CN205537462U - Prop up roll -type angular measurement bending test device - Google Patents
Prop up roll -type angular measurement bending test device Download PDFInfo
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- CN205537462U CN205537462U CN201521048417.1U CN201521048417U CN205537462U CN 205537462 U CN205537462 U CN 205537462U CN 201521048417 U CN201521048417 U CN 201521048417U CN 205537462 U CN205537462 U CN 205537462U
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Abstract
The utility model discloses a prop up roll -type angular measurement bending test device on vertical face of roll -type bending test device base rear side, connects firmly dynamic monitoring bending test spare bending angle's angular surveying monitoring devices, angular surveying monitoring devices includes the pointer subassembly, and the pointer subassembly passes through angle scale plate groove center, and swing joint connects the gyro wheel through the pointer extension rod that connects firmly perpendicularly and forms the pointer subassembly at the rear end afterbody of the crooked pressure head of a roll -type bending test device body, pointer pole on it, and the gyro wheel contacts with the specimen surface, when experimental, makes the pointer indicate the angle and the bending angle of sample (7) to remain the unanimity throughout, is in when the sample the experimental effect of doing all can of crooked pressure head drives the gyro wheel rotation when emergence is crooked down, gyro wheel (17) transmit the spinning movement for pointer (3), and the bending angle with the sample indicates on the angle scale plate through the needle point. Through the utility model discloses can the actual bending angle of real -time supervision sample, accurate controlled test sample process of the test.
Description
Technical field
This utility model relates to a kind of bend test device measuring material bending plastic deformation ability, and being specifically related to one can
Automatically a roll-type bend test device of sample angle of bend is measured.
Background technology
Bend test is mainly used to the experimental material mechanical property when standing bend loading effect, conventional curved in production application
Bent test is evaluated material and is born the ability of bending ductility deformation, is the important references index of quality control and Application Design.Bending
Test is to stand bending ductility deformation on bending apparatus with circular, square, rectangle or polygonal crosssection sample, does not change and adds
Force direction, until it reaches a kind of test monitoring material bending plasticity of regulation angle of bend.During bend test, sample two-arm
Axis is maintained in the plane being perpendicular to bending axis.If the test at 180 ° of angles of bending, on request sample is bent to two-arm phase
Away from predetermined distance and be parallel to each other or two-arm directly contacts.
At present, bending apparatus great majority Material Testing Machine used are to be furnished with two rollers and a roller of a bending pressure head
Formula bending apparatus, is provided test load by testing machine.This type of test fixture is generally divided into pedestal and bending pressure head central shaft two parts,
It is connected by pin with testing stand and the crossbeam of testing machine respectively.The feature of the method is: sample is positioned over that level is contour, two rule
On a roller of determining deviation, a roller length is more than specimen width or diameter；Roller spacing is 2.5 times of sample thickness or diameter and bending
Bending pressure head root diameter sum, bending bending pressure head root diameter is specified by sample thickness and relevant sample standard, bending
The material index of experimental examination is typically sample crooked outer surface shape characteristic after bending strength or bending predetermined angular.
For reaching regulation angle of bend, existing method is by a roller spacing and to need the angle of bending by geometrical relationship meter
Calculating plug displacement, the crosshead displacement amount that the equipment that is reconverted into provides, as plug displacement, symbolizes bend test angle indirectly.
Thus method realizes the deficiency that the test of sample predetermined angular exists and is apparent from, and mainly has that test angle of bend error is big, returns
Bullet is difficult to control to, repeatedly apply test force, sample thickness impact is uncontrollable.
Mainly show:
1, test angle of bend error is big.Equipment crosshead displacement amount is the equipment crosshead displacement sensor tip monitor control index to crosshead displacement,
And bend test indirectly to characterize test angle of bend necessary displacement amount be that bending bending pressure head central shaft and specimen surface contact point are actual
Displacement, the surveyed data of displacement transducer are difficult to accurate Characterization；Along with the carrying out of test, sample gradually bends, can be to curved
Bent two rollers of device apply outside tension force, make a roller that slight sliding occurs sometimes, finally result in sample actual flexion angle and become
Little, it is difficult to reach expection test examination purpose；
2, resilience is difficult to control to.The ability of its counter-bending deformation of material of different nature and resilience is different, after test completes, all
Resilience in various degree can occur so that final angle of bend and Theoretical Calculation angle are inconsistent；
3, test force is repeatedly applied.During actual tests, because the factor of each side affects, often cannot once complete test, need
Repeatedly to apply test force, also need to carry out testing adjustment of displacement, whole examination according to the last residual bend angle measured simultaneously
Test process longer；
4, sample thickness impact is uncontrollable.During bend test, the sweep of sample not only can occur under the effect of external force
Flexural deformation, the most also can deform, i.e. lower thickness.The change of different materials or thickness cannot be before the test
Calculating accurately, this angle change also leading to sample cannot accurately control.
Utility model content
For solving the deficiency of existing roll-type bend test fixture, this utility model provides a kind of dynamic measurement precision high, knot
Structure is simple, simple operation, can monitor sample actual flexion angle dynamically, in real time in process of the test, and accurate Control Assay tries
Test a roll-type bend test device of process.
Realizing the technical scheme in the invention for solving the technical problem is: a kind of roll-type angular measurement bend test device, bag
Include prior art and use a roll-type bend test device body of version, it is characterised in that described roll-type bend test
On longitudinal surface on rear side of device body pedestal 2, it is fixedly connected with the angular surveying monitoring device of dynamic monitoring bend test part angle of bend,
Described angular surveying monitoring device includes U-shaped support 12, indicating hand component, guide rod 18, guide rod seat 21 and guide pin bushing 22, wherein,
Angle index plate 10 connects firmly in the side plane of described pedestal 2 by two parallel guide rods 18 fixing on backboard, indicating hand component
By angle index plate 10 groove center, it is movably connected in a rear end tails for roll-type bend test device body bending pressure head 8,
Being connected on the U-shaped support 12 of described angle index plate 10 backboard by snap ring 11, pointer bar 13 is by vertical solid on it
The pointer extension rod 14 of connection connects roller 17 and forms indicating hand component, and roller 17 contacts with sample 7 surface, during test, makes
Pointer instruction angle is always consistent with the angle of bend of sample 7, when sample 7 is in the effect of described bending pressure head 8 test force
Under drive when bending roller 17 to rotate, spinning movement is passed to pointer bar 13 by roller 17, by needle point 15 by sample
The angle of bend of 7 indicates on angle index plate 10.Test operation personnel have only to read angular readings to reflect examination
Sample 7 angle of bend now.
This utility model has the advantages that compared to prior art
1. dynamic measurement precision is high.This utility model angle increases on the basis of a traditional roll-type bending fixture and ensures that angular surveying refers to
Pin and the synchronization-moving angle measurement unit of sample, it is achieved the dynamic realtime monitoring function in process of the test.Employing degree graduated tile
10 are connected firmly in the side plane of described pedestal 2 by two parallel guide rods 18 fixing on backboard, and indicating hand component is carved by angle
Degree plate 10 groove center, is movably connected in a rear end tails for roll-type bend test device body bending pressure head 8, passes through snap ring
On the 11 U-shaped supports 12 being connected to described angle index plate 10 backboard, pointer bar 13 is prolonged by the pointer vertically connected firmly on it
Boom 14 connects roller 17 and forms indicating hand component, it is achieved that during bend test sample actual flexion angle dynamic, accurate,
Real-time monitoring and measurement.
This utility model, after angle index plate with specimen surface leveling, drives pointer by the change of sample surface location
Real-time change indicate the actual flexion angle of sample, it is achieved that sample angle of bend dynamic, accurately and in real time monitor.Solve
Prior art of having determined, owing to being limited by structure, does not reaches the requirement of 180 ° of angular distortion tests, does not has angle instruction function,
The most contour problem because manufacturing the two bending fulcrums brought can not be eliminated.
