CN205670411U - Hydropneumatic multi-function test stand is used in teaching - Google Patents
Hydropneumatic multi-function test stand is used in teaching Download PDFInfo
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- CN205670411U CN205670411U CN201620254227.3U CN201620254227U CN205670411U CN 205670411 U CN205670411 U CN 205670411U CN 201620254227 U CN201620254227 U CN 201620254227U CN 205670411 U CN205670411 U CN 205670411U
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- electromagnetic valve
- way electromagnetic
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- cylinder
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Abstract
The utility model discloses a kind of teaching hydropneumatic multi-function test stand, including testing stand body, hydrostatic transmission module, pneumatic gearing unit, control unit, hydraulic power unit and high pressure air bottle；Hydrostatic transmission module includes hydraulic cylinder and the first three position four-way electromagnetic valve；First, second one-way throttle valve it is provided with between first three position four-way electromagnetic valve and hydraulic cylinder；The first Pressure gauge and overflow valve it is provided with between hydraulic power unit and the first three position four-way electromagnetic valve；Hydraulic cylinder is provided with travel switch and display lamp；Pneumatic gearing unit includes cylinder and the second three position four-way electromagnetic valve；The three, the 4th one-way throttle valves it are provided with between second three position four-way electromagnetic valve and cylinder；Pressure regulator valve and the second Pressure gauge it is provided with between second three position four-way electromagnetic valve and high pressure air bottle；Cylinder is provided with travel switch and display lamp；Control unit includes PLC and control panel.This laboratory table or can separately carry out Teaching of Hydraulic Transmission Course and pneumatic gearing teaching simultaneously.
Description
Technical field
This utility model relates to a kind of experiment device for teaching, particularly relates to a kind of teaching hydropneumatic multi-function test stand.
Background technology
At present, scope all ratios that hydraulic technique and pneumatics are applied in reality are wide.In order to strengthen student this two
The application level of aspect, school is all to be divided among different place, different time, use different experiments in the past teaching
Device is tested, and so there will be some problem following: one, owing to dispersed placement can reduce the utilization rate in space；Its two,
Due to the similarity of two kinds of technology, separately teaching can reduce the efficiency of Students ' Learning；Its three, hydraulic pressure separates experiment with pneumatic, increases
Add the cost of experimental provision.
Therefore, it is necessary to develop a kind of Teaching of Hydraulic Transmission Course that can be used for can be used for again the compbined test of pneumatic gearing teaching
Platform.
Summary of the invention
The purpose of this utility model is that providing one can be used for Teaching of Hydraulic Transmission Course can be used for again pneumatic gearing teaching
Teaching hydropneumatic multi-function test stand.
For achieving the above object, the teaching hydropneumatic multi-function test stand designed by this utility model includes testing the playscript with stage directions
Body, described testing stand body is provided with hydrostatic transmission module, pneumatic gearing unit, control unit, hydraulic power unit and high pressure empty
Gas cylinder；Described hydrostatic transmission module includes that (" first " is prefix, is only used for differentiation portion for hydraulic cylinder and the first three position four-way electromagnetic valve
Part, " first "～" the 4th " of this patent other parts the like)；Four passages of described first three position four-way electromagnetic valve divide
Not (the left and right actual installation position that do not represents is not only used for two on difference hydraulic cylinder with the left oil inleting port of hydraulic cylinder and right oil-in
Individual oil-in), the oil transportation end of hydraulic power unit is connected with oil revolving end；Described first three position four-way electromagnetic valve and the right oil-feed of hydraulic cylinder
It is respectively arranged with the first one-way throttle valve and the second one-way throttle valve, the check valve of two one-way throttle valves between mouth and left oil inleting port
Circulating direction is from hydraulic cylinder to the first three position four-way electromagnetic valve (check valve reversely ends)；The oil transportation end of described hydraulic power unit
