CN108051130A - It is a kind of to turn round caliberating device and the method for establishing unprincipled connection - Google Patents
It is a kind of to turn round caliberating device and the method for establishing unprincipled connection Download PDFInfo
- Publication number
- CN108051130A CN108051130A CN201711293807.9A CN201711293807A CN108051130A CN 108051130 A CN108051130 A CN 108051130A CN 201711293807 A CN201711293807 A CN 201711293807A CN 108051130 A CN108051130 A CN 108051130A
- Authority
- CN
- China
- Prior art keywords
- screw
- torque
- tested
- torsion
- connection
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
Abstract
The invention discloses a kind of torsions to establish unprincipled connection caliberating device and method, and torsion caliberating device of establishing unprincipled connection includes：Pedestal, offers threaded hole on the pedestal, and the diameter of the threaded hole is corresponding with the diameter of screw to be tested；Multiple pressure sensors are arranged in the pedestal, and are arranged at intervals in the periphery of the threaded hole；Display is connected with each pressure sensor, for showing pressure value that each pressure sensor is detected.The torsion of the embodiment of the present invention is established unprincipled connection caliberating device, pass through the pretightning force of pressure sensor measuring bolt, and the torque value during setting is twisted with reference to screw, it realizes the calibration that the torsion of the threaded connectors such as screw is established unprincipled connection, has great significance for the anti-loosening property and definite assembly technology for assessing connector.
Description
Technical field
The present invention relates to mechanical engineering technical fields more particularly to a kind of torsion to establish unprincipled connection caliberating device and method.
Background technology
Be threaded in extensive use in engineering, the reliability of threaded connection be ensure Performance of Mechanical Products it is main because
Element.In engineer application, the axial pre tightening force that assembling stage provides has properties of product vital influence.And it actually fills
With link, screw is generally tightened by operator using hand-operated tools such as torque wrenches, i.e., by applying one to threaded connector
A torque generates suitable pretightning force.The differences such as the material due to friction, machining accuracy, connector and connected piece, worker's hand
Work, which tightens the pretightning force that applied torque generates, very big discreteness.This just need to know to the torque that screw applies with it is pre-
Relation between clamp force.But for the miniature screw being widely used in the fields such as aerospace, there is presently no method with
Equipment realizes the calibration that its torsion is established unprincipled connection.Therefore, there is an urgent need for a kind of torsions that can realize miniature screw to establish unprincipled connection scaling method with filling
It puts.
The content of the invention
Caliberating device and the method for establishing unprincipled connection are turned round in order to solve the above technical problem, the present invention provides a kind of, solves spiral shell
Nail turns round the problem of calibrating established unprincipled connection.
One side according to the invention provides a kind of torsion and establishes unprincipled connection caliberating device, including：
Pedestal, offers threaded hole on the pedestal, and the diameter of the threaded hole is corresponding with the diameter of screw to be tested；
Multiple pressure sensors are arranged in the pedestal, and are arranged at intervals in the periphery of the threaded hole；
Display is connected with each pressure sensor, for showing pressure that each pressure sensor is detected
Force value.
Optionally, the pedestal is internally provided with connection passage, wherein the pressure sensor and the display
The connecting line that device is connected is arranged in the connection passage.
Optionally, extension is provided on the end face of the pedestal, is provided on the extension and the connection
The through hole of passage connection.
Optionally, the quantity of the extension is identical with the quantity of the pressure sensor, each pressure sensor
The connecting line being connected with the display is pierced by respectively by an extension.
Optionally, the quantity of the pressure sensor is six.
Optionally, the caliberating device further includes：For in the threaded hole, and screw-driving to be tested to be fed back torsion
The torque control device of square numerical value.
Other side according to the invention is provided and a kind of established unprincipled connection using the establish unprincipled connection torsion of caliberating device of above-mentioned torsion
Scaling method, the described method includes：
By screw placement to be tested in the threaded hole；
The screw to be tested is made to twist the torque on the pedestal screw application to be tested, and obtain to twist and set
Torque value during process；
The pressure value of each pressure sensor detection is obtained by the display；
The torque coefficient of the screw to be tested is calculated according to the torque value and the pressure value.
Optionally, the screw to be tested is made to twist the torque on the pedestal screw application to be tested, and
The step of twisting torque value when setting process is obtained to perform by a torque control device.
Optionally, the step of the torque coefficient of the screw to be tested is calculated according to the torque value and the pressure value
Suddenly include：
The screw to be tested is calculated according to the pressure value and is twisting the pretightning force during setting；
The torque coefficient of the screw to be tested is calculated according to the torque value and the pretightning force.
