CN2693823Y - Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer - Google Patents
Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer Download PDFInfo
- Publication number
- CN2693823Y CN2693823Y CN 200420059767 CN200420059767U CN2693823Y CN 2693823 Y CN2693823 Y CN 2693823Y CN 200420059767 CN200420059767 CN 200420059767 CN 200420059767 U CN200420059767 U CN 200420059767U CN 2693823 Y CN2693823 Y CN 2693823Y
- Authority
- CN
- China
- Prior art keywords
- eccentric body
- eccentric
- axle
- movable
- shaft assembly
- 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
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses an eccentric shaft assembly for adjustable eccentric torque vibratory pile hammer, essentially comprising a fixed eccentric body and a movable eccentric body. The fixed eccentric body and the movable eccentric body are respectively sheathed outside the shaft; both sides of the movable eccentric body are respectively sheathed with a stationary gear and a free gear, the stationary gear is connected on the shaft by a key, the free gear is connected on the shaft by a bearing, one side of the free gear is fixed with the movable eccentric body, the fixed eccentric body is a quadrant with a centre angle no larger than 90 degrees, the center is provided with a key groove hole, and the fixed eccentric body is connected on the shaft by the key; the movable eccentric body is also a quadrant with a centre angle no larger than 90 degrees, the center is provided with a bearing bore, and the movable eccentric body is connected on the shaft by the bearing. When the eccentric torque changes from the maximum to zero, and the movable eccentric body only needs to rotate no larger than 90 degrees; consequently, the stroke for adjusting a cylinder or a screw shaft is considerably shortened to reduce the adjusting time and to improve adjusting reliability, the structure of the vibratory pile hammer is simple and compact, and the utility model is especially applicable to the adjustable eccentric torque vibratory pile hammer with ultra high frequency.
Description
Technical field
The utility model relates to a kind of eccentric shaft assembly of vibrohammer.
Background technology
The existing eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer, in eccentric moment during by maximum vanishing, movable eccentric body needs Rotate 180 °, corner is big more, the stroke of guiding mechanism oil cylinder or leading screw is also just big more, and the adjustment time is longer relatively, so not only can reduce the reliability of adjustment, also can make complex structure, the difficult arrangement of vibrohammer, especially not be suitable for the Frequency Adjustable eccentric moment vibrohammer of hyperfrequency.
Summary of the invention
The purpose of this utility model provides a kind of in eccentric moment during by maximum vanishing, need the angle of movable eccentric body rotation to be not more than 90 ° the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer, the stroke that solves guiding mechanism oil cylinder or leading screw is big more, the adjustment time is longer relatively, reduce the reliability of adjusting, make complex structure, the difficult arrangement of vibrohammer, especially be not suitable for the problem of the Frequency Adjustable eccentric moment vibrohammer of hyperfrequency.
The utility model is a kind of eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer, it mainly comprises the fixedly eccentric body that is socketed in respectively on the axle, movable eccentric body, the both sides of movable eccentric body are socket fixed gear and free gear respectively, fixed gear is connected on the axle by key, free gear is connected on the axle by bearing, fixedly connected with movable eccentric body in one side, it is characterized in that: fixedly eccentric body is that central angle is not more than 90 ° segment, its circle centre position is for having dowel hole, and is connected on the axle by key; Movable eccentric body also is not more than 90 ° segment for central angle, its circle centre position has dead eye, and is connected on the axle by bearing.
The vertical section of above-mentioned movable eccentric body is U font segment, and cross section, U font both sides is a round, and circle centre position has dead eye, and the bottom of U font also is not more than 90 ° segment for central angle; Fixedly eccentric body is positioned at the U font segment of movable eccentric body.
Above-mentioned movable eccentric body one side is protruding with the shaft shoulder, and its shaft shoulder and adjacent free gear are fixed.
The said fixing eccentric body has two at least, and is connected in the both ends of axle respectively by key.
Above-mentioned movable eccentric body and free gear are connected on the axle sleeve by key, are connected on the axle by bearing again.
Above-mentioned movable eccentric body axle center and axle sleeve fuse.
Beneficial effect: the utility model has the advantages that and shortened the stroke of adjusting oil cylinder or leading screw greatly, reduced the required time of adjusting, improve the reliability of adjusting, made the simple for structure, compact of vibrohammer, be particularly useful for the Frequency Adjustable eccentric moment vibrohammer of hyperfrequency.
Description of drawings
Fig. 1 is the fixedly eccentric body structural representation of embodiment one;
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the movable eccentric body structural representation of embodiment one;
Fig. 4 be Fig. 3 F to view.
Fig. 5 is the package assembly schematic diagram of embodiment one;
Fig. 6 is that Fig. 5 works as the A-A generalized section of eccentric moment when maximum;
Fig. 7 is the A-A generalized section of Fig. 5 when working as eccentric moment and being zero.
