CN2818553Y - Distance adjuster of hydraulic vibration piling sinking apparatus - Google Patents
Distance adjuster of hydraulic vibration piling sinking apparatus Download PDFInfo
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- CN2818553Y CN2818553Y CN 200520050203 CN200520050203U CN2818553Y CN 2818553 Y CN2818553 Y CN 2818553Y CN 200520050203 CN200520050203 CN 200520050203 CN 200520050203 U CN200520050203 U CN 200520050203U CN 2818553 Y CN2818553 Y CN 2818553Y
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- oil cylinder
- eccentric
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- control oil
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Abstract
The utility model relates to a vibration piling sinking machine, particularly an eccentric distance adjuster of a vibration piling sinking machine. The utility model is characterized in that an eccentric oil cylinder 1 is tightly fixed and connected with a revolving shaft C; the end of a piston rod 21 of the eccentric oil cylinder 1 is fixedly provided with an eccentric block 2 through a screw thread; a synchronous control oil cylinder 5 is connected with a connecting rod 33 in a rigid mode through a connecting rod connecting seat 32 and a nut 31 of a rigid connection body 6; oil mouths G, H of the synchronous control oil cylinder 5 are connected with oil mouths A, D of the corresponding eccentric oil cylinder 1 through an oil circuit A-B-C and D-E-F with the same structure and the same passing path; the two oil mouths G, H respectively provided with a rod cavity of the synchronous control oil cylinder 5 are connected in parallel and are connected with an external control system. The utility model reduces the vibration and the noise of the existing vibration piling sinking machine, purifies the job environment and extends the service life of equipment.
Description
Technical field:
This reality novel the hydraulic vibration extracting-driving pile machine that relates to, the particularly adjusting device of hydraulic vibration extracting-driving pile machine eccentricity.
Background technology:
Vibratory pile drive and extractor is to make the eccentric block revolution cause exciting by electronic or hydraulic-driven, makes the Pile Soil forced vibration, and to reduce the resistance between the stake soil, realization is pressed into stake in the ground or from ground and extracts.Because starting and shutting down two transition stages, vibration frequency must be passed through pile frame natural frequency district, causes pile frame to resonate and generation noise and vibration, and equipment and environment are all caused damage.All be to utilize moving axially of large helix angle double helical spurgear both at home and abroad at present, make two groups of relative rotations of gear with its engagement, thereby drive the eccentric block rotation, make every pair mutually between the eccentric block of the gear driven of rotation angle change, to realize the step-less adjustment eccentricity.But in transferring the square process, it is more than four times of design maximum torque that the suffered theoretical peak of travelling gear is changeed, and be to come this moment of balance by the tangential component that moves axially generation, add that adjustment process exists instant impact to make key components and parts be damaged easily, has restricted the raising of vibrohammer reliability.
Summary of the invention:
The purpose of this utility model is: provide a kind of hydraulic vibration extracting-driving pile machine to transfer moment device, to reduce the vibration and the noise of existing vibratory pile drive and extractor, purify operating environment, improve the application life of equipment.
The technical solution used in the present invention is seen Fig. 1: utilize the mobile and resistance to compression feature of fluid, adopt the fluid that a Synchronization Control oil cylinder 5 is regulated and control the equal fully and not connected eccentric oil cylinder 1 of two inner chambers; It is characterized in that:
Eccentric oil cylinder 1 is fastenedly connected with gyroaxis c; Piston rod 21 ends of eccentric oil cylinder 1 are by screw thread fixed installation eccentric block 2;
Synchronization Control oil cylinder 5 is rigidly connected by connecting rod Connection Block 32, nut 31 and the connecting rod 33 of the body 6 that is rigidly connected; Adopt the oil circuit A-B-C of same structure, identical latus rectum to link to each other between hydraulic fluid port G, the H of Synchronization Control oil cylinder 5 and its corresponding eccentric oil cylinder 1 hydraulic fluid port A, the D with D-E-F; Article two, rod chamber hydraulic fluid port G, the H of Synchronization Control oil cylinder 5 are in parallel and be connected with external control system;
Eccentric oil cylinder 1 and the eccentric block 2 that drives thereof are driven by rotary motor, respectively wraparound rotating shaft c revolution; Because eccentric block 2 produces linear movements with the relative cylinder bodies 24 of piston rod 21, thereby eccentric block 2 can steplessly change with respect to the radius of gyration of gyroaxis c, thus the adjusting eccentric moment;
The oil pressure effect of no spring cavity a makes the piston rod 21 drive eccentric blocks 2 of eccentric oil cylinder 1 be withdrawn into terminal point, then is zero eccentricity; When no spring cavity a release of pressure, in cylinder, under the effect of primer spring 4, make eccentric block 2 beginning offset from zero eccentricity positions; The no spring cavity a of eccentric thereupon oil cylinder 1 is communicated with the rodless cavity d of Synchronization Control oil cylinder 5 by oil circuit A-B-C, D-E-F respectively; The rod chamber of Synchronization Control oil cylinder 5 is communicated with external control fluid by hydraulic fluid port P;
Synchronization Control oil cylinder 5 parallel controlling, piston rod 35 ends connect by the body 6 that is rigidly connected, so that the two-piston bar is synchronized with the movement fully.Because the flowability and the very strong resistance to compression of fluid, being synchronized with the movement of two Synchronization Control oil cylinder piston bars 35 promptly controlled two eccentric oil cylinder piston bars 21 and has been synchronized with the movement, and realized the adjusted in concert of eccentricity;
Revolving body b is with gyroaxis c high speed rotary, and Synchronization Control oil cylinder 5 is non-revolved bodies, so pipeline A-B-C and D-E-F must be provided with back rotation sealing 3 at the revolving body interface.
Advantage of the present utility model and good effect are: reduced the vibration and the noise of existing vibratory pile drive and extractor, purified operating environment, improved the application life of equipment.Specifically: 1., adopt hydraulic cylinder directly to drive, not only simplify the structure, and overcome the problem of transferring square mechanism force-bearing situation badly to cause the equipment dependability difference in the existing correlation technique fully owing to do not have gear drive in the accent square mechanism.
2. owing to making full use of the advantage that hydraulic drive can be born heavy load, even under the condition of very big exciting force, also can conveniently transfer square.
3. this accent square method provides reliable guidance for environment-friendly type operation and the stepless accent square that the hydraulic vibration pile sinking does not have the resonance construction with the high-efficient homework that adapts to the variation of foundation soil condition.
Description of drawings:
Fig. 1: the utility model hydraulic vibration extracting-driving pile machine is transferred the control principle schematic diagram of moment device;
Fig. 2: eccentric cylinder structure figure of the present utility model, the cylinder body 24 of eccentric oil cylinder 1 is fastenedly connected with the gyroaxis c that motor drives; Piston rod 21 is fastenedly connected with piston 23; The screw thread at piston rod 21 two ends is used for fixing setting-up eccentricity piece 2, and a side of piston 23 is subjected to the effect of spring 4, and opposite side is subjected to the oil pressure effect of airtight oil pocket, and the oil of airtight oil pocket communicates with eccentric oil cylinder by hydraulic fluid port A, D.Piston rod 21 positions are zero eccentric positions, and this moment, the oil pressure active force that overcomes spring 4 of seal oil chamber was pushed into extreme position with piston rod 21.This eccentric oil cylinder 1 has been applied to ZZY160 type hydraulic vibration extracting-driving pile machine.
Fig. 3: the connection layout of Synchronization Control oil cylinder of the present utility model.Synchronization Control oil cylinder 5 is rigidly connected by connecting rod Connection Block 32, nut 31 and the connecting rod 33 of the body 6 that is rigidly connected; Adopt the oil circuit A-B-C of same structure, identical latus rectum to link to each other between hydraulic fluid port C, the F of Synchronization Control oil cylinder 5 and its corresponding eccentric oil cylinder 1 hydraulic fluid port A, the D with D-E-F; Article two, rod chamber hydraulic fluid port G, the H of Synchronization Control oil cylinder 5 are in parallel and be connected with external control system.Be fully retracted in the cylinder and keep under the motionless condition at the piston rod 35 that is rigidly connected two Synchronization Control oil cylinders 5, in the airtight oil pocket between Synchronization Control oil cylinder 5 and the eccentric oil cylinder 1, fully fill with hydraulic oil, make spring 4 be in compression,metal-to-metal position, promptly piston 23 is withdrawn fully.
The specific embodiment:
The utility model hydraulic vibration extracting-driving pile machine transfers the moment device course of work as follows:
1. before revolving body b begins revolution, the external hydraulic oil of hydraulic fluid port P, the piston rod 35 that pressure oil drives Synchronization Control oil cylinder 5 shrinks, the body 6 that is rigidly connected has guaranteed that piston rod 35 is synchronized with the movement, thereby sealing fluid is pressed into no spring cavity a respectively, make eccentric block 2 place zero eccentric position, this moment, hydraulic control system made revolving body b begin to rise to working speed from zero, in this revolution starting process, because the eccentricity of eccentric revolving body is zero, so vibration does not produce, realize that friction runs up, the process pile frame of having avoided running up resonance.
2. revolving body b rotating speed reaches after the working speed w, hydraulic control system makes the P mouth take back oil, the oil pressure that does not then have spring cavity a is reduced near zero, under the effect of spring 4, the eccentric position of eccentric block 2 offset from zero, this moment, eccentric block was pushed into the maximum eccentric position rapidly because of being subjected to centrifugal action, and revolving body b enters the normal vibration duty.
3. before hydraulic control system control revolving body b stall; at first to make hydraulic fluid port P connected tank; then with 1. to go on foot process the same; eccentric block 2 is synchronized with the movement to zero eccentric position; revolving body b stops vibration; then, hydraulic control system makes revolving body b rotating speed by working speed w vanishing, has realized not having resonance and has shut down.
Claims (1)
1. a hydraulic vibration extracting-driving pile machine is transferred moment device, it is characterized in that:
Eccentric oil cylinder (1) is fastenedly connected with gyroaxis c; Piston rod (2) end of eccentric oil cylinder (1) fixedly mounts eccentric block (2) by screw thread;
Synchronization Control oil cylinder (5) is rigidly connected by connecting rod Connection Block (32), nut (31) and the connecting rod (33) of the body that is rigidly connected (6); Adopt the oil circuit A-B-C of same structure, identical latus rectum to link to each other between hydraulic fluid port G, the H of Synchronization Control oil cylinder (5) and its corresponding eccentric oil cylinder (1) hydraulic fluid port A, D with D-E-F; Article two, rod chamber hydraulic fluid port G, the H of Synchronization Control oil cylinder (5) are in parallel and be connected with external control system;
Eccentric oil cylinder (1) and the eccentric block (2) that drives thereof are driven by rotary motor, respectively wraparound rotating shaft c revolution; Since eccentric block (2) with piston rod (21) relatively cylinder body (24) produce linear movement, thereby eccentric block (2) can steplessly change with respect to the radius of gyration of gyroaxis c, thereby regulates eccentric moment;
The oil pressure effect of no spring cavity a makes piston rod (21) the drive eccentric block (2) of eccentric oil cylinder (1) be withdrawn into terminal point, then is zero eccentricity; When no spring cavity a release of pressure, under the effect of primer spring in cylinder (4), make eccentric block (2) beginning offset from zero eccentricity position; The no spring cavity a of eccentric thereupon oil cylinder (1) is communicated with the rodless cavity d of Synchronization Control oil cylinder (5) by oil circuit A-B-C, D-E-F respectively; The rod chamber of Synchronization Control oil cylinder (5) is communicated with external control fluid by hydraulic fluid port P;
Synchronization Control oil cylinder (5) is parallel to be controlled, and piston rod (35) end connects by the body that is rigidly connected (6), so that the two-piston bar is synchronized with the movement fully.Because the flowability and the very strong resistance to compression of fluid, being synchronized with the movement of two Synchronization Control oil cylinder piston bars (35) promptly controlled two eccentric oil cylinder piston bars (21) and has been synchronized with the movement, and realized the adjusted in concert of eccentricity;
Revolving body b is with gyroaxis c high speed rotary, and Synchronization Control oil cylinder (5) is a non-revolved body, so pipeline A-B-C and D-E-F must be provided with back rotation sealing (3) at the revolving body interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050203 CN2818553Y (en) | 2005-01-31 | 2005-01-31 | Distance adjuster of hydraulic vibration piling sinking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050203 CN2818553Y (en) | 2005-01-31 | 2005-01-31 | Distance adjuster of hydraulic vibration piling sinking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818553Y true CN2818553Y (en) | 2006-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520050203 Expired - Fee Related CN2818553Y (en) | 2005-01-31 | 2005-01-31 | Distance adjuster of hydraulic vibration piling sinking apparatus |
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| CN (1) | CN2818553Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2194191A1 (en) * | 2008-12-04 | 2010-06-09 | Fistuca B.V. | A vibratory mechanism for a pile driver and a pile driver |
| CN101886389A (en) * | 2010-06-24 | 2010-11-17 | 河海大学常州校区 | Control system for eccentric moment and striking frequency of vibrating pile driver |
| CN105757021A (en) * | 2016-04-26 | 2016-07-13 | 徐州五洋科技股份有限公司 | Exciting-force-variable eccentric device |
| CN109469451A (en) * | 2018-12-28 | 2019-03-15 | 中国水电基础局有限公司 | A kind of vibrational structure, hydraulic tube drawing bench and application method using vibrating mechanism |
-
2005
- 2005-01-31 CN CN 200520050203 patent/CN2818553Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2194191A1 (en) * | 2008-12-04 | 2010-06-09 | Fistuca B.V. | A vibratory mechanism for a pile driver and a pile driver |
| WO2010063764A1 (en) * | 2008-12-04 | 2010-06-10 | Fistuca B.V. | A vibratory mechanism for a pile driver and a pile driver |
| CN101886389A (en) * | 2010-06-24 | 2010-11-17 | 河海大学常州校区 | Control system for eccentric moment and striking frequency of vibrating pile driver |
| CN101886389B (en) * | 2010-06-24 | 2011-12-21 | 河海大学常州校区 | Control system for eccentric moment and striking frequency of vibrating pile driver |
| CN105757021A (en) * | 2016-04-26 | 2016-07-13 | 徐州五洋科技股份有限公司 | Exciting-force-variable eccentric device |
| CN105757021B (en) * | 2016-04-26 | 2017-08-25 | 徐州五洋科技股份有限公司 | A kind of variable eccentric of exciting force |
| CN109469451A (en) * | 2018-12-28 | 2019-03-15 | 中国水电基础局有限公司 | A kind of vibrational structure, hydraulic tube drawing bench and application method using vibrating mechanism |
| CN109469451B (en) * | 2018-12-28 | 2024-02-13 | 中国水电基础局有限公司 | Vibration structure, hydraulic tube drawing machine applying vibration mechanism and use method |
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| 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 |