Optionally, the sum for the pressure value that the pretightning force detects for each pressure sensor.
Optionally, the step of torque coefficient of the screw to be tested being calculated according to the torque value and the pretightning force
Including：
Pass through formulaDraw the torque coefficient；
Wherein, K represents torque coefficient, and T represents torque, and F represents pretightning force, and D represents the nominal diameter of screw to be tested.
The advantageous effect of the embodiment of the present invention is：
Torsion in said program is established unprincipled connection caliberating device, by the pretightning force of pressure sensor measuring bolt, and with reference to spiral shell
Nail twists the torque value during setting, and the calibration that the torsion of the threaded connectors such as screw is established unprincipled connection is realized, for assessing connector
Anti-loosening property and definite assembly technology have great significance.
Description of the drawings
Torsion Fig. 1 shows the embodiment of the present invention is established unprincipled connection the structure chart of caliberating device；
Fig. 2 represents that the torsion of the embodiment of the present invention is established unprincipled connection the flow chart of scaling method.
Wherein in figure：1st, pedestal, 2, threaded hole, 3, pressure sensor, 4, display；
11st, connection passage, 12, extension.
Specific embodiment
Exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although the present invention is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to be best understood from the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
Completely it is communicated to those skilled in the art.
As shown in Figure 1, caliberating device of establishing unprincipled connection is turned round the embodiment provides a kind of, including：
Pedestal 1 offers threaded hole 2, the diameter of the threaded hole 2 and the diameter of screw to be tested on the pedestal 1
It is corresponding；
Multiple pressure sensors 3 are arranged in the pedestal 1, and are arranged at intervals in the periphery of the threaded hole 2；
Display 4 is connected with each pressure sensor 3, is detected for showing each pressure sensor 3
Pressure value.
In the embodiment, offered on the pedestal 1 with the threaded hole of screw fit to be tested 2, in the threaded hole 2
Around, uniform intervals are provided with multiple pressure sensors 3, and the pressure sensor 3 is shown by connecting line and external
Show that device 4 connects, and the thinner thickness of the pressure sensor 3, it is preferable that the thickness of the pressure sensor 3 is 3.5mm.
In calibration process of establishing unprincipled connection the torsion of the screw to be tested, the screw to be tested in the threaded hole 2 is tightened, is obtained
The torque value of rundown process, the pressure sensor 3 can survey screw pretightning force to be tested in real time in rundown process
Amount, and according to the pretightning force measured by multiple pressure sensors 3 shown on display 4, can realize torque coefficient
It calculates.
The relation for establishing unprincipled connection to refer between torque that threaded connector applies in fastener cycle and the pretightning force of generation is turned round,
Torque coefficient is the embodiments of relation between torque and pretightning force.It establishes unprincipled connection to demarcate to the torsion of screw, that is, asks torsion
Moment coefficient value.Torsion caliberating device of establishing unprincipled connection can realize the calibration that the torsion of the threaded connectors such as screw is established unprincipled connection, and connect for assessment
The anti-loosening property of fitting and definite assembly technology are laid a good foundation.
In the above embodiment of the present invention, the pedestal 1 is internally provided with connection passage 11, wherein the pressure
Sensor 3 is arranged at the connecting line that the display 4 is connected in the connection passage 11.
Specifically, extension 12 is provided on the end face of the pedestal 1, is provided on the extension 12 and the circuit
The through hole that interface channel 11 connects.
The quantity of the extension 12 is identical with the quantity of the pressure sensor 3, each pressure sensor 3 and institute
The connecting line that display 4 is connected is stated to be pierced by by an extension 12 respectively.
In the embodiment, the end face of the pedestal 1 is adjacent with opening up the surface of the threaded hole 2 on the pedestal 1
Face, the extension 12 are arranged on the end face of the pedestal 1, are connected with the connection passage 11 inside the pedestal 1, institute
Connecting line is stated through the connection passage 11 inside the pedestal 1 and the extension 12 on the end face of pedestal 1, by multiple institutes
It states pressure sensor 3 to be connected with the display 4, the sum of the pressure value for the multiple directions that multiple pressure sensors 3 measure
Pretightning force as during screw-driving, pretightning force numerical value can be shown by the display 4.
In the above embodiment of the present invention, the quantity of the pressure sensor 3 is six.
