CN220646336U - Pressure measuring hydraulic system for automobile parts - Google Patents
Pressure measuring hydraulic system for automobile parts Download PDFInfo
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- CN220646336U CN220646336U CN202322342006.4U CN202322342006U CN220646336U CN 220646336 U CN220646336 U CN 220646336U CN 202322342006 U CN202322342006 U CN 202322342006U CN 220646336 U CN220646336 U CN 220646336U
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 166
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101100293608 Hordeum vulgare NAS9 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
The utility model relates to a pressure measuring hydraulic system of automobile parts, which comprises an oil supply assembly, a pressure regulating assembly, a pressure stabilizing assembly and an oil cylinder, wherein the oil supply assembly is connected with the pressure regulating assembly; set up pressure regulating assembly between oil feeding unit and steady voltage subassembly, pressure regulating assembly includes first pressure oil branch road, second pressure oil branch road, and first pressure oil branch road front end, second pressure oil branch road front end are connected pressure oil circuit and are returned the oil circuit through second electromagnetic directional valve, and first overflow valve is connected to first pressure oil branch road rear end, second overflow valve is connected to second pressure oil branch road rear end, return the oil circuit is connected to first overflow valve rear end and second overflow valve rear end, through switching second electromagnetic directional valve to realize first pressure oil branch road or second pressure oil branch road intercommunication, realize two kinds of pressure switch in the hydraulic system, simple structure, convenient operation.
Description
Technical Field
The utility model relates to the technical field of hydraulic systems, in particular to a pressure measuring hydraulic system for automobile parts.
Background
The fatigue test of the automobile metal material simulates the fatigue performance of automobile parts subjected to alternating load circulation under various environments of actual use, the fracture process is researched, and the service life of the parts is estimated.
The utility model discloses a high-low temperature hydraulic system for an automobile part pressure measuring device in the prior art, for example, the China utility model with the document number of CN201724824U, which comprises a supply oil path, an oil drain loop and an oil return oil path, wherein the supply oil path comprises a high-temperature supply oil path, a low-temperature supply oil path, an inlet monitoring oil path and a first quick-change joint, the high-temperature supply oil path comprises a high-temperature oil tank, a coarse filter, a high-temperature oil pump, a first pressure measuring meter, a first fine filter, a high Wen Bili overflow valve, a high-temperature manual overflow valve and a first pneumatic ball valve, which are provided with a temperature control system, the low-temperature supply oil path comprises a low-temperature oil tank, a low-temperature oil pump, a second meter, a second fine filter, a low-temperature proportional overflow valve, a low-temperature manual overflow valve and a second pneumatic ball valve, and the inlet monitoring oil path comprises a speed regulating valve, an oil supply flowmeter and a temperature pressure sensor group. The hydraulic system, while capable of providing a stable pressure, cannot achieve a rapid, stable switching of high and low pressures to provide the alternating load required for fatigue testing.
Disclosure of Invention
In view of the foregoing shortcomings of the prior art, it is an object of the present utility model to provide a pressure measuring hydraulic system for automotive components that solves one or more of the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the automobile part pressure measuring hydraulic system comprises an oil supply assembly, a pressure adjusting assembly, a pressure stabilizing assembly and an oil cylinder;
the oil supply assembly comprises an oil tank, a pressure oil way connected with an oil outlet of the oil tank and an oil return way connected with an oil return port of the oil tank, and a motor pump set is arranged at the front end of the pressure oil way;
the pressure regulating assembly comprises a first pressure oil branch and a second pressure oil branch, the front ends of the first pressure oil branch and the second pressure oil branch are connected with a pressure oil path and an oil return path through a second electromagnetic reversing valve, the rear end of the first pressure oil branch is connected with a first overflow valve, the rear end of the second pressure oil branch is connected with a second overflow valve, and the rear ends of the first overflow valve and the second overflow valve are connected with the oil return path;
the pressure stabilizing assembly comprises a first electromagnetic directional valve, the front end of the first electromagnetic directional valve is respectively connected with a pressure oil way and an oil return way, and the rear end of the first electromagnetic directional valve is respectively connected with a first working oil port of the oil cylinder through a first working oil way and a second working oil port of the oil cylinder through a second working oil way.
Further, the voltage stabilizing component further comprises a one-way throttle valve connected to the rear end of the first electromagnetic directional valve and a hydraulic control one-way valve connected to the rear end of the one-way throttle valve.
Further, the voltage stabilizing assembly further comprises a pressure relay and an accumulator connected to the second working circuit.
Further, at least two electromagnetic ball valves are arranged between the second working oil way and the oil return way.
Further, a pressure measuring component, a throttle, a stop valve and a safety valve are also connected between the energy accumulator and the second working oil way.
Further, the pressure measuring assembly comprises a pressure measuring joint, a pressure measuring hose connected with the pressure measuring joint and a pressure gauge connected with the pressure measuring hose.
Further, a liquid level meter, an air filter, a liquid level relay and an oil drain ball valve are further arranged on the oil tank.
Further, a high-pressure filter is arranged on the pressure oil path, and a blocking transmitter is arranged in the high-pressure filter.
Further, the motor pump group comprises an oil pump and a motor, wherein the oil pump is connected with the motor through a bell jar coupler, and the motor is used for driving the oil pump to absorb oil.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the pressure measuring hydraulic system for the automobile parts, the pressure adjusting assembly is arranged between the oil supply assembly and the pressure stabilizing assembly and comprises the first pressure oil branch and the second pressure oil branch, the front end of the first pressure oil branch is connected with the pressure oil path and the oil return path through the second electromagnetic reversing valve, the rear end of the first pressure oil branch is connected with the first overflow valve, the rear end of the second pressure oil branch is connected with the second overflow valve, the rear end of the first overflow valve and the rear end of the second overflow valve are connected with the oil return path, and the second electromagnetic reversing valve is switched to realize the communication of the first pressure oil branch or the second pressure oil branch and the two pressure switching in the hydraulic system.
And (II) the pressure stabilizing assembly comprises a one-way throttle valve connected to the rear end of the first electromagnetic directional valve and a hydraulic control one-way valve connected to the rear end of the one-way throttle valve, and the hydraulic control one-way valve is arranged at the rear part of the one-way throttle valve, so that reverse oil outlet is directly connected with the oil return tank, the back pressure of an oil way is reduced, the response speed of the one-way valve is improved, and meanwhile, the stability of the internal oil pressure during the oil way reversing is ensured.
And the pressure stabilizing assembly further comprises a pressure relay and an energy accumulator, wherein the pressure relay is connected to the second working circuit, the pressure relay is used for detecting the pressure in the hydraulic system and controlling the action of the second electromagnetic reversing valve, the automatic switching system pressure is realized, the energy accumulator is used for preventing leakage and maintaining pressure of the hydraulic system, the electromagnetic ball valve is used for releasing pressure of the hydraulic system, the pressure measuring assembly, the throttling valve, the stop valve and the safety valve are further connected between the energy accumulator and the second working oil circuit, the throttling valve and the stop valve are used for adjusting the flow and the pressure of the hydraulic system, and the safety valve is used for overpressure unloading of the hydraulic system to ensure the pressure stability in the system.
Drawings
Fig. 1 shows a connection relation diagram of a pressure measuring hydraulic system for automobile parts according to an embodiment of the utility model.
Fig. 2 shows a connection diagram of an oil supply assembly in a pressure measuring hydraulic system for automobile parts according to an embodiment of the utility model.
Fig. 3 shows a connection relationship diagram of a pressure adjusting assembly in a pressure measuring hydraulic system of an automobile part according to an embodiment of the utility model.
Fig. 4 shows a connection relationship diagram of a voltage stabilizing component in a pressure measuring hydraulic system of an automobile part according to an embodiment of the utility model.
