CN108827544B - Self-adaptive floating device for extension rod - Google Patents
Self-adaptive floating device for extension rod Download PDFInfo
- Publication number
- CN108827544B CN108827544B CN201810419150.4A CN201810419150A CN108827544B CN 108827544 B CN108827544 B CN 108827544B CN 201810419150 A CN201810419150 A CN 201810419150A CN 108827544 B CN108827544 B CN 108827544B
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- China
- Prior art keywords
- floating
- connecting rod
- rod
- fixed
- central hole
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- 238000007667 floating Methods 0.000 title claims abstract description 71
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an adaptive floating device of an extension rod, which comprises a driving cylinder, a floating device pushed by the driving cylinder and the extension rod, wherein one end of the driving cylinder connected with the floating device is provided with a central hole, and the outer wall of the central hole is connected with a hollow fixed connecting rod; the floating device comprises a floating connecting rod connected with the tail end of the floating joint, a boss is arranged at the front end of the floating connecting rod body and is positioned in a central hole of the driving cylinder and a hollow fixed connecting rod, a small-diameter thin rod is formed at the tail end of the floating connecting rod body and extends into a central hole at one end of the rod, a fixed sleeve is arranged outside the floating connecting rod body, and the fixed sleeve is connected with the fixed connecting rod through a fixed bracket; a pressure spring is arranged between the floating connecting rod body and the fixed sleeve; the fixed sleeve and the extension rod are connected through a pair of concave spherical pads and a convex spherical pad. The beneficial effects of the invention are as follows: it is possible to enter the hole in the event of deviations in the position and to adapt its deviations automatically.
Description
Technical Field
The invention relates to the technical field of mechanical floating devices, in particular to an adaptive floating device for an extension rod.
Background
Mechanical floating devices are an important technology in modern industrial equipment and are effective solutions for adapting to make up for the positional deviation of workpieces. In the manufacturing process of an automobile engine block, some machined holes need to be deep into the holes for tightness detection. Because the holes with low required position degree are processed, the positions of the same holes on each cylinder part are deviated, and when the plugging device in the deep hole is fixed at a certain position, the plugging device cannot adapt to the plugging of the same holes of all parts, and the processing and manufacturing processes of the parts are affected.
Disclosure of Invention
The invention aims to provide a floating device capable of adapting to the position deviation of an aperture in an aperture under the condition that the aperture has a certain deviation.
In order to solve the technical problems, the invention adopts the following technical scheme: the self-adaptive floating device for the extension rod comprises a driving cylinder, a floating device pushed by the driving cylinder and the extension rod, wherein a central hole is formed in one end, connected with the floating device, of the driving cylinder, and the outer wall of the central hole is connected with a hollow fixed connecting rod; the floating device comprises a floating connecting rod connected with the tail end of a floating joint, a boss is arranged at the front end of the floating connecting rod body and is positioned in a central hole of the driving cylinder and a central hole of one end of a hollow fixed connecting rod, a small-diameter thin rod is formed at the tail end of the floating connecting rod body and extends into the central hole of one end of the rod, a fixed sleeve is arranged outside the floating connecting rod body, and the fixed sleeve is connected with the fixed connecting rod through a fixed bracket; a pressure spring is arranged between the floating connecting rod body and the fixed sleeve; the fixed sleeve is connected with the extending rod through a pair of concave spherical pads and a pair of convex spherical pads.
The floating joint is provided with a groove which is connected with the floating connecting rod in a matching way.
Gaps are respectively arranged between the floating connector and the floating connecting rod and between the floating connecting rod and the fixed sleeve.
And a chamfer is arranged at the end part extending out of the deep hole of the rod.
The beneficial effects of the invention are as follows: it is possible to enter the hole in the event of deviations in the position and to adapt its deviations automatically.
Drawings
FIG. 1 is a schematic view of an adaptive floating device for an extension rod according to the present invention.
In the figure:
1. drive cylinder 2, floating joint 3, fixed connecting rod
4. Floating connecting rod 5, fixing sleeve 6 and fixing support
7. Compression spring 8, concave spherical pad 9, convex spherical pad
10. Extension rod
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1, an extension pole adaptive floating device, comprising: the device comprises a driving cylinder 1, a floating joint 2, a driving cylinder fixing connecting rod 3, a floating connecting rod 4, a fixing sleeve 5, a fixing support 6, a pressure spring 7, a concave spherical pad 8, a convex spherical pad 9 and an extension rod 10, wherein the floating joint 2 is movably connected with the floating connecting rod to form a floating device. One end of the driving cylinder 1 connected with the floating device is provided with a central hole, and the outer wall of the central hole is connected with a hollow fixed connecting rod 3; the floating device comprises a floating connecting rod 4 connected with the tail end of a floating joint 2, a boss is arranged at the front end of a floating connecting rod 4 body and is positioned in a central hole of a driving cylinder 1 and a central hole of one end of a hollow fixed connecting rod 3, a small-diameter thin rod is formed at the tail end of the floating connecting rod body and extends into the central hole of one end of a rod 10, a fixed sleeve 5 is arranged outside the floating connecting rod body, and the fixed sleeve 5 is connected with the fixed connecting rod 3 through a fixed bracket 6; a pressure spring 7 is arranged between the floating connecting rod body and the fixed sleeve 5; the fixed sleeve 5 and the extension rod 10 are connected through a pair of concave spherical pads 8 and convex spherical pads 9. The floating joint 2 is provided with a groove which is connected with the floating connecting rod 4 in a matching way.
There is certain clearance between the floating joint 2 and the floating connecting rod 4, there is certain clearance between the floating connecting rod 4 and the fixed sleeve 5, there is a pressure spring 7 between the floating connecting rod 4 and the fixed sleeve 5, and the concave spherical pad 8 and the convex spherical pad 9 mutually cooperate, so that the mechanism forms a floating state.
The end of the protruding rod 10 for plugging is chamfered and is easily introduced into the hole.
In case of a certain deviation of the hole position, the floating device can adapt to the position deviation of the hole and enter the hole.
Hole air tightness detection working principle:
the part extending out of the hole of the rod plugging device is provided with a sealing ring, after the plugging device enters the hole, the sealing ring is expanded and tightly attached to the hole wall, so that the cavity formed by the hole is isolated from the outside, the cavity formed by the hole is filled with gas with certain pressure, and whether the leakage amount of the gas in unit time is within a specified range is detected by an airtight detecting instrument.
Claims (1)
1. An extension rod self-adaptive floating device is characterized in that: the device comprises a driving cylinder, a floating device pushed by the driving cylinder and an extending rod, wherein a central hole is formed in one end, connected with the floating device, of the driving cylinder (1), and the outer wall of the central hole is connected with a hollow fixed connecting rod (3); the floating device comprises a floating connecting rod (4) connected with the tail end of a floating joint (2), a boss is arranged at the front end of a floating connecting rod (4) body and is positioned in a central hole of a driving cylinder (1) and a hollow fixed connecting rod (3), a small-diameter thin rod is formed at the tail end of the floating connecting rod and extends into a central hole at one end of a rod (10), a fixed sleeve (5) is arranged outside the floating connecting rod (4), and the fixed sleeve (5) is connected with the fixed connecting rod (3) through a fixed bracket (6); a pressure spring (7) is arranged between the floating connecting rod (4) and the fixed sleeve (5); the fixed sleeve (5) is connected with the extension rod (10) through a pair of concave spherical pads (8) and convex spherical pads (9); the floating joint (2) is provided with a groove which is connected with the floating connecting rod (4) in a matching way; gaps are respectively arranged between the floating joint (2) and the floating connecting rod (4) and between the floating connecting rod (4) and the fixed sleeve (5), and chamfer angles are arranged at the end parts of the extending rods (10) which extend into the processing holes to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810419150.4A CN108827544B (en) | 2018-05-04 | 2018-05-04 | Self-adaptive floating device for extension rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810419150.4A CN108827544B (en) | 2018-05-04 | 2018-05-04 | Self-adaptive floating device for extension rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108827544A CN108827544A (en) | 2018-11-16 |
| CN108827544B true CN108827544B (en) | 2024-03-29 |
Family
ID=64147395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810419150.4A Active CN108827544B (en) | 2018-05-04 | 2018-05-04 | Self-adaptive floating device for extension rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108827544B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266393A (en) * | 2008-04-22 | 2009-11-12 | Yokogawa Electric Corp | Floating mechanism |
| CN201346716Y (en) * | 2008-12-26 | 2009-11-18 | 重庆宗申发动机制造有限公司 | Engine cylinder body turning positioning frock |
| CN201625823U (en) * | 2010-03-24 | 2010-11-10 | 中国电子科技集团公司第二研究所 | Mechanical compaction welding device for processing multi-layer green ceramic sheets |
| CN202770632U (en) * | 2012-08-21 | 2013-03-06 | 上海华依科技发展有限公司 | Oil leveler opening plugging mechanism |
| CN203831181U (en) * | 2014-03-17 | 2014-09-17 | 重庆高金实业有限公司 | Workpiece in-place installation detecting device |
| CN205038016U (en) * | 2015-09-17 | 2016-02-17 | 青岛华涛汽车模具有限公司 | Airtight floating shutoff that detects machine of car intake pipe |
| CN205642767U (en) * | 2016-05-05 | 2016-10-12 | 青岛华涛汽车模具有限公司 | Double -barrelled block structure |
| CN206723442U (en) * | 2017-04-14 | 2017-12-08 | 大连豪森瑞德设备制造有限公司 | Floating type plugging structure |
| CN208313512U (en) * | 2018-05-04 | 2019-01-01 | 天津城建大学 | A kind of extension bar self-adapting float device |
-
2018
- 2018-05-04 CN CN201810419150.4A patent/CN108827544B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266393A (en) * | 2008-04-22 | 2009-11-12 | Yokogawa Electric Corp | Floating mechanism |
| CN201346716Y (en) * | 2008-12-26 | 2009-11-18 | 重庆宗申发动机制造有限公司 | Engine cylinder body turning positioning frock |
| CN201625823U (en) * | 2010-03-24 | 2010-11-10 | 中国电子科技集团公司第二研究所 | Mechanical compaction welding device for processing multi-layer green ceramic sheets |
| CN202770632U (en) * | 2012-08-21 | 2013-03-06 | 上海华依科技发展有限公司 | Oil leveler opening plugging mechanism |
| CN203831181U (en) * | 2014-03-17 | 2014-09-17 | 重庆高金实业有限公司 | Workpiece in-place installation detecting device |
| CN205038016U (en) * | 2015-09-17 | 2016-02-17 | 青岛华涛汽车模具有限公司 | Airtight floating shutoff that detects machine of car intake pipe |
| CN205642767U (en) * | 2016-05-05 | 2016-10-12 | 青岛华涛汽车模具有限公司 | Double -barrelled block structure |
| CN206723442U (en) * | 2017-04-14 | 2017-12-08 | 大连豪森瑞德设备制造有限公司 | Floating type plugging structure |
| CN208313512U (en) * | 2018-05-04 | 2019-01-01 | 天津城建大学 | A kind of extension bar self-adapting float device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108827544A (en) | 2018-11-16 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210129 Address after: 300384 unit D, 1st floor, block C1, Xinmao Science Park, Huayuan Industrial Zone, Tianjin New Technology Industrial Park, Xiqing District, Tianjin Applicant after: KEENLAND (TIANJIN) PRECISION MANUFACTURING Co.,Ltd. Address before: 300384 No. 26, Jing Jing Road, Xiqing District, Tianjin Applicant before: Tianjin Chengjian University Applicant before: KEENLAND (TIANJIN) PRECISION MANUFACTURING Co.,Ltd. |
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