WO2020108222A1 - Multi-vibration point combined vibration mechanism - Google Patents
Multi-vibration point combined vibration mechanism Download PDFInfo
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- WO2020108222A1 WO2020108222A1 PCT/CN2019/114591 CN2019114591W WO2020108222A1 WO 2020108222 A1 WO2020108222 A1 WO 2020108222A1 CN 2019114591 W CN2019114591 W CN 2019114591W WO 2020108222 A1 WO2020108222 A1 WO 2020108222A1
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- vibration
- eccentric
- output shaft
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- eccentric block
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
Definitions
- the invention relates to a construction engineering machine, in particular to a vibration mechanism of a vibration hammer.
- the vibratory hammer is widely used on construction sites, mainly for piling of buildings. Its working principle is to generate vibration through the rotation of an eccentric block.
- the eccentric block is installed in the vibration mechanism of the vibration hammer.
- the vibration mechanism of the traditional vibration hammer drives a driving gear shaft through a motor belt, and then the driving gear shaft drives the driven gear shaft, the driving gear shaft and the driven gear shaft through gear meshing. Install an eccentric block each.
- the driving gear shaft and the driven gear shaft reversely rotate, driving the respective eccentric blocks to perform eccentric motion, thereby generating vibration force, and transmitting the vibration force to the pile hammer through the vibration frame.
- the vibration mechanism of the above-mentioned vibratory hammer often generates small vibration force, which cannot meet the construction needs of various large-scale projects such as artificial island making, foundation foundation, bridge construction, etc., unless the vibratory hammer is made very large.
- the technical problem to be solved by the present invention is to provide a simple and compact structure, which can arbitrarily combine the number of eccentric blocks according to the working conditions.
- the eccentric blocks are arranged in a ring shape to provide a large vibration force for the vibratory hammer. Multi-vibration point combination vibration mechanism to better meet the needs of various large projects.
- the present invention is accomplished by adopting the following technical solutions:
- the multi-vibration point combination vibration mechanism includes a vibration frame and an eccentric block, which is characterized in that the eccentric block is provided with multiple groups, and the multiple groups of eccentric blocks are arranged in a polygon on the vibration frame, and each group of eccentric blocks includes several eccentric block monomers.
- the eccentric block monomer is fixedly installed on the dual output shaft end of the dual output shaft motor. All the eccentric block monomers have the same eccentric direction after installation.
- each set of eccentric blocks is fixedly installed at the dual output shaft end of a dual output shaft motor and all the eccentric blocks are installed after installation.
- All the eccentric blocks are driven by multiple dual output shaft motors, which will produce a combined effect of multiple parts of the vibration force in the same direction, and multiple
- the vibration force of the part can be carried out around the center of the vibration frame, so that the vibration force is balanced and concentrated, so as to provide a large vibration force for the vibratory hammer, and better meet the construction of various large-scale projects such as artificial islands, foundation foundations, bridge construction, etc.
- the above-mentioned multi-vibration point combination vibration mechanism has a simple and compact structure, and can arbitrarily combine the number of eccentric blocks according to the working conditions, to achieve a large vibration effect of multiple vibration point combinations to achieve the required vibration hammer vibration force.
- At least three sets of eccentric blocks are provided, and multiple sets of eccentric blocks are arranged in a regular polygon on the vibration frame.
- the six groups of eccentric blocks are arranged in a regular hexagon on the vibration frame.
- At least two eccentric block monomers are installed on each output shaft end of the dual output shaft motor.
- the shaft ends of the dual output shaft motor are connected by a universal joint.
- the above design can better ensure the synchronization of the individual movements of the eccentric blocks, balance and concentrate the vibration force, thereby providing a large vibration force for the vibratory hammer, and better meet the needs of various large-scale projects.
- the vibration frame is composed of a top plate, a bottom plate and a plurality of intermediate frame plates fixedly connected, and each intermediate frame plate corresponds to the installation of a set of eccentric blocks and a dual output shaft motor.
- FIG. 1 is a schematic structural diagram of the present invention
- Fig. 2 is an A-A view of Fig. 1.
- the multi-vibration point combination vibration mechanism of the present invention includes a vibration frame and an eccentric block.
- the eccentric block is provided with six groups.
- the six groups of eccentric blocks are arranged in a regular hexagon on the vibration frame.
- Each group of eccentric blocks includes eight One eccentric block monomer 6, eight eccentric block monomers 6 are set on the dual output shaft 7 of a dual output shaft motor 8 and fixedly installed on the dual output shaft 7, the dual output shaft 7 of the dual output shaft motor 8 The shaft ends are connected by a universal joint 5, the dual output shaft motor 8 is fixedly installed in the vibration box 4, and all the eccentric block monomers 6 have the same eccentric direction after installation.
- the vibration frame is composed of a top plate 1, a bottom plate 3 and six intermediate frame plates 2 fixedly connected, each intermediate frame plate 2 corresponds to a set of eccentric blocks and a dual output shaft motor 8 installation, the vibration box 4 is The middle frame plate 2 is fixedly connected, and the vibration mechanism is connected with the hook through the top plate 1 and the pile hammer or the pipe plate clamp through the bottom plate 3 when the vibratory hammer is in operation.
- the present invention works in this way: during pile driving, all the eccentric blocks are driven by six dual-output shaft motors, which will produce a combined effect of multiple parts of the vibration force in the same direction, realizing large vibration with multiple vibration points. And the vibration force of multiple parts can be carried out around the center of the vibration frame, so that the vibration force is balanced and concentrated, so as to provide a large vibration force for the vibratory hammer, and better meet the requirements such as artificial island making, foundation foundation, bridge construction, etc. The construction needs of a large-scale project.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
A multi-vibration point combined vibration mechanism, which comprises a vibration frame and eccentric blocks, and is characterized in that: multiple groups of eccentric blocks are provided, the multiple groups of eccentric blocks are arranged in a polygonal shape on the vibration frame, each group of eccentric blocks comprises a plurality of single eccentric block bodies (6), the single eccentric block bodies (6) are fixedly installed on the shaft end of a dual-output shaft (7) of a dual-output shaft motor (8), and all the single eccentric block bodies (6) are the same in eccentric direction after being installed. The structure of the vibration mechanism is simple and compact, the number of eccentric block groups can be arbitrarily combined according to working conditions, the eccentric blocks are annularly arranged, can provide a large vibration force for a vibration hammer, and can better meet construction requirements of various large-scale projects such as artificial island, land foundation, bridge construction and the like.
Description
本发明涉及的是一种建筑工程机械，具体涉及的是一种振动锤的振动机构。The invention relates to a construction engineering machine, in particular to a vibration mechanism of a vibration hammer.
振动锤广泛应用于建筑工地上，主要是用于建筑物的打桩，它的工作原理是通过偏心块的转动来产生振动。偏心块安装于振动锤的振动机构内，传统振动锤的振动机构，是通过电机皮带传动一条主动齿轮轴，然后主动齿轮轴通过齿轮啮合传动从动齿轮轴，主动齿轮轴和从动齿轮轴上各自安装一个偏心块，当电机工作时，主动齿轮轴、从动齿轮轴产生反向转动，带动各自偏心块进行偏心动作，进而产生振动力，并通过振动架将振动力向桩锤传递，来进行打桩工作。上述的振动锤的振动机构，产生的振动力往往较小，不能满足如人工造岛、地基基础、桥梁建设等各种大型工程的建设需要，除非将振动锤做的很大。The vibratory hammer is widely used on construction sites, mainly for piling of buildings. Its working principle is to generate vibration through the rotation of an eccentric block. The eccentric block is installed in the vibration mechanism of the vibration hammer. The vibration mechanism of the traditional vibration hammer drives a driving gear shaft through a motor belt, and then the driving gear shaft drives the driven gear shaft, the driving gear shaft and the driven gear shaft through gear meshing. Install an eccentric block each. When the motor is working, the driving gear shaft and the driven gear shaft reversely rotate, driving the respective eccentric blocks to perform eccentric motion, thereby generating vibration force, and transmitting the vibration force to the pile hammer through the vibration frame. Carry out piling work. The vibration mechanism of the above-mentioned vibratory hammer often generates small vibration force, which cannot meet the construction needs of various large-scale projects such as artificial island making, foundation foundation, bridge construction, etc., unless the vibratory hammer is made very large.
发明内容Summary of the invention
鉴于目前公知技术存在的问题，本发明要解决的技术问题是在于提供一种结构简单紧凑，根据工况任意组合偏心块的组数，偏心块环形布设，可为振动锤提供大的振动力，更好满足各种大型工程需要的多振动点组合的振动机构。In view of the problems of the currently known technology, the technical problem to be solved by the present invention is to provide a simple and compact structure, which can arbitrarily combine the number of eccentric blocks according to the working conditions. The eccentric blocks are arranged in a ring shape to provide a large vibration force for the vibratory hammer. Multi-vibration point combination vibration mechanism to better meet the needs of various large projects.
为解决上述技术问题，本发明是采取如下技术方案来完成的：To solve the above technical problems, the present invention is accomplished by adopting the following technical solutions:
多振动点组合的振动机构，包括振动架和偏心块，其特征在于：偏心块设有多组，多组的偏心块在振动架上呈多边形布设，每组偏心块包括若干偏心块单体，偏心块单体在双输出轴电机的双输出轴轴端固定安装，所有的偏心块单体在安装后具有同样的偏心方向。The multi-vibration point combination vibration mechanism includes a vibration frame and an eccentric block, which is characterized in that the eccentric block is provided with multiple groups, and the multiple groups of eccentric blocks are arranged in a polygon on the vibration frame, and each group of eccentric blocks includes several eccentric block monomers. The eccentric block monomer is fixedly installed on the dual output shaft end of the dual output shaft motor. All the eccentric block monomers have the same eccentric direction after installation.
上述技术方案的振动机构，多组的偏心块在振动架上呈多边形布设，每组的偏心块在一台双输出轴电机的双输出轴轴端固定安装并且所有的偏心块单体在安装后具有同样的偏心方向，这样一来，当振动锤工作时，所有的偏心块单体在多台双输出轴电机的驱动下，会产生共同方向的多个部位振动力的组合效应，并且多个部位的振动力能够围绕振动架的中心来进行，使振动力平衡并集中，从而为振动锤提供大的振动力，更好满足如人工造岛、地基基础、桥梁建设等各种大型工程的建设需要；上述的多振动点组合的振动机构，结构简单紧凑，可根据工况任意组合偏心块的组数，实现多振动点组合的大振动效果，以达到所需的振动锤的振动力。In the vibration mechanism of the above technical solution, multiple sets of eccentric blocks are arranged in a polygon on the vibrating frame. Each set of eccentric blocks is fixedly installed at the dual output shaft end of a dual output shaft motor and all the eccentric blocks are installed after installation. Have the same eccentric direction, so that when the vibratory hammer is working, all the eccentric blocks are driven by multiple dual output shaft motors, which will produce a combined effect of multiple parts of the vibration force in the same direction, and multiple The vibration force of the part can be carried out around the center of the vibration frame, so that the vibration force is balanced and concentrated, so as to provide a large vibration force for the vibratory hammer, and better meet the construction of various large-scale projects such as artificial islands, foundation foundations, bridge construction, etc. Need; the above-mentioned multi-vibration point combination vibration mechanism has a simple and compact structure, and can arbitrarily combine the number of eccentric blocks according to the working conditions, to achieve a large vibration effect of multiple vibration point combinations to achieve the required vibration hammer vibration force.
作为优选，偏心块设有至少三组，多组偏心块在振动架上呈正多边形布设。Preferably, at least three sets of eccentric blocks are provided, and multiple sets of eccentric blocks are arranged in a regular polygon on the vibration frame.
作为优选，偏心块设有六组，六组偏心块在振动架上呈正六边形布设。Preferably, there are six groups of eccentric blocks, and the six groups of eccentric blocks are arranged in a regular hexagon on the vibration frame.
作为优选，双输出轴电机的每个输出轴轴端均安装有至少两个的偏心块单体。Preferably, at least two eccentric block monomers are installed on each output shaft end of the dual output shaft motor.
作为优选，双输出轴电机的轴端通过万向节相连。上述设计可更好保证各偏心块单体动作的同步性，使振动力平衡并集中，从而为振动锤提供大的振动力，更好满足各种大型工程需要。Preferably, the shaft ends of the dual output shaft motor are connected by a universal joint. The above design can better ensure the synchronization of the individual movements of the eccentric blocks, balance and concentrate the vibration force, thereby providing a large vibration force for the vibratory hammer, and better meet the needs of various large-scale projects.
作为优选，所述振动架由顶板、底板和多个中间架板固定连接组成，每个中间架板对应一组偏心块及一台双输出轴电机的安装。Preferably, the vibration frame is composed of a top plate, a bottom plate and a plurality of intermediate frame plates fixedly connected, and each intermediate frame plate corresponds to the installation of a set of eccentric blocks and a dual output shaft motor.
本发明有如下附图：The invention has the following drawings:
图1为本发明的结构示意图，FIG. 1 is a schematic structural diagram of the present invention,
图2为图1的A-A视图。Fig. 2 is an A-A view of Fig. 1.
附图表示了本发明的技术方案及其实施例，下面再结合附图进一步描述其实施例的各有关细节及其工作原理。The drawings show the technical solutions and embodiments of the present invention, and the relevant details and working principles of the embodiments are further described below with reference to the drawings.
如图所示，本发明的多振动点组合的振动机构，包括振动架和偏心块，偏心块设有六组，六组偏心块在振动架上呈正六边形布设，每组偏心块包括八个偏心块单体6，八个偏心块单体6分设于一台双输出轴电机8的双输出轴7上并在双输出轴7上进行固定安装，双输出轴电机8的双输出轴7轴端通过万向节5相连，双输出轴电机8在振动箱体4内固定安装，所有的偏心块单体6在安装后具有同样的偏心方向。所述振动架由顶板1、底板3和六个中间架板2固定连接组成，每个中间架板2对应一组偏心块及一台双输出轴电机8的安装，所述振动箱体4与中间架板2固定相连，振动锤工作时振动机构通过顶板1与挂钩相接，通过底板3与桩锤或管板夹相接。As shown in the figure, the multi-vibration point combination vibration mechanism of the present invention includes a vibration frame and an eccentric block. The eccentric block is provided with six groups. The six groups of eccentric blocks are arranged in a regular hexagon on the vibration frame. Each group of eccentric blocks includes eight One eccentric block monomer 6, eight eccentric block monomers 6 are set on the dual output shaft 7 of a dual output shaft motor 8 and fixedly installed on the dual output shaft 7, the dual output shaft 7 of the dual output shaft motor 8 The shaft ends are connected by a universal joint 5, the dual output shaft motor 8 is fixedly installed in the vibration box 4, and all the eccentric block monomers 6 have the same eccentric direction after installation. The vibration frame is composed of a top plate 1, a bottom plate 3 and six intermediate frame plates 2 fixedly connected, each intermediate frame plate 2 corresponds to a set of eccentric blocks and a dual output shaft motor 8 installation, the vibration box 4 is The middle frame plate 2 is fixedly connected, and the vibration mechanism is connected with the hook through the top plate 1 and the pile hammer or the pipe plate clamp through the bottom plate 3 when the vibratory hammer is in operation.
本发明是这样工作的：打桩工作时，所有的偏心块单体在六台双输出轴电机的驱动下，会产生共同方向的多个部位振动力的组合效应，实现多振动点组合的大振动效果，并且多个部位的振动力能够围绕振动架的中心来进行，使振动力平衡并集中，从而为振动锤提供大的振动力，更好满足如人工造岛、地基基础、桥梁建设等各种大型工程的建设需要。The present invention works in this way: during pile driving, all the eccentric blocks are driven by six dual-output shaft motors, which will produce a combined effect of multiple parts of the vibration force in the same direction, realizing large vibration with multiple vibration points. And the vibration force of multiple parts can be carried out around the center of the vibration frame, so that the vibration force is balanced and concentrated, so as to provide a large vibration force for the vibratory hammer, and better meet the requirements such as artificial island making, foundation foundation, bridge construction, etc. The construction needs of a large-scale project.
Claims (6)
- 多振动点组合的振动机构，包括振动架和偏心块，其特征在于：偏心块设有多组，多组的偏心块在振动架上呈多边形布设，每组偏心块包括若干偏心块单体，偏心块单体在双输出轴电机的双输出轴轴端固定安装，所有的偏心块单体在安装后具有同样的偏心方向。The multi-vibration point combination vibration mechanism includes a vibration frame and an eccentric block, which is characterized in that the eccentric block is provided with multiple groups, and the multiple groups of eccentric blocks are arranged in a polygon on the vibration frame, and each group of eccentric blocks includes several eccentric block monomers. The eccentric block monomer is fixedly installed on the dual output shaft end of the dual output shaft motor. All the eccentric block monomers have the same eccentric direction after installation.
- 如权利要求1所述的多振动点组合的振动机构，其特征在于：偏心块设有至少三组，多组偏心块在振动架上呈正多边形布设。The multi-vibration point combination vibration mechanism according to claim 1, wherein at least three sets of eccentric blocks are provided, and the multiple sets of eccentric blocks are arranged in a regular polygon on the vibration frame.
- 如权利要求2所述的多振动点组合的振动机构，其特征在于：偏心块设有六组，六组偏心块在振动架上呈正六边形布设。The multi-vibration point combination vibration mechanism according to claim 2, wherein the eccentric block is provided with six groups, and the six groups of eccentric blocks are arranged in a regular hexagon on the vibration frame.
- 如权利要求1所述的多振动点组合的振动机构，其特征在于：双输出轴电机的每个输出轴轴端均安装有至少两个的偏心块单体。The multi-vibration point combination vibration mechanism according to claim 1, wherein at least two eccentric block monomers are installed on each output shaft end of the dual output shaft motor.
- 如权利要求1所述的多振动点组合的振动机构，其特征在于：双输出轴电机的轴端通过万向节相连。The multi-vibration point combination vibration mechanism according to claim 1, wherein the shaft ends of the dual output shaft motor are connected by a universal joint.
- 如权利要求1所述的多振动点组合的振动机构，其特征在于：所述振动架由顶板、底板和多个中间架板固定连接组成，每个中间架板对应一组偏心块及一台双输出轴电机的安装。The multi-vibration point combination vibration mechanism according to claim 1, wherein the vibration frame is composed of a top plate, a bottom plate and a plurality of intermediate frame plates fixedly connected, and each intermediate frame plate corresponds to a set of eccentric blocks and one Installation of dual output shaft motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811413132.1A CN109347248B (en) | 2018-11-26 | 2018-11-26 | Vibration mechanism with multiple vibration point combinations |
| CN201811413132.1 | 2018-11-26 |
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| CN109347248B (en) * | 2018-11-26 | 2024-03-26 | 温州振中基础工程机械科技有限公司 | Vibration mechanism with multiple vibration point combinations |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202565091U (en) * | 2012-05-25 | 2012-11-28 | 卧龙电气集团股份有限公司 | Three-section elongated explosion-proof vibration motor |
| CN203140277U (en) * | 2012-09-25 | 2013-08-21 | 马丁工程公司 | Vibration assembly and vibration equipment with the same |
| CN205253505U (en) * | 2015-12-26 | 2016-05-25 | 洛阳震动机械有限公司 | Vibrating case |
| US20160218588A1 (en) * | 2015-01-23 | 2016-07-28 | Johnson Electric S.A. | Motor vibration device |
| CN108330981A (en) * | 2017-12-25 | 2018-07-27 | 中冶交通建设集团有限公司 | A kind of grout pile concrete tamping equipment and its vibrating method |
| CN109347248A (en) * | 2018-11-26 | 2019-02-15 | 温州振中基础工程机械科技有限公司 | The vibrating mechanism of more oscillation point combinations |
| CN208986760U (en) * | 2018-11-26 | 2019-06-14 | 温州振中基础工程机械科技有限公司 | The vibrating mechanism of more oscillation point combinations |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800452A (en) * | 2010-04-21 | 2010-08-11 | 卧龙电气集团股份有限公司 | Eccentric block vibration mechanism of vibration motor |
| WO2012068711A1 (en) * | 2010-11-22 | 2012-05-31 | Tang Zhongsheng | Eccentric moment infinitive stage adjustable vibration device |
| CN203261183U (en) * | 2013-05-16 | 2013-10-30 | 林汉杰 | Double-eccentric block type vibration motor |
-
2018
- 2018-11-26 CN CN201811413132.1A patent/CN109347248B/en active Active
-
2019
- 2019-10-31 WO PCT/CN2019/114591 patent/WO2020108222A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202565091U (en) * | 2012-05-25 | 2012-11-28 | 卧龙电气集团股份有限公司 | Three-section elongated explosion-proof vibration motor |
| CN203140277U (en) * | 2012-09-25 | 2013-08-21 | 马丁工程公司 | Vibration assembly and vibration equipment with the same |
| US20160218588A1 (en) * | 2015-01-23 | 2016-07-28 | Johnson Electric S.A. | Motor vibration device |
| CN205253505U (en) * | 2015-12-26 | 2016-05-25 | 洛阳震动机械有限公司 | Vibrating case |
| CN108330981A (en) * | 2017-12-25 | 2018-07-27 | 中冶交通建设集团有限公司 | A kind of grout pile concrete tamping equipment and its vibrating method |
| CN109347248A (en) * | 2018-11-26 | 2019-02-15 | 温州振中基础工程机械科技有限公司 | The vibrating mechanism of more oscillation point combinations |
| CN208986760U (en) * | 2018-11-26 | 2019-06-14 | 温州振中基础工程机械科技有限公司 | The vibrating mechanism of more oscillation point combinations |
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| CN109347248A (en) | 2019-02-15 |
| CN109347248B (en) | 2024-03-26 |
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