CN211573920U - Multifunctional hydraulic test platform - Google Patents

Multifunctional hydraulic test platform Download PDF

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Publication number
CN211573920U
CN211573920U CN201922409472.3U CN201922409472U CN211573920U CN 211573920 U CN211573920 U CN 211573920U CN 201922409472 U CN201922409472 U CN 201922409472U CN 211573920 U CN211573920 U CN 211573920U
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valve
oil
electromagnetic valve
pressure gauge
overflow
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王旭
王晓东
刘斌
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Wuhan Chengtian Hydraulic Mechanical And Electrical Equipment Co ltd
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Wuhan Chengtian Hydraulic Mechanical And Electrical Equipment Co ltd
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Abstract

The utility model relates to a multi-functional hydraulic test platform, including pump station and control cabinet, be equipped with ordinary pressure hydraulic system and high-pressure hydraulic system in the pump station, be equipped with control panel on the control cabinet, ordinary pressure hydraulic system with high-pressure hydraulic system with control panel connects. The utility model is convenient for transportation and installation; the pump station adopts a scheme of separately designing normal pressure and high pressure, and the main purpose of the division is to separately design the normal pressure, namely the whole test bed shares one control platform; through this practicality careful can carry out valves experiment, hydro-cylinder test, hard tube assembly test and independent system test, it has multi-functional, advantage that the practicality is strong.

Description

Multifunctional hydraulic test platform
Technical Field
The utility model relates to a hydraulic pressure field, concretely relates to multi-functional hydraulic test platform.
Background
The hydraulic test platform is a hydraulic test platform and can be used for testing various hydraulic elements. With the continuous construction and development of society in recent years, the application of hydraulic engineering machinery occupies a large proportion in construction equipment of construction projects, tunnels, subways, highways and the like. In order to check whether the hydraulic principle design of the valve group is correct, whether functions and parameters meet customer requirements and whether the quality of products is qualified, a simple hydraulic test bed needs to be designed urgently to detect the reversing, overflowing capacity, combined action and functions, overflow, faults and safety protection of the valve group, pressure maintaining and resisting capacity of pipelines, material and forging quality of valve blocks and the like. At present, most of domestic hydraulic test devices are used for detecting the performance of hydraulic elements, and a few of multifunctional hydraulic test devices for a hydraulic system also have single test functions and are not strong in practicability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a multi-functional hydraulic test platform is provided, can carry out valves experiment, hydro-cylinder is experimental, hard tube assembly is experimental and independent system is experimental, and it has multi-functional, advantage that the practicality is strong.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a multi-functional hydraulic test platform, includes pump station and control cabinet, be equipped with ordinary pressure hydraulic system and high-pressure hydraulic system in the pump station, be equipped with control panel on the control cabinet, ordinary pressure hydraulic system with high-pressure hydraulic system with control panel connects.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the normal-pressure hydraulic system comprises a first motor, a second motor, a first oil pump, a second oil pump, a first check valve, a second check valve, a third check valve, a fourth check valve, a fifth check valve, a sixth check valve, a first overflow valve, a second overflow valve, a third overflow valve, a fourth overflow valve, a fifth overflow valve, a sixth overflow valve, a first sequence valve, a second sequence valve, a third sequence valve, a first electromagnetic valve, a first filter, a second filter, a third filter, a cooler, a speed regulating valve and an oil tank; the first motor is coupled with the first oil pump and used for driving the first oil pump to operate; an oil inlet of the first oil pump is communicated to the oil tank through the first filter, and an oil outlet of the first oil pump is connected to an oil inlet of the first electromagnetic valve through the first one-way valve, the third filter and the fourth overflow valve which are sequentially connected in series); the third one-way valve is connected in parallel with the third filter; the second motor is coupled with the second oil pump and used for driving the second oil pump to operate; an oil