CN204924799U - Vertical pulling method detects concrete tensile strength's device - Google Patents
Vertical pulling method detects concrete tensile strength's device Download PDFInfo
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- CN204924799U CN204924799U CN201520688792.6U CN201520688792U CN204924799U CN 204924799 U CN204924799 U CN 204924799U CN 201520688792 U CN201520688792 U CN 201520688792U CN 204924799 U CN204924799 U CN 204924799U
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000007906 compression Methods 0.000 claims description 19
- 210000000078 claw Anatomy 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a vertical pulling method detects concrete tensile strength's device, it includes the support body, and the upper portion of support body is provided with draws the pressure sensor, draws the lower part of pressing the sensor to be provided with clamping device, and clamping device is connected with force means, and clamping device includes the relative jack catch mechanism that sets up of two vertical directions in edge, and the jack catch mechanism of upside is provided with universal joint between the pressure sensor with drawing, and the jack catch mechanism and the force means of downside are connected, the axis of two jack catch mechanisms is located same straight line for the component problem because of not centering production has been avoided to centering about two jack catch mechanisms, and when there was the appearance problem in the core appearance of awaiting measuring, universal joint can improve the measuring accuracy at automatically regulated clamping device under the tensile force so that two jack catch mechanisms keep centering from top to bottom, the utility model discloses a device can directly obtain the tensile strength of concrete, do not need to convert, and to core appearance require lowerly, need not use the grinding apparatus, alleviateed intensity of labour, improved the measuring precision.
Description
Technical field
The utility model relates to concrete strength inspection technical field, particularly relates to the device that a kind of vertical pulling method detects concrete tensile strength.
Background technology
Concrete strength inspection technology is indispensable technological means in Engineering Quality Control process, and concrete tensile strength and compressive strength are two important technical indicators in xoncrete structure, be design, construction, the important evidence of checking and accepting, using.The Technical comparing of current detection concrete crushing strength is ripe, and as tensile strength important in concrete, because test technology is complicated, die trial is heavy, labour intensity is high, application is not very universal, adopt split the law to detect cleavage strength to need just can obtain real concrete tensile strength by converting, very inconvenient.Therefore be necessary that research and development one does not need to convert, directly can obtain the device of concrete tensile strength.
Utility model content
The purpose of this utility model is to provide a kind of vertical pulling method to detect the device of concrete tensile strength, it adopts the method for vertical pulling directly to obtain concrete tensile strength, do not need data reduction, and it is lower to the requirement of core, do not need to use grinding tool, alleviate labour intensity, improve the precision of measurement simultaneously.
For reaching this object, the utility model by the following technical solutions:
Vertical pulling method detects the device of concrete tensile strength, comprise support body and data collector, the top of support body is provided with tension-compression sensor, tension-compression sensor is connected with data collector, the bottom of tension-compression sensor is provided with clamping device, clamping device is connected with the augmentor for driving it vertically to move, clamping device comprises two click-on mechanism be vertically oppositely arranged, the axis of two click-on mechanism is located on the same line, universal joint is provided with between the click-on mechanism of upside and tension-compression sensor, the click-on mechanism of downside is connected with augmentor.
Wherein, augmentor comprises the worm gear be connected with clamping device, the worm screw be meshed with worm gear and for driving the drive unit of worm movement.
Wherein, drive unit is afterburning handle, and the quantity of afterburning handle is two, and two afterburning handles lay respectively at the two ends of worm screw.
Wherein, drive unit is drive motor.
Wherein, augmentor is hydraulic mechanism.
Wherein, click-on mechanism comprises lift block, shaft collar, jaw components and linkage assembly, lift block, shaft collar are all connected by linkage assembly with jaw components, lift block is connected with demarcation fast joint, the lift block of the click-on mechanism of upside is fixedly connected with universal joint, and the lift block of the click-on mechanism of downside is fixedly connected with augmentor.
Wherein, the quantity of linkage assembly and jaw components is three, and three jaw components arrange ringwise and form cylindric clamp assemblies.
Wherein, jaw components comprises collet sleeve and is arranged on the arc clamping head inside collet sleeve, collet sleeve comprises arc clamping part and is arranged on the claw connecting link of lateral wall of arc clamping part, the internal diameter of arc clamping part is equal with the external diameter of arc clamping head, and the madial wall of arc clamping head is provided with anti-skid structure.