And it is provided with the first Pressure gauge between the first three position four-way electromagnetic valve；Described first three position four-way electromagnetic valve and hydraulic power unit oil transportation
Hold the oil pipeline being connected and be provided with overflow valve between the oil returning tube being connected with hydraulic power unit oil revolving end；Described hydraulic cylinder
It is provided with the first travel switch and the first display lamp (each travel switch and the corresponding finger indicating its piston rod elongation extreme position
Showing that lamp electrically connects, when travel switch is triggered, corresponding display lamp is bright, lower same), and indicate its piston rod to shorten limit position
The second travel switch put and the second display lamp；Described pneumatic gearing unit includes cylinder and the second three position four-way electromagnetic valve；Institute
State three passages of the second three position four-way electromagnetic valve and (left and right do not represent reality with the left air inlet of cylinder and right air inlet respectively
Installation site, is only used for distinguishing two air inlets on cylinder) and high pressure air bottle be connected, described second three position four-way electromagnetic valve
The emptying of the 4th passage；It is respectively provided with between described second three position four-way electromagnetic valve and the left air inlet of cylinder and right air inlet
Having the 3rd one-way throttle valve and the 4th one-way throttle valve, the check valve circulating direction of two one-way throttle valves is from cylinder to second
Three position four-way electromagnetic valve (check valve reversely ends)；It is provided with tune between described second three position four-way electromagnetic valve and high pressure air bottle
Pressure valve and the second Pressure gauge；Described cylinder is provided with third trip switch and the 3rd finger indicating its piston rod to shorten extreme position
Show lamp, and indicate fourth line journey switch and the 4th display lamp of its piston rod elongation extreme position；Described control unit includes
PLC (Programmable Logic Controller) and the control panel being connected with PLC；The control signal outfan of described PLC and the one or three four
Three-way electromagnetic valve, the control signal input of the second three position four-way electromagnetic valve are connected.The function that this laboratory table can realize includes hydraulic pressure
Loop and the commutation of pneumatic circuit, speed governing and pressure regulation, and can simultaneously or separately carry out Teaching of Hydraulic Transmission Course and pneumatic gearing
Teaching.
Preferably, it is additionally provided with filter, to liquid between oil transportation end and first three position four-way electromagnetic valve of described hydraulic power unit
Force feed filters, and prevents electromagnetic valve blocking or abrasion.
Preferably, described hydraulic cylinder is visual double acting hydraulic cylinder, facilitates the situation in observation of students hydraulic cylinder.
Preferably, it is additionally provided with two-position three way hand-operated valve between described second three position four-way electromagnetic valve and high pressure air bottle.
Two-position three way hand-operated valve connects air bottle and three position four-way electromagnetic valve under normal circumstances, when need repairing pneumatic element time, can
So that the pressure-air of pneumatic circuit is arranged to air, convenient maintenance.
Preferably, described cylinder is visual double-acting cylinder, facilitates the situation in observation of students cylinder.
Preferably, described testing stand body includes tilt operation face, described hydrostatic transmission module, pneumatic gearing unit and control
Unit processed is arranged on described tilt operation face.
Preferably, described control panel uses touch screen to control.
The beneficial effects of the utility model are: 1) multinomial selectivity, can according to the demand of teaching simultaneously or separate into
Teaching in terms of row hydraulic drive and pneumatic gearing；2) with low cost, hydraulic circuit and pneumatic circuit apply a set of control unit；
3) visualization is high, applies visual double acting hydraulic cylinder and cylinder, can clearly observe the action in all kinds of loop.4) may be used
So that the application automatically controlled is learnt；5) simple in construction, can get information about very much the principle of hydraulic drive and pneumatic gearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the teaching hydropneumatic multi-function test stand designed by this utility model.
Fig. 2 is the pipeline wiring diagram of hydrostatic transmission module in Fig. 1.
Fig. 3 is the pipeline wiring diagram of Fig. 1 pneumatic gearing unit.
Wherein: tilt operation face 1, levels operation face 2, bottom clamshell doors 3, hydrostatic transmission module 4,4.1, first section of filter
Only valve 4.2, overflow valve the 4.3, second stop valve the 4.4, first Pressure gauge the 4.5, first three position four-way electromagnetic valve 4.6, first are unidirectional
Choke valve the 4.7, second one-way throttle valve 4.8, hydraulic cylinder the 4.9, first travel switch the 4.10, first display lamp HL1, the second stroke
Switch the 4.11, second display lamp HL2, pneumatic gearing unit 5, pressure regulator valve the 5.1, the 3rd stop valve the 5.2, second Pressure gauge 5.3, two
Position threeway hand-operated valve the 5.4, second three position four-way electromagnetic valve the 5.5, the 3rd one-way throttle valve the 5.6, the 4th one-way throttle valve 5.7, gas
Cylinder 5.8, third trip switch the 5.9, the 3rd display lamp HL3, fourth line journey switch the 5.10, the 4th display lamp HL4, control unit
6, hydraulic power unit 8, high pressure air bottle 9.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, the hydropneumatic multi-function test stand of the teaching designed by this utility model, including the test playscript with stage directions
Body, hydrostatic transmission module 4, pneumatic gearing unit 5 and control unit 6.Testing stand body is formed by Plate Welding, including tilting behaviour
Make face 1, levels operation face 2, bottom clamshell doors 3 and back side clamshell doors.Back side clamshell doors is used for connecting circuit, I&M unit
Device.Hydrostatic transmission module 4, pneumatic gearing unit 5 and control unit 6 it is provided with on tilt operation face 1.Various fluid drives
Part and pneumatic transmission device are bolted on tilt operation face 1 by fixing, are then connected by pipeline.Control unit 6
Control panel touch screen embeds in tilt operation face 1, fixes with bolt.Testing stand body interior hollow, is disposed with hydraulic pressure in it
Pumping plant 8 and high pressure air bottle 9, respectively hydrostatic transmission module 4 and pneumatic gear unit 5 provide hydraulic oil and pressure-air.
Hydrostatic transmission module 4 includes hydraulic cylinder 4.9 and the first three position four-way electromagnetic valve 4.6.Hydraulic cylinder 4.9 is visual double cropping
Use hydraulic cylinder.Four passages of the first three position four-way electromagnetic valve 4.6 respectively with the left oil inleting port of hydraulic cylinder 4.9 and right oil-in,
The oil transportation end of hydraulic power unit 8 is connected with oil revolving end.The right oil-in of the first three position four-way electromagnetic valve 4.6 and hydraulic cylinder 4.9 and a left side
The first one-way throttle valve 4.7 and the second one-way throttle valve 4.8 it is respectively arranged with between oil-in.The oil transportation end of hydraulic power unit 8 with
Filter the 4.1, first stop valve 4.2 and the first Pressure gauge 4.5 it is provided with between first three position four-way electromagnetic valve 4.6.First pressure
The second stop valve 4.4 it is provided with on the pipe laying of table 4.5.First three position four-way electromagnetic valve 4.6 and hydraulic power unit 8 oil transportation end phase
It is provided with overflow valve 4.3 between the oil pipeline connected and the oil returning tube being connected with hydraulic power unit 8 oil revolving end.Hydraulic cylinder 4.9
It is provided with the first travel switch 4.10 and the first display lamp HL1 indicating its piston rod elongation extreme position, and indicates it to live
Stopper rod shortens the second travel switch 4.11 and the second display lamp HL2 of extreme position.First travel switch 4.10 and the first instruction
Lamp HL1 is connected by cable, and the second travel switch 4.11 and the second display lamp HL2 is connected by cable.
Pneumatic gearing unit 5 includes cylinder 5.8 and the second three position four-way electromagnetic valve 5.5.Cylinder 5.8 is visual double acting gas
Cylinder.Three passages of the second three position four-way electromagnetic valve 5.5 respectively with the left air inlet of cylinder 5.8 and right air inlet and pressure-air
Bottle 9 is connected, the 4th passage emptying of the second three position four-way electromagnetic valve 5.5.Second three position four-way electromagnetic valve 5.5 and cylinder 5.8
Left air inlet and right air inlet between be respectively arranged with the 3rd one-way throttle valve 5.6 and the 4th one-way throttle valve 5.7.Two or three
Pressure regulator valve the 5.1, second Pressure gauge 5.3 and two-position three way hand-operated valve it is provided with between position four-way solenoid valve 5.5 and high pressure air bottle 9
5.4, the pipe laying of the second Pressure gauge 5.3 is provided with the 3rd stop valve 5.2.Cylinder 5.8 is provided with instruction its piston rod contracting
The third trip switch 5.9 and the 3rd display lamp HL3 of short extreme position, and indicate the 4th of its piston rod elongation extreme position the
Travel switch 5.10 and the 4th display lamp HL4.Third trip switch 5.9 and the 3rd display lamp HL3 is connected by cable, fourth line
Cheng Kaiguan 5.10 and the 4th display lamp HL4 is connected by cable.
Control unit 6 includes PLC and the control panel being connected with PLC.The control signal outfan of PLC and the one or three
The control signal input of four way solenoid valve the 4.6, second three position four-way electromagnetic valve 5.5 is connected.Control panel uses touch screen control
System.
As in figure 2 it is shown, when carrying out the hydraulic cylinder commutation function teaching demonstration of hydrostatic transmission module 4, in control unit 6
Control panel touch screen sends on-off model control PLC, then PLC control the first three position four-way electromagnetic valve 4.6 dead electricity
State, controls the pipeline of hydraulic oil oil-in, so that the piston rod of hydraulic cylinder 4.9 moves left and right.Piston when hydraulic cylinder 4.9
The first travel switch 4.10 or the second travel switch 4.11 can be triggered when bar moves to Derivative limit on the left or on the right state, the most corresponding first
Display lamp HL1 or the second display lamp HL2 can be bright, completes the hydraulic cylinder commutation function teaching demonstration of hydraulic pressure unit.Hydraulic circuit
Voltage regulation function teaching demonstration realizes by the adjusting knob of regulation relief valve 4.3, and circuit pressure is shown by the first Pressure gauge 4.5.
The speed-regulating function teaching demonstration of hydraulic circuit is real by the adjusting knob of the first one-way throttle valve 4.7 and the second one-way throttle valve 4.8
Existing.Filter 4.1 plays the effect of filtrate force feed.First stop valve 4.2 plays the effect closing hydraulic circuit oil-feed house steward.Second
Stop valve 4.4 is used for separating the first Pressure gauge 4.5 and fluid pressure line.
As it is shown on figure 3, when carrying out pneumatic gearing unit 5 cylinder commutation function teaching demonstration, the control in control unit 3
Panel touch screen sends on-off model control PLC, then PLC control the second three position four-way electromagnetic valve 5.5 power failure state,
Control pressure-air inlet ductwork, so that cylinder 5.8 moves left and right.Can touch when cylinder 5.8 moves to Derivative limit on the left or on the right position
Send out third trip switch 5.9 or fourth line journey switch 5.10, the most corresponding 3rd display lamp HL3 or the 4th display lamp HL4 meeting
Bright, complete the cylinder commutation function teaching demonstration of pneumatic unit.The voltage regulation function teaching demonstration of pneumatic circuit is by regulation pressure regulator valve
The adjusting knob of 5.1 realizes, and circuit pressure is shown by the second Pressure gauge 5.3.The speed-regulating function teaching demonstration of pneumatic circuit leans on
The adjusting knob of the 3rd one-way throttle valve 5.6 and the 4th one-way throttle valve 5.7 realizes.3rd stop valve 5.2 is used for separating second
Pressure gauge 5.3 and pneumatic line.
Claims (7)
1. teaching uses a hydropneumatic multi-function test stand, including testing stand body, it is characterised in that: on described testing stand body
It is provided with hydrostatic transmission module (4), pneumatic gearing unit (5), control unit (6), hydraulic power unit (8) and high pressure air bottle (9)；
Described hydrostatic transmission module (4) includes hydraulic cylinder (4.9) and the first three position four-way electromagnetic valve (4.6)；Described one or three
Four passages of four way solenoid valve (4.6) respectively with the left oil inleting port of hydraulic cylinder (4.9) and right oil-in, hydraulic power unit (8)
Oil transportation end is connected with oil revolving end；The right oil-in of described first three position four-way electromagnetic valve (4.6) and hydraulic cylinder (4.9) and left oil-feed
The first one-way throttle valve (4.7) and the second one-way throttle valve (4.8) it is respectively arranged with between Kou；Described hydraulic power unit (8) defeated
It is provided with the first Pressure gauge (4.5) between oil end and the first three position four-way electromagnetic valve (4.6)；Described first three position four-way electromagnetic valve
(4.6) oil pipeline being connected with hydraulic power unit (8) oil transportation end and the oil returning tube being connected with hydraulic power unit (8) oil revolving end it
Between be provided with overflow valve (4.3)；Described hydraulic cylinder (4.9) is provided with and indicates the first stroke of its piston rod elongation extreme position to open
Close (4.10) and the first display lamp (HL1), and indicate its piston rod shortening extreme position the second travel switch (4.11) and
Second display lamp (HL2)；
Described pneumatic gearing unit (5) includes cylinder (5.8) and the second three position four-way electromagnetic valve (5.5)；Described two or three four
Three passages of three-way electromagnetic valve (5.5) respectively with the left air inlet of cylinder (5.8) and right air inlet and high pressure air bottle (9) phase
Even, the 4th passage emptying of described second three position four-way electromagnetic valve (5.5)；Described second three position four-way electromagnetic valve (5.5) with
It is respectively arranged with the 3rd one-way throttle valve (5.6) and the 4th one-way throttle between left air inlet and the right air inlet of cylinder (5.8)
Valve (5.7)；It is provided with pressure regulator valve (5.1) and second between described second three position four-way electromagnetic valve (5.5) and high pressure air bottle (9)
Pressure gauge (5.3)；Described cylinder (5.8) be provided with indicate its piston rod shorten extreme position third trip switch (5.9) and
3rd display lamp (HL3), and indicate fourth line journey switch (5.10) and the 4th display lamp of its piston rod elongation extreme position
(HL4)；
Described control unit (6) includes PLC and the control panel being connected with PLC；The control signal outfan of described PLC and
One three position four-way electromagnetic valve (4.6), the control signal input of the second three position four-way electromagnetic valve (5.5) are connected.
Teaching hydropneumatic multi-function test stand the most according to claim 1, it is characterised in that: described hydraulic power unit (8)
Oil transportation end and the first three position four-way electromagnetic valve (4.6) between be additionally provided with filter (4.1).
Teaching hydropneumatic multi-function test stand the most according to claim 1, it is characterised in that: described hydraulic cylinder (4.9)
For visual double acting hydraulic cylinder.
Teaching hydropneumatic multi-function test stand the most according to claim 1, it is characterised in that: described second 3-position 4-way
Two-position three way hand-operated valve (5.4) it is additionally provided with between electromagnetic valve (5.5) and high pressure air bottle (9).
Teaching hydropneumatic multi-function test stand the most according to claim 1, it is characterised in that: described cylinder (5.8) is
Visual double-acting cylinder.
Teaching hydropneumatic multi-function test stand the most according to claim 1, it is characterised in that: described testing stand body bag
Include tilt operation face (1), described hydrostatic transmission module (4), pneumatic gearing unit (5) and control unit (6) be arranged on described in incline
Tiltedly on operating surface (1).
7. according to the teaching hydropneumatic multi-function test stand according to any one of claim 1～6, it is characterised in that: described
Control panel uses touch screen to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254227.3U CN205670411U (en) | 2016-03-29 | 2016-03-29 | Hydropneumatic multi-function test stand is used in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254227.3U CN205670411U (en) | 2016-03-29 | 2016-03-29 | Hydropneumatic multi-function test stand is used in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205670411U true CN205670411U (en) | 2016-11-02 |
Family
ID=57192883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254227.3U Expired - Fee Related CN205670411U (en) | 2016-03-29 | 2016-03-29 | Hydropneumatic multi-function test stand is used in teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205670411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192046A (en) * | 2018-09-28 | 2019-01-11 | 西北工业大学 | A kind of hydraulic circuit comprehensive experiment table Internet-based |
| CN110211478A (en) * | 2019-04-24 | 2019-09-06 | 中广核核电运营有限公司 | A kind of hydraulic testing apparatus and test method |
-
2016
- 2016-03-29 CN CN201620254227.3U patent/CN205670411U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192046A (en) * | 2018-09-28 | 2019-01-11 | 西北工业大学 | A kind of hydraulic circuit comprehensive experiment table Internet-based |
| CN110211478A (en) * | 2019-04-24 | 2019-09-06 | 中广核核电运营有限公司 | A kind of hydraulic testing apparatus and test method |
| CN110211478B (en) * | 2019-04-24 | 2021-08-27 | 中广核核电运营有限公司 | Hydraulic test device and test method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161102 Termination date: 20170329 |