Fig. 8 is the fixedly eccentric body structural representation of embodiment two;
Fig. 9 is the lateral view of Fig. 8.
Figure 10 is the movable eccentric body structural representation of embodiment two;
Figure 11 is the left view of Fig. 3.
Figure 12 is the package assembly schematic diagram of embodiment two.
Figure 13 is the structural representation of movable eccentric body embodiment three;
Figure 14 is that the A of Figure 13 is to structural representation;
Figure 15 is an application example schematic diagram of the present utility model.
1-is eccentric body, the movable eccentric body of 2-, 3-fixed gear, 4-free gear, 5-axle, 6-axle sleeve fixedly.
The specific embodiment
Embodiment is just like shown in Fig. 1-7: the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer mainly comprises fixedly eccentric body 1, movable eccentric body 2, fixed gear 3, free gear 4 and axle 5.
Fixedly eccentric body 1 is referring to Fig. 1,2, and for central angle is not more than 90 ° segment, its circle centre position is the hole that has keyway.
Movable eccentric body 2 is referring to Fig. 3,4, and its vertical section is U font segment, and cross section, U font both sides is a round, and circle centre position has dead eye, and the bottom of U font also is not more than 90 ° segment for central angle.
The eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer is referring to Fig. 5,6,7, and fixedly eccentric body 1 is positioned at the U font segment of movable eccentric body 2.Fixedly eccentric body 1 is connected and installed on the axle 5 by key, and movable eccentric body 2 is installed on the axle 5 by sliding bearing or rolling bearing; Free gear 4 is fixed on the movable eccentric body 2, and fixed gear 3 is positioned at from free gear 4 axle 5 ends far away, is connected and installed on the axle 5 by key.
Operating principle is referring to Fig. 5,6,7, utilize the rotation of free gear 4 drive activity eccentric bodies 2 to change the fixedly relative position of eccentric body 1 and movable eccentric body 2, be both angles, reach the purpose that changes eccentric moment, and eccentric moment is during by maximum vanishing, 2 of movable eccentric bodies need the little 90 ° angle of rotation, i.e. θ angle shown in Fig. 6,7.The effect of fixed gear 3 is a transmission power.
Embodiment two is shown in Fig. 8-12, fixedly eccentric body 1 and movable eccentric body 2 are all central angle and are not more than 90 ° segment, be that movable eccentric body can not be U font segment, the fixedly eccentric body 1 that overlap in the eccentric shaft assembly this moment one is no less than two, and connects the both ends that are installed on axle 5 respectively by key.
In embodiment two, movable eccentric body 2 and free gear 4 can be connected on the axle sleeve by key, are connected on the axle by bearing again.
The embodiment three of movable eccentric body is shown in Figure 13,14, movable eccentric body 2 axle center and axle sleeve 6 are fixedly linked or process and fuse, be connected and installed on the axle sleeve by key, be installed on about the middle part of axle by bearing again, perhaps directly be installed on about the middle part of axle by bearing.
Application example of the present utility model is referring to Figure 15, and when the eccentric shaft assembly was used for vibrohammer, its quantity should be even numbers, Figure 15 shows that the diaxon situation.
Claims (6)
1, a kind of eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer, mainly comprise the fixedly eccentric body that is socketed in respectively on the axle, movable eccentric body, the both sides of movable eccentric body are socket fixed gear and free gear respectively, fixed gear is connected on the axle by key, free gear is connected on the axle by bearing, and fixedlying connected with movable eccentric body in a side, it is characterized in that: fixedly eccentric body is that central angle is not more than 90 ° segment, its circle centre position is for having dowel hole, and is connected on the axle by key; Movable eccentric body also is not more than 90 ° segment for central angle, its circle centre position has dead eye, and is connected on the axle by bearing.
2, the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer according to claim 1, it is characterized in that: the vertical section of described movable eccentric body is U font segment, cross section, U font both sides is a round, circle centre position has dead eye, and the bottom of U font also is not more than 90 ° segment for central angle; Fixedly eccentric body is positioned at the U font segment of movable eccentric body.
3, the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer according to claim 1 is characterized in that: described movable eccentric body one side is protruding with the shaft shoulder, and its shaft shoulder and adjacent free gear are fixed.
4, the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer according to claim 1, it is characterized in that: described fixedly eccentric body has two at least, and is connected in the both ends of axle respectively by key.
5, the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer according to claim 1, it is characterized in that: described movable eccentric body and free gear are connected on the axle sleeve by key, are connected on the axle by bearing again.
