CN208125531U - A kind of concrete shear test device based on pressure testing machine - Google Patents
A kind of concrete shear test device based on pressure testing machine Download PDFInfo
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- CN208125531U CN208125531U CN201820692190.1U CN201820692190U CN208125531U CN 208125531 U CN208125531 U CN 208125531U CN 201820692190 U CN201820692190 U CN 201820692190U CN 208125531 U CN208125531 U CN 208125531U
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- shear
- baffle
- jack
- concrete
- knife
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Abstract
The utility model relates to a kind of concrete shear test device based on pressure testing machine, including coaster, rigid reaction frame, jack, shear knife, shear box, roller bearing row, displacement measurement frame, clump weight, the rigidity reaction frame includes bottom plate, the first baffle being fixed on the bottom plate, second baffle, the setting of the bottom plate sliding is on the coaster, the very heavy top bottom is connected to the inside of the first baffle, the shear knife includes cutter and bottom knife, the cutter is connected to the top of the jack, the bottom knife is connected to the inside of the second baffle, the shear box is arranged between the cutter and the bottom knife, roller bearing row bottom end is inserted into the shear box, the top of the cutter is arranged in institute's displacement measurement frame, one end of the bottom plate is arranged in the clump weight；The processing is simple for the utility model, easy to operate, and does not influence the exclusive use of pressure testing machine and jack or anchor rod drawing instrument.
Description
Technical field
The utility model belongs to concrete NDT technical field, and in particular to a kind of concrete based on pressure testing machine is cut
Cut experimental rig.
Background technique
Shearing strength is the more important performance parameter of concrete, is directly related to concrete component or even engineering construction
Total quality safety.For concrete component in the needs of different engineering constructions, concrete needs to meet corresponding anti-shearing strong
Degree, therefore, the detection to anti-shear concrete intensity is then a very important job.Existing concrete shearing strength detection
Instrument is concrete direct shear apparatus, but its weight weight, volume are big, act on single.
Such as Chinese Patent Application No. 201320506591.0 discloses a kind of boxshear apparatus for detecting anti-shear concrete intensity,
Concrete sample is cut for staight scissors, to obtain coagulation soil classifiction, concrete sample plugs section and cut section including two,
Boxshear apparatus includes frame body, two fixing seats, dynamical element and sensor, and two fixing seats are connected on frame body, and are oppositely arranged, and two
There is interval between person, fitting is equipped between two fixing seats, fitting has the bearing surface cooperated with the outer surface of cut section,
Its two sides extends towards the inner side edge of fixing seat respectively.The bearing surface of fitting and the outer surface of cut section cooperate, and its two sides is prolonged
The inner side edge of two fixing seats is extended to, for fitting during abutting with concrete sample, cut section is respectively directly from plugging section
On scaled off by staight scissors, stress is simpler, obtained shear strength can reflect the effect of concrete shearing completely, in turn
The compression strength of obtained concrete is also more accurate, but structure is complicated for the boxshear apparatus.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of concrete based on pressure testing machine to cut
Cut experimental rig.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in：
The concrete shear test device, including coaster, rigid reaction frame, jack, shear knife, shear box, roller bearing
Row, displacement measurement frame, clump weight, the height of the coaster can up and down adjustment, the rigidity reaction frame includes bottom plate, first gear
Plate, second baffle, the first baffle and second baffle interval are fixed on the bottom plate, and the setting of the bottom plate sliding exists
On the coaster, the jack is horizontally disposed, and bottom end is connected to the inside of the first baffle, and the shear knife includes
Cutter and bottom knife, the cutter are connected to the top of the jack, and the bottom knife is connected to the second baffle
Inside, the shear box is arranged on the bottom plate, and is arranged between the cutter and the bottom knife, described to cut
It cuts and is placed with concrete test block in box, roller bearing row bottom end is inserted into the shear box, and is connected to the concrete
In test block, roller bearing row top is provided with roller bearing, abuts for the top board with pressure testing machine, institute's displacement measurement is set up
It sets in the top of the cutter, and is fixed on the shear box, the clump weight setting is in the bottom plate far from described
One end of jack.
Further, the coaster includes supporting leg, reinforcing rib, screw rod, top plate, and the supporting leg bottom end is provided with pulley, and
And top is provided with screw thread, the screw rod is screwed at the top of the supporting leg, and the top plate is fixed on the top of the screw rod, described
The upper surface of top plate is equidistantly provided with several rollers.
Further, reinforcing rib is provided between the supporting leg.
Further, the jack is alternatively at anchor rod drawing instrument.
Concrete shear test device described in the utility model has the beneficial effect that：
1, the processing is simple, easy to operate for concrete shear test device described in the utility model, is suitable for various types of
Pressure testing machine.
2, concrete shear test device described in the utility model does not influence pressure examination after carrying out concrete shear test
Test the exclusive use of machine and jack or anchor rod drawing instrument.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of concrete shear test device described in the utility model；
Fig. 2 is the top view of coaster described in the utility model.
As shown in the figure：
1- coaster, 11- supporting leg, 12- reinforcing rib, 13- screw rod, 14- top plate, 15- pulley, 16- roller；2- rigidity counter-force
Frame, 21- bottom plate, 22- first baffle, 23- second baffle；3- jack；4- shear knife, 41- cutter, 42- bottom knife；5- is cut
Cut box；6- roller bearing row；7- displacement measurement frame；8- clump weight.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, to the skill in stand apparatus embodiment described in the utility model
Art scheme is described in further detail.
As shown in Figure 1, the concrete shear test device, including coaster 1, rigid reaction frame 2, jack 3, shear knife
4, shear box 5, roller bearing arrange 6, displacement measurement frame 7, clump weight 8, the height of the coaster 1 can up and down adjustment, the rigidity is anti-
2 frame of power includes bottom plate 21, first baffle 22, second baffle 23, and what the first baffle 22 and second baffle 23 were spaced is fixed on
On the bottom plate 21, the setting that the bottom plate 21 slides is on the coaster 1, and the jack 3 is horizontally disposed, and bottom end is supported
It connects in the inside of the first baffle 22, the shear knife 4 includes cutter 41 and bottom knife 42, and the cutter 41 is connected to
The top of the jack 3, the bottom knife 42 are connected to the inside of the second baffle 23, and the shear box 5 is arranged in institute
It states on bottom plate 21, and is arranged between the cutter 41 and the bottom knife 42, be placed with concrete in the shear box 5
Test block (not shown), the roller bearing is arranged 6 bottom ends and is inserted into the shear box 5, and is connected on the concrete test block,
The roller bearing arranges 6 tops and is provided with roller bearing (not shown), for being abutted with the top board of pressure testing machine (not shown), institute
The top of the cutter 41 is arranged in displacement measurement frame 7, and is fixed on the shear box 5, and the clump weight 8 is arranged
In the one end of the bottom plate 21 far from the jack 3.
As shown in Fig. 2, the coaster 1 includes supporting leg 11, reinforcing rib 12, screw rod 13, top plate 14,11 bottom end of supporting leg is set
It is equipped with pulley 15, and top is provided with screw thread, the screw rod 13 is screwed onto 11 top of supporting leg, and the top plate 14 is fixed on
The top of the screw rod 13, the upper surface of the top plate 14 are equidistantly provided with several rollers 16, set between the supporting leg 11
It is equipped with reinforcing rib 12.
Further, the jack 3 is alternatively at anchor rod drawing instrument.
The working principle of concrete shear test device described in the utility model is as follows：
First the rigid reaction frame 2 is placed on the coaster 1, the coaster 1 is pushed into beside pressure testing machine, is adjusted
Whole 1 height of the coaster is identical as the pressure testing machine lower platen, then successively places shearing on the rigid reaction frame 2
Box 5, concrete test block, shear knife 4, jack 3, roller bearing row 6, then the rigid reaction frame 2 is at the uniform velocity pushed into the pressure and is tried
It tests in machine lower platen, and the concrete test block is made to be in state of axial compression, adjust 3 process of jack, described in promotion
Shear knife 4, shear box 5 and concrete test block are in close contact, and are hung the clump weight 8, are made the concrete shear test device
Center of gravity be overlapped with the axle center of the concrete test block, then institute's displacement measurement device 7 is installed, requires, make according to testing inspection
The pressure testing machine gives constant payload values, and 3 force value of jack is reset, and institute's displacement sensors 7 are reset, then are used
The jack 3 evenly applies shearing force, synchronous recording displacement, until the concrete test block is broken, in whole process
Maximum shear stress be shearing resistance under the normal stress, after the completion of shearing test, remove institute's displacement measurement device 7, tear open
The pressure testing machine is pulled out except the clump weight 8, and by the rigid reaction frame 2, is transported to storage with the coaster 1
Point.
The application is not limited to the above embodiment, without departing substantially from the utility model in essence content, this field
Any deformation, improvement, the replacement that technical staff is contemplated that each fall within the protection scope of the application.
Claims (4)
1. a kind of concrete shear test device based on pressure testing machine, which is characterized in that including coaster, rigid reaction frame,
Jack, shear knife, shear box, roller bearing row, displacement measurement frame, clump weight, the height of the coaster can up and down adjustment, it is described
Rigid reaction frame includes bottom plate, first baffle, second baffle, and the first baffle and second baffle interval are fixed on the bottom
On plate, the setting of the bottom plate sliding is on the coaster, and the jack is horizontally disposed, and bottom end is connected to described first
The inside of baffle, the shear knife include cutter and bottom knife, and the cutter is connected to the top of the jack, described
Bottom knife is connected to the inside of the second baffle, and the shear box is arranged on the bottom plate, and is arranged in the upper slitter
Between piece and the bottom knife, concrete test block is placed in the shear box, roller bearing row bottom end is inserted into the shearing
In box, and be connected on the concrete test block, roller bearing row top is provided with roller bearing, for pressure testing machine
Pressing plate abuts, and the top of the cutter is arranged in institute's displacement measurement frame, and is fixed on the shear box, the counterweight
The one end of the bottom plate far from the jack is arranged in block.
2. concrete shear test device according to claim 1, which is characterized in that the coaster includes supporting leg, reinforces
Muscle, screw rod, top plate, the supporting leg bottom end is provided with pulley, and top is provided with screw thread, and the screw rod is screwed onto the supporting leg
Top, the top plate are fixed on the top of the screw rod, and the upper surface of the top plate is equidistantly provided with several rollers.
3. concrete shear test device according to claim 2, which is characterized in that be provided with reinforcement between the supporting leg
Muscle.
4. concrete shear test device according to claim 1, which is characterized in that the jack is alternatively at anchor pole
Drawing instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692190.1U CN208125531U (en) | 2018-05-10 | 2018-05-10 | A kind of concrete shear test device based on pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692190.1U CN208125531U (en) | 2018-05-10 | 2018-05-10 | A kind of concrete shear test device based on pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125531U true CN208125531U (en) | 2018-11-20 |
Family
ID=64184852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820692190.1U Expired - Fee Related CN208125531U (en) | 2018-05-10 | 2018-05-10 | A kind of concrete shear test device based on pressure testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208125531U (en) |
-
2018
- 2018-05-10 CN CN201820692190.1U patent/CN208125531U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450000 59 Lianhua street, hi tech Zone, Zhengzhou, Henan Co-patentee after: SINOHYDRO Bureau 11 Co., Ltd. Patentee after: China Power Construction Eleventh Bureau Engineering Co., Ltd. Address before: 450001 59 Lianhua street, high tech Development Zone, Zhengzhou, Henan Co-patentee before: SINOHYDRO Bureau 11 Co., Ltd. Patentee before: China Hydropower eleventh Engineering Bureau (Zhengzhou) Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200304 Address after: 450000 No.01, unit 1, building 85, No.1 Cuizhu street, high tech Zone, Zhengzhou City, Henan Province Patentee after: Henan mainstay Engineering Testing Co., Ltd Address before: 450000 No. 59 Lianhua Street, Zhengzhou High-tech District, Henan Province Co-patentee before: SINOHYDRO Bureau 11 Co., Ltd. Patentee before: China Power Construction Eleventh Bureau Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20210510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |