CN106251743B - A kind of small motor vehicle drive system of physics teaching experiment - Google Patents

A kind of small motor vehicle drive system of physics teaching experiment Download PDF

Info

Publication number
CN106251743B
CN106251743B CN201610718267.3A CN201610718267A CN106251743B CN 106251743 B CN106251743 B CN 106251743B CN 201610718267 A CN201610718267 A CN 201610718267A CN 106251743 B CN106251743 B CN 106251743B
Authority
CN
China
Prior art keywords
track
bracing wire
trolley
motor vehicle
vehicle drive
Prior art date
Application number
CN201610718267.3A
Other languages
Chinese (zh)
Other versions
CN106251743A (en
Inventor
李翔
Original Assignee
合肥凌翔信息科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 合肥凌翔信息科技有限公司 filed Critical 合肥凌翔信息科技有限公司
Priority to CN201610718267.3A priority Critical patent/CN106251743B/en
Publication of CN106251743A publication Critical patent/CN106251743A/en
Application granted granted Critical
Publication of CN106251743B publication Critical patent/CN106251743B/en

Links

Classifications

    • 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 a kind of small motor vehicle drive system more particularly to a kind of small motor vehicle drive systems of physics teaching experiment.The small motor vehicle drive system of physics teaching experiment that the technical problem to be solved in the present invention is to provide a kind of experiment effects is obvious, drive efficiency is high, easy to operate.In order to solve the above-mentioned technical problem, the present invention provides the small motor vehicle drive systems of such a physics teaching experiment, include the first track, the second track, bronze gong, third track, first support, third bracing wire, the second iron ball, oscillating rod, the first elastic component, triangular supports, painting case, piston, stereoplasm tube, spray head, push rod, controller, velocity sensor, sound transducer, trolley and iron staff etc., is successively arranged first support bar, second support bar and third support rod on ground from left to right.The effect that invention achieves experiment effects is obvious, drive efficiency is high, easy to operate, and make experimental result more accurate.

Description

A kind of small motor vehicle drive system of physics teaching experiment
Technical field
The present invention relates to a kind of small motor vehicle drive system more particularly to a kind of small motor vehicle drive systems of physics teaching experiment.
Background technique
Teaching experiment refers to that student under the guidance of teacher, using certain equipment and material, passes through the behaviour of control condition Make process, cause certain variations of experimental subjects, obtain new knowledge in the variation of these phenomenons from or verifies the religion of knowledge Method.In the teaching of the subjects such as physics, chemistry, biology, geography and natural common sense, experiment is a kind of important method.One As experiment be laboratory, biology or agricultural experiment field carry out.Some experiments can also carry out in classroom.
Drive system refers to that stepping motor and stepping motor driver constitute the motor driven systems of stepping.
Existing small motor vehicle drive system haves the shortcomings that experiment effect is unobvious, drive efficiency is low, complicated for operation, therefore urgently The small motor vehicle drive system of physics teaching experiment that a kind of experiment effect is obvious, drive efficiency is high, easy to operate need to be designed.
Summary of the invention
(1) technical problems to be solved
Existing small motor vehicle drive system experiment effect is unobvious, drive efficiency is low, complicated for operation in order to overcome by the present invention Disadvantage, the physics religion that the technical problem to be solved in the present invention is to provide a kind of experiment effects is obvious, drive efficiency is high, easy to operate It learns and tests small motor vehicle drive system.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides the small motor vehicle drive system of such a physics teaching experiment, It include the first track, the second track, bronze gong, third track, first support, third bracing wire, the second iron ball, oscillating rod, first Elastic component, triangular supports, painting case, piston, stereoplasm tube, spray head, push rod, controller, velocity sensor, sound transducer, Trolley, iron staff, the first bracing wire, the first iron ball, electronic reel, the second bracing wire, the second elastic component, first support bar, second Strut and third support rod, are successively arranged first support bar, second support bar and third support rod on ground from left to right, and first Post upper is equipped with the first track, and second support bar upper end is equipped with the second track, and third post upper is equipped with third track, First track right end is connect with the second track, and the second track right end is connect with third track, and trolley is placed on the second track, small It is provided with iron staff among roof, sound transducer is provided on the right side of trolley rear wall, is provided with velocity sensor on the right side of trolley, it is small Be provided with controller on the right side of Chinese herbaceous peony wall, trolley left wall is provided with the first bracing wire and electronic reel, the first bracing wire be located at it is electronic around The rear of line wheel, the first bracing wire lower end are provided with the first iron ball, and the second bracing wire is wound on electronic reel, and third track left end is set It is equipped with bronze gong, is provided with first support on the right side of third track, first support inner top is provided with third bracing wire, third bracing wire lower end It is connected with the second iron ball, is disposed with the first elastic component, triangular supports, the second elastic component from left to right on front side of the second track And painting case, triangular supports rear end are hingedly connected with oscillating rod, the second bracing wire front end is connect with oscillating rod, the first elastic component and The rear end of second elastic component is connect with oscillating rod, is hingedly connected with push rod on the right side of oscillating rod, is provided with piston in painting case, pushes away Bar front end is connect with piston, is provided with stereoplasm tube on the right side of painting case, stereoplasm tube rear end is provided with spray head, electronic reel, sound Sensor and velocity sensor are connect with controller respectively.
It preferably, further include having shield, controller periphery is provided with shield.
Preferably, further include having tape measure, be provided with tape measure on front side of third track.
Preferably, further include having oscillating cylinder, oscillating cylinder is provided on stereoplasm tube, oscillating cylinder is connect with controller.
Preferably, the material of first support is Q235 steel.
Preferably, the first bracing wire, the second bracing wire and third bracing wire are wirerope.
Preferably, the first elastic component is spring.
Working principle: originally, the second bracing wire is in relaxed state, and painting case is provided with suitable paint, when people need When carrying out physics teaching experiment, trolley is placed on the first track by people, and people applies certain active force to trolley, so that trolley Sliding, when trolley passes through the second track, the second bracing wire is in tensioned state, and trolley continues to move right, and drives the second bracing wire It moves right, the second bracing wire drives and moves backward on the left of oscillating rod, and the first elastic component is stretched, so as to Forward on the right side of oscillating rod It is dynamic, drive push rod to move forward on the right side of oscillating rod, push rod band piston moves forward, so that piston squeezes in painting case forward Paint, so that the paint in painting case is sprayed by stereoplasm tube by spray head, paints to the wheel of trolley, when spray painting is completed When, controller controls electronic reel work, so that the second bracing wire is released, so that oscillating rod is under the first elastic component elastic reaction It resets, trolley continues to move right, and when trolley enters third track, the first iron ball can tap bronze gong, and bronze gong issues sound, mentions Awake people start timing, and sound transducer analyzes the sound of sending, and the instruction after analysis is transmitted to by sound transducer Controller, controller control velocity sensor and start to work, and people can recorde when lower trolley has just enter into third track at this time Speed.Iron staff while trolley continues to move right on trolley can tap the second iron ball, and the second iron ball issues sound, works as sound It when stopping, just representing trolley and has stopped, people is reminded to stop timing, controller control sound transducer stops working, controls Device controls electronic reel and stops working, and controller control velocity sensor stops working.The trolley mistake mobile in third track Cheng Zhong, the paint on wheel can leave the marking in third track, and people is facilitated to measure the distance of trolley traveling, it is known that trolley is the Initial velocity of the distance and trolley travelled on three tracks on third track, can calculate the friction system of third track Number.
Because further including having shield, controller periphery is provided with shield, so can prevent during spray paint Controller, which is sprayed, to be caused to damage.
Because further including having tape measure, it is provided with tape measure on front side of third track, so more convenient people measure trolley traveling Distance.
Because further including having oscillating cylinder, oscillating cylinder is provided on stereoplasm tube, oscillating cylinder is connect with controller, so During spray paint, controller controls oscillating cylinder work, drives stereoplasm tube to swing, can expand the spray regime of paint.
Because the material of first support is Q235 steel, Q235 steel is not easy to corrode, and toughness is strong, so being able to extend first support Service life.
Because the first bracing wire, the second bracing wire and third bracing wire are wirerope, wirerope is not easy to break and has ductility, So being able to extend the service life of the first bracing wire, the second bracing wire and third bracing wire.
Because the first elastic component is spring, spring has high elastic limit, fatigue limit and impact flexibility, so can Extend the service life of the first elastic component.
The sea that controller selects Xiamen sea to produce for Science and Technology Ltd. is S24S0T type PLC controller, outside host 24VDC power supply, the input of 16 tunnels, the output of 8 tunnels.Input/output port is defined as: X0 is to start switch, and X1 is shutdown switch, X2 For emergency stop switch, X3 is sound transducer, and X4 is velocity sensor;Y0 is for controlling headlamp for controlling video camera, Y1. Electric control theory figure according to figure 7, those skilled in the art do not need creative labor, pass through programming Realize that controller controls each component and acted by above-mentioned working principle, the dependent instruction of programming is all the prior art, herein not It repeats again.
(3) beneficial effect
The effect that invention achieves experiment effects is obvious, drive efficiency is high, easy to operate, and make experimental result more Add accurate.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is second of schematic view of the front view of the invention.
Fig. 3 is the first overlooking structure diagram of the invention.
Fig. 4 is second of overlooking structure diagram of the invention.
Fig. 5 is the third overlooking structure diagram of the invention.
Fig. 6 is the schematic view of the front view of iron staff of the present invention.
Fig. 7 is electric control theory figure of the invention.
The label in accompanying drawing is: the first track of 1-, the second track of 2-, 3- bronze gong, 4- third track, 5- first support, 6- Third bracing wire, the second iron ball of 7-, 8- oscillating rod, the first elastic component of 9-, 10- triangular supports, 11- painting case, 12- piston, 13- Stereoplasm tube, 14- spray head, 15- push rod, 16- controller, 17- velocity sensor, 18- sound transducer, 19- trolley, 20- iron staff, The first bracing wire of 21-, the first iron ball of 22-, the electronic reel of 23-, the second bracing wire of 24-, the second elastic component of 25-, 26- first are supported Bar, 27- second support bar, 28- third support rod, the ground 29-, 30- shield, 31- tape measure, 32- oscillating cylinder.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of small motor vehicle drive system of physics teaching experiment, as shown in figs. 1-7, include the first track 1, the second track 2, Bronze gong 3, third track 4, first support 5, third bracing wire 6, the second iron ball 7, oscillating rod 8, the first elastic component 9, triangular supports 10, painting case 11, piston 12, stereoplasm tube 13, spray head 14, push rod 15, controller 16, velocity sensor 17, sound transducer 18, Trolley 19, iron staff 20, the first bracing wire 21, the first iron ball 22, electronic reel 23, the second bracing wire 24, the second elastic component 25, first Support rod 26, second support bar 27 and third support rod 28 are successively arranged first support bar 26, second on ground 29 from left to right Support rod 27 and third support rod 28,26 upper end of first support bar are equipped with the first track 1, and 27 upper end of second support bar is equipped with second Track 2,28 upper end of third support rod are equipped with third track 4, and 1 right end of the first track is connect with the second track 2, and the second track 2 is right End is connect with third track 4, is placed with trolley 19 on the second track 2, and 19 top center of trolley is provided with iron staff 20, after trolley 19 It is provided with sound transducer 18 on the right side of wall, velocity sensor 17 is provided on the right side of trolley 19, is provided with control on the right side of 19 antetheca of trolley Device 16 processed, 19 left wall of trolley are provided with the first bracing wire 21 and electronic reel 23, and the first bracing wire 21 is located at electronic reel 23 Rear, 21 lower end of the first bracing wire are provided with the first iron ball 22, and the second bracing wire 24 is wound on electronic reel 23, and third track 4 is left End is provided with bronze gong 3, and first support 5 is provided on the right side of third track 4, and 5 inner top of first support is provided with third bracing wire 6, the Three bracing wires, 6 lower end is connected with the second iron ball 7, and 2 front side of the second track is disposed with the first elastic component 9, triangle from left to right Bracket 10, the second elastic component 25 and painting case 11,10 rear end of triangular supports is hingedly connected with oscillating rod 8, before the second bracing wire 24 End is connect with oscillating rod 8, and the rear end of the first elastic component 9 and the second elastic component 25 is connect with oscillating rod 8, is cut with scissors on the right side of oscillating rod 8 It is connected to push rod 15 in succession, piston 12 is provided in painting case 11,15 front end of push rod connect with piston 12, is arranged on the right side of painting case 11 There is stereoplasm tube 13,13 rear end of stereoplasm tube is provided with spray head 14, and electronic reel 23, sound transducer 18 and velocity sensor 17 are equal It is connect respectively with controller 16.
It further include having shield 30,16 periphery of controller is provided with shield 30.
Further include having tape measure 31, tape measure 31 is provided on front side of third track 4.
Further include having oscillating cylinder 32, oscillating cylinder 32 is provided on stereoplasm tube 13, oscillating cylinder 32 and controller 16 connect It connects.
The material of first support 5 is Q235 steel.
First bracing wire 21, the second bracing wire 24 and third bracing wire 6 are wirerope.
First elastic component 9 is spring.
Working principle: originally, the second bracing wire 24 is in relaxed state, and painting case 11 is provided with suitable paint, works as people When needing to carry out physics teaching experiment, trolley 19 is placed on the first track 1 by people, and people applies certain effect to trolley 19 Power, so that trolley 19 slides, when trolley 19 is by the second track 2, the second bracing wire 24 is in tensioned state, trolley 19 continue to It moves right, the second bracing wire 24 is driven to move right, the second bracing wire 24 drives and moves backward on the left of oscillating rod 8,9 quilt of the first elastic component Stretch, so that move forward on the right side of oscillating rod 8, drive push rod 15 to move forward on the right side of oscillating rod 8, push rod 15 with piston 12 to Preceding movement so that piston 12 squeezes forward the paint in painting case 11 so that the paint in painting case 11 by stereoplasm tube 13 by Spray head 14 sprays, and paints to the wheel of trolley 19, and when spray painting is completed, controller 16 controls electronic reel 23 and works, So that the second bracing wire 24 is released, so that oscillating rod 8 resets under 9 elastic reaction of the first elastic component, trolley 19 continues to move right, When trolley 19 enters third track 4, the first iron ball 22 can tap bronze gong 3, and bronze gong 3 issues sound, and people is reminded to start timing, The sound of 18 pairs of sound transducer sendings is analyzed, and the instruction after analysis is transmitted to controller 16 by sound transducer 18, control Device 16 processed controls velocity sensor 17 and starts to work, and people can recorde speed when lower trolley 19 has just enter into third track 4 at this time Degree.Iron staff 20 while trolley 19 continues to move right on trolley 19 can tap the second iron ball 7, and the second iron ball 7 issues sound, It when sound stops, just representing trolley 19 and has stopped, people is reminded to stop timing, controller 16 controls sound transducer 18 and stops It only works, controller 16 controls electronic reel 23 and stops working, and controller 16 controls velocity sensor 17 and stops working.Trolley 19 during third track 4 is mobile, and the paint on wheel can leave the marking in third track 4, and people is facilitated to measure trolley The distance of 19 travelings, it is known that initial speed of the distance and trolley 19 that trolley 19 travels on third track 4 on third track 4 Degree, can calculate the coefficient of friction of third track 4.
Because further including having shield 30,16 periphery of controller is provided with shield 30, so during spray paint, it can To prevent controller 16 from being caused to damage by spray.
Because further including having tape measure 31, tape measure 31 is provided on front side of third track 4, so more convenient people measure trolley 19 The distance of traveling.
Because further including having oscillating cylinder 32, oscillating cylinder 32, oscillating cylinder 32 and controller are provided on stereoplasm tube 13 16 connections drive stereoplasm tube 13 to swing, Ke Yikuo so controller 16 controls oscillating cylinder 32 and works during spray paint The spray regime painted greatly.
Because the material of first support 5 is Q235 steel, Q235 steel is not easy to corrode, and toughness is strong, so being able to extend first The service life of frame 5.
Because the first bracing wire 21, the second bracing wire 24 and third bracing wire 6 are wirerope, wirerope is not easy to break and has and prolongs Malleability, so being able to extend the service life of the first bracing wire 21, the second bracing wire 24 and third bracing wire 6.
Because the first elastic component 9 is spring, spring has high elastic limit, fatigue limit and impact flexibility, so energy Enough extend the service life of the first elastic component 9.
The sea that controller 16 selects Xiamen sea to produce for Science and Technology Ltd. is S24S0T type PLC controller 16, outside host Portion 24VDC power supply, the input of 16 tunnels, the output of 8 tunnels.Input/output port is defined as: X0 is to start switch, and X1 is shutdown switch, X2 is emergency stop switch, and X3 is sound transducer 18, and X4 is velocity sensor 17;Y0 is for controlling for controlling video camera, Y1 Headlamp.Electric control theory figure according to figure 7, those skilled in the art do not need creative labor, pass through Programming can be realized controller 16 and control each component to be acted by above-mentioned working principle, and the dependent instruction of programming is all existing skill Art, details are not described herein.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (7)

1. a kind of small motor vehicle drive system of physics teaching experiment, which is characterized in that include the first track (1), the second track (2), bronze gong (3), third track (4), first support (5), third bracing wire (6), the second iron ball (7), oscillating rod (8), the first bullet Property part (9), triangular supports (10), painting case (11), piston (12), stereoplasm tube (13), spray head (14), push rod (15), control Device (16), velocity sensor (17), sound transducer (18), trolley (19), iron staff (20), the first bracing wire (21), the first iron ball (22), electronic reel (23), the second bracing wire (24), the second elastic component (25), first support bar (26), second support bar (27) With third support rod (28), first support bar (26), second support bar (27) and are successively arranged on ground (29) from left to right Three support rods (28), first support bar (26) upper end are equipped with the first track (1), and second support bar (27) upper end is equipped with the second track (2), third support rod (28) upper end is equipped with third track (4), and the first track (1) right end is connect with the second track (2), the second rail Road (2) right end is connect with third track (4), is placed on the second track (2) trolley (19), and trolley (19) top center is provided with Iron staff (20), trolley (19) rear wall right side are provided with sound transducer (18), are provided with velocity sensor on the right side of trolley (19) (17), be provided with controller (16) on the right side of trolley (19) antetheca, trolley (19) left wall be provided with the first bracing wire (21) and it is electronic around Line wheel (23), the first bracing wire (21) are located at the rear of electronic reel (23), and the first bracing wire (21) lower end is provided with the first iron ball (22), it is wound with the second bracing wire (24) on electronic reel (23), third track (4) left end is provided with bronze gong (3), third track (4) right side is provided with first support (5), and first support (5) inner top is provided with third bracing wire (6), and third bracing wire (6) lower end connects It is connected to the second iron ball (7), is disposed with the first elastic component (9), triangular supports from left to right on front side of the second track (2) (10), the second elastic component (25) and painting case (11), triangular supports (10) rear end are hingedly connected with oscillating rod (8), and second draws Line (24) front end is connect with oscillating rod (8), and the rear end of the first elastic component (9) and the second elastic component (25) connects with oscillating rod (8) Connect, be hingedly connected with push rod (15) on the right side of oscillating rod (8), is provided with piston (12) in painting case (11), push rod (15) front end with Piston (12) connection, painting case (11) right side are provided with stereoplasm tube (13), and stereoplasm tube (13) rear end is provided with spray head (14), described Wheel of the injection direction of spray head (14) towards (19) of the trolley, electronic reel (23), sound transducer (18) and speed Degree sensor (17) is connect with controller (16) respectively.
2. a kind of small motor vehicle drive system of physics teaching experiment according to claim 1, which is characterized in that further include have it is anti- Shield (30), controller (16) periphery are provided with shield (30).
3. a kind of small motor vehicle drive system of physics teaching experiment according to claim 1, which is characterized in that further include having volume Ruler (31), third track (4) front side are provided with tape measure (31).
4. a kind of small motor vehicle drive system of physics teaching experiment according to claim 1, which is characterized in that further include having pendulum It takes offence cylinder (32), is provided on stereoplasm tube (13) oscillating cylinder (32), oscillating cylinder (32) is connect with controller (16).
5. a kind of small motor vehicle drive system of physics teaching experiment according to claim 1, which is characterized in that first support (5) material is Q235 steel.
6. a kind of small motor vehicle drive system of physics teaching experiment according to claim 1, which is characterized in that the first bracing wire (21), the second bracing wire (24) and third bracing wire (6) are wirerope.
7. a kind of small motor vehicle drive system of physics teaching experiment according to claim 1, which is characterized in that the first elastic component It (9) is spring.
CN201610718267.3A 2016-08-24 2016-08-24 A kind of small motor vehicle drive system of physics teaching experiment CN106251743B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610718267.3A CN106251743B (en) 2016-08-24 2016-08-24 A kind of small motor vehicle drive system of physics teaching experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610718267.3A CN106251743B (en) 2016-08-24 2016-08-24 A kind of small motor vehicle drive system of physics teaching experiment

Publications (2)

Publication Number Publication Date
CN106251743A CN106251743A (en) 2016-12-21
CN106251743B true CN106251743B (en) 2019-01-11

Family

ID=57595549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610718267.3A CN106251743B (en) 2016-08-24 2016-08-24 A kind of small motor vehicle drive system of physics teaching experiment

Country Status (1)

Country Link
CN (1) CN106251743B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1063064A3 (en) * 1999-06-25 2001-07-11 Satoshi Tadokoro 6-Degree-of freedom travelling system
CN201437247U (en) * 2009-01-21 2010-04-14 重庆大学 Robot capable of crawling cable
CN203102004U (en) * 2012-11-15 2013-07-31 长安大学 Intelligent vehicle sound tracking control device
CN204632195U (en) * 2015-05-23 2015-09-09 王博然 Teaching physics facility
CN204803736U (en) * 2015-07-11 2015-11-25 李金泽 Highway marking off car
CN204833830U (en) * 2015-07-06 2015-12-02 王震海 Stay cord drive formula is overweight, and appearance is demonstrated to weightlessness
CN205014893U (en) * 2015-06-26 2016-02-03 浙江海洋学院东海科学技术学院 Automatic target practice dolly
CN205068928U (en) * 2015-11-02 2016-03-02 马传青 Novel physical teaching device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1063064A3 (en) * 1999-06-25 2001-07-11 Satoshi Tadokoro 6-Degree-of freedom travelling system
CN201437247U (en) * 2009-01-21 2010-04-14 重庆大学 Robot capable of crawling cable
CN203102004U (en) * 2012-11-15 2013-07-31 长安大学 Intelligent vehicle sound tracking control device
CN204632195U (en) * 2015-05-23 2015-09-09 王博然 Teaching physics facility
CN205014893U (en) * 2015-06-26 2016-02-03 浙江海洋学院东海科学技术学院 Automatic target practice dolly
CN204833830U (en) * 2015-07-06 2015-12-02 王震海 Stay cord drive formula is overweight, and appearance is demonstrated to weightlessness
CN204803736U (en) * 2015-07-11 2015-11-25 李金泽 Highway marking off car
CN205068928U (en) * 2015-11-02 2016-03-02 马传青 Novel physical teaching device

Also Published As

Publication number Publication date
CN106251743A (en) 2016-12-21

Similar Documents

Publication Publication Date Title
CN206754750U (en) A kind of new higher education exhibiting device
CN205075806U (en) Full -automatic car washer based on laser positioning technique
CN103076153B (en) Resistance testing device for cable-towed ship model
TW200724324A (en) Fastener driving device
RU2013143287A (en) Method for operating a vehicle equipped with a pneumatic supply system
CN202114207U (en) Special riveting machine for vehicle safety belt coiling core shaft
CN205428288U (en) Intelligent vehicle educational machine people
CN203091653U (en) Rivet feeding device
CN106422854A (en) Blister varnish dilution device for blister package production
CN207114079U (en) A kind of pantograph carbon slide loss real-time monitoring device
CN204639871U (en) A kind of steel tube derusting machine
CN206107388U (en) Large -scale steel frame construction is with robot platform device of crawling
CN203003451U (en) Automatic length-setting chain link disassembling device
CN206083746U (en) Nailing machine is sent in forced automation
CN101538830B (en) Bridge cable health detection robot
CN204901203U (en) Water supply line inner wall sniffing robot
CN206583709U (en) A kind of mechanics of materials tensile test device
CN201949658U (en) Program-controlled wire device with two degrees of freedom
CN103056865A (en) Pneumatic manipulator for teaching
CN205807155U (en) A kind of street lamp with fire nozzle
CN201495972U (en) Reeling type sunshade curtain
CN103862080A (en) Automatic online drilling device for rim
CN103009391A (en) Variable-structure rope-traction parallel robot for wind tunnel test
CN103316878A (en) Bottle washing device capable of shaking bottle body
CN103798085A (en) Manufacturing and using method for air pump type trunk coating vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant