CN210565493U - Pneumatic supercharging device capable of accurately outputting multiple equivalent high-pressure power hydraulic oil - Google Patents

Pneumatic supercharging device capable of accurately outputting multiple equivalent high-pressure power hydraulic oil Download PDF

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CN210565493U
CN210565493U CN201921538628.1U CN201921538628U CN210565493U CN 210565493 U CN210565493 U CN 210565493U CN 201921538628 U CN201921538628 U CN 201921538628U CN 210565493 U CN210565493 U CN 210565493U
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pressure
plunger
cylinder
pneumatic
pressurizing
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吴瑜华
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Abstract

The pneumatic supercharging device capable of accurately outputting multiple equivalent high-pressure power hydraulic oil comprises a plurality of cylinder blocks arranged along the front-back horizontal direction, wherein a pneumatic piston is arranged in each cylinder block, a pneumatic pressurizing cavity is arranged behind the pneumatic piston in each cylinder block, an air inlet is formed in the wall of the pneumatic pressurizing cavity, a front cavity is arranged in front of the pneumatic piston in each cylinder block, a scavenging port is formed in the wall of the front cavity and communicated with a pressure air source or the outside through an air path in series connection with an electromagnetic valve, and each air inlet is communicated with the pressure air source or the outside atmosphere through an air path in series connection with the electromagnetic valve. The pneumatic supercharging device is high in movement precision, low in failure rate, stable and reliable in working performance, and capable of achieving rapid and accurate driving of a load element and accurately outputting multiple equal-quantity high-pressure power hydraulic oil.

Description

Pneumatic supercharging device capable of accurately outputting multiple equivalent high-pressure power hydraulic oil
Technical Field
The utility model relates to a but pneumatic supercharging device of accurate output multiple equivalent high pressure power hydraulic oil. Hydraulic driving system capable of enabling multiple oil cylinders to perform high-precision synchronous motion
Background
The hydraulic drive has the advantages of small volume, light weight, large driving force, suitability for heavy-load direct drive, wide speed regulation range, various speed control modes and the like, and therefore, the hydraulic drive system is widely applied to a plurality of mechanical devices, such as various hydraulically-driven lifting platforms, various parts which move by utilizing the hydraulic drive and the like. However, the conventional hydraulic driving devices do not have a function of outputting a plurality of equal pressure and equal flow hydraulic oil to the outside with high precision, and some of the conventional hydraulically driven elevating platforms and parts moving by hydraulic driving need to use a plurality of cylinders to drive a load synchronously with high precision, that is, the conventional oil pumps need to have a function of moving synchronously with high precision, but because the conventional various oil pumps do not have such a function, for example, for the hydraulically driven elevating platform, two or four cylinders driving the elevating platform need to move synchronously with high precision, which requires that equal pressure and equal amount of hydraulic oil be respectively injected into working chambers of two or four cylinders driving the elevating platform, the conventional oil pumps and other devices do not have a function of injecting equal pressure and equal amount of hydraulic oil into working chambers of two or four cylinders driving the elevating platform, this results in the associated equipment not being able to operate with hydraulic drives, which also makes existing hydraulic drives impractical for many applications where synchronous motion with high precision is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be to respectively pour into equal pressure, equivalent hydraulic oil into in the working chamber of a plurality of hydro-cylinders, let a plurality of hydro-cylinders carry out high accuracy synchronous motion, and then can realize carrying out the pneumatic supercharging device of high accuracy driven many equivalent high pressure power hydraulic oil of accurate output to load element.
The utility model discloses a can accurate output many equivalent high pressure power hydraulic oil's pneumatic supercharging device, including a plurality of cylinder blocks that set up along the fore-and-aft horizontal direction, be equipped with pneumatic piston in each cylinder block respectively, the rear that lies in pneumatic piston in the cylinder block is equipped with the pneumatic chamber that adds, is equipped with the air inlet on the wall in pneumatic chamber that adds, and the place ahead that lies in pneumatic piston in the cylinder block is equipped with preceding cavity, is equipped with the scavenge port on the wall of preceding cavity, and the scavenge port communicates with each other with pressure air supply or external world through the gas circuit that has the solenoid valve in series;
each air inlet is communicated with a pressure air source or external atmosphere through an air path which is connected with an electromagnetic valve in series;
the front end of each cylinder body is respectively provided with a plunger cylinder seat, the rear end of each cylinder body is respectively provided with a rear cover, each plunger cylinder seat is respectively provided with a plunger cylinder mounting hole, the axis of each plunger cylinder mounting hole is respectively positioned in the front-rear horizontal direction, and a plunger pressurizing cylinder is respectively arranged at each plunger cylinder mounting hole;
each plunger pressure cylinder comprises a pressure cylinder body arranged along the front-back horizontal direction, a pressure oil cavity is arranged in each pressure cylinder body, an oil inlet is arranged at the rear end of each pressure oil cavity, an oil outlet is arranged at the front end of each pressure oil cavity, a pressure plunger is inserted in each pressure oil cavity, the structural sizes of the pressure plungers are the same, the rear end of each pressure plunger is fixedly connected with a pneumatic piston at the rear end of the pressure plunger, when the pneumatic piston is positioned at the rear part of the pneumatic pressure cavity, the front end of each pressure plunger is positioned at the rear end of the corresponding pressure oil cavity, and when the pneumatic piston is positioned at the front part of the pneumatic pressure cavity, the front end of each pressure plunger is positioned at the middle part or the front end of the corresponding pressure oil cavity;
every pneumatic piston is fixed with the front end of a synchronous positioning pole respectively and links to each other, and the axis of every synchronous positioning pole is located fore-and-aft horizontal direction respectively, and every synchronous positioning pole extends the back lid that corresponds along fore-and-aft horizontal direction backward respectively, and every synchronous positioning pole is fixed continuous through synchronous locating plate respectively.
Preferably, the pressurizing cylinder body comprises a pressurizing cylinder barrel with a circular cross section, the oil outlet is located at the front end of the pressurizing cylinder barrel, a sealing cover is inserted into the front end of the pressurizing cylinder barrel, the rear end of the pressurizing cylinder barrel is sleeved on a guide sleeve seat, the guide sleeve seat is fixed on a plunger cylinder seat, a sealing sleeve is inserted into a plunger cylinder mounting hole in the plunger cylinder seat, and the pressurizing plunger can sequentially penetrate through the sealing sleeve and the guide sleeve seat from back to front and then is inserted into the pressurizing cylinder barrel.
Preferably, a rear sealing ring is arranged between the pressurizing plunger and the sealing sleeve, and a front sealing ring is arranged between the pressurizing plunger and the guide sleeve seat.
The utility model discloses a but pneumatic supercharging device of accurate output equivalent high pressure power hydraulic oil is when needs promote the load, accessible every air inlet is to pneumatic pressurization intracavity input pressure gas, promote all pneumatic piston and all pressure boost plunger and move forward, let the hydraulic oil in each pressure boost oil chamber carry hydraulic oil to the pressure boost oil chamber that corresponds of high-pressure synchronous booster through corresponding oil-out, oil pipeline, the oil inlet of pressure boost oil chamber rear end, the hydraulic oil that gets into each pressure boost oil chamber passes through the oil-out of each pressure boost oil chamber and carries hydraulic oil to the lower working chamber of each synchronous working cylinder respectively through corresponding synchronous oil pipeline, because the structural dimension of each pressure boost plunger is the same each other, each pneumatic piston is fixed with the front end of a synchronous locating lever respectively and is linked to each other, the axis of each synchronous locating lever is located the fore-and-aft horizontal direction respectively, every synchronous positioning pole extends the back lid that corresponds along the horizontal direction backward around respectively, and every synchronous positioning pole is fixed continuous through synchronous locating plate respectively, so can accurate output many equivalent power hydraulic oil, realize from this that equal pressure, equivalent hydraulic oil are poured into respectively in the lower working chamber to a plurality of synchronous working hydro-cylinders, let a plurality of synchronous working hydro-cylinders carry out high accuracy synchronous motion, and then can realize carrying out high accuracy drive to load element. Therefore, the utility model discloses a but pneumatic supercharging device of accurate output multiple equivalent high pressure power hydraulic oil can pour into equal pressure, equivalent hydraulic oil respectively in the working chamber of a plurality of hydro-cylinders, lets a plurality of hydro-cylinders carry out high accuracy synchronous motion, and then can realize carrying out the high accuracy drive to load element.
The present invention will be further explained with reference to the accompanying drawings.
Drawings
Fig. 1 is a front sectional view of the pneumatic supercharging device of the present invention capable of accurately outputting multiple equal amounts of high-pressure power hydraulic oil;
fig. 2 is the utility model discloses a but pneumatic supercharging device's of accurate output equivalent high pressure power hydraulic oil working principle diagram.
Detailed Description
As shown in fig. 1 and fig. 2, the pneumatic supercharging device capable of accurately outputting multiple equivalent high-pressure power hydraulic oil of the present invention includes a plurality of cylinder blocks 1 arranged along the front-rear horizontal direction, each cylinder block 1 is internally provided with a pneumatic piston 2, a pneumatic pressurizing chamber 3 is arranged in the cylinder block 1 at the rear of the pneumatic piston 2, the wall of the pneumatic pressurizing chamber 3 is provided with an air inlet 4, a front cavity 5 is arranged in the cylinder block 1 at the front of the pneumatic piston 2, the wall of the front cavity 5 is provided with a scavenging port 17, and the scavenging port 17 is communicated with a pressure air source or the outside through an air passage connected with an electromagnetic valve in series;
each air inlet 4 is communicated with a pressure air source or external atmosphere through an air path which is connected with an electromagnetic valve in series;
the front end of each cylinder body 1 is respectively provided with a plunger cylinder seat 7, the rear end of each cylinder body 1 is respectively provided with a rear cover 9, each plunger cylinder seat 7 is respectively provided with a plunger cylinder mounting hole 8, the axis of each plunger cylinder mounting hole 8 is respectively positioned in the front-rear horizontal direction, and each plunger cylinder mounting hole 8 is respectively provided with a plunger pressure cylinder;
each plunger pressurizing cylinder comprises a pressurizing cylinder body arranged along the front-back horizontal direction, a pressurizing oil cavity 10 is arranged in each pressurizing cylinder body, an oil inlet 12 is arranged at the rear end of each pressurizing oil cavity 10, an oil outlet 13 is arranged at the front end of each pressurizing oil cavity 10, a pressurizing plunger 11 is inserted in each pressurizing oil cavity 10, the structural sizes of the pressurizing plungers 11 are the same, the rear end of each pressurizing plunger 11 is fixedly connected with a pneumatic piston 2 positioned at the rear end of the pressurizing plunger 11, when the pneumatic piston 2 is positioned at the rear part of the pneumatic pressurizing cavity 3, the front end of each pressurizing plunger 11 is positioned at the rear end of the corresponding pressurizing oil cavity 10, and when the pneumatic piston 2 is positioned at the front part of the pneumatic pressurizing cavity 3, the front end of each pressurizing plunger 11 is positioned at the middle part or the front end of the corresponding pressurizing oil cavity 10;
each pneumatic piston 2 is fixedly connected with the front end of one synchronous positioning rod 20, the axis of each synchronous positioning rod 20 is positioned in the front-back horizontal direction, each synchronous positioning rod 20 extends backwards through the corresponding rear cover 9 along the front-back horizontal direction, and each synchronous positioning rod 20 is fixedly connected with each other through a synchronous positioning plate 21;
when the pneumatic piston 2 is pressed against the rear end surface in the pneumatic pressurizing cavity 3, the oil inlet 12 of each pressurizing oil cavity 10 is respectively communicated with the lower part of the oil replenishing cylinder 14 through an oil replenishing exhaust pipeline 23, when the pneumatic piston 2 leaves the rear end surface in the pneumatic pressurizing cavity 3 and moves forwards, the oil inlet 12 of each pressurizing oil cavity 10 is respectively blocked by the corresponding pneumatic piston 2, and the upper part of the oil replenishing cylinder 14 is communicated with a pressure air source or the outside atmosphere through a pressure air pipeline 15 which is connected with an electromagnetic valve in series.
In the using process, when the plurality of pneumatic pistons 2 move backwards and open the corresponding oil inlets 12, if the hydraulic oil in a certain pressurizing oil cavity 10 is smaller than a set volume, the hydraulic oil in the oil supplementing cylinder 14 flows into the pressurizing oil cavity 10, when the oil inlets 12 are in an open state, air bubbles in the pressurizing oil cavity 10 can be discharged into the oil supplementing cylinder 14 through the oil supplementing exhaust pipeline 23, meanwhile, the hydraulic oil with equal volume quantity can be supplemented into the pressurizing oil cavity 10, so that the oil cavities 10 can be well ensured to output equal-pressure and equal-quantity hydraulic oil outwards through the oil outlets 13, all the oil cylinders receiving the hydraulic oil can perform high-precision synchronous motion, and further, the high-precision driving on a load element can be realized.
As the utility model discloses a further improvement, above-mentioned pressure boost cylinder body includes that the cross section is circular shape pressure boost cylinder 31, oil-out 13 is located the front end of pressure boost cylinder 31, and the front end cartridge of pressure boost cylinder 31 has sealed lid 26, and the rear end suit of pressure boost cylinder 31 is on guide sleeve seat 32, and guide sleeve seat 32 is fixed on plunger cylinder seat 7, and 8 interpolations in the plunger cylinder mounting hole on the plunger cylinder seat 7 are equipped with sealed sleeve 33, pressure boost plunger 11 can pass sealed sleeve 33 and guide sleeve seat 32 forward from the back in proper order, then insert again in the pressure boost cylinder 31.
As a further improvement of the present invention, a rear seal ring 24 is provided between the pressurizing plunger 11 and the seal sleeve 33, and a front seal ring 25 is provided between the pressurizing plunger 11 and the guide sleeve seat 32.
As a further improvement of the present invention, the number of the cylinder block 1 is 2, 4 or 6.
The utility model discloses a but pneumatic supercharging device of accurate output multiple equivalent high pressure power hydraulic oil is when using, the accessible is established ties pressure gas circuit 15 that has the solenoid valve to the upper portion input pressure gas of benefit hydro-cylinder 14, when oil inlet 12 is in the open mode, can promote the hydraulic oil in the benefit hydro-cylinder 14 and pass through oil inlet 12 and flow to every booster oil pocket 10, block up oil inlet 12 until booster plunger 11 forward motion, reducible or prevent that external gas from getting into booster plunger 11 in from this, thereby can better guarantee each booster oil pocket 10 respectively through oil-out 13 outside output equal pressure, equivalent hydraulic oil, let each hydro-cylinder of accepting hydraulic oil carry out high accuracy simultaneous movement, and then can realize carrying out high accuracy drive to load element.
The utility model discloses a but pneumatic supercharging device of accurate output many equivalent high pressure power hydraulic oil when needs promote the load fast, accessible each air inlet 4 is to pneumatic pressurization chamber 3 in the input pressure gas, promote all pneumatic piston 2 and all pressure boost plunger 11 forward motion, let the hydraulic oil in each pressure boost oil pocket 10 respectively to the lower working chamber 28 of each synchronous working hydro-cylinder 27 through corresponding oil pipeline through corresponding oil outlet 13, because the structure size of each pressure boost plunger 11 is the same each other, each pneumatic piston 2 respectively with the front end fixed connection of a synchronous locating lever 20, the axis of each synchronous locating lever 20 is located the fore-and-aft horizontal direction respectively, each synchronous locating lever 20 respectively along the fore-and-aft horizontal direction backward extend through corresponding back lid 9, each synchronous locating lever 20 respectively through synchronous locating plate 21 fixed connection, therefore, multiple parts of equivalent power hydraulic oil can be accurately output, so that equal-pressure and equivalent hydraulic oil can be respectively injected into the lower working chambers 28 of the synchronous working cylinders 27, the synchronous working cylinders 27 can perform high-precision synchronous motion, and further, the load element can be driven with high precision. Therefore, the utility model discloses a but pneumatic supercharging device of accurate output multiple equivalent high pressure power hydraulic oil can pour into equal pressure, equivalent hydraulic oil respectively in the working chamber of a plurality of hydro-cylinders, lets a plurality of hydro-cylinders carry out high accuracy synchronous motion, and then can realize carrying out the high accuracy drive to load element.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (3)

1. But pneumatic supercharging device of accurate output equivalent high pressure power hydraulic oil of many shares, its characterized in that: the pneumatic cylinder comprises a plurality of cylinder bodies (1) arranged in the front-back horizontal direction, wherein a pneumatic piston (2) is arranged in each cylinder body (1), a pneumatic pressurizing cavity (3) is arranged behind the pneumatic piston (2) in each cylinder body (1), an air inlet (4) is formed in the wall of the pneumatic pressurizing cavity (3), a front cavity (5) is arranged in front of the pneumatic piston (2) in each cylinder body (1), a scavenging port (17) is formed in the wall of the front cavity (5), and the scavenging port (17) is communicated with a pressure air source or the outside through an air passage in series with an electromagnetic valve;
each air inlet (4) is communicated with a pressure air source or external atmosphere through an air path which is connected with an electromagnetic valve in series;
the front end of each cylinder body (1) is respectively provided with a plunger cylinder seat (7), the rear end of each cylinder body (1) is respectively provided with a rear cover (9), each plunger cylinder seat (7) is respectively provided with a plunger cylinder mounting hole (8), the axis of each plunger cylinder mounting hole (8) is respectively positioned in the front-rear horizontal direction, and each plunger cylinder mounting hole (8) is respectively provided with a plunger pressurizing cylinder;
each plunger pressure cylinder comprises a pressure cylinder body arranged along the front-rear horizontal direction, each pressure cylinder body is internally provided with a pressure oil cavity (10), the rear end of each pressure oil cavity (10) is provided with an oil inlet (12), the front end of each pressure oil cavity (10) is provided with an oil outlet (13), each pressure oil cavity (10) is internally inserted with a pressure plunger (11), the structural sizes of the pressure plungers (11) are the same, the rear end of each pressure plunger (11) is fixedly connected with a pneumatic piston (2) positioned at the rear end thereof, when the pneumatic piston (2) is positioned at the rear part in the pneumatic pressurizing cavity (3), the front end of each pressurizing plunger (11) is respectively positioned at the rear end of the corresponding pressurizing oil cavity (10), when the pneumatic piston (2) is positioned at the front part in the pneumatic pressurizing cavity (3), the front end of each pressurizing plunger (11) is respectively positioned at the middle part or the front end of the corresponding pressurizing oil cavity (10);
every pneumatic piston (2) is fixed with the front end of a synchronous locating lever (20) respectively and links to each other, and the axis of every synchronous locating lever (20) is located horizontal direction around being located respectively, and every synchronous locating lever (20) extends corresponding back lid (9) along horizontal direction backward around along respectively, and every synchronous locating lever (20) is fixed continuous through synchronous locating plate (21) respectively.
2. The pneumatic supercharging device capable of accurately outputting multiple equal quantities of high-pressure power hydraulic oil according to claim 1, characterized in that: the pressure boost cylinder body includes that the cross section is circular shape pressure boost cylinder (31), oil-out (13) are located the front end of pressure boost cylinder (31), and the front end cartridge of pressure boost cylinder (31) has sealed lid (26), and the rear end suit of pressure boost cylinder (31) is on direction sleeve barrel seat (32), and direction sleeve barrel seat (32) are fixed on plunger cylinder seat (7), and plunger cylinder mounting hole (8) interpolation on plunger cylinder seat (7) is equipped with sealed sleeve (33), pressure boost plunger (11) can pass sealed sleeve (33) and direction sleeve barrel seat (32) forward from the back in proper order, then insert again in pressure boost cylinder (31).
3. The pneumatic supercharging device capable of accurately outputting multiple equal quantities of high-pressure power hydraulic oil according to claim 2, characterized in that: a rear sealing ring (24) is arranged between the pressurizing plunger (11) and the sealing sleeve (33), and a front sealing ring (25) is arranged between the pressurizing plunger (11) and the guide sleeve seat (32).
CN201921538628.1U 2019-09-16 2019-09-16 Pneumatic supercharging device capable of accurately outputting multiple equivalent high-pressure power hydraulic oil Active CN210565493U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529468A (en) * 2019-09-16 2019-12-03 吴瑜华 The Pneumatic booster device of more parts of equivalent high voltage power hydraulic oil can accurately be exported

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529468A (en) * 2019-09-16 2019-12-03 吴瑜华 The Pneumatic booster device of more parts of equivalent high voltage power hydraulic oil can accurately be exported

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