CN101581096B - Eccentric moment adjustable hydraulic vibrohammer - Google Patents
Eccentric moment adjustable hydraulic vibrohammer Download PDFInfo
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- CN101581096B CN101581096B CN2009100531480A CN200910053148A CN101581096B CN 101581096 B CN101581096 B CN 101581096B CN 2009100531480 A CN2009100531480 A CN 2009100531480A CN 200910053148 A CN200910053148 A CN 200910053148A CN 101581096 B CN101581096 B CN 101581096B
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Abstract
The invention relates to an eccentric moment adjustable hydraulic vibrohammer. A vibration generator comprises a box body, an eccentric moment adjusting mechanism, a sub vibration mechanism and a hydraulic drive mechanism comprising hydraulic motors and driving gears; wherein, the sub vibration mechanism is provided with two sub vibrators with oriented inertia in dual spindle parallel and coaxial combination at the front and rear which are respectively driven by two hydraulic motors through two driving gears, the sub vibration mechanism is also provided with an adaptive eccentric moment adjusting mechanism correspondingly, and continuous stepless adjusting control of 0-maxium and maxium-0 of the eccentric moment is realized by controlling the telescopic position of a piston rod by controlling fuel delivery from a hydraulic cylinder to a large cavity or a small cavity, thus realizing optional adjusting control of working amplitude of the hydraulic vibrohammer, meeting high efficiency construction requirement under different geological conditions and overcoming the disadvantage that the hydraulic vibrohammer needs to pass through a resonance region in both starting and stopping, thereby being beneficial to ensuring the effective service life of the hydraulic vibrohammer structure and improving work efficiency and work applicability with strong practicability.
Description
Technical field
The present invention relates to a kind of mechanical execution equipment, the eccentric moment adjustable hydraulic vibrohammer that uses in the construction of particularly a kind of heavy pile pulling that is suitable for being provided with in the construction of building or structure base piling bars such as pile tube, H pile, sheet pile and cast-in-place concrete pile.
Background technology
At present in the foundation construction of building or structure, hydraulic vibrohammer commonly used in being provided with particularly such as the work progress of the heavy pile pulling of piling bars such as pile tube, H pile, sheet pile and cast-in-place concrete pile because have the vibration frequency height, the vibration wave decay is fast, influence basin is little and the generation noise is also little etc., and advantage is widely used in the foundation construction of densely populated City Building.But find in practice, the hydraulic vibrohammer of existing structure form is gone back ubiquity two big defectives at present and waited to improve: the first is owing to all will pass through resonance zone when starting and stop, produce resonant frequency, except that meeting causes producing the noise pollution, also can make equipment bear additional load, influence the useful working life of hydraulic vibrohammer structural member; Two to be that amplitude is fixed for it, can't satisfy during use at different geological conditionss select different best amplitudes for use, to realize the requirement of best efficiency of construction.This two big weak point, this has restricted the raising and the work applicability of the giving full play to of properties of product, actual effect to a certain extent, thereby considers still to owe desirable from practicality and economy angle.
Summary of the invention
The objective of the invention is to solve the existing existing weak point of hydraulic vibrohammer; provide a kind of amplitude stepless adjustable continuously; can avoid producing covibration when startup and parking, help improving the work applicability, guarantee the operate as normal life-span of mechanical component and the eccentric moment adjustable hydraulic vibrohammer of increasing work efficiency.