Fig. 5 shows a schematic front view of a pressure measuring hydraulic system for automobile parts according to an embodiment of the present utility model.
Fig. 6 shows a schematic rear view of a pressure measuring hydraulic system for automobile parts according to the first embodiment of the utility model.
The reference numerals in the drawings:
1. an oil tank; 11. a liquid level gauge; 12. an air cleaner; 13. a liquid level relay; 14. an oil drain ball valve; 15. a motor pump group; 151. an oil pump; 152. a motor; 153. a bell coupling; 2. a pressure oil path; 21. a high pressure filter; 22. blocking the signaling device; 3. an oil return path; 4. a first working oil path; 5. a second working oil path; 51. a throttle; 52. a stop valve; 53. a safety valve; 54. an electromagnetic ball valve; 6. a pressure regulating assembly; 61. a first pressure oil branch; 62. a second pressure oil branch; 63. a first overflow valve; 64. a second overflow valve; 65. a second electromagnetic directional valve; 7. a voltage stabilizing component; 71. a pressure relay; 72. an accumulator; 73. a one-way throttle valve; 74. a hydraulically controlled one-way valve; 75. a first electromagnetic directional valve; 8. a pressure measurement assembly; 81. a pressure measuring joint; 82. a pressure measuring hose; 83. a pressure gauge; 9. an oil cylinder; 91. a first working oil port; 92. and the second working oil port.
Detailed Description
For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or essential characteristics thereof.
In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In order to more clearly describe the structure of the pressure measuring hydraulic system for the automobile parts, the utility model defines the terms of a front end and a rear end, specifically, the term of the front end refers to one end of an oil path close to an oil return port and an oil outlet port of an oil tank 1, the term of the rear end refers to one end of the oil path far away from the oil return port and the oil outlet port of the oil tank 1, taking fig. 1 as an example, the lower end of a pressure oil path 2 in fig. 1 is the front end, and the upper end of the pressure oil path 2 in fig. 1 is the rear end.
Example 1
Referring to fig. 1, 2, 3, 4, 5 and 6, the automobile part pressure measuring hydraulic system comprises an oil supply assembly, a pressure regulating assembly 6, a pressure stabilizing assembly 7 and an oil cylinder 9;
the oil supply assembly comprises an oil tank 1, a pressure oil way 2 connected with an oil outlet of the oil tank 1 and an oil return way 3 connected with an oil return port of the oil tank 1, and a motor pump set 15 is arranged at the front end of the pressure oil way 2;
the pressure regulating assembly 6 comprises a first pressure oil branch 61 and a second pressure oil branch 62, wherein the front end of the first pressure oil branch 61 and the front end of the second pressure oil branch 62 are connected with the pressure oil circuit 2 and the oil return circuit 3 through a second electromagnetic directional valve 65, the rear end of the first pressure oil branch 61 is connected with a first overflow valve 63, the rear end of the second pressure oil branch 62 is connected with a second overflow valve 64, and the rear ends of the first overflow valve 63 and the second overflow valve 64 are connected with the oil return circuit 3;
the pressure stabilizing assembly 7 comprises a first electromagnetic directional valve 75, the front end of the first electromagnetic directional valve 75 is respectively connected with the pressure oil way 2 and the oil return way 3, and the rear end of the first electromagnetic directional valve 75 is respectively connected with a first working oil port 91 of the oil cylinder 9 through a first working oil way 4 and a second working oil port 92 of the oil cylinder 9 through a second working oil way 5.
Specifically, referring to fig. 1 and 3, the first relief valve 63 is 150bar, the second relief valve 64 is 70bar, and the second electromagnetic directional valve 65 is switched to realize the communication of different relief valves. Referring to fig. 5 and 6, the pressure stabilizing component 7 and the pressure regulating component 6 are integrated on the valve block, so that the structure is compact and the occupied space is small.
