Ultrahigh pressure hydraulic system

Abstract

The utility model relates to the technical field of ultrahigh-pressure hydraulic pressure, in particular to an ultrahigh-pressure hydraulic system which is characterized in that when the ultrahigh-pressure hydraulic system is used, a first filtering assembly is opened, a second filtering assembly is closed, and hydraulic oil is discharged through a second three-way pipe after being subjected to impurity filtering through the first filtering assembly through a first three-way pipe; when internal impurities of the first filtering assembly need to be filtered, the two filtering assemblies are switched, so that the second filtering assembly continues to filter hydraulic oil, meanwhile, a worker can clean the impurities of the first filtering assembly, continuous use is achieved, and the production efficiency is improved; comprising a first three-way pipe and a second three-way pipe and further comprises filtering assemblies, and the two filtering assemblies are arranged between the first three-way pipe and the second three-way pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of superhigh pressure hydraulic pressure, in particular to a superhigh pressure hydraulic system. BACKGROUND

[0002] In the hydraulic industry, pressure is often mentioned, which is an important indicator of hydraulic operation, and in hydraulic transmission, the liquid working pressure is generally higher than 31.5~35Mpa, which is called superhigh pressure. When working under superhigh pressure, the quality of hydraulic oil is required to be high due to the huge pressure.

[0003] In the prior art, a patent file with publication number CN221742946U discloses a superhigh pressure hydraulic system, which comprises an input cylinder, a coarse filter sleeve inserted into the input cylinder, a brush arranged on the surface of the coarse filter sleeve, a communication pipe installed on the surface of the input cylinder, a filter bin arranged at the other end of the communication pipe, and filter material filled in the filter bin.

[0004] It is found in the use process that the above-mentioned device needs to be operated by stopping the machine when cleaning and washing impurities, which affects the subsequent processing efficiency. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model discloses a superhigh pressure hydraulic system.

[0006] The superhigh pressure hydraulic system of the utility model comprises a first three-way pipe and a second three-way pipe, and further comprises filter assemblies, two groups of filter assemblies are arranged between the first three-way pipe and the second three-way pipe; when in use, the first group of filter assemblies is opened and the second group of filter assemblies is closed, the hydraulic oil is filtered by the first group of filter assemblies through the first three-way pipe and then discharged through the second three-way pipe, when the internal impurities of the first group of filter assemblies need to be filtered, the two groups of filter assemblies can be switched, so that the second group of filter assemblies continues to filter the hydraulic oil while the staff can clean the impurities of the first group of filter assemblies, continuous use is realized, and the production efficiency is improved.

[0007] Preferably, the filter assembly comprises a cylinder body, a sealing cover, an oil inlet pipe, an oil inlet valve, an oil outlet pipe, an oil outlet valve and a filter screen assembly, the oil inlet pipe is arranged at the input end of the cylinder body, the input end of the oil inlet pipe is communicated with a group of output ends of the first three-way pipe, the oil inlet valve is arranged on the oil inlet pipe, the sealing cover is detachably arranged at the top end of the cylinder body, the oil outlet pipe is arranged at the output end of the cylinder body, the output end of the oil outlet pipe is communicated with the input end of the second three-way pipe, the oil outlet valve is installed on the oil outlet pipe, and the filter screen assembly is detachably installed on the inner side of the cylinder body; when the first group of filter screen assemblies is used for filtering, the corresponding oil inlet valve and oil outlet valve of the first group of cylinder bodies are opened and the second group of oil inlet valves and the second group of oil outlet valves are closed, so that the convenience is improved.

[0008] Preferably, the filter screen assembly comprises a cylindrical filter screen, an oil inlet, a bottom plate, a top plate, a concave groove and a fixing rod, the bottom end of the cylindrical filter screen is provided with the bottom plate, the top end of the cylindrical filter screen is provided with the top plate, the cylindrical filter screen is provided with the oil inlet, the top end of the top plate is provided with the concave groove, and the fixing rod is arranged in the concave groove; the cylindrical filter screen is arranged in the cylinder body, the oil inlet is coincided with the output end of the oil inlet pipe, the hydraulic oil enters the cylindrical filter screen through the oil inlet, impurities are retained in the cylindrical filter screen, and the filtered hydraulic oil flows to the second three-way pipe through the oil outlet pipe, when the impurities in the cylindrical filter screen need to be cleaned, the sealing cover is opened, and the cylindrical filter screen is taken out through the fixing rod, so that the convenience of replacement is improved.

[0009] Preferably, the cylinder body is internally provided with a plurality of positioning grooves, and the outer wall of the top plate is provided with a plurality of positioning blocks which are matched with the positioning grooves.

[0010] Preferably, the cylinder body is internally provided with a plurality of positioning grooves, and the outer wall of the top plate is provided with a plurality of positioning blocks which are matched with the positioning grooves.

[0011] Preferably, the top end of the sealing cover is provided with a handle, and the sealing cover is taken and placed by the handle, so that the convenience is improved.

[0012] Preferably, the top end of the positioning groove is provided with a chamfered portion, and the positioning block is quickly slid into the positioning groove under the cooperation of the chamfered portion, so that the installation efficiency is improved.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the first group of filter assemblies is opened and the second group of filter assemblies is closed, the hydraulic oil is filtered through the first group of filter assemblies through the first three-way pipe and is discharged through the second three-way pipe, when the internal impurities of the first group of filter assemblies need to be filtered, the two groups of filter assemblies are switched, so that the second group of filter assemblies continues to filter the hydraulic oil while the staff can clean the impurities of the first group of filter assemblies, continuous use is realized, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the isometric structure schematic view of the utility model;

[0015] Figure 2 is the explosion structure schematic view of the utility model;

[0016] Figure 3 is Figure 2 is the partial enlarged structure schematic view of A part in the utility model;

[0017] Figure 4is the enlarged structure diagram of the sealing cover and the handle structure;

[0018] Figure 5 is the enlarged structure diagram of the cylindrical filter screen and the bottom plate structure.

[0019] Marked in the drawing: 1, No. 1 three-way pipe; 2, No. 2 three-way pipe; 3, cylinder; 4, sealing cover; 5, oil inlet pipe; 6, oil inlet valve; 7, oil outlet pipe; 8, oil outlet valve; 9, cylindrical filter screen; 10, oil inlet; 11, bottom plate; 12, top plate; 13, concave groove; 14, fixed rod; 15, positioning notch; 16, positioning block; 17, annular sealing gasket; 18, handle. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] Embodiment 1

[0022] As shown in Figure 1 and Figure 2 , a superhigh pressure hydraulic system of the present application comprises a No. 1 three-way pipe 1 and a No. 2 three-way pipe 2, and further comprises two groups of filter assemblies arranged between the No. 1 three-way pipe 1 and the No. 2 three-way pipe 2;

[0023] As shown in Figure 1 and Figure 2 , the filter assembly comprises a cylinder 3, a sealing cover 4, an oil inlet pipe 5, an oil inlet valve 6, an oil outlet pipe 7, an oil outlet valve 8 and a filter screen assembly, the cylinder 3 is provided with the oil inlet pipe 5 at the input end, the input end of the oil inlet pipe 5 is communicated with one group of output ends of the No. 1 three-way pipe 1, the oil inlet valve 6 is arranged on the oil inlet pipe 5, the cylinder 3 is detachably provided with the sealing cover 4 at the top end, the cylinder 3 is provided with the oil outlet pipe 7 at the output end, the output end of the oil outlet pipe 7 is communicated with the input end of the No. 2 three-way pipe 2, the oil outlet valve 8 is installed on the oil outlet pipe 7, and the filter cylinder assembly is detachably installed on the inner side of the cylinder 3;

[0024] As shown in Figures 2 to 5 , the filter assembly comprises a cylinder 3, a sealing cover 4, an oil inlet pipe 5, an oil inlet valve 6, an oil outlet pipe 7, an oil outlet valve 8 and a filter screen assembly, the cylinder 3 is provided with the oil inlet pipe 5 at the input end, the input end of the oil inlet pipe 5 is communicated with one group of output ends of the No. 1 three-way pipe 1, the oil inlet valve 6 is arranged on the oil inlet pipe 5, the cylinder 3 is detachably provided with the sealing cover 4 at the top end, the cylinder 3 is provided with the oil outlet pipe 7 at the output end, the output end of the oil outlet pipe 7 is communicated with the input end of the No. 2 three-way pipe 2, the oil outlet valve 8 is installed on the oil outlet pipe 7, and the filter cylinder assembly is detachably installed on the inner side of the cylinder 3.

[0025] In this embodiment, when the first group of filter cartridge assemblies is used for filtering, the corresponding oil inlet valve 6 and oil outlet valve 8 of the first group of cylinder bodies 3 are opened, and the second group of oil inlet valve 6 and the second group of oil outlet valve 8 are closed, the cylindrical filter screen 9 is placed inside the cylinder body 3, the oil inlet 10 coincides with the output end of the oil inlet pipe 5, the hydraulic oil enters the inside of the cylindrical filter screen 9 through the oil inlet 10, the impurities stay inside the cylindrical filter screen 9, and the filtered hydraulic oil flows to the second three-way pipe 2 through the oil outlet pipe 7, when it is necessary to clean the impurities inside the cylindrical filter screen 9, the sealing cover 4 is opened, and the cylindrical filter screen 9 is lifted and taken out through the fixing rod 14.

[0026] Embodiment 2

[0027] As shown in Figure 1 and Figure 2 , the utility model relates to a kind of superhigh pressure hydraulic systems, including first three-way pipe 1 and second three-way pipe 2, further include filter assembly, and the first three-way pipe 1 and second three-way pipe 2 between being provided with two groups of filter assembly;

[0028] As shown in Figure 1 and Figure 2 , filter assembly includes cylinder body 3, sealing cover 4, oil inlet pipe 5, oil inlet valve 6, oil outlet pipe 7, oil outlet valve 8 and filter screen assembly, the input end of the cylinder body 3 is provided with oil inlet pipe 5, and the input end of oil inlet pipe 5 is communicated with the output end of a group of first three-way pipe 1, and oil inlet valve 6 is provided on oil inlet pipe 5, the top end of the cylinder body 3 is detachably provided with sealing cover 4, the output end of the cylinder body 3 is provided with oil outlet pipe 7, and the output end of oil outlet pipe 7 is communicated with the input end of second three-way pipe 2, and oil outlet valve 8 is installed on oil outlet pipe 7, and filter cartridge assembly is detachably installed on the inside of the cylinder body 3;

[0029] As shown in Figures 2 to 5 , filter assembly includes cylinder body 3, sealing cover 4, oil inlet pipe 5, oil inlet valve 6, oil outlet pipe 7, oil outlet valve 8 and filter screen assembly, the input end of the cylinder body 3 is provided with oil inlet pipe 5, and the input end of oil inlet pipe 5 is communicated with the output end of a group of first three-way pipe 1, and oil inlet valve 6 is provided on oil inlet pipe 5, the top end of the cylinder body 3 is detachably provided with sealing cover 4, the output end of the cylinder body 3 is provided with oil outlet pipe 7, and the output end of oil outlet pipe 7 is communicated with the input end of second three-way pipe 2, and oil outlet valve 8 is installed on oil outlet pipe 7, and filter cartridge assembly is detachably installed on the inside of the cylinder body 3;

[0030] As shown in Figure 2 and Figure 3 , further include positioning notch 15 and positioning block 16, and the inside of the cylinder body 3 is provided with a group of positioning notch 15, and the outside wall of the top plate 12 is provided with a group of positioning block 16, and positioning notch 15 is matched with positioning block 16;

[0031] Also included are the annular sealing gasket 17 and the handle 18, the top end of the barrel 3 is provided with the annular sealing gasket 17, and the top end of the sealing cover 4 is provided with the handle 18.

[0032] In this embodiment, when the cylindrical filter screen 9 is inserted into the barrel 3, the positioning block 16 is positioned in the positioning notch 15, when the first set of filter cartridge assemblies is used for filtering, the corresponding oil inlet valve 6 and oil outlet valve 8 of the first set of barrels 3 are opened, and the second set of oil inlet valves 6 and the second set of oil outlet valves 8 are closed, the cylindrical filter screen 9 is placed in the barrel 3, the oil inlet 10 coincides with the output end of the oil inlet pipe 5, the hydraulic oil enters the inside of the cylindrical filter screen 9 through the oil inlet 10, the impurities stay in the inside of the cylindrical filter screen 9, and the filtered hydraulic oil flows to the No. 2 three-way pipe 2 through the oil outlet pipe 7, when it is necessary to clean the impurities in the inside of the cylindrical filter screen 9, the sealing cover 4 is opened, and the cylindrical filter screen 9 is lifted and taken out through the fixed rod 14.

[0033] The cylindrical filter screen 9 of the ultrahigh-pressure hydraulic system of the utility model is purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay creative labor.

[0034] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. An ultra-high pressure hydraulic system, comprising a No. 1 tee pipe (1) and a No. 2 tee pipe (2), characterized in that, It also includes a filter assembly, with two sets of filter assemblies provided between the No. 1 tee pipe (1) and the No. 2 tee pipe (2); The filter assembly includes a cylinder (3), a sealing cap (4), an oil inlet pipe (5), an oil inlet valve (6), an oil outlet pipe (7), an oil outlet valve (8), and a filter screen assembly. The cylinder (3) is provided with an oil inlet pipe (5) at its input end, which is connected to a set of output ends of a No. 1 three-way pipe (1). An oil inlet valve (6) is provided on the oil inlet pipe (5). The top of the cylinder (3) is detachably provided with a sealing cap (4). The cylinder (3) is provided with an oil outlet pipe (7) at its output end, which is connected to the input end of a No. 2 three-way pipe (2). An oil outlet valve (8) is installed on the oil outlet pipe (7). A filter cylinder assembly is detachably installed on the inside of the cylinder (3). The filter assembly includes a cylindrical filter (9), an oil inlet (10), a bottom plate (11), a top plate (12), a concave groove (13), and a fixing rod (14). The bottom plate (11) is provided at the bottom of the cylindrical filter (9), and the top plate (12) is provided at the top of the cylindrical filter (9). The oil inlet (10) is provided on the cylindrical filter (9), and the concave groove (13) is provided at the top of the top plate (12). The fixing rod (14) is installed inside the concave groove (13).

2. The ultra-high pressure hydraulic system according to claim 1, characterized in that, It also includes a positioning slot (15) and a positioning block (16). A set of positioning slots (15) is provided inside the cylinder (3), and a set of positioning blocks (16) is provided on the outer wall of the top plate (12). The positioning slots (15) and the positioning blocks (16) are adapted to each other.

3. The ultra-high pressure hydraulic system according to claim 1, characterized in that, It also includes an annular sealing gasket (17), which is provided at the top of the cylinder (3).

4. The ultra-high pressure hydraulic system according to claim 1, characterized in that, It also includes a handle (18), which is provided at the top of the sealing cover (4).

5. The ultra-high pressure hydraulic system according to claim 2, characterized in that, The top of the positioning slot (15) is provided with a chamfer.

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