CN212744536U - Hydraulic control system with safety protection function - Google Patents
Hydraulic control system with safety protection function Download PDFInfo
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- CN212744536U CN212744536U CN202021066924.9U CN202021066924U CN212744536U CN 212744536 U CN212744536 U CN 212744536U CN 202021066924 U CN202021066924 U CN 202021066924U CN 212744536 U CN212744536 U CN 212744536U
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Abstract
The utility model discloses a hydraulic control system with safety protection function, which comprises a hydraulic oil tank, a hydraulic oil cylinder, a hydraulic oil pump, a motor, an oil absorption and filtration device, a first overflow valve, a second overflow valve, a first check valve, a second check valve, a third check valve, an electromagnetic valve, a three-position four-way electromagnetic directional valve, a throttle valve, a pressure gauge and an energy accumulator, the hydraulic oil tank, the hydraulic oil pump, the electromagnetic valve, the three-position four-way electromagnetic directional valve and the hydraulic oil cylinder are sequentially connected to form a first pipeline, the hydraulic oil cylinder, the three-position four-way electromagnetic directional valve and the third one-way valve are sequentially connected to form a second pipeline, the energy accumulator is connected to the first pipeline in parallel, the energy accumulator is connected with the second overflow valve in series, and the pressure gauge is connected to the connection path of the energy accumulator and the second overflow valve in parallel. This practicality has realized hydraulic control system's safety protection function.
Description
Technical Field
The utility model relates to a hydraulic control system safety protection technical field that is relevant specifically is a hydraulic control system with safety protection function.
Background
The hydraulic control system is based on power provided by a motor, and uses a hydraulic pump to convert mechanical energy into pressure to push hydraulic oil. The flow direction of the hydraulic oil is changed by controlling various valves, so that the hydraulic cylinder is pushed to perform actions with different strokes and different directions, and different action requirements of various devices are met.
The existing hydraulic control system is complex and not easy to overhaul, and has certain limitation in safety protection, so that a hydraulic control system with a safety protection function needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic control system with safety protection function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic control system with a safety protection function comprises a hydraulic oil tank, a hydraulic oil cylinder, a hydraulic oil pump, a motor, an oil suction oil filter, a first overflow valve, a second overflow valve, a first one-way valve, a second one-way valve, a third one-way valve, an electromagnetic valve, a three-position four-way electromagnetic directional valve, a throttle valve, a pressure gauge and an energy accumulator, wherein the hydraulic oil tank, the hydraulic oil pump, the electromagnetic valve, the three-position four-way electromagnetic directional valve and the hydraulic oil cylinder are sequentially connected to form a first pipeline, the hydraulic oil cylinder, the three-position four-way electromagnetic directional valve and the third one-way valve are sequentially connected to form a second pipeline, the first one-way valve and the throttle valve are connected in series on the first pipeline, the second one-way valve is connected in series on the second pipeline, the lower end of the oil suction oil filter is inserted into the, the upper end of the hydraulic oil pump is connected with the lower end of the oil suction oil filter to form a loop, the loop is connected with a first overflow valve, the energy accumulator is connected to the first pipeline in parallel, the energy accumulator is connected with the second overflow valve in series, and the pressure gauge is connected to the connection path of the energy accumulator and the second overflow valve in parallel.
Preferably, the pressure gauge is provided with a pressure gauge index.
Preferably, the hydraulic oil tank is filled with hydraulic oil.
Preferably, the hydraulic oil pump is driven by the motor.
Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic oil pump is driven by a motor to operate, hydraulic oil in the hydraulic oil tank sequentially passes through an oil suction oil filter, a first one-way valve, an electromagnetic valve, a three-position four-way electromagnetic directional valve and a throttle valve along with a first pipeline, the hydraulic oil is filled into a hydraulic oil cylinder, meanwhile, the hydraulic oil pump is also filled into an energy accumulator, if the pressure value measured on the index of a pressure gauge arranged on the pressure gauge exceeds the set highest pressure threshold value, the hydraulic oil pump stops pumping oil to the energy accumulator, at the moment, a part of gas in the system can be discharged into the atmosphere through a first overflow valve and a second overflow valve, the pressure of the system does not exceed an allowable value, the system is guaranteed not to have accidents caused by overhigh pressure value, and an oil return path of the hydraulic oil cylinder sequentially passes through a second one-way valve, a three-position four-way.
The utility model has the advantages of simple overall structure, reasonable in design, the practicality is strong, has realized hydraulic control system's safety protection function, possesses security and stability, excellent in use effect, easy operation.
Drawings
Fig. 1 is a schematic diagram of a hydraulic control system with a safety protection function according to the present invention.
In the figure: 1. a hydraulic oil tank; 2. a hydraulic cylinder; 3. a hydraulic oil pump; 4. a motor; 5. an oil suction filter; 6. a first overflow valve; 7. a second overflow valve; 8. a first check valve; 9. a second one-way valve; 10. a third check valve; 11. an electromagnetic valve; 12. a three-position four-way electromagnetic directional valve; 13. a throttle valve; 14. a pressure gauge; 15. an accumulator; 16. a first pipeline; 17. a second pipeline; 18. a loop; 19. pressure gauge index.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-1, the present invention provides a technical solution: a hydraulic control system with a safety protection function comprises a hydraulic oil tank 1, a hydraulic oil cylinder 2, a hydraulic oil pump 3, a motor 4, an oil suction oil filter 5, a first overflow valve 6, a second overflow valve 7, a first one-way valve 8, a second one-way valve 9, a third one-way valve 10, an electromagnetic valve 11, a three-position four-way electromagnetic directional valve 12, a throttle valve 13, a pressure gauge 14 and an energy accumulator 15, wherein the hydraulic oil tank 1, the hydraulic oil pump 3, the electromagnetic valve 11, the three-position four-way electromagnetic directional valve 12 and the hydraulic oil cylinder 2 are sequentially connected to form a first pipeline 16, the hydraulic oil cylinder 2, the three-position four-way electromagnetic directional valve 12 and the third one-way valve 10 are sequentially connected to form a second pipeline 17, the first one-way valve 8 and the throttle valve 13 are connected in series on the first pipeline 16, the second one-way valve 9 is connected in series on the second pipeline 17, the lower end, the upper end of the hydraulic oil pump 3 is connected with the lower end of the oil suction oil filter 5 to form a loop 18, the loop 18 is connected with a first overflow valve 6, an energy accumulator 15 is connected to a first pipeline 16 in parallel, the energy accumulator 15 is connected with a second overflow valve 7 in series, and a pressure gauge 14 is connected to the connection pipeline of the energy accumulator 15 and the second overflow valve 7 in parallel;
the pressure gauge index 19 is arranged on the pressure gauge 14, the hydraulic oil tank 1 is filled with hydraulic oil, the hydraulic oil pump 3 is driven by the motor 4, firstly, the motor 4 drives the hydraulic oil pump 3 to operate, the hydraulic oil in the hydraulic oil tank 1 can sequentially pass through the oil suction oil filter 5, the first check valve 8, the electromagnetic valve 11, the three-position four-way electromagnetic directional valve 12 and the throttle valve 13 along with the first pipeline 16 to fill the hydraulic oil cylinder 2 with the hydraulic oil, meanwhile, the energy accumulator 15 is also filled with the hydraulic oil, if the pressure value measured on the pressure gauge index 19 arranged on the pressure gauge 14 exceeds the set maximum pressure threshold value, the hydraulic oil pump 3 can stop pumping the energy accumulator 15, at the moment, the first overflow valve 6 and the second overflow valve 7 can discharge a part of gas in the system into the atmosphere, so that the pressure of the system does not exceed the allowable value, thereby ensuring that the, hydraulic cylinder 2's return oil way can be along with second pipeline 17 pours into hydraulic tank 1 into via second check valve 9, tribit cross solenoid directional valve 12, third check valve 10 into in proper order, the utility model has the advantages of simple structure, reasonable in design, the practicality is strong, has realized hydraulic control system's safety protection function, possesses security and stability, excellent in use effect, easy operation.
The working principle is as follows: the utility model discloses a when using, at first motor 4 drive hydraulic oil pump 3 operates, hydraulic oil just can fill hydraulic oil to the accumulator 15 simultaneously and fill hydraulic oil equally along with first pipeline 16 in proper order through oil absorption oil filter 5 in hydraulic oil tank 1, first check valve 8, solenoid valve 11, tribit four-way solenoid directional valve 12 and choke valve 13 fill hydraulic oil to hydraulic cylinder 2, if it exceeds the maximum pressure threshold value of settlement to record the pressure value on the manometer index 19 of installation on manometer 14, hydraulic oil pump 3 just can stop continuing to pump oil to accumulator 15, first overflow valve 6 and second overflow valve 7 can be with some gas escape in the system this moment, make system pressure no longer than the allowable value, thereby guarantee that the system can not take place the accident because of the pressure value is too high, the oil return way of hydraulic cylinder 2 can be along with second pipeline 17 in proper order via second check valve 9, The three-position four-way electromagnetic directional valve 12 and the third one-way valve 10 are injected into the hydraulic oil tank 1, and the device has the advantages of reasonable overall design, simple operation, convenient use, good use effect and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (4)
1. The utility model provides a hydraulic control system with safety protection function, includes hydraulic tank (1), hydraulic cylinder (2), hydraulic oil pump (3), motor (4), oil absorption oil filter (5), first overflow valve (6), second overflow valve (7), first check valve (8), second check valve (9), third check valve (10), solenoid valve (11), tribit four-way electromagnetic directional valve (12), choke valve (13), manometer (14), energy storage ware (15), its characterized in that: the hydraulic oil tank (1), the hydraulic oil pump (3), the electromagnetic valve (11), the three-position four-way electromagnetic directional valve (12) and the hydraulic oil cylinder (2) are sequentially connected to form a first pipeline (16), the hydraulic oil cylinder (2), the three-position four-way electromagnetic directional valve (12) and the third one-way valve (10) are sequentially connected to form a second pipeline (17), the first pipeline (16) is connected with a first one-way valve (8) and a throttle valve (13) in series, the second pipeline (17) is connected with a second one-way valve (9) in series, the lower end of the oil absorption oil filter (5) is inserted into the hydraulic oil tank (1), the other end of the oil absorption oil filter (5) is connected with the hydraulic oil pump (3), the upper end of the hydraulic oil pump (3) is connected with the lower end of the oil absorption oil filter (5) to form a loop (18), and the loop (18) is connected with, the energy accumulator (15) is connected to the first pipeline (16) in parallel, the energy accumulator (15) is connected with the second overflow valve (7) in series, and the pressure gauge (14) is connected to the connection path of the energy accumulator (15) and the second overflow valve (7) in parallel.
2. The hydraulic control system with a safety function according to claim 1, characterized in that: and a pressure gauge index (19) is arranged on the pressure gauge (14).
3. The hydraulic control system with a safety function according to claim 1, characterized in that: the hydraulic oil tank (1) is filled with hydraulic oil.
4. The hydraulic control system with a safety function according to claim 1, characterized in that: the hydraulic oil pump (3) is driven by the motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021066924.9U CN212744536U (en) | 2020-06-11 | 2020-06-11 | Hydraulic control system with safety protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021066924.9U CN212744536U (en) | 2020-06-11 | 2020-06-11 | Hydraulic control system with safety protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744536U true CN212744536U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021066924.9U Active CN212744536U (en) | 2020-06-11 | 2020-06-11 | Hydraulic control system with safety protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744536U (en) |
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2020
- 2020-06-11 CN CN202021066924.9U patent/CN212744536U/en active Active
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