Wherein, linkage assembly comprises force-guided stem, the arm of force and balance stem, one end and the lift block of force-guided stem are hinged, the other end of force-guided stem and the upper articulation of the arm of force, the middle part of the arm of force is hinged on shaft collar, the lower hinge of the arm of force is in the outer end of claw connecting link, and the upper end thereof of balance stem is on shaft collar, and the lower end of balance stem is hinged on the inner of claw connecting link.
The beneficial effects of the utility model: vertical pulling method detects the device of concrete tensile strength, comprise support body and data collector, the top of support body is provided with tension-compression sensor, tension-compression sensor is connected with data collector, the bottom of tension-compression sensor is provided with clamping device, clamping device is connected with the augmentor for driving it vertically to move, clamping device comprises two click-on mechanism be vertically oppositely arranged, the axis of two click-on mechanism is located on the same line, universal joint is provided with between the click-on mechanism of upside and tension-compression sensor, the click-on mechanism of downside is connected with augmentor.Two click-on mechanism be oppositely arranged are for clamping core to be measured, the axis of two click-on mechanism is located on the same line, make two upper and lower centerings of click-on mechanism, avoid the component problem because misaligning generation, when there is appearance problem in core to be measured, universal joint can regulate clamping device under a stretching force automatically, makes two click-on mechanism keep upper and lower centering, improves the accuracy of measurement data.Vertical pulling method of the present utility model detects the device of concrete tensile strength, can directly obtain concrete tensile strength, not need data reduction, and lower to the requirement of core, does not need to use grinding tool, alleviates labour intensity, improves the precision of measurement simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view that vertical pulling method of the present utility model detects the device of concrete tensile strength.
Fig. 2 is the left view that vertical pulling method of the present utility model detects the device of concrete tensile strength.
Fig. 3 is the front view of Worm and worm-wheel gearing of the present utility model.
Fig. 4 is the vertical view of Worm and worm-wheel gearing of the present utility model.
Fig. 5 is the perspective view of click-on mechanism of the present utility model.
Fig. 6 is the structural representation of click-on mechanism of the present utility model.
Fig. 7 is the cut-open view of AA section in Fig. 6.
Fig. 8 is the perspective view of collet sleeve of the present utility model.
Fig. 9 is the perspective view of arc clamping head of the present utility model.
Reference numeral is as follows:
1-support body; 2-tension-compression sensor; 3-click-on mechanism; 31-lift block; 32-demarcates fast joint; 33-shaft collar; 34-jaw components; 341-collet sleeve; 3411-arc clamping part; 3412-claw connecting link; 342-arc clamping head; 3421-anti-skid structure; 35-force-guided stem; The 36-arm of force; 37-balance stem; 4-augmentor; 41-worm gear; 42-worm screw; The afterburning handle of 43-; 5-universal joint; 10-core
Embodiment
The technical solution of the utility model is further illustrated by specific embodiment below in conjunction with Fig. 1 to Fig. 9.
As depicted in figs. 1 and 2, vertical pulling method detects the device of concrete tensile strength, comprise support body 1 and data collector, the top of support body 1 is provided with tension-compression sensor 2, tension-compression sensor 2 is connected with data collector, the bottom of tension-compression sensor 2 is provided with clamping device, clamping device is connected with the augmentor 4 for driving it vertically to move, clamping device comprises two click-on mechanism be vertically oppositely arranged 3, the axis of two click-on mechanism 3 is located on the same line, universal joint 5 is provided with between the click-on mechanism 3 of upside and tension-compression sensor 2, the click-on mechanism 3 of downside is connected with augmentor 4.Tension-compression sensor 2 can Real-time Collection pulling force data, and by the data feedback that gathers to data collector; Two click-on mechanism be oppositely arranged 3 are located on the same line for the axis clamping core to be measured 10, two click-on mechanism 3, making two click-on mechanism about 3 centerings, avoiding the component problem because misaligning generation; When core 10 to be measured exists appearance problem, universal joint 5 can regulate clamping device under a stretching force automatically, makes two click-on mechanism 3 keep upper and lower centering, eliminates systematic error, improve the accuracy of measurement data.Vertical pulling method of the present utility model detects the device of concrete tensile strength, adopts the method for vertical pulling directly to obtain concrete tensile strength, does not need data reduction, and it is lower to the requirement of core 10, do not need to use grinding tool, alleviate labour intensity, improve the precision of measurement simultaneously.
In the present embodiment, augmentor 4 comprises the worm gear 41 be connected with clamping device, the worm screw 42 be meshed with worm gear 41 and the drive unit for driving worm screw 42 to move, as shown in Figure 3 and Figure 4.Preferably, drive unit is afterburning handle 43, and the quantity of afterburning handle 43 is two, and two afterburning handles 43 lay respectively at the two ends of worm screw 42, as shown in Figure 2.In other embodiments, drive unit also can adopt drive motor, and augmentor 4 also can select hydraulic mechanism.
In the present embodiment, click-on mechanism 3 comprises lift block 31, shaft collar 33, claw 34 assembly and linkage assembly, lift block 31, shaft collar 33 are all connected by linkage assembly with claw 34 assembly, lift block 31 is connected with demarcates fast joint 32, the lift block 31 of the click-on mechanism 3 of upside is fixedly connected with universal joint 5, the lift block 31 of the click-on mechanism 3 of downside is fixedly connected with augmentor 4, as shown in Figure 2 and Figure 6.Preferably, the quantity of linkage assembly and claw 34 assembly is three, and three jaw components 34 arrange ringwise and form cylindric clamp assemblies; Further preferably, demarcating fast joint 32 is T connector, and lift block 31 is threaded connection with demarcation fast joint 32.Demarcate the calibration that fast joint 32 can carry out this device, the demarcation fast joint 32 of the fast joint of self-correcting instrument and this device is locked, the handle rotating self-correcting instrument produces pulling force, when value of thrust reaches conventional greatest measure scope, read the pulling force numerical value of self-correcting instrument as demarcation counterweight numerical value, and this numerical value is placed in this device according to the requirement of demarcating menu completes self-correcting.
In the present embodiment, as shown in Figure 7 to 9, the arc clamping head 342 that jaw components 34 comprises collet sleeve 341 and is arranged on inside collet sleeve 341, collet sleeve 341 comprises arc clamping part 3411 and is arranged on the claw connecting link 3412 of lateral wall of arc clamping part 3411, the internal diameter of arc clamping part 3411 is equal with the external diameter of arc clamping head 342, and the madial wall of arc clamping head 342 is provided with anti-skid structure 3421, and anti-skid structure 3421 can increasing friction force, avoid slippage occurs, improve the fiduciary level of clamping.Preferably, anti-skid structure 3421 is arranged on the bottom of the madial wall of arc clamping head 342; Further preferably, arc clamping part 3411 and arc clamping head 342 are bolted to connection, and to be convenient for changing the arc clamping head 342 of different inner diameters, the internal diameter of arc clamping head 342 can be selected as required, to clamp the core 10 of different-diameter.
In the present embodiment, as shown in Fig. 5 to Fig. 8, linkage assembly comprises force-guided stem 35, the arm of force 36 and balance stem 37, one end and the lift block 31 of force-guided stem 35 are hinged, the other end of force-guided stem 35 and the upper articulation of the arm of force 36, the middle part of the arm of force 36 is hinged on shaft collar 33, and the lower hinge of the arm of force 36 is in the outer end of claw connecting link 3412, the upper end thereof of balance stem 37 is on shaft collar 33, and the lower end of balance stem 37 is hinged on the inner of claw connecting link 3412.Click-on mechanism 3 has the function automatically regulating radial clamping force, under the acting force of augmentor 4, two click-on mechanism 3 produce the contrary pulling force of motion, pulling force is changed into the radial forces of jaw components 34 by lift block 31 by linkage assembly, to clamp core 10 to be measured, when pulling force becomes large gradually, the clamping force of claw 34 assembly to core 10 also increases thereupon, until broken by core 10.
Vertical pulling method is adopted to detect concrete tensile strength, need prefabricated core to be measured 10, according to testing requirements, the diameter of core 10 can be Φ 100mm, Φ 70mm, Φ 44mm etc., also core drill can be adopted to drill core 10 test specimen of certain specification at structure scene, cut out standard length (120mm-150mm), again core 10 is mounted in click-on mechanism 3 and clamps, afterburning by augmentor 4, click-on mechanism 3 has the function automatically regulating radial clamping force, draw tighter and tighter, finally core 10 is broken, the tension-compression sensor 2 be connected with clamping device gathers maximal force when core 10 is pulled off, and maximal force is fed back to data collector, 1N can be accurate to.
The maximum gauge detecting core 10 of the present utility model is 100mm, is highly 150mm, and its maximum volume is 1177500mm
2, contrast the test cube of 150mm × 150mm of the prior art × 150mm, its volume is 3375000mm
2namely adopting device of the present utility model to complete, a concrete tensile test only needs concrete standard test block volume about 35%, there is significant effects of energy saving and emission reduction, change core 10 in concrete tensile test to need to be designed to the little pattern in large centre, two simultaneously, make tension face be shaping mould.
Vertical pulling method of the present utility model detects the device of concrete tensile strength, the method of vertical pulling is adopted directly to obtain concrete tensile strength, do not need data reduction, and it is lower to the requirement of core 10, do not need to use grinding tool, alleviate labour intensity, eliminate systematic error simultaneously, improve the precision of measurement.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (9)
1. vertical pulling method detects the device of concrete tensile strength, comprise support body (1) and data collector, it is characterized in that, the top of described support body (1) is provided with tension-compression sensor (2), described tension-compression sensor (2) is connected with described data collector, the bottom of described tension-compression sensor (2) is provided with clamping device, described clamping device is connected with the augmentor (4) for driving it vertically to move, described clamping device comprises two click-on mechanism be vertically oppositely arranged (3), the axis of two described click-on mechanism (3) is located on the same line, universal joint (5) is provided with between the described click-on mechanism (3) of upside and described tension-compression sensor (2), the described click-on mechanism (3) of downside is connected with described augmentor (4).
2. device according to claim 1, it is characterized in that, described augmentor (4) comprises the worm gear (41) be connected with described clamping device, the worm screw (42) be meshed with described worm gear (41) and the drive unit for driving described worm screw (42) to move.
3. device according to claim 2, it is characterized in that, described drive unit is afterburning handle (43), and the quantity of described afterburning handle (43) is two, and two described afterburning handles (43) lay respectively at the two ends of described worm screw (42).
4. device according to claim 2, is characterized in that, described drive unit is drive motor.
5. device according to claim 1, is characterized in that, described augmentor (4) is hydraulic mechanism.
6. device according to claim 1, it is characterized in that, described click-on mechanism (3) comprises lift block (31), shaft collar (33), jaw components (34) and linkage assembly, described lift block (31), described shaft collar (33) is all connected by described linkage assembly with described jaw components (34), described lift block (31) is connected with demarcates fast joint (32), the described lift block (31) of the described click-on mechanism (3) of upside is fixedly connected with described universal joint (5), the described lift block (31) of the described click-on mechanism (3) of downside is fixedly connected with described augmentor (4).
7. device according to claim 6, is characterized in that, the quantity of described linkage assembly and described jaw components (34) is three, and three described jaw components (34) arrange ringwise and form cylindric clamp assemblies.
8. device according to claim 6, it is characterized in that, described jaw components (34) comprises collet sleeve (341) and is arranged on the arc clamping head (342) of described collet sleeve (341) inner side, described collet sleeve (341) comprises arc clamping part (3411) and is arranged on the claw connecting link (3412) of lateral wall of described arc clamping part (3411), the internal diameter of described arc clamping part (3411) is equal with the external diameter of described arc clamping head (342), the madial wall of described arc clamping head (342) is provided with anti-skid structure (3421).
9. device according to claim 8, it is characterized in that, described linkage assembly comprises force-guided stem (35), the arm of force (36) and balance stem (37), one end and the described lift block (31) of described force-guided stem (35) are hinged, the other end of described force-guided stem (35) and the upper articulation of the described arm of force (36), the middle part of the described arm of force (36) is hinged on described shaft collar (33), the lower hinge of the described arm of force (36) is in the outer end of described claw connecting link (3412), the upper end thereof of described balance stem (37) is on described shaft collar (33), the lower end of described balance stem (37) is hinged on the inner of described claw connecting link (3412).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520688792.6U CN204924799U (en) | 2015-09-07 | 2015-09-07 | Vertical pulling method detects concrete tensile strength's device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520688792.6U CN204924799U (en) | 2015-09-07 | 2015-09-07 | Vertical pulling method detects concrete tensile strength's device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067440A (en) * | 2015-09-07 | 2015-11-18 | 建研科技股份有限公司 | Device and method for detecting tensile strength of concrete by Czochralski method |
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- 2015-09-07 CN CN201520688792.6U patent/CN204924799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067440A (en) * | 2015-09-07 | 2015-11-18 | 建研科技股份有限公司 | Device and method for detecting tensile strength of concrete by Czochralski method |
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Effective date of registration: 20170113 Address after: 100013 Beijing, North Third Ring Road, No. 30 East Road, Chaoyang District Patentee after: CABR Technology Co., Ltd. Address before: 100013 Beijing, North Third Ring Road, No. 30 East Road, Chaoyang District Patentee before: CABR Technology Co., Ltd. Patentee before: In the Construction of Hospital Building Technology |