6, the eccentric shaft assembly that is used for adjustable eccentric moment vibrohammer according to claim 5, it is characterized in that: described movable eccentric body axle center and axle sleeve fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059767 CN2693823Y (en) | 2004-05-21 | 2004-05-21 | Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059767 CN2693823Y (en) | 2004-05-21 | 2004-05-21 | Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2693823Y true CN2693823Y (en) | 2005-04-20 |
Family
ID=34777400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420059767 Expired - Lifetime CN2693823Y (en) | 2004-05-21 | 2004-05-21 | Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2693823Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834484A (en) * | 2010-05-27 | 2010-09-15 | 卧龙电气集团股份有限公司 | Novel three-stage vibration motor |
| CN101597902B (en) * | 2009-06-17 | 2011-03-09 | 上海振中机械制造有限公司 | Method for modulating frequency and amplitude of electronically driven vibrohammer and vibrohammer thereof |
| CN101581096B (en) * | 2009-06-16 | 2011-12-28 | 上海振中机械制造有限公司 | Eccentric moment adjustable hydraulic vibrohammer |
| CN102510165A (en) * | 2011-11-02 | 2012-06-20 | 无锡富岛精工有限公司 | Reversible vibration motor |
| CN103993602A (en) * | 2014-05-27 | 2014-08-20 | 浙江永安工程机械有限公司 | Vibration hammer drive unit with eccentric torque adjustable |
| CN103994177A (en) * | 2014-05-27 | 2014-08-20 | 浙江永安工程机械有限公司 | Vibration hammer drive assembly with eccentric torque adjustable |
-
2004
- 2004-05-21 CN CN 200420059767 patent/CN2693823Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581096B (en) * | 2009-06-16 | 2011-12-28 | 上海振中机械制造有限公司 | Eccentric moment adjustable hydraulic vibrohammer |
| CN101597902B (en) * | 2009-06-17 | 2011-03-09 | 上海振中机械制造有限公司 | Method for modulating frequency and amplitude of electronically driven vibrohammer and vibrohammer thereof |
| CN101834484A (en) * | 2010-05-27 | 2010-09-15 | 卧龙电气集团股份有限公司 | Novel three-stage vibration motor |
| CN101834484B (en) * | 2010-05-27 | 2012-03-21 | 卧龙电气集团股份有限公司 | Novel three-stage vibration motor |
| CN102510165A (en) * | 2011-11-02 | 2012-06-20 | 无锡富岛精工有限公司 | Reversible vibration motor |
| CN102510165B (en) * | 2011-11-02 | 2013-10-23 | 无锡富岛精工有限公司 | Reversible vibration motor |
| CN103993602A (en) * | 2014-05-27 | 2014-08-20 | 浙江永安工程机械有限公司 | Vibration hammer drive unit with eccentric torque adjustable |
| CN103994177A (en) * | 2014-05-27 | 2014-08-20 | 浙江永安工程机械有限公司 | Vibration hammer drive assembly with eccentric torque adjustable |
| CN103993602B (en) * | 2014-05-27 | 2016-04-06 | 浙江永安工程机械有限公司 | Vibrating hammer eccentric moment-adjustable driver element |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8087390B2 (en) | Multi-link variable compression ratio engine | |
| CN1168913C (en) | Actuator having central support, and brake calliper comprising such actuator | |
| EP3100973A1 (en) | Four-direction traveling industrial vehicle and moving mechanism thereof | |
| CN2693823Y (en) | Eccentric shaft assembly for eccentric moment adjustable vibrating pile hammer | |
| WO2011006683A1 (en) | Crank drive | |
| CN1075173C (en) | Control device, particularly for motor vehicle clutch | |
| CN1768213A (en) | Helically toothed-belt transmission device | |
| CN103307246A (en) | Stroke-adjustable push rod mechanism | |
| CN2753935Y (en) | Valve driver | |
| CN2845154Y (en) | The link gear of breaker of plastic casing | |
| CN101122257A (en) | Range-adjustable crank-connecting rod mechanism | |
| CN1482374A (en) | Wedge type freewheeling clutch apparatus | |
| CN1966212A (en) | Dynamical tools | |
| CN1924396A (en) | Micro-gap transmission | |
| CN2708041Y (en) | Screw riser with clearance compensation function | |
| CN1036444A (en) | Cross crank gear | |
| CN100344893C (en) | Corner radial coupler | |
| CN1648490A (en) | Oval bevel gear wheel set | |
| CN1204348C (en) | Fastener of washer and spare washer, and fastening method and power tool using said washer | |
| CN2545427Y (en) | Self-locking mechanism of actuator | |
| US20120272759A1 (en) | Device and method for converting circular motion | |
| CN2755296Y (en) | Throttle controller with varible lever ratio | |
| CN2673836Y (en) | Mast crane rotary driving device | |
| CN2354914Y (en) | Multi-stage hydraulic jack driven by electric power or manpower | |
| CN112855357B (en) | Variable piston stroke and variable compression ratio mechanism of internal combustion engine and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140521 Granted publication date: 20050420 |