CN201437589U - Hydraulic vibrohammer with adjustable eccentric moment - Google Patents
Hydraulic vibrohammer with adjustable eccentric moment Download PDFInfo
- Publication number
- CN201437589U CN201437589U CN2009200763712U CN200920076371U CN201437589U CN 201437589 U CN201437589 U CN 201437589U CN 2009200763712 U CN2009200763712 U CN 2009200763712U CN 200920076371 U CN200920076371 U CN 200920076371U CN 201437589 U CN201437589 U CN 201437589U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- eccentric
- gear
- movable
- vibrohammer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a hydraulic vibrohammer with adjustable eccentric moment. A vibration exciter comprises a box body, eccentric moment adjusting mechanisms, a sub-vibration mechanism and a hydraulic driving mechanism which comprises hydraulic motors and driving gears, wherein the sub-vibration mechanism is formed by two sub-vibrators with directional inertia, which are arranged in parallel in a double-shaft way and are coaxially combined together at front and back; the two hydraulic motors are respectively driven by two driving gears, and are correspondingly provided with matched eccentric moment adjusting mechanisms; and the telescopic displacement of a piston rod is controlled by controlling the fuel delivery to the large cavity or the small cavity by the hydraulic cylinder, so the continuous infinitely variable adjusting control of eccentric moment can be realized from 0 to the maximum and from the maximum to 0, consequently, and the optional adjusting control of the working amplitude of the hydraulic vibrohammer can be realized. The utility model satisfies the requirements of high efficient construction under different geological conditions, solves the defects that the hydraulic vibrohammer has to pass the sympathetic vibration area when starting or parking the car, is beneficial to ensuring the effective working lives of the hydraulic vibrohammer components, can improve the working efficiency and the working adaptability, and has strong practicability.
Description
Technical field
The utility model 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 purpose of this utility model 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 utility model 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.
The utility model eccentric moment adjustable hydraulic vibrohammer 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 utility model embodiment;
Fig. 2 is an eccentric moment adjusting mechanism structural representation among the utility model embodiment;
Fig. 3 is an exciter structure schematic diagram among the utility model embodiment.
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 utility model is described in further detail 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 utility model 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 A23 and B24 between casing 4 front and back sides, by the fixedly synchromesh gear A25 on front end one side shaft that is fixedly installed on two eccentric shaft A23 and B24 respectively and B26 and the fixing preceding fixedly branch that constitutes of eccentric body A27 and the B28 device 29 that shakes, by the fixedly eccentric body C30 that is fixedly installed on respectively on described two eccentric shaft A23 and B24 rear end one side shaft, D31 and respectively movable set be arranged on movable synchromesh gear A32 and B33 on described two eccentric shaft A23 and B24 rear end one side shaft, and movable set is arranged on the interlude axle between described fixedly synchromesh gear A25 and B26 and movable synchromesh gear A32 and B33, and be mounted on movable eccentric body A34 and B35 on described movable synchromesh gear A32 and the B33 side 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 B24, preceding driving gear 8-1 on it be arranged on eccentric shaft B24 on the corresponding engagement of fixedly synchromesh gear B26, rear drive gear 8-2 be arranged on eccentric shaft B24 on the corresponding engagement of movable synchromesh gear B33; Described eccentric moment adjusting mechanism 5 is arranged on the side by eccentric shaft A23, the corresponding engagement of movable synchromesh gear A32 on gear 22 and the eccentric shaft A23 is adjusted in the corresponding engagement of fixedly synchromesh gear A25 on preceding adjustment gear 21 on it and the eccentric shaft A23, 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 leading portion 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 casing (4), be arranged on two eccentric shaft A (23) and B (24) 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 |
|---|---|---|---|
| CN2009200763712U CN201437589U (en) | 2009-06-16 | 2009-06-16 | Hydraulic vibrohammer with adjustable eccentric moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200763712U CN201437589U (en) | 2009-06-16 | 2009-06-16 | Hydraulic vibrohammer with adjustable eccentric moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437589U true CN201437589U (en) | 2010-04-14 |
Family
ID=42399565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200763712U Expired - Lifetime CN201437589U (en) | 2009-06-16 | 2009-06-16 | Hydraulic vibrohammer with adjustable eccentric moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437589U (en) |
-
2009
- 2009-06-16 CN CN2009200763712U patent/CN201437589U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101581096B (en) | Eccentric moment adjustable hydraulic vibrohammer | |
| US9334613B2 (en) | Vibration exciter for a vibration compactor and construction machine having such a vibration exciter | |
| CN106522223A (en) | Pure mechanical building pile driver | |
| WO2012068711A1 (en) | Eccentric moment infinitive stage adjustable vibration device | |
| CN102107180A (en) | Vibrating mechanism with stepless adjustable eccentric moment | |
| CN102979081B (en) | A kind of vibration exciter for generation of directed excited vibration | |
| CN107254966A (en) | A kind of construction land used face compaction apparatus | |
| CN2801299Y (en) | Single shaft stepless modulation vibration working device | |
| CN201437589U (en) | Hydraulic vibrohammer with adjustable eccentric moment | |
| CN2871650Y (en) | Large vibrating pile hammer with adjusting eccentric force moment | |
| CN1240909C (en) | Combined vibrationg roller with adjustable stepless amplitudes of vibration | |
| CN205171332U (en) | Small -size couple steel wheel vibrated roller that freely turn to | |
| CN205188789U (en) | A vibrating device and resonance breaker for $resonating breaker | |
| CN201473860U (en) | Road roller vibration exciter with adjustable excited force direction | |
| CN88203949U (en) | Continuously adjustable eccentric moment four-axis vibrator | |
| RU73349U1 (en) | DEBALANCE VIBRATOR WITH ADJUSTABLE PARAMETERS | |
| CN201850551U (en) | Vibratory pile hammer with adjustable eccentric moment | |
| CN205599474U (en) | Adjustable square vibration exciter | |
| CN101768971B (en) | Vibrohammer with internal vertically-arranged eccentric moment adjusting mechanism | |
| CN2633439Y (en) | Variable eccentric actuator of heavy pile-drawer | |
| CN205713139U (en) | A kind of high frequency gasoline of novel intelligent shake rod machine | |
| CN207079937U (en) | A kind of construction land used face compaction apparatus | |
| CN109252520B (en) | Hydraulic vibration pile hammer box body with adjustable eccentric moment | |
| CN208441098U (en) | A kind of hydraulic vibration pile hammer of adjustable eccentric square | |
| CN201610549U (en) | Novel two-shaft eccentric moment-adjustable vibratory pile hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100414 Effective date of abandoning: 20090616 |