inlet of the second oil pump is communicated to the oil tank through the second filter, and an oil outlet of the second oil pump is connected to an oil inlet of the first electromagnetic valve through the second one-way valve, the third filter and the fourth overflow valve which are sequentially connected in series; the fourth overflow valve is also communicated to the oil tank; an oil return port of the first electromagnetic valve is communicated to the oil tank through the cooler, and the sixth one-way valve is connected with the cooler in parallel; the first overflow valve is connected between an oil inlet and an oil return port of the first electromagnetic valve, the speed regulating valve is connected with the first overflow valve in parallel, and the first overflow valve is communicated to the oil tank through the second overflow valve; an oil return port of the first electromagnetic valve is also connected with an oil outlet of the fifth overflow valve, and an oil inlet of the fifth overflow valve is connected with an oil outlet of the fifth overflow valve through the third sequence valve; the fifth overflow valve is communicated to the oil tank through the sixth overflow valve; one oil outlet of the first electromagnetic valve is communicated to the oil tank through the fourth one-way valve and the second sequence valve which are sequentially connected in series, the other oil outlet of the first electromagnetic valve is communicated to the oil tank through the fifth one-way valve and the second sequence valve which are sequentially connected in series, one port of the first sequence valve is communicated to the oil tank through the third overflow valve, and the other port of the first sequence valve is communicated to the oil tank through the second overflow valve.
Further, the normal-pressure hydraulic system also comprises a flow meter, a first pressure meter, a second pressure meter, a third pressure meter and a fourth pressure meter; the flow meter is connected between an oil return port of the first electromagnetic valve and an oil outlet of the first overflow valve; the first pressure gauge is connected with an oil inlet of the second overflow valve, the second pressure gauge is connected with an oil inlet of the fourth one-way valve, the third pressure gauge) is connected with an oil inlet of the fifth one-way valve, and the fourth pressure gauge is connected with an oil inlet of the fifth overflow valve.
Further, the speed regulating valve, the flowmeter, the first pressure gauge, the second pressure gauge, the third pressure gauge and the fourth pressure gauge are embedded on the control panel.
Further, a first motor start-stop button and a second motor start-stop button which are respectively used for controlling the start and stop of the first motor and the second motor are arranged on the control panel; and a first electromagnetic valve control button for controlling the first electromagnetic valve is arranged on the control panel.
Further, the first oil pump and the second oil pump are gear pumps; the first electromagnetic valve is a three-position four-way electromagnetic reversing valve; the power of the first motor and the power of the second motor are both 15 KW.
Further, the high-pressure hydraulic system comprises a third motor, a third oil pump, a seventh one-way valve, a seventh overflow valve, an eighth overflow valve, a second electromagnetic valve, a third electromagnetic valve, a fourth filter and an oil tank; the third motor is coupled with the third oil pump and is used for driving the third oil pump to operate; an oil inlet of the third oil pump is communicated to the oil tank through the fourth filter, an oil outlet of the third oil pump is respectively connected with an oil inlet of the third electromagnetic valve and an oil inlet of the fourth electromagnetic valve through the seventh one-way valve, an oil return port of the third electromagnetic valve and an oil return port of the fourth electromagnetic valve are both communicated to the oil tank, the oil return port of the third electromagnetic valve is also connected with an oil inlet of the third electromagnetic valve through the second electromagnetic valve, an oil return port of the fourth electromagnetic valve is also connected with an oil inlet of the fourth electromagnetic valve through the second electromagnetic valve, the oil inlet of the third electromagnetic valve and the oil inlet of the fourth electromagnetic valve are both communicated to the oil tank through the eighth overflow valve, and the seventh overflow valve is connected with the second electromagnetic valve in parallel.
Further, the high-pressure hydraulic system further comprises a fifth pressure gauge, a sixth pressure gauge and a seventh pressure gauge; the fifth pressure gauge is connected with an oil inlet of the eighth overflow valve, the sixth pressure gauge is connected with an oil outlet of the third electromagnetic valve, and the seventh pressure gauge is connected with an oil outlet of the fourth electromagnetic valve.
Further, the fifth pressure gauge, the sixth pressure gauge and the seventh pressure gauge are embedded on the control panel, a third motor start-stop button used for controlling the start-stop of the third motor is arranged on the control panel, and a second electromagnetic valve control button, a third electromagnetic valve control button and a fourth electromagnetic valve control button used for respectively controlling the corresponding of the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are arranged on the control panel.
Further, the third oil pump is specifically a radial plug pump; the second electromagnetic valve is a two-position two-way electromagnetic valve, and the third electromagnetic valve and the fourth electromagnetic valve are three-position three-way electromagnetic valves; the power of the third motor is 3 KW.
The utility model has the advantages that: the utility model relates to a multifunctional hydraulic test platform, which comprises a pump station and a control console, and is convenient for transportation and installation; the pump station adopts a scheme of separately designing normal pressure and high pressure, and the main purpose of the division is to separately design the normal pressure, namely the whole test bed shares one control console, the pump station is divided into two systems, namely a normal pressure system and a high pressure system, and the normal pressure system can meet most test requirements; the normal-pressure hydraulic system is composed of an oil path driven by a first motor and a second motor, the start and stop of the first motor and the second motor are controlled according to different gears of the speed regulating valve in the oil path of the normal-pressure hydraulic system, so that the running states of the first oil pump and the second oil pump are controlled, and the running states of the first motor or/and the second motor are not influenced by changing the gears of the speed regulating valve under the condition that the first oil pump or/and the second oil pump are started; the high pressure is formed by an oil way driven by a third motor; through this practicality careful can carry out valves experiment, hydro-cylinder test, hard tube assembly test and independent system test, it has multi-functional, advantage that the practicality is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of a multifunctional hydraulic test platform of the present invention;
fig. 2 is a schematic structural diagram of a normal pressure hydraulic system in the multifunctional hydraulic test platform of the present invention;
fig. 3 is the utility model relates to a high-pressure hydraulic system's among multi-functional hydraulic test platform structural schematic.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a pump station 200, a control console 300, a sample platform 1.1, a first motor 1.2, a second motor 1.3, a third motor 2.1, a first oil pump 2.2, a second oil pump 2.3, a third pump station 3.1, a first check valve 3.2, a second check valve 3.3, a third check valve 3.4, a fourth check valve 3.5, a fifth check valve 3.6, a sixth check valve 3.7, a seventh check valve 4.1, a first overflow valve 4.2, a second overflow valve 4.3, a third overflow valve 4.4, a fourth overflow valve 4.5, a fifth overflow valve 4.6, a sixth overflow valve 4.7, a seventh overflow valve 4.8, an eighth overflow valve 5.1, a first sequence valve 5.2, a second sequence valve 5.3, a third sequence valve 6.1, a first sequence valve 6.2, a second sequence valve 6, a third sequence valve 6.7, a second overflow valve, a third electromagnetic valve 7, a second electromagnetic valve, a third electromagnetic valve, a filter 7, a third electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a filter, a third electromagnetic valve, a fourth electromagnetic valve, a filter, a, 7.4, fourth filter, 8, cooler, 9, speed regulating valve, 10, oil tank, 11, flowmeter, 12.1, first pressure gauge, 12.2, second pressure gauge, 12.3, third pressure gauge, 12.4 fourth pressure gauge, 12.5 fifth pressure gauge, 12.6 sixth pressure gauge, 12.7 seventh pressure gauge.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the multifunctional hydraulic test platform comprises a pump station 100 and a console 200, wherein a normal pressure hydraulic system and a high pressure hydraulic system are arranged in the pump station 100, the console 200 is provided with a control panel, and the normal pressure hydraulic system and the high pressure hydraulic system are connected with the control panel. The utility model relates to a multi-functional hydraulic test platform is still including the sample platform 300 that is used for bearing the weight of the sample.
