CN213684322U - Vertical single-cylinder constraint piston hydraulic engine - Google Patents
Vertical single-cylinder constraint piston hydraulic engine Download PDFInfo
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- CN213684322U CN213684322U CN202023034414.6U CN202023034414U CN213684322U CN 213684322 U CN213684322 U CN 213684322U CN 202023034414 U CN202023034414 U CN 202023034414U CN 213684322 U CN213684322 U CN 213684322U
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Abstract
The utility model discloses a vertical single cylinder restraint piston hydraulic engine. The engine comprises an engine outer shell, a piston cylinder body vertically fixed in the engine outer shell, a cylinder cover hermetically connected to the upper end of the piston cylinder body, and a hydraulic working chamber, wherein a power piston is arranged in the piston cylinder body, a connecting rod and a crankshaft are arranged in a lower cavity of the engine outer shell, the lower part of the power piston is connected with a guide slide block arranged in the piston cylinder body through the connecting rod, the guide slide block is connected with the connecting rod, a working chamber body of the hydraulic working chamber is arranged on the engine outer shell, the piston cylinder body penetrates through the working chamber body, a plurality of plunger cylinders axially arranged are arranged in the working chamber body, hydraulic plungers are arranged in the plunger cylinders, the upper ends of the hydraulic plungers are connected with the lower part of the power piston through the connecting plate, a fluid channel communicated with the plunger cylinders is arranged in the, the oil inlet joint and the oil outlet joint are provided with one-way valves.
Description
Technical Field
The utility model relates to a vertical single cylinder restraint piston hydraulic engine belongs to engine technical field.
Background
At present, the working principle of the traditional vertical single-cylinder engine is as follows: the heat generated by fuel combustion pushes the piston to make the crankshaft rotate through the crankshaft connecting rod mechanism, so that the piston can make reciprocating linear motion in the cylinder, the continuous up-and-down motion of the piston is changed into the continuous rotating motion of the crankshaft, the power is continuously output, and the engine can normally operate. The engine needs to overcome the friction loss of main bearings, connecting rod bearings, camshaft bearings and the like in the running process, drives accessory mechanisms such as an oil pump, an oil injection pump, a water pump and the like to consume power, and overcomes the oil mist, air resistance, crankcase ventilation and the like when wind resistance loss such as parts such as a piston, a connecting rod, a crankshaft and the like move in a crankcase at a high speed, so that the efficiency of the vertical single-cylinder engine is reduced due to the existence of the mechanical loss. Meanwhile, when the energy conversion system is matched with machines such as a tractor and the like, functions such as lifting, steering and the like are needed, energy conversion is carried out outside an engine, a transmission route is long, conversion efficiency is reduced, and the system is complex, heavy and high in cost.
Disclosure of Invention
To the above-mentioned defect that exists among the prior art, the utility model provides a vertical single cylinder restraint piston hydraulic engine that simple structure, engine are efficient, energy conversion efficiency is high.
The utility model discloses a realize through following technical scheme: a vertical single-cylinder constraint piston hydraulic engine is characterized in that: the engine comprises an engine outer shell, a piston cylinder body vertically and fixedly arranged in the engine outer shell, a cylinder cover and a hydraulic working chamber, wherein a power piston is arranged in the piston cylinder body, the cylinder cover is connected to the upper end of the piston cylinder body in a sealing manner, an upper cavity of the power piston is a combustion chamber, a connecting rod and a crankshaft which are connected are arranged in a lower cavity of the engine outer shell, the lower part of the power piston is connected with a guide slider arranged in the piston cylinder body through a connecting rod, the guide slider is connected with the upper end of the connecting rod, the hydraulic working chamber comprises a working chamber body, the working chamber body is arranged on the engine outer shell below the power piston, the piston cylinder body penetrates through the working chamber body, a plurality of plunger cylinders axially arranged are arranged in the working chamber body, and hydraulic plungers are arranged in the, the hydraulic plunger is characterized in that the upper end of the hydraulic plunger is connected with the lower portion of the power piston through a connecting plate, a fluid channel is arranged in the working chamber body and communicated with the plunger cylinder, an oil inlet joint and an oil outlet joint are arranged on the working chamber body and respectively connected with the fluid channel, an oil inlet check valve and an oil outlet check valve are arranged in the fluid channel at the oil inlet joint and the oil outlet joint respectively, a safety valve is further arranged on the working chamber body, and a pressure relief channel of the safety valve is connected with the fluid channel in the working chamber body.
The utility model discloses a theory of operation is: the heat energy generated by the combustion of the fuel in the combustion chamber pushes the power piston to rotate through the crankshaft and the connecting rod, so that the power piston can do reciprocating linear motion in the piston cylinder body. The power piston does reciprocating linear motion and simultaneously drives a hydraulic plunger of the hydraulic working chamber to do reciprocating motion, when the hydraulic plunger moves upwards under the driving of the power piston, a hydraulic cavity forms vacuum, hydraulic oil enters the hydraulic cavity through the oil inlet connector under the action of atmospheric pressure, the oil inlet check valve is opened at the moment, the oil outlet check valve is closed, when the hydraulic plunger moves downwards under the driving of the power piston, the oil inlet check valve at the oil inlet connector is closed, the oil outlet check valve at the oil outlet connector is opened, and high-pressure oil is formed. The high pressure oil pressure can be controlled by adjusting the spring of the safety valve. The utility model discloses in, bent axle, connecting rod rotary motion realize the reciprocating linear motion of hydraulic pressure plunger, turn into hydraulic pressure through hydraulic means and can export.
Further, the fluid channel is horizontally arranged, and the fluid channel is communicated with the bottom of the plunger cylinder.
The utility model has the advantages that: the utility model discloses simple structure promotes the power piston through the heat energy that produces fuel burning in the piston cylinder and is rotary motion through crank link mechanism, realizes that the power piston is reciprocating linear motion in the piston cylinder body, turns into fluid pressure through the hydraulic pressure studio and can. The utility model discloses mechanical loss is little at operation in-process, and power consumption is low, and engine efficiency is high, and energy conversion goes on inside the engine simultaneously, and the transmission route is short, and conversion efficiency is high, simple structure for traditional vertical single cylinder engine, and is light and handy, with low costs.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1, a combustion chamber, 2, a hydraulic working chamber, 2-1, a working chamber body, 3, an oil outlet joint, 4, a mechanical working chamber, 5, a connecting rod, 6, a crankshaft, 7, a guide slide block, 8, a connecting rod, 9, an oil inlet joint, 10, an oil inlet check valve, 11, a safety valve, 12, a hydraulic plunger, 13, a connecting plate, 14, a power piston, 15, a cylinder cover, 16, an oil outlet check valve, 17, a fluid passage, 18, a piston cylinder body, 19 and an engine outer shell.
Detailed Description
The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:
as shown in the attached drawings, the vertical single-cylinder constraint piston hydraulic engine comprises an engine outer shell 19, a piston cylinder body 18, a cylinder cover 15 and a hydraulic working chamber 2. The engine shell 19 is internally provided with a cavity, the piston cylinder block 18 is vertically and fixedly arranged at the upper part in the engine shell 19, the piston cylinder block 18 is internally provided with the power piston 14, the cylinder cover 15 is hermetically arranged at the upper end of the piston cylinder block 18 and is fixedly connected with the upper end part of the engine shell 19, and the upper cavity of the power piston 14 is a combustion chamber 1. The lower part of the inner cavity of the engine shell 19 is a mechanical working chamber 4, a connecting rod 5 and a crankshaft 6 which are connected are arranged in the mechanical working chamber 4, and the connecting rod 5 and the crankshaft 6 form a crank-connecting rod mechanism. The lower part of the power piston 14 is connected with a connecting rod 8, a guide sliding block 7 is arranged in a piston cylinder 18 below the power piston 14, the lower part of the power piston 14 is connected with the guide sliding block 7 through the connecting rod 8, and the guide sliding block 7 is connected with the upper end of the connecting rod 5. The hydraulic working chamber 2 comprises a working chamber body 2-1, the working chamber body 2-1 is a hydraulic module, the working chamber body 2-1 is arranged on an engine outer shell 19 below the power piston 14, and the piston cylinder body 18 penetrates through the working chamber body 2-1. A plurality of plunger cylinders which are axially arranged are arranged in the working chamber body 2-1, hydraulic plungers 12 are arranged in the plunger cylinders, the upper ends of the hydraulic plungers 12 are connected with the lower portion of the power piston 14 through a connecting plate 13, and a fluid channel 17 is arranged in the working chamber body 2-1 and communicated with the plunger cylinders. The working chamber body 2-1 is provided with an oil inlet joint 9 and an oil outlet joint 3 which are respectively connected with the fluid channel 17, and an oil inlet check valve 10 and an oil outlet check valve 16 are respectively arranged in the fluid channels at the oil inlet joint 9 and the oil outlet joint 3. The working chamber body 2-1 is also provided with a safety valve 11, and a pressure relief channel of the safety valve 11 is connected with a fluid channel 17 in the working chamber body 2-1.
In this embodiment, the fluid passage 17 is horizontally disposed, and the fluid passage 17 communicates with the bottom of the plunger cylinder.
The utility model discloses in, combustion chamber 1 is used for the fuel burning, is the same with traditional single cylinder engine. The heat energy generated by the combustion of the fuel pushes the power piston to move. The utility model provides a hydraulic pressure studio's theory of operation is the same with the theory of operation of traditional plunger pump. When the hydraulic plunger 12 moves upwards under the driving of the power piston 14, the hydraulic cavity forms vacuum, hydraulic oil enters the hydraulic cavity through the oil inlet joint 9 under the action of atmospheric pressure, the oil inlet one-way valve 10 is opened at the moment, and the oil outlet one-way valve 16 at the oil outlet joint 3 is closed; when the hydraulic plunger 12 moves downwards under the driving of the power piston 14, the oil inlet check valve 10 at the oil inlet joint 9 is closed, and the oil outlet check valve 16 at the oil outlet joint 3 is opened, so that high-pressure oil output is formed. The safety valve 11 can ensure the safety of the hydraulic system, and the pressure of the high-pressure oil can be controlled by adjusting the spring of the safety valve 11. The mechanical working chamber 4 of the utility model is similar to the traditional crankcase, and the conversion of the straight line and the rotary mechanical motion is carried out through the crank-link mechanism, thereby ensuring the continuous reciprocating linear motion of the piston-plunger assembly. The hydraulic plunger 12 of the hydraulic working chamber 2 is arranged axially, the movement direction of the hydraulic plunger 12 is consistent with that of the power piston 14, and the working process is as follows: the power piston 14 is directly connected with the hydraulic plunger 12 through a connecting plate 13, is connected with the crankshaft 6 through a connecting rod 8, a guide slide block 7 and a connecting rod 5, realizes the reciprocating linear motion of the hydraulic plunger 12 through the rotation motion of the crankshaft connecting rod, and is converted into hydraulic energy through a hydraulic device to be output.
The utility model discloses a working process is: the heat energy generated by the fuel combustion pushes the power piston 14 to rotate the crankshaft 6 through the crankshaft connecting rod, so that the power piston 14 can do reciprocating linear motion in the piston cylinder 18. The power piston 14 makes reciprocating linear motion and drives the hydraulic plunger 12 of the hydraulic working chamber 2 to do reciprocating motion, when the hydraulic plunger 12 moves upwards under the driving of the power piston, the hydraulic cavity forms vacuum, hydraulic oil enters the hydraulic cavity through the oil inlet joint 9 under the action of atmospheric pressure, the oil inlet check valve 10 is opened at the moment, the oil outlet check valve 16 is closed, when the hydraulic plunger 12 moves downwards under the driving of the power piston 14, the oil inlet check valve 10 at the oil inlet joint 9 is closed, the oil outlet check valve 16 at the oil outlet joint 3 is opened, and high-pressure oil output is formed.
The utility model discloses in, bent axle connecting rod rotary motion realizes the reciprocating linear motion of hydraulic pressure plunger, turns into hydraulic pressure through hydraulic means and can export.
Other parts in this embodiment are the prior art, and are not described herein again.
Claims (2)
1. A vertical single-cylinder constraint piston hydraulic engine is characterized in that: including engine case body (19), vertical fixed setting piston cylinder body (18), cylinder head (15), hydraulic pressure studio (2) in engine case body (19), be provided with power piston (14) in piston cylinder body (18), cylinder head (15) sealing connection be in the upper end of piston cylinder body (18), the upper portion cavity of power piston (14) is the combustion chamber, be provided with connecting rod (5) and bent axle (6) that are connected in the lower part cavity of engine case body (19), power piston (14) lower part is passed through connecting rod (8) and is set up guide slider (7) in piston cylinder body (18) are connected, guide slider (7) with the upper end of connecting rod (5) is connected, hydraulic pressure studio (2) include studio body (2-1), studio body (2-1) sets up on engine case body (19) of power piston (14) below The piston cylinder body (18) penetrates through the working chamber body (2-1), a plurality of plunger cylinders which are axially arranged are arranged in the working chamber body (2-1), hydraulic plungers (12) are arranged in the plunger cylinders, the upper ends of the hydraulic plungers (12) are connected with the lower portion of the power piston (14) through connecting plates (13), fluid passages are arranged in the working chamber body (2-1) and communicated with the plunger cylinders, an oil inlet connector (9) and an oil outlet connector (3) are arranged on the working chamber body (2-1) and respectively connected with the fluid passages, an oil inlet check valve (10) and an oil outlet check valve (16) are arranged in the fluid passages at the oil inlet connector (9) and the oil outlet connector (3) respectively, a safety valve (11) is further arranged on the working chamber body (2-1), and a pressure relief passage of the safety valve (11) is communicated with the fluid in the working chamber body (2-1) The channels are connected.
2. The vertical single cylinder restricted piston hydraulic engine of claim 1, wherein: the fluid channel is horizontally arranged and communicated with the bottom of the plunger cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023034414.6U CN213684322U (en) | 2020-12-16 | 2020-12-16 | Vertical single-cylinder constraint piston hydraulic engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023034414.6U CN213684322U (en) | 2020-12-16 | 2020-12-16 | Vertical single-cylinder constraint piston hydraulic engine |
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| CN213684322U true CN213684322U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023034414.6U Active CN213684322U (en) | 2020-12-16 | 2020-12-16 | Vertical single-cylinder constraint piston hydraulic engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635792A (en) * | 2022-03-09 | 2022-06-17 | 山东理工大学 | Compact axial single-cylinder hydrogen fuel constraint piston hydraulic engine |
| CN114635789A (en) * | 2022-03-09 | 2022-06-17 | 山东理工大学 | Axial single-cylinder hydrogen fuel constraint piston hydraulic engine |
| CN114962131A (en) * | 2022-04-08 | 2022-08-30 | 焦建石 | Air pressure engine |
-
2020
- 2020-12-16 CN CN202023034414.6U patent/CN213684322U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635792A (en) * | 2022-03-09 | 2022-06-17 | 山东理工大学 | Compact axial single-cylinder hydrogen fuel constraint piston hydraulic engine |
| CN114635789A (en) * | 2022-03-09 | 2022-06-17 | 山东理工大学 | Axial single-cylinder hydrogen fuel constraint piston hydraulic engine |
| CN114962131A (en) * | 2022-04-08 | 2022-08-30 | 焦建石 | Air pressure engine |
| CN114962131B (en) * | 2022-04-08 | 2023-11-10 | 焦建石 | Air pressure engine |
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