CN212780334U - Penetrometer calibration device for concrete strength detection - Google Patents
Penetrometer calibration device for concrete strength detection Download PDFInfo
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- CN212780334U CN212780334U CN202021034079.7U CN202021034079U CN212780334U CN 212780334 U CN212780334 U CN 212780334U CN 202021034079 U CN202021034079 U CN 202021034079U CN 212780334 U CN212780334 U CN 212780334U
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- penetrometer
- calibration device
- fixed splint
- concrete strength
- movable clamp
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- 239000004567 concrete Substances 0.000 title claims abstract description 35
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- 239000011229 interlayer Substances 0.000 claims description 8
- 229920001875 Ebonite Polymers 0.000 claims description 6
- 238000002347 injection Methods 0.000 abstract description 15
- 239000007924 injection Substances 0.000 abstract description 15
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
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- 230000035515 penetration Effects 0.000 description 5
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
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- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an injection apparatus calibration device for concrete strength detects, including the fixed bolster, be provided with the lift base on the fixed bolster, be provided with the lifter on the lift base, the lifter top is provided with down solid fixed splint, and lower solid fixed splint tip is provided with the locker, is provided with locking screw on the locker, gu the fixed splint top is provided with movable clamp plate down, goes up movable clamp plate tip and is provided with the dead lever, goes up and is provided with the metal pivot between movable clamp plate and the lower solid fixed splint, be provided with the injection apparatus in the middle of the solid fixed splint down, the injection apparatus both sides are provided with the injection apparatus handle, and the injection apparatus bottom is provided with calibrates special button head measuring pin. The utility model provides a problem that can't in time rate around the concrete penetrometer test detects, ensured concrete penetrometer survey intensity data's reliability, convenient to carry, easy operation, rate the error little, do benefit to the rate of on-the-spot injection method concrete intensity around detecting to the penetrometer.
Description
Technical Field
The utility model belongs to concrete engineering detection area, in particular to penetrometer calibration device for concrete strength detects.
Background
The concrete penetrometer is a detection device for detecting the strength of concrete, and the advantages of no damage to the structure, small limitation of the shape and the size of a structure, light weight, easy operation, safety, rapidness and the like of a penetration method are increasingly applied to detecting the early strength of sprayed concrete. The structure of the high-strength concrete needle penetration tester is disclosed in Chinese patent CN2648436Y, and the tester comprises a main frame, handles on two sides of the main frame, a hammer type pressure shaft in a core hole of the main frame, and a measuring needle connected to the lowest end of the hammer type pressure shaft, wherein a load spring is sleeved on the middle section of the hammer type pressure shaft, the upper end of the hammer type pressure shaft is connected with a loading nut through a loading bolt, a starter is fixed on the main frame, and an adjustable measuring needle locking ring is arranged between the measuring needle and the hammer type pressure shaft.
In the early strength detection of sprayed concrete, the reliability of the early strength data of the concrete depends on the accuracy of the penetration force of the concrete penetrometer, so that the calibration needs to be carried out in time before and after the penetrometer is used. At present, because the concrete penetrometer does not have a special calibration and calibration device, most detection mechanisms still carry out the calibration of the concrete penetrometer according to the regulations in the specification of the detection and calibration of the strength of the injection mortar (JJF 1372-2012), but because the concrete penetrometer has a larger value than the injection force of the concrete penetrometer, the calibration standard of the mortar penetrometer is not suitable for the concrete penetrometer, and the calibration method of the penetrometer can only be carried out indoors, the automation degree is low, the operation is complex, the error is large, the calibration method is not favorable for the requirements of timely calibration before and after the on-site detection of the concrete, therefore, the detection of the concrete penetrometer needs a calibration device which is convenient to carry, simple to operate and small in error, and can be used for calibrating the concrete penetrometer in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at disclosing a convenient to carry, easy operation, the little calibration equipment of error, providing a penetrometer calibration device that is used for concrete strength to detect.
Based on the above-mentioned purpose, the utility model discloses take following technical scheme:
the utility model provides an injection apparatus calibration device for concrete strength detects, includes the fixed bolster, is provided with the lift base on the fixed bolster, is provided with the lifter on the lift base, and the lifter top is provided with down solid fixed splint, and lower solid fixed splint tip is provided with the locker, is provided with locking screw on the locker, gu the fixed splint top is provided with movable clamp down, and the movable clamp tip of going up is provided with the dead lever, is provided with the metal rotating shaft between movable clamp and the lower solid fixed splint, be provided with the injection apparatus in the middle of the solid fixed splint down, the injection apparatus both sides are provided with the injection apparatus handle, and the injection apparatus bottom is provided with calibrates special button head survey probe, and the injection apparatus below is provided with the force value sensor, and the force value sensor below is provided with touch-control display.
Furthermore, a groove is formed in the middle of the lower fixing clamp plate, a soft rubber interlayer is arranged on the inner wall of the groove, and a hard rubber interlayer with a groove is arranged on the bottom surface of the upper movable clamp plate.
Further, a rubber support is arranged below the lifting base.
Furthermore, the lifting base is welded on the fixed support, and the lifting rod is matched with the lifting base for use.
Furthermore, the upper movable clamping plate is movably connected with the lower fixed clamping plate through a metal rotating shaft.
Further, the touch display is inlaid on the outer wall of the fixing support, and the force value sensor is arranged under the penetrometer and fixed on the fixing support through screws.
Furthermore, the touch display is electrically connected with the lifting base and the force value sensor through leads.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses convenient to carry, easy operation, calibration error are little, do benefit to the calibration to the penetrometer around the on-the-spot injection method concrete strength detects.
2. The utility model discloses an go up movable clamp plate and lower solid fixed splint and rotate the mode of being connected, and go up and set up trough of belt hard rubber intermediate layer on the movable clamp plate, set up the recess on the lower solid fixed splint and be provided with soft rubber intermediate layer at the recess inner wall, prevented that the penetrometer from taking place to slide at the calibration time, the concrete penetrometer that is favorable to different models is fixed and is detected on the calibration device, the suitability of calibration device has been improved, the effectual requirement that different model penetrometers calibrated has been satisfied, the accuracy of going on fast and the result of calibration test has been guaranteed.
3. The utility model discloses a dead lever, locking screw, locker can be fast effectual with the locking of last movable clamp plate, guaranteed the penetrometer rate test go on fast and the accuracy of result.
4. Lifting pedestal below adopts the rubber support design, the effectual buffering because of penetrating the produced instantaneous impact force of appearance calibration, has reduced the calibration instrument because of the long-term damage that leads to of impact force influence of internals, has guaranteed the life of calibration instrument, simultaneously because rubber support itself is great with the frictional resistance on ground, can effectively guarantee the holistic stability of calibration instrument.
5. The utility model discloses a special button head probe of rating is for guaranteeing the rating result customization specially, and the design of button head has reduced because of rating strikes the wearing and tearing that produce the probe, has guaranteed the position at every turn that the timing penetrometer is zero, has ensured the accuracy of penetrometer rating result.
6. Touch-control display passes through the wire electricity with lifting pedestal, power value sensor and is connected. The touch display can direct processing information, control lifting pedestal work, and possess the backup memory function of data storage, the power value sensor detects when the special button head survey pin of calibration just contacted power value sensor, with signal transmission for the touch display, the lifter height at this moment of touch display record. After the penetrometer performs the calibration experiment, the force value sensor transmits the penetration force to the touch display for processing. After the calibration error range of the penetrometer is input, the touch display can automatically analyze calibration data and judge whether the penetrometer meets the use requirements before and after use, so that the calibration test result is automatically judged, the time for manual calculation statistics is reduced, and the accuracy of the calibration test result is ensured.
7. The utility model discloses a touch-control display and power value sensor dual control, the effectual efficiency and the accuracy of guaranteeing the work of lift base. Except that the fixed mounting of the penetrometer and the triggering start need manual operation, the calibration test operations such as lifting base control, force value induction and result judgment have reached full automation, the efficiency of penetrometer calibration test is effectively improved, and the accuracy of calibration result judgment is guaranteed.
8. The utility model provides a problem that can't in time rate around the experimental detection of concrete penetrometer, ensured concrete penetrometer survey intensity data's reliability, guaranteed the accuracy that testing personnel judged to the penetration method concrete intensity testing result.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention.
1. A penetrometer; 2. a penetrometer handle; 3. an upper movable splint; 301. fixing the rod; 302. a hard rubber interlayer with grooves; 4. a lower fixed splint; 401. locking the screw rod; 402. a locker; 403. a soft rubber interlayer; 404. a metal rotating shaft; 5. a lifting rod; 6. a lifting base; 7. a rubber support; 8. calibrating a special round-head measuring needle; 9. a force value sensor; 10. a touch display; 11. and fixing the bracket.
Detailed Description
As shown in FIGS. 1-2, the utility model discloses an penetrometer calibration device for concrete strength detects, including fixed bolster 11, be provided with lifting base 6 on the fixed bolster 11, lifting base 6 welds on fixed bolster 11, and lifting base 6 below is provided with rubber support 7. The lifting base 6 is provided with a lifting rod 5, and the lifting rod 5 is matched with the lifting base 6 for use. The top of the lifting rod 5 is provided with a lower fixed splint 4, a groove is arranged in the middle of the lower fixed splint 4, and the inner wall of the groove is provided with a soft rubber interlayer 403. The end part of the lower fixed clamping plate 4 is provided with a locker 402, the locker 402 is provided with a locking screw 401, the upper part of the lower fixed clamping plate 4 is provided with an upper movable clamping plate 3, and the bottom surface of the upper movable clamping plate 3 is provided with a hard rubber interlayer 302 with a groove. The end of the upper movable clamping plate 3 is provided with a fixing rod 301, and the fixing rod 301 is inserted into a locking device 402 and locked by a locking screw 401. A metal rotating shaft 404 is arranged between the upper movable clamping plate 3 and the lower fixed clamping plate 4, and the upper movable clamping plate 3 and the lower fixed clamping plate 4 are movably connected through the metal rotating shaft 404. The middle of lower solid fixed splint 4 is provided with penetrometer 1, and 1 both sides of penetrometer are provided with penetrometer handle 2, and 1 bottom of penetrometer is provided with the special button head survey pin 8 of calibration, and 1 below of penetrometer is provided with power value sensor 9, and power value sensor 9 sets up under penetrometer 1, and passes through the fix with screw on fixed bolster 11. A touch display 10 is arranged below the force value sensor 9, the touch display 10 is embedded on the outer wall of the fixing support 11, and the touch display 10 is electrically connected with the lifting base 6 and the force value sensor 9 through wires.
When using, at first rotate the movable clamp plate 3, put the penetrometer 1 that will rate on lower solid fixed splint 4, penetrometer handle 2 is put in the middle recess department of solid fixed splint 4 down, rotates the movable clamp plate 3, and hard rubber intermediate layer 302 of trough of belt extrudees penetrometer handle 2 with soft rubber intermediate layer 403, and dead lever 301 inserts in locker 402 this moment, screws up locking screw 401, locks dead lever 301. An operator controls the lifting base 6 to work through the touch display 10, drives the lifting rod 5 to move downwards, and the lifting rod 5 drives the penetrometer 1 to move downwards. When the special round-head measuring pin 8 for calibration contacts with the top of the force value sensor 9, the force value sensor 9 receives information and transmits the information to the touch display 10, the touch display 10 processes the information, the lifting base 6 stops driving and records the height matched with the driving distance of the lifting base 6 at the moment, and the height value is the position of the calibration zero point. The operator opens the penetrometer 1, the penetrometer 1 works, the force value sensor 9 collects the rating force of the penetrometer 1 and transmits the rating force to the touch display 10, the touch display 10 processes information, and the rating force of the penetrometer 1 is automatically judged whether to meet the use requirements according to the comparison of corresponding parameters input by the operator through the touch display 10.
Claims (7)
1. The utility model provides a penetrometer calibration device for concrete strength detects, a serial communication port, including the fixed bolster, be provided with the lift base on the fixed bolster, be provided with the lifter on the lift base, the lifter top is provided with down solid fixed splint, and lower solid fixed splint tip is provided with the locker, is provided with locking screw on the locker, gu the fixed splint top is provided with movable clamp down, go up movable clamp tip and be provided with the dead lever, go up movable clamp and be provided with the metal pivot down between the solid fixed splint, be provided with the penetrometer in the middle of the solid fixed splint down, the penetrometer both sides are provided with the penetrometer handle, and the penetrometer bottom is provided with the special button head survey pin of calibration, and the penetrometer below is provided with the force value sensor, and the force value sensor below is.
2. The penetrometer calibration device for concrete strength detection according to claim 1, wherein a groove is formed in the middle of the lower fixed clamp plate, a soft rubber interlayer is arranged on the inner wall of the groove, and a hard rubber interlayer with a groove is arranged on the bottom surface of the upper movable clamp plate.
3. The penetrometer calibration device for concrete strength detection according to claim 2, wherein a rubber support is arranged below the lifting base.
4. The penetrometer calibration device for concrete strength detection according to claim 3, wherein the lifting base is welded to the fixing bracket, and the lifting rod is used in cooperation with the lifting base.
5. The penetrometer calibration device for concrete strength detection according to claim 4, wherein the upper movable clamp plate and the lower fixed clamp plate are movably connected through a metal rotating shaft.
6. The penetrometer calibration device for concrete strength detection according to claim 5, wherein the touch display is embedded on an outer wall of a fixing bracket, and the force value sensor is arranged right below the penetrometer and fixed on the fixing bracket through a screw.
7. The penetrometer calibration device for concrete strength detection according to claim 6, wherein the touch display is electrically connected with the lifting base and the force value sensor through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021034079.7U CN212780334U (en) | 2020-06-08 | 2020-06-08 | Penetrometer calibration device for concrete strength detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021034079.7U CN212780334U (en) | 2020-06-08 | 2020-06-08 | Penetrometer calibration device for concrete strength detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212780334U true CN212780334U (en) | 2021-03-23 |
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ID=75070119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021034079.7U Active CN212780334U (en) | 2020-06-08 | 2020-06-08 | Penetrometer calibration device for concrete strength detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212780334U (en) |
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2020
- 2020-06-08 CN CN202021034079.7U patent/CN212780334U/en active Active
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Address after: No. 10, yinting Road, Jimei District, Xiamen City, Fujian Province (Annex Building) Patentee after: China Communications First Highway Engineering. Green Building (Xiamen) Technology Co.,Ltd. Country or region after: Zhong Guo Address before: No. 10, yinting Road, Jimei District, Xiamen City, Fujian Province (Annex Building) Patentee before: CCCC FIRST HIGHWAY ENGINEERING BUREAU XIAMEN DETECTION TECHNOLOGY CO.,LTD. Country or region before: Zhong Guo |
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| CP03 | Change of name, title or address |