In this particular embodiment:
as shown in fig. 2, the normal pressure hydraulic system includes a first motor 1.1, a second motor 1.2, a first oil pump 2.1, a second oil pump 2.2, a first check valve 3.1, a second check valve 3.2, a third check valve 3.3, a fourth check valve 3.4, a fifth check valve 3.5, a sixth check valve 3.6, a first overflow valve 4.1, a second overflow valve 4.2, a third overflow valve 4.3, a fourth overflow valve 4.4, a fifth overflow valve 4.5, a sixth overflow valve 4.6, a first sequence valve 5.1, a second sequence valve 5.2, a third sequence valve 5.3, a first electromagnetic valve 6.1, a first filter 7.1, a second filter 7.2, a third filter 7.3, a cooler 8, a speed regulating valve 9 and an oil tank 10; the first motor 1.1 is coupled with the first oil pump 2.1 and is used for driving the first oil pump 2.1 to operate; an oil inlet of the first oil pump 2.1 is communicated to the oil tank 10 through the first filter 7.1, and an oil outlet of the first oil pump 2.1 is connected to an oil inlet of the first electromagnetic valve 6.1 through the first one-way valve 3.1, the third filter 7.3 and the fourth overflow valve 4.4 which are sequentially connected in series; the third non return valve 3.3 is connected in parallel with the third filter 7.3; the second motor 1.2 is coupled with the second oil pump 2.2 and is used for driving the second oil pump 2.2 to operate; an oil inlet of the second oil pump 2.2 is communicated to the oil tank 10 through the second filter 7.2, and an oil outlet of the second oil pump 2.2 is connected to an oil inlet of the first electromagnetic valve 6.1 through the second one-way valve 3.2, the third filter 7.3 and the fourth overflow valve 4.4 which are sequentially connected in series; the fourth overflow valve 4.4 is also communicated to the oil tank 10; an oil return port of the first electromagnetic valve 6.1 is communicated to the oil tank 10 through the cooler 8, and the sixth one-way valve 3.6 is connected with the cooler 8 in parallel; the first overflow valve 4.1 is also connected between the oil inlet and the oil return port of the first electromagnetic valve 6.1, the speed regulating valve 9 is connected with the first overflow valve 4.1 in parallel, and the first overflow valve 4.1 is also communicated to the oil tank 10 through the second overflow valve 4.2; the oil return port of the first electromagnetic valve 6.1 is also connected with the oil outlet of the fifth overflow valve 4.5, and the oil inlet of the fifth overflow valve 4.5 is connected with the oil outlet of the fifth overflow valve 4.5 through the third sequence valve 5.3; the fifth overflow valve 4.5 is also communicated to the oil tank 10 through the sixth overflow valve 4.6; one oil outlet of the first electromagnetic valve 6.1 is communicated to the oil tank 10 through the fourth one-way valve 3.4 and the second sequence valve 5.2 which are sequentially connected in series, the other oil outlet of the first electromagnetic valve 6.1 is communicated to the oil tank 10 through the fifth one-way valve 3.5 and the second sequence valve 5.2 which are sequentially connected in series, one port of the first sequence valve 5.1 is communicated to the oil tank 10 through the third overflow valve 4.3, and the other port of the first sequence valve 5.1 is communicated to the oil tank 10 through the second overflow valve 4.2.
The normal-pressure hydraulic system also comprises a flow meter 11, a first pressure gauge 12.1, a second pressure gauge 12.2, a third pressure gauge 12.3 and a fourth pressure gauge 12.4; the flowmeter 11 is connected between an oil return port of the first electromagnetic valve 6.1 and an oil outlet of the first overflow valve 4.1; the first pressure gauge 12.1 is connected with an oil inlet of the second overflow valve 4.2, the second pressure gauge 12.2 is connected with an oil inlet of the fourth check valve 3.4, the third pressure gauge 12.3 is connected with an oil inlet of the fifth check valve 3.5, and the fourth pressure gauge 12.4 is connected with an oil inlet of the fifth overflow valve 4.5.
The speed regulating valve 9, the flowmeter 11, the first pressure gauge 12.1, the second pressure gauge 12.2, the third pressure gauge 12.3 and the fourth pressure gauge 12.4 are inlaid on the control panel.
A first motor start-stop button and a second motor start-stop button which are respectively used for controlling the start and stop of the first motor 1.1 and the second motor 1.2 are arranged on the control panel; and a first electromagnetic valve control button for controlling the first electromagnetic valve 6.1 is arranged on the control panel.
The first oil pump 2.1 and the second oil pump 2.2 are both gear pumps; the first electromagnetic valve 6.1 is a three-position four-way electromagnetic reversing valve; the power of the first motor 1.1 and the second motor 1.2 are both 15 KW.
As shown in fig. 3, the high-pressure hydraulic system includes a third motor 1.3, a third oil pump 2.3, a seventh check valve 3.7, a seventh overflow valve 4.7, an eighth overflow valve 4.8, a second electromagnetic valve 6.2, a third electromagnetic valve 6.3, a fourth electromagnetic valve 6.4, a fourth filter 7.4, and an oil tank 10; the third motor 1.3 is coupled with the third oil pump 2.3 and is used for driving the third oil pump 2.3 to operate; an oil inlet of the third oil pump 2.3 is communicated to the oil tank 10 through the fourth filter 7.4, an oil outlet of the third oil pump 2.3 is respectively connected with an oil inlet of the third electromagnetic valve 6.3 and an oil inlet of the fourth electromagnetic valve 6.4 through the seventh one-way valve 3.7, the oil return port of the third electromagnetic valve 6.3 and the oil return port of the fourth electromagnetic valve 6.4 are communicated to the oil tank 10, the oil return port of the third electromagnetic valve 6.3 is also connected with the oil inlet of the third electromagnetic valve 6.3 through the second electromagnetic valve 6.2, the oil return port of the fourth electromagnetic valve 6.4 is also connected with the oil inlet of the fourth electromagnetic valve 6.4 through the second electromagnetic valve 6.2, the oil inlet of the third electromagnetic valve 6.3 and the oil inlet of the fourth electromagnetic valve 6.4 are communicated to the oil tank 10 through the eighth overflow valve 4.8, and the seventh overflow valve 4.7 is connected in parallel with the second electromagnetic valve 6.2.
The high-pressure hydraulic system further comprises a fifth pressure gauge 12.5, a sixth pressure gauge 12.6 and a seventh pressure gauge 12.7; the fifth pressure gauge 12.5 is connected with an oil inlet of the eighth overflow valve 4.8, the sixth pressure gauge 12.6 is connected with an oil outlet of the third electromagnetic valve 6.3, and the seventh pressure gauge 12.7 is connected with an oil outlet of the fourth electromagnetic valve 6.4.
Fifth pressure gauge 12.5 sixth pressure gauge 12.6 with seventh pressure gauge 12.7 inlays on control panel, control panel is last to be equipped with and to be used for control the third motor that third motor 1.3 opened and stops the button, control panel is last to be equipped with and to be used for corresponding control respectively second solenoid valve 6.2 third solenoid valve 6.3 with the second solenoid valve control button, third solenoid valve control button and fourth solenoid valve control button of fourth solenoid valve 6.4.
The third oil pump 2.3 is embodied as a radial plug pump; the second electromagnetic valve 6.2 is a two-position two-way electromagnetic valve, and the third electromagnetic valve 6.3 and the fourth electromagnetic valve 6.4 are three-position three-way electromagnetic valves; the power of the third motor 1.3 is 3 KW.
