CN108548717A - Material tensile test fixture easy to use - Google Patents
Material tensile test fixture easy to use Download PDFInfo
- Publication number
- CN108548717A CN108548717A CN201810696084.5A CN201810696084A CN108548717A CN 108548717 A CN108548717 A CN 108548717A CN 201810696084 A CN201810696084 A CN 201810696084A CN 108548717 A CN108548717 A CN 108548717A
- Authority
- CN
- China
- Prior art keywords
- hanging rod
- putting groove
- fixed frame
- fixed block
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0452—Cushioning layer between test piece and grip
Abstract
The invention discloses material tensile test fixtures easy to use, the clamping piece of setting identical including two structures and symmetrical above and below, clamping piece includes fixed block, the putting groove of isosceles trapezoid is offered on the front of fixed block, the long side of isosceles trapezoid putting groove is located at the top of short side, the short side side fixed block front of putting groove offers the sample break being vertically arranged, the long side side fixed block front of putting groove, which offers, is vertically arranged hanging rod notch, it further include the isosceles trapezoid rubber fixed frame for being fastened in putting groove, the bottom opening of rubber fixed frame, it is vertically connected with hanging rod on the top plate of rubber fixed frame, the top side wall of hanging rod is equipped with the mounting screw thread being connect with cupping machine.The clamping device of the present invention, can fast implement the clamping of material, and avoid the abrasion between sample and clamps, improve clamping reliability and tightness in stretching detection experiment, improve the clamping efficiency in detection.
Description
Technical field
The present invention relates to a kind of clamping devices, and in particular to material tensile test fixture easy to use.
Background technology
The stretching detection experiment of material is to detect the tensile strength of material, yield strength, elongation after fracture, section shrinkage
The indexs such as rate.Material sampling carries out stretch detection experiment, be will sample material be processed into both ends have trapezoidal load segment it is rodlike,
By material to be detected by being detected with detection device assembly, assembly method generally comprises screw-type, clipping or suspension type.
In current material tensile testing device, failing with the abrasion and clamping of jaw clamping device, the reliability of clamping will reduce, and
It is time-consuming and laborious in clamping process, the efficiency of detection is reduced, and increase the wind brought in detection process because clamping is unreliable
Danger, in order to ensure that clamping is reliable, can only just increase the chucking power and length of dumbbell shaped material clamping end to be detected, this is detection
The processing of sample brings higher cost, the also higher of the requirement to chucking power.
Invention content
The technical problem to be solved by the present invention is in current material tensile testing device, with the mill of jaw clamping device
The reliability of damage and clamping failure, clamping will reduce, and time-consuming and laborious in clamping process, reduce the efficiency of detection, purpose exists
In providing material tensile test fixture easy to use, the clamping of material can be fast implemented, and avoid sample and clamping
Abrasion between tool improves clamping reliability and tightness in stretching detection experiment, improves the clamping efficiency in detection.
The present invention is achieved through the following technical solutions：
Material tensile test fixture easy to use, including two structures are identical and the clamping piece of setting symmetrical above and below, institute
It includes fixed block to state clamping piece, and the putting groove of isosceles trapezoid, the long side of isosceles trapezoid putting groove are offered on the front of fixed block
Positioned at the top of short side, the short side side fixed block front of putting groove offers the sample break being vertically arranged, the sample
The bottom surface of notch perforation fixed block is simultaneously communicated with putting groove, and the long side side fixed block front of putting groove, which offers, is vertically arranged extension
Rod notch, the top surface of hanging rod notch perforation fixed block are simultaneously communicated with putting groove, further include the isosceles for being fastened in putting groove
Trapezoidal rubber fixed frame, the geomery of rubber fixed frame and the geomery of putting groove match, the bottom surface of rubber fixed frame
It is open, is vertically connected with hanging rod on the top plate of rubber fixed frame, hanging rod and rubber fixed frame can be caught in putting groove and hanging rod notch
In, the top side wall of hanging rod is equipped with the mounting screw thread being connect with cupping machine.
The clamping device of the present invention, can fast implement the clamping of material, and avoid between sample and clamps
Abrasion improves clamping reliability and tightness in stretching detection experiment, improves the clamping efficiency in detection.It measures and monitor the growth of standing timber treating
When material is detected, material, which is processed into both ends, has the rodlike sample to be tested of trapezoidal load segment, the i.e. shape of load segment
The cavity size shape formed with rubber fixed frame inner wall matches；When clamping, by the both ends load segment of sample to be tested
It is respectively clamped into rubber fixed frame, due to the bottom opening of rubber fixed frame, can ensure that sample to be tested load segment is completely embedding
Enter in rubber fixed frame, i.e., the side wall of load segment is bonded completely with rubber fixed frame, then by load segment and rubber fixed frame
It is put among putting groove together as a whole, the stick section of wherein sample to be tested is caught in sample break, on rubber fixed frame
Hanging rod is then caught in hanging rod notch, in this way by the collective effect of fixed block and rubber fixed frame, by the both ends of sample to be tested into
The good clamping of row, is not in the situation of loosening；Wherein rubber fixed frame is obtained using rubber system, has certain elasticity simultaneously
Frictional force is big, not only increases the chucking power to sample to be tested, at the same avoid wait for it is direct between test sample and putting groove inner wall
Contact, avoids causing to wear to putting groove, can reduce consuming cost only to rubber fixed frame into line replacement in this way；Then lead to
The mounting screw thread for crossing hanging rod end is connect with cupping machine, you can tension test is carried out, it is convenient for assembly, and improve the effect of experiment
Rate.
It is equipped with multiple trigone card columns disposed in parallel, trigone on the inner wall of the both side plate of rubber fixed frame successively from top to bottom
Card column is made using rubber material, is increased the frictional force between rubber fixed frame and sample to be tested load segment, is avoided between the two
It produces relative sliding.
The both sides of the top surface hanging rod notch of fixed block are vertically connected with secondary hanging rod, also are provided with mounting on the top side wall of secondary hanging rod
It is identical that screw thread, the length of secondary hanging rod and hanging rod stretch out the length of hanging rod barbed portion, by hanging rod and two pair hanging rods simultaneously into
Row stretches stress, improves stability of the sample to be tested in drawing process.
It is vertically detachably connected with fastening spring on the isosceles side wall of putting groove, if the size of sample to be tested both ends load segment
It is smaller, the rubber fixed frame for replacing suitable size can be selected, then the rubber fixed frame of reduced size is put into putting groove
When, the fixation to rubber fixed frame is realized by fastening spring.
The short side inner wall of putting groove is equipped with spongy layer, one plays the role of further fastening, and two avoid putting groove
Contact between inner wall and sample to be tested, while certain cushioning effect can also be played.
Compared with prior art, the present invention having the following advantages and advantages：
1, present invention material tensile test fixture easy to use, can fast implement the clamping of material, and avoid
Abrasion between sample and clamps improves clamping reliability and tightness in stretching detection experiment, improves in detection
Clamping efficiency；
2, present invention material tensile test fixture easy to use, on the inner wall of the both side plate of rubber fixed frame from top to bottom
Successively be equipped with multiple trigone card columns disposed in parallel, trigone card column using rubber material be made, increase rubber fixed frame with it is to be measured
Frictional force between sample load segment avoids producing relative sliding between the two, and the both sides of the top surface hanging rod notch of fixed block are hung down
It is direct-connected to have secondary hanging rod, mounting screw thread also is provided on the top side wall of secondary hanging rod, length and the hanging rod of secondary hanging rod stretch out hanging rod notch
Partial length is identical, is carried out at the same time stretching stress by hanging rod and two secondary hanging rods, improves sample to be tested in drawing process
In stability；
3, present invention material tensile test fixture easy to use, on the isosceles side wall of putting groove it is detachable be vertically connected with it is solid
Tight spring can select the rubber fixed frame for replacing suitable size, then if the size of sample to be tested both ends load segment is smaller
When the rubber fixed frame of reduced size is put into putting groove, the fixation to rubber fixed frame is realized by fastening spring, is put
The short side inner wall of slot is equipped with spongy layer, and one plays the role of further fastening, two come avoid putting groove inner wall with it is to be tested
Contact between sample, while certain cushioning effect can also be played.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Label and corresponding parts title in attached drawing：
1- fixed blocks, 2- putting grooves, 3- sample breaks, 4- hanging rod notches, 5- rubber fixed frames, 6- hanging rods, 7- mount spiral shell
Line, 8- trigone card columns, 9- pair hanging rods, 10- samples to be tested.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1, the material tensile test fixture that the present invention is easy to use, including two structures are identical and symmetrical above and below
The clamping piece of setting, the clamping piece include fixed block 1, and the putting groove 2 of isosceles trapezoid is offered on the front of fixed block 1, etc.
The long side of the trapezoidal putting groove of waist 2 is located at the top of short side, and 1 front of short side side fixed block of putting groove 2 has offered to be set vertically
The sample break 3 set, the sample break 3 penetrate through the bottom surface of fixed block 1 and are communicated with putting groove 2, the long side side of putting groove 2
1 front of fixed block, which offers, is vertically arranged hanging rod notch 4, and hanging rod notch 4 penetrates through the top surface of fixed block 1 and communicated with putting groove 2,
Further include the isosceles trapezoid rubber fixed frame 5 for being fastened in putting groove 2, geomery and the putting groove 2 of rubber fixed frame 5
Geomery match, the bottom opening of rubber fixed frame 5 is vertically connected with hanging rod 6, hanging rod 6 on the top plate of rubber fixed frame 5
It can be caught in putting groove 2 and hanging rod notch 4 with rubber fixed frame 5, the top side wall of hanging rod 6 is equipped with to be connected with cupping machine
The mounting screw thread 7 connect.
The clamping device of the present invention, can fast implement the clamping of material, and avoid between sample and clamps
Abrasion improves clamping reliability and tightness in stretching detection experiment, improves the clamping efficiency in detection.It measures and monitor the growth of standing timber treating
Material is when be detected, and material is processed into the rodlike sample to be tested 10 of the trapezoidal load segment in both ends, i.e., the shape of load segment with
The cavity size shape that rubber fixed frame inner wall is formed matches；When clamping, by the both ends load segment of sample to be tested 10
It is respectively clamped into rubber fixed frame, due to the bottom opening of rubber fixed frame, can ensure that sample to be tested load segment is completely embedding
Enter in rubber fixed frame, i.e., the side wall of load segment is bonded completely with rubber fixed frame, then by load segment and rubber fixed frame
It is put among putting groove together as a whole, the stick section of wherein sample to be tested 10 is caught in sample break, on rubber fixed frame
Hanging rod be then caught in hanging rod notch, in this way by the collective effect of fixed block and rubber fixed frame, by the both ends of sample to be tested
Good clamping is carried out, is not in the situation of loosening；Wherein rubber fixed frame is obtained using rubber system, has certain elasticity same
When frictional force it is big, not only increase the chucking power to sample to be tested, at the same avoid wait for it is straight between test sample and putting groove inner wall
Contact, avoids causing to wear to putting groove, can reduce consuming cost only to rubber fixed frame into line replacement in this way；Then
It is connect with cupping machine by the mounting screw thread of hanging rod end, you can tension test is carried out, it is convenient for assembly, improve experiment
Efficiency.
Preferably, multiple trigone cards disposed in parallel are equipped on the inner wall of the both side plate of rubber fixed frame successively from top to bottom
Column 8, trigone card column are made using rubber material, are increased the frictional force between rubber fixed frame and sample to be tested load segment, are avoided
It produces relative sliding between the two.
Preferably, the both sides of the top surface hanging rod notch of fixed block are vertically connected with secondary hanging rod 9, on the top side wall of secondary hanging rod
Equipped with mounting screw thread, length and hanging rod the stretching length of hanging rod barbed portion of secondary hanging rod are identical, pass through hanging rod and two secondary extensions
Bar is carried out at the same time stretching stress, improves stability of the sample to be tested in drawing process.
Preferably, it is vertically detachably connected with fastening spring on the isosceles side wall of putting groove, if sample to be tested both ends are assembled
The size of section is smaller, can select the rubber fixed frame for replacing suitable size, then be put into the rubber fixed frame of reduced size
When in putting groove, the fixation to rubber fixed frame is realized by fastening spring.
Preferably, the short side inner wall of putting groove is equipped with spongy layer, one plays the role of further fastening, and two avoid
Contact between putting groove inner wall and sample to be tested, while certain cushioning effect can also be played.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. material tensile test fixture easy to use, which is characterized in that setting identical including two structures and symmetrical above and below
Clamping piece, the clamping piece include fixed block (1), and the putting groove (2) of isosceles trapezoid is offered on the front of fixed block (1), etc.
The long side of the trapezoidal putting groove of waist (2) is located at the top of short side, and short side side fixed block (1) front of putting groove (2) has offered
The sample break (3) being vertically arranged, the bottom surface of sample break (3) the perforation fixed block (1) simultaneously communicate with putting groove (2), set
Long side side fixed block (1) front for putting slot (2) offers and is vertically arranged hanging rod notch (4), and hanging rod notch (4) penetrates through fixed block
(1) top surface is simultaneously communicated with putting groove (2), further includes the isosceles trapezoid rubber fixed frame for being fastened in putting groove (2)
(5), the geomery of rubber fixed frame (5) and the geomery of putting groove (2) match, and the bottom surface of rubber fixed frame (5) is opened
Mouthful, it is vertically connected with hanging rod (6) on the top plate of rubber fixed frame (5), hanging rod (6) and rubber fixed frame (5) can be caught in putting groove
(2) and in hanging rod notch (4), the top side wall of hanging rod (6) is equipped with the mounting screw thread (7) being connect with cupping machine.
2. material tensile test fixture easy to use according to claim 1, which is characterized in that rubber fixed frame (5)
Both side plate inner wall on from top to bottom successively be equipped with multiple trigone card columns (8) disposed in parallel, trigone card column (8) use rubber
Material is made.
3. material tensile test fixture easy to use according to claim 1, which is characterized in that the top of fixed block (1)
The both sides of face hanging rod notch (4) are vertically connected with secondary hanging rod (9), and mounting screw thread (7) also is provided on the top side wall of secondary hanging rod (9),
The length of secondary hanging rod (9) is identical as hanging rod (6) the stretching length of hanging rod notch (4) part.
4. material tensile test fixture easy to use according to claim 1, which is characterized in that putting groove (2) etc.
Detachably it is vertically connected with fastening spring on waist side wall.
5. material tensile test fixture easy to use according to claim 1, which is characterized in that putting groove (2) it is short
Side inner wall is equipped with spongy layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696084.5A CN108548717A (en) | 2018-06-29 | 2018-06-29 | Material tensile test fixture easy to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696084.5A CN108548717A (en) | 2018-06-29 | 2018-06-29 | Material tensile test fixture easy to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548717A true CN108548717A (en) | 2018-09-18 |
Family
ID=63493227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810696084.5A Withdrawn CN108548717A (en) | 2018-06-29 | 2018-06-29 | Material tensile test fixture easy to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548717A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374404A (en) * | 2018-11-02 | 2019-02-22 | 河海大学 | A kind of sample preparation device, method and the test method of geotechnique's tension test |
| CN110253710A (en) * | 2019-07-18 | 2019-09-20 | 河北工业大学 | A kind of extruded type slurry 3D printer special fixture |
-
2018
- 2018-06-29 CN CN201810696084.5A patent/CN108548717A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374404A (en) * | 2018-11-02 | 2019-02-22 | 河海大学 | A kind of sample preparation device, method and the test method of geotechnique's tension test |
| CN109374404B (en) * | 2018-11-02 | 2021-10-12 | 河海大学 | Sample preparation device and method for geotechnical tensile test and test method |
| CN110253710A (en) * | 2019-07-18 | 2019-09-20 | 河北工业大学 | A kind of extruded type slurry 3D printer special fixture |
| CN110253710B (en) * | 2019-07-18 | 2024-02-02 | 河北工业大学 | Special fixture for extrusion type slurry 3D printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180918 |