CN111188799A - Series oil cylinder system applied to synchronous wheel and correction method thereof - Google Patents
Series oil cylinder system applied to synchronous wheel and correction method thereof Download PDFInfo
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- CN111188799A CN111188799A CN202010139776.7A CN202010139776A CN111188799A CN 111188799 A CN111188799 A CN 111188799A CN 202010139776 A CN202010139776 A CN 202010139776A CN 111188799 A CN111188799 A CN 111188799A
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- 239000007788 liquid Substances 0.000 claims 1
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- 238000001914 filtration Methods 0.000 description 2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a series oil cylinder system applied to a synchronous wheel and a correction method thereof, wherein the series oil cylinder system comprises a first oil cylinder, a second oil cylinder and an oil tank, the shape and the size of the first oil cylinder and the second oil cylinder are completely identical, a first piston plate is movably arranged in the first oil cylinder, the first oil cylinder is divided into a first oil inlet cavity and a first oil outlet cavity by the first piston plate, a rod A is fixedly arranged on one side, close to the first oil inlet cavity, of the first piston plate, a rod B is fixedly arranged on one side, close to the first oil outlet cavity, of the first piston plate, the shape and the size of the rod A, the rod B, the rod C and the rod D are completely identical, and the first oil outlet cavity is connected with the second oil inlet cavity through an SA electromagnetic valve. The invention provides a series oil cylinder system applied to a synchronous wheel, which can ensure that the strokes of series oil cylinders are completely the same when the inlet and outlet oil quantities are the same, does not need proportioning, is simple and efficient, and also provides a correction method based on the series oil cylinder system applied to the synchronous wheel, is simple to operate and is very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of oil cylinders, in particular to a series oil cylinder system applied to a synchronizing wheel and a correction method thereof.
Background
The wheel steering is mostly realized through the oil cylinder, in order to ensure the stability of the vehicle in operation, the steering driving oil cylinder of the synchronizing wheel must be ensured to run synchronously, but in the existing oil cylinder system, because of the difference of a rod cavity and a rodless cavity in the oil cylinder, the differential pressure is uneven, the wheel running synchronization cannot be ensured, the transported goods shake, incline and even collapse, the transportation efficiency is influenced, and the quality of the goods is easily damaged.
In the prior art, a serial synchronous hydraulic system of application No. 201821359292.8 applied to a four-way shuttle car includes: the oil-out of the hydraulic station is connected with the lower cavity oil port of a first oil cylinder in the plurality of oil cylinders through an oil pipe, the upper cavity oil port of the first oil cylinder is connected with the lower cavity oil port of a second oil cylinder through an oil pipe, the upper cavity oil port of the second oil cylinder is connected with the lower cavity oil port of a third oil cylinder through an oil pipe, and the like, the upper cavity oil port of the last oil cylinder is connected with the oil return port of the hydraulic station through an oil pipe to form a closed oil circuit, and the oil cylinders in the system are ensured to synchronously lift through series connection of the oil cylinders, so that the purpose of ensuring the synchronous lifting of the oil cylinders in the system, and ensuring the quality and the transportation efficiency of the four-way shuttle vehicle for transporting goods is achieved.
However, the method still has the obvious defects in the using process: 1. one end of the oil cylinder in the device is provided with a rod cavity, and the other end of the oil cylinder is provided with a rodless cavity, so that the difference of oil mass inlet and outlet exists due to the existence of the rod during operation, if synchronous lifting of a plurality of series oil cylinders is realized, a plurality of groups of electromagnetic valves are required to be combined to open and close to realize oil mass proportioning, the requirement on processing and assembly is very high, accurate stroke synchronization is difficult to realize, and the error is large; 2. when the device is used for calibration, the condition that the oil quantity difference of the oil cylinders in the series connection can cause that the oil cylinder on one side is not in place needs to be supplemented with oil or unloaded for adjustment, and the device lacks a correction method capable of realizing oil supplement and unloading, so that the calibration and correction are difficult to be timely and quickly realized.
Disclosure of Invention
The invention aims to provide a tandem oil cylinder system applied to a synchronous wheel and a correction method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a serial oil cylinder system applied to a synchronizing wheel comprises a first oil cylinder, a second oil cylinder and an oil tank, wherein the shapes and the sizes of the first oil cylinder and the second oil cylinder are completely identical, a first piston plate is movably arranged in the first oil cylinder and divides the first oil cylinder into a first oil inlet cavity and a first oil outlet cavity, one side, close to the first oil inlet cavity, of the first piston plate is fixedly provided with a rod A, one side, close to the first oil outlet cavity, of the first piston plate is fixedly provided with a rod B, one side, close to the first oil outlet cavity, of the second oil cylinder is movably provided with a second piston plate, the second oil cylinder is divided into a second oil inlet cavity and a second oil outlet cavity by the second piston plate, one side, close to the second oil inlet cavity, of the second piston plate is fixedly provided with a rod C, one side, close to the second oil outlet cavity, of the second piston plate is fixedly provided with a rod D, and the shapes and the sizes of the rod A, the rod B, the first oil outlet cavity is connected with the second oil inlet cavity through an SA5 electromagnetic valve.
Preferably, a gear pump is connected to the oil tank, the gear pump is connected to an SA1 electromagnetic valve through a steering gear, an SA1 electromagnetic valve is connected to an SA9 end of an SA8/SA9 integrated electromagnetic valve, an SA9 end of an SA8/SA9 integrated electromagnetic valve is connected to an SA7 electromagnetic valve, an SA7 electromagnetic valve is connected to the second oil inlet chamber, an SA7 electromagnetic valve is connected to an SA2 electromagnetic valve, an SA2 electromagnetic valve is connected to an SA3 reversing electromagnetic valve, one end of the SA3 reversing electromagnetic valve is directly connected to a pilot operated check valve, the other end of the SA3 reversing electromagnetic valve is connected to a pilot operated check valve through an SA4 normally open type electromagnetic valve, the pilot operated check valve is connected to the second oil outlet chamber, the SA4 normally open type electromagnetic valve is connected to the first oil inlet chamber through a pilot operated check valve, one end of the SA5 electromagnetic valve near the first oil cylinder is connected to an SA6 electromagnetic valve, and an SA6 electromagnetic valve, the SA6 electromagnetic valve is respectively communicated with the SA8 end of the SA2 electromagnetic valve and the SA8/SA9 integrated electromagnetic valve, and the SA8 end of the SA8/SA9 integrated electromagnetic valve is communicated with the oil tank.
Preferably, a first filter is communicated between the oil tank and the gear pump.
Preferably, a second filter is communicated between the SA8 end of the SA8/SA9 integrated electromagnetic valve and the oil tank.
Preferably, the SA8/SA9 integrated electromagnetic valve is communicated with a relief valve.
The correction method applied to the series oil cylinder system of the synchronous wheel mainly comprises two correction modes of oil supplement and oil discharge:
the oil supplementing process comprises an oil inlet line and an oil return line:
an oil inlet line: the gear pump pumps oil from an oil tank, an oil path passes through the steering gear and then reaches an SA1 electromagnetic valve, an SA1 electromagnetic valve is powered and then opened, the oil path reaches an SA9 end of an SA8/SA9 integrated electromagnetic valve, at the moment, an SA9 end is opened, one oil path reaches the position of an SA7 electromagnetic valve, the SA7 electromagnetic valve is powered and then the oil path passes through, finally reaches a second oil inlet cavity, the other oil path reaches an SA2 electromagnetic valve, the SA2 electromagnetic valve is powered and then the oil path passes through an energized SA3 reversing electromagnetic valve, the oil path is reversed, the oil path passes through an SA4 normally-open electromagnetic valve, and at the moment, a hydraulic;
an oil return line: the oil in the second oil outlet cavity reaches the SA3 reversing solenoid valve after passing through the hydraulic control one-way valve, then reaches the SA8 of the SA8/SA9 integrated solenoid valve through the SA2 solenoid valve, and finally returns to the oil tank after passing through the opened SA 8;
the oil discharge process comprises an oil inlet line and an oil return line:
an oil inlet line: the gear pump pumps oil from an oil tank, an oil path passes through the steering gear and then reaches an SA1 electromagnetic valve, the SA1 electromagnetic valve is opened after being electrified, the oil path reaches an SA9 end of an SA8/SA9 integrated electromagnetic valve, at the moment, an SA9 end is opened, and an SA7 electromagnetic valve is closed, so that the oil path can only flow to the SA2 electromagnetic valve, after the SA2 electromagnetic valve is electrified, the oil path reaches an SA3 reversing electromagnetic valve which is electrified, the oil path is reversed and reaches an SA4 normally-open electromagnetic valve, and the oil path reaches a first oil inlet cavity after passing through an SA4 normally-open electromagnetic valve;
an oil return line: the SA5 electromagnetic valve is not electrified at the moment, the oil path is disconnected at the moment, the SA6 electromagnetic valve is opened at the moment, the oil path is communicated at the moment, and the oil in the first oil outlet chamber passes through the SA6 electromagnetic valve, reaches the SA8 end of the SA8/SA9 integrated electromagnetic valve and finally returns to the oil tank.
Compared with the prior art, the invention has the beneficial effects that:
1. the tandem oil cylinders in the invention have the same size and shape, the two ends of the tandem oil cylinders are provided with the rod cavities, and the rods have the same shape and size, so that the strokes can be ensured to be completely the same when the oil inlet and outlet quantities are the same, the defect that the synchronization can be realized only by carrying out complex proportioning in the traditional tandem oil cylinder is solved, and the tandem oil cylinder is simpler, more accurate and more efficient;
2. the series oil cylinder system also comprises a plurality of electromagnetic valve assemblies, and when the volume of oil in a closed space formed by the series oil cylinders is insufficient or excessive, oil supplementing and unloading operations can be performed quickly, calibration and correction are performed in time, and the operation is simple.
The invention provides a series oil cylinder system applied to a synchronous wheel, which can ensure that the strokes of series oil cylinders are completely the same when the inlet and outlet oil quantities are the same, does not need proportioning, is simple and efficient, and also provides a correction method based on the series oil cylinder system applied to the synchronous wheel, is simple to operate and is very worthy of popularization.
Drawings
FIG. 1 is a diagram showing the structure and connection relationship of a first cylinder and a second cylinder according to the present invention;
fig. 2 is a schematic diagram of the overall system structure of the present invention.
In the figure: the hydraulic control system comprises a first oil cylinder 1, a second oil cylinder 2, a first piston plate 3, a first oil inlet cavity 4, a first oil outlet cavity 5, a rod A6, a rod B7, a second piston plate 8, a second oil inlet cavity 9, a second oil outlet cavity 10, a rod C11, a rod D12, a solenoid valve SA5 13, an oil tank 14, a first filter 15, a gear pump 16, a steering gear 17, a solenoid valve SA1, an integrated solenoid valve SA8/SA9, a solenoid valve SA7 20, a solenoid valve SA2 21, a reversing solenoid valve SA3, a pilot-controlled check valve 23, a normally open solenoid valve SA4, a solenoid valve SA6, a second filter 26 and an overflow valve 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
a serial oil cylinder system applied to a synchronous wheel comprises a first oil cylinder 1, a second oil cylinder 2 and an oil tank 14, wherein the shapes and the sizes of the first oil cylinder 1 and the second oil cylinder 2 are completely identical, a first piston plate 3 is movably arranged in the first oil cylinder 1, the first oil cylinder 1 is divided into a first oil inlet cavity 4 and a first oil outlet cavity 5 by the first piston plate 3, a rod A6 is fixedly arranged on one side of the first piston plate 3 close to the first oil inlet cavity 4, a rod B7 is fixedly arranged on one side of the first piston plate 3 close to the first oil outlet cavity 5, a second piston plate 8 is movably arranged in the second oil cylinder 2, the second oil cylinder 2 is divided into a second oil inlet cavity 9 and a second oil outlet cavity 10 by the second piston plate 8, a rod C11 is fixedly arranged on one side of the second piston plate 8 close to the second oil inlet cavity 9, a rod D12 is fixedly arranged on one side of the second piston plate 8 close to the second oil outlet cavity 10, the rods A6, B7, C11 and D12 are completely identical in shape, the first oil outlet cavity 5 is connected with the second oil inlet cavity 9 through the SA5 electromagnetic valve 13, the first oil outlet cavity 5 and the second oil inlet cavity 9 form a closed space, the oil outlet amount of the first oil outlet cavity 5 completely enters the second oil inlet cavity 9, and the shapes and the sizes of the rod B7 and the rod C11 in the two cavities are completely the same, so that the difference between a rod cavity and a rodless cavity in a traditional oil cylinder due to rods is solved, and the synchronous operation is ensured.