The utility model relates to a multifunctional hydraulic test platform, which comprises a pump station and a control console, and is convenient for transportation and installation; the pump station adopts a scheme of separately designing normal pressure and high pressure, the main purpose of the division is to separately design the normal pressure (the pressure is less than or equal to 30Mpa) and the high pressure (the pressure is more than 30Mpa and less than or equal to 50Mpa), namely the whole test bed shares one control console, the pump station is divided into two systems, namely a normal pressure system and a high pressure system, and the normal pressure system can meet most test requirements; the normal-pressure hydraulic system is composed of an oil path driven by a first motor and a second motor, the start and stop of the first motor and the second motor are controlled according to different gears of the speed regulating valve in the oil path of the normal-pressure hydraulic system, so that the running states of the first oil pump and the second oil pump are controlled, and the running states of the first motor or/and the second motor are not influenced by changing the gears of the speed regulating valve under the condition that the first oil pump or/and the second oil pump are started; the high pressure is formed by an oil way driven by a third motor; by means of the valve group testing device, valve group tests (such as pressure maintaining tests, namely pressure resistance of the valve group is tested, whether leakage points exist, functional tests, namely whether the valve group can realize expected actions, flow tests, namely whether the valve group can normally work under the maximum and constant flow rate, whether system pressure drop is normal, oil cylinder tests (rotary oil cylinder or telescopic oil cylinder tests, for example, starting tests, namely the lowest pressure for starting the oil cylinder is tested, pressure maintaining tests, namely pressure maintaining tests are carried out according to the pressure which is 1.5 times of the maximum rated pressure, leakage tests, namely internal leakage and external leakage of the oil cylinder are tested, stroke tests, namely the length of the full stroke of the oil cylinder is measured), hard pipe assembly tests (such as pressure resisting tests, namely pressure resisting tests under the working pressure which is 1.5 times of the maximum rated pressure) and independent system tests (independent systems mainly run by means of own components, test tables mainly carry out pressure detection of the pressure measuring points, detection of flow in the loop, etc.), which has the advantages of multiple functions and strong practicality.
The utility model discloses in, for satisfying the detection requirement of general valves, the maximum flow design that we detected is 80l/min, and the maximum operating pressure 31.5MPa of ordinary system has juxtaposed one set of superhigh pressure system simultaneously, the pressure-resistant ability of main test valve piece and pipeline. Under the above premise, in order to make the system design small and exquisite without a special extra-high power supply, we have made the following considerations during design: when the through-flow capacity is tested, the low-pressure large-flow rate is mainly used, the mode of simultaneously supplying oil to the gear pump and the plunger pump is adopted, and the oil is only supplied to the plunger pump at the high pressure, so that the required power is low, and the requirements of power supply of a park and the company can be met.
With the lapse of time, more and more objects are tested, besides a common hydraulic valve bank, a pipeline explosion-proof valve, a small-sized hydraulic system, a power unit and the like are also tested, and the hydraulic wet brake controller becomes a main device for factory inspection and working condition simulation test along with the gradual increase of the capacity of the hydraulic wet brake controller.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a multi-functional hydraulic test platform which characterized in that: the hydraulic control system comprises a pump station (100) and a control console (200), wherein a normal pressure hydraulic system and a high pressure hydraulic system are arranged in the pump station (100), the control console (200) is provided with a control panel, and the normal pressure hydraulic system and the high pressure hydraulic system are connected with the control panel.
2. The multifunctional hydraulic test platform of claim 1, wherein: the normal-pressure hydraulic system comprises a first motor (1.1), a second motor (1.2), a first oil pump (2.1), a second oil pump (2.2), a first check valve (3.1), a second check valve (3.2), a third check valve (3.3), a fourth check valve (3.4), a fifth check valve (3.5), a sixth check valve (3.6), a first overflow valve (4.1), a second overflow valve (4.2), a third overflow valve (4.3), a fourth overflow valve (4.4), a fifth overflow valve (4.5), a sixth overflow valve (4.6), a first sequence valve (5.1), a second sequence valve (5.2), a third sequence valve (5.3), a first electromagnetic valve (6.1), a first filter (7.1), a second filter (7.2), a third filter (7.3), a cooler (8), a speed regulating valve (9) and an oil tank (10); the first motor (1.1) is coupled with the first oil pump (2.1) and is used for driving the first oil pump (2.1) to operate; an oil inlet of the first oil pump (2.1) is communicated to the oil tank (10) through the first filter (7.1), and an oil outlet of the first oil pump (2.1) is connected to an oil inlet of the first electromagnetic valve (6.1) through the first one-way valve (3.1), the third filter (7.3) and the fourth overflow valve (4.4) which are sequentially connected in series; the third one-way valve (3.3) is connected in parallel with the third filter (7.3); the second motor (1.2) is coupled with the second oil pump (2.2) and is used for driving the second oil pump (2.2) to operate; an oil inlet of the second oil pump (2.2) is communicated to the oil tank (10) through the second filter (7.2), and an oil outlet of the second oil pump (2.2) is connected to an oil inlet of the first electromagnetic valve (6.1) through the second one-way valve (3.2), the third filter (7.3) and the fourth overflow valve (4.4) which are sequentially connected in series; the fourth overflow valve (4.4) is also communicated to the oil tank (10); an oil return port of the first electromagnetic valve (6.1) is communicated to the oil tank (10) through the cooler (8), and the sixth one-way valve (3.6) is connected with the cooler (8) in parallel; the first overflow valve (4.1) is further connected between an oil inlet and an oil return port of the first electromagnetic valve (6.1), the speed regulating valve (9) is connected with the first overflow valve (4.1) in parallel, and the first overflow valve (4.1) is further communicated to the oil tank (10) through the second overflow valve (4.2); the oil return port of the first electromagnetic valve (6.1) is also connected with the oil outlet of the fifth overflow valve (4.5), and the oil inlet of the fifth overflow valve (4.5) is connected with the oil outlet of the fifth overflow valve (4.5) through the third sequence valve (5.3); the fifth overflow valve (4.5) is also communicated to the oil tank (10) through the sixth overflow valve (4.6); one oil outlet of the first electromagnetic valve (6.1) is communicated to the oil tank (10) through the fourth one-way valve (3.4) and the second sequence valve (5.2) which are sequentially connected in series, the other oil outlet of the first electromagnetic valve (6.1) is communicated to the oil tank (10) through the fifth one-way valve (3.5) and the second sequence valve (5.2) which are sequentially connected in series, one port of the first sequence valve (5.1) is communicated to the oil tank (10) through the third overflow valve (4.3), and the other port of the first sequence valve (5.1) is communicated to the oil tank (10) through the second overflow valve (4.2).
3. The multifunctional hydraulic test platform of claim 2, wherein: the normal-pressure hydraulic system further comprises a flow meter (11), a first pressure gauge (12.1), a second pressure gauge (12.2), a third pressure gauge (12.3) and a fourth pressure gauge (12.4); the flowmeter (11) is connected between an oil return port of the first electromagnetic valve (6.1) and an oil outlet of the first overflow valve (4.1); the first pressure gauge (12.1) is connected with an oil inlet of the second overflow valve (4.2), the second pressure gauge (12.2) is connected with an oil inlet of the fourth one-way valve (3.4), the third pressure gauge (12.3) is connected with an oil inlet of the fifth one-way valve (3.5), and the fourth pressure gauge (12.4) is connected with an oil inlet of the fifth overflow valve (4.5).
4. The multifunctional hydraulic test platform of claim 3, wherein: the speed regulating valve (9), the flowmeter (11), the first pressure gauge (12.1), the second pressure gauge (12.2), the third pressure gauge (12.3) and the fourth pressure gauge (12.4) are inlaid on the control panel.
5. The multifunctional hydraulic test platform of claim 2, wherein: a first motor start-stop button and a second motor start-stop button which are respectively used for controlling the start and stop of the first motor (1.1) and the second motor (1.2) are arranged on the control panel; and a first electromagnetic valve control button for controlling the first electromagnetic valve (6.1) is arranged on the control panel.
6. The multifunctional hydraulic test platform of claim 2, wherein: the first oil pump (2.1) and the second oil pump (2.2) are gear pumps; the first electromagnetic valve (6.1) is a three-position four-way electromagnetic reversing valve; the power of the first motor (1.1) and the power of the second motor (1.2) are both 15 KW.
7. The multifunctional hydraulic test platform of any one of claims 1 to 6, wherein: the high-pressure hydraulic system comprises a third motor (1.3), a third oil pump (2.3), a seventh one-way valve (3.7), a seventh overflow valve (4.7), an eighth overflow valve (4.8), a second electromagnetic valve (6.2), a third electromagnetic valve (6.3), a fourth electromagnetic valve (6.4), a fourth filter (7.4) and an oil tank (10); the third motor (1.3) is coupled with the third oil pump (2.3) and is used for driving the third oil pump (2.3) to operate; an oil inlet of the third oil pump (2.3) is communicated to the oil tank (10) through the fourth filter (7.4), an oil outlet of the third oil pump (2.3) is respectively connected with an oil inlet of the third electromagnetic valve (6.3) and an oil inlet of the fourth electromagnetic valve (6.4) through the seventh one-way valve (3.7), an oil return port of the third electromagnetic valve (6.3) and an oil return port of the fourth electromagnetic valve (6.4) are both communicated to the oil tank (10), an oil return port of the third electromagnetic valve (6.3) is also connected with an oil inlet of the third electromagnetic valve (6.3) through the second electromagnetic valve (6.2), an oil return port of the fourth electromagnetic valve (6.4) is also connected with an oil inlet of the fourth electromagnetic valve (6.4) through the second electromagnetic valve (6.2), an oil inlet of the third electromagnetic valve (6.3) and an oil inlet of the fourth electromagnetic valve (6.4) are both communicated to the oil tank (10) through the eighth electromagnetic valve (4.8), the seventh overflow valve (4.7) is connected with the second electromagnetic valve (6.2) in parallel.
8. The multifunctional hydraulic test platform of claim 7, wherein: the high-pressure hydraulic system further comprises a fifth pressure gauge (12.5), a sixth pressure gauge (12.6) and a seventh pressure gauge (12.7); the fifth pressure gauge (12.5) is connected with an oil inlet of the eighth overflow valve (4.8), the sixth pressure gauge (12.6) is connected with an oil outlet of the third electromagnetic valve (6.3), and the seventh pressure gauge (12.7) is connected with an oil outlet of the fourth electromagnetic valve (6.4).
9. The multifunctional hydraulic test platform of claim 8, wherein: fifth pressure gauge (12.5), sixth pressure gauge (12.6) and seventh pressure gauge (12.7) are inlayed on control panel, control panel is last to be equipped with and to be used for control third motor (1.3) opens the third motor that stops and stops the button, control panel is last to be equipped with and to be used for corresponding control respectively second solenoid valve (6.2), third solenoid valve (6.3) and the second solenoid valve control button, third solenoid valve control button and the fourth solenoid valve control button of fourth solenoid valve (6.4).
10. The multifunctional hydraulic test platform of claim 7, wherein: the third oil pump (2.3) is embodied as a radial plug pump; the second electromagnetic valve (6.2) is a two-position two-way electromagnetic valve, and the third electromagnetic valve (6.3) and the fourth electromagnetic valve (6.4) are both three-position three-way electromagnetic valves; the power of the third motor (1.3) is 3 KW.
CN201922409472.3U 2019-12-28 2019-12-28 Multifunctional hydraulic test platform Active CN211573920U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022434A (en) * 2019-12-28 2020-04-17 武汉承天液压机电设备有限公司 Mixed pressure hydraulic test platform
RU2818991C1 (en) * 2023-11-14 2024-05-08 Акционерное общество "Нижегородский завод 70-летия Победы" Underwater control module test bench

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022434A (en) * 2019-12-28 2020-04-17 武汉承天液压机电设备有限公司 Mixed pressure hydraulic test platform
CN111022434B (en) * 2019-12-28 2024-07-02 上海春齐机械设备有限公司 Mixed pressure hydraulic test platform
RU2818991C1 (en) * 2023-11-14 2024-05-08 Акционерное общество "Нижегородский завод 70-летия Победы" Underwater control module test bench

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