In the embodiment, six pressure sensors 3 surround 2 uniform intervals of threaded hole inside the pedestal 1
Set, can measure the pressure of the multiple directions during screw-driving, the pressure that six pressure sensors 3 measure it
Pretightning force as during screw-driving.
In the above embodiment of the present invention, the caliberating device further includes：For by screw-driving to be tested in the spiral shell
In pit, and the torque control device of feedback torque numerical value.
In the embodiment, it is necessary to accurately control screw by the torque control device in screw calibration process
Screw-down torque, and feed back torque value.The torque control device can be the device that can arbitrarily measure torque, it is preferable that
The torque control device is Digital Electronic Torque Wrench.
As shown in Fig. 2, the embodiment of the present invention additionally provides a kind of torsion drawing for caliberating device of establishing unprincipled connection using above-mentioned torsion
Relation scaling method, the described method includes：
Step 21, by screw placement to be tested in the threaded hole；
Step 22 makes the screw to be tested twist the torque on the pedestal screw application to be tested, and
Obtain the torque value twisted when setting process；
Step 23 obtains the pressure value that each pressure sensor detects by the display；
Step 24, the torque coefficient that the screw to be tested is calculated according to the torque value and the pressure value.
In the embodiment, in calibration process of establishing unprincipled connection the torsion of the screw to be tested, the screw to be tested is existed
It is tightened in the threaded hole, and obtains the torque value of rundown process, the pressure sensor can be in rundown process to institute
Screw pretightning force to be tested is stated to be measured in real time, and according to being measured by multiple pressure sensors of being shown on display
Pretightning force can realize the calculating of torque coefficient.Wherein, the number pressure that the pretightning force detects for each pressure sensor
The sum of value.
The relation for establishing unprincipled connection to refer between torque that threaded connector applies in fastener cycle and the pretightning force of generation is turned round,
Torque coefficient is the embodiments of relation between torque and pretightning force.It establishes unprincipled connection to demarcate to the torsion of screw, that is, asks torsion
Moment coefficient value.Torsion scaling method of establishing unprincipled connection can realize the calibration that the torsion of the threaded connectors such as screw is established unprincipled connection, and connect for assessment
The anti-loosening property of fitting and definite assembly technology are laid a good foundation.
In the above embodiment of the present invention, the screw to be tested is made to twist arranged on the bottom screw application to be tested
Torque on seat, and obtain the step of twisting torque value when setting process and performed by a torque control device.
In the embodiment, it is necessary to accurately control screw by the torque control device in screw calibration process
Screw-down torque, and feed back torque value.The torque control device can be the device that can arbitrarily measure torque, it is preferable that
The torque control device is Digital Electronic Torque Wrench.
In the above embodiment of the present invention, step 24 includes：
The screw to be tested is calculated according to the pressure value and is twisting the pretightning force during setting；
The torque coefficient of the screw to be tested is calculated according to the torque value and the pretightning force.
Specifically, the sum for the pressure value that the pretightning force detects for each pressure sensor.
The step of calculating the torque coefficient of the screw to be tested according to the torque value and the pretightning force includes：
Pass through formulaDraw the torque coefficient；
Wherein, K represents torque coefficient, and T represents torque, and F represents pretightning force, and D represents the nominal diameter of screw to be tested.
In the embodiment, torque coefficient is the embodiments of relation between torque and pretightning force, is established unprincipled connection the torsion of screw
It is demarcated, that is, seeks torque coefficient value.
It should be noted that this method is method corresponding with above-mentioned individual recommendation apparatus, institute in above device embodiment
There is realization method suitable for the embodiment of this method, can also reach identical technique effect.
The embodiment of the present invention is turned round pretightning force of the caliberating device by pressure sensor measuring bolt of establishing unprincipled connection, and is tied
Conjunction screw twists the torque value during setting, and realizes the calibration that the torsion of the threaded connectors such as screw is established unprincipled connection, connects for assessment
The anti-loosening property of fitting and definite assembly technology have great significance.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art
It says, several improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these improvements and modifications also exist
In protection scope of the present invention.
Claims (11)
- The caliberating device 1. a kind of torsion is established unprincipled connection, which is characterized in that including：Pedestal (1) offers threaded hole (2), diameter and the screw to be tested of the threaded hole (2) on the pedestal (1) Diameter corresponds to；Multiple pressure sensors (3) are arranged in the pedestal (1), and are arranged at intervals in the periphery of the threaded hole (2)；Display (4) is connected with each pressure sensor (3), for showing that each pressure sensor (3) is detected Pressure value.
- The caliberating device 2. torsion according to claim 1 is established unprincipled connection, which is characterized in that pedestal (1) is internally provided with Connection passage (11), wherein the pressure sensor (3) and the connecting line that the display (4) is connected be arranged at it is described In connection passage (11).
- The caliberating device 3. torsion according to claim 2 is established unprincipled connection, which is characterized in that set on the end face of the pedestal (1) There is extension (12), the through hole connected with the connection passage (11) is provided on the extension (12).
- The caliberating device 4. torsion according to claim 3 is established unprincipled connection, which is characterized in that the quantity of the extension (12) and institute State the connecting line that the quantity of pressure sensor (3) is identical, and each pressure sensor (3) is connected with the display (4) It is pierced by respectively by an extension (12).
- The caliberating device 5. torsion according to claim 1 is established unprincipled connection, which is characterized in that the quantity of the pressure sensor (3) For six.
- The caliberating device 6. torsion according to claim 1 is established unprincipled connection, which is characterized in that the caliberating device further includes：For By screw-driving to be tested in the threaded hole, and the torque control device of feedback torque numerical value.
- 7. a kind of established unprincipled connection scaling method using the establish unprincipled connection torsion of caliberating device of claim 1 to 6 any one of them torsion, special Sign is, the described method includes：By screw placement to be tested in the threaded hole；The screw to be tested is made to twist the torque on the pedestal screw application to be tested, and obtain to twist and set process When torque value；The pressure value of each pressure sensor detection is obtained by the display；The torque coefficient of the screw to be tested is calculated according to the torque value and the pressure value.
- The scaling method 8. torsion according to claim 7 is established unprincipled connection, which is characterized in that institute is made to the screw application to be tested It states screw to be tested and twists the torque on the pedestal, and obtain the step of twisting torque value when setting process by a torque Control device performs.
- The scaling method 9. torsion according to claim 7 is established unprincipled connection, which is characterized in that according to the torque value and the pressure Include described in power numerical computations the step of the torque coefficient of screw to be tested：The screw to be tested is calculated according to the pressure value and is twisting the pretightning force during setting；The torque coefficient of the screw to be tested is calculated according to the torque value and the pretightning force.
- The scaling method 10. torsion according to claim 9 is established unprincipled connection, which is characterized in that the pretightning force is each pressure The sum of the pressure value of force snesor detection.
- 11. torsion according to claim 9 is established unprincipled connection scaling method, which is characterized in that according to the torque value and described The step of torque coefficient of the pretightning force calculating screw to be tested, includes：Pass through formulaDraw the torque coefficient；Wherein, K represents torque coefficient, and T represents torque, and F represents pretightning force, and D represents the nominal diameter of screw to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711293807.9A CN108051130A (en) | 2017-12-08 | 2017-12-08 | It is a kind of to turn round caliberating device and the method for establishing unprincipled connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711293807.9A CN108051130A (en) | 2017-12-08 | 2017-12-08 | It is a kind of to turn round caliberating device and the method for establishing unprincipled connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108051130A true CN108051130A (en) | 2018-05-18 |
Family
ID=62122914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711293807.9A Pending CN108051130A (en) | 2017-12-08 | 2017-12-08 | It is a kind of to turn round caliberating device and the method for establishing unprincipled connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108051130A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556783A (en) * | 2018-10-16 | 2019-04-02 | 上海无线电设备研究所 | A kind of electronic equipment screw-driving torque coefficient measurement method and system |
| CN113654704A (en) * | 2021-08-17 | 2021-11-16 | 山西平阳重工机械有限责任公司 | Method for testing relation between pretightening force and torque of threaded fastener |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030145657A1 (en) * | 2000-02-07 | 2003-08-07 | Paul Engler | Test device for determining the friction and prestress values of screwed connections |
