CN201673099U - Mortar intensity digital display measurement instrument - Google Patents
Mortar intensity digital display measurement instrument Download PDFInfo
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- CN201673099U CN201673099U CN2010201836821U CN201020183682U CN201673099U CN 201673099 U CN201673099 U CN 201673099U CN 2010201836821 U CN2010201836821 U CN 2010201836821U CN 201020183682 U CN201020183682 U CN 201020183682U CN 201673099 U CN201673099 U CN 201673099U
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- handle
- mortar
- casing
- digital display
- sliding sleeve
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Abstract
The utility model discloses a mortar intensity digital display measurement instrument, characterized in that: the mortar intensity digital display measurement instrument is provided with a box body (1) and a signal processing display device (2) composed of a single-chip microcomputer processing unit, a liquid crystal display unit and a movable memory card; the box body is connected with a handle (4) by a rotary axle (5) and a cavity (44) below the handle is provided with a sensor (6), a pressure spring (7), a sliding sleeve (7), an end cover (8) and a scriber (10) in turn, as an execution unit for measuring the intensity; a force-sensitive sensor is connected with the signal processing display device to form the digital display measurement instrument. The effects of the utility model are that: the operation is simple, the data is accurate and reliable; because the scratch passes one segment of the mortar not one penetration point and the mortar is not damaged or disturbed due to chipping the sample and the quality level of the mortar is better reflected; the mortar intensity equivalent value is directly obtained by the on-site testing and the test data is directly displayed.
Description
Technical field
The utility model relates to measures compression strength of building mortar method and digital display instrument.
Background technology
Masonry mortar is the important building materials in the masonry structure, usually utilize the standard cube body test block evaluation compressive strength of reserving, when situations such as mortar specimen shortage representativeness, test block lazy weight, test findings with suspicion or disputable to the test findings of mortar specimen, mortar specimen can not meet design requirement, all need to adopt the field test method that mortar and masonry strength are carried out in situ detection or sampling detection.Traditional test sclerosis mortar compressive strength method has: some lotus method, tube platen press, mortar sheet shearing method, impact screen point-score, release method, penetration method, rebound method and method of powder actuated shot.All there are relative merits separately in each method, wherein, preceding 4 kinds of methods need on-the-spot on masonry cutter get the mortar piece, at the indoor correlation test of doing, the test figure substitution surveyed in the strong curve obtains a result.Owing to taken a sample, the influence of surveying the factors such as error of strong curve itself of the sum of errors of shop experiment, test result is often very big with the actual strength difference.The execute-in-place of release method is comparatively complicated, and result's accuracy also remains practical proof.Above-mentioned 5 kinds of methods all need the local failure masonry structure, and the sampling difficulty is bigger on cross wall.Penetration method is surveyed standard because depth of penetration is difficult, and has more technological difficulties wayward in the operation, and the general true intensity of test result is on the low side.Method of powder actuated shot is similar with penetration method on test philosophy, difference is that penetration method utilizes spring to follow closely to beat and sews at mortar, and method of powder actuated shot will follow closely dozen on mortar seam face by ail gun, and the amount of injecting of nail is relevant with the energy of nail shooting pill, wayward, so this method practice is less.Extensively retrieve at the problems referred to above, still find no better assay method and instrument.
The utility model content
The purpose of this utility model is that the resultant error that exists respectively at traditional assay method is big, the defective of local failure masonry structure and operating difficulties, and a kind of mortar strength digital display testing instrument is provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of mortar strength digital display testing instrument is characterized in that comprising:
A, a casing is set, its inner signalization processes and displays device, this device is made up of AD conversion, single-chip microcomputer processing unit, operation keyboard, liquid crystal display, power supply unit, mobile memory card;
B, the leader is set, establish rotating shaft on it, this handle one end is arranged in the casing, and cooperate with casing by rotating shaft, handle can rotate around this rotating shaft, the other end is outside casing, the end of handle in casing is provided with blind hole, force-sensing sensor is set in the blind hole, pressure spring, force-sensing sensor one end withstands on that the other end withstands on the pressure spring on the blind hole, and a sliding sleeve is set, its band groove lower end, upper end band projection, the pressure spring lower end withstands in the sliding sleeve groove, the sliding sleeve upper end is slidingly matched with handle lower end slideway, and the end cap of a band center pit is set, and it is connected with the handle lower end, sliding sleeve lower end projection passes end cap central bore and end cap central bore is slidingly matched, and on the projection of sliding sleeve lower end a scriber is set;
C, force-sensing sensor are connected with the signal Processing display device by lead.
On the basis of technique scheme, further technical scheme can be arranged:
One tension spring is set in casing, and its two ends are connect box and handle lower end end cap respectively;
A pair of location-plate is set in casing cooperates the location with the scriber starting and ending;
It is epimere, stage casing, hypomere that handle can be divided into three sections, establishes rotating shaft on the stage casing, and handle stage casing and hypomere are by being threaded, with nut and tight, to adjust the length of bottom scriber; Handle stage casing and epimere are by being threaded, with nut and tight, to adjust the length of upper handle.
Principle of work of the present utility model: utilize scriber, test mortar strength in vestige institute's work of standardized the regular length in mortar surface and the correlationship between the mortar strength, i.e. f
c Cu, i=AW
BWherein, A, B is regression coefficient, and W is institute's work.In motion process, the transient force F that force-sensing sensor records
iReach the single-chip microcomputer processing unit of signal Processing display device through lead.Because this power then is the deformation epsilon of spring divided by the pressure spring stiffness K
i, i.e. ε
i=F
i/ K, it is deformation epsilon that this power multiply by displacement again
iEqual this power institute work, i.e. W
i=F
i 2/ K, obviously, the mortar strength of surveying when high more, W
iCan be big more, vice versa.Because K is certain, so, just can calculate each institute's work, these merits are added up by the single card microcomputer processing unit as long as record the power value of each moment by sensor moment, promptly calculate tested mortar strength by the strong opisometer of unified survey.
Data transmission and calculating: adopt force-sensing sensor gaging pressure spring adaptability to changes value, firmly the method for value transform is measured the pressure spring collapsing length.Firmly two parameters of value and strain distance are tried to achieve power institute work.Adopt the single-chip microcomputer processing unit as the observing and controlling core, use with lattice lcd display unit backlight as power value and curve display unit.At the mortar strength of varying strength scope, the strong curve of the survey of its routine is demarcated in the signal Processing display device with 5 methods.Measurement finishes, and the signal Processing display device will be surveyed power value and displacement subsection storage, and the operator can inquire about by menu.The signal Processing display device is joined mobile memory card, and the operator can be convenient to raw data long preservation and data analysis with storage data importing computing machine.
System chart: form by AD conversion, single-chip microcomputer processing unit, operation keyboard, liquid crystal display, power supply unit, mobile memory card.
Major function: have scriber and touch mortar and leave mortar prompt alarm function.Has self-test function, if any sensor broken string, battery is under-voltage can both alarm.Have information such as metrical information input function such as code signal, Measuring Time, test person.System's power down or damage, former data can not lost, still on storage card.Memory capacity can be preserved the information in 1 year at least.The information deletion operation has the authority setting.System's power supply is adopted rechargeable battery and is furnished with the dry cell box simultaneously, prepares against urgent need.
Performance index:
1, power supply 5v 2000mAh
2, frequency acquisition 5KHZ
3, power value precision 0.01N
4, memory capacity is greater than 32M
5, volume 183mm * 113mm * 70mm
6, weight 0.5kg
Adopt above technical scheme, its beneficial effect is as follows:
1, simple to operate, data accurately and reliably;
2, since cut through one section mortar body, rather than injection point also can cause damage or disturbance for mortar itself because of the cutter sample thief, therefore more can reflect the quality level of mortar;
3, on-the-spot test directly draws the mortar strength scaled value, and can directly show test data.
Description of drawings
The mortar strength digital display testing instrument structural representation that Fig. 1 provides for the utility model;
Fig. 2 is the cut-open view of Fig. 1;
Fig. 3 is Fig. 1 signal Processing display system block diagram.
Embodiment
As shown in Figure 1 and Figure 2, the mortar strength digital display testing instrument that the utility model provides, the casing 1 that comprises setting, its inner signalization processes and displays device 2, referring to Fig. 3, this device is made up of AD conversion, single-chip microcomputer processing unit, operation keyboard, liquid crystal display, power supply unit, mobile memory card.The electric signal of force-sensing sensor through the AD converting unit, converts the discernible electric signal of single-chip microcomputer to, after single-chip microcomputer is handled, test result is presented at liquid crystal display.The composition of described signal Processing display device belongs to routine techniques.
As shown in Figure 1 and Figure 2, leader 4 is set, establishes rotating shaft 5 on it, handle 4 can also be arranged to 43 3 sections of epimeres 41, stage casing 42, hypomere, and wherein epimere 41 is threaded respectively with hypomere 43 with stage casing 42, stage casing 42 and with nut 43a, nut 43b and tight.The screw thread that rotation stage casing 42 cooperates with hypomere 43, the length that can regulate scriber 10, the screw thread that rotation stage casing 42 cooperates with epimere 41, the length that can regulate handle 4, nut 43a, nut 43b get and tightly effect.
Two section 42,43 in this handle 4 is arranged in the casing 1, and cooperate with casing 1 by rotating shaft 5, handle 4 can rotate around this rotating shaft 5, another section 41 is outside casing 1, handle 4 a section 43 in casing 1 is provided with blind hole 44, force-sensing sensor 6, pressure spring 7 are set in the blind hole 44, force-sensing sensor 6 one ends withstand on that the other end withstands on the pressure spring 7 on the blind hole 44, one sliding sleeve 9 is set, its band groove lower end, upper end band projection, pressure spring 7 lower ends withstand in sliding sleeve 9 grooves, and the slideway 45 that is provided with in sliding sleeve 9 upper end excircle part and handle 4 hypomeres 43 is slidingly matched.The end cap 8 of one band center pit is set, and it is threaded with handle 4 lower ends 43, and the projection of sliding sleeve 9 lower ends passes end cap 8 center pits and end cap 8 center pits are slidingly matched, and on the sliding sleeve 9 lower end projectioies scriber 10 is set.
Force-sensing sensor 6 is connected with signal Processing display device 2 by lead;
One tension spring 3 is set in casing 1, and its two ends are connect box 1 and handle lower end end cap 8 respectively;
A pair of symmetrically arranged location-plate 11 is set in casing 1 cooperates the location, shown in the dotted line scriber of position, the left and right sides among Fig. 1 with scriber 10 starting and endings.
Above-mentioned mortar strength assay method, with mortar strength digital display testing instrument by being pressed in masonry 12 surfaces, scriber 10 lower ends are in position before the work, tension spring 3 pulls to the left side with handle 4 lower ends, make scriber 10 just contact tested mortar face, hold handle 4 and firmly slowly promote left, scriber 10 marks the arc vestige one along tested mortar surface under the effect of pressure spring 7.Remove digital display instrument, scriber 10 is got back to initial position under the pulling of tension spring 3.The compression of the displacement of scriber 10, pressure spring 7 is transformed into force-sensing sensor 6 electric signal entering signal processes and displays devices 2 and directly reads mortar strength numerical value.
Claims (5)
1. mortar strength digital display testing instrument is characterized in that comprising:
A, a casing (1) is set, its inner signalization processes and displays device (2), this device is made up of AD conversion, single-chip microcomputer processing unit, operation keyboard, liquid crystal display, power supply unit, mobile memory card;
B, leader (4) is set, its middle part is established rotating shaft (5) and is connected cooperation with casing (1), these handle (4) one ends are arranged in the casing (1), the other end is outside casing (1), the end of handle (4) in casing (1) is provided with blind hole (44), force-sensing sensor (6) is set in the blind hole (44), pressure spring (7), force-sensing sensor (6) one ends withstand on the blind hole (44), the other end withstands on the pressure spring (7), one sliding sleeve (9) is set, its upper end is provided with groove, the lower end is provided with projection, pressure spring (7) lower end withstands in sliding sleeve (9) groove, the slideway (45) that sliding sleeve (9) top and handle (4) lower end are provided with is slidingly matched, the end cap (8) that one band center pit is set is connected with handle (4) lower end, and sliding sleeve (9) lower end projection is passed end cap (8) center pit, in the projection of sliding sleeve (9) lower end a scriber (10) is set;
C, force-sensing sensor (6) are connected with signal Processing display device (2) by lead.
2. mortar strength digital display testing instrument as claimed in claim 1 is characterized in that: a tension spring (3) is set, the end cap (8) of its two ends difference connect box (1) and handle (4) lower end in casing (1).
3. mortar strength digital display testing instrument as claimed in claim 1 or 2 is characterized in that: a pair of location-plate (11) is set in casing (1) cooperates the location with scriber (10) starting and ending.
4. sand digital display slurry intensity measuring device as claimed in claim 1 or 2, it is characterized in that: handle (4) is divided into three sections, handle epimere (41), handle stage casing (42), handle hypomere (43), rotating shaft (5) is arranged on the handle stage casing (42), between every section by being threaded, with nut and tight, to adjust the length of handle and bottom scriber (10).
5. sand digital display slurry intensity measuring device as claimed in claim 3, it is characterized in that: handle (4) is divided into three sections, handle epimere (41), handle stage casing (42), handle hypomere (43), rotating shaft (5) is arranged on the handle stage casing (42), between every section by being threaded, with nut and tight, to adjust the length of handle and bottom scriber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201836821U CN201673099U (en) | 2010-04-30 | 2010-04-30 | Mortar intensity digital display measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201836821U CN201673099U (en) | 2010-04-30 | 2010-04-30 | Mortar intensity digital display measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673099U true CN201673099U (en) | 2010-12-15 |
Family
ID=43330511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201836821U Expired - Lifetime CN201673099U (en) | 2010-04-30 | 2010-04-30 | Mortar intensity digital display measurement instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839830A (en) * | 2010-04-30 | 2010-09-22 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Mortar strength digital display testing instrument |
| CN103018093A (en) * | 2012-11-29 | 2013-04-03 | 无锡众望四维科技有限公司 | Scratch-resistant testing device for printed circuit board coating |
| CN109085051A (en) * | 2018-08-06 | 2018-12-25 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
-
2010
- 2010-04-30 CN CN2010201836821U patent/CN201673099U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839830A (en) * | 2010-04-30 | 2010-09-22 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Mortar strength digital display testing instrument |
| CN103018093A (en) * | 2012-11-29 | 2013-04-03 | 无锡众望四维科技有限公司 | Scratch-resistant testing device for printed circuit board coating |
| CN109085051A (en) * | 2018-08-06 | 2018-12-25 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI SUPERVITION AND TESTING STATION FOR QUALITY |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110328 Address after: The Huaihe River Road in Anhui province Bengbu City 233000 Longzihu District No. 771 Co-patentee after: Anhui Building Engineering Quality Supervision and Testing Station Patentee after: Anhui and Huai River Water Resources Research Institute Address before: The Huaihe River Road in Anhui province Bengbu City 233000 Longzihu District No. 771 Patentee before: Anhui and Huai River Water Resources Research Institute |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20120530 |