CN203572728U - Digital-display-type concrete resiliometer - Google Patents
Digital-display-type concrete resiliometer Download PDFInfo
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- CN203572728U CN203572728U CN201320672066.6U CN201320672066U CN203572728U CN 203572728 U CN203572728 U CN 203572728U CN 201320672066 U CN201320672066 U CN 201320672066U CN 203572728 U CN203572728 U CN 203572728U
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- digital display
- type concrete
- bouncing back
- display type
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Abstract
The utility model discloses a digital-display-type concrete resiliometer which comprises a casing, wherein a tail cover is arranged at the rear end of the casing; a cover cap is arranged at the front end of the casing; the inside of the cover cap is sleeved with a resilience rod; the inside of the casing is hollow so as to form an inner cavity; a resilience hammer and a center guiding rod are arranged in the inner cavity; one end of the center guiding rod passes through the inner cavity so as to be connected with the resilience rod; the other end of the center guiding rod is connected with the tail cover through a hook and a zero-adjusting screw; a sliding device is mounted on the casing; a displacement sensor is connected between the bottom of the sliding device and the resilience hammer; and a digital display device is fixed at the top of the sliding device. The concrete resiliometer is simple in structure, convenient and rapid to move as well as convenient to use and maintain. The dynamic measurement and the real-time processing on a moving process of the resilience hammer are carried out by utilizing the displacement sensor and the digital display device, so that the measurement and the judgment are carried out rapidly and accurately. Thus, human factors are reduced and the measurement accuracy is improved. The concrete resiliometer has the integrated functional modules of data acquisition, processing analysis, display printing and the like, so that the automation control is realized and the working efficiency is improved.
Description
Technical field
The utility model relates to a kind of reisilometer, is specifically related to a kind of digital display type concrete bouncing back instrument, is mainly used in the concrete compressive strength of Non-Destructive Testing.
Background technology
Concrete bouncing back instrument, is to utilize Spring driving elastic hammer and the restoring force of the Instantaneous elastic deformation that produces by elastic stem attack concrete surface, makes elastic hammer drive pointer rebound and indicate the distance of rebounding.With rebound value (distance of rebounding and the ratio of distances constant of the front elastic hammer of impact to elastic stem, percentagewise), as one of relevant index of concrete crushing strength, infer concrete compressive strength.Therefore, be conventionally applicable to the concrete compressive strength of Non-Destructive Testing structure or member.
Existing concrete bouncing back instrument, mostly is direct reading physical construction, conventionally by housing a, centre pilot b, elastic hammer c, elastic stem d, firing lock e, pointer f and reading device g, forms (as shown in Figure 1).Reisilometer stretching elastic tension spring drives elastic hammer to obtain impact kinetic energy, via the surface of elastic stem impingement members, after component surface is impacted, produces bounce, makes elastic hammer produce resilience campaign, calculates rebound value and is:
the rebound stroke that in formula, r is elastic hammer, the impact stroke that L is elastic hammer; Or:
v in formula
rfor the rebound velocity of elastic hammer, v
0for the stroke speed of elastic hammer.
Because elastic hammer snap-off-distance is very short, measuring error is larger, makes existing concrete bouncing back instrument precision not high; Measurement data adopts direct access mode, and therefore the collection of data, analysis, processing and judgement all need, by manually completing, cannot realize robotization; Elastic tension spring is being used after certain number of times, stiffness coefficient will change and cause precision to have deviation, and the long-time friction of attack face and pointer causes position to have error etc., the detection error of the concrete bouncing back instrument after long-term use increases, and cannot science objectively measure compressive strength.
The patent No. is the Chinese utility model patent of ZL201120549555.3, a kind of high strength concrete resiliometer is disclosed, take existing medium-sized reisilometer as basis, configured the elastic stem of multiple different radius-of-curvature of clashing into end face, and elastic stem is by the relative reisilometer centre pilot of plug mode removably, to improve the measuring accuracy of reisilometer, but the weak point of this technical scheme is: its essence still belongs to mechanical direct-reading structure, the automation issues that cannot solve collection, analysis, processing and the judgement of measurement data, work efficiency is low.
Utility model content
The utility model provides a kind of digital display type concrete bouncing back instrument, data acquisition function and data analysis processing capacity are integrated in one, multiple module synergy realize robotization control, have solved the technological deficiencies such as the measuring accuracy existing in prior art is not high, work efficiency low, the increase of the rear detection of long-term use error.
The technical scheme that the utility model adopts is specific as follows:
A kind of digital display type concrete bouncing back instrument, comprises housing, and the rear end of housing is provided with tail-hood, and front end is provided with block, and block inner sleeve has elastic stem; The inner hollow of housing forms inner chamber, is provided with elastic hammer and centre pilot in inner chamber, and one end through-lumen of centre pilot is connected with elastic stem, and the other end is connected with tail-hood by hook, zeroing screw.Carriage is installed on housing, between the bottom of carriage and elastic hammer, is connected with displacement transducer, the top of carriage is fixed with digital display device.
Preferably, digital display device is comprised of data acquisition module, data processing module and data disaply moudle, and wherein one end of data acquisition module is connected with displacement transducer, and the other end is connected with data processing module, and data processing module is connected with data disaply moudle.
Preferred, data acquisition module, data processing module and data disaply moudle are integrated circuit (IC) chip.
Preferably, between inner chamber and block, be connected with elastic tension spring, this elastic tension spring is positioned at the outside of centre pilot.
Preferably, between hook and tail-hood, be connected with stage clip, this stage clip is positioned at the outside of zeroing screw.
Preferably, between centre pilot and elastic stem, be connected with buffering stage clip.
Preferably, carriage comprises the base that is arranged on surface of shell, is embedded with chute on base, is equipped with slide block in chute, and slide block is connected with displacement transducer.
Preferred, four jiaos of bases are fixed with digital display device by set bolt.
Preferred, data disaply moudle is connected with external printer by data line.Make all detection information also can pass through the direct printing speed of printer, real time record.
Preferred, in housing, be also provided with electricity storage lighting device.Make this device under the amblyopias such as night, col or dark surrounds, still can carry out the Non-Destructive Testing of concrete crushing strength.
The digital display type concrete bouncing back instrument that the utility model provides, principle of work is: with linking up with, drive elastic hammer to move along centre pilot, now elastic tension spring is elongated, when moving to top, hook touches withered screw, elastic hammer is under the pulling force effect of elastic tension spring, clash into fast elastic stem, and stressed bounce-back.In this motion process, the change in displacement of elastic hammer is responded to by displacement transducer, induced signal is converted into digital signal through data acquisition module, after data processing module carries out calculation process, obtain the information such as single rebound value, single concrete crushing strength, average rebound value, average concrete crushing strength, all information all show on display module, also can print by external printer; For professional testing staff, carry out the reasonable judgement of structure, draw test result.
The digital display type concrete bouncing back instrument that the utility model provides, tool has the following advantages:
1. this apparatus structure is simple, mobile convenient, uses, keeps in repair all very convenient;
2. this device utilizes displacement transducer and digital display device that the motion process of elastic hammer is carried out kinetic measurement and processed in real time, can measure fast and accurately and judge, has reduced human factor, has improved measuring accuracy.
3. this device is integrated in one the functional modules such as data sampling and processing analysis, Display and Print, with high content of technology, has both improved chip arithmetic speed, has realized again robotization control, has reduced heavy manpower work, and work efficiency is significantly improved.
4. the employing digital control system of this device, stability is high, after long-term use, detects still < 1% of error, meets national metrological verification regulations, has extended the serviceable life of this device.
Accompanying drawing explanation
Fig. 1 is the perspective view of existing concrete bouncing back instrument.
Fig. 2 is the perspective view of the utility model digital display type concrete bouncing back instrument.
Fig. 3 is the structural representation of Fig. 2 middle shell and base portion.
Fig. 4 is the cross-sectional view of the utility model digital display type concrete bouncing back instrument.
