CN104297074A - Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar - Google Patents
Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar Download PDFInfo
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- CN104297074A CN104297074A CN201410594819.5A CN201410594819A CN104297074A CN 104297074 A CN104297074 A CN 104297074A CN 201410594819 A CN201410594819 A CN 201410594819A CN 104297074 A CN104297074 A CN 104297074A
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Abstract
The invention relates to an anti-bending testing machine for microcomputer screen displaying cement colloidal mortar. The anti-bending testing machine comprises a base, wherein an upper beam is connected onto the base through an upright post; a large lever is supported by the left end of the upper beam; a transmission screw rod is mounted at the lower end of the large lever; one end of the transmission screw rod is connected with a servomotor; the left end of the large lever is connected with a counter weight; the right end of the large lever is connected with a walking weight in a sliding manner; the lower end of the walking weight is in threaded connection with the transmission screw rod; the anti-bending testing machine is characterized in that an anti-bending mechanism is hung on the large lever through a third knife edge frame; the anti-bending mechanism comprises an upper pull rod and a lower pull rod, which are connected to the lower end of the third knife edge frame; a pulling force sensor is connected between the upper pull rod and the lower pull rod; a first knife edge frame is connected with the lower end of the lower pull rod; the first knife edge frame is connected with the left end of a small lever; the right end of the small lever is hung on the lower side of the upper beam; a fracture-resistant bending clamp is connected onto the small lever; the output end of the pulling force sensor is connected with a acquisition instrument; the output end of the acquisition instrument is connected with a computer; the output end of the computer is connected with a printer. Through the adoption of the anti-bending testing machine, the force value and intensity can be directly displayed and output.
Description
Technical field
The present invention relates to a kind of computer on-screen bending testing machine for cement mortar, especially a kind of testing machine for the inspection of cement bright degumming glue sand rupture strength, and the rupture strength inspection of other nonmetal hard brittle materials can be done, belong to metering outfit technical field.
Background technology
In prior art, the anti-folding machine of cement mortar mainly contains electric bending testing machine and digital display folding resistant test device two kinds.Electric bending testing machine reading numerical values is cumbersome, has error.Digital display folding resistant test device stored data is less, can not show force value N and intensity MPa simultaneously, intuitively can not show trial curve, directly cannot print test report, and connecting with computing machine needs networking protocol and software, comparatively bothers.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of computer on-screen bending testing machine for cement mortar, can show force value N and intensity MPa simultaneously, directly can generate test report, data straight-forward network is uploaded.
According to technical scheme provided by the invention, a kind of computer on-screen bending testing machine for cement mortar, comprises base, and base center connects upper beam by column, and upper beam left end is by the second blade frame supporting big lever, and upper beam right-hand member fixes buffing pad; Drive lead screw is installed by bearing seat in described big lever lower end, and one end of drive lead screw connects servomotor, and drive lead screw and big lever are parallel to each other; The left end of described big lever connects balanced weight, and balanced weight connects little counterbalance weight by connecting screw rod, and the right-hand member of big lever is slidably connected travelling counterweight, and travelling counterweight lower end is threaded with drive lead screw; It is characterized in that: on described big lever, mount Kang Zhe mechanism by the 3rd blade frame, Kang Zhe mechanism comprises the upper connecting rod and lower link that are connected to the 3rd blade frame lower end, pulling force sensor is connected between upper connecting rod and lower link, lower link lower end connects the first blade frame, first blade frame connects the left end of small lever, and the right-hand member of small lever hangs on the downside of upper beam by four blade ball frame; Described small lever connects bend-proof clamp by the 5th blade frame; Install the Acquisition Instrument gathering pulling force sensor data in described base side, the output terminal of Acquisition Instrument connects computing machine, and the output terminal of computing machine connects printer.
Further, described bend-proof clamp comprises tries to stop people from fighting each other, on the upper end of trying to stop people from fighting each other be fixedly connected with block, contiguous block upper end connects the 5th blade frame by latch, on try to stop people from fighting each other and connect lower tie frame by loading axle, lower tie frame lower end connects tries to stop people from fighting each other crossbeam, and crossbeam lower end of trying to stop people from fighting each other connects handwheel, handwheel is threaded connection screw rod, and screw rod lower end is arranged in the second nut.
Further, described second nut is arranged on base.
Further, angle indicator board is raised in described second blade frame upper surface connection.
Further, described base is provided with the first nut, appliance controller is fixed in base one end.
The present invention by high precision pull sensor dynamometry, and passes to Acquisition Instrument and makes data acquisition process, completes demarcation, verification and experiment process control by computing machine, stored data amount is larger, show N and MPa simultaneously, directly can generate test report, data straight-forward network is uploaded.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of described bend-proof clamp.
Fig. 3 is theory diagram of the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Fig. 1 ~ Fig. 2: as described in computer on-screen bending testing machine for cement mortar comprise base 1, handwheel 2, lower tie frame 3, loading axle 4, bend-proof clamp 5, first blade frame 6, second blade frame 7, lower link 8, pulling force sensor 9, upper connecting rod 10, servomotor 11, little counterbalance weight 12, buffing pad 13, first nut 14, balanced weight 15, connecting screw rod 16, big lever 17, raise angle indicator board 18, travelling counterweight 19, drive lead screw 20, small lever 21, upper beam 22, column 23, scale 24, electric appliance control box 25, second nut 26, Acquisition Instrument 27, computing machine 28, printer 29, 3rd blade frame 30, 4th blade frame 31, 5th blade frame 32, on try to stop people from fighting each other 33, latch 34, contiguous block 35, to try to stop people from fighting each other crossbeam 36, screw rod 37 etc.
As shown in Figure 1, the present invention includes base 1, base 1 center connects upper beam 22 by column 23, and upper beam 22 left end supports big lever 17 by the second blade frame 7, and upper beam 22 right-hand member fixes buffing pad 13; Drive lead screw 20 is installed by bearing seat in described big lever 17 lower end, and one end of drive lead screw 20 connects servomotor 11, and drive lead screw 20 and big lever 17 are parallel to each other; The left end of described big lever 17 connects balanced weight 15, balanced weight 15 connects little counterbalance weight 12 by connecting screw rod 16, the right-hand member of big lever 17 is slidably connected travelling counterweight 19, and travelling counterweight 19 lower end is threaded with drive lead screw 20, and the side of big lever 17 is provided with scale 24; Described base 1 is provided with the first nut 14 and the second nut 26, and appliance controller 25 is fixed in base 1 one end;
As shown in Figure 1, described big lever 17 mounts Kang Zhe mechanism by the 3rd blade frame 30, Kang Zhe mechanism comprises the upper connecting rod 10 and lower link 8 that are connected to the 3rd blade frame 30 lower end, pulling force sensor 9 is connected between upper connecting rod 10 and lower link 8, lower link 8 lower end connects the first blade frame 6, first blade frame 6 connects the left end of small lever 21, and the right-hand member of small lever 21 hangs on the downside of upper beam 22 by four blade ball frame 31; Described small lever 21 connects bend-proof clamp 5 by the 5th blade frame 32, as shown in Figure 2, bend-proof clamp 5 comprises tries to stop people from fighting each other 33, on try to stop people from fighting each other 33 upper end be fixedly connected with block 35, contiguous block 35 upper end connects the 5th blade frame 32 by latch 34, above tries to stop people from fighting each other 33 to connect lower tie frame 3 by loading axle 4, lower tie frame 3 lower end connects crossbeam 36 of trying to stop people from fighting each other, try to stop people from fighting each other crossbeam 36 lower end connect handwheel 2, handwheel 2 is threaded connection screw rod 37, and screw rod 37 lower end is arranged in the second nut 26;
As shown in Figure 1, Figure 3, in described base 1 side, Acquisition Instrument 27 is installed, Acquisition Instrument 27 is for adopting the pulling force data of pulling force sensor 9, be connected with the direct-connected Serial Port Line of 9 pin of double end mother between the communication interface of Acquisition Instrument 27 with the serial ports of computing machine 28, the output terminal of computing machine 28 adopts USB data line to connect printer 29, can directly show and output force value and intensity;
As shown in Figure 1, connect at described second blade frame 7 upper surface and raise angle indicator board 18, raise angle indicator board 18 and be used to indicate angle.
The present invention utilizes lever principle, and when double lever uses, maximum lever ratio 50:1, maximum test force is 5000N, and when simple lever uses, maximum test force is 1000N.The course of work of the present invention: rotate the handwheel 37 on bend-proof clamp 5, loading axle 4 on lower tie frame 3 is contacted with test block, and be rotated further certain angle, big lever 17 is had and necessarily raises angle, deflection when data rupture according to test block determines, principle should make big lever 17 be horizontal when being test block fracture as far as possible, and the numerical value raising angle can raise reading on angle indicator board 18.In process of the test, servomotor 11 rotates drive lead screw 20, promotes travelling counterweight 19 and moves to right, machine starts loading, and big lever 17 sinks gradually, and Acquisition Instrument 27 gathers the numerical value that pulling force sensor 9 measures, and being transferred to computing machine 28, computing machine 28 shows the acute curve of test number; When test block is ruptured, computing machine 28 shows the peak value of data, and immediately can export numerical value by printer 29.
The present invention by high precision pull sensor dynamometry, and passes to Acquisition Instrument and makes data acquisition process, completes demarcation, verification and experiment process control by computing machine, stored data amount is larger, show N and MPa simultaneously, directly can generate test report, data straight-forward network is uploaded.
Claims (5)
1. a computer on-screen bending testing machine for cement mortar, comprise base (1), base (1) center connects upper beam (22) by column (23), and upper beam (22) left end is by the second blade frame (7) supporting big lever (17), and upper beam (22) right-hand member fixes buffing pad (13); Drive lead screw (20) is installed by bearing seat in described big lever (17) lower end, and one end of drive lead screw (20) connects servomotor (11), and drive lead screw (20) and big lever (17) are parallel to each other; The left end of described big lever (17) connects balanced weight (15), balanced weight (15) connects little counterbalance weight (12) by connecting screw rod (16), the right-hand member of big lever (17) is slidably connected travelling counterweight (19), and travelling counterweight (19) lower end is threaded with drive lead screw (20); It is characterized in that: on described big lever (17), mount Kang Zhe mechanism by the 3rd blade frame (30), Kang Zhe mechanism comprises the upper connecting rod (10) and lower link (8) that are connected to the 3rd blade frame (30) lower end, pulling force sensor (9) is connected between upper connecting rod (10) and lower link (8), lower link (8) lower end connects the first blade frame (6), first blade frame (6) connects the left end of small lever (21), and the right-hand member of small lever (21) hangs over upper beam (22) downside by four blade ball frame (31); Described small lever (21) connects bend-proof clamp (5) by the 5th blade frame (32); Install the Acquisition Instrument (27) gathering pulling force sensor (9) data in described base (1) side, the output terminal of Acquisition Instrument (27) connects computing machine (28), and the output terminal of computing machine (28) connects printer (29).
2. computer on-screen bending testing machine for cement mortar as claimed in claim 1, it is characterized in that: described bend-proof clamp (5) comprises try to stop people from fighting each other (33), on the try to stop people from fighting each other upper end of (33) be fixedly connected with block (35), contiguous block (35) upper end connects the 5th blade frame (32) by latch (34), on try to stop people from fighting each other (33) by loading axle (4) connect lower tie frame (3), lower tie frame (3) lower end connects crossbeam (36) of trying to stop people from fighting each other, try to stop people from fighting each other crossbeam (36) lower end connect handwheel (2), handwheel (2) is threaded connection screw rod (37), screw rod (37) lower end is arranged in the second nut (26).
3. computer on-screen bending testing machine for cement mortar as claimed in claim 2, is characterized in that: described second nut (26) is arranged on base (1).
4. computer on-screen bending testing machine for cement mortar as claimed in claim 1, is characterized in that: connect at described second blade frame (7) upper surface and raise angle indicator board (18).
5. computer on-screen bending testing machine for cement mortar as claimed in claim 1, it is characterized in that: on described base (1), be provided with the first nut (14), appliance controller (25) is fixed in base (1) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594819.5A CN104297074A (en) | 2014-10-29 | 2014-10-29 | Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594819.5A CN104297074A (en) | 2014-10-29 | 2014-10-29 | Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104297074A true CN104297074A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410594819.5A Pending CN104297074A (en) | 2014-10-29 | 2014-10-29 | Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar |
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| CN (1) | CN104297074A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896027A (en) * | 2017-02-28 | 2017-06-27 | 长安大学 | Simple portable cement gel sand Intensity of Breaking Tester |
| CN109991164A (en) * | 2019-04-23 | 2019-07-09 | 重庆理工大学 | A kind of coating binding force double lever measuring device and its measurement method |
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2014
- 2014-10-29 CN CN201410594819.5A patent/CN104297074A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6064229A (en) * | 1983-09-19 | 1985-04-12 | Shimadzu Corp | Rupture-strength measuring apparatus |
| JPS61130853A (en) * | 1984-11-29 | 1986-06-18 | Hino Motors Ltd | Automatic stopping apparatus for fatigue tester |
| CN86207141U (en) * | 1986-09-23 | 1987-09-09 | 江苏省建筑科学研究所 | Digital displaying multifunctional testing machine of cement colloidal sand |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896027A (en) * | 2017-02-28 | 2017-06-27 | 长安大学 | Simple portable cement gel sand Intensity of Breaking Tester |
| CN109991164A (en) * | 2019-04-23 | 2019-07-09 | 重庆理工大学 | A kind of coating binding force double lever measuring device and its measurement method |
| CN109991164B (en) * | 2019-04-23 | 2022-01-04 | 重庆理工大学 | Coating bonding force double-lever measuring device and measuring method thereof |
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Application publication date: 20150121 |
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