Eccentric moment adjustable hydraulic vibrohammer main body of the present invention includes fluid power system, vibrator and damper mechanism, be characterised in that and comprise the eccentric moment adjusting mechanism that is provided with casing and is arranged on box house in the vibrator, divide shake mechanism and the hydraulic drive mechanism that includes hydraulic motor and driving gear, wherein: described eccentric moment adjusting mechanism includes by bigger end and the adjustment axle that constitutes than small end, be fixedly installed on described adjust on the bigger end of axle leading portion rectangular coil external splines and than the back segment rectangular coil external splines on the small end, coupling is mounted on described leading portion rectangular coil external splines and places outward, hydraulic jack with big chamber and loculus is housed in the last band in including, the hydraulic component that is controlled by the piston rod of interior big chamber of hydraulic jack and loculus is provided with the preceding helical spline cover of sleeve and mates and is arranged on the rear screw spline housing that described back segment rectangular coil external splines is placed outward, and the preceding adjustment gear that puts of helical spline and be arranged on back adjustment gear on the rear screw spline housing before being mounted on by taper roll bearing, herein, the rotation direction of described leading portion rectangular coil external splines is opposite with the rotation direction of described back segment rectangular coil external splines, and the internal diameter of described leading portion rectangular coil external splines is greater than the external diameter of described back segment rectangular coil external splines; Described branch shakes mechanism by casing, be arranged on two eccentric shaft A and B between the casing front and back sides, by the fixedly synchromesh gear A on front end one side shaft that is fixedly installed on two eccentric shaft A and B respectively and B and the fixing preceding branch that constitutes of eccentric body A and the B device that shakes, by the fixedly eccentric body C that is fixedly installed on respectively on described two eccentric shaft A and B rear end one side shaft, D and respectively movable set be arranged on movable synchromesh gear A and B on described two eccentric shaft A and B rear end one side shaft, and movable set is arranged on the interlude axle between described fixedly synchromesh gear A and B and movable synchromesh gear A and the B, and be mounted on back branch that the movable eccentric body on the described movable synchromesh gear side the constitutes device that shakes by pin and bolt and constitute; The described hydraulic drive mechanism that includes hydraulic motor and driving gear is provided with preceding group of hydraulic drive mechanism that is made of front wheel driving motor and preceding driving gear and the back group of hydraulic drive mechanism that is made of rear drive motor and rear drive gear.
Under confined state, described hydraulic drive mechanism is arranged on the side of eccentric shaft B, preceding driving gear on it be arranged on eccentric shaft B on the corresponding engagement of fixedly synchromesh gear B, rear drive gear be arranged on eccentric shaft B on the corresponding engagement of movable synchromesh gear B; Described eccentric moment adjusting mechanism is arranged on the side by eccentric shaft A, the corresponding engagement of fixedly synchromesh gear A on the preceding adjustment gear on it and the eccentric shaft A, and the corresponding engagement of movable synchromesh gear A on gear and the eccentric shaft A is adjusted in the back; Piston rod on the hydraulic jack links to each other by the end of thrust bearing with the bigger end of adjusting axle.
During work, adjustment axle in the eccentric moment adjusting mechanism is subjected to the piston rod traction control on the hydraulic jack to carry out axially displaced action, and by front and back spiral external splines and the rotation relatively or contrarily of the corresponding adjustment of spline housing drive gear do thereof, drive corresponding branch simultaneously and shake that the eccentric shaft of band eccentric block rotates on the device, make between two eccentric blocks and produce variable angle, otherwise order about that its inertia force diminishes or, reach the bending moment purpose.Under off working state at ordinary times, two eccentric blocks all are under action of gravity on vertically downward the position, and piston rod is in and pushes away on the position that reaches the end, and this moment, eccentric moment be a maximum; During startup, by hydraulic jack to the loculus fuel feeding, piston rod is driven return, adjust the axle be drawn out thereupon, each opposing revolving of front and back rectangular coil external splines that adjust on the axle this moment turn 90 degrees, two eccentric blocks also respectively rotate 90 degree thereupon, and two eccentric blocks are on same the straight line of reversed arrangement, and inertia force is cancelled each other, this moment, eccentric moment was zero, thereby realized the stepless continuous regulation and control of eccentric moment by " maximum-0 "; When hydraulic jack alters course big chamber fuel feeding, order about piston rod overhanging, will adjust in the axle and push away, two eccentric blocks return in the same way on downward vertically the position, at this moment, eccentric moment be maximum, realizes that eccentric moment regulated and control by the stepless continuous of " 0-maximum ".So, just can control the telescopic location of piston rod to the fuel delivery control of big chamber or loculus by regulating the control hydraulic jack, realize that eccentric moment is by " 0-maximum " with by the stepless continuous adjustable control of " maximum-0 ", thereby realize the optional as required adjusting control of the working amplitude of hydraulic vibrohammer, satisfy the efficient construction requirement under the different geological conditionss.
Eccentric moment adjustable hydraulic vibrohammer of the present invention based on above-mentioned design, owing to device that branch is shaken is arranged to the twin shaft parallel connection, two branch vibrators of coaxial combination with directed inertia, drive respectively by two driving gears by two hydraulic motors, and relative set suitable with it eccentric moment adjusting mechanism, during work, by regulating the telescopic location of control oil cylinder to the fuel delivery control piston bar of big chamber or loculus, the realization eccentric moment is regulated control by " 0-maximum " with by the continuous stepless of " maximum-0 ", thereby realize the optional adjusting control of the working amplitude of hydraulic vibrohammer, satisfy the efficient construction requirement under the different geological conditionss, also efficiently solving simultaneously hydraulic vibrohammer all will be through the weak point of resonance zone when starting and stop, help guaranteeing the useful working life of hydraulic vibrohammer structural member, increase work efficiency and improve the work applicability, thereby have tangible technological progress, very strong practicality and wide market application prospect.
Description of drawings
Fig. 1 is the basic structure schematic diagram of the embodiment of the invention;
Fig. 2 is an eccentric moment adjusting mechanism structural representation in the embodiment of the invention;
Fig. 3 is an exciter structure schematic diagram in the embodiment of the invention.
Among the figure:
1. fluid power system 2. vibrators 3. damper mechanisms 4. casings
5. eccentric moment adjusting mechanism mechanism's 7. hydraulic motor 7-1. front wheel driving motors that shook in 6. minutes
7-2. driving gear 8-2. rear drive gear before the rear drive motor 8. driving gear 8-1.
9. organize hydraulic drive mechanism behind the group hydraulic drive mechanism 9-2. before the hydraulic drive mechanism 9-1.
10. bigger end 11. is adjusted axle 13. leading portion rectangular coil external splines than small end 12.
14. back segment rectangular coil external splines 15. hydraulic jacks 16. piston rods 17. sleeves
18. preceding helical spline overlaps 19. rear screw spline housings, 20. taper roll bearings
21. gear 23. eccentric shaft A 24. eccentric shaft B are adjusted in preceding adjustment gear 22. backs
25. the fixing fixing fixing eccentric body A of synchromesh gear B 27. of synchromesh gear A 26.
28. fixedly fix before the eccentric body B 29. and divide the fixedly eccentric body C of device 30. that shakes
31. fixing eccentric body D 32. movable synchromesh gear A 33. movable synchromesh gear B
34. movable device 37. thrust bearings that shake that divide in movable eccentric body A 35. movable eccentric body B, 36. backs
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and exemplary embodiments.
At Fig. 1, among Fig. 2 and Fig. 3, eccentric moment adjustable hydraulic vibrohammer main body of the present invention includes fluid power system 1, vibrator 2 and damper mechanism 3, be characterised in that and comprise the eccentric moment adjusting mechanism 5 that is provided with casing 4 and is arranged on casing 4 inside in the vibrator 2, divide shake mechanism 6 and the hydraulic drive mechanism 9 that includes hydraulic motor 7 and driving gear 8, wherein: described eccentric moment adjusting mechanism 5 includes by bigger end 10 and the adjustment axle 12 that constitutes than small end 11, be fixedly installed on the leading portion rectangular coil external splines 13 on the described bigger end 10 of adjusting axle 12 and be arranged on than the back segment rectangular coil external splines 14 on the small end 11, coupling is mounted on described leading portion rectangular coil external splines 13 outer placing, hydraulic jack 15 with big chamber and loculus is housed in the last band in including, preceding helical spline cover 18 and coupling that the hydraulic component that is controlled by the piston rod 16 of big chamber in the hydraulic jack 15 and loculus is provided with sleeve 17 are arranged on the described back segment rectangular coil external splines 14 outer rear screw spline housings of placing 19, and the preceding adjustment gear 21 on the helical spline cover 18 and be arranged on back adjustment gear 22 on the rear screw spline housing 19 before being mounted on by taper roll bearing 20, herein, the rotation direction of described leading portion rectangular coil external splines 13 is opposite with the rotation direction of described leading portion rectangular coil external splines 14, and the internal diameter of described leading portion rectangular coil external splines 13 is greater than the external diameter of described back segment rectangular coil external splines 14; Described branch shakes mechanism 6 by casing 4, be arranged on two eccentric shaft A 23 and B 24 between casing 4 front and back sides, by the fixedly synchromesh gear A 25 on front end one side shaft that is fixedly installed on two eccentric shaft A 23 and B 24 respectively and B 26 and the fixing preceding fixedly branch that constitutes of eccentric body A 27 and B 28 device 29 that shakes, by the fixedly eccentric body C 30 that is fixedly installed on respectively on described two eccentric shaft A 23 and B 24 rear ends one side shaft, D 31 and respectively movable set be arranged on movable synchromesh gear A 32 and B 33 on described two eccentric shaft A 23 and B 24 rear ends one side shaft, and movable set is arranged on the interlude axle of 33 of described fixedly synchromesh gear A 25 and B 26 and movable synchromesh gear A 32 and B, and be mounted on movable eccentric body A 34 and B 35 on described movable synchromesh gear A 32 and B 33 sides by pin and bolt, and the back movable device 36 that shakes that divides that built-in rolling bearing constitutes constitutes; The described hydraulic drive mechanism 9 that includes hydraulic motor 7 and driving gear 8 is provided with preceding group of hydraulic drive mechanism 9-1 that is made of front wheel driving motor 7-1 and preceding driving gear 8-1 and the back group of hydraulic drive mechanism 9-2 that is made of rear drive motor 7-2 and rear drive gear 8-2.
Under confined state, described hydraulic drive mechanism 9 is arranged on the side of eccentric shaft B 24, preceding driving gear 8-1 on it be arranged on eccentric shaft B 24 on fixedly synchromesh gear B 26 corresponding engagements, rear drive gear 8-2 be arranged on eccentric shaft B 24 on movable synchromesh gear B 33 corresponding engagements; Described eccentric moment adjusting mechanism 5 is arranged on the side by eccentric shaft A 23, the movable synchromesh gear A 32 corresponding engagements on gear 22 and the eccentric shaft A 23 are adjusted in fixedly synchromesh gear A 25 corresponding engagements on preceding adjustment gear 21 on it and the eccentric shaft A 23, back; Piston rod 16 on the hydraulic jack 15 links to each other by the end of thrust bearing 37 with the bigger end 10 of adjusting axle 12.
Claims (4)
1. eccentric moment adjustable hydraulic vibrohammer, include fluid power system (1), vibrator (2) and damper mechanism (3), it is characterized in that comprising in the vibrator (2) and be provided with casing (4) and be arranged on the inner eccentric moment adjusting mechanism (5) of casing (4), divide and shake mechanism (6) and include hydraulic motor (7) and the hydraulic drive mechanism (9) of driving gear (8), wherein:
A. described eccentric moment adjusting mechanism (5) includes by bigger end (10) and the adjustment axle (12) that constitutes than small end (11), be fixedly installed on the leading portion rectangular coil external splines (13) on the described bigger end (10) of adjusting axle (12) and be arranged on than the back segment rectangular coil external splines (14) on the small end (11), coupling is mounted on outside the described leading portion rectangular coil external splines (13) and places, be equipped with in including with the hydraulic jack (15) of big chamber and loculus in the last band and be controlled by big chamber in the hydraulic jack (15) and preceding helical spline cover (18) and coupling that the hydraulic component of the piston rod (16) of loculus is provided with sleeve (17) are arranged on the rear screw spline housing (19) that described back segment rectangular coil external splines (14) is placed outward, and be mounted on the preceding adjustment gear (21) on the preceding helical spline cover (18) and be arranged on back adjustment gear (22) on the rear screw spline housing (19) by taper roll bearing (20);
The rotation direction of b. described leading portion rectangular coil external splines (13) is opposite with the rotation direction of described back segment rectangular coil external splines (14);
The internal diameter of c. described leading portion rectangular coil external splines (13) is greater than the external diameter of described back segment rectangular coil external splines (14);
D. described branch shakes mechanism (6) by the two eccentric shaft A (23) and the B (24) that are arranged between casing (4) front and back sides, by fixedly synchromesh gear A (25) on front end one side shaft that is fixedly installed on two eccentric shaft A (23) and B (24) respectively and B (26), and the fixing preceding fixedly branch that constitutes of eccentric body A (27) and B (28) device (29) that shakes, by the fixedly eccentric body C (30) that is fixedly installed on respectively on described two eccentric shaft A (23) and B (24) rear end one side shaft, D (31) and respectively movable set be arranged on movable synchromesh gear A (32) and B (33) on described two eccentric shaft A (23) and B (24) rear end one side shaft, and movable set is arranged on the interlude axle between described fixedly synchromesh gear A (25) and B (26) and movable synchromesh gear A (32) and B (33), and be mounted on movable eccentric body A (34) and B (35) on described movable synchromesh gear A (32) and B (33) side by pin and bolt, and the back movable device (36) that shakes that divides that built-in needle bearing constitutes constitutes;
E. the described hydraulic drive mechanism (9) that includes hydraulic motor (7) and driving gear (8) is provided with preceding group of hydraulic drive mechanism (9-1) that is made of front wheel driving motor (7-1) and preceding driving gear (8-1) and the back group of hydraulic drive mechanism (9-2) that is made of rear drive motor (7-2) and rear drive gear (8-2).
2. eccentric moment adjustable hydraulic vibrohammer according to claim 1, it is characterized in that described hydraulic drive mechanism (9) is arranged on the side of eccentric shaft B (24), preceding driving gear (8-1) on it be arranged on eccentric shaft B (24) on the corresponding engagement of fixedly synchromesh gear B (26), rear drive gear (8-2) be arranged on eccentric shaft B (24) on the corresponding engagement of movable synchromesh gear B (33).
3. eccentric moment adjustable hydraulic vibrohammer according to claim 1, it is characterized in that described eccentric moment adjusting mechanism (5) is arranged on the side by eccentric shaft A (23), the corresponding engagement of movable synchromesh gear A (32) on gear (22) and the eccentric shaft A (23) is adjusted in the corresponding engagement of fixedly synchromesh gear A (25) on preceding adjustment gear (21) on it and the eccentric shaft A (23), back.
4. eccentric moment adjustable hydraulic vibrohammer according to claim 1 is characterized in that the piston rod (16) on the described hydraulic jack (15) links to each other by the end of thrust bearing (37) with the bigger end (10) of adjusting axle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100531480A CN101581096B (en) | 2009-06-16 | 2009-06-16 | Eccentric moment adjustable hydraulic vibrohammer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100531480A CN101581096B (en) | 2009-06-16 | 2009-06-16 | Eccentric moment adjustable hydraulic vibrohammer |
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| Publication Number | Publication Date |
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| CN101581096A CN101581096A (en) | 2009-11-18 |
| CN101581096B true CN101581096B (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100531480A Active CN101581096B (en) | 2009-06-16 | 2009-06-16 | Eccentric moment adjustable hydraulic vibrohammer |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798813A (en) * | 2010-03-18 | 2010-08-11 | 上海振中机械制造有限公司 | Construction method for sinking or pulling concrete preformed pile by using vibrohammer |
| KR101202535B1 (en) * | 2010-04-20 | 2012-11-19 | 이정호 | Vabratory ripper for heavy equipment |
| US8813589B2 (en) | 2010-11-22 | 2014-08-26 | Zhongsheng Tang | Eccentric moment stepless adjustable vibrating mechanism |
| CN103551297B (en) * | 2013-11-18 | 2015-09-23 | 农业部规划设计研究院 | A kind of Amplitude adjustable vibration excitation device |
| CN103994177B (en) * | 2014-05-27 | 2016-06-01 | 浙江永安工程机械有限公司 | Vibration hammer adjustable eccentric moment drives total one-tenth |
| CN109252520B (en) * | 2018-10-31 | 2020-10-27 | 无锡坤龙工程机械有限公司 | Hydraulic vibration pile hammer box body with adjustable eccentric moment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693823Y (en) * | 2004-05-21 | 2005-04-20 | 北京建研机械科技有限公司 | Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer |
| CN2793161Y (en) * | 2005-05-20 | 2006-07-05 | 王振元 | Eccentric force moment adjusting mechanism of vibrator |
| CN2871650Y (en) * | 2006-03-20 | 2007-02-21 | 浙江振中工程机械股份有限公司 | Large vibrating pile hammer with adjusting eccentric force moment |
| CN200999344Y (en) * | 2006-12-28 | 2008-01-02 | 浙江振中工程机械股份有限公司 | Vibrating driving hammer eccentric moment guiding mechanism |
-
2009
- 2009-06-16 CN CN2009100531480A patent/CN101581096B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693823Y (en) * | 2004-05-21 | 2005-04-20 | 北京建研机械科技有限公司 | Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer |
| CN2793161Y (en) * | 2005-05-20 | 2006-07-05 | 王振元 | Eccentric force moment adjusting mechanism of vibrator |
| CN2871650Y (en) * | 2006-03-20 | 2007-02-21 | 浙江振中工程机械股份有限公司 | Large vibrating pile hammer with adjusting eccentric force moment |
| CN200999344Y (en) * | 2006-12-28 | 2008-01-02 | 浙江振中工程机械股份有限公司 | Vibrating driving hammer eccentric moment guiding mechanism |
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| CN101581096A (en) | 2009-11-18 |
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Effective date of registration: 20190902 Address after: 2000 93 9/F, 3255 Zhoujiazui Road, Yangpu District, Shanghai (Centralized Registration Place) Patentee after: Shanghai Zhenzhong Construction Machinery Technology Co., Ltd. Address before: 201308 No. 2518 Jiangshan Road, Heavy Equipment Industrial Zone, Lingang New Town, Nanhui District, Shanghai Patentee before: Shanghai Zhenzhong Machinery Manufacturing Co., Ltd. |