Embodiment
As shown in Figures 2 and 3, a kind of digital display type concrete bouncing back instrument, comprises housing 1, and the rear end of housing 1 is provided with tail-hood 2, and front end is provided with block 3, and block 3 inner sleeves have elastic stem 4.The surface of housing 1 is provided with base 5, is embedded with chute 17 on base 5, is equipped with slide block 12 in chute 17; Four jiaos of base 5 are fixed with digital display device 6 by set bolt; In housing 1, be also provided with electricity storage lighting device.
As shown in Figure 4, the inner hollow of housing 1 forms inner chamber 7, is provided with elastic hammer 8 and centre pilot 9 in inner chamber 7, between elastic hammer 8 and slide block 12, is connected with displacement transducer 10; After one end through-lumen 7 of centre pilot 9, by buffering stage clip 11, be connected with elastic stem 4, the other end of centre pilot 9 is connected with tail-hood 2 by hook 13, zeroing screw 14.
Furthermore, between inner chamber 7 and block 3, be connected with elastic tension spring 15, this elastic tension spring 15 is positioned at the outside of centre pilot 9; Between hook 13 and tail-hood 2, be connected with stage clip 16, this stage clip 16 is positioned at the outside of zeroing screw 14.
Digital display device 6 is comprised of data acquisition module 601, data processing module 602 and data disaply moudle 603, and is integrated circuit (IC) chip.Wherein, one end of data acquisition module 601 is connected with displacement transducer 10 by slide block 12, and the other end is connected with data processing module 602 wires, and data processing module 602 is connected with data disaply moudle 603 wires; Data disaply moudle 603, is connected with external printer by data line.
A kind of digital display type concrete bouncing back instrument that the utility model provides, use procedure is as follows:
First, elastic stem 4 is withstood to concrete surface, gently press this device, reisilometer elastic stem 4 under the state that loosens pressure stretches out, and hook 13 hangs up elastic hammer 8; Then, the axis of this device is also slowly evenly exerted pressure perpendicular to concrete surface all the time, until elastic hammer 8, break off relations and impact after elastic stem 4, the stressed resilience of elastic hammer 8 makes to move thereafter a segment distance, displacement sensor 10 real time record induced signals, induced signal transfers to the functional module of digital display device 6, after gathering, process, analyzing, showing information displayed on screen, reads rebound value; Finally, to the decompression of this device, elastic stem 4 is resetted gradually, treat to use next time, measure and finish.
Claims (10)
1. a digital display type concrete bouncing back instrument, comprises housing (1), and the rear end of housing (1) is provided with tail-hood (2), and front end is provided with block (3), and block (3) inner sleeve has elastic stem (4); The inner hollow of housing (1) forms inner chamber (7), in inner chamber (7), be provided with elastic hammer (8) and centre pilot (9), one end through-lumen (7) of centre pilot (9) is connected with elastic stem (4), the other end is connected with tail-hood (2) by hook (13), zeroing screw (14), it is characterized in that: on described housing (1), carriage is installed, between the bottom of carriage and described elastic hammer (8), be connected with displacement transducer (10), the top of carriage is fixed with digital display device (6).
2. digital display type concrete bouncing back instrument according to claim 1, it is characterized in that, described digital display device (6) is comprised of data acquisition module (601), data processing module (602) and data disaply moudle (603), wherein one end of data acquisition module (601) is connected with described displacement transducer (10), the other end is connected with data processing module (602), and data processing module (602) is connected with data disaply moudle (603).
3. digital display type concrete bouncing back instrument according to claim 2, is characterized in that, described data acquisition module (601), data processing module (602) and data disaply moudle (603) are integrated circuit (IC) chip.
4. digital display type concrete bouncing back instrument according to claim 1, is characterized in that, between described inner chamber (7) and block (3), is connected with elastic tension spring (15), and this elastic tension spring (15) is positioned at described centre pilot (9) outside.
5. digital display type concrete bouncing back instrument according to claim 1, is characterized in that, between described hook (13) and tail-hood (2), is connected with stage clip (16), and this stage clip (16) is positioned at described zeroing screw (14) outside.
6. digital display type concrete bouncing back instrument according to claim 1, is characterized in that, is connected with buffering stage clip (11) between described centre pilot (9) and elastic stem (4).
7. digital display type concrete bouncing back instrument according to claim 1, it is characterized in that, described carriage comprises the base (5) that is arranged on described housing (1) surface, on base (5), be embedded with chute (17), in chute (17), be equipped with slide block (12), slide block (12) is connected with described displacement transducer (10).
8. digital display type concrete bouncing back instrument according to claim 7, is characterized in that, (5) four jiaos of described bases are fixed with described digital display device (6) by set bolt.
9. according to the digital display type concrete bouncing back instrument described in claim 2 or 3, it is characterized in that, described data disaply moudle (603) is connected with external printer by data line.
10. digital display type concrete bouncing back instrument according to claim 1, is characterized in that, in described housing (1), is also provided with electricity storage lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320672066.6U CN203572728U (en) | 2013-10-28 | 2013-10-28 | Digital-display-type concrete resiliometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320672066.6U CN203572728U (en) | 2013-10-28 | 2013-10-28 | Digital-display-type concrete resiliometer |
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| CN203572728U true CN203572728U (en) | 2014-04-30 |
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| CN201320672066.6U Expired - Fee Related CN203572728U (en) | 2013-10-28 | 2013-10-28 | Digital-display-type concrete resiliometer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833601A (en) * | 2015-04-30 | 2015-08-12 | 河海大学 | Automatic resiliometer used for testing compressive strength of concrete |
| CN110686992A (en) * | 2019-10-31 | 2020-01-14 | 程洪鹏 | Concrete quality safety inspection device for housing construction |
| CN110763584A (en) * | 2019-11-17 | 2020-02-07 | 汪亚平 | Road and bridge concrete structure real-time detection device |
| CN111965060A (en) * | 2020-08-03 | 2020-11-20 | 河海大学 | Press-in type on-site modulus of resilience measuring device |
| CN112857970A (en) * | 2021-01-20 | 2021-05-28 | 国网江苏省电力工程咨询有限公司 | High-precision intelligent concrete resiliometer based on NB-IoT |
| CN113984563A (en) * | 2021-10-29 | 2022-01-28 | 西安建筑科大工程技术有限公司 | Digital concrete resiliometer |
-
2013
- 2013-10-28 CN CN201320672066.6U patent/CN203572728U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833601A (en) * | 2015-04-30 | 2015-08-12 | 河海大学 | Automatic resiliometer used for testing compressive strength of concrete |
| CN110686992A (en) * | 2019-10-31 | 2020-01-14 | 程洪鹏 | Concrete quality safety inspection device for housing construction |
| CN110686992B (en) * | 2019-10-31 | 2022-03-29 | 广东长高工程建设有限公司 | Concrete quality safety inspection device for housing construction |
| CN110763584A (en) * | 2019-11-17 | 2020-02-07 | 汪亚平 | Road and bridge concrete structure real-time detection device |
| CN111965060A (en) * | 2020-08-03 | 2020-11-20 | 河海大学 | Press-in type on-site modulus of resilience measuring device |
| CN112857970A (en) * | 2021-01-20 | 2021-05-28 | 国网江苏省电力工程咨询有限公司 | High-precision intelligent concrete resiliometer based on NB-IoT |
| CN113984563A (en) * | 2021-10-29 | 2022-01-28 | 西安建筑科大工程技术有限公司 | Digital concrete resiliometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG GANGXIN DETECTION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HANGZHOU GANGXIN CONSTRUCTION ENGINEERING TESTING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 1226, room 310018, experimental building, Hangzhou Vocational and Technical College, 68 Cai Yuan Street, Zhejiang, Hangzhou Patentee after: ZHEJIANG GANGXIN DETECTION TECHNOLOGY CO., LTD. Address before: 1538, room 310018, experimental building, Hangzhou Vocational and Technical College, 68 Cai Yuan Street, Hangzhou economic and Technological Development Zone, Zhejiang, China Patentee before: Hangzhou steel letter construction project detects Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20181028 |