CN206162952U - Friction experiment device for mechanics - Google Patents

Friction experiment device for mechanics Download PDF

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Publication number
CN206162952U
CN206162952U CN201621048077.7U CN201621048077U CN206162952U CN 206162952 U CN206162952 U CN 206162952U CN 201621048077 U CN201621048077 U CN 201621048077U CN 206162952 U CN206162952 U CN 206162952U
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CN
China
Prior art keywords
support
support bar
horizontal stand
uniform rotation
stand
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621048077.7U
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Chinese (zh)
Inventor
李彩霞
卢欣欣
张弛
陈彧訸
钟文宇
崔铭
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Publication date
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Priority to CN201621048077.7U priority Critical patent/CN206162952U/en
Application granted granted Critical
Publication of CN206162952U publication Critical patent/CN206162952U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a friction experiment device for mechanics, it relates to a friction experiment device for mechanics, the purpose of the utility model is to provide an unstable in order to overcome current frictional force experimental device experiment, numerical value reads the inaccuracy, operates inconvenient problem. The utility model discloses the device is including steady rotation device, steady rotation device support, spring dynamometer, bracing piece no. 1, bracing piece no. 2, slider and stay cord, through placing the slider in the device at steady rotation to placing the steady rotation device in steady rotation device support, being connected the stay cord with spring dynamometer, and through on the supporting shoe of placing steady rotation device support in on bracing piece no. 1 and the bracing piece no. 2 co -altitude not, the slope of realizing different inclination is measured, thereby is tested multiple friction mechanical experiment, the utility model discloses be applied to the physical experiment field.

