CN105651527B - Portable rigid testboard bay - Google Patents
Portable rigid testboard bay Download PDFInfo
- Publication number
- CN105651527B CN105651527B CN201610117618.5A CN201610117618A CN105651527B CN 105651527 B CN105651527 B CN 105651527B CN 201610117618 A CN201610117618 A CN 201610117618A CN 105651527 B CN105651527 B CN 105651527B
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- China
- Prior art keywords
- fixed
- mounting box
- guide rod
- plate
- bracket assembly
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to automobile rigidity technical field of measurement and test, more particularly to a kind of portable rigid testboard bay, including bracket assembly, guide rod, pressure head bar, force snesor and displacement transducer, the bracket assembly bottom is hinged with the magnet for being fixed with ground absorption, the guide rod is fixed on bracket assembly and can slid axially, institute's displacement sensors are fixed on bracket assembly, the end of displacement transducer measuring staff is fixedly connected with guide rod, described force snesor one end is fixed with guide rod bottom, the other end at the top of pressure head bar with fixing, the pressure head bar bottom is fixed with loading head.Using moveable bracket assembly, coordinate pressure head bar, force snesor and displacement transducer to carry out the rigidity test of automobile, compact, be easy to carry, because displacement transducer is fixed on bracket assembly, it will not be accurate with respect to load(ing) point motion, measurement result with human hand.
Description
Technical field
The present invention relates to automobile rigidity technical field of measurement and test, and in particular to a kind of portable rigid testboard bay.
Background technology
The rigid relation of automobile the lifting of handling, is travelled and disliked to the ability of the accidents such as automobile reply collision, rolling
The various aspects such as the durability of comfort and automobile when on bad road.At present mainly using robot and pull and push dynamometer to automobile
Part carries out rigid test.For robot, because its volume is excessive, three problems are primarily present：1) it is not easy to reach
Some load(ing) points of interior of body；2) some being needed to test in the rigidity that environmental cabinet is carried out, robot can not enter environmental cabinet,
It can not test.3) using robot load that cost is too high, and occupied ground is big.It is and main existing for traditional pull and push dynamometer
Problem is：During Manual push-pull, due to the reaction force by loading force, displacement transducer can be as human hand be with respect to load(ing) point
Motion, practical distortion amount can not be reflected by causing to measure displacement, and measurement result is not accurate enough.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of simple in construction, compact, easy to remove and measurement knot
The accurate portable rigid testboard bay of fruit.
The technical scheme is that：A kind of portable rigid testboard bay, including bracket assembly, guide rod, pressure head bar, power pass
Sensor and displacement transducer, the bracket assembly bottom are hinged with the magnet for being fixed with ground absorption, and the guide rod is set
In that on bracket assembly and can slide axially, institute's displacement sensors are fixed on bracket assembly, the end of displacement transducer measuring staff
Portion is fixedly connected with guide rod, and described force snesor one end is fixed with guide rod bottom, the other end and fixed at the top of pressure head bar, the pressure
Head rod bottom is fixed with loading head.Using moveable bracket assembly, pressure head bar, force snesor and displacement transducer is coordinated to carry out
The rigidity test of automobile, compact, is easy to carry, because displacement transducer is fixed on bracket assembly, it will not be with people
Palmistry is moved to load(ing) point, and measurement result is accurate.
Further, the guide rod bottom level is fixed with data acquisition board, and the data acquisition board upper surface passes through position
Displacement sensor transition axis is connected with the end thread of displacement transducer measuring staff.By data acquisition board by the measuring staff of displacement transducer
It is fixed together with guide rod, it is simple in construction, it ensure that displacement transducer will not be as human hand be with respect to load(ing) point motion, measurement result
Accurately.
Further, ball head universal, the bulb are provided between institute's displacement sensors transition axis and data acquisition board
The bulb end of universal joint is threadedly coupled with displacement transducer transition axis, the fixed seat and data acquisition board of the ball head universal
Upper surface is fixedly connected, and the bulb of the ball head universal and the ball-and-socket of ball head universal cooperate.In displacement transducer mistake
Cross and ball head universal is set between axle and data acquisition board, structure assembling in itself and mismachining tolerance can be eliminated, further really
The accuracy of measurement result is protected.
Further, the bracket assembly includes two length-adjustable support bars and the connecting rod being connected with support bar, institute
State magnet and be arranged at the support bar bottom, be arranged with connecting rod fixer in the middle part of the support bar, the connecting rod fixer with
Connecting rod is threadedly coupled, and the connecting rod is provided with multiple positioning holes, by through two between the connecting rod and connecting rod of two support bars
The handle screw connection of connecting rod positioning hole is fixed.Bracket assembly is fixed by magnet, facilitates the movement of device, utilizes length
Support of the adjustable support bar as bracket assembly is spent, and is connected by the way of be hinged with upper and lower part.According to the angle of test
Degree demand, the length and angle of support bar can be adjusted, and by adjusting the angle of connecting rod and the position of positioning hole, can be to support
The angle of bar is fixed so that device can be loaded at any angle, flexibly and easily.
Further, the support bar include upper screw rod, with the oppositely oriented lower screw mandrel of upper screw rod and with upper and lower screw mandrel spiral shell
The screw mandrel sleeve of line connection, the upper screw rod top is hinged with mounting box bottom, the lower screw mandrel bottom and magnet are hinged.Pass through
Rotary screw sleeve, the length of support bar can be adjusted, it is simple and reliable for structure.
Further, the bracket assembly also includes mounting box, and the mounting box includes top plate, bottom plate and pushed up for connecting
The side plate of plate and bottom plate, the bottom base plate of the mounting box are hinged with two support bars, and the side plate interior sides of the mounting box are fixed
There is displacement transducer fixed seat, institute's displacement sensors are fixed in displacement transducer fixed seat, the survey of institute's displacement sensors
Bar stretches out the bottom of mounting box, is connected with displacement transducer transition axis screw top.Displacement transducer is arranged in mounting box,
It ensure that displacement transducer is not damaged by.
Further, the mounting box also includes door-plate, and the side plate of the door-plate and mounting box is hinged, the guide rod surface
Rotation stop groove is provided with vertically, and the rotation stop key coordinated with rotation stop groove is fixed with the inside of the door-plate.Using the rotation stop groove on guide rod and
Rotation stop key on the inside of door-plate cooperates, and guide rod radial rotating when preventing from loading, ensures the accurate of loading position, improves test
Precision.
Further, the top plate of the mounting box and bottom plate center are fixed with linear bearing, and the guide rod passes through mounting box
Top plate and bottom plate, and with linear bearing shiding matching.It is slidably matched using linear bearing and guide rod, friction is small, has higher
Displacement accuracy, ensure that the accuracy of experimental result.
Further, the linear bearing includes linear bearing body and is more than positioned at linear bearing body end and diameter
The bearing (setting) plate of linear bearing body external diameter, the top plate of the mounting box and bottom plate center are provided with shoulder hole, the linear axis
Hold body and pass through shoulder hole, the bearing (setting) plate of its end and the step surface of shoulder hole cooperate, and pass through spiral shell each other
Bolt is fixed.Linear bearing is fixed using this structure, simple in construction, fixed form is reliable.
Further, the mounting box both sides are fixed with hand-held handle.Hand-held handle is set, facilitates taking for whole device
Band.
Further, the pressing palm for being exerted a force to guide rod is fixed with the top of the guide rod.Pressing palm is set, is easy to
Test force.
In summary, the advantages of present invention has simple in construction, is easy to carry, and cost of manufacture is cheap, and measurement accuracy is high.
Brief description of the drawings
Fig. 1 is front view of the present invention；
Fig. 2 is the structural representation of support bar；
Fig. 3 is mounting box internal part structural representation of the present invention；
Fig. 4 is the mounting structure schematic diagram of displacement transducer；
Fig. 5 is Fig. 3 longitudinal sectional view；
In figure：1-magnet, 2-lower screw mandrel, 3-screw mandrel sleeve, 4-connecting rod fixer, 5-upper screw rod, 6-hold handle
Hand, 7-pressing palm, 8-guide rod, 9-mounting box, 10-displacement transducer, 11-displacement transducer transition axis, 12-bulb
Universal joint, 13-data acquisition board, 14-force snesor, 15-handle screw, 16-connecting rod, 17-pressure head bar, 18-loading
Head, 19-rotation stop key, 20-linear bearing, 20a-linear bearing body, 20b-bearing (setting) plate, 21-door-plate, 22-only
Turn trough, 23-displacement transducer mounting seat.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, it is clear that described embodiment is only this
The part of the embodiment of invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The all other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the present apparatus includes magnet 1, bracket assembly, guide rod 8, pressure head bar 17, force snesor 14, displacement sensing
Device 10 and mounting box 9.Bracket assembly is fixed by magnet 1 with ground absorption, and magnet 1 is electromagnet in the present embodiment, and ground is
Iron floor.Bracket assembly includes two length-adjustable support bars, the magnet 1 being hinged with support bar bottom and is connected with support bar
Connecting rod 16.It is arranged with connecting rod fixer 4 in the middle part of support bar, and by the handle screw on connecting rod fixer 4 by fixer
It is fixed on support bar.Connecting rod fixer 4 is threadedly coupled by handle screw 15 with connecting rod 16, is uniformly provided with every connecting rod 16
Multiple positioning holes, it is solid by being connected through the handle screw 15 of two connecting rod positioning holes between the connecting rod and connecting rod of two support bars
It is fixed.
As shown in Fig. 2 the present embodiment use support bar by upper screw rod 5, with the oppositely oriented lower screw mandrel 2 of upper screw rod 5 and
The screw mandrel sleeve 3 being connected with upper and lower wire rod thread forms.Wherein, the top of upper screw rod 5 and the bottom of mounting box 9 be hinged, lower screw mandrel 2
Bottom is be hinged with magnet 1, by rotary screw sleeve 3, can adjust the length of support bar, so that device is adjusted to test institute
The height and angle needed, the handle screw between connecting rod fixer 4 and connecting rod 16 is unscrewed after regulating, adjust the angle of connecting rod 16
The handle screw between connecting rod fixer 4 and connecting rod 16 is tightened afterwards, two 16 suitable positioning holes of connecting rod is selected, by handle screw
Tightened through positioning hole, the angle for realizing support bar finally by connecting rod 16 is fixed.
As shown in Figures 3 and 4, mounting box 9 includes top plate, bottom plate, the side plate for connecting top plate and bottom plate and cut with scissors with side plate
The door-plate 21 connect.The both sides of mounting box 9 are each fixed with a hand-held handle 6, the bottom base plate of mounting box 9 and two support bars
Top is hinged.The side plate interior sides of mounting box 9 are fixed with a displacement transducer fixed seat 23, and displacement transducer 10 is consolidated by bolt
Due in displacement transducer fixed seat 23.The top plate of mounting box 9 and bottom plate center offer shoulder hole, and straight line is provided with shoulder hole
Bearing 20, wherein, linear bearing 20 includes linear bearing body 20a and is more than positioned at linear bearing body 20a ends and diameter
The bearing (setting) plate 20b of linear bearing body 20a external diameters.Linear bearing body 20a passes through shoulder hole, and the bearing of its end is fixed
The step surface of plate 20b and shoulder hole cooperates, and is bolted each other.The top of guide rod 8 is fixed with for leading
The pressing palm 7 that bar 8 exerts a force, guide rod 8 pass through the top plate and bottom plate of mounting box 9, and are slidably matched with linear bearing 20.Guide rod 8
Surface is provided with rotation stop groove 22 vertically, and the inner side of door-plate 21 of mounting box 9 is fixed with the rotation stop key 19 coordinated with rotation stop groove 22, door-plate
After 21 shut, rotation stop key 19 can be embedded in rotation stop groove 22.