| CN103364129A (en) * | 2013-07-31 | 2013-10-23 | 潍柴动力股份有限公司 | Method and device for measuring axial force of thread fastening member |
| CN103776579A (en) * | 2014-02-19 | 2014-05-07 | 长安大学 | Device and method for testing amount of looseness of connecting pretightening force of after-fire high-strength bolt |
| CN103940540A (en) * | 2014-04-14 | 2014-07-23 | 上海交通大学 | Measuring device and method of fluid dynamic axial force of vertical type wet rotor of shielded motor |
| CN203929305U (en) * | 2014-06-16 | 2014-11-05 | 奇瑞汽车股份有限公司 | The fastening performance testing device of a kind of bolt and nut |
| CN204286667U (en) * | 2014-12-26 | 2015-04-22 | 华东交通大学 | A kind of tools for bolts ' pretension force measuring device |
| CN105606289A (en) * | 2016-03-17 | 2016-05-25 | 西北工业大学 | Bolt tightening torque coefficient measuring device |
| CN107238460A (en) * | 2017-07-24 | 2017-10-10 | 西安建筑科技大学 | A kind of torque coefficient of bolt test device and method |
-
2017
- 2017-12-08 CN CN201711293807.9A patent/CN108051130A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030145657A1 (en) * | 2000-02-07 | 2003-08-07 | Paul Engler | Test device for determining the friction and prestress values of screwed connections |
| CN103364129A (en) * | 2013-07-31 | 2013-10-23 | 潍柴动力股份有限公司 | Method and device for measuring axial force of thread fastening member |
| CN103776579A (en) * | 2014-02-19 | 2014-05-07 | 长安大学 | Device and method for testing amount of looseness of connecting pretightening force of after-fire high-strength bolt |
| CN103940540A (en) * | 2014-04-14 | 2014-07-23 | 上海交通大学 | Measuring device and method of fluid dynamic axial force of vertical type wet rotor of shielded motor |
| CN203929305U (en) * | 2014-06-16 | 2014-11-05 | 奇瑞汽车股份有限公司 | The fastening performance testing device of a kind of bolt and nut |
| CN204286667U (en) * | 2014-12-26 | 2015-04-22 | 华东交通大学 | A kind of tools for bolts ' pretension force measuring device |
| CN105606289A (en) * | 2016-03-17 | 2016-05-25 | 西北工业大学 | Bolt tightening torque coefficient measuring device |
| CN107238460A (en) * | 2017-07-24 | 2017-10-10 | 西安建筑科技大学 | A kind of torque coefficient of bolt test device and method |
Non-Patent Citations (1)
| Title |
|---|
| 山本晃: "《螺纹联接的理论与计算》", 31 January 1984 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556783A (en) * | 2018-10-16 | 2019-04-02 | 上海无线电设备研究所 | A kind of electronic equipment screw-driving torque coefficient measurement method and system |
| CN113654704A (en) * | 2021-08-17 | 2021-11-16 | 山西平阳重工机械有限责任公司 | Method for testing relation between pretightening force and torque of threaded fastener |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI518253B (en) | Can feel the tension of the screw pieces | |
| JP3190778U (en) | Fastener capable of measuring tensile force | |
| CN103364129B (en) | A kind of threaded fastener axle force measuring method and measurement mechanism thereof | |
| CN108051130A (en) | It is a kind of to turn round caliberating device and the method for establishing unprincipled connection | |
| CN206281592U (en) | Modularized equipment and modular load pin assemblies with internal load sensing | |
| CN107238460A (en) | A kind of torque coefficient of bolt test device and method | |
| CN107543689A (en) | Double bolt relaxation experimental rigs are determined under a kind of tangential alternate load | |
| CN105372003A (en) | Bolt pretightening force measurement method | |
| AU2019202499A1 (en) | System and method for measuring torque and angle | |
| JP6027670B1 (en) | Method for determining the fastening axial force of a tapping screw and its display device | |
| US10317303B2 (en) | Tension and torque calibration apparatus | |
| CN109520922B (en) | Testing device and testing method for bolt friction coefficient and torque coefficient | |
| CN110308055B (en) | Method for improving connection reliability of composite material connecting piece | |
| CN108151947A (en) | The caliberating device and scaling method of a kind of pretightning force and elongation | |
| CN110658129A (en) | Device for testing total friction coefficient of threaded fastener | |
| CN112020408B (en) | Electric tool for tightening threaded joint | |
| US20140067328A1 (en) | System for processing measurement data and/or measurement parameter data | |
| CN205980984U (en) | Internal thread sampling tool | |
| CN214121480U (en) | Intelligent bolt detection system | |
| US7013737B2 (en) | Removable twisting measuring device for various hand tools | |
| CN209278760U (en) | Sensor pre-pressing structure based on external pressure mode | |
| CN208833481U (en) | Determine the pilot system of fastening arrangement and method for construction | |
| RU2519363C1 (en) | Torque spanner | |
| CN104742053B (en) | Electronic type torsional force wrench and its torsion force measuring device | |
| RU2323079C2 (en) | Dynamometric wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180518 |
|
| RJ01 | Rejection of invention patent application after publication |