Description

One kind friction dynamics experimental device
Technical field
The utility model is related to a kind of friction dynamics experimental device.
Background technology
It is related to various friction Experiments of Machanics in Physical Experiment, typically may require that in teaching process by every physics reality Test to help student to be best understood from affecting every factor of friction, wherein have pulling thing block to be moved using weight beam The experiment of research mechanical characteristic, also there is the experiment that friction mechanics is studied using inclined-plane downslide thing block, is being entered using weight beam Row measurement frictional force can not be consistent due to the power for pulling thing block or weight beam, or the slight rolling during pulling force Dynamic, spring is kept in motion, and is difficult reading numerical values, can all make measurement result inaccurate;And, pulling force can not keep uniform, So that spring stress is uneven so that final measurement is inaccurate.
Utility model content
In order to overcome existing frictional force experiment equipment experiment unstable, numerical value reads inaccurately the purpose of this utility model, The problem of inconvenient operation, and provide a kind of friction dynamics experimental device.
A kind of friction dynamics experimental device of the present utility model, it include uniform rotation device, uniform rotation appliance stand, Weight beam, support bar one, support bar two, slide block and drawstring;
Described uniform rotation device is made up of motor, endless conveyor belt, drive shaft, driven axle and gripper shoe;Wherein, drive The two ends of moving axis and driven axle are fixed on uniform rotation appliance stand respectively by axle sleeve, are arranged between drive shaft and driven axle Endless conveyor belt;Gripper shoe is arranged on the upper right of uniform rotation appliance stand, and is arranged between drive shaft and driven axle, And gripper shoe is inserted in endless conveyor belt upper layer undersurface;Motor is arranged on the upper right side of uniform rotation appliance stand, the gear of motor Engage with the gear of driveshaft end;
Described uniform rotation appliance stand is by vertical rack one, vertical rack two, horizontal stand one and horizontal stand two Constitute;Wherein, vertical rack one is hinged with horizontal stand one, and vertical rack two is hinged with horizontal stand two;
Described weight beam upper end is connected with the top board of support, and weight beam lower end is provided with hook, and hook passes through Drawstring is connected with slide block and the fixed pulley being arranged on below weight beam;Described fixed pulley is fixed on support;
Described support bar one and the side of support bar two is from top to bottom respectively arranged with multiple support blocks, the support bar Support block on one is symmetrical arranged two-by-two with the support block on support bar two;
Horizontal stand one is respectively placed in symmetrically arranged support two-by-two on support bar one and support bar two with horizontal stand two On block;
Described slide block is placed on endless conveyor belt.
The utility model completes the uniform motion of slide block in frictional experiment by uniform rotation device, first, by the uniform velocity The gear of the gear driven drive shaft of the motor (motor for being used is slowspeed machine) of tumbler, realizes turning for drive shaft It is dynamic, so as to drive set endless conveyor belt thereon along drive shaft and driven axle uniform rotation, so as to realize that being placed on ring-type passes The slide block for taking is sent together to move.Meanwhile, the utility model is inserted at endless conveyor belt upper strata by arranging gripper shoe Under bottom surface, for holding endless conveyor belt, in endless conveyor belt rotation process, due to the supporting role of gripper shoe, can make The upper strata of endless conveyor belt is maintained at a plane, so as to ensure slide block thereon in horizontal plane motion, it is ensured that measure in experiment The accuracy of frictional force.
Uniform rotation appliance stand of the present utility model is used to support uniform rotation device, the vertical rack one of the support, Vertical rack two, horizontal stand one and horizontal stand two are hinged, and one end of horizontal stand one and horizontal stand is placed on and props up In the support block of strut one and support bar two, due to being provided with multiple symmetrical support blocks on support bar one and support bar two, lead to Cross adjustment horizontal stand one and horizontal stand two is placed on the position of support block, support uniform rotation device and level can be adjusted The angle in face, so as to uniform rotation device is formed into the inclined-plane of differing tilt angles, and then obtains measurement friction under different inclined-planes The experiment of power.
Weight beam of the present utility model is vertically placed by rack-mount, relative to horizontal positioned, energy Enough make the clearer change for seeing dynamometry count value in real time of student.The support of described installation weight beam can be fixed on On desktop, also weight beam can be pulled down, carry out the measurement of horizontal positioned experiment frictional force experiment.
Description of the drawings
Fig. 1 is apparatus structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of uniform rotation device and uniform rotation appliance stand in Fig. 1;
Fig. 3 is the structural representation of weight beam and support in Fig. 1.
Specific embodiment
Specific embodiment one:Present embodiment, a kind of friction mechanics reality of present embodiment are illustrated with reference to Fig. 1 to Fig. 3 Experiment device, it include uniform rotation device 1, uniform rotation appliance stand 2, weight beam 3, support bar 1, support bar 25, Slide block 6 and drawstring 7;
Described uniform rotation device 1 is by motor 1-1, endless conveyor belt 1-2, drive shaft 1-3, driven axle 1-4 and support Plate 1-5 is constituted;Wherein, the two ends of drive shaft 1-3 and driven axle 1-4 are fixed on uniform rotation appliance stand 2 by axle sleeve respectively On, endless conveyor belt 1-2 is arranged between drive shaft 1-3 and driven axle 1-4;Gripper shoe 1-5 is fixed on uniform rotation appliance stand 2 Upper right, and be arranged between drive shaft 1-3 and driven axle 1-4, and gripper shoe 1-5 is inserted in endless conveyor belt 1-2 upper stratas Subjacent;Motor 1-1 is arranged on the upper right side of uniform rotation appliance stand 2, gear and the drive shaft 1-3 end of motor 1-1 Gear engagement;
Described uniform rotation appliance stand 2 by the 2-1 of vertical rack one, the 2-2 of vertical rack two, the 2-3 of horizontal stand one and The 2-4 of horizontal stand two is constituted;Wherein, the 2-1 of vertical rack one is hinged with the 2-3 of horizontal stand one, the 2-2 of vertical rack two with 2-4 is hinged for horizontal stand two;
The described upper end of weight beam 3 is connected with the top board 8-1 of support 8, and the lower end of weight beam 3 is provided with hook, hangs Hook is connected by drawstring 7 with slide block 6 and the fixed pulley 9 being arranged on below weight beam 3;
Described support bar 1 and the side of support bar 25 is from top to bottom respectively arranged with multiple support blocks 10, described Support block 10 on strut 1 is symmetrical arranged two-by-two with the support block 10 on support bar 25;
The 2-3 of the horizontal stand one and 2-4 of horizontal stand two is respectively placed on support bar 1 and support bar 25 and symmetrically sets two-by-two In the support block 10 put;
Described slide block 6 is placed on endless conveyor belt 1-2.
Specific embodiment two:Present embodiment, present embodiment and specific embodiment one are illustrated with reference to Fig. 1 to Fig. 3 Difference is:Uniform rotation device 1 is arranged on the 2-3 of horizontal stand one and the 2-4 of horizontal stand two.Other compositions and connection side Formula is identical with specific embodiment one.
Specific embodiment three:Present embodiment, present embodiment and specific embodiment one are illustrated with reference to Fig. 1 to Fig. 3 Difference is:Described endless conveyor belt 1-2 upper surfaces be arranged in parallel three wide rubbing surfaces.Other compositions and connection side Formula is identical with specific embodiment one.
Specific embodiment four:Present embodiment, present embodiment and specific embodiment one are illustrated with reference to Fig. 1 to Fig. 3 Difference is:Support bar 1 is provided with the side of support block 10 and support bar 25 is provided with the side of support block 10 and relative sets Put.Other compositions and connected mode are identical with specific embodiment one.
Specific embodiment five:Present embodiment, present embodiment and specific embodiment one are illustrated with reference to Fig. 1 to Fig. 3 Difference is:Described drive shaft 1-3 and the two ends of driven axle 1-4 is fixed on the 2-3 of flat support one and water by axle sleeve respectively On the 2-4 of flat support two.Other compositions and connected mode are identical with specific embodiment one.

Claims (5)

1. a kind of friction dynamics experimental device, it is characterised in that it includes uniform rotation device (1), uniform rotation appliance stand (2), weight beam (3), support bar one (4), support bar two (5), slide block (6) and drawstring (7);
Described uniform rotation device (1) is by motor (1-1), endless conveyor belt (1-2), drive shaft (1-3), driven axle (1-4) Constitute with gripper shoe (1-5);Wherein, the two ends of drive shaft (1-3) and driven axle (1-4) are fixed on by axle sleeve at the uniform velocity turn respectively On dynamic appliance stand (2), endless conveyor belt (1-2) is arranged between drive shaft (1-3) and driven axle (1-4);Gripper shoe (1-5) sets The upper right in uniform rotation appliance stand (2) is put, and is arranged between drive shaft (1-3) and driven axle (1-4), and supported Plate (1-5) is inserted in endless conveyor belt (1-2) upper layer undersurface;Motor (1-1) is arranged on the upper right of uniform rotation appliance stand (2) Side, the gear of motor (1-1) is engaged with the gear of drive shaft (1-3) end;
Described uniform rotation appliance stand (2) is by vertical rack one (2-1), vertical rack two (2-2), (2- of horizontal stand one 3) constitute with horizontal stand two (2-4);Wherein, vertical rack one (2-1) is hinged with horizontal stand one (2-3), vertically Support two (2-2) is hinged with horizontal stand two (2-4);
Described weight beam (3) upper end is connected with the top board (8-1) of support (8), and weight beam (3) lower end is provided with extension Hook, hook is connected by drawstring (7) with slide block (6) and the fixed pulley (9) being arranged on below weight beam (3);Described determines Pulley (9) is fixed on support (8);
Described support bar one (4) and the side of support bar two (5) is from top to bottom respectively arranged with multiple support blocks (10), described Support block (10) on support bar one (4) is symmetrical arranged two-by-two with the support block (10) on support bar two (5);
It is right two-by-two on support bar one (4) and support bar two (5) that horizontal stand one (2-3) is respectively placed in horizontal stand two (2-4) Claim in the support block (10) of setting;
Described slide block (6) is placed on endless conveyor belt (1-2).
2. a kind of friction dynamics experimental device according to claim 1, it is characterised in that uniform rotation device (1) is arranged at On horizontal stand one (2-3) and horizontal stand two (2-4).
3. a kind of friction dynamics experimental device according to claim 1, it is characterised in that described endless conveyor belt (1-2) Upper surface be arranged in parallel three wide rubbing surfaces.
4. a kind of friction dynamics experimental device according to claim 1, it is characterised in that support bar one (4) is provided with support The side of block (10) and support bar two (5) are provided with the side of support block (10) and are oppositely arranged.
5. a kind of friction dynamics experimental device according to claim 1, it is characterised in that described drive shaft (1-3) and quilt The two ends of moving axis (1-4) are fixed on flat support one (2-3) and horizontal stand two (2-4) respectively by axle sleeve.
CN201621048077.7U 2016-09-09 2016-09-09 Friction experiment device for mechanics Expired - Fee Related CN206162952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621048077.7U CN206162952U (en) 2016-09-09 2016-09-09 Friction experiment device for mechanics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621048077.7U CN206162952U (en) 2016-09-09 2016-09-09 Friction experiment device for mechanics

Publications (1)

Publication Number Publication Date
CN206162952U true CN206162952U (en) 2017-05-10

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ID=58650673

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621048077.7U Expired - Fee Related CN206162952U (en) 2016-09-09 2016-09-09 Friction experiment device for mechanics

Country Status (1)

Country Link
CN (1) CN206162952U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109377837A (en) * 2018-11-24 2019-02-22 田镇宇 A kind of mechanics comprehensive experiment device
CN109637303A (en) * 2019-02-26 2019-04-16 吕德盛 A kind of frictional force study apparatus for demonstrating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109377837A (en) * 2018-11-24 2019-02-22 田镇宇 A kind of mechanics comprehensive experiment device
CN109637303A (en) * 2019-02-26 2019-04-16 吕德盛 A kind of frictional force study apparatus for demonstrating

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170510

Termination date: 20180909

CF01 Termination of patent right due to non-payment of annual fee