CN104200741A - Demonstration device of operating principle of hydraulic system - Google Patents
Demonstration device of operating principle of hydraulic system Download PDFInfo
- Publication number
- CN104200741A CN104200741A CN201410464933.6A CN201410464933A CN104200741A CN 104200741 A CN104200741 A CN 104200741A CN 201410464933 A CN201410464933 A CN 201410464933A CN 104200741 A CN104200741 A CN 104200741A
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- cylinder
- organic glass
- oil
- base
- lifting
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Abstract
Disclosed is a demonstration device of the operating principle of a hydraulic system. The demonstration device comprises a base, and a lifting cylinder support composed of organic glass side plates on two sides and an organic glass top plate. The organic glass side plates on two sides are arranged on the base, and the organic glass top plate is lapped on the organic glass side plates on two sides, four lifting hydraulic cylinders identical in structure are fixed on the lower end face of the organic glass top plate, lifting cylinder piston rods of the lifting hydraulic cylinders penetrate the organic glass top plate respectively to be connected with a weight tray arranged on the organic glass top plate, the bottom surface of the weight tray is connected with limit parts penetrating the organic glass top plate, the lifting hydraulic cylinders are communicated with a flow distribution cylinder through a flow distribution pipe connected at the bottom of the flow distribution cylinder, the flow distribution cylinder is communicated with a pump cylinder fixed on the base through an oil pressurizing pipe connected at the bottom of the pump cylinder, an oil suction port of the pump cylinder is communicated with a container arranged on the base through an oil suction port, the top end of a pump cylinder piston rod of the pump cylinder is hinged to a lever handle, one end of the lever handle is hinged to a lever support plate, and the lever support plate is fixed on the base. The demonstration device is simple in structure, small, convenient and capable of clearly demonstrating the operating principle of the hydraulic system for students.
Description
Technical field
The present invention relates to a kind of teaching demonstration device.Particularly relate to a kind of hydraulic work system presentation device of theory.
Background technology
Hydraulic System Principle apparatus for demonstrating is applicable to the displaying of hydraulic work system principle.The principle of work of hydraulic system is involved and abstruse hard to understand by conventional theory explaination, and the experiment table volume that is usually used in aided education is very large, be not suitable for classroom instruction, in view of above reason, the demonstration console that designs a kind of portable hydraulic work system principle is very necessary.Not yet there is at present the demonstration operating means of hydraulic work system principle, therefore, at classroom teaching, more difficult to the understanding of hydraulic work system principle.
Summary of the invention
Technical matters to be solved by this invention is, provide a kind of small and exquisite convenient, be suitable for the hydraulic work system presentation device of theory that classroom instruction is used.
The technical solution adopted in the present invention is: a kind of hydraulic work system presentation device of theory, include base, be arranged on base by being vertically set on the organic glass side plate of both sides and fixedly riding over the load lifting cylinder support that the organic glass top board on the organic glass side plate of both sides forms, on the lower surface of described organic glass top board, be fixedly installed four lifting hydraulic cylinders that structure is identical, the piston of load lifting cylinder bar of described four lifting hydraulic cylinders runs through respectively described organic glass top board and connects and support the weight pallet being positioned at above organic glass top board, the bottom surface of described weight pallet be connected with run through the setting of described organic glass top board for limiting the locating part of described weight pallet lifting height, the cylinder body of described four lifting hydraulic cylinders is connected to the flow pipe of bottom and is arranged on the oil-out that flow cylinder top is connected with the described flow pipe other end by one end respectively and is connected with described flow cylinder, described flow cylinder is connected to the pressuring oil pipe of bottom and is arranged on the force feed mouth being connected with the other end of described pressuring oil pipe on pumping cylinder by one end and is connected with the pumping cylinder being fixed on base, the inlet port of described pumping cylinder is communicated with and is arranged on base for holding the container of hydraulic oil by fuel sucking pipe, the hinged connection lever handle in top of the pumping cylinder piston rod of described pumping cylinder, the termination of described lever handle one end links in lever back up pad, described lever back up pad is fixed on described base, the oil-out at described flow cylinder top is also communicated with described container by recirculatory pipe and the backflow switch being arranged on recirculatory pipe, described pumping cylinder is to be fixed on base by support.
Described locating part includes the gag lever post that runs through described organic glass top board, be connected to the connecting portion for being fixedly connected with the bottom surface of described weight pallet on described gag lever post top, and be connected to described gag lever post bottom, and be positioned at the positive stop lug boss below described organic glass top board.
Described pumping cylinder includes the cylinder body that holds pumping cylinder piston rod, described force feed interruption-forming is in the bottom of described cylinder body casing wall, described inlet port is arranged on the bottom of described cylinder body, the top of described cylinder body casing wall is also formed with the stop screw mounting hole of deviating from from cylinder body for spacing described pumping cylinder piston rod, and on described cylinder interior bottom surface, corresponding described inlet port is provided with oil sucting one-way valve.
The bottom of described pumping cylinder piston rod is provided with the anticreep piston for matching with the stop screw being arranged in the stop screw mounting hole of cylinder body top, the top of described pumping cylinder piston rod is formed with for the hinge hole hinged with lever handle termination, and for the brace table of support lever handle.
Described flow cylinder includes flow cylinder barrel, described oil-out is integrally formed on the end face of described flow cylinder barrel, on the bottom surface of described flow cylinder barrel, be integrally formed and be useful on the oil-in being connected with described pressuring oil pipe, in described flow cylinder barrel inner bottom surface, corresponding described oil-in is provided with in line check valve.
A kind of hydraulic work system presentation device of theory of the present invention, simple in structure, small and exquisite convenient, be suitable for classroom instruction use.The present invention can make the course of work of each element of student's clear view, can make student clearly see the principle of work of hydraulic system, thereby hydraulic work system principle is had to deep understanding.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the Facad structure schematic diagram of pumping cylinder in the present invention;
Fig. 3 is the perspective view of pumping cylinder in the present invention;
Fig. 4 is the structural representation of pumping cylinder piston rod in the present invention;
Fig. 5 is the structural representation of flow cylinder in the present invention;
Fig. 6 is the structural representation of locating part in the present invention.
In figure
1: piston of load lifting cylinder bar 2: lifting hydraulic cylinder
3: organic glass side plate 4: recirculatory pipe
5: flow cylinder 6: backflow switch
7: container 8: fuel sucking pipe
9: pressuring oil pipe 10: pumping cylinder
11: pumping cylinder piston rod 12: lever back up pad
13: lever handle 14: weight pallet
15: inlet port 16: oil sucting one-way valve
17: force feed mouth 18: stop screw mounting hole
19: oil-in 20: in line check valve
21: flow cylinder barrel 22: oil-out
23: base 24: organic glass top board
25: flow pipe 26: cylinder body
27: anticreep piston 28: hinge hole
29: brace table 30: locating part
31: positive stop lug boss 32: gag lever post
33: connecting portion 34: support
Embodiment
Below in conjunction with embodiment and accompanying drawing, a kind of hydraulic work system presentation device of theory of the present invention is described in detail.
As shown in Figure 1, a kind of hydraulic work system presentation device of theory of the present invention, include base 23, be arranged on base 23 by being vertically set on the organic glass side plate 3 of both sides and fixedly riding over the load lifting cylinder support that the organic glass top board 24 on both sides organic glass side plate 3 forms, on the lower surface of described organic glass top board 24, be fixedly installed four lifting hydraulic cylinders 2 that structure is identical, the piston of load lifting cylinder bar 1 of described four lifting hydraulic cylinders 2 runs through respectively described organic glass top board 24 and connects and support the weight pallet 14 that is positioned at organic glass top board 24 tops, the bottom surface of described weight pallet 14 be connected with run through that described organic glass top board 24 arranges for limiting the locating part 30 of described weight pallet 14 lifting heights.The cylinder body of described four lifting hydraulic cylinders 2 is connected to the flow pipe 25 of bottom and is arranged on the oil-out 22 that flow cylinder 5 tops are connected with described flow pipe 25 other ends by one end respectively and is connected with described flow cylinder 5, described flow cylinder 5 is connected to the pressuring oil pipe 9 of bottom and is arranged on the force feed mouth 17 being connected with the other end of described pressuring oil pipe 9 on pumping cylinder 10 by one end and is connected with the pumping cylinder 10 being fixed on base 23, the inlet port 15 of described pumping cylinder 10 is communicated with and is arranged on base 23 for holding the container 7 of hydraulic oil by fuel sucking pipe 8, the hinged connection lever handle 13 in top of the pumping cylinder piston rod 11 of described pumping cylinder 10, the termination of described lever handle 13 one end links in lever back up pad 12, the other end of described lever handle 13 for manually press down or manually on carry described pumping cylinder piston rod 11.Described lever back up pad 12 is fixed on described base 23, the oil-out 22 at described flow cylinder 5 tops is also communicated with described container 7 by recirculatory pipe 4 and the backflow switch 6 being arranged on recirculatory pipe 4, and described pumping cylinder 10 is to be fixed on base 23 by support 34.
As shown in Figure 2 and Figure 3, described pumping cylinder 10 includes the cylinder body 26 that holds pumping cylinder piston rod 11, and described force feed mouth 17 is formed on the bottom of described cylinder body 26 casing walls, depresses for the flow cylinder 5 to described hydraulic oil is provided under pumping cylinder piston rod 11.Described inlet port 15 is arranged on the bottom of described cylinder body 26, puts for the interior suction oil of the container 7 from described on pumping cylinder piston rod 11.The top of described cylinder body 26 casing walls is also formed with the stop screw mounting hole 18 of deviating from from cylinder body 26 for spacing described pumping cylinder piston rod 11, in described cylinder body 26 inner bottom surface, corresponding described inlet port 15 is provided with oil sucting one-way valve 16, described oil sucting one-way valve 16, ensure cylinder body 26 under the effect of pumping cylinder piston rod 11 can pass through inlet port 15 from the interior inhalant liquid force feed of described container 7, and can not make hydraulic oil from then on inlet port 15 be back in container 7.
As shown in Figure 4, the bottom of described pumping cylinder piston rod 11 is provided with the anticreep piston 27 for matching with the stop screw being arranged in cylinder body 26 top stop screw mounting holes 18, in the time mentioning the upper port place of described cylinder body 26 on described pumping cylinder piston rod 11, the stop screw being inserted in stop screw mounting hole 18 blocks anticreep piston 27, thereby prevents that described pumping cylinder piston rod 11 from deviating from from cylinder body 26.The top of described pumping cylinder piston rod 11 is formed with for the hinge hole 28 hinged with lever handle 13 terminations, and for the brace table 29 of support lever handle 13.
As shown in Figure 5, described flow cylinder 5 includes flow cylinder barrel 21, described oil-out 22 is integrally formed on the end face of described flow cylinder barrel 21, on the bottom surface of described flow cylinder barrel 21, be integrally formed and be useful on the oil-in 19 being connected with described pressuring oil pipe 9, in described flow cylinder barrel 21 inner bottom surface, corresponding described oil-in 19 is provided with in line check valve 20, described in line check valve 20 ensures that hydraulic oil can only enter in flow cylinder barrel 21 from pumping cylinder 10 by described oil-in 19, and can not make hydraulic oil from then on oil-in 19 be back in pumping cylinder 10.
As shown in Figure 6, described locating part 30 includes the gag lever post 32 that runs through described organic glass top board 24, be connected to the connecting portion 33 for being fixedly connected with the bottom surface of described weight pallet 14 on described gag lever post 32 tops, and be connected to described gag lever post 32 bottoms, and be positioned at described organic glass top board 24 positive stop lug boss 31 below.Touch organic glass top board 24 by the spacing convex 31 of gag lever post 32 belows when lifting hydraulic cylinder 2 lifting weight pallets 14 during to stroke end and realize spacingly, prevent that the piston of load lifting cylinder bar 1 of lifting hydraulic cylinder 2 from deviating from the cylinder barrel of lifting hydraulic cylinder 2.
Principle of work below in conjunction with brief description of the drawings a kind of hydraulic work system presentation device of theory of the present invention:
In the time of lift lever handle 13, Fig. 1, on pumping cylinder piston rod 11 shown in Fig. 4, move, under atmospheric effect, hydraulic oil in container 7 enters pumping cylinder 10 by the inlet port 15 of pumping cylinder 10 bottoms as shown in Figure 2, thereby open oil sucting one-way valve 16, realize the action to the interior inhalant liquid force feed of pumping cylinder 10, in the time depressing lever handle 13, pumping cylinder piston rod 11 moves down, hydraulic fluid pressure increases, oil sucting one-way valve 16 as shown in Figure 2 seals the inlet port 15 of pumping cylinder bottom, hydraulic oil is from pumping cylinder side wall and pressure hydraulic fluid port 17 as shown in Figure 2, through pressuring oil pipe 9, enter flow cylinder 5, thereby open the retaining valve 20 shown in Fig. 5, and through the oil-out 22 of the flow cylinder 5 shown in Fig. 5, enter the cavity of resorption of four lifting hydraulic cylinders 2, promote piston of load lifting cylinder bar 1 up, make the weight pallet 14 that is connected with piston of load lifting cylinder bar 1 up, repeat the lifting that above action can complete weight.When lifting hydraulic cylinder 2 lifting weights are during to stroke end, realized spacingly by the spacing convex 31 of gag lever post 32 lower ends, prevent that the piston of load lifting cylinder bar 1 of lifting hydraulic cylinder 2 from deviating from cylinder barrel.In the time that weight need to decline, open backflow switch 6, now, because producing pressure, weight Action of Gravity Field hydraulic oil make in line check valve 20 seal the oil-in 19 of flow cylinder 5, the hydraulic oil of lifting hydraulic cylinder 2 cavity of resorptions can flow back in container 7 by flow cylinder 5, recirculatory pipe 4, thereby realizes the down maneuver of weight.
Claims (5)
1. a hydraulic work system presentation device of theory, include base (23), be arranged on base (23) upper by being vertically set on the organic glass side plate (3) of both sides and fixedly riding over the load lifting cylinder support that the organic glass top board (24) on both sides organic glass side plates (3) forms, it is characterized in that, on the lower surface of described organic glass top board (24), be fixedly installed four lifting hydraulic cylinders (2) that structure is identical, the piston of load lifting cylinder bar (1) of described four lifting hydraulic cylinders (2) runs through respectively described organic glass top board (24) and connects and support the weight pallet (14) being positioned at above organic glass top board (24), the bottom surface of described weight pallet (14) be connected with run through described organic glass top board (24) arrange for limiting the locating part (30) of described weight pallet (14) lifting height, the cylinder body of described four lifting hydraulic cylinders (2) is connected to the flow pipe (25) of bottom and is arranged on the oil-out (22) that flow cylinder (5) top is connected with described flow pipe (25) other end by one end respectively and is connected with described flow cylinder (5), described flow cylinder (5) is connected to the pressuring oil pipe (9) of bottom by one end and is arranged on the upper force feed mouth (17) being connected with the other end of described pressuring oil pipe (9) of pumping cylinder (10) and is connected with the pumping cylinder (10) being fixed on base (23), the inlet port (15) of described pumping cylinder (10) is communicated with and is arranged on base (23) above for holding the container (7) of hydraulic oil by fuel sucking pipe (8), the hinged connection lever handle (13) in top of the pumping cylinder piston rod (11) of described pumping cylinder (10), the termination of described lever handle (13) one end links in lever back up pad (12), described lever back up pad (12) is fixed on described base (23), the oil-out (22) at described flow cylinder (5) top is also by recirculatory pipe (4) be arranged on backflow switch (6) on recirculatory pipe (4) and be communicated with described container (7), described pumping cylinder (10) is to be fixed on base (23) by support (34).
2. a kind of hydraulic work system presentation device of theory according to claim 1, it is characterized in that, described locating part (30) includes the gag lever post (32) that runs through described organic glass top board (24), be connected to the connecting portion (33) for being fixedly connected with the bottom surface of described weight pallet (14) on described gag lever post (32) top, and be connected to described gag lever post (32) bottom, and be positioned at described organic glass top board (24) positive stop lug boss (31) below.
3. a kind of hydraulic work system presentation device of theory according to claim 1, it is characterized in that, described pumping cylinder (10) includes the cylinder body (26) that holds pumping cylinder piston rod (11), described force feed mouth (17) is formed on the bottom of described cylinder body (26) casing wall, described inlet port (15) is arranged on the bottom of described cylinder body (26), the top of described cylinder body (26) casing wall is also formed with the stop screw mounting hole (18) of deviating from from cylinder body (26) for spacing described pumping cylinder piston rod (11), in described cylinder body (26) inner bottom surface, corresponding described inlet port (15) is provided with oil sucting one-way valve (16).
4. according to a kind of hydraulic work system presentation device of theory described in claim 1 or 3, it is characterized in that, the bottom of described pumping cylinder piston rod (11) is provided with the anticreep piston (27) for matching with the stop screw being arranged in cylinder body (26) top stop screw mounting hole (18), the top of described pumping cylinder piston rod (11) is formed with for the hinge hole (28) hinged with lever handle (13) termination, and for the brace table (29) of support lever handle (13).
5. a kind of hydraulic work system presentation device of theory according to claim 1, it is characterized in that, described flow cylinder (5) includes flow cylinder barrel (21), described oil-out (22) is integrally formed on the end face of described flow cylinder barrel (21), on the bottom surface of described flow cylinder barrel (21), be integrally formed and be useful on the oil-in (19) being connected with described pressuring oil pipe (9), in described flow cylinder barrel (21) inner bottom surface, corresponding described oil-in (19) is provided with in line check valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464933.6A CN104200741B (en) | 2014-09-12 | 2014-09-12 | A kind of hydraulic work system presentation device of theory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464933.6A CN104200741B (en) | 2014-09-12 | 2014-09-12 | A kind of hydraulic work system presentation device of theory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104200741A true CN104200741A (en) | 2014-12-10 |
| CN104200741B CN104200741B (en) | 2016-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410464933.6A Expired - Fee Related CN104200741B (en) | 2014-09-12 | 2014-09-12 | A kind of hydraulic work system presentation device of theory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104200741B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502221A (en) * | 2016-01-22 | 2016-04-20 | 蔡婷婷 | Three-dimensional direction self-adaptive plane hydraulic jack |
| CN105741673A (en) * | 2016-04-29 | 2016-07-06 | 唐山学院 | Portable hydraulic drive basic principle demonstrating device |
| CN112712750A (en) * | 2021-01-04 | 2021-04-27 | 潍坊工程职业学院 | Hydraulic training platform |
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| CN203558574U (en) * | 2013-09-05 | 2014-04-23 | 浙江亚龙教育装备股份有限公司 | Automatic stacking mechanism for hydraulic real-training device |
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2014
- 2014-09-12 CN CN201410464933.6A patent/CN104200741B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1117683A1 (en) * | 1983-05-19 | 1984-10-07 | Военный Инженерный Краснознаменный Институт Им.А.Ф.Можайского | Teaching-aid apparatus of hydraulic level |
| CN2205843Y (en) * | 1994-12-27 | 1995-08-23 | 南海市里水建华机械厂 | Bearer structure of vehicle for removing undesirable matter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502221A (en) * | 2016-01-22 | 2016-04-20 | 蔡婷婷 | Three-dimensional direction self-adaptive plane hydraulic jack |
| CN105502221B (en) * | 2016-01-22 | 2017-12-05 | 吴嘉馨 | A kind of adaptive plane hydraulic top of three-dimensional |
| CN105741673A (en) * | 2016-04-29 | 2016-07-06 | 唐山学院 | Portable hydraulic drive basic principle demonstrating device |
| CN112712750A (en) * | 2021-01-04 | 2021-04-27 | 潍坊工程职业学院 | Hydraulic training platform |
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| Publication number | Publication date |
|---|---|
| CN104200741B (en) | 2016-10-19 |
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Granted publication date: 20161019 Termination date: 20200912 |