CN107314753A - Body end portion displacement transducer fixing device with versatility - Google Patents
Body end portion displacement transducer fixing device with versatility Download PDFInfo
- Publication number
- CN107314753A CN107314753A CN201710610258.7A CN201710610258A CN107314753A CN 107314753 A CN107314753 A CN 107314753A CN 201710610258 A CN201710610258 A CN 201710610258A CN 107314753 A CN107314753 A CN 107314753A
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- China
- Prior art keywords
- sensor
- displacement transducer
- fixed
- fixing device
- testing stand
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 67
- 238000012360 testing method Methods 0.000 claims abstract description 60
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 8
- 238000002788 crimping Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000003068 static effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of body end portion displacement transducer fixing device with versatility, it is characterised in that:Mainly it is made up of testing stand track, end vertical deviation sensor fastening device, end cross length travel support meanss, end portraitlandscape displacement transducer fixing device, end vertical deviation sensor fastening device is placed on testing stand track, is connected by fot screw with testing stand track;End cross length travel support meanss are placed on testing stand track, are connected by fot screw with testing stand track;Portraitlandscape displacement transducer fixing device is bolted to connection with end cross length travel support meanss;Multiple end cross length travel support meanss constitute a test section, are fixedly connected respectively with end vertical deviation sensor fastening device by bolt.The device solves existing body end portion vertical deviation sensor fixed seat and there is distance of stretch out and draw back not enough, displacement transducer can not fixation the problem of, this covering device has versatility, can be used in any vehicle, makes experimental test result more accurate.
Description
Technical field
The present invention relates to the test of static strength technical field of vehicle body of railway vehicle steel construction, and in particular to a set of with general
The body end portion displacement transducer fixing device of property.
Background technology
In the test of static strength test process of vehicle body of railway vehicle steel construction, body end portion is vertical, transverse direction, length travel,
The end door of steel structure of car body, micro- deformation of drivers' cab are all the data for needing in experimental test accurately to measure, but in body end portion
When displacement transducer is fixed, there is problems with now:
1st, existing body end portion vertical deviation sensor fixed seat stroke is 1.2 meters or so, is existed in many projects flexible
Not enough, and fixed seat is only placed on ground distance, displacement transducer can not fixation, so when displacement transducer is fixed
It is difficult to ensure that the perpendicularity and stability of sensor and car body, and exist experiment time it is longer the problem of;
2nd, in the pilot project of high standards, vertical monitoring and test body end portion face, transverse direction, the number of length travel are required to
According to, such as Boston, York City subway project, but existing fixing device is positioned in floor in a vehicle, in experimental test, floor
Deformation can cause the test data error of end face length travel larger, when being tested outside car, and existing fixing device exists stable
Property difference the problems such as;The measuring accuracy of the test of static strength of carbody steel construction is reduced, it is quiet in boston, U.S.A metro project
In strength test test process, the fixation of displacement transducer is repeatedly confirmed with owner, delays the quality time.
The content of the invention
Problem to be solved by this invention is that existing body end portion vertical deviation sensor fixed seat has distance of stretch out and draw back not
It is enough, displacement transducer can not fixation the problem of, the present invention provides a set of body end portion displacement transducer with versatility
Fixing device.
In order to solve the above technical problems, the present invention, which provides a kind of body end portion displacement transducer with versatility, fixes dress
Put, it is characterised in that:Mainly by testing stand track, end vertical deviation sensor fastening device, end cross length travel branch
Support arrangement, end portraitlandscape displacement transducer fixing device composition, end vertical deviation sensor fastening device are placed in experiment
On platform track, it is connected by fot screw with testing stand track;End cross length travel support meanss are placed in testing stand track
On, it is connected by fot screw with testing stand track;Portraitlandscape displacement transducer fixing device and end cross length travel
Support meanss are bolted to connection;Multiple end cross length travel support meanss constitute a test sections, respectively with
End vertical deviation sensor fastening device is fixedly connected by bolt.
Described end vertical deviation sensor fastening device it is main by horizontal depression bar, vertical depression bar, extension rod, pedestal,
Porous connecting rod, fixed plate, clamp nut composition, fixed plate is connected by fot screw with testing stand track, fixed plate it is upper
Portion is connected with porous connecting rod one end, and the porous connecting rod other end is fixed on base bottom;Extension rod be placed on pedestal on prolong
Stock position, completes to crimp, sensor fixation plate is welded and fixed with extension rod by rotational fastener nut and pedestal, and laterally presses
Bar, vertical depression bar pass through the screwed hole of sensor fixation plate, are attached by clamp nut with sensor fixation plate.
Described end cross length travel support meanss are by longitudinal sensor support frame upper bracket, laterally undersetting, branch
Strut, fastening bolt composition, longitudinal sensor support frame undersetting are fixedly connected with testing stand track, longitudinal sensor support frame
Undersetting is fixedly connected with longitudinal sensor support frame upper bracket, and longitudinal sensor support frame upper bracket passes through fastening bolt and horizontal stroke
It is fixedly connected to support bar, sensor stand fixed mount is connected by fastening bolt with longitudinal sensor support frame upper bracket, position
Displacement sensor is fixed on sensor stand.
Described end cross longitudinal displacement sensor fixing device it is main by portraitlandscape displacement transducer fixed pedestal,
Longitudinally secured nut, sensor fixation plate, extension rod, fixed plate, sensor fixed pedestal depression bar, clamp nut composition, longitudinal direction,
Lateral displacement sensor fixed pedestal is bolted to connection with end cross, length travel support meanss, and extension rod is placed on
The upper extension rod position of pedestal, completes to crimp by rotational fastener nut and pedestal, two extension rod crimping, sensor fixation plate
It is welded and fixed, horizontal depression bar, vertical depression bar pass through the screwed hole of sensor fixation plate, pass through clamp nut and sensor fixation plate
It is attached.
Beneficial effects of the present invention:After this covering device is used, existing body end portion vertical deviation sensor can be solved and consolidated
Reservation exist distance of stretch out and draw back not enough, displacement transducer can not fixation, when displacement transducer is fixed it is difficult to ensure that sensor
With the perpendicularity and stability of car body, and exist experiment time it is longer the problem of;In the pilot project of high standards,
It is required to monitoring and test body end portion face transverse direction, the data of length travel, such as Boston, York City subway project, but existing frock
It is positioned in floor in a vehicle, in experimental test, the deformation of floor can cause the test data error of end face length travel
It is larger, when being tested outside car, the problems such as existing frock existence and stability is poor;Reduce the test of static strength of carbody steel construction
Measuring accuracy, in boston, U.S.A metro project test of static strength test process, the fixation of displacement transducer is repeatedly and industry
It is main to be confirmed, experiment time is saved, the experimental test project of some high-precision requirements can be more met, moreover, this set
Device has versatility, can be used in any vehicle, makes experimental test result more accurate.
Brief description of the drawings
Fig. 1 is overall assembling schematic diagram in the present invention;
Fig. 2 is the structural representation of the end vertical deviation sensor fastening device in the present invention;
Fig. 3 is the structural representation of the end cross length travel support meanss in the present invention;
Fig. 4 is the structural representation of the end cross length travel fixing device in the present invention.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
In the test of static strength test process of vehicle body of railway vehicle steel construction, car body is vertical, end length travel, car body steel
Micro- deformation of the vehicle window, car door of structure is all the data for needing in experimental test accurately to measure, according to different test position point
Not Cai Yong two kinds of stay-supported type displacement sensor and rod-pulling type displacement transducer tested, therefore all the sensors support of the present invention is equal
Both displacement transducers can be fixed.
As shown in figure 1, the overall assembling schematic diagram in the present invention, a set of body end portion displacement transducer with versatility
Fixing device is main to be filled by testing stand track 1, end vertical deviation sensor fastening device 2, end cross length travel support
3, end cross longitudinal displacement sensor fixing device 4 is put to constitute.A set of body end portion displacement transducer with versatility is consolidated
The assemble sequence for determining device is:
1st, end vertical deviation sensor fastening device 2 is placed on testing stand track, is connected by fot screw with testing stand track 1
Connect;
2nd, end cross length travel support meanss 3 are placed on testing stand track, with end vertical deviation sensor fastening device 2
Horizontal range be 1.5m, be connected by fot screw with testing stand track 1
3rd, required according to experimental test, choose multiple end cross length travel support meanss 3, constitute a test section, point
It is not fixedly connected with end vertical deviation sensor fastening device 2 by bolt.
During use, test vehicle is positioned over after testing stand, first selectes the vertical measurement position of appropriate end, end is hung down
It is placed in displacement transducer fixing device 2 after testing stand track, is connected by fot screw with testing stand track 1, displacement is passed
Sensor is fixed on after end vertical deviation sensor fastening device 2, just completes consolidating for end vertical deviation sensor fastening device
It is fixed.Then suitable end cross length travel measurement position is selected, end cross length travel support meanss 3 are placed in experiment
After platform track, it is connected by fot screw with testing stand track 1, finally according to measurement end cross lengthwise position, uses bolt
End cross longitudinal displacement sensor fixing device 4 is attached with end cross length travel support meanss 3, finally by position
Displacement sensor is fixed on after end cross length travel support meanss 3, is just completed end cross longitudinal displacement sensor and is fixed dress
The fixation put, is accurately measured the displacement of steel structure of car body end cross, length travel, vertical deviation respectively.
As shown in Fig. 2 the structural representation of the end vertical deviation sensor fastening device in the present invention, vertical deviation is passed
Sensor fixing device is main by horizontal depression bar 201, vertical depression bar 202, extension rod 203,204, pedestal 211, porous connecting rod
205th, fixed plate 206, clamp nut 207,204,209 etc. are constituted;The assemble sequence of vertical deviation sensor fastening device is:
1st, first fixed plate 206 is connected by fot screw with testing stand track 1;
2nd, the top of fixed plate 206 is connected with porous one end of connecting rod 205, and the other end of porous connecting rod 205 is fixed on pedestal
211 bottoms, because porous connecting rod 205 is porous design, can finely tune the fixed position of pedestal 211;
3rd, extension rod 203 is placed on the upper extension rod position of pedestal 211, completes to press by rotational fastener nut 204 and pedestal 211
Connect, extension rod 204 is placed on extension rod 203, complete to crimp by rotational fastener nut 209 and extension rod 203;
4th, sensor fixation plate 208 is welded and fixed with 203, and horizontal depression bar 201, vertical depression bar 202 pass through sensor fixation plate
208 screwed hole, is attached by clamp nut 207 with sensor fixation plate 208;
During fixed displacement sensor, first displacement transducer is inserted on displacement transducer fixed pedestal depression bar 202 or 201, with
Rotational fastener nut 207 afterwards, until displacement transducer is fixed.Then by adjusting extension rod 203, make at displacement transducer
In suitable position, last rotational lock nut 204 will adjust the fixation of extension rod 203, be fastened by bolts 205, last
It is connected by 206 with test tracks, completes the fixation of vertical deviation sensor.
As shown in figure 3, the structural representation of the end cross length travel support meanss in the present invention, end cross longitudinal direction
Displacement fixing device by longitudinal sensor support frame upper bracket 304, undersetting 305, transverse support bar 303, fastening bolt 301,
302nd, 306 composition.The assemble sequence of end cross length travel support meanss is:
1st, longitudinal sensor support frame undersetting 305 and testing stand track 1 are fixed by bolt 306;
2nd, longitudinal sensor support frame undersetting 305 is carried out with longitudinal sensor support frame upper bracket 304 by clamp nut
It is fixed;
3rd, being fixed by fastening bolt 302 and transverse support bar 303 of longitudinal sensor support frame upper bracket 304;
4th, sensor stand fixed mount is attached by fastening bolt 301 with longitudinal sensor support frame upper bracket 304,
Displacement transducer is fixed on sensor stand;
During fixed displacement sensor, suitable position is first selected, by fastening bolt 306 to longitudinal sensor support frame undersetting
305 are fixed with testing stand track, by clamp nut by longitudinal sensor support frame undersetting 305 and longitudinal sensor branch
Support upper bracket 304 is fixed, and is the fastening bolt of longitudinal sensor support frame upper bracket 304 and transverse support bar 303;Most
Sensor stand fixed mount is fixed according to required measurement position afterwards, displacement transducer is fixed on sensor stand, then completed
Longitudinal displacement sensor is fixed.
As shown in figure 4, the portraitlandscape displacement transducer fixture structure schematic diagram in the present invention.
Longitudinally, laterally displacement transducer fixing device it is main by longitudinally, laterally displacement transducer fixed pedestal 401, longitudinal direction,
Clamp nut 402, lateral displacement sensor fixation plate 405, extension rod 403, extension rod 404, sensor fixed pedestal depression bar
406th, sensor fixed pedestal depression bar 407, clamp nut 408 are constituted;The assembling of portraitlandscape displacement transducer fixing device is suitable
Sequence is:
1st, portraitlandscape displacement transducer fixed pedestal 401 and end cross, the company of being bolted of length travel support meanss 3
Connect;
2nd, extension rod 403 is placed on the upper extension rod position of pedestal 401, completes to press by rotational fastener nut 402 and pedestal 401
Connect, extension rod 404 is placed on extension rod 403, complete to crimp by rotational fastener nut and extension rod 403;
4th, sensor fixation plate 405 is welded and fixed with 404, and horizontal depression bar 407, vertical depression bar 406 pass through sensor fixation plate
405 screwed hole, is attached by clamp nut 408 with sensor fixation plate 405;
During fixed displacement sensor, first displacement transducer is inserted on lateral displacement sensor fixation plate 405, subsequent rotational fastener
Nut 408, until displacement transducer is fixed.By adjusting extension rod 403,404, displacement transducer is set to be in suitable position
Put, last rotational lock nut 402, by displacement transducer fixation, be fastened by bolts 401 and horizontal, length travel branch
Support arrangement is attached, and completes the fixation of portraitlandscape displacement transducer.
Claims (4)
1. a kind of body end portion displacement transducer fixing device with versatility, it is characterised in that:Mainly by the vertical position in end
Displacement sensor fixing device, end cross length travel support meanss, end cross length travel fixing device, testing stand track
Composition, end vertical deviation sensor fastening device is placed on testing stand track, is connected by fot screw with testing stand track;
End cross length travel support meanss are placed on testing stand track, are connected by fot screw with testing stand track;Multiple ends
Portion's transverse direction length travel support meanss constitute a test section, pass through spiral shell with end vertical deviation sensor fastening device respectively
Bolt is fixedly connected.
2. the body end portion displacement transducer fixing device according to claim 1 with versatility, it is characterised in that:Institute
The end vertical deviation sensor fastening device stated it is main by horizontal depression bar, vertical depression bar, extension rod, pedestal, porous connecting rod,
Fixed plate, clamp nut composition, fixed plate are connected by fot screw with testing stand track, the top of fixed plate and porous connection
Bar one end is connected, and the porous connecting rod other end is fixed on base bottom;Extension rod is placed on the upper extension rod position of pedestal, passes through
Rotational fastener nut is completed to crimp with pedestal, and sensor fixation plate is welded and fixed with extension rod, and horizontal depression bar, vertical depression bar are worn
The screwed hole of sensor fixation plate is crossed, is attached by clamp nut with sensor fixation plate.
3. the body end portion displacement transducer fixing device according to claim 1 with versatility, it is characterised in that:Institute
The end cross length travel support meanss stated are by longitudinal sensor support frame upper bracket, undersetting, transverse support bar, fastening spiral shell
Bolt is constituted, and longitudinal sensor support frame undersetting is fixedly connected with testing stand track, and longitudinal sensor support frame undersetting is with indulging
It is fixedly connected to sensor support frame upper bracket, longitudinal sensor support frame upper bracket is consolidated by fastening bolt and transverse support bar
Fixed connection, sensor stand fixed mount is connected by fastening bolt with longitudinal sensor support frame upper bracket, and displacement transducer is solid
Due on sensor stand.
4. the body end portion displacement transducer fixing device according to claim 1 with versatility, it is characterised in that:Institute
The portraitlandscape displacement transducer fixing device stated it is main by portraitlandscape displacement transducer fixed pedestal, longitudinally secured nut,
Sensor fixation plate, extension rod, fixed plate, sensor fixed pedestal depression bar, clamp nut composition, portraitlandscape displacement transducer
Fixed pedestal is bolted to connection with end cross length travel support meanss, and extension rod is placed on the upper extension rod position of pedestal
Put, complete to crimp by rotational fastener nut and pedestal, two extension rod crimping, sensor fixation plate is welded and fixed, laterally pressure
Bar, vertical depression bar pass through the screwed hole of sensor fixation plate, are attached by clamp nut with sensor fixation plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710610258.7A CN107314753B (en) | 2017-07-25 | 2017-07-25 | Fixing device with universality for vehicle body end displacement sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710610258.7A CN107314753B (en) | 2017-07-25 | 2017-07-25 | Fixing device with universality for vehicle body end displacement sensor |
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Publication Number | Publication Date |
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CN107314753A true CN107314753A (en) | 2017-11-03 |
CN107314753B CN107314753B (en) | 2024-05-07 |
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CN201710610258.7A Active CN107314753B (en) | 2017-07-25 | 2017-07-25 | Fixing device with universality for vehicle body end displacement sensor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109470190A (en) * | 2018-11-09 | 2019-03-15 | 中国直升机设计研究所 | Rod-pulling type displacement sensor fixes device |
CN112985851A (en) * | 2019-11-29 | 2021-06-18 | 中车长春轨道客车股份有限公司 | Vehicle quasi-static test platform |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003166817A (en) * | 2001-12-03 | 2003-06-13 | Mitsubishi Heavy Ind Ltd | Rail measuring device |
CN101666714A (en) * | 2009-09-28 | 2010-03-10 | 山东交通学院 | Automobile dynamics test bed with transverse loading function |
CN101699247A (en) * | 2009-11-10 | 2010-04-28 | 青岛四方车辆研究所有限公司 | Comprehensive test bed for automobile body |
KR20130066109A (en) * | 2011-12-12 | 2013-06-20 | 한국항공우주연구원 | Sensor location fixing apparatus for measuring electromagnetic pulse |
CN203323724U (en) * | 2013-05-27 | 2013-12-04 | 武汉二航路桥特种工程有限责任公司 | Auxiliary device for guyed displacement sensor |
CN203616151U (en) * | 2013-11-29 | 2014-05-28 | 南车青岛四方机车车辆股份有限公司 | Vehicle fixing device for rail vehicle marshalling test |
JP3200346U (en) * | 2015-07-29 | 2015-10-15 | 雄華機械(蘇州)有限公司 | Testable fixture with fixing effect |
CN105092231A (en) * | 2015-09-08 | 2015-11-25 | 南京理工大学 | General test bed of dynamic drives |
CN205691082U (en) * | 2016-05-24 | 2016-11-16 | 吉林大学 | Six degree of freedom measures the caliberating device of system |
CN207215063U (en) * | 2017-07-25 | 2018-04-10 | 中车长春轨道客车股份有限公司 | Body end portion displacement transducer fixing device with versatility |
-
2017
- 2017-07-25 CN CN201710610258.7A patent/CN107314753B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003166817A (en) * | 2001-12-03 | 2003-06-13 | Mitsubishi Heavy Ind Ltd | Rail measuring device |
CN101666714A (en) * | 2009-09-28 | 2010-03-10 | 山东交通学院 | Automobile dynamics test bed with transverse loading function |
CN101699247A (en) * | 2009-11-10 | 2010-04-28 | 青岛四方车辆研究所有限公司 | Comprehensive test bed for automobile body |
KR20130066109A (en) * | 2011-12-12 | 2013-06-20 | 한국항공우주연구원 | Sensor location fixing apparatus for measuring electromagnetic pulse |
CN203323724U (en) * | 2013-05-27 | 2013-12-04 | 武汉二航路桥特种工程有限责任公司 | Auxiliary device for guyed displacement sensor |
CN203616151U (en) * | 2013-11-29 | 2014-05-28 | 南车青岛四方机车车辆股份有限公司 | Vehicle fixing device for rail vehicle marshalling test |
JP3200346U (en) * | 2015-07-29 | 2015-10-15 | 雄華機械(蘇州)有限公司 | Testable fixture with fixing effect |
CN105092231A (en) * | 2015-09-08 | 2015-11-25 | 南京理工大学 | General test bed of dynamic drives |
CN205691082U (en) * | 2016-05-24 | 2016-11-16 | 吉林大学 | Six degree of freedom measures the caliberating device of system |
CN207215063U (en) * | 2017-07-25 | 2018-04-10 | 中车长春轨道客车股份有限公司 | Body end portion displacement transducer fixing device with versatility |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109470190A (en) * | 2018-11-09 | 2019-03-15 | 中国直升机设计研究所 | Rod-pulling type displacement sensor fixes device |
CN112985851A (en) * | 2019-11-29 | 2021-06-18 | 中车长春轨道客车股份有限公司 | Vehicle quasi-static test platform |
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