The bottom of guide rod 8 is stretched out the bottom of mounting box 9 and is fixedly connected with force snesor 14, the other end of force snesor 14 and pressure head bar
17 are fixedly connected, and the bottom of pressure head bar 17 is fixedly connected with the loading head 18 for being loaded to auto parts and components.The bottom of guide rod 8
One piece of data acquisition board 13 is horizontally fixed between force snesor 14, the upper surface of data acquisition board 13 is fixed with a bulb ten thousand
To section 12, a displacement sensor transition axis 11 is threaded with ball head universal 12, the measuring staff of the bottom of displacement transducer 10 is stretched
Go out the bottom of mounting box 9 to be connected with the screw top of displacement sensor transition axis 11.Wherein, the bulb end of ball head universal 12 and displacement
Sensor transition axis 11 is threadedly coupled, and the fixed seat of ball head universal 12 is fixedly connected with the upper surface of data acquisition board 13, bulb
The bulb of universal joint 12 cooperates with the ball-and-socket of ball head universal 12, with the assembling of cancellation element and mismachining tolerance.Pass through number
Displacement transducer 10 and guide rod 8 are linked together (that is, being linked together with pressure head bar 17) according to collection plate 13, loaded
During, as load(ing) point stress is deformed, pressure head bar 17 accordingly produces displacement.Because displacement transducer 10 and pressure head bar 17
One entirety is connected as by data acquisition board 13, so the displacement that displacement transducer 10 measures is the deforming position of load(ing) point
Move.
The foregoing is only a specific embodiment of the invention, it is noted that any those skilled in the art exist
Disclosed herein technical scope in, the change or replacement that can readily occur in, should all cover protection scope of the present invention it
It is interior.
Claims (11)
- A kind of 1. portable rigid testboard bay, it is characterised in that：Passed including bracket assembly, guide rod (8), pressure head bar (17), power Sensor (14) and displacement transducer (10), the bracket assembly bottom are hinged with the magnet (1) for being fixed with ground absorption, institute State guide rod (8) to be arranged on bracket assembly and can slide axially, institute's displacement sensors (10) are fixed on bracket assembly, position The end of displacement sensor (10) measuring staff is fixedly connected with guide rod (8), and described force snesor (14) one end and guide rod (8) bottom are solid Fixed, for the other end with fixed at the top of pressure head bar (17), pressure head bar (17) bottom is fixed with loading head (18).
- 2. portable rigid testboard bay as claimed in claim 1, it is characterised in that：Guide rod (8) bottom level is fixed There is data acquisition board (13), data acquisition board (13) upper surface passes through displacement transducer transition axis (11) and displacement transducer (10) the end thread connection of measuring staff.
- 3. portable rigid testboard bay as claimed in claim 2, it is characterised in that：Institute's displacement sensors transition axis (11) Ball head universal (12), the bulb end of the ball head universal (12) and displacement sensing are provided between data acquisition board (13) Device transition axis (11) is threadedly coupled, and the fixed seat of the ball head universal (12) is fixed with data acquisition board (13) upper surface to be connected Connect, the bulb of the ball head universal (12) cooperates with the ball-and-socket of ball head universal (12).
- 4. portable rigid testboard bay as claimed in claim 2, it is characterised in that：The bracket assembly includes two root long degree Adjustable support bar and the connecting rod (16) being connected with support bar, the magnet are arranged at the support bar bottom, the support bar Middle part is arranged with connecting rod fixer (4), and the connecting rod fixer (4) is threadedly coupled with connecting rod (16), on the connecting rod (16) Provided with multiple positioning holes, pass through the handle screw (15) through two connecting rod positioning holes between the connecting rod and connecting rod of two support bars It is connected.
- 5. portable rigid testboard bay as claimed in claim 4, it is characterised in that：The support bar include upper screw rod (5), The lower screw mandrel (2) oppositely oriented with upper screw rod (5) and the screw mandrel sleeve (3) being connected with upper and lower wire rod thread, the upper screw rod (5) Top is hinged with mounting box (9) bottom, lower screw mandrel (2) bottom and magnet (1) are be hinged.
- 6. portable rigid testboard bay as claimed in claim 4, it is characterised in that：The bracket assembly also includes mounting box (9), the mounting box (9) includes top plate, bottom plate and the side plate for connecting top plate and bottom plate, the bottom plate of the mounting box (9) Bottom is hinged with two support bars, and the side plate interior sides of the mounting box (9) are fixed with displacement transducer fixed seat (23), institute's rheme Displacement sensor (10) is fixed in displacement transducer fixed seat (23), and the measuring staff of institute's displacement sensors (10) stretches out mounting box (9) bottom, it is connected with displacement transducer transition axis (11) screw top.
- 7. portable rigid testboard bay as claimed in claim 6, it is characterised in that：The mounting box (9) also includes door-plate (21), the door-plate (21) and the side plate of mounting box (9) are hinged, and guide rod (8) surface is provided with rotation stop groove (22), institute vertically State the rotation stop key (19) for being fixed with the inside of door-plate (21) and coordinating with rotation stop groove (22).
- 8. portable rigid testboard bay as claimed in claim 6, it is characterised in that：The top plate of the mounting box (9) and bottom Plate center is fixed with linear bearing (20), and the guide rod (8) passes through the top plate and bottom plate of mounting box (9), and and linear bearing (20) shiding matching.
- 9. portable rigid testboard bay as claimed in claim 8, it is characterised in that：The linear bearing (20) includes straight line Bearing body (20a) and the bearing for being more than linear bearing body (20a) external diameter positioned at linear bearing body (20a) end and diameter Fixed plate (20b), the top plate of the mounting box (9) and bottom plate center are provided with shoulder hole, and the linear bearing body (20a) passes through Shoulder hole, the bearing (setting) plate (20b) of its end cooperates with the step surface of shoulder hole, and is consolidated each other by bolt It is fixed.
- 10. portable rigid testboard bay as claimed in claim 6, it is characterised in that：Mounting box (9) both sides are fixed with Hand-held handle (6).
- 11. the portable rigid testboard bay as described in any one of claim 1-10, it is characterised in that：The guide rod (8) Top is fixed with for the pressing palm (7) to guide rod (8) force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117618.5A CN105651527B (en) | 2016-03-02 | 2016-03-02 | Portable rigid testboard bay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117618.5A CN105651527B (en) | 2016-03-02 | 2016-03-02 | Portable rigid testboard bay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105651527A CN105651527A (en) | 2016-06-08 |
| CN105651527B true CN105651527B (en) | 2018-03-02 |
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ID=56492935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610117618.5A Active CN105651527B (en) | 2016-03-02 | 2016-03-02 | Portable rigid testboard bay |
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| CN (1) | CN105651527B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564566B (en) * | 2016-11-09 | 2019-02-05 | 沪东中华造船(集团)有限公司 | A kind of auxiliary mould of precision measure |
| CN107703279A (en) * | 2017-09-28 | 2018-02-16 | 宁波工程学院 | A kind of Portable in-situ direct shear apparatus |
| CN108801611A (en) * | 2018-04-11 | 2018-11-13 | 盐城派威机械有限公司 | A kind of Aerial hydraulic attachments linear displacement loading test device and test method |
| CN110057490B (en) * | 2019-04-18 | 2021-02-19 | 深圳市华众自动化工程有限公司 | Pressure sensor |
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| KR20110109525A (en) * | 2010-03-31 | 2011-10-06 | 창원대학교 산학협력단 | Measuring apparatus for dynamic stiffness |
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| CN203216726U (en) * | 2013-04-01 | 2013-09-25 | 宁波敏实汽车零部件技术研发有限公司 | Doorframe rigidity test apparatus |
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2016
- 2016-03-02 CN CN201610117618.5A patent/CN105651527B/en active Active
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| JPH11120550A (en) * | 1997-10-16 | 1999-04-30 | Kao Corp | Rigidity measuring instrument of thin type flexible tape |
| KR20110109525A (en) * | 2010-03-31 | 2011-10-06 | 창원대학교 산학협력단 | Measuring apparatus for dynamic stiffness |
| CN102519734A (en) * | 2011-12-15 | 2012-06-27 | 五邑大学 | Motorcycle frame rigidity performance test device |
| CN203216726U (en) * | 2013-04-01 | 2013-09-25 | 宁波敏实汽车零部件技术研发有限公司 | Doorframe rigidity test apparatus |
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| CN105651527A (en) | 2016-06-08 |
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