2. simple in construction, simple operation.This utility model uses roller 17 to contact with sample 7 surface, during test,
Make pointer instruction angle always consistent with the angle of bend of sample 7, when sample 7 is at the work of described bending pressure head 8 test force
Driving roller 17 to rotate when bending under with, spinning movement is passed to pointer bar 13 by roller 17, will examination by needle point 15
The angle of bend of sample 7 indicates on angle index plate 10.By pointer and roller contact bend specimen upper surface, then adjust quarter
Scale height to pointer initial position is zero-bit.In process of the test, drive pointer is rotated by sample, it is achieved angle of bend
Kinetic measurement, whole apparatus structure is simple.Without human intervention and operation in BENDING PROCESS, angle of bend directly can be in angle
Read on graduated tile, simple operation, in process of the test, sample actual flexion angle can be monitored dynamically, in real time, accurately control
Specimen test process.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further illustrated.
Fig. 1 is that this utility model dynamic monitoring angle of bend props up roll-type bend test device structural representation.
Fig. 2 is the rearview of Fig. 1.
In figure: 1 lower connecting rod, 2 pedestals, 3 bending pressure head central shafts, 4 bearings, 5 fixed blocks, 6 support shafts, 7 examinations
Sample, 8 bending pressure heads, 9 upper connecting rods, 10 angle index plates, 11 snap rings, 12U type support, 13 pointer bars, 14 pointers
Extension rod, 15 needle points, 16 support rims, 17 rollers, 18 guide rods, 19 fix bolt, 20 nuts, 21 guide rod seats, and 22
Guide pin bushing.
Detailed description of the invention
As it is shown in figure 1, dynamic monitoring angle of bend disclosed in the utility model props up roll-type bend test device by bending dress
Put part and angle measurement unit part forms.Prop up roll-type bend test device and complete the support that sample is required when bend test
Applying with test force.Roller type bending apparatus mainly include lower connecting rod 1, pedestal 2, bending pressure head central shaft 3, bearing 4,
Fixed block 5, support shaft 6, bending pressure head 8 and upper connecting rod 9, wherein, connect firmly the lower connection in pedestal 2 base plane
Bar 1 and the connecting rod 9 connected firmly in bending pressure head 8 upper plane are all the smooth surface poles with a pin hole, and it is main
To act on is to realize being connected with testing stand and the crossbeam of testing machine by pin, it is achieved the force value of testing machine and displacement can rigidity
Pass to bend test device and sample.Pedestal 2 is prismatoid, has to meet and tests required rigidity.Indulging at pedestal 2
It is to have to meet the prismatoid testing required rigidity to face, is shaped with inverted T-slot, inverted T-shaped upper surface in a longitudinal direction
Open slot is trapezoid-shaped openings groove, and plane is with on the intersecting plane of side plane in the vertical, is carved with and observes the bearing that is slidably connected on it
The groove scale of 4 displacements, Main Function is the measurement adjusted as 4 roller spacing of bearing.Bearing 4 is divided into two
Structure is identical, symmetrical, along the supporter that the slip of pedestal 2 rigid body longitudinal axis inverted T-slot is fixing.The bottom surface of bearing 4 has
It is shaped with along the longitudinal inverted T-slot open trapezoid open slot slip trapezoid boss slide block of pedestal 2, the size of boss slide block and pedestal 2
The dovetail groove opening of longitudinal inverted T-slot is basically identical, to ensure that bearing 4 can slide in pedestal 2 trapezoid-shaped openings groove, it is to avoid
Bearing is along the slip of trapezoid-shaped openings groove vertical direction.In extension plane bottom the handing-over downwards of bearing 4, it is shaped with bolt fastening
Hole, bearing 4 is fixed in pedestal 2 dovetail groove by bolt 19 by this bolt fastening hole, and carries on the back tightly with nut 20, it is achieved
Fixing of seat 4.
