CN106644691A - Support leveling device for testing of splitting tensile strength and clamp thereof - Google Patents
Support leveling device for testing of splitting tensile strength and clamp thereof Download PDFInfo
- Publication number
- CN106644691A CN106644691A CN201611130396.7A CN201611130396A CN106644691A CN 106644691 A CN106644691 A CN 106644691A CN 201611130396 A CN201611130396 A CN 201611130396A CN 106644691 A CN106644691 A CN 106644691A
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- Prior art keywords
- elastic component
- board
- horizontal
- threaded rod
- nut
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Classifications
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- 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
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
- G01N2203/0405—Features allowing alignment between specimen and chucks
Abstract
The invention discloses a support leveling device for testing splitting tensile strength. The support leveling device comprises an upper horizontal plate, a lower horizontal plate, an elastic part, and a telescopic part, wherein the upper horizontal plate is positioned above the lower horizontal plate, and the elastic part is arranged between the upper horizontal plate and the lower horizontal plate; the telescopic part is connected with the elastic part to drive the elastic part to move up and down. The invention also discloses a clamp for the testing of splitting tensile strength. The support leveling device has the advantages that the centering error of testing is reduced, the labor intensity is decreased, and the testing accuracy and efficiency are improved.
Description
Technical field
The present invention relates to tensile splitting strength technical field of measurement and test, more particularly to tensile splitting strength test support leveling
Device and its fixture.
Background technology
Traditional concrete cube test specimen tensile splitting strength fixture for testing generally includes to be symmetricly set on test specimen
Cushion block, the filler strip of lower both sides.Compressing pressing plate by forcing press carries out tensile splitting strength test.
Because the bottom surface of upper cushion block, the top surface of lower cushion block are arcwall face, test specimen is easy in placement process or test process
In inclination, measuring accuracy is affected.Traditional way is to arrange resilient support block in the both sides of lower cushion block, and to test specimen support is provided,
The Area of bearing of test specimen is improved, prevents it from inclining.But, because traditional resilient support block is fixed structure, it is subject to for a long time
Slight highly inconsistent, the top that self-righting can not be strained, cause the resilient support block of both sides can be produced after the effect of power
Portion in same level, does not reach the effect of horizontal support.
In addition, realizing the center of cushion block, backing plate, test block on an axis by way of drawing center line on test specimen
Way need to consume substantial amounts of time.
The content of the invention
The present invention be directed to the deficiencies in the prior art, there is provided reduce test the error of centralization, save manpower, improve test accuracy and
The tensile splitting strength test support leveling device of efficiency and its fixture.
The present invention realizes solving above-mentioned technical problem by following technological means：Tensile splitting strength test is adjusted with support
Leveling device, including upper level board, lower horizontal board, elastic component, extensible member；The upper level board is located at the upper of the lower horizontal board
Side, is provided with the elastic component on described between level board, lower horizontal board；The extensible member is connected with the elastic component, uses
To drive the elastic component to move up and down.
Preferably：The extensible member includes thread protrusion, the first nut, the axle being arranged on the lower horizontal board top surface
Hold；Coordinate with the screw top of the thread protrusion positioned at the part internal thread of its underpart in first nut；The elasticity
The bottom of part is connected with the top of first nut by the bearing.
Preferably：The extensible member includes threaded rod, the second nut, slide block；The slide block is set in institute with being slidably matched
State the outside of threaded rod；The bottom of the threaded rod is connected with the top surface of the lower horizontal board, and the top of the threaded rod is upwards
Extend；Second nut overcoat is connected on the threaded rod and at the top of it with the bottom of the slide block, the elastic component
Bottom and the top contact of the slide block, extend the top of the threaded rod and the upper level board at the top of the elastic component
Bottom connection or contact.
Preferably：The support leveling device also includes horizontal checkout chi；Its scale direction is flexible with the elastic component
Direction is parallel.
Preferably：The horizontal checkout chi includes pedestal, horizontal checkout chi body, mark rod；The horizontal checkout chi sheet
Body is arranged on the pedestal, and the mark rod is slidably matched with the horizontal checkout chi body.
Preferably：The horizontal checkout chi body is cylindrical, and the mark rod is horizontal, one end of the mark rod
Groove is offered, rubber sleeve is arranged in the groove, the rubber sleeve is set on the horizontal checkout chi body, is identified
The other end of bar is in arrow shaped；It is provided with the mark rod from one end of the horizontal checkout chi body and extends to the other end
Center line.
Tensile splitting strength fixture for testing, including upper cushion block, lower cushion block；The upper cushion block is located at the upper of the lower cushion block
Side, is provided with filler strip on described below cushion block, and the top of the lower cushion block is provided with lower filler strip；Specimen holder
On described between filler strip, lower filler strip；It is characterized in that：Also include two support leveling devices, described two support leveling dresses
Put respectively positioned at the both sides of the lower cushion block, to support the test specimen；The support leveling device includes upper level board, lower water
Flat board, elastic component, extensible member；The upper level board is located at the top of the lower horizontal board, level board, lower horizontal board on described
Between be provided with the elastic component；The extensible member is connected with the elastic component, to drive the elastic component to move up and down.
Preferably：The bottom surface of cushion block, side, the top surface of the lower cushion block, side are respectively provided with scale strip on described.
Preferably：The extensible member includes thread protrusion, the first nut, the axle being arranged on the lower horizontal board top surface
Hold；Coordinate with the screw top of the thread protrusion positioned at the part internal thread of its underpart in first nut；The elasticity
The bottom of part is connected with the top of first nut by the bearing；
Or the extensible member includes threaded rod, the second nut, slide block；The slide block is set in the threaded rod with being slidably matched
Outside；The bottom of the threaded rod is connected with the top surface of the lower horizontal board, upwardly extends at the top of the threaded rod；It is described
Second nut overcoat is connected on the threaded rod and at the top of it with the bottom of the slide block, the bottom of the elastic component with it is described
The top contact of slide block, the top that the threaded rod is extended at the top of the elastic component is connected with the bottom of the upper level board
Or contact.
Preferably：The support leveling device also includes horizontal checkout chi；The horizontal checkout chi is symmetricly set on described
The both sides of lower horizontal board, its scale direction is parallel with the telescopic direction of the elastic component；
The horizontal checkout chi body is cylindrical, and the horizontal checkout chi includes pedestal, horizontal checkout chi body, mark rod；
The horizontal checkout chi body is arranged on the pedestal；The mark rod is horizontal, and one end of the mark rod offers
Groove, is arranged rubber sleeve in the groove, the rubber sleeve is set on the horizontal checkout chi body, institute's mark rod
The other end in locality from arrow shaped to the upper level board extend；It is provided with the mark rod from the level and surveys
One end of examination chi body extends to the center line of the other end.
It is an advantage of the current invention that：（1）The present invention drives elastic component to move up and down by the up and down motion of extensible member, elasticity
Part motion drives upper level board motion, the regulation of level board height in realization to reach the adjustable for height effect of level board.（2）
When the highly inconsistent and less difference of each support leveling device plate above the average, it is not easy to gone out with eye-observation, can be with
Directly read, judge by the scale in horizontal checkout chi.（3）By the top for observing the above bottom surface of cushion block, side, lower cushion block
Face, side are respectively provided with scale strip, by test specimen, backing plate, cushion block center line on an axis, it is ensured that accuracy of alignment.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Fig. 3 is the structural representation of tensile splitting strength fixture for testing of the present invention.
Specific embodiment
To further describe the present invention, it is described further with reference to embodiment.
Embodiment 1
As shown in figure 1, the present embodiment discloses tensile splitting strength test support leveling device, including upper level board 11, lower water
Flat board 12, elastic component 13, extensible member.Upper level board 11 is located at the top of lower horizontal board 12, in upper level board 11, lower horizontal board 12
Between be provided with elastic component 13.Extensible member is connected with elastic component 13, to drive elastic component 13 to move up and down.
Elastic component 13 is preferably spring.
Extensible member includes thread protrusion 141, the first nut 142, the bearing 143 being arranged on the top surface of lower horizontal board 12.The
Coordinate with the screw top of thread protrusion 141 positioned at the part internal thread of its underpart in one nut 142.The bottom of elastic component 13 with
The top of the first nut 142 is connected by bearing 143.
The present embodiment realizes the regulation of the height of the first nut 142, so as to drive elastic component by the first nut of turn 142
13 move up and down, and the motion of elastic component 13 drives upper level board 11 to move, and the regulation of the height of level board 11, reaches level in realization
The adjustable for height effect of plate 11.
Embodiment 2
As shown in Fig. 2 the present embodiment discloses tensile splitting strength test support leveling device, including upper level board 11, lower water
Flat board 12, elastic component 13, extensible member.Upper level board 11 is located at the top of lower horizontal board 12, in upper level board 11, lower horizontal board 12
Between be provided with elastic component 13.Extensible member is connected with elastic component 13, to drive elastic component 13 to move up and down.
Extensible member includes threaded rod 144, the second nut 145, slide block 146.Slide block 146 is set in threaded rod with being slidably matched
144 outside.The bottom of threaded rod 144 is connected with the top surface of lower horizontal board 12, and the top of threaded rod 144 upwardly extends.Second
It is enclosed within threaded rod 144 outside nut 145 and its top is connected with the bottom of slide block 146, bottom and the slide block 146 of elastic component 13
Extend the top of threaded rod 144 and be connected or contact with the bottom of upper level board 11 in top contact, the top of elastic component 13.
The present embodiment realizes the regulation of the height of the second nut 145, so as to band movable slider 146 by the second nut of turn 145
Move up and down, the motion of slide block 146 drives elastic component 13 to move up and down, the motion of elastic component 13 drives upper level board 11 to move, and realizes
The regulation of the height of upper level board 11, reaches the adjustable for height effect of level board 11.
Embodiment 3
As shown in figure 1, the present embodiment discloses tensile splitting strength test support leveling device, including upper level board 11, lower water
Flat board 12, elastic component 13, extensible member.Upper level board 11 is located at the top of lower horizontal board 12, in upper level board 11, lower horizontal board 12
Between be provided with elastic component 13.Extensible member is connected with elastic component 13, to drive elastic component 13 to move up and down.
Support leveling device also includes horizontal checkout chi.Horizontal checkout chi is symmetricly set on the both sides of lower horizontal board 12, its
Scale direction is parallel with the telescopic direction of elastic component 13.
When the highly inconsistent and less difference of each support leveling device plate 11 above the average, it is not easy to which employment is observed
Examine out, can directly read, judge by the scale in horizontal checkout chi.
In some embodiments：Horizontal checkout chi includes pedestal 151, horizontal checkout chi body 152, mark rod 153.Level
Test chi body 152 is arranged on pedestal 151, and mark rod 153 is slidably matched with horizontal checkout chi body 152.Mark rod 153
Setting further facilitates the reading of the height of level board 11, monitoring.
In some embodiments：Horizontal checkout chi body 152 is cylindrical, and mark rod 153 is horizontal, mark rod 153
One end offer groove, rubber sleeve is arranged in groove（It is not drawn into figure）, rubber sleeve is set in horizontal checkout chi body 152
On, the other end of institute's mark rod 153 is in arrow shaped.It is provided with mark rod 153 from one end of horizontal checkout chi body 152 and prolongs
Extend the center line 154 of the other end.
Rubber sleeve is closely affixed with horizontal checkout chi body 152, needs firmly mobile logo bar 153 to realize mark rod
153 horizontal checkout chi body 152 slip, prevent mark rod 153 to be subjected to displacement in a free state.Sagittate mark rod
153 are more convenient for observes.
Embodiment 4
As shown in Figure 2,3, the present embodiment discloses tensile splitting strength fixture for testing, including upper cushion block 21, lower cushion block 31.Upper pad
Block 21 is located at the top of lower cushion block 31, and the lower section of upper cushion block 21 is provided with filler strip 22, sets in the top of lower cushion block 31
It is equipped with lower filler strip 32.Specimen holder is between upper filler strip 22, lower filler strip 32.Also include two support leveling devices 1, two supports
Levelling device 1 is located at respectively the both sides of lower cushion block 31, to support test specimen.Support leveling device includes upper level board 11, lower water
Flat board 12, elastic component 13, extensible member.Upper level board 11 is located at the top of lower horizontal board 12, in upper level board 11, lower horizontal board 12
Between be provided with elastic component 13.Extensible member is connected with elastic component 13, to drive elastic component 13 to move up and down.
Scale strip 41 is respectively provided with the bottom surface of upper cushion block 21, side, the top surface of lower cushion block 31, side.
Extensible member includes thread protrusion 141, the first nut 142, the bearing 143 being arranged on the top surface of lower horizontal board 12.The
Coordinate with the screw top of thread protrusion 141 positioned at the part internal thread of its underpart in one nut 142.The bottom of elastic component 13 with
The top of the first nut 142 is connected by bearing 143.
Or extensible member includes threaded rod 144, the second nut 145, slide block 146.Slide block 146 is set in spiral shell with being slidably matched
The outside of rasp bar 144.The bottom of threaded rod 144 is connected with the top surface of lower horizontal board 12, and the top of threaded rod 144 upwardly extends.
It is enclosed within threaded rod 144 outside second nut 145 and its top is connected with the bottom of slide block 146, the bottom of elastic component 13 and slide block
Extend the top of threaded rod 144 and be connected or connect with the bottom of upper level board 11 in 146 top contact, the top of elastic component 13
Touch.
Support leveling device also includes horizontal checkout chi.Horizontal checkout chi is symmetricly set on the both sides of lower horizontal board 12, its
Scale direction is parallel with the telescopic direction of elastic component 13.
Horizontal checkout chi body 152 is cylindrical, and horizontal checkout chi includes pedestal 151, horizontal checkout chi body 152, mark
Know bar 153.Horizontal checkout chi body 152 is arranged on pedestal 151.Mark rod 153 is horizontal, and one end of mark rod 153 is opened
Be provided with groove, rubber sleeve be arranged in groove, rubber sleeve is set on horizontal checkout chi body 152, institute's mark rod 153 it is another
End in arrow shaped upwards level board 11 locality extend.It is provided with mark rod 153 from horizontal checkout chi body 152
One end extends to the center line 154 of the other end.Observation through hole 155 is additionally provided with mark rod 153, staff can be through sight
Examine the scale on the eye-level of through hole 155 test chi body 152.By the bottom surface of the upper cushion block 21 of observation, side, lower cushion block 31
Top surface, side are respectively provided with scale strip 41, by test specimen, backing plate, cushion block center line 154 on an axis, it is ensured that accuracy of alignment, profit
Test specimen is supported with horizontal checkout chi, the tip of its arrow is made with by moving the mark rod 153 of the both sides of lower horizontal board 12 respectively
The top surface of level board 12 is in same level, and whether the scale on read level test chi body 152 judges lower horizontal board 12
Level.If level, tested in a conventional manner；If level, by adjusting extensible member, does not drive the end of lower horizontal board 12
Move up and down, till lower horizontal board 12 is horizontality, then tested.
The preferred embodiment of the invention is these are only, it is all in the present invention not to limit the invention
Any modification, equivalent and improvement made within the spirit and principle of creation etc., should be included in the guarantor of the invention
Within the scope of shield.
Claims (10)
1. tensile splitting strength test support leveling device, it is characterised in that：Including upper level board, lower horizontal board, elastic component,
Extensible member；The upper level board is located at the top of the lower horizontal board, arranges between level board, lower horizontal board on described
State elastic component；The extensible member is connected with the elastic component, to drive the elastic component to move up and down.
2. tensile splitting strength test support leveling device according to claim 1, it is characterised in that：The extensible member
Including the thread protrusion, the first nut, the bearing that are arranged on the lower horizontal board top surface；Its underpart is located in first nut
The screw top of part internal thread and the thread protrusion coordinate；The top of the bottom of the elastic component and first nut
Connected by the bearing.
3. tensile splitting strength test support leveling device according to claim 1, it is characterised in that：The extensible member
Including threaded rod, the second nut, slide block；The slide block is set in the outside of the threaded rod with being slidably matched；The threaded rod
Bottom be connected with the top surface of the lower horizontal board, upwardly extend at the top of the threaded rod；Second nut overcoat is in institute
State on threaded rod and its top is connected with the bottom of the slide block, the top contact of the bottom of the elastic component and the slide block,
The top for extending the threaded rod at the top of the elastic component is connected or contacts with the bottom of the upper level board.
4. tensile splitting strength test support leveling device according to claim 1, it is characterised in that：Described support is adjusted
Leveling device also includes horizontal checkout chi；Its scale direction is parallel with the telescopic direction of the elastic component.
5. tensile splitting strength test support leveling device according to claim 4, it is characterised in that：The level is surveyed
Examination chi includes pedestal, horizontal checkout chi body, mark rod；The horizontal checkout chi body is arranged on the pedestal, the mark
Know bar to be slidably matched with the horizontal checkout chi body.
6. tensile splitting strength test support leveling device according to claim 5, it is characterised in that：The level is surveyed
Examination chi body is cylindrical, and the mark rod is horizontal, and one end of the mark rod offers groove, is arranged in the groove
Rubber sleeve, the rubber sleeve is set on the horizontal checkout chi body, and the other end of institute's mark rod is in arrow shaped；Described
It is provided with mark rod from one end of the horizontal checkout chi body and extends to the center line of the other end.
7. tensile splitting strength fixture for testing, including upper cushion block, lower cushion block；The upper cushion block is located at the upper of the lower cushion block
Side, is provided with filler strip on described below cushion block, and the top of the lower cushion block is provided with lower filler strip；Specimen holder
On described between filler strip, lower filler strip；It is characterized in that：Also include two support leveling devices, described two support leveling dresses
Put respectively positioned at the both sides of the lower cushion block, to support the test specimen；The support leveling device includes upper level board, lower water
Flat board, elastic component, extensible member；The upper level board is located at the top of the lower horizontal board, level board, lower horizontal board on described
Between be provided with the elastic component；The extensible member is connected with the elastic component, to drive the elastic component to move up and down.
8. tensile splitting strength fixture for testing according to claim 7, it is characterised in that：The bottom of cushion block on described
Face, side, the top surface of the lower cushion block, side are respectively provided with scale strip.
9. tensile splitting strength fixture for testing according to claim 7, it is characterised in that：The extensible member includes arranging
Thread protrusion, the first nut on the lower horizontal board top surface, bearing；In first nut in the part of its underpart
Screw thread coordinates with the screw top of the thread protrusion；The bottom of the elastic component is with the top of first nut by described
Bearing connects；
Or the extensible member includes threaded rod, the second nut, slide block；The slide block is set in the threaded rod with being slidably matched
Outside；The bottom of the threaded rod is connected with the top surface of the lower horizontal board, upwardly extends at the top of the threaded rod；It is described
Second nut overcoat is connected on the threaded rod and at the top of it with the bottom of the slide block, the bottom of the elastic component with it is described
The top contact of slide block, the top that the threaded rod is extended at the top of the elastic component is connected with the bottom of the upper level board
Or contact.
10. tensile splitting strength fixture for testing according to claim 7, it is characterised in that：The support leveling device
Also include horizontal checkout chi；The horizontal checkout chi is symmetricly set on the both sides of the lower horizontal board, its scale direction with it is described
The telescopic direction of elastic component is parallel；
The horizontal checkout chi body is cylindrical, and the horizontal checkout chi includes pedestal, horizontal checkout chi body, mark rod；
The horizontal checkout chi body is arranged on the pedestal；The mark rod is horizontal, and one end of the mark rod offers
Groove, is arranged rubber sleeve in the groove, the rubber sleeve is set on the horizontal checkout chi body, institute's mark rod
The other end in locality from arrow shaped to the upper level board extend；It is provided with the mark rod from the level and surveys
One end of examination chi body extends to the center line of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130396.7A CN106644691A (en) | 2016-12-09 | 2016-12-09 | Support leveling device for testing of splitting tensile strength and clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130396.7A CN106644691A (en) | 2016-12-09 | 2016-12-09 | Support leveling device for testing of splitting tensile strength and clamp thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106644691A true CN106644691A (en) | 2017-05-10 |
Family
ID=58825793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611130396.7A Pending CN106644691A (en) | 2016-12-09 | 2016-12-09 | Support leveling device for testing of splitting tensile strength and clamp thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709800A (en) * | 2018-08-31 | 2018-10-26 | 中国矿业大学 | A kind of centralising device for concrete sample spilt test |
| CN113083948A (en) * | 2021-04-29 | 2021-07-09 | 济南大学 | Workpiece surface leveling device and method |
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| CN113083948A (en) * | 2021-04-29 | 2021-07-09 | 济南大学 | Workpiece surface leveling device and method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |