CN202903621U - Shear detector used for detecting shear strength of waterproof layer - Google Patents
Shear detector used for detecting shear strength of waterproof layer Download PDFInfo
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- CN202903621U CN202903621U CN 201220618675 CN201220618675U CN202903621U CN 202903621 U CN202903621 U CN 202903621U CN 201220618675 CN201220618675 CN 201220618675 CN 201220618675 U CN201220618675 U CN 201220618675U CN 202903621 U CN202903621 U CN 202903621U
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- push rod
- detector
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- shearing
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Abstract
The utility model relates to a shear detector used for detecting the shear strength of a waterproof layer. The shear detector comprises a measuring device and a display, wherein the measuring device comprises a motor, a shear stress rod, a force value sensor and a controller, the display is connected with the controller, and the controller is also capable of receiving force value information of the force value sensor and displaying detection results by the display. The shear detector further comprises a push rod and a sleeve, wherein the push rod is used for pushing a test piece, and the sleeve is fixed on a support and is sued for supporting the push rod; and the push rod penetrates into the sleeve in a sliding mode, the left end of the push rod is connected with the force value sensor, and the right end of the push rod butts against the test piece. According to the shear detector provided by the utility model, the shrink stroke of the shear stress rod is shortened, the phenomenon that the stress displacement of the shear stress rod is generated under the action of the self weight of the shear stress rod is reduced, the problem that the stress on the test piece in the horizontal direction is dispersed is efficiently reduced, and the accuracy of the detection results is enhanced.
Description
Technical field
The utility model belongs to waterproof material checkout equipment field, is specifically related to a kind of shearing detector for detection of the water barrier shear resistance.
Background technology
Shear detector, it is mainly used in the detection of various waterproof roll shear resistances.For example, the detection of road pavement bridge coiled material and coating and basic unit's cutting performance, at present, the shearing detector that adopts as shown in Figure 1, it mainly comprises the measurement mechanism (2 ') that is fixedly installed on the horizontal seat (1 ＇) and is communicated with measurement mechanism (2 ＇) and can shows the display (3 ') that detects data that wherein measurement mechanism (2 ＇) comprises motor (20 '), controlled the shear stress bar (21 ') that can stretch by motor (20 '), be arranged on the power value sensor (23 ') of shear stress bar (21 ') end and the controller (22 ') of control motor (20 ') work.Display (3 ') be connected with controller (22 '), the power value information that controller (22 ') can also reception value sensor (23 ') also shows testing result by display (3 ').Concrete operations are, set the translational speed that detects the shear stress bar at display (3 '), and pass the signal along in the controller (22 '), work by controller (22 ') reception information and drive motor (20 '), promoting shear stress bar (21 ') conflicts on detection test specimen (4 '), until the destruction of test specimen (4 '), show at last the shear resistance of this check point test specimen at display (3 ').Yet, after above-mentioned motor (20 ') work, owing to detect the corresponding distance that is provided with of test specimen (4 ') and measurement mechanism (2 ＇), shear stress bar (21 ') is subjected to effect of weight, slightly offset downward, like this so that stressed dispersion of test specimen (4 ') horizontal direction will directly affect the accuracy of testing result.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of shearing detector for detection of the water barrier shear resistance is provided.
For solving the problems of the technologies described above, the utility model is taked following technical scheme:
A kind of shearing detector for detection of the water barrier shear resistance, it comprises measurement mechanism, the display that is fixedly installed on the horizontal seat, wherein measurement mechanism comprises controller, the shear stress bar that can stretch by the motor of controller control running, by Electric Machine Control, the power value sensor that is arranged on the shear stress boom end, display is connected with controller, is used for showing testing result; Controller can reception value sensor signal and testing result is sent to display, particularly, shearing detector also comprises push rod for the pushing tow test specimen, is fixed on the sleeve that is used for supporting push rod on the bearing, push rod passes in the sleeve slidably, and the push rod left part is connected on the power value sensor, conflicts on test specimen in the right part.
Preferably, sleeve comprise have push rod pass the hole cylindrical shell, be arranged on a plurality of balls of hole inwall along the length direction of cylindrical shell, described a plurality of balls are conflicted in the periphery of push rod.Reduce push rod suffered friction force when horizontal shifting.
Preferably, the right part of push rod also is provided with the draw-in groove piece that can be fastened on the test specimen.Prevent test specimen discontinuity in testing process, improve the accuracy that affects testing result.
Further, preferably the material of draw-in groove piece is steel.
The enforcement concrete according to the utility model, the bar footpath of shear stress bar and push rod is identical, and the bar core is on the same straight line, guarantees that the acting force of shear stress bar and push rod is on the same straight line.
According to concrete enforcement of the utility model, shear detector also comprise two ends conflict respectively fixing with reference to the flexible reinforcing rod on body and the measurement mechanism, be used for showing the quick union that the display that detects data is connected with measurement mechanism.More stable measurement mechanism is fixed on the horizontal seat of flexible reinforcing rod wherein brings uncertain factor and adopt quick union can reduce the wire harness that is used for connection measurement mechanism and controller, for example, easy short circuit, wears out for a long time, opens circuit etc.
Preferably, display also has the work system that storage detects data, makes things convenient for inquiry and the contrast of testing result.
Because the enforcement of above technical scheme, the utility model compared with prior art has following advantage:
Shearing detector of the present utility model shortens the flexible stroke of shear stress bar, by power value sensor the shear stress bar is connected with the push rod with strong point, conflicted on workpiece by push rod, reduce the shear stress bar to be subjected to effect of weight and produce the phenomenon of stress deviation, effectively reduce the force dispersion problem of test specimen horizontal direction, improve the accuracy of testing result.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing and specific embodiment.
Fig. 1 is the structural representation according to the shearing detector of prior art;
Fig. 2 is the structural representation according to shearing detector of the present utility model;
Wherein: 1,1 ＇, bearing; 2,2 ＇, measurement mechanism; 20,20 ＇, motor; 21,21 ＇, shear stress bar; 22,22 ＇, controller; 23,23 ＇, power value sensor; 3,3 ＇, display; 4,4 ＇, test specimen; 5, push rod; 7, sleeve; 70, hole; 71, cylindrical shell; 72, ball; 8, fixing with reference to body; 9, flexible reinforcing rod; 10, quick union.
Embodiment
As shown in Figure 2, according to the shearing detector for detection of the water barrier shear resistance of present embodiment, it comprises the measurement mechanism 2 that is fixedly installed on the horizontal seat 1, display 3, is used for the push rod 5 of pushing tow test specimen 4 and is fixed on the sleeve 7 that is used for supporting push rod 5 on the bearing 1.
In sum, shearing detector of the present utility model shortens the flexible stroke of shear stress bar, by power value sensor the shear stress bar is connected with the push rod with strong point, conflicted on workpiece by push rod, reduce the shear stress bar to be subjected to effect of weight and produce the phenomenon of stress deviation, effectively reduce the force dispersion problem of test specimen horizontal direction, improve the accuracy of testing result.
More than the utility model has been done detailed description; its purpose is to allow the personage that is familiar with this art can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in the protection domain of the present utility model
Claims (7)
1. shearing detector for detection of the water barrier shear resistance, described shearing detector comprises measurement mechanism (2), the display (3) that is fixedly installed on the horizontal seat (1), described measurement mechanism (2) comprises controller (22), the shear stress bar (21) that can stretch by the motor (20) of described controller (22) control running, by described motor (20) control, the power value sensor (23) that is arranged on shear stress bar (21) end, described display (3) is connected with described controller (22), is used for showing testing result; Described controller (22) can receive the signal of described power value sensor (23) and testing result is sent to described display (3), it is characterized in that: described shearing detector also comprises push rod (5) for pushing tow test specimen (4), is fixed on the upper sleeve (7) that is used for supporting described push rod (5) of described bearing (1), described push rod (5) passes in the described sleeve (7) slidably, and described push rod (5) left part is connected on the described power value sensor (23), conflicts on described test specimen (4) in the right part.
2. the shearing detector for detection of the water barrier shear resistance according to claim 1, it is characterized in that: described sleeve (7) comprise have described push rod (5) pass hole (70) cylindrical shell (71), be arranged on a plurality of balls (72) of described hole (70) inwall along the length direction of described cylindrical shell (71), described a plurality of balls (72) are conflicted in the periphery of described push rod (5).
3. the shearing detector for detection of the water barrier shear resistance according to claim 1, it is characterized in that: the right part of described push rod (5) also is provided with the draw-in groove piece (50) that can be fastened on the described test specimen (4).
4. the shearing detector for detection of the water barrier shear resistance according to claim 3, it is characterized in that: the material of described draw-in groove piece (50) is steel.
5. the shearing detector for detection of the water barrier shear resistance according to claim 1 is characterized in that: described shear stress bar (21) is identical with the bar footpath of described push rod (5), and the bar core is on the same straight line.
6. the shearing detector for detection of the water barrier shear resistance according to claim 1 is characterized in that: described shearing detector comprises that also two ends conflict respectively fixing with reference to the flexible reinforcing rod (9) on body (8) and the described measurement mechanism (2), for the quick union (10) that described display (3) is connected with described measurement mechanism (2).
7. the shearing detector for detection of the water barrier shear resistance according to claim 1 is characterized in that: described display (3) also has the work system of storage data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618675 CN202903621U (en) | 2012-11-21 | 2012-11-21 | Shear detector used for detecting shear strength of waterproof layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618675 CN202903621U (en) | 2012-11-21 | 2012-11-21 | Shear detector used for detecting shear strength of waterproof layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903621U true CN202903621U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220618675 Expired - Lifetime CN202903621U (en) | 2012-11-21 | 2012-11-21 | Shear detector used for detecting shear strength of waterproof layer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698230A (en) * | 2013-12-11 | 2014-04-02 | 攀钢集团西昌钢钒有限公司 | Manual detection device for anti-shearing force of tamping briquette |
| CN105119419A (en) * | 2015-09-25 | 2015-12-02 | 北京万阳天力新能源科技有限公司 | Open type electric push rod |
| CN109580385A (en) * | 2018-11-16 | 2019-04-05 | 北京东方雨虹防水技术股份有限公司 | Waterproof layer resists the test equipment and its test method of underground engineering valve pit subsidence |
| CN112393834A (en) * | 2020-12-01 | 2021-02-23 | 郑州铁路职业技术学院 | Internal stress monitoring system for railway bridge |
| CN113324853A (en) * | 2021-05-28 | 2021-08-31 | 中国建筑第八工程局有限公司 | Shear deformation detection device and detection method thereof |
-
2012
- 2012-11-21 CN CN 201220618675 patent/CN202903621U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698230A (en) * | 2013-12-11 | 2014-04-02 | 攀钢集团西昌钢钒有限公司 | Manual detection device for anti-shearing force of tamping briquette |
| CN103698230B (en) * | 2013-12-11 | 2016-06-08 | 攀钢集团西昌钢钒有限公司 | Tamping briquette anti-shearing force manual detection device |
| CN105119419A (en) * | 2015-09-25 | 2015-12-02 | 北京万阳天力新能源科技有限公司 | Open type electric push rod |
| CN109580385A (en) * | 2018-11-16 | 2019-04-05 | 北京东方雨虹防水技术股份有限公司 | Waterproof layer resists the test equipment and its test method of underground engineering valve pit subsidence |
| CN109580385B (en) * | 2018-11-16 | 2022-03-18 | 北京东方雨虹防水技术股份有限公司 | Test equipment and test method for resisting underground engineering settlement damage of waterproof layer |
| CN112393834A (en) * | 2020-12-01 | 2021-02-23 | 郑州铁路职业技术学院 | Internal stress monitoring system for railway bridge |
| CN113324853A (en) * | 2021-05-28 | 2021-08-31 | 中国建筑第八工程局有限公司 | Shear deformation detection device and detection method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |