CN203178144U - Cement mortar bending test apparatus with functions of digital display and constant load control - Google Patents
Cement mortar bending test apparatus with functions of digital display and constant load control Download PDFInfo
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- CN203178144U CN203178144U CN2013201712466U CN201320171246U CN203178144U CN 203178144 U CN203178144 U CN 203178144U CN 2013201712466 U CN2013201712466 U CN 2013201712466U CN 201320171246 U CN201320171246 U CN 201320171246U CN 203178144 U CN203178144 U CN 203178144U
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- cement mortar
- bending test
- frame
- main lever
- constant load
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Abstract
The utility model relates to a cement mortar bending test apparatus with functions of digital display and constant load control, and belongs to the technical field of metering equipment. The cement mortar bending test apparatus comprises a base; an upper pull rod is hung on a main lever by virtue of a first blade rack; the lower end of the upper pull rod is connected with a bending fixture connecting mechanism by virtue of a tension sensor; the lower end of the bending fixture connecting mechanism is connected with a bending fixture; an electric cabinet is fixed at one end of the base; the electric cabinet is internally provided with an electronic control circuit; the electronic control circuit consists of a microprocessor, a keyboard input module, an analog-digital (AD) converter, an amplifier, the tension sensor, a digital display screen and a servo motor. The cement mortar bending test apparatus is simple, compact and reasonable in structure, has two measuring ranges, thus being convenient to operate, is high in data accuracy, and can display different force value units according to the need; the functions such as automatic control, data storage, system setting, data query and the like can be realized by the electric cabinet; the different force value units can be displayed according to the need; and the apparatus is provided with a printer, so that the test data can be printed, networked and uploaded.
Description
Technical field
The utility model relate to a kind of can the digital cement mortar bending test device that shows constant load control, be used for cement bright degumming glue sand or other nonmetal hard brittle material rupture strength check specifically, belong to the metering outfit technical field.
Background technology
Before the utility model was made, in the existing procucts technology, the full-automatic anti-folding of cement mortar had only a kind of range at home.The demarcation of testing machine detects, and test figure is all read at scale, and operation bothers than the school.Also the shift value of useful grating demonstration is converted to the power value, but measuring error and trueness error are arranged.Simultaneously, test findings may have mistake by manually copying or import computing machine.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of and can show the cement mortar bending test device that constant load is controlled by number, two kinds of ranges are arranged, by high precision pull sensor dynamometry, and pass to control box and be for data processing, finish demarcation, calibrating and process of the test control, show different power value units as required.
According to the technical scheme that the utility model provides, can digitally show that the cement mortar bending test device of constant load control comprises base, electric cabinet, the base center connects by column puts the beams in place; The blade of upper beam left end by the second blade frame holds and mounts main lever, and right-hand member is buffing pad fixedly.The main lever lower end connects a plurality of bearing seats, by bearing drive lead screw is installed in the bearing seat, and drive lead screw one end connects servomotor, and drive lead screw and main lever are parallel to each other; The described second blade frame upper surface connects raises the angle indicator board, raises indicator board lower end, angle and is provided with and raises angle indication seat; Described main lever left end connects first counterbalance weight, and first counterbalance weight, one end is provided with connecting screw rod, on the connecting screw rod by second counterbalance weight that is threaded; The main lever right-hand member counterweight that moves about that is slidingly connected, the counterweight lower end of moving about is threaded with drive lead screw; The main lever side is provided with main scale, it is characterized in that: mount upper connecting rod by the first blade frame on the main lever, the upper connecting rod lower end connects bend-proof clamp bindiny mechanism by pulling force sensor, bend-proof clamp bindiny mechanism lower end connects bend-proof clamp, and the bend-proof clamp lower end is fixed on the coupling nut on the base by being threaded; Described bend-proof clamp is vertical with base; Described base one end fixedly has electric cabinet; Described base one end fixedly has electric cabinet; Be provided with electronic control circuit in the described electric cabinet, electronic control circuit is made up of pulling force sensor, amplifier, AD converter, microprocessor, keyboard, digital display screen, printer, power supply and AC servo motor; Described pulling force sensor is connected with amplifier, AD converter, microprocessor, printer successively; The input end of microprocessor is connected with AD converter with keyboard respectively, and the output terminal of microprocessor is connected with digital display screen and printer respectively; Described pulling force sensor, amplifier, AD converter, microprocessor, printer are connected with power supply respectively; Described power supply connects AC servo motor.
Further, bend-proof clamp bindiny mechanism comprises second lower link, the 3rd blade frame, inferior lever and four blade sword frame, and second lower link is connected the left end of time lever by the 3rd blade frame, and the right-hand member of inferior lever connects by four blade sword frame puts the beams in place.
Further, bend-proof clamp bindiny mechanism is first lower link.
Further, bend-proof clamp comprise the 5th blade frame, latch, contiguous block, on try to stop people from fighting each other plate, loading axle, alignment sheets, drop-down frame plate, lower tie frame crossbeam, handwheel and screw rod, the 5th blade frame lower end connects contiguous block by latch, the plate of trying to stop people from fighting each other on the contiguous block lower end is fixing, on the plate both sides fixed alignment plate of trying to stop people from fighting each other.On try to stop people from fighting each other and connect drop-down frame plate by the loading axle in the middle of the plate, drop-down frame plate lower end connects the lower tie frame crossbeam.Lower tie frame crossbeam lower end connects handwheel, and handwheel is by the screw rod that is threaded.
Further, the upper beam left end is provided with second buffer stopper.
Further, the main lever bottom righthand side is provided with first buffer stopper.
Compared with the prior art the utility model has the following advantages:
The utility model is simple in structure, compact, reasonable; Two kinds of ranges are arranged, easy and simple to handle; Data accuracy height; Show different power value units as required; Electric cabinet can be realized robotization control, data storage, system's setting, functions such as data query, and show different power value units as required, and be furnished with printer, test figure is uploaded in printable, networking.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model structural representation.
Fig. 3 is the bend-proof clamp structural representation.
Fig. 4 is the electric cabinet fundamental diagram.
Description of reference numerals: 1-base, the 2-column, the 3-electric cabinet, 4-puts the beams in place, the 5-AC servo motor, 6-second counterbalance weight, 7-first counterbalance weight, the 8-main lever, the 9-first blade frame, 10-raises the angle indicator board, the 11-second blade frame, the 12-counterweight that moves about, the 13-main scale, the 14-drive lead screw, 15-first buffer stopper, the 16-bearing seat, the 17-buffing pad, the 18-connecting screw rod, 19-second buffer stopper, 20-raises angle indication seat, the 21-upper connecting rod, the 22-pulling force sensor, 23-bend-proof clamp bindiny mechanism, 24-second lower link, 25-the 3rd blade frame, 26-lever, 27-four blade sword frame, 28-first lower link, the 29-bend-proof clamp, the 30-coupling nut, 31-the 5th blade frame, the 32-latch, the 33-contiguous block, the plate of trying to stop people from fighting each other on the 34-, 35-loading axle, the 36-alignment sheets, the drop-down frame plate of 37-, the drop-down frame plate crossbeam of 38-, the 39-handwheel, the 40-screw rod.
Embodiment
Embodiment during following the utility model is incited somebody to action by reference to the accompanying drawings is further described:
As shown in Figure 1, the utility model mainly comprises base 1, and base 1 center connects by column 2 puts the beams in place 4.The blade of 4 left ends by the second blade frame 11 of putting the beams in place holds and mounts main lever 8, and right-hand member is buffing pad 17 fixedly.Main lever 8 lower ends connect a plurality of bearing seats 16, by bearing drive lead screw 14 are installed in the bearing seat 16, and drive lead screw 14 1 ends connect AC servo motor 5.Described drive lead screw 14 is parallel to each other with main lever 8.Described base 1 one ends are electric cabinet 3 fixedly.
Described main lever 8 left ends connect first counterbalance weight, 7, the first counterbalance weights, 7 one ends and are provided with connecting screw rod 18, on the connecting screw rod 18 by second counterbalance weight 6 that is threaded.The main lever 8 right-hand members counterweight 12 that moves about that is slidingly connected, counterweight 12 lower ends of moving about are threaded with drive lead screw 14.Main lever 8 sides are provided with main scale 13.
Mount upper connecting rod 21 by the first blade frame 9 on the main lever 8, upper connecting rod 21 lower ends connect bend-proof clamp bindiny mechanism 23 by pulling force sensor 22, bend-proof clamp bindiny mechanism 23 lower ends connect bend-proof clamp 29, and bend-proof clamp 29 lower ends are fixed on the coupling nut 30 on the base 1 by being threaded.Described bend-proof clamp 29 is vertical with base 1.
As shown in Figure 3, described bend-proof clamp 29 comprise the 5th blade frame 31, latch 32, contiguous block 33, on try to stop people from fighting each other plate 34, loading axle 35, alignment sheets 36, drop-down frame plate 37, lower tie frame crossbeam 38, handwheel 39 and screw rod 40, the 5th blade frame 31 lower ends connect contiguous block 33 by latch 32, the plate 34 of trying to stop people from fighting each other on contiguous block 33 lower ends are fixing, on the plate 34 both sides fixed alignment plates 36 of trying to stop people from fighting each other; On try to stop people from fighting each other and connect drop-down frame plate 37 by loading axle 35, drop-down frame plate 37 lower ends connection lower tie frame crossbeam 38 in the middle of the plate 34; Lower tie frame crossbeam 38 lower ends connect handwheel 39, and handwheel 39 is by the screw rod 40 that is threaded.
The described second blade frame, 11 upper surfaces connect raises angle indicator board 10, raises angle indicator board 10 lower ends and is provided with and raises angle indication seat 20, raises angle indication seat 20 and is used to indicate the angle of raising on the angle indicator board 10.
Described upper beam 4 left ends are provided with second buffer stopper 19.Main lever 8 bottom righthand sides are provided with first buffer stopper 15.
As shown in Figure 4, be provided with electronic control circuit in the described electric cabinet 3, electronic control circuit is made up of pulling force sensor 22, amplifier, AD converter, microprocessor, keyboard, digital display screen, printer, power supply and AC servo motor 5; Described pulling force sensor 22 is connected with amplifier, AD converter, microprocessor, printer successively; The input end of microprocessor is connected with AD converter with keyboard respectively, and the output terminal of microprocessor is connected with digital display screen and printer respectively; Described pulling force sensor 22, amplifier, AD converter, microprocessor, printer are connected with power supply respectively; Described power supply connects AC servo motor 5;
The input end of described AD converter is connected with amplifier out, and pulling force sensor 22 amplifies the power value signal that records, become and send and quantize, and obtains pending AD value;
Described microprocessor is handled current AD value in real time, and the AD value is scaled the power value, and passes through the algorithm of calibration point piece-wise linearization, and monitoring also shows current force value and speed.Described microprocessor model is AT89C52.
Described keyboard and digital display screen have been formed human-computer interaction interface, can import various parameters and order by keyboard, realize constant speed loading, monitoring in real time, data storage, system's setting, functions such as data query, and show different power value units as required, print, network and upload test figure by printer;
Described digital display screen interface can be monitored current power value and speed in real time, can check various parameters, but the print preview effect.
Described AC servo motor 5 constant speed are rotated the counterweight 12 that moves about that drives and are moved to right, rise in main lever 8 left sides, the pulling force that produces is applied to pulling force sensor 22 thereby produces the moment of torsion that constant speed increases, according to lever left and right sides equilibrium principle, under the left side brachium does not become condition, the pulling force that sensor is subjected to should be that constant speed increases, so system is constant load control.
When the utility model carries out test in the drag 6000N scope (employing double lever), during test, bend-proof clamp 29 is hung on time lever 26 by the blade frame, bend-proof clamp 29 lower ends connect the coupling nut 30 on the base 1.Rotate handwheel 39, loading axle 35 is contacted with test block, and be rotated further certain angle, make main lever 8 that certain angle of raising be arranged, deflection when data based test block is ruptured determines, principle is that the test block fracture time should make main lever 8 be horizontal as far as possible, raises the numerical value at angle and can read raising the angle indicator board.Servomotor 5, pulling force sensor 22 are connected with microprocessor in the electric cabinet 3.Open electric cabinet, carry out test operation, servomotor 5 runnings drive leading screw 14 and rotate, and the counterweight 12 that moves about is at the uniform velocity mobile to the right, and the left end of main lever 8 rises, pulling force sensor 22 dynamometry values, and test specimen is broken, and test is ended, the instant playback on the liquid crystal display all the time of power value.Test figure is through microprocessor, and the result can directly print or network and upload.
When the utility model carries out test in the drag 1000N scope (employing simple lever), bend-proof clamp 29 is connected first lower link, 28 lower ends, bend-proof clamp 29 lower ends connect the coupling nut 30 on the base 1.Rotate handwheel 39, loading axle 35 is contacted with test block, and be rotated further certain angle, make main lever 8 that certain angle of raising be arranged, deflection when data based test block is ruptured determines, principle is that the test block fracture time should make main lever 8 be horizontal as far as possible, raises the numerical value at angle and can read raising the angle indicator board.The utility model is simple in structure, compact, reasonable; Two kinds of ranges are arranged, easy and simple to handle, data accuracy height; Easy to use, show different power value units as required.
Claims (7)
1. one kind can show the cement mortar bending test device that constant load is controlled by number, comprises base (1), electric cabinet (3), and base (1) center connects upper beam (4) by column (2); The blade of (4) left end by the second blade frame (11) of putting the beams in place holds and mounts main lever (8), and right-hand member is buffing pad (17) fixedly; Main lever (8) lower end connects a plurality of bearing seats (16), by bearing drive lead screw (14) is installed in the bearing seat (16), and drive lead screw (14) one ends connect AC servo motor (5), and drive lead screw (14) is parallel to each other with main lever (8); Described second blade frame (11) upper surface connects raises angle indicator board (10), raises angle indicator board (10) lower end and is provided with and raises angle indication seat (20); Described main lever (8) left end connects first counterbalance weight (7), and first counterbalance weight (7) one ends are provided with connecting screw rod (18), and connecting screw rod (18) is gone up by second counterbalance weight (6) that is threaded; Main lever (8) the right-hand member counterweight (12) that moves about that is slidingly connected, the counterweight that moves about (12) lower end is threaded with drive lead screw (14); Main lever (8) side is provided with main scale (13), it is characterized in that: main lever (8) is gone up and is mounted upper connecting rod (21) by the first blade frame (9), upper connecting rod (21) lower end connects bend-proof clamp bindiny mechanism (23) by pulling force sensor (22), bend-proof clamp bindiny mechanism (23) lower end connects bend-proof clamp (29), and described base (1) one end fixedly has electric cabinet (3); Described electric cabinet is provided with electronic control circuit in (3), and electronic control circuit is made up of pulling force sensor (22), amplifier, AD converter, microprocessor, keyboard, digital display screen, printer, power supply and AC servo motor (5); Described pulling force sensor (22) is connected with amplifier, AD converter, microprocessor, printer successively; The input end of microprocessor is connected with AD converter with keyboard respectively, and the output terminal of microprocessor is connected with digital display screen and printer respectively; Described pulling force sensor (22), amplifier, AD converter, microprocessor, printer are connected with power supply respectively; Described power supply connects AC servo motor (5).
2. as claimed in claim 1 can the digital cement mortar bending test device that shows constant load control, it is characterized in that: described bend-proof clamp bindiny mechanism (23) comprises second lower link (24), the 3rd blade frame (25), inferior lever (26) and four blade sword frame (27), second lower link (24) is connected the left end of time lever (26) by the 3rd blade frame (25), and the right-hand member of inferior lever (26) connects put the beams in place (4) by four blade sword frame (27).
3. as claimed in claim 1 can the digital cement mortar bending test device that shows constant load control, it is characterized in that: described bend-proof clamp bindiny mechanism (23) is first lower link (28).
4. as claimed in claim 1 can the digital cement mortar bending test device that shows constant load control, it is characterized in that: described bend-proof clamp (29) comprises the 5th blade frame (31), latch (32), contiguous block (33), on the plate (34) of trying to stop people from fighting each other, loading axle (35), alignment sheets (36), drop-down frame plate (37), lower tie frame crossbeam (38), handwheel (39) and screw rod (40), the 5th blade frame (31) lower end connects contiguous block (33) by latch (32), the plate (34) of trying to stop people from fighting each other on contiguous block (33) lower end is fixing, on plate (34) the both sides fixed alignment plates (36) of trying to stop people from fighting each other; On try to stop people from fighting each other and connect drop-down frame plate (37) by loading axle (35) in the middle of the plate (34), drop-down frame plate (37) lower end connection lower tie frame crossbeam (38); Lower tie frame crossbeam (38) lower end connects handwheel (39), and handwheel (39) is by the screw rod that is threaded (40).
5. as claimed in claim 1 can the digital cement mortar bending test device that shows constant load control, it is characterized in that: described upper beam (4) left end is provided with second buffer stopper (19).
6. as claimed in claim 1 can the digital cement mortar bending test device that shows constant load control, it is characterized in that: described main lever (8) bottom righthand side is provided with first buffer stopper (15).
7. as claimed in claim 1 can the digital cement mortar bending test device that shows constant load control, it is characterized in that: described bend-proof clamp (29) is vertical with base (1); Described bend-proof clamp (29) lower end is fixed on the coupling nut (30) on the base (1) by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201712466U CN203178144U (en) | 2013-04-08 | 2013-04-08 | Cement mortar bending test apparatus with functions of digital display and constant load control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201712466U CN203178144U (en) | 2013-04-08 | 2013-04-08 | Cement mortar bending test apparatus with functions of digital display and constant load control |
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| Publication Number | Publication Date |
|---|---|
| CN203178144U true CN203178144U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201712466U Expired - Fee Related CN203178144U (en) | 2013-04-08 | 2013-04-08 | Cement mortar bending test apparatus with functions of digital display and constant load control |
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| CN (1) | CN203178144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297074A (en) * | 2014-10-29 | 2015-01-21 | 无锡建仪仪器机械有限公司 | Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar |
-
2013
- 2013-04-08 CN CN2013201712466U patent/CN203178144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297074A (en) * | 2014-10-29 | 2015-01-21 | 无锡建仪仪器机械有限公司 | Anti-bending testing machine for microcomputer screen displaying cement colloidal mortar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20190408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |