CN2639877Y - Digital rebound meter - Google Patents
Digital rebound meter Download PDFInfo
- Publication number
- CN2639877Y CN2639877Y CN 03208209 CN03208209U CN2639877Y CN 2639877 Y CN2639877 Y CN 2639877Y CN 03208209 CN03208209 CN 03208209 CN 03208209 U CN03208209 U CN 03208209U CN 2639877 Y CN2639877 Y CN 2639877Y
- Authority
- CN
- China
- Prior art keywords
- vernier
- guide rod
- electronic circuit
- rebound
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a digital rebound hammer; wherein, a cursor guide-bar 4 and a grating 6 are positioned on an electronic circuit cabin 10, so that all parts in the sensor except the rebound device are arranged in the electronic circuit cabin, which is characterized in making the overall assembling-disassembling possible and being convenient for the daily maintenance, installation, repair, testing and other characteristics. In addition, the cursor is designed into a cylinder with edges, which is characterized in preventing the rotation trends of the cursor 5 and improving detection errors. As for the prior digital rebound hammer, the cursor guide-bar and the rebound value sensor are arranged in the shell connected with an electronic circuit board, which brings much inconvenience to the daily maintenance, installation, repairing, calibration; in addition, the cylindrical-shaped cursor guide-bar is easy to make the cursor rotate guided by the cursor guide-bar axis, and then the irregular friction is generated between the shell and the cursor guide-bar which can cause detection errors.
Description
Technical field the utility model relates to a kind of digital rebound tester, and the sensor of digital rebound tester especially belongs to the nondestructive detecting instrument field of concrete crushing strength.
The existing digital rebound tester of background technology, the structure of its Sensor section are that the cylindric vernier guide rod parallel with the elastic hammer guide pole is installed in housing wall, are used to indicate the vernier of rebound value to be installed in the vernier guide rod by circular hole; There is a rebound value sensing element or a title rebound value sampling element that constitutes by the plane grating of optoelectronic switch and known each printing opacity nip clearance to be installed between vernier and the housing, the rebound value sensing element generally is to be installed on the side of vernier by optoelectronic switch, in addition a plane grating is installed on the light path of optoelectronic switch to constitute; Be connected with the photosignal line between the electronic circuit board of optoelectronic switch and processing and transmission photosignal, electronic circuit board is installed in the outer electronic circuit cabin of housing, the electronic circuit cabin is installed on the housing, has access opening on the housing and to link up electronic circuit cabin and enclosure interior the photosignal line is passed through.This based on traditional mechanical type vernier direct-reading reisilometer, install the digital rebound tester sensor that constitutes behind rebound value sensing element and the electronic circuit board additional, though kept the technical feature and the usability of traditional mechanical type vernier direct-reading reisilometer simultaneously, a kind of digital rebound tester that meets technical standard has fully been proposed, but there is following some deficiency in its structure: the one, and the vernier guide rod is installed on the housing with the rebound value sensing element and has the photosignal line to be connected with electronic circuit board, this both made in narrow and small housing the vernier guide rod is installed and grating very inconvenient, also make the electronic circuit cabin when dismounting, will be subjected to involving of photosignal line, thereby give daily servicing, dismounting, maintenance, proofread and correct to wait and bring very big inconvenience; The 2nd, columned vernier guide rod vernier is rotated according to vernier guide rod axis and make it and housing or vernier guide rod between produce irregular friction and cause the detection error.The existence of these defectives has influenced the usability of the digital rebound tester of prior art.
Summary of the invention is at above-mentioned deficiency, and the technical problems to be solved in the utility model is to propose a kind of digital rebound tester that improves the usability of digital rebound tester.
The digital rebound tester that the utility model provides, its Sensor section has the vernier guide rod 4 parallel with the elastic hammer guide rod, be installed in vernier 5 on the vernier guide rod with the hole, by being installed in the rebound value sensing element that optoelectronic switch 7 on the vernier and grating 6 constitute, the electronic circuit board 8 that is connected with photosignal line 9 with the rebound value sensing element and in order to the electronic circuit cabin 10 of electronic circuit board and controlling of sampling and data communication interface to be installed, the electronic circuit cabin is installed on the sensor housing 1, there is photosignal line hole to make switch on optoelectronic switch in sub-wiring board and the rebound value sensing element of photosignal duct, wherein said vernier guide rod 4 on the sensor housing, grating 6 all is installed on the electronic circuit cabin 10.
The digital rebound tester that the utility model provides has on its sensor housing 1 and holds the open-work that vernier guide rod 4 and grating 6 pass, and this open-work is connected with photosignal line 9 holes on the sensor housing; The part that vernier guide rod and grating are installed on the electronic circuit cabin 10 is the extension on a limit parallel with the bus of sensor housing, and this extension covers on the said open-work, and this extension also has the vernier elongated slot.
The digital rebound tester that the utility model provides, its Sensor section has the vernier guide rod 4 parallel with the elastic hammer guide rod, be installed in vernier 5 on the vernier guide rod with the hole, by being installed in the rebound value sensing element that optoelectronic switch 7 on the vernier and grating 6 constitute, the electronic circuit board 8 that is connected with photosignal line 9 with the rebound value sensing element and in order to the electronic circuit cabin 10 of electronic circuit board and controlling of sampling and data communication interface to be installed, the electronic circuit cabin is installed on the sensor housing 1, there is photosignal line hole to make switch on optoelectronic switch in sub-wiring board and the rebound value sensing element of photosignal duct on the sensor housing, wherein said vernier guide rod 4 has rib, and vernier similar with the shape of cross section of vernier guide rod cooperates with the vernier guide rod is movable mutually in order to the shape of cross section that is installed in the hole on the vernier guide rod on the vernier 5.
The digital rebound tester that the utility model provides, the xsect of said vernier guide rod is polygonal, especially regular polygon.
The digital rebound tester that the utility model provides, the xsect of said vernier guide rod is a rectangle, and is especially foursquare.
The digital rebound tester that the utility model provides, said vernier has the groove parallel with the vernier guide rod with the inwall in the hole that the vernier guide rod matches, especially in the position of rib.
The digital rebound tester that the utility model provides, the vernier guide rod and the grating that originally were installed on the sensor housing are installed on the electronic circuit cabin, make in the sensor part except resilient mounting, promptly parts such as the vernier guide rod of implication, optoelectronic switch, grating, photosignal connecting line, electronic circuit board all are installed in the electronic circuit cabin each other, make it and to separate sensor housing with the electronic circuit cabin, made things convenient for daily servicing to sensor, installation, maintenance, detection etc.In addition, the vernier guide rod is designed to be the cylinder of rib rather than cylindrical, stoped the rotation trend according to vernier guide rod axis of vernier on the vernier guide rod, avoided since vernier produce because of rotation at the volley and housing or vernier guide rod between the detection error that irregular friction caused.In a word, digital rebound tester provided by the utility model has made things convenient for and has used and improved service precision, and then improved usability.
Description of drawings Fig. 1 is that figure cuts open in the master office of looking of Sensor section among the utility model one embodiment;
Fig. 2 is the attached view of Fig. 1;
Fig. 3 for the A-A among Fig. 1 to cut-open view (not comprising the resilience assembly in the reisilometer).
Embodiment embodiment one: as shown in Figure 1, 2: the electronic circuit cabin 10 of digital rebound tester sensor is installed on the sensor housing 1 with screw 2,11.One flat plate is extended according to the direction parallel with the tangent line of sensor housing in a limit parallel with sensor housing cylinder bus in electronic circuit cabin, and this dull and stereotyped width is slightly larger than the width of rebound value indicator scale.Have a hole longitudinally on the sensor housing, this hole is covered by the electronic circuit cabin, and a vertical limit in this hole starts from extended dull and stereotyped below, electronic circuit cabin.The vernier guide rod 4 of digital rebound tester is the square column of a rectangle, is installed in the extended flat board in electronic circuit cabin with screw 13, and with cushion block 12 the extended flat board of vernier guide rod and electronic circuit cabin is kept apart certain distance.The vernier 5 that has a square hole similar but slightly gapped to vernier guide rod xsect is installed on the vernier guide rod, and four ribs of this square hole all have the sulculus parallel with the vernier guide rod with four limits.On the flat board of electronic circuit cabin extension, have a vernier elongated slot, the pointer face of vernier 5 is exposed in the vernier elongated slot.A rebound value indicator scale 3 of being made by transparent material is installed on the vernier elongated slot.One flute profile optoelectronic switch 7 has been installed on vernier, and grating 6 is installed under the extended flat board in electronic circuit cabin with flanging, and grating then is suspended from the groove of optoelectronic switch.Electronic circuit board 8 has been installed in the electronic circuit cabin, and photosignal line 9 is connected between electronic circuit board and the optoelectronic switch.
Embodiment two: structure and embodiment together, but the extended part in electronic circuit cabin is the curved surface that extends by the radian of sensor housing.
Embodiment three: structure and embodiment together, but wherein the cross section of vernier guide rod is orthohexagonal, on the vernier also the hole that cooperates of vernier guide rod be hexagon, and on each rib and limit, all have the sulculus parallel with the vernier guide rod.
Claims (6)
1, a kind of digital rebound tester, its Sensor section has the vernier guide rod [4] parallel with the elastic hammer guide rod, be installed in vernier [5] on the vernier guide rod with the hole, by being installed in the rebound value sensing element that optoelectronic switch [7] on the vernier and grating [6] constitute, the electronic circuit board [8] that is connected with photosignal line [9] with the rebound value sensing element and in order to the electronic circuit cabin [10] of electronic circuit board and controlling of sampling and data communication interface to be installed, the electronic circuit cabin is installed on the sensor housing [1], there is photosignal line hole to make switch on optoelectronic switch in sub-wiring board and the rebound value sensing element of photosignal duct on the sensor housing, it is characterized in that said vernier guide rod [4], grating [6] all is installed on the electronic circuit cabin [10].
2, digital rebound tester as claimed in claim 1 is characterized in that having on the sensor housing [1] and holds the open-work that vernier guide rod [4] and grating [6] pass, and this open-work is connected with photosignal line [9] hole on the sensor housing; It is the extension on a limit parallel with the bus of sensor housing that the part that vernier guide rod and grating are installed is gone up in electronic circuit cabin [10], and this extension covers on the said open-work, and this extension also has the vernier elongated slot.
3, a kind of digital rebound tester, its Sensor section has the vernier guide rod [4] parallel with the elastic hammer guide rod, be installed in vernier [5] on the vernier guide rod with the hole, by being installed in the rebound value sensing element that optoelectronic switch [7] on the vernier and grating [6] constitute, the electronic circuit board [8] that is connected with photosignal line [9] with the rebound value sensing element and in order to the electronic circuit cabin [10] of electronic circuit board and controlling of sampling and data communication interface to be installed, the electronic circuit cabin is installed on the sensor housing [1], there is photosignal line hole to make switch on optoelectronic switch in sub-wiring board and the rebound value sensing element of photosignal duct on the sensor housing, it is characterized in that said vernier guide rod [4] has rib, vernier [5] go up in order to the shape of cross section that is installed in the hole on the vernier guide rod and vernier similar and vernier guide rod with the shape of cross section of vernier guide rod mutually activity cooperate.
4, digital rebound tester as claimed in claim 3 is characterized in that the xsect of said vernier guide rod [4] is polygonal.
5, digital rebound tester as claimed in claim 4 is characterized in that the xsect of said vernier guide rod [4] is a regular polygon.
6,, it is characterized in that the inwall in the hole that said vernier [5] and vernier guide rod [4] match has the groove parallel with the vernier guide rod as claim 3 or 4 or 5 described digital rebound testers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208209 CN2639877Y (en) | 2003-08-28 | 2003-08-28 | Digital rebound meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208209 CN2639877Y (en) | 2003-08-28 | 2003-08-28 | Digital rebound meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2639877Y true CN2639877Y (en) | 2004-09-08 |
Family
ID=34288605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03208209 Expired - Lifetime CN2639877Y (en) | 2003-08-28 | 2003-08-28 | Digital rebound meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2639877Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293377C (en) * | 2004-11-19 | 2007-01-03 | 舟山市博远科技开发有限公司 | Resiliometer casing |
| CN101329240B (en) * | 2008-06-23 | 2010-11-17 | 舟山市博远科技开发有限公司 | Digital rebound tester |
| CN105259062A (en) * | 2015-11-10 | 2016-01-20 | 李正潮 | Calibration rebound device |
-
2003
- 2003-08-28 CN CN 03208209 patent/CN2639877Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293377C (en) * | 2004-11-19 | 2007-01-03 | 舟山市博远科技开发有限公司 | Resiliometer casing |
| CN101329240B (en) * | 2008-06-23 | 2010-11-17 | 舟山市博远科技开发有限公司 | Digital rebound tester |
| CN105259062A (en) * | 2015-11-10 | 2016-01-20 | 李正潮 | Calibration rebound device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130828 Granted publication date: 20040908 |