CN108019400B - Flange with anti-slip convex gasket and pressure sensor and manufacturing method - Google Patents
Flange with anti-slip convex gasket and pressure sensor and manufacturing method Download PDFInfo
- Publication number
- CN108019400B CN108019400B CN201711041320.1A CN201711041320A CN108019400B CN 108019400 B CN108019400 B CN 108019400B CN 201711041320 A CN201711041320 A CN 201711041320A CN 108019400 B CN108019400 B CN 108019400B
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- flange
- layer
- strain gauge
- slip
- resistance strain
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 54
- 238000012856 packing Methods 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims abstract description 4
- 238000010146 3D printing Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000000605 extraction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of flanges, in particular to a flange with a non-slip convex gasket and a pressure sensor and a manufacturing method thereof. The utility model provides a flange with non-slip raised formula packing ring and pressure sensor includes the bolt mounting hole that sets up on flange, the flange is last to be located the terminal surface of bolt mounting hole and to be equipped with the annular packing ring of integration, the annular packing ring includes non-conductive bottom, metal resistance strain gauge layer, nonconductive skid resistant course in proper order, the bottom combines together with the terminal surface of bolt mounting hole, metal resistance strain gauge layer combines together with the bottom, skid resistant course combines together with metal resistance strain gauge layer, and is equipped with the non-slip raised on the skid resistant face on skid resistant course. According to the invention, the gasket with the built-in metal resistance strain gauge is integrally arranged on the bolt hole of the flange, the pressure of the bolt is transmitted to the metal resistance strain gauge, and the dynamic monitoring of the pretightening force of the bolt can be realized by connecting the metal resistance strain gauge to a monitoring control system.
Description
Technical Field
The invention relates to the technical field of flanges, in particular to a flange with a non-slip convex gasket and a pressure sensor and a manufacturing method thereof.
Background
The flange is widely applied to various industrial equipment fields such as fluid pipeline connection in chemical industry and water conservancy industry, barrel connection of wind power tower barrels in wind power generation industry, connection between containers of pressure containers and the like, is also commonly used for connection between shafts in the mechanical field, and is an important stress piece. For better strength, the flanges are usually made of metallic materials, such as carbon steel, stainless steel, etc.
The flange connection is typically bolted. In important application occasions, in order to enable flange connection to be stable and reliable and prevent loosening in the running process, a proper pretightening force is required to be arranged on the bolt. Torque wrenches are commonly used in the prior art to pretension the bolt to achieve a proper initial pretension. However, due to the factors such as thermal deformation, load change, vibration and the like which can occur in the running process of the equipment, or due to the influence of rust of the bolts or washers, the pretightening force of the bolts can be changed, and the pretightening force is over-loosened or over-tightened. Too tightly the bolt pretightning force can make the bolt overload and fracture, and the bolt pretightning force is too loose can make the bolt further become flexible, both can lead to equipment failure, even lead to major equipment incident under serious condition.
Therefore, for the occasions requiring high reliability, such as occasions involving leakage of toxic gas or liquid in a pipeline or nuclear leakage, the initial pretightening force is set only by means of equipment installation, so that the requirement of high reliability of equipment using conditions can not be met, and therefore, a technology capable of dynamically monitoring the pretightening force of a bolt during equipment installation and using is urgently required to be developed.
Disclosure of Invention
In order to solve the problems, prevent the loosening of the bolt in the running process of the equipment, realize the dynamic monitoring of the pretightening force of the bolt, improve the reliability of the running of the equipment, the invention provides a flange with a non-slip convex gasket and a pressure sensor and a manufacturing method, and the specific technical scheme is as follows:
the utility model provides a flange with non-slip raised formula packing ring and pressure sensor, includes the bolt mounting hole that sets up on flange, the flange is last to be located the integration on the terminal surface of bolt mounting hole and be equipped with annular packing ring, annular packing ring includes non-conductive bottom, metal resistance strain gauge layer, nonconductive skid resistant course in proper order, the bottom combines together with the terminal surface of bolt mounting hole, metal resistance strain gauge layer combines together with the bottom, skid resistant course combines together with metal resistance strain gauge layer, and is equipped with the non-slip raised on the skid resistant face on skid resistant course.
According to the technical scheme, the gasket with the built-in metal resistance strain gauge is integrally arranged on the bolt hole of the flange, the metal resistance strain gauge is a pressure sensor, when the bolt is pre-tightened, the pressure of the bolt is transmitted to the metal resistance strain gauge, and the dynamic monitoring of the pre-tightening force of the bolt can be realized by connecting the metal resistance strain gauge to the monitoring control system. In addition, the arrangement of the anti-slip protrusions on the annular gasket can improve the pre-tightening reliability of the bolts and effectively prevent the loosening of the bolts. Moreover, the annular gasket integrated with the flange can play a role in monitoring the pre-tightening of the bolts, and the anti-slip protrusions arranged on the annular gasket have a good anti-loosening function of the bolts, so that the working reliability of the equipment can be greatly improved.
As one of the preferable schemes, the metal resistance strain gauge layer is a foil type metal strain gauge and is provided with two leading-out terminals.
As a second preferable scheme, the metal resistance strain gauge layer is a metal wire strain gauge and is provided with two leading-out terminals.
Preferably, the metal resistance strain gauge layer has a grid-like structure distributed in a circumferential radial manner. The grid-shaped structure with circumferential radial distribution has better sensitivity.
In order to facilitate the extraction of the extraction terminals, the annular gasket is provided with an extended flange on the bottom layer, and the two extraction terminals are connected to the upper plane of the flange.
Preferably, the bottom layer material is nylon.
Preferably, the material of the anti-slip layer is nylon.
The manufacturing method of the flange with the anti-slip convex gasket and the pressure sensor comprises the following process steps:
step 1, manufacturing a flange blank, wherein the blank is a metal blank, and the metal blank is any one of a forging, a plate and a casting;
step 2, machining an outer circle, an inner hole and two end surfaces of the flange;
step 3, machining a bolt mounting hole;
step 4, performing computer 3D modeling of the annular gasket, and inputting 3D modeling data into a 3D printer;
step 5, printing the bottom layer of the annular gasket by adopting a 3D printer;
step 6, printing the metal resistance strain gauge layer by adopting a 3D printer;
and 7, printing an anti-slip layer of the annular gasket by using a 3D printer, wherein the anti-slip layer comprises anti-slip protrusions.
The beneficial effects of the invention are as follows:
firstly, according to the flange with the anti-slip convex gasket and the pressure sensor, the annular gasket with the built-in metal resistance strain gauge is integrally arranged on the bolt hole of the flange, the metal resistance strain gauge is a pressure sensor, when the bolt is pre-tightened, the pressure of the bolt is transmitted to the metal resistance strain gauge, and the dynamic monitoring of the pre-tightening force of the bolt can be realized by connecting the metal resistance strain gauge to a monitoring control system.
Secondly, according to the flange with the anti-slip convex gasket and the pressure sensor, the anti-slip convex on the annular gasket can improve the pre-tightening reliability of the bolt and effectively prevent the loosening of the bolt. The annular gasket integrated with the flange not only has the function of bolt pre-tightening monitoring, but also has a good function of preventing the bolt from loosening, so that the working reliability of equipment can be greatly improved.
Third, according to the flange with the anti-slip convex gasket and the pressure sensor, the annular gasket and the flange are integrally arranged, and the annular gasket cannot rotate like a conventional common gasket when the bolt is pre-tightened, so that the pressure born by the metal resistance strain gauge arranged in the annular gasket is stable, the pre-tightening condition of the bolt can be accurately reflected, and the interference of extra stress generated when the annular gasket rotates when the pre-tightening force is set can be avoided.
Fourth, the flange with the anti-slip convex gasket and the pressure sensor provided by the invention has the advantages that the metal resistance strain gauge is packaged in the annular gasket, compared with the conventional patch type strain gauge, the flange with the anti-slip convex gasket and the pressure sensor is not influenced by adhesive failure, and the flange with the anti-slip convex gasket has long service life and high reliability.
Fifth, the flange with the anti-slip convex gasket and the pressure sensor has the advantages that the annular gasket is arranged on the flange, so that the gasket is not required to be additionally added during installation, and the problem of loosening of bolts caused by rust of the externally added gasket can be avoided.
Sixth, the flange with the anti-slip convex gasket and the pressure sensor adopts a 3D printing technology, the annular gasket is integrally printed on the flange, the annular gasket and the flange are firmly and reliably combined, the precision is high, the reliability of the pretightening force of the metal resistance strain gauge detection bolt is improved, the 3D printing annular gasket can be used for realizing the rapid manufacturing of new products under the condition of single-piece or small-batch production, and the defects of long manufacturing cycle and high cost of the annular gasket caused by adopting methods such as conventional die manufacturing or numerical control processing are overcome.
Drawings
FIG. 1 is a schematic illustration of a flange with a stud-type gasket and pressure sensor of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a view in the direction K of FIG. 2;
fig. 4 is a schematic structural view of a metal resistance strain gauge layer.
In the figure: 1. flange, 2, bolt mounting hole, 3, ring gasket, 4, non-conductive bottom layer, 5, metal resistance strain gauge layer, 6, non-conductive anti-slip layer, 7, non-slip protrusion, 8, leading-out terminal, 9, extended flange.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1
An embodiment of a flange with a non-slip convex gasket and a pressure sensor according to the invention is shown in fig. 1 to 4, and comprises a flange 1, a bolt mounting hole 2 arranged on the flange 1, an annular gasket 3 integrally arranged on the end face of the bolt mounting hole 2 on the flange 1, wherein the annular gasket 3 sequentially comprises a non-conductive bottom layer 4, a metal resistance strain gauge layer 5 and a non-conductive non-slip layer 6, the bottom layer 4 is combined with the end face of the bolt mounting hole 2, the metal resistance strain gauge layer 5 is combined with the bottom layer 4, the non-slip layer 6 is combined with the metal resistance strain gauge layer 5, and a non-slip convex 7 is arranged on the non-slip face of the non-slip layer 6.
As one of the preferable aspects of the present embodiment, the metal resistance strain gauge layer 5 is a foil-type metal strain gauge, and is provided with two lead-out terminals 8.
As a second preferred aspect of the present embodiment, the metal resistance strain gauge layer 5 is a metal wire strain gauge, and is provided with two lead-out terminals 8.
In this embodiment, the metal resistance strain gauge layer 5 has a grid structure radially distributed in a circumferential direction.
In this embodiment, the ring gasket 3 is provided with an extending flange 9 on the bottom layer 4, and the two lead-out terminals 8 are connected to the upper plane of the flange 9.
In this embodiment, the material of the bottom layer 4 is nylon.
In this embodiment, the material of the anti-slip layer 6 is nylon.
Example 2
The manufacturing method of the flange adopting the embodiment 1 comprises the following process steps:
step 1, manufacturing a flange blank, wherein the blank is a metal blank, and the metal blank is any one of a forging, a plate and a casting;
step 2, machining an outer circle, an inner hole and two end surfaces of the flange;
step 3, machining a bolt mounting hole;
step 4, performing computer 3D modeling of the annular gasket, and inputting 3D modeling data into a 3D printer;
step 5, printing the bottom layer of the annular gasket by adopting a 3D printer;
step 6, printing the metal resistance strain gauge layer by adopting a 3D printer;
and 7, printing an anti-slip layer of the annular gasket by using a 3D printer, wherein the anti-slip layer comprises anti-slip protrusions.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. The utility model provides a flange with non-slip raised formula packing ring and pressure sensor, includes the bolt mounting hole that sets up on flange, the flange and connects the annular packing ring of bolt mounting hole terminal surface, its characterized in that: the flange is provided with a double integrated structure, wherein the double integrated structure means that the annular gasket is formed by completely adopting 3D printing integration, and the connection between the annular gasket and the flange is also formed by completely adopting 3D printing integration; the annular gasket sequentially comprises a non-conductive bottom layer, a metal resistance strain gauge layer and a non-conductive anti-slip layer, wherein the non-conductive bottom layer and the end face of the bolt mounting hole are integrally combined through 3D printing, the metal resistance strain gauge layer and the non-conductive bottom layer are integrally combined through 3D printing, the non-conductive anti-slip layer and the metal resistance strain gauge layer are integrally combined through 3D printing, and anti-slip protrusions which are formed through 3D printing and are distributed at intervals are arranged on the anti-slip surface of the non-conductive anti-slip layer; wherein the bottom layer material is nylon; the anti-slip layer is made of nylon;
the non-conductive bottom layer, the metal resistance strain gauge layer and the non-conductive anti-slip layer comprising the anti-slip protrusions are printed on the bolt mounting hole of the flange in sequence through a 3D printer, so that an annular gasket coaxial with the bolt mounting hole is integrally formed on the end face of the bolt mounting hole of the flange; wherein the metallic resistive strain gauge layer thereof is fully enclosed between the non-conductive underlayer and the non-conductive anti-slip layer and remains coaxial with the bolt mounting hole after 3D printing;
the metal resistance strain gauge layer is provided with two leading-out terminals, the annular gasket is provided with an extending flange on the non-conductive bottom layer, and the two leading-out terminals are led out of a closed space between the non-conductive bottom layer and the non-conductive anti-slip layer and then are connected to the upper plane of the flange.
2. A flange with a stud washer and pressure sensor as claimed in claim 1, wherein: the metal resistance strain gauge layer is a foil type metal strain gauge.
3. A flange with a stud washer and pressure sensor as claimed in claim 1, wherein: the metal resistance strain gauge layer is a metal wire strain gauge.
4. A flange with a non-slip raised gasket and pressure sensor according to claim 2 or 3, wherein: the metal resistance strain gauge layer is provided with a grid-shaped structure which is distributed in a circumferential radial mode.
5. A flange with a stud washer and pressure sensor as set forth in claim 4, wherein: the manufacturing method of the flange with the anti-slip convex gasket and the pressure sensor comprises the following process steps:
step 1, manufacturing a flange blank, wherein the blank is a metal blank, and the metal blank is any one of a forging, a plate and a casting;
step 2, machining an outer circle, an inner hole and two end surfaces of the flange;
step 3, machining a bolt mounting hole;
step 4, performing computer 3D modeling of the annular gasket, and inputting 3D modeling data into a 3D printer;
step 5, printing the bottom layer of the annular gasket by adopting a 3D printer;
step 6, printing the metal resistance strain gauge layer by adopting a 3D printer;
step 7, printing an anti-slip layer of the annular gasket by adopting a 3D printer, so that the annular gasket coaxial with the bolt mounting hole is integrally formed on the end face of the bolt mounting hole of the flange; the anti-slip layer is made of nylon and comprises anti-slip protrusions; wherein the metallic resistive strain gauge layer thereof is fully enclosed between the non-conductive underlayer and the non-conductive anti-slip layer and remains coaxial with the bolt mounting hole after 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041320.1A CN108019400B (en) | 2017-10-30 | 2017-10-30 | Flange with anti-slip convex gasket and pressure sensor and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041320.1A CN108019400B (en) | 2017-10-30 | 2017-10-30 | Flange with anti-slip convex gasket and pressure sensor and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108019400A CN108019400A (en) | 2018-05-11 |
| CN108019400B true CN108019400B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711041320.1A Active CN108019400B (en) | 2017-10-30 | 2017-10-30 | Flange with anti-slip convex gasket and pressure sensor and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108019400B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163828A (en) * | 2018-08-02 | 2019-01-08 | 武汉华星光电半导体显示技术有限公司 | A kind of resistance strain gage and pressure sensor |
| CN108705268B (en) * | 2018-08-15 | 2020-05-19 | 江苏振江新能源装备股份有限公司 | Land wind driven generator flange machining process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6378384B1 (en) * | 1999-08-04 | 2002-04-30 | C-Cubed Limited | Force sensing transducer and apparatus |
| CN103323170A (en) * | 2013-06-14 | 2013-09-25 | 内蒙古第一机械集团有限公司 | Pretightening force measuring system and method of bolt set connection |
| DE202013010397U1 (en) * | 2013-11-18 | 2014-11-03 | Lannewehr + Thomson GmbH & Co. KG | Washer assembly for determining the biasing force of a threaded connection |
| CN204572705U (en) * | 2015-04-03 | 2015-08-19 | 温州繁兴汽车零部件有限公司 | A kind of nut of belt washer |
| CN104963928A (en) * | 2015-07-22 | 2015-10-07 | 李圣用 | System for reducing wind driven generator bolt scheduled maintenance frequency |
| CN106248266A (en) * | 2016-07-18 | 2016-12-21 | 梁婵 | Resistance strain type sensor and the manufacture method thereof of processing is printed based on 3D |
| CN107152449A (en) * | 2017-06-30 | 2017-09-12 | 大连理工大学 | It is a kind of that the intelligent gasket device that monitoring bolt loosens is used for based on fiber grating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2801739A3 (en) * | 2013-05-10 | 2015-04-29 | FOCE Technology International B.V. | Gasket pressure sensor |
-
2017
- 2017-10-30 CN CN201711041320.1A patent/CN108019400B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6378384B1 (en) * | 1999-08-04 | 2002-04-30 | C-Cubed Limited | Force sensing transducer and apparatus |
| CN103323170A (en) * | 2013-06-14 | 2013-09-25 | 内蒙古第一机械集团有限公司 | Pretightening force measuring system and method of bolt set connection |
| DE202013010397U1 (en) * | 2013-11-18 | 2014-11-03 | Lannewehr + Thomson GmbH & Co. KG | Washer assembly for determining the biasing force of a threaded connection |
| CN204572705U (en) * | 2015-04-03 | 2015-08-19 | 温州繁兴汽车零部件有限公司 | A kind of nut of belt washer |
| CN104963928A (en) * | 2015-07-22 | 2015-10-07 | 李圣用 | System for reducing wind driven generator bolt scheduled maintenance frequency |
| CN106248266A (en) * | 2016-07-18 | 2016-12-21 | 梁婵 | Resistance strain type sensor and the manufacture method thereof of processing is printed based on 3D |
| CN107152449A (en) * | 2017-06-30 | 2017-09-12 | 大连理工大学 | It is a kind of that the intelligent gasket device that monitoring bolt loosens is used for based on fiber grating |
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| Publication number | Publication date |
|---|---|
| CN108019400A (en) | 2018-05-11 |
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