, cylinder cap 1-5 is connected with the last guide cover 1-9 of following oil cylinder, locking nut 1-7 tightly locks the piston rod 1-8 and the last guide cover 1-9 of following oil cylinder, pin 1-6 will pass the piston rod 1-8 end nut 1-7 that will be locked and fix, the last guide cover 1-9 of following oil cylinder is connected with cylinder barrel 1-10, the following guide cover 1-14 of following oil cylinder is connected with cylinder barrel 1-10, the piston 1-11 of following oil cylinder is interior along piston rod 1-8, outer cylinder barrel 1-10 moves up and down, the piston 1-11 of following oil cylinder connects terminal pad 1-15 down, by pivot pin 1-16,1-18,1-20 drives three couples of bow pressing arm 1-17, the 1-19 upper and lower displacement, three pairs of bow pressing arms make upper and lower displacement convert lateral displacement to by pivot pin, carry out squeezed recovery along the horizontal direction of axle 1-18.Upper cylinder is basic identical with following oil cylinder motion and working method.
Fig. 5 illustrates connector 3 sectional views, be former steel cable to be connected change the steel pipe that leaves the gap into and connect (cross section of steel pipe can be circular also can be square), steel pipe is that one one ground connects, when mutual socket, it is big that want in the gap, and 3-1 connects with pivot pin, like this, dismounting is all convenient, can transmit also energy measurement hole depth of pulling force, tough pulling force.When connector 3 is connected with squeezed head 1, connect by one or two pivot pin 3-1.
Whirligig 2 as shown in Figure 3 and Figure 4, its rotation matrix 2-4 is placed on the reference block 2-1, pressure bearing 2-2, bearing 2-3 is respectively between reference block 2-1 and rotation matrix 2-4, on rotation matrix 2-4, three locking cylinder 2-5 are arranged, latch segment 2-6 is arranged on the piston rod of locking cylinder 2-5, and two rotary oil cylinder 2-8 are connected in reference block 2-1 and rotation matrix 2-4 respectively by pivot pin 2-7.Be connected in parallel four six roots of sensation oil pipe 2-10 parallel connections of linking 6, three locking cylinders of hydraulic workstation into and out of oil pipe 2-9 are linked on the hydraulic workstation, by pivot pin 2-11 reference block are linked to each other with crane 7.When certain depth is arrived in 3 times holes of connector, connector locking, like this, rotary oil cylinder 2-8 works by locking cylinder 2-5, make connector rotate an angle, following squeezed head 1 is just once squeezed, unclamps again, rotates an angle again, pass through locking cylinder 2-5 again connector locking, following squeezed head 1 is once squeezed again, so repeatedly, has so just finished a plurality of trident die cavities.
Fig. 6 illustrates the functional-block diagram of electronic measurement and control device, pressure sensor 5-2 in the electronic measurement and control device 5 is the squeezed force value of reflection in real time, produce jamproof numerical frequency signal by signal amplifier 5-3 and V/F converter 5-4, enter single chip microcomputer through long line transmission and measure controller 5-5, after single chip microcomputer 5-5 processing, be sent to notebook computer 5-6.Flow transmitter 5-1 reflects Hydraulic Station flow status value in real time, by signal amplifier 5-3 and V/F converter 5-4, produce jamproof numerical frequency signal, enter single chip microcomputer through long line transmission and measure controller 5-5, after the single chip microcomputer processing, be sent to notebook computer 5-6.The software systems that this device uses are in two sub-sections:
First, the Industry Control single chip microcomputer is adopted in following machine drawing, adopts assembler language, measures processing in real time, is transported to the work of notebook computer Windows98 platform by Rs232 serial LI.
Second portion, notebook computer is adopted in last machine drawing, adopt the VB language, in the work of Windows98 platform, figure shows pressure, flow and angle X-Y scheme signal in real time, and can store figure, can store all pressure, flow and the angle value of several dishes in the pile, can send by the telephone wire online, the situation real time reaction that makes site work also can be told general headquarters by phone 5-7 to general headquarters.Thereby make the quality of stake that good assurance arranged.

Claims (5)

1. the extruding-spreading device of more piece trident extruded and extended pile, it comprises squeezed head, crane, the electronic measurement and control device, rotating part, connector, oil pipe, it is characterized in that connector (3) one ends connect hoist lifting hook, the connector other end is connected with squeezed head (1) with pivot pin (3-1) by the center of whirligig (2), two oil pipes (4) of squeezed head are linked hydraulic workstation (6) by crane (7), hydraulic workstation (6) connects the pressure sensor (5-2) and the flow transmitter (5-1) of electronic measurement and control device (5), and electronic measurement and control device (5) and hydraulic workstation (6) all are placed on the crane (7).
2. extruding-spreading device according to claim 1 is characterized in that the oil inlet pipe (1-13) at described squeezed head (1) center links to each other with two oil pipes (4) respectively with oil return pipe (1-12).There is attachment cap (1-29) oil inlet pipe (1-13) and oil return pipe (1-12) topmost outside, last attachment cap (1-28) is arranged under it, there is pin (1-27) to be connected in its cap with nut (1-26), the piston rod (1-8) of oil inlet pipe (1-13) and oil return pipe (1-12) outside is fixing, be connected with the last guide cover (1-25) of upper cylinder below the last attachment cap (1-28), the outer cylinder barrel (1-24) that oils of last guide cover (1-25), the following guide cover (1-23) that upper cylinder is arranged below it, the upper piston (1-22) that upper cylinder is arranged in it, last terminal pad (1-21) is arranged below the upper piston of upper cylinder (1-22), three pivot pins (1-20) are arranged in it, go up bow pressing arm (1-19) and three following bow pressing arms (1-17) and three middle pivot pins (1-18) for three, following terminal pad (1-15) connects the lower piston (1-11) of oil cylinder down, its outer following guide cover (1-14) that following oil cylinder is arranged, following cylinder tube (1-10) is arranged under it, the lower piston of following oil cylinder (1-11), the last guide cover (1-9) that following oil cylinder is arranged below it, the last guide cover (1-9) of oil cylinder was all in following cylinder tube (1-10) under lower piston (1-11) reached, piston rod (1-8) as center-pole through up and down oil cylinder and the center of terminal pad up and down, there is pin (1-6) lower end of piston rod (1-8), by nut (1-7) piston rod (1-8) is locked, oil inlet pipe (1-13) end has one way valve (1-31) and reversal valve (1-30), reversal valve can or be used solenoid operated directional valve with the pressure reversal valve, oil return pipe (1-12) is linked in the following compacting cylinder tube (1-3), compacting cylinder tube (1-3) is in piston rod (1-4) outside of piston, guide cover (1-2) is arranged below the piston rod (1-4), pressure block (1-1) is arranged below the guide cover (1-2).
3. device according to claim 1, it is characterized in that two high-pressure oil pipes (4) of described hydraulic workstation (6) are linked to the pressure sensor (5-2) and the flow transmitter (5-1) of electronic measurement and control device (5) respectively, they are connected with signal amplifier (5-3) respectively again, signal amplifier (5-3) links to each other with V/F converter (5-4), singlechip computer system (5-5) and notebook computer (5-6), phone (5-7) links to each other with notebook computer (5-6).
4. device according to claim 1, it is characterized in that described connector (3) inserts the attachment cap (1-29) of squeezed head (1) by lower connecting rod (3-2), connect by two pivot pins (3-1) again, lower connecting rod (3-2) inserts upper connecting rod (3-3) and connects by pivot pin (3-1), during connection, lower connecting rod (3-2) leaves big gap and lower connecting rod (3-2) and attachment cap (1-29) and pivot pin (3-1) and attachment cap (1-29) with upper connecting rod (3-3), upper connecting rod (3-3) all leaves big gap, and connector (3) is a more piece.
5. device according to claim 1, the rotation matrix (2-4) that it is characterized in that described whirligig (2) is placed on the reference block (2-1), pressure bearing (2-2), bearing (2-3) is respectively between reference block (2-1) and rotation matrix (2-4), three locking cylinders (2-5) are installed on the rotation matrix (2-4), latch segment (2-6) is installed on the piston rod of locking cylinder (2-5), two rotary oil cylinders (2-8) are linked reference block (2-1) and rotation matrix (2-4) respectively by pivot pin (2-7), four that are connected in parallel are advanced, flowline (2-9) is linked hydraulic workstation (6), six roots of sensation oil pipe (2-10) parallel connection of three locking cylinders is linked on the hydraulic workstation (6), by pivot pin (2-11) reference block (2-1) is linked to each other with crane (7).
CNB001299387A 2000-10-19 2000-10-19 Extruding and extending mechanism for sectional Y-shaped extruded and extended pile Expired - Fee Related CN1139697C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB001299387A CN1139697C (en) 2000-10-19 2000-10-19 Extruding and extending mechanism for sectional Y-shaped extruded and extended pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB001299387A CN1139697C (en) 2000-10-19 2000-10-19 Extruding and extending mechanism for sectional Y-shaped extruded and extended pile

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CN1350097A CN1350097A (en) 2002-05-22
CN1139697C true CN1139697C (en) 2004-02-25

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CNB001299387A Expired - Fee Related CN1139697C (en) 2000-10-19 2000-10-19 Extruding and extending mechanism for sectional Y-shaped extruded and extended pile

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102071685B (en) * 2011-01-28 2012-10-03 李征 Hydraulic extruding and expanding device and method for pile foundation
CN108068727B (en) * 2016-12-30 2024-01-16 安波福中央电气(上海)有限公司 High-pressure through-cylinder connector

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Denomination of invention: Extruding and extending mechanism for sectional Y-shaped extruded and extended pile

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