Referring to fig. 1 and 4, further, the pressure stabilizing assembly 7 further includes a one-way throttle valve 73 connected to the rear end of the first electromagnetic directional valve 75, and a pilot operated one-way valve 74 connected to the rear end of the one-way throttle valve 73, and by installing the pilot operated one-way valve 74 at the rear end of the one-way throttle valve 73, the reverse oil outlet is directly connected back to the oil tank 1, so as to reduce the back pressure of the oil path, improve the response speed of the one-way valve, and simultaneously ensure the stability of the internal oil pressure during the reversing of the oil path.
Referring to fig. 1 and 4, further, the pressure stabilizing assembly 7 further includes a pressure relay 71 and an accumulator 72 connected to the second working circuit, where the pressure relay 71 is used to detect the pressure in the hydraulic system and control the second electromagnetic directional valve 65 to act, and the two pressure relays 71 respectively detect two low pressure points, so as to realize automatic switching of the system pressure, and the accumulator 72 is used for leak-proof and pressure-maintaining of the hydraulic system.
Referring to fig. 1 and 4, further, at least two electromagnetic ball valves 54 are further disposed between the second working oil path 5 and the oil return path 3, and the electromagnetic ball valves 54 are used for releasing pressure of the hydraulic system.
Referring to fig. 1 and 4, further, the pressure measuring assembly 8, the throttling element 51, the stop valve 52 and the safety valve 53 are further connected between the accumulator 72 and the second working oil path 5, the throttling element 51 and the stop valve 52 are used for adjusting the flow and the pressure of the hydraulic system, and the safety valve 53 is used for unloading the overpressure of the hydraulic system.
Referring to fig. 1 and 4, further, the pressure measuring assembly 8 includes a pressure measuring joint 81, a pressure measuring hose 82 connected to the pressure measuring joint 81, and a pressure gauge 83 connected to the pressure measuring hose 82.
Referring to fig. 1 and 2, further, the oil tank 1 is further provided with a liquid level meter 11, an air filter 12, a liquid level relay 13, and an oil drain ball valve 14, wherein the liquid level meter 11 and the liquid level relay 13 are used for detecting the medium capacity in the oil tank 1, and the oil drain ball valve 14 is used for draining the medium.
Referring to fig. 1 and 2, further, a high-pressure filter 21 is disposed on the pressure oil path 2, a blocking transmitter 22 is disposed in the high-pressure filter 21, and the high-pressure filter 21 is used for reducing and controlling the pollution impurities in the hydraulic system, protecting the oil pump 151 and other hydraulic components, and achieving the NAS9 level of system cleanliness.
Referring to fig. 1 and 2, further, the motor pump unit 15 includes an oil pump 151 and a motor 152, the oil pump 151 is connected to the motor 152 through a bell coupling 153, and the motor 152 is used for driving the oil pump 151 to absorb oil.
The specific working procedure of the utility model is as follows:
starting the motor 152, wherein the motor 152 drives the oil pump 151 to absorb oil from the oil outlet of the oil tank 1, and when the first electromagnetic directional valve 75 and the second electromagnetic directional valve 65 are not powered, the pressure oil directly returns to the oil tank 1 through the oil return channel 3 and does not work; when the first electromagnetic directional valve 75 and the second electromagnetic directional valve 65 are powered on, the second electromagnetic directional valve 65 is switched to realize the communication of the first pressure oil branch 61 or the second pressure oil branch 62, so that the two pressure switching in the hydraulic system is realized;
when the piston of the oil cylinder 9 is required to extend, hydraulic oil is supplied to the first working oil port 91 through the pressure oil path 2 and the first working oil path 4, and the second working oil port 92 returns to the oil tank 1 through the second working oil path 5 and the oil return path 3; when the piston of the oil cylinder 9 is required to shrink, the first electromagnetic directional valve 75 is switched, hydraulic oil is supplied to the second working oil port 92 through the pressure oil path 2 and the second working oil path 5, and the first working oil port 91 returns to the oil tank 1 through the first working oil path 4 and the oil return path 3.
The pressure measuring hydraulic system for the automobile parts has the advantages that the pressure of an oil way is 7MPa and 15MPa when the pressure measuring hydraulic system works, the flow is 12L/min, YB-N46 antiwear hydraulic oil is adopted as a system medium, and the pressure measuring requirement of the automobile parts is met.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. Automobile parts pressure measurement hydraulic system, its characterized in that: the automobile part pressure measuring hydraulic system comprises an oil supply assembly, a pressure adjusting assembly, a pressure stabilizing assembly and an oil cylinder;
the oil supply assembly comprises an oil tank, a pressure oil way connected with an oil outlet of the oil tank and an oil return way connected with an oil return port of the oil tank, and a motor pump set is arranged at the front end of the pressure oil way;
the pressure regulating assembly comprises a first pressure oil branch and a second pressure oil branch, the front ends of the first pressure oil branch and the second pressure oil branch are connected with a pressure oil path and an oil return path through a second electromagnetic reversing valve, the rear end of the first pressure oil branch is connected with a first overflow valve, the rear end of the second pressure oil branch is connected with a second overflow valve, and the rear ends of the first overflow valve and the second overflow valve are connected with the oil return path;
the pressure stabilizing assembly comprises a first electromagnetic directional valve, the front end of the first electromagnetic directional valve is respectively connected with a pressure oil way and an oil return way, and the rear end of the first electromagnetic directional valve is respectively connected with a first working oil port of the oil cylinder through a first working oil way and a second working oil port of the oil cylinder through a second working oil way.
2. The automotive part pressure measurement hydraulic system of claim 1 wherein: the pressure stabilizing assembly further comprises a one-way throttle valve connected to the rear end of the first electromagnetic reversing valve and a hydraulic control one-way valve connected to the rear end of the one-way throttle valve.
3. The automotive component part pressure measurement hydraulic system of claim 2, wherein: the voltage stabilizing assembly further comprises a pressure relay and an energy accumulator connected to the second working circuit.
4. The automotive part pressure measurement hydraulic system of claim 3 wherein: and at least two electromagnetic ball valves are also arranged between the second working oil way and the oil return way.
5. The automotive part pressure measurement hydraulic system of claim 3 wherein: and a pressure measuring assembly, a throttle, a stop valve and a safety valve are also connected between the energy accumulator and the second working oil way.
6. The automotive part pressure measurement hydraulic system of claim 5 wherein: the pressure measuring assembly comprises a pressure measuring joint, a pressure measuring hose connected with the pressure measuring joint and a pressure gauge connected with the pressure measuring hose.
7. The automotive part pressure measurement hydraulic system of claim 1 wherein: the oil tank is also provided with a liquid level meter, an air filter, a liquid level relay and an oil drain ball valve.
8. The automotive part pressure measurement hydraulic system of claim 1 wherein: the pressure oil way is provided with a high-pressure filter, and a blocking transmitter is arranged in the high-pressure filter.
9. The automotive part pressure measurement hydraulic system of claim 1 wherein: the motor pump group comprises an oil pump and a motor, wherein the oil pump is connected with the motor through a bell jar coupling, and the motor is used for driving the oil pump to absorb oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322342006.4U CN220646336U (en) | 2023-08-30 | 2023-08-30 | Pressure measuring hydraulic system for automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322342006.4U CN220646336U (en) | 2023-08-30 | 2023-08-30 | Pressure measuring hydraulic system for automobile parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646336U true CN220646336U (en) | 2024-03-22 |
Family
ID=90284027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322342006.4U Active CN220646336U (en) | 2023-08-30 | 2023-08-30 | Pressure measuring hydraulic system for automobile parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646336U (en) |
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2023
- 2023-08-30 CN CN202322342006.4U patent/CN220646336U/en active Active
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