CN209043728U - A kind of 3 four-point bending global function testing machines - Google Patents
A kind of 3 four-point bending global function testing machines Download PDFInfo
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- CN209043728U CN209043728U CN201821866205.8U CN201821866205U CN209043728U CN 209043728 U CN209043728 U CN 209043728U CN 201821866205 U CN201821866205 U CN 201821866205U CN 209043728 U CN209043728 U CN 209043728U
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- fixedly connected
- pedestal
- sliding
- screw rod
- global function
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Abstract
The utility model discloses a kind of 3 four-point bending global function testing machines, including Apparatus for Bending at low-temp main body, pedestal is fixedly connected on the bottom plate of Apparatus for Bending at low-temp main body, the center position of pedestal is offered to further groove, the upper surface of pedestal is opened up there are two the sliding slot symmetrical about centering groove location, it is slidably connected in two sliding slots and the matched sliding block of sliding slot, common rotation is connected with screw rod in two sliding slots, and contrary screw thread there are two types of being set on screw rod, screw rod is through two sliding blocks and one end extends on the outside of pedestal, and screw rod is threadedly coupled with two sliding blocks, the upper surface of sliding block is fixedly connected with support arm, and the upper surface of support arm is fixedly connected with positioning plate, to being symmetrically fixedly connected with slide cartridge on the front-rear side walls of further groove, cylinder bottom inside slide cartridge is fixedly connected with spring.The utility model improves the accuracy and authenticity of 3 four-point bending global function testing machine test datas.
Description
Technical field
The utility model relates to bend test device technical fields, more particularly to a kind of 3 four-point bending global functions test
Machine.
Background technique
Three point bending test is the material bendings power such as the LCD Panel for examining metal, ceramics, glass and each electric appliances
The experimental method of performance and fracture toughness is learned, sample generally has specific specification requirement, and three contact points of sample form equal
Two torque when three-point bending occurs, sample will be broken in midpoint.Four-point bending is similar with three-point bending, equally
It is a kind of test method for measuring material bending performance.Bar-shaped sample is lain against in bend test fixture, simply supported beam shape is formed
Formula, supporting the distance between two lower supporting points of sample to regard, specimen length is adjustable, and there are two symmetrical load(ing) points above sample.
3 points in material property detection at present, four-point bending test fixture generally only serve the effect of support, it is to be tested
Sample is only simply placed above fixture and tests its bending property with Material Testing Machine, tends not to guarantee sample in fixture
Between position, and then affect the accuracy and authenticity of test data.
Utility model content
Purpose of the utility model is to solve Material Testing Machine in the prior art to test its bending property, tends not to
The problem of guaranteeing sample in the middle position of fixture, influencing the accuracy and authenticity of test data, and 3 points of one kind proposed
Four-point bending global function testing machine.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of 3 four-point bending global function testing machines, including Apparatus for Bending at low-temp main body, the Apparatus for Bending at low-temp main body
Pedestal is fixedly connected on bottom plate, the center position of the pedestal is offered to further groove, and the upper surface of the pedestal opens up
There are two the sliding slot symmetrical about centering groove location, slidably connected and the matched cunning of sliding slot in two sliding slots
Block, common rotation is connected with screw rod in two sliding slots, and is set on screw rod there are two types of contrary screw thread, and the screw rod passes through
It wears two sliding blocks and one end extends on the outside of pedestal, and screw rod is threadedly coupled with two sliding blocks, the upper surface of the sliding block is solid
Surely it is connected with support arm, and the upper surface of support arm is fixedly connected with positioning plate, it is symmetrical on the front-rear side walls to further groove
Be fixedly connected with slide cartridge, the cylinder bottom inside the slide cartridge is fixedly connected with spring, the other end of the spring be fixedly connected with
The matched slide bar of slide cartridge, and slide bar is slidably connected with slide cartridge, the slide bar far from one end of spring pass through slide cartridge nozzle and to
Outer to extend and be fixedly connected with centering rod, the centering rod is flexibly connected with to further groove.
Preferably, two positioning plates are fixedly connected to fixed plate, the fixation on the opposite side wall on top
The lower section of plate is equipped with pressing plate, and pressing plate is slidably connected with positioning plate, and the upper surface of the pressing plate is rotatably connected to spiral shell by bearing
The other end of rasp bar, the threaded rod through fixed plate and upwardly extends, and threaded rod is threadedly coupled with fixed plate.
Preferably, one end of screw rod is fixedly connected with turntable on the outside of the pedestal.
