CN109029665A - Rest the head on bridge-type track scale weighing sensor - Google Patents
Rest the head on bridge-type track scale weighing sensor Download PDFInfo
- Publication number
- CN109029665A CN109029665A CN201811205062.0A CN201811205062A CN109029665A CN 109029665 A CN109029665 A CN 109029665A CN 201811205062 A CN201811205062 A CN 201811205062A CN 109029665 A CN109029665 A CN 109029665A
- Authority
- CN
- China
- Prior art keywords
- matrix
- bridge
- pedestal
- supporting body
- web
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/04—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles
- G01G19/042—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles having electrical weight-sensitive devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to pillow bridge-type track scale weighing sensors, belong to weighing-appliance technical field, including elastomer, setting is in the intracorporal weighing device of elasticity and connecting wire, elastomer includes the supporting body from top to bottom set gradually, matrix and pedestal, supporting body is connected by rail fastening and rail, pedestal and pre-embedded steel slab are connected, it is connected between supporting body and matrix by neck neck structure, position between matrix and supporting body corresponding to neck neck structure two sides forms the first deformation joint, the connection of the both ends of matrix and pedestal, the second deformation joint is provided between matrix and pedestal, one group of strain bore for having web is provided on matrix, web, which is set in strain bore, is divided into two blind holes for strain bore, weighing device includes the strain gauge for being set to web two sides, the compensation resistance being connect with strain gauge, the sensor element precision is high, with better Shock resistance, lateral force resistance energy also reduce its requirement to the intensity and flatness of mounting seat steel plate.
Description
Technical field
The invention belongs to weighing-appliance technical fields, are related to track weighing sensor, especially the weighing of pillow bridge-type track scale
Sensor.
Background technique
Conventional rails weighing apparatus product is mainly made of mechanically supported device, weighing sensor, weighing instrument, and assembly is will be mechanical
Carrier is installed on the pre-embedded steel slab of concrete pedestal, and weighing sensor is installed to (girder on the fulcrum of mechanically supported device girder
Top is railway track), weighing instrument connects weighing sensor.When train passes through railway track mechanically supported device, wheel
Weight is applied on mechanically supported device, and force value is transmitted to weighing leaflet device by mechanically supported device, and weighing sensor exports millivolt
The output signal of linear signal, weighing instrument acquisition weighing sensor calculates the weight information of vehicle.Train wheel force value
Direction of transfer be successively rail, mechanically supported device, sensor, wherein mechanically supported device plays crucial in weighing process
Effect, interior design is also very complicated, not only to meet high intensity, and it is a series of auxiliary also to design position limiting structure, structure of stopping etc.
Help structure.Since structure is complicated, device node is more for mechanically supported device, become maintenance the best part in live use, wherein
One link break down all can the precision of vehicle safety and weighing result to track scale impact.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides pillow bridge-type track scale weighing sensor, structure is simple, is not necessarily to it
His supplementary structure, intensity is big and accuracy is high, significantly reduces the frequency of maintenance of track scale mechanical part.
The technical solution adopted by the present invention is that:
Rest the head on bridge-type track scale weighing sensor, including elastomer, setting be in the intracorporal weighing device of elasticity and connecting wire,
Rail is set to elastomer upper end by rail fastening, and elastomer is set on the concrete pedestal of railway by pre-embedded steel slab, closes
Key is that the elastomer includes the supporting body, matrix and pedestal from top to bottom set gradually, the supporting body and rail
Be connected, the pedestal and pre-embedded steel slab are connected, connected between the supporting body and matrix by neck neck structure, matrix with hold
Position between carrier corresponding to neck neck structure two sides forms the first deformation joint, the both ends connection of the matrix and pedestal, base
It is provided with the second deformation joint between body and pedestal, one group of strain bore for having web, web setting are provided on the matrix
In strain bore is divided into two blind holes in strain bore, the weighing device include the strain gauge for being set to web two sides, with
The compensation resistance of strain gauge connection, the threading hole of connecting wire is provided on matrix side and web.
Setting is provided with four stress gauges, four stress gauges difference there are two strain bore altogether on the matrix in matrix
For R1, R2, R3, R4 and a bridge arm being respectively formed in electric bridge, four bridge arms, which are sequentially connected, constitutes a bridge circuit, wherein
Zero-regulator resistor Rx is sealed in the bridge arm of R1, the compensation resistance includes the end A sealed in bridge circuit respectively and anode
Between, elasticity modulus compensating plate Rt1, Rt2 between the end B and cathode and sealed between elasticity modulus compensating plate Rt1 and anode respectively,
Adjustment of sensitivity resistance Rf1, Rf2 between elasticity modulus compensating plate Rt2 and cathode.
The compensation resistance further includes elasticity modulus fine tuning electricity in parallel with two elasticity modulus compensating plate Rt1, Rt2 respectively
Hinder Rt1 ', Rt2 '.
Output impedance specification resistance Rg is incorporated between the positive and negative electrode of the bridge circuit.
The exit of connecting wire on the matrix is provided with stainless steel waterproof connector, is located at stainless steel waterproof connector
The fender bracket in outside draws and is additionally provided with cable protection casing in the connecting wire of matrix.
The beneficial effects of the present invention are: elastomer upper end is directly connect with rail and rail fastening, elastomer lower end and pre-
Steel plate connection to be buried, the setting of mechanically supported device is eliminated, the design outline rested the head on using single track, inside weighs structure using bridge-type,
By the effect together as one of single track pillow and weighing sensor, structure is simple, without other supplementary structures, the integral strength of sensor
Greatly, anti-bias load and shock resistance energy are strong, and accuracy is high；The first deformation joint between matrix and supporting body is the generation of supporting body both ends
Reserved space, and the protection zone of the deformation as sensor are tilted, the deformation that the second deformation joint is similarly sensor provides protection,
So that matrix is generated uniform deformation quantity as far as possible simultaneously, improves the accuracy of weighing；Include compensation resistance in weighing device, subtracts
The influence of other factors, further increases measurement accuracy in few weighing process；Connection is provided on matrix side and web to lead
The threading hole of line, connecting wire are penetrated by matrix side and are connect with ipsilateral strain gauge or compensation resistance, and by web
Threading hole is connect with the strain gauge of the web other side or compensation resistance, is reduced the setting of threading hole, is optimized the internal structure of matrix.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the main view of elastomer.
Fig. 4 is the top view of elastomer.
Fig. 5 is circuit diagram of the invention.
In attached drawing, 1, elastomer, 2, supporting body, 3, matrix, 4, pedestal, 5, neck neck structure, the 6, first deformation joint, 7, second
Deformation joint, 8, web, 9, strain bore, 10, threading hole, 12, stainless steel waterproof connector, 13, fender bracket, 14, cable protection casing,
Ex+ represents power supply anode in figure, and Ex- represents power supply cathode, Si+ representation signal anode, Si- representation signal cathode.
Specific embodiment
The present invention relates to pillow bridge-type track scale weighing sensors, fill including elastomer 1, the weighing being arranged in elastomer 1
It sets and connecting wire, rail is set to 1 upper end of elastomer by rail fastening, elastomer 1 is set to railway by pre-embedded steel slab
Concrete pedestal on, it is important to, the elastomer 1 includes the supporting body 2, matrix 3 and the pedestal 4 that from top to bottom set gradually,
The supporting body 2 and rail is connected, and the pedestal 4 and pre-embedded steel slab are connected, and borrows between the supporting body 2 and matrix 3
Neck neck structure 5 is helped to connect, the position between matrix 3 and supporting body 2 corresponding to 5 two sides of neck neck structure forms the first deformation joint 6, institute
The matrix 3 stated is connect with the both ends of pedestal 4, and the second deformation joint 7 is provided between matrix 3 and pedestal 4, is set on the matrix 3
It is equipped with one group of strain bore 9 for having web 8, web 8, which is set in strain bore 9, is divided into two blind holes for strain bore 9, described
Weighing device includes the strain gauge for being set to 8 two sides of web, the compensation resistance connecting with strain gauge, on 3 side of matrix and web 8
It is provided with the threading hole 10 of connecting wire.
Specific embodiment is provided with symmetrical two strain bore 9, is arranged altogether in matrix 3 as shown in Figs. 1-5 on matrix 3
There are four strain gauges, and four stress gauges are respectively R1, R2, R3, R4, are pasted on the outside side of the web 8 of the strain bore 9 in left side
There are strain gauge R1 and elasticity modulus compensating plate Rt2, inside side is pasted with strain gauge R4；The web 8 of the strain bore 9 on right side to
Strain gauge R2 and elasticity modulus compensating plate Rt2 are pasted on outer side, inside side is pasted with strain gauge R3；Wherein strain gauge
R1, R2, R3, R4 are arranged at the center of web 8, and strain gauge is mounted on center of effort region, guarantee measurement precisely, bullet
Property modulus compensating plate Rt1, Rt2 be separately positioned on the top of strain gauge R1, R2, elasticity modulus compensating plate is mended closer to strain gauge
It is more accurate to repay.
The middle position of 2 upper end of supporting body is provided with rail mounting groove, and 2 upper end of supporting body is additionally provided with installs positioned at rail
Totally four screw holes of slot two sides are respectively installed by screw hole in rail mounting groove two sides since the lower end installation of rail is of different size
One block, can be compatible with the railway track of 50kg, 60kg different model by the way of variable track slot.
The exit of connecting wire on matrix 3 is provided with stainless steel waterproof connector 12, is located at stainless steel waterproof connector 12
The fender bracket 13 in outside, draws and is additionally provided with cable protection casing 14 in the connecting wire of matrix 3, and stainless steel waterproof connector 12 is anti-
Only water inlet influences the normal measurement of sensor in sensor, fender bracket 13 by the exit of connecting wire generate bending part and
The side of matrix 3 is protected, and protects matrix 3, connecting wire in transport and installation process to its extruding and destruction, simultaneously
Cable protection casing 14 is sleeved on the outside of connecting wire, forms protective layer to connecting wire, prevents connecting wire from wearing, simultaneously
The hardness of connecting wire is enhanced, prevents the bending angle of connecting wire too small and impaired, stainless steel waterproof connector 12, fender bracket
13 and cable protection casing 14 effectively reduce the damage of connecting wire, guarantee the normal transmission and measurement accuracy of sensor, together
When can further reduce the frequency of maintenance of sensor.
Strain gauge R1, R2, R3, R4 are respectively formed a bridge arm in electric bridge, and four bridge arms, which are sequentially connected, constitutes a bridge
Formula circuit has wherein sealed in zero-regulator resistor Rx in the bridge arm of R1, the compensation resistance includes the A sealed in bridge circuit respectively
Hold between anode, between the end B and cathode elasticity modulus compensating plate Rt1, Rt2, seal in respectively elasticity modulus compensating plate Rt1 with
Adjustment of sensitivity resistance Rf1, Rf2 between power supply anode, between elasticity modulus compensating plate Rt2 and power supply cathode, compensate resistance
It further include elasticity modulus semifixed resistor Rt1 ', Rt2 ' in parallel with two elasticity modulus compensating plate Rt1, Rt2 respectively, bridge circuit
Output impedance specification resistance Rg is incorporated between positive and negative electrode.Its Elastic Modulus compensating plate main compensation temperature change is to strain gauge
Influence, avoid temperature change influence strain gauge output；Adjustment of sensitivity resistance adjustment sensor output sensitivity it is consistent
Property.Wherein strain gauge R1, R2, R3, R4, zero-regulator resistor Rx, elasticity modulus compensating plate Rt1, Rt2, elasticity modulus semifixed resistor
Rt1 ', Rt2 ' are arranged inside elastomer 1, are 1 internal wiring of elastomer in dotted line frame in attached drawing 5.
Supporting body 2 is force area, and matrix 3 is deformed area, and the first deformation joint 6, the second deformation joint 7 are supporting body 2 and matrix 3
Deformation provide protection, keep the deformation of matrix 3 uniform, improve weighing accuracy.
Sensor of the present invention uses the configuration design of higher intensity, and the stress deformation area of sensor can obtain
Preferably deformation, i.e., when sensor is under pressure, deformed area can more accurately obtain the state being under pressure, and make sensor
Better measuring accuracy can be obtained, while there is better sensor shock resistance energy, better sensor lateral force resistance
Energy also reduces its intensity to mounting seat steel plate, and the middle position of 4 bottom end of pedestal is concave inward structure, is connect using small area
Prefabricated steel is touched, the requirement of flatness is reduced.It is convenient with Maintenance and Repair, it is easy to operate, in actual field experimental applications
It can greatly reduce to management service expense, be suitable for the enterprises such as the major metallurgy in the whole nation, coal, petrochemical industry.
Claims (5)
1. bridge-type track scale weighing sensor is rested the head on, including elastomer (1), the weighing device being arranged in elastomer (1) and connection
Conducting wire, rail are set to elastomer (1) upper end by rail fastening, and elastomer (1) is set to the water of railway by pre-embedded steel slab
On the basis of mud, it is characterised in that: the elastomer (1) include the supporting body (2) from top to bottom set gradually, matrix (3) and
Pedestal (4), the supporting body (2) and rail are connected, and the pedestal (4) and pre-embedded steel slab are connected, the supporting body (2)
It is connect between matrix (3) by neck neck structure (5), neck neck structure (5) two sides is corresponded between matrix (3) and supporting body (2)
Position formed the first deformation joint (6), the matrix (3) is connect with the both ends of pedestal (4), between matrix (3) and pedestal (4)
It is provided with the second deformation joint (7), one group of strain bore (9) for having web (8) is provided on the matrix (3), web (8) is set
It is placed in strain bore (9) and strain bore (9) is divided into two blind holes, the weighing device includes being set to web (8) two sides
Strain gauge, the compensation resistance that is connect with strain gauge, the threading of connecting wire is provided on matrix (3) side and web (8)
Hole (10).
2. pillow bridge-type track scale weighing sensor according to claim 1, it is characterised in that: set on the matrix (3)
There are two setting strain bore (9), four stress gauges are provided in matrix (3) altogether, four stress gauges are respectively R1, R2, R3, R4 and divide
Not Xing Cheng a bridge arm in electric bridge, four bridge arms, which are sequentially connected, constitutes a bridge circuit, has wherein sealed in the bridge arm of R1
Zero-regulator resistor Rx, the compensation resistance include between the end A sealed in bridge circuit respectively and anode, between the end B and cathode
Elasticity modulus compensating plate Rt1, Rt2 and sealed between elasticity modulus compensating plate Rt1 and anode respectively, elasticity modulus compensating plate
Adjustment of sensitivity resistance Rf1, Rf2 have been sealed between Rt2 and cathode respectively.
3. pillow bridge-type track scale weighing sensor according to claim 2, it is characterised in that: the compensation resistance also wraps
Include elasticity modulus semifixed resistor Rt1 ', Rt2 ' in parallel with two elasticity modulus compensating plate Rt1, Rt2 respectively.
4. pillow bridge-type track scale weighing sensor according to claim 2, it is characterised in that: the bridge circuit
Output impedance specification resistance Rg is incorporated between positive and negative electrode.
5. pillow bridge-type track scale weighing sensor according to claim 1, it is characterised in that: on the matrix (3)
The fender bracket that the exit of connecting wire is provided with stainless steel waterproof connector (12), is located on the outside of stainless steel waterproof connector (12)
(13), it draws and is additionally provided with cable protection casing (14) in the connecting wire of matrix (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205062.0A CN109029665B (en) | 2018-10-16 | 2018-10-16 | Pillow type rail Heng Chenchong sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205062.0A CN109029665B (en) | 2018-10-16 | 2018-10-16 | Pillow type rail Heng Chenchong sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109029665A true CN109029665A (en) | 2018-12-18 |
| CN109029665B CN109029665B (en) | 2023-12-12 |
Family
ID=64613429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811205062.0A Active CN109029665B (en) | 2018-10-16 | 2018-10-16 | Pillow type rail Heng Chenchong sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109029665B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114846305A (en) * | 2019-12-19 | 2022-08-02 | L.C.有限责任公司 | Load sensor for metal silo |
| CN115979402A (en) * | 2023-02-16 | 2023-04-18 | 承德市五岳测控技术有限公司 | Automatic rail weighbridge metering system without beam and rail break |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110213U (en) * | 1991-12-25 | 1992-07-15 | 济南衡器厂 | Static electronic track weighing apparatus |
| US5734110A (en) * | 1996-10-11 | 1998-03-31 | Kistler-Morse Corporation | Temperature compensated, easily installed bolt-on strain sensor |
| US5844174A (en) * | 1996-08-14 | 1998-12-01 | Sartorius Ag | Electronic balance with guide-rod parallel guide and wire strain gauge corner load sensor |
| US6653578B1 (en) * | 1998-10-20 | 2003-11-25 | Pfister Waagen Bilanciai Gmbh | Track scales with continuous rails and weighing sleepers |
| CN201497557U (en) * | 2009-02-16 | 2010-06-02 | 宁波博达电气有限公司 | Weighing sensor for rail weighbridge |
| CN202869623U (en) * | 2012-09-27 | 2013-04-10 | 福建省莆田市衡力传感器有限公司 | Rail weighbridge sensor |
| CN204405160U (en) * | 2015-02-12 | 2015-06-17 | 福建省莆田市衡力传感器有限公司 | A kind of overlength porous high-precision orbital LOAD CELLS |
| CN104964732A (en) * | 2015-06-30 | 2015-10-07 | 杭州钱江称重技术有限公司 | Double-perpendicular force integrated digital transducer |
| CN205246187U (en) * | 2015-11-23 | 2016-05-18 | 承德市五岳测控技术有限公司 | Tramway weighing apparatus |
| CN206709956U (en) * | 2017-05-08 | 2017-12-05 | 承德市五岳测控技术有限公司 | A kind of automatic scale carrier |
| CN206876273U (en) * | 2017-05-17 | 2018-01-12 | 宁波柯力传感科技股份有限公司 | Cantilever beam digital weighing sensor |
| CN208847315U (en) * | 2018-10-16 | 2019-05-10 | 承德市五岳测控技术有限公司 | Rest the head on bridge-type track scale weighing sensor |
-
2018
- 2018-10-16 CN CN201811205062.0A patent/CN109029665B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110213U (en) * | 1991-12-25 | 1992-07-15 | 济南衡器厂 | Static electronic track weighing apparatus |
| US5844174A (en) * | 1996-08-14 | 1998-12-01 | Sartorius Ag | Electronic balance with guide-rod parallel guide and wire strain gauge corner load sensor |
| US5734110A (en) * | 1996-10-11 | 1998-03-31 | Kistler-Morse Corporation | Temperature compensated, easily installed bolt-on strain sensor |
| US6653578B1 (en) * | 1998-10-20 | 2003-11-25 | Pfister Waagen Bilanciai Gmbh | Track scales with continuous rails and weighing sleepers |
| CN201497557U (en) * | 2009-02-16 | 2010-06-02 | 宁波博达电气有限公司 | Weighing sensor for rail weighbridge |
| CN202869623U (en) * | 2012-09-27 | 2013-04-10 | 福建省莆田市衡力传感器有限公司 | Rail weighbridge sensor |
| CN204405160U (en) * | 2015-02-12 | 2015-06-17 | 福建省莆田市衡力传感器有限公司 | A kind of overlength porous high-precision orbital LOAD CELLS |
| CN104964732A (en) * | 2015-06-30 | 2015-10-07 | 杭州钱江称重技术有限公司 | Double-perpendicular force integrated digital transducer |
| CN205246187U (en) * | 2015-11-23 | 2016-05-18 | 承德市五岳测控技术有限公司 | Tramway weighing apparatus |
| CN206709956U (en) * | 2017-05-08 | 2017-12-05 | 承德市五岳测控技术有限公司 | A kind of automatic scale carrier |
| CN206876273U (en) * | 2017-05-17 | 2018-01-12 | 宁波柯力传感科技股份有限公司 | Cantilever beam digital weighing sensor |
| CN208847315U (en) * | 2018-10-16 | 2019-05-10 | 承德市五岳测控技术有限公司 | Rest the head on bridge-type track scale weighing sensor |
Non-Patent Citations (2)
| Title |
|---|
| 严荣涛: "动态轨道衡的称重系统技术", 电力标准化与计量, no. 02 * |
| 刘九卿: "柱式称重传感器的非线性误差及其线性补偿", 衡器, no. 02 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114846305A (en) * | 2019-12-19 | 2022-08-02 | L.C.有限责任公司 | Load sensor for metal silo |
| CN115979402A (en) * | 2023-02-16 | 2023-04-18 | 承德市五岳测控技术有限公司 | Automatic rail weighbridge metering system without beam and rail break |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109029665B (en) | 2023-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107117037B (en) | Rod type pressure sensor for bow net contact force and method for measuring bow net contact force | |
| CN109029665A (en) | Rest the head on bridge-type track scale weighing sensor | |
| CN112748067B (en) | Calibration method for force measuring device and support based on friction coefficient measurement | |
| CN208847315U (en) | Rest the head on bridge-type track scale weighing sensor | |
| CN201514197U (en) | Digital display type track gage measuring rule | |
| JP3888750B2 (en) | Measuring method of contact force of pantograph | |
| CN101762357A (en) | Strain supervoltage pressure transformer | |
| CN201859004U (en) | Light weight measuring device | |
| CN211317204U (en) | Displacement measuring equipment | |
| WO2009142531A1 (en) | Method for weighting and diagnosing railway rolling stock under a rail base by means of a weighting rail plate | |
| RU2376560C1 (en) | Weighs for weighing movable railway objects in motion and statics by using rail plate | |
| CN106441651A (en) | Measuring device for pressure of railway vehicle | |
| CN210487127U (en) | A wheel-rail stress measuring connector and measuring device | |
| US3797302A (en) | On-board aircraft weight transducer with mechanical offset adjustment | |
| US11933687B2 (en) | Device for detecting a rail load and method for mounting such device in a rail | |
| RU2376561C1 (en) | Rail plate | |
| CN203216584U (en) | Matrix type rail weighbridge | |
| GB2216671A (en) | Weighing apparatus for rail vehicles | |
| CN218297329U (en) | Narrow strip sensor device weighs | |
| CN208568049U (en) | A kind of road vehicle dynamic weigher | |
| CN207763800U (en) | A kind of Weighing module applied to human body three-dimensional scanning device | |
| CN201003975Y (en) | Plate ring type sensor | |
| CN206718988U (en) | A kind of bow net contact power rod-type pressure sensor | |
| WO2004027355A1 (en) | Rail load measuring apparatus | |
| KR200272132Y1 (en) | Bridge bearing having a weight sensor |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |