CN104833601A - Automatic resiliometer used for testing compressive strength of concrete - Google Patents
Automatic resiliometer used for testing compressive strength of concrete Download PDFInfo
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- CN104833601A CN104833601A CN201510216877.9A CN201510216877A CN104833601A CN 104833601 A CN104833601 A CN 104833601A CN 201510216877 A CN201510216877 A CN 201510216877A CN 104833601 A CN104833601 A CN 104833601A
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- reisilometer
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Abstract
The invention discloses an automatic resiliometer used for testing compressive strength of concrete. The automatic resiliometer comprises an elastic stem, a motor, a central guide rod, a calibrated scale, a pointer, a restoring spring, a counter weight and an extension spring, wherein the elastic stem and the counter weight successively sleeve the central guide rod and can slide to and fro along the central guide rod, the elastic stem is arranged at the working end part of the automatic resiliometer, one end of the extension spring is fixedly connected with the working end part of the automatic resiliometer, the other end of the extension spring is connected with the counter weight, the gear of the motor is of a semi-gear structure, the bottom side of the counter weight is arranged to be of a sawtooth structure matching with the gear of the motor, the calibrated scale is parallely arranged above the central guide rod, the restoring spring penetrates and is arranged on the calibrated scale, one end of the restoring spring is fixedly arranged on the calibrated scale, and the other end of the restoring spring is connected with the pointer. According to the invention, since the springs are driven by the motor and only one extension spring is installed, so energy consumption of the motor is reduced; and since the automatic resiliometer is of a butt-like structure, the automatic resiliometer is more convenient and is labor-saving and time-saving.
Description
Technical field
The present invention relates to a kind of full-automatic reisilometer for testing concrete crushing strength, be applicable to the intensity of common buildings component, bridge and the various concrete component (plate, beam, post, crane span structure) detected in the engineerings such as building construction, water conservancy and hydropower, electric power, railway, highway, Ports And Waterways, municipal administration, belong to construction engineering technical field.
Background technology
The reisilometer of current application is artificial applying power and drives extension spring and compression spring to drive weight, but what affect testing result in actual detection only has extension spring, and the cylindrical structure of reisilometer operates very inconvenient, for components such as general beam, plates, every sheet needs to detect up to a hundred data, and this is a kind of consumption greatly to manpower, time.
Summary of the invention
Object: in order to overcome the deficiencies in the prior art, the invention provides a kind of full-automatic reisilometer for testing concrete crushing strength.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
For testing a full-automatic reisilometer for concrete crushing strength, it is characterized in that: comprise elastic stem, motor, centre pilot, rule, pointer, recovery spring, weight, extension spring; Wherein, elastic stem and weight are set on centre pilot successively, and can centrally slidably reciprocate by guide rod, and wherein, elastic stem is arranged on the working tips of full-automatic reisilometer; Extension spring one end is fixedly connected on the working tips of full-automatic reisilometer, and the other end is connected with weight; The gear of motor is half gear structure, and the bottom side of described weight is set to the broached-tooth design matched with motor gear, and bottom side and the motor gear of weight have the part of tooth to be meshed; Rule is set in parallel in above centre pilot, recovers spring and runs through setting on the scale, and one end is fixing on the scale, other end concatenation pointer.
Preferably, described a kind of full-automatic reisilometer for testing concrete crushing strength, it is characterized in that: also comprise adjusting screw, the one end of recovering spring is connected and fixed on the scale by adjusting screw, corrects instrument for the position by changing adjusting screw.
Described a kind of full-automatic reisilometer for testing concrete crushing strength, is characterized in that: also comprise main frame, for recording the data of measurement.
Described a kind of full-automatic reisilometer for testing concrete crushing strength, is characterized in that: also comprise for controlling the switch of motor work and providing the battery of power supply.
Described a kind of full-automatic reisilometer for testing concrete crushing strength, is characterized in that: also comprise rotary handle, and rotary handle is axially vertical with centre pilot and can rotate around centre pilot, facilitates hand-held.
Preferably, described a kind of full-automatic reisilometer for testing concrete crushing strength, is characterized in that: described full-automatic reisilometer whole installation is gun stock formula structure.
Beneficial effect: a kind of full-automatic reisilometer for testing concrete crushing strength provided by the invention, with motor driving spring and weight, weight clashes into the elastic stem with concrete surface perpendicular contact with constant kinetic energy, local concrete is made to deform and absorb part energy, another part Conversion of Energy is the bounce-back kinetic energy of weight, when the kinetic energy that rebounds all changes into potential energy, weight bounce-back reaches ultimate range, and the maximum bounce-back distance of weight shows with the name of rebound value by instrument; Use motor driving spring, and only an extension spring is installed, reduce the energy consumption of motor, and the constructor of its gun stock formula is more convenient, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is scale portion schematic diagram in the present invention;
In figure: elastic stem 1, rotary handle 2, motor 3, switch 4, battery 5, centre pilot 6, rule 7, main frame 8, pointer 9, recovery spring 10, adjusting screw 11, weight 12, extension spring 13.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
As shown in Figure 1; for testing a full-automatic reisilometer for concrete crushing strength, comprising elastic stem 1, rotary handle 2, motor 3, switch 4, battery 5, centre pilot 6, rule 7, main frame 8, pointer 9, recovering spring 10, adjusting screw 11, weight 12, extension spring 13; Wherein, elastic stem 1 and weight 12 are set on centre pilot 6 successively, and can centrally slidably reciprocate by guide rod 6, and wherein, elastic stem 1 is arranged on the working tips of full-automatic reisilometer; Extension spring 13 one end is fixedly connected on the working tips of full-automatic reisilometer, and the other end is connected with weight 12; Motor 3 gear is half gear structure, and the bottom side of described weight 12 is set to the broached-tooth design matched with motor gear, and bottom side and the motor gear of weight 12 have the part of tooth to be meshed; Rule 7 is set in parallel in above centre pilot 6, and recover spring 10 and run through setting on the scale 7, one end is fixed in adjusting screw 11, other end concatenation pointer 9, and by main frame 8 record pointer 9 data.Also comprise for controlling the switch 4 of motor work and providing the battery 5 of power supply.Rotary handle 2, rotary handle is axially vertical with centre pilot, and can rotate around centre pilot, and handle can be adjusted to suitable position according to the custom of oneself by user, makes it operate convenient.Parts in full-automatic reisilometer are arranged in the housing of the structure of gun stock formula.
Main frame is similar to the digital-display resiliometer host function principle applied in the market, can recording processing data automatically.Weight 12 and motor 3 adopt gear drive, and motor gear is half gear structure, and after motor 3 driven gear extension spring to certain distance, weight sawtooth portion departs from motor gear and clash into elastic stem 1 under extension spring 13 acts on.Recover spring 10 through 7(on rule as shown in Figure 2), one end concatenation pointer 9, the other end is fixed in adjusting screw 11, is corrected instrument by the position changing adjusting screw 11.
Specific embodiment of the invention process is as follows:
The first step, the adjustment of device:
Open setting nut 11, by moving left and right the position of setting nut thus regulating the elasticity recovering spring 10, and then the reading of regulating device, make it meet standard;
Second step, starts to measure:
Make reisilometer working end perpendicular contact to component surface to be measured, Push switch 4, motor 3 drives weight 11, after making weight centrally guide rod 6 being stretched to certain distance, motor gear and weight are out of gear, extension spring 13 pulls weight to clash into elastic stem 1, local concrete is made to deform and absorb part energy, another part Conversion of Energy is the bounce-back kinetic energy of weight, weight bounce-back drives pointer 9 to reach ultimate range, main frame 8 records data, finally recovering spring 10 pulls pointer to make pointer get back to initial position, measures and terminates.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. for testing a full-automatic reisilometer for concrete crushing strength, it is characterized in that: comprise elastic stem, motor, centre pilot, rule, pointer, recovery spring, weight, extension spring; Wherein, elastic stem and weight are set on centre pilot successively, and can centrally slidably reciprocate by guide rod, and wherein, elastic stem is arranged on the working tips of full-automatic reisilometer; Extension spring one end is fixedly connected on the working tips of full-automatic reisilometer, and the other end is connected with weight; The gear of motor is half gear structure, and the bottom side of described weight is set to the broached-tooth design matched with motor gear, and bottom side and the motor gear of weight have the part of tooth to be meshed; Rule is set in parallel in above centre pilot, recovers spring and runs through setting on the scale, and one end is fixing on the scale, other end concatenation pointer.
2. a kind of full-automatic reisilometer for testing concrete crushing strength according to claim 1, it is characterized in that: also comprise adjusting screw, the one end of recovering spring is connected and fixed on the scale by adjusting screw, corrects instrument for the position by changing adjusting screw.
3. a kind of full-automatic reisilometer for testing concrete crushing strength according to claim 1, is characterized in that: also comprise main frame, for recording the data of measurement.
4. a kind of full-automatic reisilometer for testing concrete crushing strength according to claim 1, is characterized in that: also comprise for controlling the switch of motor work and providing the battery of power supply.
5. a kind of full-automatic reisilometer for testing concrete crushing strength according to claim 1, is characterized in that: also comprise rotary handle, and rotary handle is axially vertical with centre pilot and can rotate around centre pilot, facilitates hand-held.
6. a kind of full-automatic reisilometer for testing concrete crushing strength according to any one of claim 1-5, is characterized in that: described full-automatic reisilometer whole installation is gun stock formula structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216877.9A CN104833601B (en) | 2015-04-30 | 2015-04-30 | A kind of full-automatic reisilometer for being used to test concrete crushing strength |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216877.9A CN104833601B (en) | 2015-04-30 | 2015-04-30 | A kind of full-automatic reisilometer for being used to test concrete crushing strength |
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| CN104833601A true CN104833601A (en) | 2015-08-12 |
| CN104833601B CN104833601B (en) | 2017-07-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610361A (en) * | 2016-12-14 | 2017-05-03 | 王昌益 | Material hardness unification and comparison research method and hardmeter |
| CN106679912A (en) * | 2016-12-30 | 2017-05-17 | 长安大学 | Electromagnetic-driven lossless resiliometer and measuring method of the same |
| CN108007658A (en) * | 2017-12-27 | 2018-05-08 | 舟山市博远科技开发有限公司 | A kind of detection device of the spring assembly of reisilometer |
| CN108007764A (en) * | 2017-12-29 | 2018-05-08 | 上海岩土工程勘察设计研究院有限公司 | Lower embedding type concrete component intensity Indirect testing devices and methods therefor |
| CN108333065A (en) * | 2018-02-25 | 2018-07-27 | 上海质远信息技术服务有限公司 | A kind of knockdown welding quality analytical equipment |
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| CN203572728U (en) * | 2013-10-28 | 2014-04-30 | 杭州钢信建设工程检测有限公司 | Digital-display-type concrete resiliometer |
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| US5311764A (en) * | 1992-03-25 | 1994-05-17 | The United States Of America As Represented By The Secretary Of The Navy | Rebound hammer |
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| CN203572728U (en) * | 2013-10-28 | 2014-04-30 | 杭州钢信建设工程检测有限公司 | Digital-display-type concrete resiliometer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610361A (en) * | 2016-12-14 | 2017-05-03 | 王昌益 | Material hardness unification and comparison research method and hardmeter |
| CN106679912A (en) * | 2016-12-30 | 2017-05-17 | 长安大学 | Electromagnetic-driven lossless resiliometer and measuring method of the same |
| CN106679912B (en) * | 2016-12-30 | 2019-11-12 | 长安大学 | A kind of lossless reisilometer and measurement method of electromagnetic drive |
| CN108007658A (en) * | 2017-12-27 | 2018-05-08 | 舟山市博远科技开发有限公司 | A kind of detection device of the spring assembly of reisilometer |
| CN108007658B (en) * | 2017-12-27 | 2023-12-08 | 舟山市博远科技开发有限公司 | Detection device for spring assembly of resiliometer |
| CN108007764A (en) * | 2017-12-29 | 2018-05-08 | 上海岩土工程勘察设计研究院有限公司 | Lower embedding type concrete component intensity Indirect testing devices and methods therefor |
| CN108007764B (en) * | 2017-12-29 | 2023-12-29 | 上海勘察设计研究院(集团)股份有限公司 | Non-excavation detection device and method for strength of buried concrete member |
| CN108333065A (en) * | 2018-02-25 | 2018-07-27 | 上海质远信息技术服务有限公司 | A kind of knockdown welding quality analytical equipment |
| CN108333065B (en) * | 2018-02-25 | 2020-05-22 | 上海质远信息技术服务有限公司 | Combined welding quality analysis device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104833601B (en) | 2017-07-21 |
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Effective date of registration: 20171013 Address after: 014000 the Inner Mongolia Autonomous Region Baotou rare earth high tech Zone Shuguang Road No. 16 Baotou Steel Research and development base Patentee after: BAOTOU Research Institute OF METALLURGICAL CONSTRUCTION Address before: Xikang Road, Gulou District of Nanjing city of Jiangsu Province, No. 1 210098 Patentee before: HOHAI University |
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