Preferably, the sliding block offers ball grooves close to the side of sliding slot slot bottom, and rolls and be connected in ball grooves
The ball matched, the ball passes through the notch of ball grooves far from one end of ball grooves slot bottom and extends outwardly, and rolls and be connected to
The slot bottom of sliding slot.
Preferably, the lower surface of the pressing plate is connected with non-slip mat.
Preferably, the threaded rod is fixedly connected with handle far from one end of pressing plate.
Compared with prior art, the utility model provides a kind of 3 four-point bending global function testing machines, has following
The utility model has the advantages that
1,3 four-point bending global function testing machines, by setting Apparatus for Bending at low-temp main body, to further groove, sliding slot, cunning
Sample to be tested is placed between two centering rods by block, screw rod, support arm, positioning plate, slide cartridge, spring, slide bar and centering rod, right
Middle bar, which is squeezed, will drive slide bar towards the sliding of the cylinder bottom direction of slide cartridge and compressed spring, so that it is right to carry out front and back to sample
In, rotate clockwise screw rod, there are two types of contrary screw threads on screw rod, drive two sliding blocks of threaded connection along sliding slot phase
To sliding, the support arm on sliding block is supported sample, while positioning plate carries out centering to sample and clamps limit, so that
Sample to be tested is corresponding with the middle position to further groove, and then improves the accuracy and authenticity of sample testing data.
2,3 four-point bending global function testing machines pass through setting positioning plate, fixed plate, pressing plate and threaded rod, rotation
The threaded rod being threadedly coupled with fixed plate drives the pressing plate of threaded rod rotation connection along the side walls of positioning plate, thus right
Sample carries out the clamping limit of vertical direction, improves the stability of sample testing.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
Improve the accuracy and authenticity of 3 four-point bending global function testing machine test datas.
Detailed description of the invention
Fig. 1 be the utility model proposes 3 four-point bending global function testing machines of one kind structural schematic diagram；
Fig. 2 be the utility model proposes 3 four-point bending global function testing machines of one kind further groove is connect with centering rod
Partial structural representation；
Fig. 3 is the enlarged drawing of part A in Fig. 1.
In figure: 1 Apparatus for Bending at low-temp main body, 2 pedestals, 3 pairs of further grooves, 4 sliding slots, 5 sliding blocks, 6 screw rods, 7 support arms, 8 positioning
Plate, 9 slide cartridges, 10 springs, 11 slide bars, 12 centering rods, 13 fixed plates, 14 pressing plates, 15 threaded rods, 16 turntables, 17 balls, 18
Hand.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of 3 four-point bending global function testing machines, including Apparatus for Bending at low-temp main body 1, Apparatus for Bending at low-temp
Pedestal 2 is fixedly connected on the bottom plate of main body 1, the center position of pedestal 2 is offered to further groove 3, and the upper surface of pedestal 2 is opened
If being slidably connected and the matched cunning of sliding slot 4 in two sliding slots 4 there are two about the sliding slot 4 symmetrical to 3 position of further groove
Block 5, common rotation is connected with screw rod 6 in two sliding slots 4, and is set on screw rod 6 there are two types of contrary screw thread, and screw rod 6 runs through
Two sliding blocks 5 and one end extend to 2 outside of pedestal, and screw rod 6 is threadedly coupled with two sliding blocks 5, and the upper surface of sliding block 5 is fixed
It is connected with support arm 7, and the upper surface of support arm 7 is fixedly connected with positioning plate 8, to symmetrically solid on the front-rear side walls of further groove 3
Surely it is connected with slide cartridge 9, the cylinder bottom inside slide cartridge 9 is fixedly connected with spring 10, and the other end of spring 10 is fixedly connected with and slide cartridge 9
Matched slide bar 11, and slide bar 11 is slidably connected with slide cartridge 9, slide bar 11 passes through the nozzle of slide cartridge 9 simultaneously far from one end of spring 10
Extend outwardly and be fixedly connected with centering rod 12, centering rod 12 is flexibly connected with to further groove 3, by sample to be tested be placed in two it is right
Between middle bar 12, centering rod 12 be squeezed will drive slide bar 11 towards slide cartridge 9 cylinder bottom direction sliding and compressed spring 10, from
And front and back centering is carried out to sample, rotate clockwise screw rod 6, there are two types of contrary screw threads on screw rod 6, drive and are threadedly coupled
Two sliding blocks 5 slid in opposition along sliding slot 4, the support arm 7 on sliding block 5 is supported sample, while positioning plate 8 is to sample
It carries out centering and clamps limit, so that sample to be tested is corresponding with the middle position to further groove 3, and then improve sample testing
The accuracy and authenticity of data.
Two positioning plates 8 are fixedly connected to fixed plate 13 on the opposite side wall on top, and the lower section of fixed plate 13 is set
There is pressing plate 14, and pressing plate 14 is slidably connected with positioning plate 8, the upper surface of pressing plate 14 is rotatably connected to threaded rod 15 by bearing,
The other end of threaded rod 15 is through fixed plate 13 and upwardly extends, and threaded rod 15 is threadedly coupled with fixed plate 13, rotates and solid
The threaded rod 15 that fixed board 13 is threadedly coupled drives the pressing plate 14 of the rotation connection of threaded rod 15 along the side walls of positioning plate 8, from
And the clamping for carrying out vertical direction to sample limits, and improves the stability of sample testing.
One end positioned at 2 outside screw rod 6 of pedestal is fixedly connected with turntable 16, facilitates the rotation of control screw rod 6.
Sliding block 5 offers ball grooves close to the side of 4 slot bottom of sliding slot, and rolls in ball grooves and be connected with matched ball
17, ball 17 passes through the notch of ball grooves far from one end of ball grooves slot bottom and extends outwardly, and rolls the slot for being connected to sliding slot 4
Bottom reduces the frictional force between sliding block 5 and sliding slot 4.
The lower surface of pressing plate 14 is connected with non-slip mat, improves the stability that pressing plate 14 clamps.
Threaded rod 15 is fixedly connected with handle 18 far from one end of pressing plate 14, facilitates the rotation of control threaded rod 15.
In the utility model, sample to be tested is placed between two centering rods 12, centering rod 12, which is squeezed, will drive cunning
Bar 11 is towards the sliding of the cylinder bottom direction of slide cartridge 9 and compressed spring 10, so that centering before and after carrying out to sample, rotates clockwise screw rod
6, there are two types of contrary screw threads on screw rod 6, drive two sliding blocks 5 of threaded connection to slide in opposition along sliding slot 4, sliding block 5
On support arm 7 sample is supported, while positioning plate 8 to sample carry out centering clamp limit so that sample to be tested
It is corresponding with the middle position to further groove 3, and then improve the accuracy and authenticity of sample testing data；Rotation and fixed plate
13 threaded rods 15 being threadedly coupled drive the pressing plate 14 of the rotation connection of threaded rod 15 along the side walls of positioning plate 8, thus right
Sample carries out the clamping limit of vertical direction, improves the stability of sample testing.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of 3 four-point bending global function testing machines, including Apparatus for Bending at low-temp main body (1), which is characterized in that the bending
It is fixedly connected on the bottom plate of testing machine main body (1) pedestal (2), the center position of the pedestal (2) is offered to further groove
(3), the upper surface of the pedestal (2) is opened up there are two about the sliding slot (4) symmetrical to further groove (3) position, described in two
It is slidably connected in sliding slot (4) and is connected with silk with sliding slot (4) matched sliding block (5), two interior common rotations of the sliding slot (4)
Bar (6), and set on screw rod (6) there are two types of contrary screw thread, the screw rod (6) is through two sliding blocks (5) and one end extends
On the outside of to pedestal (2), and screw rod (6) is threadedly coupled with two sliding blocks (5), and the upper surface of the sliding block (5) is fixedly connected with
Support arm (7), and the upper surface of support arm (7) is fixedly connected with positioning plate (8), on the front-rear side walls to further groove (3)
It is symmetrically fixedly connected with slide cartridge (9), the internal cylinder bottom of the slide cartridge (9) is fixedly connected with spring (10), the spring (10)
The other end is fixedly connected with and slide cartridge (9) matched slide bar (11), and slide bar (11) is slidably connected with slide cartridge (9), the slide bar
(11) one end far from spring (10) passes through the nozzle of slide cartridge (9) and extends outwardly and be fixedly connected with centering rod (12), described
Centering rod (12) is flexibly connected with to further groove (3).
2. a kind of 3 four-point bendings global function testing machine according to claim 1, which is characterized in that two positioning
Plate (8) is fixedly connected to fixed plate (13) on the opposite side wall on top, and the lower section of the fixed plate (13) is equipped with pressing plate
(14), and pressing plate (14) is slidably connected with positioning plate (8), and the upper surface of the pressing plate (14) is rotatably connected to screw thread by bearing
The other end of bar (15), the threaded rod (15) through fixed plate (13) and upwardly extends, and threaded rod (15) and fixed plate
(13) it is threadedly coupled.
3. a kind of 3 four-point bendings global function testing machine according to claim 1, which is characterized in that be located at the pedestal
(2) one end of outside screw rod (6) is fixedly connected with turntable (16).
4. a kind of 3 four-point bendings global function testing machine according to claim 1, which is characterized in that the sliding block (5)
Ball grooves are offered close to the side of sliding slot (4) slot bottom, and is rolled in ball grooves and is connected with matched ball (17), the ball
(17) one end far from ball grooves slot bottom passes through the notch of ball grooves and extends outwardly, and rolls the slot bottom for being connected to sliding slot (4).
5. a kind of 3 four-point bendings global function testing machine according to claim 2, which is characterized in that the pressing plate (14)
Lower surface be connected with non-slip mat.
6. a kind of 3 four-point bendings global function testing machine according to claim 2, which is characterized in that the threaded rod
(15) one end far from pressing plate (14) is fixedly connected with handle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821866205.8U CN209043728U (en) | 2018-11-13 | 2018-11-13 | A kind of 3 four-point bending global function testing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821866205.8U CN209043728U (en) | 2018-11-13 | 2018-11-13 | A kind of 3 four-point bending global function testing machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043728U true CN209043728U (en) | 2019-06-28 |
Family
ID=67041723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821866205.8U Expired - Fee Related CN209043728U (en) | 2018-11-13 | 2018-11-13 | A kind of 3 four-point bending global function testing machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043728U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658089A (en) * | 2019-10-30 | 2020-01-07 | 无锡市石油仪器设备有限公司 | Full-automatic crisp point appearance |
| CN110987680A (en) * | 2019-12-13 | 2020-04-10 | 华中科技大学 | Bending strain generating device and application thereof |
| CN110978615A (en) * | 2019-12-17 | 2020-04-10 | 刘晨阳 | Hot-pressing curing forming device for corrugated packaging carton |
| CN111442995A (en) * | 2020-05-07 | 2020-07-24 | 吉林省英川科技有限公司 | Pure crooked experimental apparatus of sheet material |
| CN112179777A (en) * | 2020-11-27 | 2021-01-05 | 南京仪汇仪器设备有限公司 | Degradable plastic products intensity detection device |
| CN112540009A (en) * | 2020-12-03 | 2021-03-23 | 安徽应流机电股份有限公司 | Bending degree testing device for processing flexible shielding material for nuclear radiation protection |
| CN112710543A (en) * | 2021-01-20 | 2021-04-27 | 同济大学 | Containment local member strength test device |
| CN113670711A (en) * | 2021-09-13 | 2021-11-19 | 重庆邮电大学 | Quick-release and quick-centering fabric self-locking experimental clamp |
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| CN115200986A (en) * | 2022-07-29 | 2022-10-18 | 华侨大学 | Three-point bending test fixture capable of automatically aligning |
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- 2018-11-13 CN CN201821866205.8U patent/CN209043728U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658089B (en) * | 2019-10-30 | 2022-04-05 | 无锡市石油仪器设备有限公司 | Full-automatic crisp point appearance |
| CN110658089A (en) * | 2019-10-30 | 2020-01-07 | 无锡市石油仪器设备有限公司 | Full-automatic crisp point appearance |
| CN110987680A (en) * | 2019-12-13 | 2020-04-10 | 华中科技大学 | Bending strain generating device and application thereof |
| CN110978615A (en) * | 2019-12-17 | 2020-04-10 | 刘晨阳 | Hot-pressing curing forming device for corrugated packaging carton |
| CN111442995A (en) * | 2020-05-07 | 2020-07-24 | 吉林省英川科技有限公司 | Pure crooked experimental apparatus of sheet material |
| CN112179777A (en) * | 2020-11-27 | 2021-01-05 | 南京仪汇仪器设备有限公司 | Degradable plastic products intensity detection device |
| CN112540009A (en) * | 2020-12-03 | 2021-03-23 | 安徽应流机电股份有限公司 | Bending degree testing device for processing flexible shielding material for nuclear radiation protection |
| CN112710543A (en) * | 2021-01-20 | 2021-04-27 | 同济大学 | Containment local member strength test device |
| CN112710543B (en) * | 2021-01-20 | 2022-06-14 | 同济大学 | Containment local member strength test device |
| CN113670711A (en) * | 2021-09-13 | 2021-11-19 | 重庆邮电大学 | Quick-release and quick-centering fabric self-locking experimental clamp |
| CN114839084A (en) * | 2022-07-04 | 2022-08-02 | 烟台华虹建筑科技有限公司 | Anti check out test set that buckles of building engineering material |
| CN114839084B (en) * | 2022-07-04 | 2022-09-02 | 烟台华虹建筑科技有限公司 | Anti check out test set that buckles of building engineering material |
| CN115200986A (en) * | 2022-07-29 | 2022-10-18 | 华侨大学 | Three-point bending test fixture capable of automatically aligning |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20211113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |