CN218542800U - Hydraulic parameter measuring system without external power - Google Patents
Hydraulic parameter measuring system without external power Download PDFInfo
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- CN218542800U CN218542800U CN202223261991.8U CN202223261991U CN218542800U CN 218542800 U CN218542800 U CN 218542800U CN 202223261991 U CN202223261991 U CN 202223261991U CN 218542800 U CN218542800 U CN 218542800U
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Abstract
The utility model relates to a hydraulic parameter measuring system without external power, which is used for measuring the power parameters of a measured mechanism and comprises an oil tank and a circulating liquid path system communicated with the oil tank, wherein one end of the outlet of the circulating liquid path system is connected with an oil suction filter; the electromagnetic type hydraulic control system further comprises a hydraulic bridge circuit connected to the circulating fluid path system, a three-position two-way electromagnetic valve, a proportional overflow valve, an electromagnetic flowmeter and a heat dissipation assembly, wherein the three-position two-way electromagnetic valve is adjacent to the hydraulic bridge circuit and connected to the circulating fluid path system, the proportional overflow valve, the electromagnetic flowmeter and the heat dissipation assembly are sequentially connected to the circulating fluid path system, and a pressure gauge and a pressure sensor are communicated to the circulating fluid path system between the three-position two-way electromagnetic valve and the proportional overflow valve through a three-way pipeline. The utility model discloses can carry out parameter measurement to equipment under the condition of external power of not connecting, simple structure, convenient operation, and can not cause wearing and tearing to equipment under test's power component, and have better result of use.
Description
Technical Field
The utility model relates to a hydraulic pressure is surveyed and is participated technical field, especially relates to a no external power's hydraulic pressure is surveyed and is participated system.
Background
In the prior art, parameter measurement or running-in test of tested equipment such as high and low machines, steering machines and the like is performed under the condition of applying matched external force to the tested equipment by connecting an external power source, and the parameter measurement method or the running-in test method has the advantages of complex structure, inconvenient operation and high manufacturing cost, and can cause the conditions of abrasion, even damage and the like to power parts of the tested equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a hydraulic pressure of no external power surveys parameter system can carry out parameter measurement to equipment under the condition of not throwing out of gear external power, simple structure, convenient operation, and can not cause wearing and tearing to equipment under test's power part, and have better result of use.
The utility model adopts the technical proposal that: a hydraulic parameter measuring system without external power is used for measuring power parameters of a measured mechanism and comprises an oil tank and a circulating liquid path system communicated with the oil tank, wherein one end of an outlet of the circulating liquid path system is connected with an oil suction filter; the electromagnetic type hydraulic control system further comprises a hydraulic bridge circuit connected to the circulating fluid path system, a three-position two-way electromagnetic valve, a proportional overflow valve, an electromagnetic flowmeter and a heat dissipation assembly, wherein the three-position two-way electromagnetic valve is adjacent to the hydraulic bridge circuit and connected to the circulating fluid path system, the proportional overflow valve, the electromagnetic flowmeter and the heat dissipation assembly are sequentially connected to the circulating fluid path system, and a pressure gauge and a pressure sensor are communicated to the circulating fluid path system between the three-position two-way electromagnetic valve and the proportional overflow valve through a three-way pipeline.
As a further limitation to the above technical solution, the hydraulic bridge circuit includes a plunger oil pump in transmission connection with the mechanism to be measured via a planetary reducer or a speed increaser, and a forward rotation oil path communicated with the plunger oil pump; the oil pump also comprises a reverse oil way communicated with the plunger oil pump and a zero-load oil way communicated between the three-position two-way electromagnetic valve and the oil tank.
As a further limitation to the above technical solution, the forward rotation oil path includes a first check valve communicated between the plunger oil pump and the oil suction filter, and a second check valve communicated between the plunger oil pump and the three-position two-way solenoid valve on the circulation fluid path system; the reverse oil path comprises a first reverse oil path section with one end communicated between the oil suction oil filter and the first one-way valve and the other end communicated between the plunger oil pump and the second one-way valve, a third one-way valve communicated on the first reverse oil path section, a second reverse oil path section with one end communicated between the first one-way valve and the plunger oil pump and the other end communicated between the second one-way valve and the three-position two-way electromagnetic valve, and a fourth one-way valve communicated on the second reverse oil path section.
As a further limitation to the above technical solution, a pressure line filter is communicated with the circulating fluid line system between the three-position two-way solenoid valve and the three-way line.
As a further limitation to the above technical solution, the heat dissipation assembly includes an oil temperature heat dissipation pipeline installed on the circulating fluid pipeline system, and a heat dissipation fan disposed adjacent to the oil temperature heat dissipation pipeline and connected via an electrical signal of a PLC control system; the oil-level sensor is arranged in the oil tank and is in electric signal connection with the PLC control system.
As a further limitation to the above technical means, a torque/rotational speed sensor is connected between the mechanism to be measured and the planetary reduction gear or the speed increaser.
The utility model discloses a no external power's hydraulic pressure surveys and participates in system, through the oil tank, circulation fluid route system, connect the hydraulic pressure bridge circuit on circulation fluid route system, the tribit two-way solenoid valve, the proportional overflow valve, the electromagnetic flowmeter, radiator unit and the setting such as manometer and pressure sensor via the tee bend pipeline intercommunication, can realize the moment of torsion to the mechanism of being surveyed via hydraulic system under the condition that does not have external power supply, the rotational speed, pressure, power, the survey of efficiency isoparametric, perhaps realize the running-in test to the mechanism of being surveyed via hydraulic system, moreover, the steam generator is simple in structure, and convenient for operation, and can not cause wearing and tearing to the power component of equipment of being surveyed, and have better result of use.
Drawings
Fig. 1 is a schematic view of a hydraulic system of the present invention without external power.
In the figure:
1-measured mechanism, 21-oil tank, 22-circulating fluid path system, 23-oil suction filter, 24-hydraulic bridge circuit, 241-planetary reducer or speed increaser, 242-plunger oil pump, 2431-first check valve, 2432-second check valve, 2441-first reverse oil path, 2442-third check valve, 2443-second reverse oil path, 2444-fourth check valve, 245-zero load oil path, 25-three-position two-way electromagnetic valve, 26-proportional overflow valve, 27-electromagnetic flowmeter, 28-heat dissipation assembly, 281-oil temperature heat dissipation pipeline, 282-heat dissipation fan, 283-oil temperature sensor, 284-oil level sensor, 29-pressure gauge, 210-pressure sensor, 211-pressure pipeline filter and 212-torque rotating speed sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
A hydraulic parameter measuring system without external power is used for measuring power parameters of a measured mechanism 1 and can also be used for running-in tests of the measured mechanism 1, specifically, the measured mechanism 1 can be a high-low machine, a steering machine and other equipment, as shown in figure 1, the hydraulic parameter measuring system without external power comprises an oil tank 21 and a circulating fluid path system 22 communicated with the oil tank 21, and one end of an outlet of the circulating fluid path system 22 is connected with an oil absorption oil filter 23; the three-position two-way electromagnetic valve further comprises a hydraulic bridge circuit 24 connected to the circulating fluid path system 22, a three-position two-way electromagnetic valve 25 connected to the circulating fluid path system 22 adjacent to the hydraulic bridge circuit 24, a proportional overflow valve 26, an electromagnetic flowmeter 27 and a heat dissipation assembly 28 which are sequentially connected to the circulating fluid path system 22, and a pressure gauge 29 and a pressure sensor 210 are communicated with the circulating fluid path system 22 between the three-position two-way electromagnetic valve 25 and the proportional overflow valve 26 through a three-way pipeline.
Specifically, by adjusting the proportional relief valve 26, the flow passing through the hydraulic bridge 24 can be adjusted, and the flow is measured by the electromagnetic flow meter 27 and is matched with the parameters of the mechanism 1 to be measured, in the process, the pressure value is measured by the pressure gauge 29 and the pressure sensor 210, the parameters such as power and the like are comprehensively measured by the flow and the pressure, and the parameters such as torque, rotating speed, pressure, power, efficiency and the like of the mechanism 1 to be measured can be measured by the hydraulic system under the condition of no external power source, or the running-in test of the mechanism 1 to be measured is realized by the hydraulic system, so that the structure is simple, the operation is convenient, the power part of the equipment to be measured cannot be abraded, and the use effect is good.
Specifically, the hydraulic bridge 24 includes a plunger oil pump 242 in transmission connection with the mechanism 1 to be tested via a planetary reducer or a speed increaser 241, and a forward rotation oil path communicated with the plunger oil pump 242; and a reverse oil path communicated with the plunger oil pump 242, and a zero-load oil path 245 communicated between the three-position two-way solenoid valve 25 and the oil tank 21, wherein when the normal rotation is required, the oil in the oil tank 21 is circulated through the normal oil path, when the reverse rotation is required, the oil in the oil tank 21 is circulated through the reverse oil path, and when there is no load of the mechanism 1 to be measured and the like, the oil in the oil tank 21 is returned to the oil tank 21 through the zero-load oil path 245. Specifically, the speed increaser can be realized by reversing a planetary speed reducer, and in order to realize the measurement of the rotating speed and the torque, a torque rotating speed sensor 212 is connected between the measured mechanism 1 and the planetary speed reducer or the speed increaser 241.
In this embodiment, the forward rotation oil path includes a first check valve 2431 communicating between the plunger oil pump 242 and the oil suction filter 23, and a second check valve 2432 communicating between the plunger oil pump 242 and the three-position two-way solenoid valve 25 on the circulation fluid path system 22; the reverse oil path includes a first reverse oil path section 2441 having one end communicating with between the oil suction strainer 23 and the first check valve 2431 and the other end communicating with between the plunger oil pump 242 and the second check valve 2432, a third check valve 2442 communicating with the first reverse oil path section 2441, a second reverse oil path section 2443 having one end communicating with between the first check valve 2431 and the plunger oil pump 242 and the other end communicating with between the second check valve 2432 and the three-position two-way solenoid valve 25, and a fourth check valve 2444 communicating with the second reverse oil path section 2443. When the rotation is in the normal direction, oil flows through the first check valve 2431, the circulation fluid passage system 22, the plunger oil pump 242, and the second check valve 2432, and when the rotation is in the reverse direction, oil flows through the first reverse rotation fluid passage 2441, the third check valve 2442, the plunger oil pump 242, the second reverse rotation fluid passage 2443, the fourth check valve 2444, and the circulation fluid passage system 22.
In this embodiment, the pressure line filter 211 is connected to the circulation line system 22 between the three-position two-way solenoid valve 25 and the three-way line, the switch connected in parallel with the pressure line filter 211 is connected to the circulation line system 22, and when the differential pressure across the pressure line filter 211 is greater than 0.35MPa, the switch is controlled to be opened by the PLC control system, that is, the value of P1 minus P2 in fig. 1 is greater than 0.35MPa.
To facilitate heat dissipation of the hydraulic parameter measurement system, the heat dissipation assembly 28 includes an oil temperature heat dissipation pipeline 281 mounted on the circulating fluid pipeline system 22, and a heat dissipation fan 282 disposed adjacent to the oil temperature heat dissipation pipeline 281 and electrically connected via a PLC control system; the oil-level control system further comprises an oil temperature sensor 283 and an oil level sensor 284 which are arranged in the oil tank 21 and electrically connected with the PLC control system, and specifically, the PLC control system can adopt the prior art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the present invention within the technical scope of the present invention, and the technical solution obtained by replacing or changing the technical idea of the present invention with equivalents.
Claims (6)
1. The utility model provides a no external power's hydraulic pressure surveys reference system for the measurement of the dynamic parameter of surveyed the mechanism, its characterized in that: the oil-suction oil filter is connected to one end of an outlet of the circulating liquid path system; the electromagnetic type hydraulic control system further comprises a hydraulic bridge circuit connected to the circulating liquid path system, a three-position two-way electromagnetic valve which is adjacent to the hydraulic bridge circuit and connected to the circulating liquid path system, a proportional overflow valve, an electromagnetic flowmeter and a heat dissipation assembly which are sequentially connected to the circulating liquid path system, and a pressure gauge and a pressure sensor are communicated with the circulating liquid path system between the three-position two-way electromagnetic valve and the proportional overflow valve through a three-way pipeline.
2. The hydraulic parameter measuring system without external power as claimed in claim 1, wherein: the hydraulic bridge circuit comprises a plunger oil pump in transmission connection with the mechanism to be tested through a planetary reducer or a speed increaser, and a forward rotation oil way communicated with the plunger oil pump; the oil pump also comprises a reverse oil way communicated with the plunger oil pump and a zero-load oil way communicated between the three-position two-way electromagnetic valve and the oil tank.
3. The hydraulic parameter measuring system without external power as claimed in claim 2, wherein: the forward rotation oil path comprises a first one-way valve communicated between the plunger oil pump and the oil suction oil filter and a second one-way valve communicated between the plunger oil pump and the three-position two-way electromagnetic valve on the circulating liquid path system; the reverse oil path comprises a first reverse oil path section with one end communicated between the oil suction oil filter and the first one-way valve and the other end communicated between the plunger oil pump and the second one-way valve, a third one-way valve communicated on the first reverse oil path section, a second reverse oil path section with one end communicated between the first one-way valve and the plunger oil pump and the other end communicated between the second one-way valve and the three-position two-way electromagnetic valve, and a fourth one-way valve communicated on the second reverse oil path section.
4. The hydraulic parameter measuring system without external power as claimed in claim 1, wherein: and a pressure pipeline filter is communicated with the circulating liquid pipeline system between the three-position two-way electromagnetic valve and the three-way pipeline.
5. The hydraulic parameter measuring system without external power as claimed in claim 1, wherein: the heat dissipation assembly comprises an oil temperature heat dissipation pipeline and a heat dissipation fan, wherein the oil temperature heat dissipation pipeline is installed on the circulating liquid path system, and the heat dissipation fan is arranged adjacent to the oil temperature heat dissipation pipeline and is connected with the oil temperature heat dissipation pipeline through a PLC (programmable logic controller) control system through an electric signal; the oil-level sensor is arranged in the oil tank and is in electric signal connection with the PLC control system.
6. The hydraulic parameter measuring system without external power as claimed in claim 2, wherein: and a torque and rotating speed sensor is connected between the mechanism to be tested and the planetary reducer or the speed increaser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261991.8U CN218542800U (en) | 2022-12-05 | 2022-12-05 | Hydraulic parameter measuring system without external power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261991.8U CN218542800U (en) | 2022-12-05 | 2022-12-05 | Hydraulic parameter measuring system without external power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542800U true CN218542800U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202223261991.8U Active CN218542800U (en) | 2022-12-05 | 2022-12-05 | Hydraulic parameter measuring system without external power |
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| Country | Link |
|---|---|
| CN (1) | CN218542800U (en) |
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2022
- 2022-12-05 CN CN202223261991.8U patent/CN218542800U/en active Active
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