CN103084829B - Big nut aids in installing mechanism and its auxiliary installation method - Google Patents
Big nut aids in installing mechanism and its auxiliary installation method Download PDFInfo
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- CN103084829B CN103084829B CN201310048590.0A CN201310048590A CN103084829B CN 103084829 B CN103084829 B CN 103084829B CN 201310048590 A CN201310048590 A CN 201310048590A CN 103084829 B CN103084829 B CN 103084829B
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Abstract
本发明提供一种大螺母辅助安装机构，其特征在于：该机构包括支撑块、支撑液压缸杆、支撑液压缸活塞、支撑液压缸体、螺纹丝杠、大螺母吊钩、丝杠吊钩及推进螺母，支撑液压缸体套在螺纹丝杠上，支撑液压缸杆的一端伸进支撑液压缸体内与支撑液压缸体形成活动的液压缸结构，支撑液压缸杆伸出支撑液压缸体的一端设置支撑块，支撑液压缸杆伸进支撑液压缸体内的一端与支撑液压缸体内的支撑液压缸活塞连接；推进螺母安装在螺纹丝杠的非旋入端，并紧靠支撑液压缸体。本发明由于在安装螺母的轴上开有小螺纹孔或锥形孔，使大螺母安装时更容易对中；本发明采用螺纹丝杠，在螺母的安装过程中更容易旋进；本发明采用液压缸支撑，操作简单方便。
The invention provides a large nut auxiliary installation mechanism, which is characterized in that the mechanism includes a support block, a support hydraulic cylinder rod, a support hydraulic cylinder piston, a support hydraulic cylinder body, a threaded screw, a large nut hook, a lead screw hook and Push the nut, the supporting hydraulic cylinder body is sleeved on the threaded screw, one end of the supporting hydraulic cylinder rod extends into the supporting hydraulic cylinder body and supports the hydraulic cylinder body to form a movable hydraulic cylinder structure, and the supporting hydraulic cylinder rod extends out of the supporting hydraulic cylinder body One end is provided with a support block, and one end of the support hydraulic cylinder rod protruding into the support hydraulic cylinder body is connected with the support hydraulic cylinder piston in the support hydraulic cylinder body; the push nut is installed on the non-screw-in end of the threaded screw, and is close to the support hydraulic cylinder body. Because the present invention has a small threaded hole or a tapered hole on the shaft for installing the nut, it is easier to center the large nut when it is installed; Supported by hydraulic cylinder, the operation is simple and convenient.
Description
技术领域technical field
本发明涉及一种螺母安装机构，特别涉及一种对体积较大、对中困难的大型螺母的安装。The invention relates to a nut installation mechanism, in particular to the installation of large nuts with large volume and difficult centering.
背景技术Background technique
在大型轮机及压缩机的叶片安装过程中，往往需要使用大型螺母进行加固定位，而这种大型螺母在安装过程中，由于体积较大，对中往往非常困难，这将大大的削弱了工厂的生产效率。During the installation process of the blades of large turbines and compressors, it is often necessary to use large nuts for reinforcement and positioning. During the installation process of such large nuts, due to their large size, alignment is often very difficult, which will greatly weaken the factory. Productivity.
发明内容Contents of the invention
发明目的：本发明提供一种大型螺母辅助安装机构，其目的在于解决上述大型螺母在安装过程中出现的对中困难且难以旋进的问题。Purpose of the invention: The present invention provides an auxiliary installation mechanism for large nuts, the purpose of which is to solve the problems of difficult centering and screwing in of the above-mentioned large nuts during the installation process.
技术方案：本发明是通过以下技术方案来实现的：Technical solution: the present invention is achieved through the following technical solutions:
一种大螺母辅助安装机构，其特征在于：该机构包括支撑块、支撑液压缸杆、支撑液压缸活塞、支撑液压缸体、螺纹丝杠、大螺母吊钩、丝杠吊钩及推进螺母，支撑液压缸体套在螺纹丝杠上，支撑液压缸杆的一端伸进支撑液压缸体内与支撑液压缸体形成活动的液压缸结构，支撑液压缸杆伸出支撑液压缸体的一端设置支撑块，支撑液压缸杆伸进支撑液压缸体内的一端与支撑液压缸体内的支撑液压缸活塞连接；推进螺母安装在螺纹丝杠的非旋入端，并紧靠支撑液压缸体。A large nut auxiliary installation mechanism is characterized in that the mechanism includes a support block, a support hydraulic cylinder rod, a support hydraulic cylinder piston, a support hydraulic cylinder body, a threaded screw, a large nut hook, a lead screw hook and a push nut, The supporting hydraulic cylinder body is sleeved on the threaded screw, and one end of the supporting hydraulic cylinder rod extends into the supporting hydraulic cylinder body to form a movable hydraulic cylinder structure with the supporting hydraulic cylinder body. block, and one end of the support hydraulic cylinder rod extending into the support hydraulic cylinder body is connected with the support hydraulic cylinder piston in the support hydraulic cylinder body;
支撑块的外端与大螺母的接触部位有保护层。A protective layer is provided at the contact position between the outer end of the support block and the big nut.
支撑液压缸体为三支，三支支撑液压缸体以螺纹丝杠为中心呈等夹角三叉星的结构排列。There are three supporting hydraulic cylinders, and the three supporting hydraulic cylinders are arranged in the structure of a three-pointed star with an equal angle with the threaded screw as the center.
利用上述的大螺母辅助安装机构所实施的大螺母辅助安装方法，其特征在于：在安装大螺母的轴上预先开好中心螺纹孔或锥形孔；The auxiliary installation method for large nuts implemented by the above-mentioned auxiliary installation mechanism for large nuts is characterized in that: a central threaded hole or a tapered hole is pre-opened on the shaft where the large nut is installed;
在大螺母的扳手孔内安装扳手；Install a wrench in the wrench hole of the big nut;
调节支撑液压缸活塞使其带动支撑液压缸杆动作，从而调整支撑块的位置，使支撑块顶在大螺母的内壁上；Adjust the supporting hydraulic cylinder piston to drive the supporting hydraulic cylinder rod to move, thereby adjusting the position of the supporting block, so that the supporting block is pressed against the inner wall of the large nut;
使用吊车通过大螺母吊钩和丝杠吊钩将大螺母及整个辅助安装机构吊到欲安装螺母的轴处，将螺纹丝杠旋入端安装到事先在轴上开好的中心螺纹孔或锥孔内，之后撤掉大螺母吊钩上的绳索，保留丝杠吊钩上的绳索，保证螺纹丝杠水平，扳动扳手和推进螺母，在螺纹丝杠上的推进螺母的推动下，将大螺母安装到轴上，旋进2-3圈之后，松开支撑液压缸杆，继续扳动扳手，直至大螺母到指定位置。Use a crane to lift the large nut and the entire auxiliary installation mechanism to the shaft where the nut is to be installed through the large nut hook and the lead screw hook, and install the screw-in end of the threaded screw into the central threaded hole or taper that has been opened on the shaft in advance. Then remove the rope on the hook of the big nut, keep the rope on the hook of the lead screw, ensure the level of the threaded screw, pull the wrench and push the nut, push the big nut on the threaded screw The nut is installed on the shaft, after screwing in 2-3 turns, loosen the supporting hydraulic cylinder rod, and continue to pull the wrench until the big nut reaches the specified position.
优点及效果：Advantages and effects:
本发明提供一种大型螺母辅助安装机构，包括：支撑块、支撑液压缸杆、支撑液压缸活塞、支撑液压缸体、螺纹丝杠、扳手、吊装挂钩及推进螺母。The invention provides an auxiliary installation mechanism for large nuts, comprising: a support block, a support hydraulic cylinder rod, a support hydraulic cylinder piston, a support hydraulic cylinder body, a threaded screw, a wrench, a hoisting hook and a push nut.
本发明的有益效果是：The beneficial effects of the present invention are:
(1)本发明由于在安装螺母的轴上开有小螺纹孔或锥形孔，使大螺母安装时更容易对中；(1) Since the present invention has a small threaded hole or a tapered hole on the shaft where the nut is installed, it is easier to center the large nut when it is installed;
(2)本发明采用螺纹丝杠，在螺母的安装过程中更容易旋进；(2) The present invention adopts threaded screw, which is easier to screw in during the installation process of the nut;
(3)本发明采用液压缸支撑，操作简单方便。(3) The present invention is supported by a hydraulic cylinder, and the operation is simple and convenient.
附图说明：Description of drawings:
图1为本发明的大型螺母辅助安装机构的径向截面示意图；Fig. 1 is the radial sectional schematic diagram of large nut auxiliary installation mechanism of the present invention;
图2为大型螺母辅助安装机构的侧向截面示意图；Fig. 2 is a lateral cross-sectional schematic diagram of a large nut auxiliary installation mechanism;
图3为大型螺母辅助安装机构的推进螺母的结构示意图。Fig. 3 is a structural schematic diagram of a propulsion nut of a large nut auxiliary installation mechanism.
具体实施方式：下面结合附图对本发明做进一步的描述：The specific embodiment: the present invention will be further described below in conjunction with accompanying drawing:
如图1所示，本发明提供一种大螺母辅助安装机构，该机构包括支撑块1、支撑液压缸杆2、支撑液压缸活塞3、支撑液压缸体4、螺纹丝杠5、安装螺母的轴8、大螺母吊钩9、丝杠吊钩10及推进螺母11，支撑液压缸体4套在螺纹丝杠5上，支撑液压缸杆2的一端伸进支撑液压缸体4内与支撑液压缸体4形成活动的液压缸结构，支撑液压缸杆2伸出支撑液压缸体4的一端设置支撑块1，支撑液压缸杆2伸进支撑液压缸体4内的一端与支撑液压缸体4内的支撑液压缸活塞3连接；推进螺母11安装在螺纹丝杠5的非旋入端，并紧靠支撑液压缸体4。所谓螺纹丝杠5的非旋入端的解释为：螺纹丝杠5使用时有一端需要旋进安装螺母的轴8内，这一段成为旋入端，而另一端与之对应的成为非旋入端。As shown in Figure 1, the present invention provides a large nut auxiliary installation mechanism, which includes a support block 1, a support hydraulic cylinder rod 2, a support hydraulic cylinder piston 3, a support hydraulic cylinder body 4, a threaded screw 5, and a mounting nut. Shaft 8, large nut hook 9, leading screw hook 10 and push nut 11, supporting hydraulic cylinder body 4 is set on threaded screw 5, and one end of supporting hydraulic cylinder rod 2 extends into supporting hydraulic cylinder body 4 and supports hydraulic pressure cylinder body 4. The cylinder block 4 forms a movable hydraulic cylinder structure, and the supporting hydraulic cylinder rod 2 protrudes from one end of the supporting hydraulic cylinder block 4 to set a supporting block 1, and the end of the supporting hydraulic cylinder rod 2 protruding into the supporting hydraulic cylinder block 4 is connected with the supporting hydraulic cylinder block 4 The supporting hydraulic cylinder piston 3 inside is connected; The explanation of the so-called non-screw-in end of the threaded screw 5 is: when the threaded screw 5 is used, one end needs to be screwed into the shaft 8 of the mounting nut, this section becomes the screw-in end, and the other end corresponding to it becomes the non-screw-in end .
支撑块1的外端与大螺母6的接触部位有保护层，防止支撑块1对大螺母6的螺纹造成损伤。The outer end of the support block 1 and the contact portion of the large nut 6 have a protective layer to prevent the support block 1 from damaging the thread of the large nut 6 .
支撑液压缸体4为三支时效果最好，三支支撑液压缸体4以螺纹丝杠5为中心呈等夹角三叉星的结构排列。当然，支撑液压缸体4也可以为其他数量。The effect is best when there are three supporting hydraulic cylinders 4, and the three supporting hydraulic cylinders 4 are arranged in a trident star structure with equal angles around the threaded screw 5 as the center. Of course, the number of supporting hydraulic cylinders 4 can also be other numbers.
大螺母辅助安装机构所实施的大螺母辅助安装方法，在安装大螺母的轴8上预先开好中心螺纹孔或锥形孔；The large nut auxiliary installation method implemented by the large nut auxiliary installation mechanism is to pre-open a central threaded hole or a tapered hole on the shaft 8 where the large nut is installed;
在大螺母6的扳手孔内安装扳手7；Install a wrench 7 in the wrench hole of the big nut 6;
然后向液压缸的靠近螺纹丝杠5的支撑液压缸体4内通入液压油，调节支撑液压缸活塞3使其带动支撑液压缸杆2动作，从而调整支撑块1的位置，使支撑块1顶在大螺母6的内壁上；Then pass hydraulic oil into the supporting hydraulic cylinder body 4 near the threaded screw 5 of the hydraulic cylinder, adjust the supporting hydraulic cylinder piston 3 to make it drive the supporting hydraulic cylinder rod 2, thereby adjusting the position of the supporting block 1, so that the supporting block 1 Stand on the inner wall of the big nut 6;
使用吊车通过大螺母吊钩9和丝杠吊钩10将大螺母及整个辅助安装机构吊到欲安装螺母的轴8处，将螺纹丝杠5 旋入端安装到事先在轴8上开好的中心螺纹孔或锥孔内，之后撤掉大螺母吊钩9上的绳索，保留丝杠吊钩10上的绳索，保证螺纹丝杠5水平，扳动扳手7和推进螺母11，在螺纹丝杠5上的推进螺母11的推动下，将大螺母安装到轴8上，旋进2-3圈之后，松开支撑液压缸杆2，继续扳动扳手7，直至大螺母6到指定位置。Use a crane to lift the large nut and the entire auxiliary installation mechanism to the shaft 8 where the nut is to be installed through the large nut hook 9 and the lead screw hook 10, and install the screw-in end of the threaded screw 5 on the shaft 8 that has been opened in advance. In the central threaded hole or taper hole, remove the rope on the large nut hook 9 afterwards, keep the rope on the lead screw hook 10, ensure that the threaded screw 5 is horizontal, pull the wrench 7 and push the nut 11, Under the promotion of the push nut 11 on the 5, the big nut is installed on the shaft 8, after screwing in 2-3 turns, loosen the supporting hydraulic cylinder rod 2, and continue to pull the wrench 7 until the big nut 6 reaches the designated position.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310048590.0A CN103084829B (en) | 2013-02-07 | 2013-02-07 | Big nut aids in installing mechanism and its auxiliary installation method |
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| CN201310048590.0A CN103084829B (en) | 2013-02-07 | 2013-02-07 | Big nut aids in installing mechanism and its auxiliary installation method |
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| CN103084829A CN103084829A (en) | 2013-05-08 |
| CN103084829B true CN103084829B (en) | 2017-09-29 |
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| CN201310048590.0A Expired - Fee Related CN103084829B (en) | 2013-02-07 | 2013-02-07 | Big nut aids in installing mechanism and its auxiliary installation method |
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| CN104044113B (en) * | 2014-06-20 | 2016-03-30 | 乐清市贝瑞姆电气有限公司 | A kind of whirligig of screw thread valve seat |
| CN108069338A (en) * | 2017-12-21 | 2018-05-25 | 中国船舶重工集团公司第七〇九研究所 | A kind of stern tube shaft nut auxiliary installation device and installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100563859B1 (en) * | 2004-07-20 | 2006-03-23 | 현대모비스 주식회사 | Jack for assembly of rear suspension |
| CN2794724Y (en) * | 2005-06-22 | 2006-07-12 | 长沙金帆机电设备制造有限公司 | Mouth reducer of rubber pipe joint nut |
| CN201120543Y (en) * | 2007-11-29 | 2008-09-24 | 长城汽车股份有限公司 | Mounting jig for support sleeve |
| CN202507043U (en) * | 2012-03-21 | 2012-10-31 | 中国建筑第七工程局有限公司 | Tool especially used for dismounting hub bearing of engineering machinery |
| CN203076885U (en) * | 2013-02-07 | 2013-07-24 | 沈阳工业大学 | Auxiliary mounting mechanism for large nuts |
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Granted publication date: 20170929 Termination date: 20190207 |