Preferably, a gear pump 16 is connected to the oil tank 14 for delivering oil, the gear pump 16 is connected to an SA1 solenoid valve 18 through a direction machine 17, an SA1 solenoid valve 18 is connected to an SA9 end of an SA8/SA9 integrated solenoid valve 19, an SA9 end of the SA8/SA9 integrated solenoid valve 19 is connected to an SA7 solenoid valve 20, the SA7 solenoid valve 20 is connected to the second oil inlet chamber 9, the SA7 solenoid valve 20 is connected to an SA2 solenoid valve 21, the SA2 solenoid valve 21 is connected to an SA3 reversing solenoid valve 22, one end of the SA3 reversing solenoid valve 22 is directly connected to the pilot operated check valve 23, the other end of the SA3 reversing solenoid valve 22 is connected to the pilot operated check valve 23 through an SA4 normally open solenoid valve 24, the pilot operated check valve 23 is connected to the second oil outlet chamber 10, the SA4 normally open solenoid valve 24 is connected to the first oil inlet chamber 4 through the pilot operated check valve 23, one end of the SA5 solenoid valve 13 close to the first oil cylinder 1 is connected to an SA6, and the SA6, the SA6 electromagnetic valve 25 is respectively communicated with the SA8 end of the SA2 electromagnetic valve 21 and the SA8/SA9 integrated electromagnetic valve 19, the SA8 end of the SA8/SA9 integrated electromagnetic valve 19 is communicated with the oil tank 14, and the SA5 electromagnetic valve 13, the SA1 electromagnetic valve 18, the SA7 electromagnetic valve 20, the SA2 electromagnetic valve 21 and the SA6 electromagnetic valve 25 are all electromagnetic valves which can be opened only when being electrified and are in a closed state when not being electrified.
Preferably, a filter 15 is communicated between the oil tank 14 and the gear pump 16 for filtering oil.
Preferably, a second filter 26 is communicated between the SA8 end of the SA8/SA9 integrated electromagnetic valve 19 and the oil tank 14 and is used for filtering oil.
Preferably, the SA8/SA9 integrated electromagnetic valve 19 is communicated with a relief valve 27 to prevent overload.
A correction method applied to a series oil cylinder system of a synchronous wheel mainly comprises two correction modes of oil supplement and oil discharge:
when the rod B7 is in place and the rod D12 is not in place, it indicates that the oil volume in the closed space formed by the first oil outlet chamber 5 and the second oil inlet chamber 9 is insufficient, and oil needs to be supplemented, and the oil supplementing process includes two oil paths, namely an oil inlet line and an oil return line:
an oil inlet line: the gear pump 16 pumps oil from the oil tank 14, an oil path passes through the steering gear 17 and then reaches the SA1 electromagnetic valve 18, the SA1 electromagnetic valve 18 is powered and then opened, the oil path passes through, the oil path reaches the SA9 end of the SA8/SA9 integrated electromagnetic valve 19, at the moment, the SA9 end is opened, after the oil path passes through, one oil path reaches the position of the SA7 electromagnetic valve 20, the oil path passes through after the SA7 electromagnetic valve 20 is powered and finally reaches the second oil inlet cavity 9 for oil supplement, the other oil path reaches the SA2 electromagnetic valve 21, the SA2 electromagnetic valve 21 passes through the powered SA3 reversing electromagnetic valve 22, the oil path is reversed, the normally-open electromagnetic valve 24 passes through the SA4, and at the moment, the hydraulic control one-way valve 23 is opened;
an oil return line: the oil in the second oil outlet chamber 10 passes through the hydraulic control one-way valve 23 and then reaches the SA3 reversing solenoid valve 22, then reaches the SA8 of the SA8/SA9 integrated solenoid valve 19 through the SA2 solenoid valve 21, and finally returns to the oil tank 14 after passing through the opened SA8, so that the redundant oil is returned.
When the rod D12 is in place and the rod B7 is not in place, the oil volume in the closed space formed by the first oil outlet cavity 5 and the second oil inlet cavity 9 is too large, oil unloading is needed, and the oil unloading process comprises two oil paths of an oil inlet line and an oil return line:
an oil inlet line: the gear pump 16 pumps oil from the oil tank 14, an oil path passes through the steering gear 17 and then reaches the SA1 electromagnetic valve 18, the SA1 electromagnetic valve 18 is powered and then opened, the oil path passes through and reaches the SA9 end of the SA8/SA9 integrated electromagnetic valve 19, the SA9 end is opened at the moment, the SA7 electromagnetic valve 20 is closed, so the oil path only flows to the SA2 electromagnetic valve 21, the SA2 electromagnetic valve 21 is powered and then reaches the powered SA3 reversing electromagnetic valve 22, the oil path is reversed and reaches the SA4 normally-open electromagnetic valve 24, and the oil path passes through the SA4 normally-open electromagnetic valve 24 and then reaches the first oil inlet cavity 4;
an oil return line: at this time, the SA5 electromagnetic valve 13 is not electrified, the oil path is disconnected here, the SA6 electromagnetic valve 25 is opened here, the oil path is communicated here, and the oil in the first oil outlet chamber 5 passes through the SA6 electromagnetic valve 25 and reaches the SA8 end of the SA8/SA9 integrated electromagnetic valve 19, and finally returns to the oil tank 14.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a be applied to series connection hydro-cylinder system of synchronizing wheel, includes first hydro-cylinder (1), second hydro-cylinder (2) and oil tank (14), its characterized in that: the shapes and the sizes of the first oil cylinder (1) and the second oil cylinder (2) are completely identical, a first piston plate (3) is movably arranged in the first oil cylinder (1), the first piston plate (3) divides the first oil cylinder (1) into a first oil inlet cavity (4) and a first oil outlet cavity (5), one side of the first piston plate (3) close to the first oil inlet cavity (4) is fixedly provided with a rod A (6), one side of the first piston plate (3) close to the first oil outlet cavity (5) is fixedly provided with a rod B (7), a second piston plate (8) is movably arranged in the second oil cylinder (2), the second piston plate (8) divides the second oil cylinder (2) into a second oil inlet cavity (9) and a second oil outlet cavity (10), one side of the second piston plate (8) close to the second oil inlet cavity (9) is fixedly provided with a rod C (11), one side of the second piston plate (8) close to the second oil outlet cavity (10) is fixedly provided with a rod D (12), the shape and the size of the rod A (6), the rod B (7), the rod C (11) and the rod D (12) are completely the same, and the first oil outlet cavity (5) is connected with the second oil inlet cavity (9) through an SA5 electromagnetic valve (13).
2. The tandem cylinder system applied to the synchronous wheel according to claim 1, wherein: the oil tank (14) is connected with a gear pump (16), the gear pump (16) is connected with an SA1 electromagnetic valve (18) through a steering gear (17), the SA1 electromagnetic valve (18) is connected with an SA9 end of an SA8/SA9 integrated electromagnetic valve (19), an SA9 end of the SA8/SA9 integrated electromagnetic valve (19) is connected with an SA7 electromagnetic valve (20), the SA7 electromagnetic valve (20) is communicated with a second oil inlet cavity (9), the SA7 electromagnetic valve (20) is connected with an SA2 electromagnetic valve (21), the SA2 electromagnetic valve (21) is connected with an SA3 reversing electromagnetic valve (22), one end of the SA3 reversing electromagnetic valve (22) is directly connected with a pilot-operated check valve (23), the other end of the SA3 reversing electromagnetic valve (22) is connected with the pilot-operated check valve (23) through an SA4 normally open electromagnetic valve (24), and the check valve (23) is connected with a second oil outlet cavity (10), the SA4 normally open type electromagnetic valve (24) is connected with the first oil inlet cavity (4) through a hydraulic control one-way valve (23), one end, close to the first oil cylinder (1), of the SA5 electromagnetic valve (13) is communicated with the SA6 electromagnetic valve (25), the SA6 electromagnetic valve (25) is communicated with the first oil outlet cavity (5), the SA6 electromagnetic valve (25) is respectively communicated with the SA8 ends of the SA2 electromagnetic valve (21) and the SA8/SA9 integrated electromagnetic valve (19), and the SA8 end of the SA8/SA9 integrated electromagnetic valve (19) is communicated with the oil tank (14).
3. The tandem cylinder system applied to the synchronous wheel according to claim 2, wherein: a first filter (15) is communicated between the oil tank (14) and the gear pump (16).
4. The tandem cylinder system applied to the synchronous wheel according to claim 2, wherein: and a second filter (26) is communicated between the SA8 end of the SA8/SA9 integrated electromagnetic valve (19) and the oil tank (14).
5. The tandem cylinder system applied to the synchronous wheel according to claim 2, wherein: an overflow valve (27) is communicated with the SA8/SA9 integrated electromagnetic valve (19).
6. A correction method for a tandem cylinder system applied to a synchronous wheel according to any one of claims 1 to 5, characterized in that: the method mainly comprises two correction modes of oil supplement and oil discharge:
the oil supplementing process comprises an oil inlet line and an oil return line:
an oil inlet line: the gear pump (16) pumps oil from an oil tank (14), an oil path passes through a direction machine (17) and then reaches an SA1 electromagnetic valve (18), the SA1 electromagnetic valve (18) is electrified and then opened, the oil path reaches an SA9 end of an SA8/SA9 integrated electromagnetic valve (19), an SA9 end is opened at the moment, one oil path reaches the position of an SA7 electromagnetic valve (20), the SA7 electromagnetic valve (20) is electrified and then the oil path passes through, finally reaches a second oil inlet cavity (9), the other oil path reaches an SA2 electromagnetic valve (21), the SA2 electromagnetic valve (21) is electrified and then the oil path passes through an electrified SA3 reversing electromagnetic valve (22), the oil path is reversed and then reaches an SA4 normally-open electromagnetic valve (24), and at the moment, a hydraulic control one-way valve (23) is opened;
an oil return line: the oil liquid in the second oil outlet cavity (10) passes through a hydraulic control one-way valve (23) and then reaches an SA3 reversing electromagnetic valve (22), then reaches an SA8 position of an SA8/SA9 integrated electromagnetic valve (19) through an SA2 electromagnetic valve (21), and finally returns to the oil tank (14) after passing through an opened SA 8;
the oil discharge process comprises an oil inlet line and an oil return line:
an oil inlet line: the gear pump (16) pumps oil from an oil tank (14), an oil path passes through the steering gear (17) and then reaches an SA1 electromagnetic valve (18), the SA1 electromagnetic valve (18) is electrified and then is opened, the oil path reaches an SA9 end of an SA8/SA9 integrated electromagnetic valve (19), at the moment, an SA9 end is opened, an SA7 electromagnetic valve (20) is closed, so that the oil path can only flow to the SA2 electromagnetic valve (21), after the SA2 electromagnetic valve (21) is electrified, the oil path reaches an SA3 electrified reversing electromagnetic valve (22), the oil path is reversed and reaches an SA4 normally-open electromagnetic valve (24), and the oil path reaches a first oil inlet cavity (4) after passing through the SA4 normally-open electromagnetic valve (24);
an oil return line: at the moment, the SA5 electromagnetic valve (13) is not electrified, the oil path is disconnected, the SA6 electromagnetic valve (25) is opened, the oil path is communicated, the oil in the first oil outlet chamber (5) passes through the SA6 electromagnetic valve (25) and then reaches the SA8 end of the SA8/SA9 integrated electromagnetic valve (19), and finally returns to the oil tank (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139776.7A CN111188799B (en) | 2020-03-03 | 2020-03-03 | Tandem oil cylinder system applied to synchronous wheel and correction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010139776.7A CN111188799B (en) | 2020-03-03 | 2020-03-03 | Tandem oil cylinder system applied to synchronous wheel and correction method thereof |
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| CN111188799A true CN111188799A (en) | 2020-05-22 |
| CN111188799B CN111188799B (en) | 2024-04-05 |
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| CN112938831A (en) * | 2021-04-12 | 2021-06-11 | 合肥搬易通科技发展有限公司 | Front wheel synchronous rotation hydraulic system and forklift thereof |
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| CN205876835U (en) * | 2016-06-30 | 2017-01-11 | 吉林省康达农业机械有限公司 | Synchronous double -acting cylinder mechanism of no -tillage seeder series connection |
| CN108488122A (en) * | 2018-03-30 | 2018-09-04 | 江苏恒立液压科技有限公司 | Multi-cylinder synchronization hydraulic system |
| CN110228768A (en) * | 2019-05-30 | 2019-09-13 | 江苏智库物流科技有限公司 | A kind of synchronization lifting mechanism of heavy duty four-way shuttle robot |
| CN211852322U (en) * | 2020-03-03 | 2020-11-03 | 合肥搬易通科技发展有限公司 | Series oil cylinder system applied to synchronizing wheel |
-
2020
- 2020-03-03 CN CN202010139776.7A patent/CN111188799B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112938831A (en) * | 2021-04-12 | 2021-06-11 | 合肥搬易通科技发展有限公司 | Front wheel synchronous rotation hydraulic system and forklift thereof |
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