CN202167179U - Hydraulic transmission teaching experiment apparatus - Google Patents
Hydraulic transmission teaching experiment apparatus Download PDFInfo
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- CN202167179U CN202167179U CN2011202904394U CN201120290439U CN202167179U CN 202167179 U CN202167179 U CN 202167179U CN 2011202904394 U CN2011202904394 U CN 2011202904394U CN 201120290439 U CN201120290439 U CN 201120290439U CN 202167179 U CN202167179 U CN 202167179U
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Abstract
The utility model relates to a hydraulic transmission teaching experiment apparatus, belonging to the field of experiment apparatus, wherein an oil tank 1 is connected with the oil inlet of a hydraulic constant delivery pump, an oil tank 2 is connected with an overflow valve, the overflow valve and the oil outlet of the hydraulic constant delivery pump are simultaneously connected with a hydraulic pressure gauge, the overflow valve and the oil outlet of the hydraulic constant delivery pump are connected with a three-position four-way change valve, the three-position four-way change valve is connected with the oil tank and also with flow dividing and combining valves, the flow dividing and combining valves are connected with the inlet of a speed synchronization valve, the outlet of the speed synchronization valve is respectively connected with the rodless cavities of difunctional hydraulic cylinders, the cavities with a rod of the difunctional hydraulic cylinders are connected with the three-position four-way change valve, and origin stroke control switches and terminal stroke control switches are respectively arranged on the work path of the rods of the difunctional hydraulic cylinders. The hydraulic transmission teaching experiment apparatus has the advantages of being novel in structure, improving and perfecting the control means, realizing function and reliability, etc., realizing the integration of machines, electric power, fluid and computers, and enabling the practice capability and innovation capability of students to be increased.
Description
Technical field
The utility model belongs to experimental provision, refers in particular to a kind of experiment device for teaching.
Background technology
Hydraulic pressure and pneumatic transmission are the kinds of drive main in the current industrial, thereby hydraulic pressure and pneumatic transmission course are classified as the important course of mechanical automation, numerical control class Major.As the hydraulic test of its important component part, mainly be on hydraulic test equipment, to accomplish, yet the experimental facilities that at present most of inside and outside the province colleges and universities use is still traditional hydraulic test device.
The technical performance index of conventional hydraulic experimental provision control system is low, and great majority are by relay circuit control, and automaticity is low, and time-delay is big, low, the poor stability of reliability; Hydraulic Elements and the pipeline position on experiment table can not arbitrarily change, the hydraulic circuit function singleness, and what be unfavorable for cultivating the student puts into practice manipulative ability and innovation ability; Simultaneously almost be blank aspect data processing, can not realize automatically functions such as data collection, analysis, processing, demonstration, real-time curve drafting, printings; Aspect the Detection & Controling of physical quantitys such as the displacement of the pressure of system circuit, hydraulic cylinder, liquid level, solenoid directional control valve adhesive, trip time, do not reaching precisely yet.Greatly influenced the science of teaching, scientific research, brought inconvenience to teachers and students.
At present; The student of the specialty that mechanical automation specialty, numerical control specialty etc. are relevant with robotization control is to utilize traditional hydraulic test device to carry out replication experiment when carrying out the hydrostatic control experiment, can only write laboratory report through the content that the teacher lectured.What many students and the unclear experiment content essence of doing is.Simultaneously, owing to be replication experiment, can not make the real course of work of students understand hydraulic control system.Also just can't get a real idea of the various hardware and the control theory learned of mechanical automation, numerical control specialty.The graduate of mechanical automation, the numerical control specialty back of graduating all is really not start the shortcoming of lacking experience replenishing school through real work in a very long time.
Summary of the invention
The utility model provides a kind of hydrostatic transmission experiment device for teaching, to solve the problem that replication experiment can not make the real course of work of students understand hydraulic control system.
The technical scheme of the utility model is: fuel tank one is connected with hydraulic pressure fixed displacement pump oil-in; Fuel tank two is connected with surplus valve; Surplus valve is connected hydraulic gage simultaneously with hydraulic pressure fixed displacement pump oil-out; Surplus valve is connected with three position four-way directional control valve with hydraulic pressure fixed displacement pump oil-out, and three position four-way directional control valve is connected with fuel tank, and three position four-way directional control valve is connected with flow divider-combiner; Flow divider-combiner is connected with the speed synchronization valve inlet; The speed synchronization valve outlet port is connected with the rodless cavity of double acting hydraulic cylinder respectively, and the rod chamber of double acting hydraulic cylinder is connected with three position four-way directional control valve, on the operating path of double acting hydraulic cylinder bar respectively with place initial point travel control switch, terminal point travel control switch.
The advantage of the utility model is: novel structure; Experimental provision in control device, realize that function and reliability etc. do very big improvement and perfect aspect many; Realized that mechanical, electrical, liquid and computing machine are integrated; Cooperate the requirement of the Reform of Experiment Teaching of hydraulic pressure and pneumatic transmission course simultaneously, students practise manipulative ability, innovation ability are improved, let the student understand the comprehensive knowledge of subject specialty.Simultaneously can also satisfy the application of high ferro industry aspect prestress control.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Fuel tank 1 is connected with hydraulic pressure fixed displacement pump 4 oil-ins; Fuel tank 22 is connected with surplus valve 3; Surplus valve 3 is connected hydraulic gage 5 simultaneously with hydraulic pressure fixed displacement pump 4 oil-outs; Surplus valve 3 is connected with three position four-way directional control valve 7 with hydraulic pressure fixed displacement pump 4 oil-outs, and three position four-way directional control valve 7 is connected with fuel tank 6, and three position four-way directional control valve 7 is connected with flow divider-combiner 8; Flow divider-combiner 8 is connected with speed synchronization valve 9 inlets; Speed synchronization valve 9 outlet is connected with the rodless cavity of double acting hydraulic cylinder 10 respectively, and the rod chamber of double acting hydraulic cylinder 10 is connected with three position four-way directional control valve 7, on the operating path of double acting hydraulic cylinder 10 bars respectively with placement initial point travel control switch 11, terminal point travel control switch 12.
The working method of the utility model
The control action of two double acting hydraulic cylinders 10 is back and forth to stretch, and presses start button, and motor is started working; The drive hydraulic pump is started working, and as initial point, hydraulic cylinder begins to stretch out with travel control switch 11; Oiler begins oil-feed, stops to stretch out as terminal point with travel control switch 12, and oiler stops oil-feed; Two cylinders begin drawing simultaneously, and oiler begins fuel-displaced, is consistent for the guarantor makes the speed of two passages; Controlled by speed synchronization valve 9 in the process, two actions are by 7 controls of 3-position 4-way solenoid directional control valve, and the pressure of hydraulic cylinder is detected by hydraulic gage 5 in real time in this process; Can realize the flow turnover speed function control to hydraulic cylinder according to the speed of subscribing, this process is realized by flow divider-combiner 8 controls.
Claims (1)
1. hydrostatic transmission experiment device for teaching; It is characterized in that: fuel tank one is connected with hydraulic pressure fixed displacement pump oil-in; Fuel tank two is connected with surplus valve, and surplus valve is connected hydraulic gage simultaneously with hydraulic pressure fixed displacement pump oil-out, and surplus valve is connected with three position four-way directional control valve with hydraulic pressure fixed displacement pump oil-out; Three position four-way directional control valve is connected with fuel tank; Three position four-way directional control valve is connected with flow divider-combiner, and flow divider-combiner is connected with the speed synchronization valve inlet, and the speed synchronization valve outlet port is connected with the rodless cavity of double acting hydraulic cylinder respectively; The rod chamber of double acting hydraulic cylinder is connected with three position four-way directional control valve, on the operating path of double acting hydraulic cylinder bar respectively with place initial point travel control switch, terminal point travel control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202904394U CN202167179U (en) | 2011-08-11 | 2011-08-11 | Hydraulic transmission teaching experiment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202904394U CN202167179U (en) | 2011-08-11 | 2011-08-11 | Hydraulic transmission teaching experiment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202167179U true CN202167179U (en) | 2012-03-14 |
Family
ID=45802991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202904394U Expired - Fee Related CN202167179U (en) | 2011-08-11 | 2011-08-11 | Hydraulic transmission teaching experiment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202167179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299503A (en) * | 2014-08-12 | 2015-01-21 | 北京理工大学 | Heavy object loading hydraulic transmission experiment teaching system and experiment method thereof |
| CN105741673A (en) * | 2016-04-29 | 2016-07-06 | 唐山学院 | Portable hydraulic drive basic principle demonstrating device |
-
2011
- 2011-08-11 CN CN2011202904394U patent/CN202167179U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299503A (en) * | 2014-08-12 | 2015-01-21 | 北京理工大学 | Heavy object loading hydraulic transmission experiment teaching system and experiment method thereof |
| CN104299503B (en) * | 2014-08-12 | 2017-03-29 | 北京理工大学 | A kind of weight loading Pattern of Hydraulic Experiment Teaching system and its experimental technique |
| CN105741673A (en) * | 2016-04-29 | 2016-07-06 | 唐山学院 | Portable hydraulic drive basic principle demonstrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20130811 |