CN106781894A - One kind teaching tensile test apparatus - Google Patents

One kind teaching tensile test apparatus Download PDF

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Publication number
CN106781894A
CN106781894A CN201710126044.2A CN201710126044A CN106781894A CN 106781894 A CN106781894 A CN 106781894A CN 201710126044 A CN201710126044 A CN 201710126044A CN 106781894 A CN106781894 A CN 106781894A
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CN
China
Prior art keywords
gear
telescope support
pulley
regulating block
plate
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Granted
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CN201710126044.2A
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Chinese (zh)
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CN106781894B (en
Inventor
不公告发明人
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Nanjing Muxin Technology Co., Ltd.
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郭淑华
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Priority to CN201710126044.2A priority Critical patent/CN106781894B/en
Priority to CN201510111079.XA priority patent/CN104715658B/en
Publication of CN106781894A publication Critical patent/CN106781894A/en
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Publication of CN106781894B publication Critical patent/CN106781894B/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00Investigating materials by mechanical methods
    • G01N19/04Measuring adhesive force between materials, e.g. of sealing tape, of coating
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • G09B23/10Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies

Abstract

The present invention relates to one kind teaching tensile test apparatus, its technical scheme is:Subplate bearer is fixed in the bottom of base plate, telescope support is installed in the slideway of described base plate both sides, the top fixed block support frame of telescope support, described pulley support frame is provided with pulley, one end fixed dam of described base plate, the other end of base plate fixes attachment base fixed plate, described baffle plate is provided with weight loading wheel, weight loading wheel cooperates with gear train, drive line connects attachment base fixed plate and weight loading wheel through pulley, drive line is provided with pulling force sensor, the beneficial effects of the invention are as follows:Rationally, low manufacture cost, by telescope support, X-type height adjuster, conveniently adjusts the angle of loading force to test platform structure, reduces experiment difficulty.

Description

One kind teaching tensile test apparatus
Technical field
The present invention relates to one kind teaching tensile test apparatus.
Background technology
The culture of the ability of practice and initiative spirit of student is focused in current institution of higher education's education, and being imparted knowledge to students in Experiments of Machanics needs It is simple to operate, advantage of lower cost, the less experimental bench of equipment volume.Marine fouling organism is also referred to as marine attaching organism, refers to Growth animal alow with marine all facility surfaces, plant and microorganism, are influence marine facility safety and service life One of key factor, the attachment of fouling organism can increase Ship Resistance, cause speed of a ship or plane reduction and fuel consumption to increase;Block to Drainage pipeline, changes material corrosion process and speed, causes the rotary parts failure of oceanographic instrumentation;Hinder underwater maintenance and maintenance Deng the carrying out of work;The biology of attachment can absorb acoustic energy, release bubble and produce reverberation, have a strong impact on the work of underwater sound instrument Make.
Lacking one kind in existing teaching research can analyze and research equipment, how inquire into marime fouling life from the angle of mechanics The property of the adhesion of thing, quantitative analysis marine organisms afford the synergy of shearing and stretching, are sheared when departing from adhesive surface Power and the relation of stretching, by obtaining corresponding research conclusion, further formulate preventing and removing marine fouling organisms technology.
The content of the invention
The drawbacks described above that the purpose of the present invention exists aiming at prior art, there is provided one kind can be surveyed by semi-static load The teaching tensile test apparatus of adhesion mechanical property are measured, the gravity of weight offer, several times are provided by weight loading wheel, gear train Act in object being measured, improve the adaptability of its experiment to different needs, and its is rational in infrastructure, low manufacture cost.
A kind of teaching tensile test apparatus that the present invention is mentioned, its technical scheme is:Including base plate, subplate bearer, stretch Support, pulley support frame, baffle plate, weight loading wheel, gear train, X-type height adjuster, front and rear adjusting gear rack, front and rear regulation tooth Bottom is fixed in wheel, height regulating rod, front and rear adjusting rod, attachment base fixed plate, pulley, tension-compression sensor, drive line, the bottom of base plate Board support, the slideway of described base plate both sides is interior to install telescope support, and the top fixed block support frame of telescope support is described Pulley support frame is provided with pulley, and one end fixed dam of described base plate, the other end of base plate fixes attachment base fixed plate, institute The baffle plate stated is provided with weight loading wheel, and weight loading wheel cooperates with gear train, and drive line connects attachment base through pulley Fixed plate and weight loading wheel, drive line are provided with tension-compression sensor, and telescope support includes telescope support fix bar, telescope support Motion bar, sliding feet, the bottom of telescope support fix bar are provided with sliding feet, and the top of telescope support fix bar is provided with telescope support Motion bar, the bottom of telescope support fix bar is provided with front and rear adjusting rod, and sliding feet cooperates with the slideway on base plate, branch of stretching The inside of frame is provided with X-type height adjuster, and X-type height adjuster includes upper limit movable pulley, cross support plate, angular adjustment Block, lower limit movable pulley, are transversely provided with angle-regulating block at the interconnection of cross support plate, height regulating rod is adjusted through angle Locking nub is connected in the lifting groove of telescope support fix bar, and the two ends of cross support plate are provided with upper limit movable pulley and lower limit Position movable pulley, upper limit movable pulley connects the telescope support motion bar of telescope support, lower limit movable pulley and front and rear adjusting rod phase Mutually coordinate, the centre of front and rear adjusting rod adjusts gear, the front and rear adjusting gear rack in the middle of front and rear regulation gear and base plate before and after being provided with It is engaged.
Above-mentioned angle-regulating block includes the first regulating block, the second regulating block, and the first regulating block, the second regulating block are solid respectively It is scheduled on two blocks of cross support plates, the first regulating block, the centre of the second regulating block are provided with tapped through hole, described height regulating rod Including forward screw thread screw mandrel and reverse thread screw mandrel, forward screw thread screw mandrel is connected with the first regulating block, reverse thread screw mandrel and Two regulating blocks are connected.
Adjusting knob is respectively equipped with above-mentioned height regulating rod and front and rear adjusting rod.
Above-mentioned gear train includes gear wheel, little gear, Large Gear Shaft, pinion shaft, and gear wheel is solid by Large Gear Shaft It is scheduled on baffle plate, little gear is fixed on baffle plate by pinion shaft, gear wheel and little gear are intermeshed, described little gear Axle connects weight loading wheel.
Above-mentioned weight loading wheel reeded runner for centre sets, described weight loading wheel includes three groups of coaxial lines Runner, the diameter of three groups of weight loading wheels is respectively 20m, 30m and 50m.
Multigroup gear groove is provided with above-mentioned pulley support frame, pulley is arranged in gear groove by gear lever, by adjusting Save the position of gear lever adjustable pulley.
A kind of application method of teaching tensile test apparatus that the present invention is mentioned, comprises the following steps:
A)X-type teaching tension test platform is installed, while adjusting height regulating rod, front and rear adjusting rod, is made at telescope support position In suitable position, adjustable pulley support frame to correct position installs tension-compression sensor, then chooses suitable in weight loading wheel Radius loading weight;Tension-compression sensor data are gathered using computer, and is compared with loading force angle;
B)By the gear train transmission pulling force multiplying power different from the offer of the weight loading wheel that different radii is selected, to adapt to experiment In the structure connects with pulley and tension-compression sensor at the top of telescope support respectively to be required to the difference of power;Highly adjusted by X-type The intersecting angle that height regulating rod and angle-regulating block on section device change its X-type height adjuster realizes that height is adjusted, and determines The pull test data that different angles, different height bring;
C)The influence of the attachment to Ship Resistance of the data analysis fouling organism by testing, it is ensured that the accuracy of test data, The synergy of shearing and stretching is afforded by quantitative analysis marine organisms, the pass of shearing force and stretching when departing from adhesive surface System.
The beneficial effects of the invention are as follows:Make the gravity of weight offer by weight loading wheel, gear train, several times act on institute Survey on object, improve the adaptability of its experiment to different needs;By front and rear regulation gear, front and rear adjusting rod, front and rear tune The regulation of tooth bar is saved, the compatibility to experiment material is also improved;In addition, by telescope support, X-type height adjuster, it is convenient The angle of loading force is adjusted, experiment difficulty is reduced;Rationally, low manufacture cost is readily obtained big rule to test platform structure of the invention Mould is promoted the use of.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the invention;
Accompanying drawing 2 is the structural representation of X-type height adjuster;
Accompanying drawing 3 is the structural representation of angle-regulating block;
Accompanying drawing 4 is the structural representation of weight loading wheel and gear train;
Accompanying drawing 5 is the structural representation of pulley support frame;
In upper figure:Base plate 1, subplate bearer 2, telescope support 3, pulley support frame 4, baffle plate 5, weight loading wheel 6, gear train 7, X Type height adjuster 8, front and rear adjusting gear rack 9, front and rear regulation gear 10, height regulating rod 11, front and rear adjusting rod 12, attachment base are solid Fixed board 13, pulley 14, tension-compression sensor 15, drive line 16;Rack fixed rod 3.1, telescope support motion bar 3.2, sliding feet 3.3rd, lifting groove 3.4;Gear groove 4.1, gear lever 4.2;Gear wheel 7.1, little gear 7.2, Large Gear Shaft 7.3, pinion shaft 7.4;Upper limit movable pulley 8.1, cross support plate 8.2, angle-regulating block 8.3, lower limit movable pulley 8.4;First regulating block a, Second regulating block b, forward screw thread screw mandrel c, reverse thread screw mandrel d, adjusting knob e.
Specific embodiment
Referring to the drawings 1 and 2, the teaching tensile test apparatus mentioned of the present invention, including base plate 1, subplate bearer 2, flexible branch Frame 3, pulley support frame 4, baffle plate 5, weight loading wheel 6, gear train 7, X-type height adjuster 8, front and rear adjusting gear rack 9, front and rear tune Section gear 10, height regulating rod 11, front and rear adjusting rod 12, attachment base fixed plate 13, pulley 14, tension-compression sensor 15, drive line 16, subplate bearer 2 is fixed in the bottom of base plate 1, and the slideway of the described both sides of base plate 1 is interior to install telescope support 3, telescope support 3 Top fixed block support frame 4, described pulley support frame 4 be provided with can with the pulley 14 of shift position, described base plate 1 One end fixed dam 5, the other end of base plate 1 fixes attachment base fixed plate 13, and described baffle plate 5 is provided with weight loading wheel 6, weight Thing loading wheel 6 cooperates with gear train 7, and drive line 16 connects attachment base fixed plate 13 and weight loading wheel 6 through pulley 14, Drive line 16 is provided with tension-compression sensor 15, telescope support 3 include telescope support fix bar 3.1, telescope support motion bar 3.2, Sliding feet 3.3, the bottom of telescope support fix bar 3.1 is provided with sliding feet 3.3, and the top of telescope support fix bar 3.1 is provided with stretches Contracting support motion bar 3.2, the bottom of telescope support fix bar 3.1 is provided with front and rear adjusting rod 12, in sliding feet 3.3 and base plate 1 Slideway cooperates, and the inside of telescope support 3 is provided with X-type height adjuster 8, and X-type height adjuster 8 includes upper limit movable pulley 8.1st, cross support plate 8.2, angle-regulating block 8.3, lower limit movable pulley 8.4, transverse direction at the interconnection of cross support plate 8.2 Angle-regulating block 8.3 is provided with, height regulating rod 11 is connected to telescope support fix bar 3.1 through angle-regulating block 8.3 In lifting groove 3.4, the two ends of cross support plate 8.2 are provided with upper limit movable pulley 8.1 and lower limit movable pulley 8.4, and upper limit is slided Driving wheel 8.1 connects the telescope support motion bar 3.2 of telescope support 3, lower limit movable pulley 8.4 and the phase interworking of front and rear adjusting rod 12 Close, the centre of front and rear adjusting rod 12 adjusts gear 10, the front and rear regulation tooth in the middle of front and rear regulation gear 10 and base plate before and after being provided with Bar 9 is engaged.
Referring to the drawings 3, angle-regulating block 8.3 includes that the first regulating block a, the second regulating block b, the first regulating block a, second are adjusted Locking nub b is separately fixed on two blocks of cross support plates 8.2, and the first regulating block a, the centre of the second regulating block b are provided with tapped through hole, Described height regulating rod 11 includes forward screw thread screw mandrel c and reverse thread screw mandrel d, forward screw thread screw mandrel c and the first regulating block a Connection, reverse thread screw mandrel d is connected with the second regulating block b, wherein, it is respectively equipped with height regulating rod 11 and front and rear adjusting rod 12 Adjusting knob e.
Referring to the drawings 4, gear train 7 includes gear wheel 7.1, little gear 7.2, Large Gear Shaft 7.3, pinion shaft 7.4, canine tooth Wheel 7.1 is fixed on baffle plate 5 by Large Gear Shaft 7.3, and little gear 7.2 is fixed on baffle plate 5 by pinion shaft 7.4, canine tooth Wheel 7.1 and little gear 7.2 are intermeshed, the described connection weight of pinion shaft 7.4 loading wheel 6, by gear wheel 7.1 and small tooth The intermeshing of wheel 7.2 changes different transmission speeds, there is provided kinds of experiments data.
Wherein, weight loading wheel 6 for centre sets reeded runner, described weight loading wheel 6 includes three groups of coaxial lines Runner, the diameter of three groups of weight loading wheels is respectively 20cm, 30cm and 50cm, selects the weight loading wheel 6 of different-diameter There is provided different pulling force multiplying powers, there is provided kinds of experiments data.
Referring to the drawings 5, multigroup gear groove 4.1 is provided with pulley support frame 4, pulley 14 is arranged on shelves by gear lever 4.2 In the groove 4.1 of position, by the position of the adjustable pulley 14 of regulation stall bar 4.2, make experiment more flexibly and conveniently.
The application method of the teaching tensile test apparatus that the present invention is mentioned, comprises the following steps:
A)X-type teaching tension test platform is installed, while adjusting height regulating rod 11, front and rear adjusting rod 12, makes telescope support 3 Put in suitable position, adjustable pulley support frame 4 to correct position installs tension-compression sensor 15, then chooses weight loading Suitable radius loading weight on wheel 6;Tension-compression sensor data are gathered using computer, and is compared with loading force angle;
B)By the transmission of the gear train 7 pulling force multiplying power different from the offer of the weight loading wheel 6 that different radii is selected, to adapt to reality Difference in testing to power requires that the structure is connected with the pulley 14 and tension-compression sensor 15 at the top of telescope support 3 respectively;By X Height regulating rod 11 and angle-regulating block 8.3 on type height adjuster 8 change the intersecting angle reality of its X-type height adjuster 8 Now height is adjusted, the pull test data that the different angles of measure, different height bring;
C)The influence of the attachment to Ship Resistance of the data analysis fouling organism by testing, it is ensured that the accuracy of test data, The synergy of shearing and stretching is afforded by quantitative analysis marine organisms, the pass of shearing force and stretching when departing from adhesive surface System.
The present invention makes the gravity of weight offer by weight loading wheel, gear train, and several times are acted in object being measured, improves The adaptability of its experiment to different needs, realizes that semi-static load measures adhesion mechanical property;By front and rear regulation tooth Wheel, front and rear adjusting rod, the regulation of front and rear adjusting gear rack, also improve the compatibility to experiment material;In addition, by flexible branch Frame, X-type height adjuster, the angle of convenient regulation loading force, reduce experiment difficulty;Test platform structure of the invention rationally, is made Make low cost, be readily obtained large-scale promotion and use.

Claims (3)

1. a kind of teaching tensile test apparatus, it is characterized in that:Including base plate(1), subplate bearer(2), telescope support(3), pulley Support frame(4), baffle plate(5), weight loading wheel(6), gear train(7), X-type height adjuster(8), front and rear adjusting gear rack(9), it is preceding After adjust gear(10), height regulating rod(11), front and rear adjusting rod(12), attachment base fixed plate(13), pulley(14), tension and compression pass Sensor(15), drive line(16), base plate(1)Bottom fix subplate bearer(2), described base plate(1)Peace in the slideway of both sides Dress telescope support(3), telescope support(3)Top fixed block support frame(4), described pulley support frame(4)It is provided with cunning Wheel(14);Described base plate(1)One end fixed dam(5), base plate(1)The other end fix attachment base fixed plate(13), institute The baffle plate stated(5)It is provided with weight loading wheel(6), weight loading wheel(6)With gear train(7)Cooperate, drive line(16)Wear Cross pulley(14)Connection attachment base fixed plate(13)With weight loading wheel(6), drive line(16)It is provided with tension-compression sensor(15), Telescope support(3)Including telescope support fix bar(3.1), telescope support motion bar(3.2), sliding feet(3.3), telescope support is solid Fixed pole(3.1)Bottom be provided with sliding feet(3.3), telescope support fix bar(3.1)Top be provided with telescope support motion bar (3.2), telescope support fix bar(3. 1)Bottom be provided with front and rear adjusting rod(12), sliding feet(3.3)With base plate(1)On cunning Road cooperates, telescope support(3)Inside be provided with X-type height adjuster(8), X-type height adjuster(8)Slided including upper limit Driving wheel(8.1), cross support plate(8.2), angle-regulating block(8.3), lower limit movable pulley(8.4), cross support plate(8.2)'s Angle-regulating block is transversely provided with interconnection(8.3), height regulating rod(11)Through angle-regulating block(8.3)It is connected to Telescope support fix bar(3.1)Lifting groove(3.4)It is interior, cross support plate(8.2)Two ends be provided with upper limit movable pulley(8.1) With lower limit movable pulley(8.4), upper limit movable pulley(8.1)Connection telescope support(3)Telescope support motion bar(3.2), under Spacing movable pulley(8.4)With front and rear adjusting rod(12)Cooperate, front and rear adjusting rod(12)Centre be provided with before and after regulation gear (10), front and rear regulation gear(10)With the front and rear adjusting gear rack in the middle of base plate(9)It is engaged;
Described angle-regulating block(8.3)Including the first regulating block(a), the second regulating block(b), the first regulating block(a), second adjust Locking nub(b)It is separately fixed at two blocks of cross support plates(8.2)On, the first regulating block(a), the second regulating block(b)Centre be provided with Tapped through hole, described height regulating rod(11)Including forward screw thread screw mandrel(c)With reverse thread screw mandrel(d), forward screw thread silk Bar(c)With the first regulating block(a)Connection, reverse thread screw mandrel(d)With the second regulating block(b)Connection;
Described gear train(7)Including gear wheel(7.1), little gear(7.2), Large Gear Shaft(7.3), pinion shaft(7.4), greatly Gear(7.1)By Large Gear Shaft(7.3)It is fixed on baffle plate(5)On, little gear(7.2)By pinion shaft(7.4)It is fixed on Baffle plate(5)On, gear wheel(7.1)And little gear(7.2)Intermeshing, described pinion shaft(7.4)Connection weight loading wheel (6);
Described pulley support frame(4)Inside it is provided with multigroup gear groove(4.1), pulley(14)By gear lever(4.2)It is arranged on shelves Position groove(4.1)It is interior, by regulation stall bar(4.2)Adjustable pulley(14)Position.
2. a kind of teaching tensile test apparatus according to claim 1, it is characterized in that:Described height regulating rod(11)With Front and rear adjusting rod(12)On be respectively equipped with adjusting knob(e).
3. a kind of teaching tensile test apparatus according to claim 1, it is characterized in that:Described weight loading wheel(6)For Centre sets reeded runner, described weight loading wheel(6)Including three groups of runners of coaxial line, three groups of weight loading wheels it is straight Footpath is respectively 20cm, 30cm and 50cm.
CN201710126044.2A 2015-03-13 2015-03-13 A kind of teaching tensile test apparatus Active CN106781894B (en)

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CN201710126049.5A Expired - Fee Related CN106847003B (en) 2015-03-13 2015-03-13 A kind of application method of X-type teaching tension test platform
CN201510111079.XA Expired - Fee Related CN104715658B (en) 2015-03-13 2015-03-13 A kind of X-type teaching tension test platform
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CN104715658A (en) 2015-06-17
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