CN105043601B - A kind of tandem gamut pull sensing device for being applied to significantly varying load - Google Patents
A kind of tandem gamut pull sensing device for being applied to significantly varying load Download PDFInfo
- Publication number
- CN105043601B CN105043601B CN201510281856.5A CN201510281856A CN105043601B CN 105043601 B CN105043601 B CN 105043601B CN 201510281856 A CN201510281856 A CN 201510281856A CN 105043601 B CN105043601 B CN 105043601B
- Authority
- CN
- China
- Prior art keywords
- transmission case
- pulling force
- force sensor
- gamut
- tandem
- 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.)
- Expired - Fee Related
Links
Abstract
The invention discloses a kind of tandem gamut pull sensing device for being applied to significantly varying load, it is characterised in that：Including：Roller is installed in guide rail, transmission case, pulling force sensor, clamper, connecting hook, connecting rod and data collecting system, the bottom of transmission case, and by roller with guide rail relative motion can occur for transmission case；Pulling force sensor passes sequentially through transmission rod concatenation according to range size；Each clamper is fixed in transmission case and is located at respectively between the adjacent pulling force sensor of any two；Connecting hook is connected to one end of minimum range pulling force sensor and is connected with transmission case, and connecting rod is connected to wide range pulling force sensor one end and stretched out from the lateral through aperture of transmission case one；Data collecting system includes computer, signal transmitting device and multi-channel data acquisition device.The present invention has simple in construction, the advantage of strong applicability, and the load for being particularly suitable for use in larger to amplitude of variation carries out gamut high-acruracy survey.
Description
Technical field
The present invention relates to a kind of tandem gamut pull sensing device for being applied to significantly varying load, belong to electromechanical survey
Measure engineering field.
Background technology
Pulling force sensor is a kind of conversion output apparatus that pulling force signal is changed into electric signal, with it is simple in construction, make
The advantages of with convenient, cheap, good reliability, it is widely used in engineering and daily life.
According to the difference of application scenario, pulling force sensor generally has different range abilities, and as low as several newton are big to number
Ten tons.Simultaneously because the difference of the structure of pulling force sensor, size and material so that pulling force sensor has different resolution ratio
And minimum measured value.The pulling force sensor of wide range generally has relatively low resolution ratio and larger minimum measured value, applicable pair
Big load is measured；And the pulling force sensor of small-range typically has higher resolution ratio and less minimum measured value, from
And ensure the accurate measurement to small load.For example：Range for 5N pulling force sensor resolution ratio can typically reach 0.05N ~
0.1N, minimum measured value is 0.5N ~ 1N, and range is then only capable of reaching 10N ~ 20N for the resolution ratio of 5000N pulling force sensor,
Minimum measured value is usually 100N ~ 200N.
It is frequently necessary to measure significantly varying load in practice in engineering, the change amplitude of this kind of load is wider, example
Such as convergent force of the casting in process of setting, its excursion is gradually increased to hundreds of newton from 0N, when carrying out such measurement
The pulling force sensor with larger range can only be selected to cover the four corner of load change.Based on foregoing pulling force sensor
The resolution ratio and the characteristic of minimum measured value being had, the measurement to the side crops industry stage will necessarily produce larger measurement error,
Small load simultaneously for the starting stage is even more to measure, and this has just had a strong impact on the accuracy of measurement result and complete
Property.Therefore, the accurate measurement to this kind of significantly varying load is typically relatively difficult, is badly in need of a kind of simple and effective biography at present
Sensed quantity device, both can guarantee that with larger quantities journey scope, while there is less minimum measured value again, and in load change
Each stage can obtain higher measurement accuracy, this to improve engineering survey efficiency and precision have great importance.
The content of the invention
The present invention proposes a kind of tandem gamut pull sensing device for being applied to significantly varying load, can be to carrying
Lotus accurate measurement load value from the big dynamic process of small change.
The technical solution of the present invention：A kind of tandem gamut pull sensing dress for being applied to significantly varying load
Put, including：
Guide rail；
Roller is installed in transmission case, the bottom of transmission case, and by roller with guide rail relative motion can occur for transmission case；
Multiple pulling force sensors, the pulling force sensor passes sequentially through transmission rod according to range size and is serially connected in transmission case
It is interior；
Multiple clampers, each clamper be fixed in transmission case and be located at respectively the adjacent pulling force sensor of any two it
Between, clamper can clamp corresponding transmission rod；
Connecting hook, connecting hook is installed on one end of minimum range pulling force sensor and is connected with transmission case,
Connecting rod, connecting rod is connected to wide range pulling force sensor one end and stretched out from the lateral through aperture of transmission case one,
With transmission case relative motion can occur for pulling force effect lower connecting rod；
Data collecting system, including computer, signal transmitting device and multi-channel data acquisition device；Each pulling force sensor is defeated
Go out end to be connected with the input of a signal transmitting device by data wire, the output end of each signal transmitting device passes through data wire
It is connected with the input of multi-channel data acquisition device；The output end of multi-channel data acquisition device is connected by data wire with computer.
In the present invention, a clamper can also be set at the position of transmission case inside connecting rod, the clamper can be by
Connecting rod is clamped.
In the present invention, clamper includes grip slipper and grip bolt, and grip slipper is fixed in transmission case, opened up on grip slipper
The horizontal through hole and screwed hole connected, each transmission rod is passed through from corresponding horizontal through hole, and grip bolt 15 passes through transmission
Case is threaded into hole, and transmission rod can be compressed or unclamp by rotating grip bolt.
In the present invention, the wall thickness of transmission case is 8mm, and is welded using stainless steel plate.
In the present invention, roller is nylon material.
In the present invention, the quantity of pulling force sensor is 5.
In the present invention, the horizontal through hole of grip slipper is with diameter greater than 0.5 ~ 1mm of power transmission shank diameter；Transmission case lateral through aperture diameter
More than connection 0.5 ~ 1mm of shank diameter, the length that connecting rod stretches out transmission case is 30 ~ 50mm.
The beneficial effect that the present invention is reached：
1. the present invention carries out classification series connection using the sensor of different ranges, its range covers the amount of all pulling force sensors
Journey scope, with larger useful range, strong adaptability.
2. the present invention carries out fractional constraint to sensors in series sequence by adjusting grip bolt, achievable to pull sensing
The real-time selection of device and seamless switching, not only ensure that the high-precision measuring to small pulling force, and big load can be carried out again
Measurement, while small-range sensor can also not be destroyed in protection device, it is achieved thereby that to the gamut high accuracy of varying load
Measurement.
3. user can configure the range ability of the sum of series sensors at different levels of pulling force sensor according to actual conditions, to meet
Measuring accuracy requirement to each stage of live load, with good expandability and compatibility.
4. using multi-path data acquiring system and computer controls, the real-time of data acquisition is good, and can show multi-channel test
Signal be switched fast and data seamless connection.
5. simple in construction, low cost of the invention, strong applicability, it is easy to promote the use of.
Brief description of the drawings
Accompanying drawing 1 is the sectional view of the present invention；
Accompanying drawing 2 is left view of the present invention；
Accompanying drawing 3 is " grip slipper " outline drawing of the invention；
Accompanying drawing 4 is " grip slipper " sectional view of the invention.
Reference：
1 computer；2 signal transmitting devices；3 data wires；4 transmission-case covers；5 transmission case bodies；6 connecting hooks；7 rollers；8 pulling force are passed
Sensor；9 attaching nuts；10 transmission rods；11 grip slippers；12 fixing bolts；13 guide rails；14 connecting rods；15 grip bolts；16 multichannels
Data acquisition unit；17 fixing nuts；18 horizontal through hole；19 perpendicular screwed holes.
Embodiment
Technical solution of the present invention is described in further detail with reference to real-time example and accompanying drawing, but the protection model of the present invention
Enclose and be not limited to the embodiment.
As illustrated in fig. 1 and 2, a kind of tandem gamut pull sensing device for being applied to significantly varying load, including pass
Dynamic case, grip slipper 11, grip bolt 15, pulling force sensor 8, guide rail 13, connecting hook 6, connecting rod 14 and data collecting system.
Transmission case includes transmission case body 5 and transmission-case cover 4, uses thickness to be welded for 8mm stainless steel plates, transmission case
The side wall of body 5, which offers some through holes, is used for passing through for data wire 3, and the two side center of the length direction of transmission case body 5 is opened up
There is through hole, for passing for connecting hook 6 and connecting rod 14.
Transmission case body 5 bottom four angle is mounted on roller 7, and the material of roller 7 is nylon, and transmission case can by roller 7
Freely rolled on guide rail 13.
Five pulling force sensors 8 are set in transmission case, and pulling force sensor 8 is sequentially connected in series according to range size.According to range
The different load level of size correspondence, is first order pulling force sensor if the pulling force sensor of minimum range, is carried for measuring
Load value when lotus is smaller；The pulling force sensor of maximum range is then level V pulling force sensor, and centre is by that analogy.Pulling force is passed
Connected between sensor 8 by transmission rod 10.Connected, can also be welded by attaching nut 9 between pulling force sensor 8 and stayed mast
Connect, can arbitrarily be dismantled using screw thread pair connection.The other end of the pulling force sensor of minimum range and connecting hook 6 are also by being connected
Nut 9 is connected, while connecting hook 6 is fixed by two fixing nuts 17 and the side wall of transmission case body 5, the hook portion of connecting hook 6
Outside transmission case, in order to be connected with external device (ED).
The other end of the pulling force sensor of maximum range is connected with connecting rod 14 by attaching nut 9, and connecting rod 14 passes through
Through hole on transmission case opposite side wall is stretched out outside transmission case, the diameter 0.5mm with diameter greater than connecting rod 14 of the through hole, connecting rod
14 extension elongation is 30mm, and in its end threading to be connected with external device (ED).The connecting rod 14 can passed
Slided in through hole on dynamic case side wall.
As can be seen here, one end of the pulling force sensor of connecting hook 6, transmission case and minimum range is fixed, and connecting rod
Being capable of relative motion between 14 and transmission case.
In order to be able to realize cascade protection and variable load measurement function, clamper is additionally provided with transmission case body 5.Clamper position
Between the adjacent pulling force sensor 8 of any two, and as the transmission rod 10 for clamping two pulling force sensors of connection.It is specifically tied
Structure and mode are：As shown in Figures 3 and 4, binding clasp includes grip slipper 11 and grip bolt 15, and grip slipper 11 passes through fixing bolt 12
It is fixed on transmission chamber interior wall, the horizontal through hole 18 connected and perpendicular screwed hole 19, horizontal through hole 18 is opened up on grip slipper 11
The diameter 0.5mm with diameter greater than transmission rod 10, each stayed mast can be passed through from corresponding horizontal through hole 18, and clamp spiral shell
Bolt 15 is then installed in perpendicular screwed hole 19 through transmission case, can be compressed when rotating grip bolt 15 or be unclamped stayed mast.
In the present invention, the effect of clamper is to clamp transmission rod 10 to protect pulling force sensor, therefore clamper
Concrete structure is not limited to the structure disclosed in this embodiment, can also use other structures, such as scroll chuck structure, three-jaw card
The outer disc of disk is fixed with transmission case, transmission rod 10 from three grab chuck center through hole in pass through, by tightening on scroll chuck
Nut clamps transmission rod 10.Therefore it is every to realize that the structure for fixing transmission rod 10 and transmission case may be incorporated for the present invention
In, do not repeat herein.
In order to protect the pulling force sensor of maximum range, also set at the position of connecting rod 14 being connected with the pulling force sensor
Put a clamper.When magnitude of load exceedes the range of the pulling force sensor, the clamper now tightened herein just can be protected
All pulling force sensors are not damaged by load.Therefore, the number of pulling force sensor is not unique, and pulling force is set according to surveyed load
The concatenation number of sensor can realize the measurement of more big load.Due to pulling force sensor be divided into according to range size it is not equal
Level, thus it is corresponding for protecting the clamper of pulling force sensor to be also classified into first to level V clamper.With the increasing of load
Greatly, the first to the 5th clamper is tightened successively, so as to realize cascade protection and variable load measurement function.
Data collecting system includes computer 1, signal transmitting device 2 and multi-channel data acquisition device 16.5 pulling force sensors pair
Answer 5 circuit-switched data transmission lines.The output end of each pulling force sensor passes through the defeated of data wire 3 and corresponding signal transmitting device 2
Enter end connection, for the voltage signal of pulling force sensor 8 to be amplified into processing.The output end of each signal transmitting device 2 passes through
Data wire 3 is connected with the input of multi-channel data acquisition device 16, and the output end of multi-channel data acquisition device 16 passes through data wire 3 and meter
Calculation machine 1 is connected, and multi-channel data acquisition device 16 is used to voltage analog signal is converted into numerical signal and is input in computer 1.
In measurement process, frictional force, connecting rod 14 can be produced between the horizontal through hole 18 of transmission rod 10 and grip slipper 11
Frictional force can be also produced between the through hole of transmission case side wall, therefore in above-mentioned all horizontal through hole 18 and transmission case lateral through aperture
Place adds lubricating oil and is lubricated to reduce frictional resistance, further improves measurement accuracy.
Working process and principle of the invention：
Need the connecting hook 6 and connecting rod 14 of the present apparatus being firmly connected with external load respectively before starting test, while loose
Open all grip bolts 15 so that transmission rod 10 can be slid axially in the horizontal through hole 18 of grip slipper 11.Work as load
When smaller, because transmission rod 10 is in slidably state, pulling force can be acted on pulling force sensors at different levels, pulling force sensor
The pulling force signal of 8 collections after signal transmitting device 2 and multi-channel data acquisition device 16 by entering in computer 1, due to being now placed in
The pulling force sensor of the first order/minimum range of end has minimum measured value and highest measurement accuracy, therefore computer 1 is certainly
The signal of dynamic selection first order pulling force sensor collection is as current value of thrust, and the signal of other pulling force sensors will be ignored.
When external pull gradually increases and will exceed the useful range of first order pulling force sensor, the grip bolt of its side is tightened
15 so that the transmission rod 10 between the first order and second level pulling force sensor is fixed in the grip slipper 11 of first order clamper
In, so that first order pulling force sensor be kept apart, the effect of external tensile force is no longer influenced by, small-range pulling force sensor is protected
It is not damaged by.Now computer regard the pulling force signal for automatically selecting second level pulling force sensor generation as current value of thrust.According to
It is secondary to analogize,, will be a small amount of by tightening the grip bolt 15 of correspondence pulling force sensor 8 step by step with the gradually increase of external tensile force
Journey pulling force sensor is isolated step by step, and is automatically selected higher leveled pulling force sensor and measured, it is achieved thereby that to big
The gamut high-acruracy survey of amplitude varying load, at the same also prevent because pulling force transfinites and caused by small-range sensor damage.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (7)
1. a kind of tandem gamut pull sensing device for being applied to significantly varying load, it is characterised in that：Including：
Guide rail；
Roller is installed in transmission case, the bottom of transmission case, and by roller with guide rail relative motion can occur for transmission case；
Multiple pulling force sensors, the pulling force sensor passes sequentially through transmission rod according to range size and is serially connected in transmission case；
Multiple clampers, each clamper is fixed in transmission case and is located at respectively between the adjacent pulling force sensor of any two,
Clamper can clamp corresponding transmission rod；
Connecting hook, connecting hook is connected to one end of minimum range pulling force sensor and is connected with transmission case,
Connecting rod, connecting rod is connected to wide range pulling force sensor one end and stretched out from the lateral through aperture of transmission case one, in pulling force
Relative motion can be occurred with transmission case by acting on lower connecting rod；
Data collecting system, including computer, signal transmitting device and multi-channel data acquisition device；The output end of each pulling force sensor
Be connected by data wire with the input of a signal transmitting device, the output end of each signal transmitting device by data wire with it is many
The input connection of circuit-switched data collector；The output end of multi-channel data acquisition device is connected by data wire with computer.
2. a kind of tandem gamut pull sensing device for being applied to significantly varying load according to claim 1, its
It is characterised by：A clamper is also set up at the position of transmission case inside connecting rod, the clamper can clamp connecting rod.
3. a kind of tandem gamut pull sensing device for being applied to significantly varying load according to claim 1 or 2,
It is characterized in that：Clamper includes grip slipper and grip bolt, and grip slipper is fixed in transmission case, opens up and connect on grip slipper
Horizontal through hole and screwed hole, each transmission rod passed through from corresponding horizontal through hole, and grip bolt is installed to through transmission case
In screwed hole, transmission rod can be compressed or unclamp by rotating grip bolt.
4. a kind of tandem gamut pull sensing device for being applied to significantly varying load according to claim 3, its
It is characterised by：The wall thickness of transmission case is 8mm, and is welded using stainless steel plate.
5. a kind of tandem gamut pull sensing device for being applied to significantly varying load according to claim 4, its
It is characterised by：Roller is nylon material.
6. a kind of tandem gamut pull sensing device for being applied to significantly varying load according to claim 5, its
It is characterised by：The quantity of pulling force sensor is 5.
7. a kind of tandem gamut pull sensing device for being applied to significantly varying load according to claim 6, its
It is characterised by：The horizontal through hole of grip slipper is with diameter greater than 0.5 ~ 1mm of power transmission shank diameter；Transmission case lateral through aperture is with diameter greater than connection
0.5 ~ 1mm of shank diameter, the length that connecting rod stretches out transmission case is 30 ~ 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281856.5A CN105043601B (en) | 2015-05-28 | 2015-05-28 | A kind of tandem gamut pull sensing device for being applied to significantly varying load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281856.5A CN105043601B (en) | 2015-05-28 | 2015-05-28 | A kind of tandem gamut pull sensing device for being applied to significantly varying load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105043601A CN105043601A (en) | 2015-11-11 |
| CN105043601B true CN105043601B (en) | 2017-07-11 |
Family
ID=54450322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510281856.5A Expired - Fee Related CN105043601B (en) | 2015-05-28 | 2015-05-28 | A kind of tandem gamut pull sensing device for being applied to significantly varying load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105043601B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383963A (en) * | 2021-12-15 | 2022-04-22 | 迈格仪器(苏州)有限公司 | Indentation reading method of micro Vickers hardness tester |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597213A (en) * | 1982-07-05 | 1984-01-14 | Inoue Japax Res Inc | Encoder |
| CN2262238Y (en) * | 1996-07-11 | 1997-09-10 | 鞍山钢铁集团公司 | Variable measuring range force measuring sensor |
| US20070197922A1 (en) * | 2006-02-17 | 2007-08-23 | Honeywell International Inc. | Disposable pressure sensor systems and packages therefor |
| CN201731887U (en) * | 2010-09-09 | 2011-02-02 | 中国船舶重工集团公司第七○三研究所 | Cascade unit for sensors |
| CN103743512B (en) * | 2013-10-26 | 2016-01-20 | 内蒙古工业大学 | Band pretightning force pressure transducer |
| CN103994855B (en) * | 2014-05-30 | 2015-10-21 | 江苏出入境检验检疫局机电产品及车辆检测中心 | Hydraulic-driven wide-range force sensor caliberating device |
-
2015
- 2015-05-28 CN CN201510281856.5A patent/CN105043601B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105043601A (en) | 2015-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103217278B (en) | A kind of method of testing high-strength bolt faying face normal direction static characteristics | |
| CN204924790U (en) | System for metal specimen meets an emergency among real -time supervision high temperature and high pressure environment | |
| JPH07164092A (en) | Method and device for fixing blind rivet | |
| DE10160794B4 (en) | Signal processing device for a pressure switch od. Like. | |
| CN107314854A (en) | The device and method that bolt clamping force is decayed under a kind of real-time measurement vibration environment | |
| CN108351266B (en) | Device for detecting force and moment | |
| CN105300671B (en) | A kind of precision bolt connects moment of torsion pretightning force mapping relations measurement apparatus | |
| CN103217288A (en) | Device for testing dynamic characteristic parameters of ball screw | |
| CN107543689A (en) | Double bolt relaxation experimental rigs are determined under a kind of tangential alternate load | |
| CN105043601B (en) | A kind of tandem gamut pull sensing device for being applied to significantly varying load | |
| CN107907096A (en) | Bolt looseness on-line checking sensing device and its detection method based on strain-type principle | |
| CN105424481A (en) | Threaded fastener guarantee load testing apparatus and testing method thereof | |
| CN107152979A (en) | Clipping cable cable power monitoring device | |
| CN103104272B (en) | Lossless dynamic detection device of anchor stock preload and detection method thereof | |
| CN201508300U (en) | Mechanical property measuring device of shock absorber piston rod | |
| CN206223549U (en) | Facade multi-angle pull-out test device | |
| CN104972423B (en) | Bolt screwing detection method, device and system | |
| CN201945501U (en) | General clamping mechanism for mechanical test of bolts/nuts | |
| CN113464381B (en) | Method and system for measuring proportional relation between axial displacement of inner side of tower flange of wind turbine generator and elongation of bolt | |
| JP2017030072A (en) | Tightening check method | |
| CN206920052U (en) | A kind of clamping device for pressing pulling force sensor | |
| CN204043835U (en) | Bolt stress pick-up unit | |
| CN107152963A (en) | A kind of fruit surveys production device and method | |
| CN210775819U (en) | Clamp-on ammeter verification equipment and support platform | |
| CN203875795U (en) | Calibrating fixture for detecting axial tensile force of bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20200528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |