CN207147787U - A kind of compartment mechanical performance detection means based on laser measurement displacement - Google Patents
A kind of compartment mechanical performance detection means based on laser measurement displacement Download PDFInfo
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- CN207147787U CN207147787U CN201721112884.5U CN201721112884U CN207147787U CN 207147787 U CN207147787 U CN 207147787U CN 201721112884 U CN201721112884 U CN 201721112884U CN 207147787 U CN207147787 U CN 207147787U
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- compartment
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- displacement sensor
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Abstract
A kind of compartment mechanical performance detection means based on laser measurement displacement, including data acquisition unit and support component are the utility model is related to, support component is located at outside the compartment of vehicle to be measured and plane where it is parallel to compartment carriage wall；Data acquisition unit includes controller, power supply module and laser displacement sensor, and power supply module energizes for whole data acquisition unit, and laser displacement sensor is installed in support component and is electrically connected with controller；The utility model is using its distance with compartment carriage wall of laser displacement sensor automatic detection, and laser displacement sensor is installed by size adjustable, position-movable support component, ensure that laser displacement sensor remains vertical with compartment tested surface, reference substance reference position is constant during whole experiment, eliminate because reference position change and caused by error, compartment remaining deformation is measured using laser displacement sensor, solves various disadvantages existing for traditional measurement method during measurement carriage body intensity.
Description
Technical field
A kind of compartment mechanical performance detection means based on laser measurement displacement is the utility model is related to, belongs to vehicle detection
Engineering device technique field.
Background technology
Currently, according to the requirement of the standards such as GB17953-2013, JT/T389-2010, hardware compartment, carriage of heat preservation, refrigeration
Compartment typically uses airbag experimental method with the carriage body intensity and mechanical test in, side curtain compartment etc., i.e., is treated inside carriage body
By making envelope wall become in face of producing deformation, and to the remnants of compartment external surface to the method that air bag inflator pressurizes in measuring surface
Shape amount is evaluated.Deformation yet with compression compartment external surface is a wide range of and scrambling, compartment external surface
The measurement of remaining deformation is always the difficulties in detection process.Traditional measuring method be car body be pressurized before and by
After pressure, with the fine rule being arranged in parallel in tank surface as reference substance, reference substance and the distance on car body surface are measured with chi,
So that it is determined that remaining deformation, the method is although simple to operate, but multiple drawbacks be present, first, using chi as survey tool, measurement
Shi Wufa ensures the exact vertical between chi and reference substance, and the precision for visually observing measurement result is too low；In addition, using line as
Reference substance can cause the change of reference substance reference position itself and produce error to measurement result.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, and proposes a kind of car based on laser measurement displacement
Railway carriage or compartment mechanical performance detection means, compartment remaining deformation is measured using laser displacement sensor, it is strong to solve measurement carriage body
Various disadvantages existing for traditional measurement method when spending, greatly improve test measurement precision.
Technical scheme is used by realizing the utility model purpose, a kind of compartment mechanicalness based on laser measurement displacement
Energy detection means, including data acquisition unit and support component, support component are located at outside the compartment of vehicle to be measured and where them
Plane is parallel to compartment carriage wall；The data acquisition unit includes controller, power supply module and more than 1 laser displacement sensing
Device, power supply module be whole data acquisition unit energy supply, laser displacement sensor be installed in support component and with control
Device is electrically connected with；The support component is splicing construction, is spliced to form by more than 1 travel(l)ing rest, the travel(l)ing rest includes
Base rack, more than 1 group straight-line displacement mechanism and more than 3 strap brake universal wheel wheels, the base rack is integrally L-shaped, and it is perpendicular
Vertical plane where straight portion is the working face for being used to install laser displacement sensor, and working face is parallel to compartment carriage wall, strap brake
Universal wheel is installed on the horizontal part of base rack, and straight-line displacement mechanism edge is horizontally and/or vertically installed on base rack
Working face on, laser displacement sensor is installed on the moving part of straight-line displacement mechanism and vertical with working face；Support
More than 2 gag lever posts, the working face of base rack of the gag lever post where it are installed turnablely on component.
The straight-line displacement mechanism is designed as more than 2 groups, and one of which installs fixation in the horizontal direction, remaining straight-line displacement
Vertically installation is fixed for mechanism, and the horizontal linear displacement mechanism is guide rail slide block pair, its sliding block quantity and vertical straight line
The quantity of displacement mechanism is identical, and lock-screw is equipped with each sliding block, and each vertical straight line displacement mechanism is separately mounted to each sliding block
On；The vertical straight line displacement mechanism is made up of the slideway and mounting seat connected by sliding pair, is again provided with each mounting seat
Lock-screw, laser displacement sensor are fixed in mounting seat.
The lower end of the base rack is provided with counterweight bracing piece, and counterweight bracing piece, which tilts, to be fixed on base rack, with base
Plinth support form right angle triangular structure, the bar footpath of counterweight bracing piece are from top to bottom incremented by.
Two neighboring travel(l)ing rest is spliced by docking mechanism, and the docking mechanism is by guide rod, leader fixed, linear axis
Hold and formed with bearing fixed seat, bearing fixed seat and the leader fixed bottom for being separately fixed at two travel(l)ing rests to be spliced
Portion, linear bearing are installed in bearing fixed seat, and guide rod loads linear bearing by leader fixed fixation, the other end
In, bearing fixed seat is provided with pinch grip, and pinch grip pushes against the bar segment that guide rod is located in bearing fixed seat.
More than 4 gag lever posts are installed turnablely, wherein 4 gag lever posts are distributed in the four of support component in support component
Angle, remaining gag lever post are uniformly distributed in support component center.
Data acquisition unit also includes display module, and the display module is industrial touch screen, and industry touches display
Screen interacts with controller information.
The power supply module includes linear power supply and Switching Power Supply, and linear power supply and Switching Power Supply access civil power and exported
24V voltages, linear power supply are used for the power supply of each laser displacement sensor, and Switching Power Supply is used for the confession of controller and display module
Electricity.
The controller is PLC, wherein integrated simulation amount expansion module.
As shown from the above technical solution, the utility model using laser displacement sensor automatic detection its with compartment carriage wall
Distance, and a set of size adjustable, position-movable support component are designed for installing laser displacement sensor, it is ensured that laser
Displacement transducer remains vertical with compartment tested surface, and reference substance reference position is constant during whole experiment, eliminates because of base
Level put change and caused by error, ensure measurement accuracy, laser displacement sensor passes through the support component that is positioned over outside compartment
Support is fixed, and the deformation of compartment wall does not interfere with the position of laser displacement sensor, multiple test points are chosen in compartment wall,
Compartment remaining deformation is measured using laser displacement sensor, same laser displacement sensor is before compartment deformation and becomes
The difference of measurement data twice after shape is the remaining deformation for the corresponding position that the laser displacement sensor measures, and takes each laser displacement
The maximum that sensor measures is the remaining deformation in compartment, meets that carrying out data to all kinds of van compartments surface deformation adopts
The requirement of collection.
Because the excursion of car sizes is wide, the variation of carriage body structure type, support component provided by the utility model
Using splicing construction, it is spliced to form by multiple independent used travel(l)ing rests, the size range in various compartments can be covered, is covered
Scope is long * height=2.75m*1.8m~9.5m*2.55m, and bottom uses strap brake universal wheel wheel, and its is simple for structure, in light weight, easy
In movement, it is easy to that deflection of the car body during strength test is monitored and fed back in real time；Laser displacement sensor is pacified
Loaded on more gag lever posts are provided with travel(l)ing rest, in the support component of travel(l)ing rest turnablely, gag lever post is used to test
The preceding surrounding for pushing against car frame, due to the working face of base rack of the gag lever post where it, ensures laser position with this
Displacement sensor remains vertical with tested surface；Multigroup straight-line displacement mechanism is respectively provided with each travel(l)ing rest, passes through the straight line position
Telephone-moving structure can adjust the horizontally and vertically position of laser displacement sensor, each straight-line displacement mechanism can locking, laser displacement
Pass through the position of locking lock-screw fixed laser displacement transducer after sensing station determination.
The base rack bottom of travel(l)ing rest has right angled triangle supporting construction, and self structure consolidates, right angled triangle
The bar footpath of the hypotenuse of supporting construction, i.e. counterweight bracing piece is from top to bottom incremented by, therefore weight is also from top to bottom incremented by, guarantee activity
Support using when run-off the straight or will not topple over.Two neighboring travel(l)ing rest is spliced by docking mechanism, is used in docking mechanism
Guide rod and linear bearing form sliding pair, obtain high-precision steady linear motion, phase is able to ensure that when travel(l)ing rest splices
The working face of adjacent two travel(l)ing rests is in the same plane.
Brief description of the drawings
Fig. 1 is the structural representation of support component provided by the utility model.
Fig. 2 is the structural representation of travel(l)ing rest provided by the utility model.
Fig. 3 is the splicing construction schematic diagram of travel(l)ing rest.
Fig. 4 is the structured flowchart of data acquisition unit.
Wherein, 10- travel(l)ing rests, 1- base racks, 2- strap brake universal wheel wheels, 3- counterweight bracing pieces, 4- horizontal linears position
Telephone-moving structure, 4a- guide rails, 4b- sliding blocks, the horizontal lock-screws of 4c-, 5- vertical straight line displacement mechanisms, 5a- slideways, 5b- mounting seats,
The vertical lock-screws of 5c-；20- gag lever posts；30- docking mechanisms, 31- guide rods, 32- is leader fixed, 33- bearing fixed seats, 34-
Pinch grip.
Embodiment
The utility model is illustrated in detail with reference to the accompanying drawings and examples, content of the present utility model not office
It is limited to following examples.
A kind of compartment mechanical performance detection means based on laser measurement displacement, including data acquisition unit and support group
Part, support component is located at outside the compartment of vehicle to be measured and plane where it is parallel to compartment carriage wall；
Referring to Fig. 4, it is sharp that the data acquisition unit includes PLC, industrial touch screen, power supply module and 10
Optical displacement sensor, the power supply module include linear power supply and Switching Power Supply, and linear power supply and Switching Power Supply access civil power
And 24V voltages are exported, linear power supply is used for the power supply of each laser displacement sensor, and Switching Power Supply is used for PLC and industry
The power supply of touch display screen, industrial touch screen and PLC information exchange, the two is integrated in switch board, PLC controls
Analog quantity spread module is integrated with device, it is quick with the wire spool of automatic telescopic between laser displacement sensor and PLC
Docking, signal wire are shunk freely, and facilitate cable-management, and wire spool is arranged in switch board, and switch board is provided with main power switch
And power supply indicator, the general supply of control and instruction equipment is respectively used to, switch board side wall, can be effective equipped with ventilation Industrial fan
In-cabinet temperature is controlled, protects electrical equipment normal work；
The laser displacement sensor is installed in support component, and referring to Fig. 1, the support component is splicing construction, by 1
Individual above travel(l)ing rest 10 is spliced to form, and is provided with 4 gag lever posts 20 in support component turnablely, and its length is 50mm-
200mm, the present embodiment use 200mm, and 4 gag lever posts 20 are distributed in the corner of support component, can when car length is more than 4m
The quantity of appropriate increase gag lever post, except 4 at corner, remaining gag lever post is uniformly distributed in support component center, each gag lever post
Pushing against compartment tested surface, it is ensured that support component is parallel with compartment tested surface, and gag lever post 20 uses the less spring lever of modulus of elasticity,
Ensure to deform and shorten with compartment carriage wall, but its own elastic force does not interfere with the deformation of carriage wall；
Two neighboring travel(l)ing rest 10 is spliced by docking mechanism 30, referring to Fig. 3, the docking mechanism 30 by guide rod 31,
Leader fixed 32, linear bearing and bearing fixed seat 33 are formed, and bearing fixed seat 33 and leader fixed 32 is separately fixed at
The bottom of two travel(l)ing rests 10 to be spliced, linear bearing are installed in bearing fixed seat, and the one end of guide rod 31 is consolidated by guide rod
Reservation 32 is fixed, the other end is fitted into linear bearing, and bearing fixed seat is provided with pinch grip 34, and pinch grip 34 is using common
Screw, the end of pinch grip push against the bar segment that guide rod is located in bearing fixed seat, limit the movement of guide rod；
Referring to Fig. 2, the travel(l)ing rest 10 includes 1,4 group of base rack, 4,5 and 4, straight-line displacement mechanism strap brake universal wheel
Wheel 2, the base rack 1 are spliced using 60*30mm aluminium section bars, overall L-shaped, vertical plane structure where its vertical portion
Into the working face of installation laser displacement sensor, the working face is parallel to compartment carriage wall, base of the gag lever post 20 where it
The working face of plinth support 1, the lower end of base rack 1 are provided with counterweight bracing piece 3, and counterweight bracing piece 3, which tilts, is fixed on base rack 1
On, with the form right angle triangular structure of base rack 1, the bar footpath of counterweight bracing piece 3 is from top to bottom incremented by, and reduces base rack
Center of gravity so that base rack is more firm, and strap brake universal wheel wheel 2 is installed on the corner of the horizontal part bottom of base rack 1, straight line position
Telephone-moving structure is installed on the working face of base rack 1 along horizontally and vertically direction；
In the present embodiment, fixed horizontal linear displacement mechanism is installed in the horizontal direction comprising 1 group by 4 groups of straight-line displacement mechanisms
4, and 3 groups vertically installed fixed vertical straight line displacement mechanism 5, the horizontal linear displacement mechanism 4 is guide rail slide block
Pair, including a guide rail 4a and with being equipped with level on vertical straight line displacement mechanism 5 quantity identical sliding block 4b, each sliding block 4b
Lock-screw 4c, each vertical straight line displacement mechanism 5 are separately mounted on each sliding block 4b, and vertical straight line displacement mechanism 5 can be in difference
Any switching laws on the horizontal linear displacement mechanism 4 of travel(l)ing rest；The vertical straight line displacement mechanism 5 by sliding pair by being connected
Slideway 5a and mounting seat 5b is formed, and multiple mounting seat 5b are provided with the slideway 5a of straightened portion straight-line displacement mechanism 5, each installation
Seat 5b is provided with vertical lock-screw 5c, horizontal lock-screw 4c and vertical lock-screw 5c and uses plain screw, its end
Guide rail 4a, slideway 5a are pushed against, prevents sliding block 4b, mounting seat 5b from continuing to slide, laser displacement sensor is fixed on mounting seat 5b,
The laser vertical that it is launched is in compartment tested surface.
In actual use, the quantity of travel(l)ing rest, is then propped up activity first according to needed for determining the size in compartment to be measured
Frame is spliced, and forms support component；Each laser displacement sensor is installed into fixation successively, Horizontal lock is locked after adjusting good position
Tight screw and vertical lock-screw；Finally the support component spliced is moved to by compartment, adjusted it is positioned such that each spacing
Bar contacts with compartment tank wall to be measured but does not extrude carriage wall, equidistant between whole support component and compartment carriage wall, and subsequent locking belt is stopped
Car universal wheel, start to test, each laser displacement sensor supervises deflection of the refrigerated vehicle carriage during strength test in real time
Control and feedback.Using graphic control panel and PLC, measurement data acquisition, transmission display, record, output are automatically performed.It is main
Want data processed result to be shown on screen, and recorded with report form display, print out or save as data file.
Claims (8)
- A kind of 1. compartment mechanical performance detection means based on laser measurement displacement, it is characterised in that：Including data acquisition unit And support component, support component is located at outside the compartment of vehicle to be measured and plane where it is parallel to compartment carriage wall；The data Collecting unit includes controller, power supply module and more than 1 laser displacement sensor, and power supply module is whole data acquisition unit Energy supply, laser displacement sensor are installed in support component and are electrically connected with controller；The support component is splicing Structure, be spliced to form by more than 1 travel(l)ing rest, the travel(l)ing rest include base rack, more than 1 group straight-line displacement mechanism and More than 3 strap brake universal wheel wheels, the base rack is integrally L-shaped, and vertical plane where its vertical portion is to be used to install laser The working face of displacement transducer, working face are installed on the horizontal part of base rack parallel to compartment carriage wall, strap brake universal wheel wheel, Along being horizontally and/or vertically installed on the working face of base rack, laser displacement sensor is installed on for straight-line displacement mechanism It is on the moving part of straight-line displacement mechanism and vertical with working face；2 are provided with support component turnablely with upper limit Bar, the working face of base rack of the gag lever post where it.
- 2. the compartment mechanical performance detection means according to claim 1 based on laser measurement displacement, it is characterised in that：Institute State straight-line displacement mechanism and be designed as more than 2 groups, one of which installs fixation in the horizontal direction, and remaining straight-line displacement mechanism is along perpendicular Nogata is fixed to installation, and the horizontal linear displacement mechanism is guide rail slide block pair, its sliding block quantity and vertical straight line displacement mechanism Quantity is identical, and lock-screw is equipped with each sliding block, and each vertical straight line displacement mechanism is separately mounted on each sliding block；It is described vertical Straight-line displacement mechanism is made up of the slideway and mounting seat connected by sliding pair, and lock-screw is again provided with each mounting seat, is swashed Optical displacement sensor is fixed in mounting seat.
- 3. the compartment mechanical performance detection means according to claim 1 based on laser measurement displacement, it is characterised in that：Institute The lower end for stating base rack is provided with counterweight bracing piece, and counterweight bracing piece, which tilts, to be fixed on base rack, is formed with base rack Triangular structure of right angle, the bar footpath of counterweight bracing piece are from top to bottom incremented by.
- 4. the compartment mechanical performance detection means according to claim 1 based on laser measurement displacement, it is characterised in that：Phase Adjacent two travel(l)ing rests are spliced by docking mechanism, and the docking mechanism is consolidated by guide rod, leader fixed, linear bearing and bearing Reservation is formed, bearing fixed seat and the leader fixed bottom for being separately fixed at two travel(l)ing rests to be spliced, linear bearing It is installed in bearing fixed seat, guide rod is fitted into linear bearing by leader fixed fixation, the other end, bearing fixed seat Pinch grip is provided with, pinch grip pushes against the bar segment that guide rod is located in bearing fixed seat.
- 5. the compartment mechanical performance detection means according to claim 1 based on laser measurement displacement, it is characterised in that：Branch More than 4 gag lever posts are installed turnablely on support component, wherein 4 gag lever posts are distributed in the corner of support component, remaining limit Position bar is uniformly distributed in support component center.
- 6. the compartment mechanical performance detection means according to claim 1 based on laser measurement displacement, it is characterised in that：Number Also include display module according to collecting unit, the display module is industrial touch screen, industrial touch screen and controller Information exchange.
- 7. the compartment mechanical performance detection means according to claim 6 based on laser measurement displacement, it is characterised in that：Institute Stating power supply module includes linear power supply and Switching Power Supply, and linear power supply and Switching Power Supply access civil power and export 24V voltages, line Property power supply be used for the power supply of each laser displacement sensor, Switching Power Supply is used for the power supply of controller and display module.
- 8. the compartment mechanical performance detection means according to claim 1 based on laser measurement displacement, it is characterised in that：Institute It is PLC, wherein integrated simulation amount expansion module to state controller.
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| CN201721112884.5U CN207147787U (en) | 2017-09-01 | 2017-09-01 | A kind of compartment mechanical performance detection means based on laser measurement displacement |
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| CN201721112884.5U CN207147787U (en) | 2017-09-01 | 2017-09-01 | A kind of compartment mechanical performance detection means based on laser measurement displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576510A (en) * | 2017-09-01 | 2018-01-12 | 武汉华威专用汽车检测有限责任公司 | Compartment method for testing performance and detecting system based on laser measurement displacement |
-
2017
- 2017-09-01 CN CN201721112884.5U patent/CN207147787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576510A (en) * | 2017-09-01 | 2018-01-12 | 武汉华威专用汽车检测有限责任公司 | Compartment method for testing performance and detecting system based on laser measurement displacement |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430056 No. 55 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: China Auto Research Automobile Inspection Center (Wuhan) Co., Ltd. Address before: 430056 No. 55 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee before: Wuhan China prestige special purpose vehicle detects Ltd |
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| CP01 | Change in the name or title of a patent holder |