At two roller bearings 4 that two-arm is parallel to each other, upwardly extending inside top is shaped with one for placing support shaft 6
Semi-circular groove, support shaft 6 fixed by described semi-circular groove, the two ends fixed block 5 connected, and sample 7 is put when bending
Put in this support shaft 6, and ensure that sample is vertical with the axis of support shaft 6.Prop up the bending pressure head 8 of roller type bending apparatus part
For having sufficiently rigid T-type structure body, in the T-shaped plane of bending pressure head 8, transverse plane is shaped with upper connecting rod 9, lower section T
Type portion end is shaped with the semi-circular groove connecting bending pressure head central shaft 3, and bending pressure head central shaft 3 is by this bending pressure head central shaft
3 are rigidly fixed by the fixed block 5 identical with above-mentioned shape.The specification of bending pressure head central shaft 3 is adjustable, according to associated materials mark
Accurate or industrial regulatory requirements chooses suitably bending pressure head central shaft 3 specification.Bending pressure head central shaft 3 and support shaft 6 are chosen
Material should have enough rigidity and wearability, it is to avoid deforms during life-time service or weares and teares, and the light that surface is only possible
Sliding.
Described angle measurement unit part is prolonged by angle index plate 10, snap ring 11, U-shaped support 12, pointer bar 13, pointer
Boom 14, needle point 15, support rim 16, roller 17, guide rod 18, guide rod seat 21 and guide pin bushing 22 form.Wherein, refer to
Shank 13, pointer extension rod 14, needle point 15 and roller 17 form indicating hand component.Angle index plate 10 is by fixing on backboard
Two parallel guide rods 18 connect firmly in the side plane of described pedestal 2, indicating hand component pass through angle index plate 10 groove center,
It is movably connected in a rear end tails for roll-type bend test device body bending pressure head 8, is connected to described angle by snap ring 11
On the U-shaped support 12 of graduated tile 10 backboard, pointer bar 13 connects roller by the pointer extension rod 14 vertically connected firmly on it
17 composition indicating hand components, roller 17 contacts with sample 7 surface, during test, makes the bending of pointer instruction angle and sample 7
Angle is always consistent, drives roller 17 to revolve when sample 7 bends under the effect of described bending pressure head 8 test force
Turning, spinning movement is passed to pointer bar 13 by roller 17, the angle of bend instruction of sample 7 is carved in angle by needle point 15
On degree plate 10.
The Main Function of indicating hand component is to ensure that pointer instruction angle keeps consistent with the angle of bend of sample 7.Cardinal principle
It is that roller 17 contacts with sample 7 surface, drives when sample 7 bends under the effect of test force roller 17 to rotate,
Roller 17 is rigidly connected with pointer extension rod 14 and pointer bar 13, and spinning movement passes to pointer bar 13, pointer bar 13
This action being transmitted is needle point 15 again, and the angle of bend of sample 7 will directly be indicated on angle index plate 10 by needle point 15,
Test operation personnel have only to read angular readings to reflect sample 7 angle of bend now.The specification of roller 17 with
The diameter of bending pressure head central shaft 3 should keep consistent, in order to avoid different sizes causes angular error.
The indicating hand component of angle measurement unit is divided into two, left and right, and when being curved test, two, left and right indicating hand component is respectively
The angle of bend of reflection two curved edges of sample.Ideally, the reading of two pointers in left and right is identical, but actual tests process
In there is the existence of the situation such as misaligned with the center of bearing 4 of error or bending pressure head 8 due to the flatness of sample itself and thickness,
There is certain error in the instruction of two pointers, now needs to be read out the angle of bend on two limits respectively, then by two
Angular readings carries out being added the actual flexion angle that can calculate sample 7.
For the method simplifying angle calculation, the angle mark of the angle index plate 10 of the present embodiment is not from 0～180
The order of degree arranges, and is utilized in test force applying direction and is designated as 90 degree (vertical direction), marks respectively to both sides simultaneously
Remember to 0 degree (horizontal direction).Use this method to carry out having only to during angle calculation angular readings is added, be not required to
It is reconverted into the complementary angle of 180 degree.Such as, certain sheet coupon needs to be curved the bend test that angle is 60 degree, only needs
Observe that the instruction angle sum of two pointers is equal to when 60 degree to complete test.U-shaped support 12 is for having certain thickness
U-shaped plate, have two elongated holes simultaneously, the Main Function of this support is graduated tile and indicating hand component to be entered with bending pressure head 8
Row is fixing, simultaneously can be different because of the sample thickness of bend test, now needs to carry out pointer before the test zero-bit correction.Specifically
Process be first roller 17 to be contacted with sample 7 surface, then adjust the height of angle index plate 10, it is ensured that two indicating hand components
Indicating positions be 0 degree, then tighten angle index plate 10 nut below, it is ensured that graduated tile will not occur in process of the test
Sliding.The Main Function of guide rod 18, guide rod seat 21 and guide pin bushing is to ensure that angle index plate 10 and indicating hand component are in zero-bit
Revise and only occur during bend test the motion of vertical direction, do not rotate, it is ensured that the accuracy of angular surveying.
Roll-type bend test device is propped up according to dynamic monitoring angle of bend disclosed above, can by professional and technical personnel in the field
Realize easily or use this utility model.And after understanding above disclosure completely, many variations and modifications can be designed.Cause
This this utility model is not intended to be limited to specific embodiment disclosed herein, and is to fit to and dynamic monitoring angle of bend merit
Can consistent modifications and variations and equivalent thereof.
Claims (10)
1. prop up a roll-type angular measurement bend test device, use a roll-type bend test device body of version including prior art,
It is characterized in that, on the longitudinal surface of described roll-type bend test device body base (2) rear side, be fixedly connected with dynamic monitoring
The angular surveying monitoring device of bend test part angle of bend, described angular surveying monitoring device includes U-shaped support (12), refers to
Needle assembly, guide rod (18), guide rod seat (21) and guide pin bushing (22), wherein, angle index plate (10) is by fixing on backboard
Two parallel guide rods (18) connect firmly in the side plane of described pedestal (2), indicating hand component pass through angle index plate (10)
Groove center, is movably connected in a rear end tails for roll-type bend test device body bending pressure head (8), by snap ring (11)
Being connected on the U-shaped support (12) of described angle index plate (10) backboard, pointer bar (13) vertically connects firmly by it
Pointer extension rod (14) connect roller (17) composition indicating hand component, roller (17) contacts with sample (7) surface,
During test, make pointer instruction angle always consistent with the angle of bend of sample 7, when sample (7) is at described bending pressure head
(8) driving roller (17) to rotate when bending under the effect of test force, spinning movement is passed to pointer by roller (17)
Bar (13), is indicated the angle of bend of sample (7) on angle index plate (10) by needle point (15).
2. as claimed in claim 1 roll-type angular measurement bend test device, it is characterised in that: a roller type bending apparatus mainly wraps
Include lower connecting rod (1), pedestal (2), bending pressure head central shaft (3), bearing (4), fixed block (5), support shaft (6),
Bending pressure head (8) and upper connecting rod (9), wherein, connect firmly the lower connecting rod (1) in pedestal (2) base plane and consolidate
The connecting rod (9) being associated in bending pressure head (8) upper plane is all the smooth surface pole with a pin hole, and it is main
Effect is to realize being connected with testing stand and the crossbeam of testing machine by pin, it is achieved the force value of testing machine and displacement can the biographies of rigidity
Pass bend test device and sample.
3. as claimed in claim 1 roll-type angular measurement bend test device, it is characterised in that: the longitudinal surface of pedestal (2) is tool
Having and meet the prismatoid testing required rigidity, be shaped with inverted T-slot in a longitudinal direction, inverted T-shaped upper surface open groove is
Trapezoid-shaped openings groove, plane is with on the intersecting plane of side plane in the vertical, is carved with and observes bearing (4) shifting that is slidably connected on it
The groove scale of dynamic distance, Main Function is the measurement adjusted as bearing (4) roller spacing.
4. as claimed in claim 2 roll-type angular measurement bend test device, it is characterised in that: bearing (4) is divided into two structures
Identical, symmetrical, along the supporter that the slip of pedestal (2) rigid body longitudinal axis inverted T-slot is fixing.
5. as claimed in claim 3 roll-type angular measurement bend test device, it is characterised in that: the bottom surface of bearing (4) is shaped with
Along the longitudinal inverted T-slot open trapezoid open slot slip trapezoid boss slide block of pedestal (2), the size of boss slide block and pedestal (2)
The dovetail groove opening of longitudinal inverted T-slot basically identical, to ensure that bearing (4) can be slided in pedestal (2) trapezoid-shaped openings groove
Dynamic, it is to avoid bearing is along the slip of trapezoid-shaped openings groove vertical direction.
6. as claimed in claim 4 roll-type angular measurement bend test device, it is characterised in that: in the downward handing-over of bearing (4)
In the extension plane of bottom, being shaped with bolt fastening hole, bearing (4) is fixed on base by this bolt fastening hole by bolt (19)
In seat (2) dovetail groove and tight with nut (20) back of the body, it is achieved fixing of bearing (4).
7. as claimed in claim 5 roll-type angular measurement bend test device, it is characterised in that: upwardly extending at bearing (4)
Inside top be shaped with one for the semi-circular groove placing support shaft (6), support shaft (6) is by described semi-circular groove, by two
End connect fixed block (5) fix, sample (7) bending time be placed in this support shaft (6), and ensure sample with
The axis of support shaft (6) is vertical.
8. as claimed in claim 1 roll-type angular measurement bend test device, it is characterised in that: a roller type bending apparatus part
Bending pressure head (8) is for have sufficiently rigid T-type structure body, and in the T-shaped plane of bending pressure head (8), transverse plane is shaped with
Upper connecting rod (9), T-shaped portion, lower section end is shaped with the semi-circular groove connecting bending pressure head central shaft (3), bends pressure head center
Axle (3) is rigidly fixed by the fixed block (5) identical with above-mentioned shape.
9. as claimed in claim 1 roll-type angular measurement bend test device, it is characterised in that: the pointer set of angle measurement unit
Part is divided into two, left and right, and when being curved test, two, left and right indicating hand component reflects the angle of bend of two curved edges of sample respectively；
The angle mark of angle index plate (10) is not to arrange from the order of 0～180 degree, and is utilized in test force and applies
Direction is designated as 90 degree, simultaneously to horizontal direction both sides difference labelling to 0 degree.
10. as claimed in claim 1 roll-type angular measurement bend test device, it is characterised in that: U-shaped support (12) is for having
Certain thickness U-shaped plate, has two elongated holes simultaneously, the Main Function of this U-shaped support be by graduated tile and indicating hand component with
Bending pressure head (8) is fixed, simultaneously can be different because of the sample thickness of bend test, pointer carries out zero-bit before the test and repaiies
Just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048417.1U CN205537462U (en) | 2015-12-16 | 2015-12-16 | Prop up roll -type angular measurement bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048417.1U CN205537462U (en) | 2015-12-16 | 2015-12-16 | Prop up roll -type angular measurement bending test device |
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| Publication Number | Publication Date |
|---|---|
| CN205537462U true CN205537462U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521048417.1U Active CN205537462U (en) | 2015-12-16 | 2015-12-16 | Prop up roll -type angular measurement bending test device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698650A (en) * | 2015-12-16 | 2016-06-22 | 中国人民解放军第五七九工厂 | Supporting roller type test device for dynamically monitoring bending angle |
| CN107014700A (en) * | 2017-04-25 | 2017-08-04 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus |
| CN107144464A (en) * | 2017-06-19 | 2017-09-08 | 深圳市蓝丝腾科技有限公司 | Aircraft sylphon seal pressure test fixture |
| CN107271309A (en) * | 2017-07-19 | 2017-10-20 | 山西农业大学 | Shaft-like agricultural material cuts mechanical testing equipment |
| CN108918299A (en) * | 2018-08-02 | 2018-11-30 | 西南交通大学 | A kind of dynamic fracture toughness of metals measuring device based on Hopkinson bar |
| CN110899582A (en) * | 2019-12-13 | 2020-03-24 | 华东师范大学 | Portable probe bending machine with electric and manual operation |
| CN110953971A (en) * | 2019-12-17 | 2020-04-03 | 燕山大学 | Device for rapidly measuring bending degree of plate |
| CN112362327A (en) * | 2020-11-12 | 2021-02-12 | 重庆大学 | Application method of intelligent threaded fastener |
| CN112432779A (en) * | 2020-11-25 | 2021-03-02 | 罗洋 | Bolt looseness intelligent detection device |
| CN112630067A (en) * | 2020-11-30 | 2021-04-09 | 中国兵器工业第五二研究所烟台分所有限责任公司 | Multi-angle bending test device for stud welding sample |
| CN113155657A (en) * | 2021-03-30 | 2021-07-23 | 中国飞机强度研究所 | Testing device for static indentation of composite material curved beam |
| CN113790978A (en) * | 2021-08-24 | 2021-12-14 | 河钢股份有限公司 | Sheet metal bending test device |
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2015
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698650A (en) * | 2015-12-16 | 2016-06-22 | 中国人民解放军第五七九工厂 | Supporting roller type test device for dynamically monitoring bending angle |
| CN107014700A (en) * | 2017-04-25 | 2017-08-04 | 中国电子产品可靠性与环境试验研究所 | Flexing Apparatus |
| CN107144464A (en) * | 2017-06-19 | 2017-09-08 | 深圳市蓝丝腾科技有限公司 | Aircraft sylphon seal pressure test fixture |
| CN107271309A (en) * | 2017-07-19 | 2017-10-20 | 山西农业大学 | Shaft-like agricultural material cuts mechanical testing equipment |
| CN108918299A (en) * | 2018-08-02 | 2018-11-30 | 西南交通大学 | A kind of dynamic fracture toughness of metals measuring device based on Hopkinson bar |
| CN110899582A (en) * | 2019-12-13 | 2020-03-24 | 华东师范大学 | Portable probe bending machine with electric and manual operation |
| CN110953971A (en) * | 2019-12-17 | 2020-04-03 | 燕山大学 | Device for rapidly measuring bending degree of plate |
| CN110953971B (en) * | 2019-12-17 | 2021-04-16 | 燕山大学 | Device for rapidly measuring bending degree of plate |
| CN112362327A (en) * | 2020-11-12 | 2021-02-12 | 重庆大学 | Application method of intelligent threaded fastener |
| CN112362327B (en) * | 2020-11-12 | 2023-02-03 | 重庆大学 | Application method of intelligent threaded fastener |
| CN112432779A (en) * | 2020-11-25 | 2021-03-02 | 罗洋 | Bolt looseness intelligent detection device |
| CN112630067A (en) * | 2020-11-30 | 2021-04-09 | 中国兵器工业第五二研究所烟台分所有限责任公司 | Multi-angle bending test device for stud welding sample |
| CN113155657A (en) * | 2021-03-30 | 2021-07-23 | 中国飞机强度研究所 | Testing device for static indentation of composite material curved beam |
| CN113155657B (en) * | 2021-03-30 | 2024-01-30 | 中国飞机强度研究所 | Test device for static indentation of composite material curved beam |
| CN113790978A (en) * | 2021-08-24 | 2021-12-14 | 河钢股份有限公司 | Sheet metal bending test device |
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