Novel hydraulic drive oil filtering device

Abstract

The utility model relates to the technical field of oil filtering devices, and discloses a novel hydraulic drive oil filtering device which comprises a filter, grooves are formed in the two ends of the center of the filter respectively, and a rotating cavity is formed between the two grooves. A filtering cavity is arranged above the groove, and a backflushing cavity is arranged below the groove; a filter element is arranged in the rotating cavity; a rolling groove corresponding to the position of the filter element is formed in the inner side wall of the filter; the outer edge of the filter element is arranged in the rolling groove; the filter element is provided with two symmetrically arranged through holes, and a plurality of filter screens are arranged in the through holes; a first oil inlet pipeline and a first oil outlet pipeline are respectively arranged at two ends of the filtering cavity; the two ends of the backflushing cavity are connected with the cleaning oil tank through a second oil inlet pipeline and a second oil outlet pipeline respectively, and the second oil outlet pipeline is connected with a second oil pump. Hydraulic oil of a hydraulic system is pumped out, filtered through the filter and then input into the hydraulic system, the hydraulic oil is filtered in real time, a filter element of the filter can be cleaned, and the service life of the filter is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of oil filter devices, in particular to a novel hydraulically driven oil filter device. Background Art

[0002] The function of the hydraulic system is to increase the force by changing the pressure. A complete hydraulic system consists of five parts, namely power elements, actuators, control elements, auxiliary elements (accessories) and hydraulic oil. Hydraulic systems can be divided into two categories, hydraulic transmission systems and hydraulic control systems. The main function of hydraulic transmission systems is to transmit power and motion. The hydraulic control system must ensure that the output of the hydraulic system meets specific performance requirements (especially dynamic performance). The hydraulic system usually refers to the hydraulic transmission system. In the hydraulic system, hydraulic transmission needs to transmit fluid, but in the operation of the hydraulic system, the repeated use of the fluid will inevitably be mixed with some debris. The quality of the fluid affects the valve block, seals, etc. of the hydraulic system, thereby affecting the use effect of the hydraulic system. Therefore, the inventor designed a new hydraulic drive oil filter device to implement real-time filtration of impurities in the fluid. Utility Model Content

[0003] In view of this, the purpose of the present invention is to provide a novel hydraulically driven oil filter device to solve the problems mentioned in the above background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts such a technical solution: a novel hydraulically driven oil filter device, comprising a filter, the filter being a cylindrical structure, with grooves provided at both ends of the center, a rotating chamber being formed between the two grooves; a filter chamber being provided above the groove, and a backwash chamber being provided below the groove; the rotating chamber being connected to the filter chamber and the backwash chamber; a filter element being provided in the rotating chamber, a rotating shaft being fixed at the center of the filter element, the rotating shaft being rotatably connected to the two side walls of the rotating chamber, and the rotating shaft being connected to an electric motor fixed at the bottom of the groove. The filter is connected to the machine; the inner wall of the filter is provided with a rolling groove corresponding to the position of the filter element; the outer edge of the filter element is arranged in the rolling groove and is rotatably connected to the rolling groove; the filter element has two symmetrically arranged through holes, and a plurality of filter screens are arranged in the through holes; the side wall of the rotating cavity is provided with a slide groove, and the filter element is provided with a slip ring slidably connected to the slide groove; the two ends of the filter cavity are respectively provided with a first oil inlet pipeline and a first oil outlet pipeline; the two ends of the backflush cavity are respectively connected to the cleaning oil tank through a second oil inlet pipeline and a second oil outlet pipeline, and the second oil outlet pipeline is connected to a second oil pump.

[0005] Furthermore, there are three filter screens, namely a coarse filter screen, a medium filter screen and a fine filter screen.

[0006] Furthermore, a socket is provided on the top of the cleaning oil tank, and a slot corresponding to the position of the socket is provided on the inner bottom and side wall thereof, a sealing gasket is provided on the bottom and side wall of the slot, and a filter plate is inserted into the slot and the socket.

[0007] Furthermore, the filter plate is configured as a multi-layer filter plate structure, and each layer of the filter plate is provided with a plurality of mesh holes.

[0008] Furthermore, the top of the filter plate has a top plate, and a handle is provided on the surface of the top plate.

[0009] Furthermore, sealing sheets are provided on both side outer surfaces of the filter core, and the sealing sheets are in contact with the inner sidewall of the filter.

[0010] Furthermore, the through hole is a fan-shaped structure.

[0011] Furthermore, the first oil inlet pipeline and the first oil outlet pipeline are respectively connected to an oil storage chamber for storing hydraulic oil inside the hydraulic system, and the first oil inlet pipeline is connected to a first oil pump.

[0012] Beneficial effects

[0013] Compared with the prior art, the present invention has at least the following advantages: the first oil pump draws hydraulic oil from the hydraulic system's oil storage chamber into the filter chamber, where it is filtered by the three filter screens of the filter element before re-entering the oil storage chamber; after a period of operation, the filter screen gradually becomes clogged and needs to be cleaned, the motor is started, the filter element is flipped 180 degrees, the clogged filter screen is placed in the backflush chamber, the second oil pump is started, hydraulic oil from the cleaning tank 8 is drawn into the backflush chamber, impurities on the filter screen are backwashed out, and the impurities enter the cleaning tank along with the hydraulic oil. After the cleaning tank passes through the filter plate, the clean hydraulic oil enters the backflush chamber to flush and clean the filter screen, allowing the filter screen to resume its filtering function and wait for the next use. The filter plate is periodically removed, the top plate of the filter plate is disassembled, and the filter plate is cleaned, brushed, and knocked to clean the filter plate. Once the filter plate is cleaned and its filtering function is intact, it can be reinserted into the cleaning tank for continued use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 This is a schematic diagram of the left side structure of the filter of the utility model.

[0016] Figure 3 This is a schematic diagram of the longitudinal cross-sectional structure of the filter of the present invention.

[0017] Figure 4 This is a schematic structural diagram of the filter element of the present invention.

[0018] Figure 5 It is a schematic diagram of the longitudinal cross-sectional structure of the filter element of the present invention.

[0019] Figure 6 This is a schematic cross-sectional view of the oil tank cleaning device of the present invention.

[0020] Figure 7 This is a structural diagram of the filter plate of the utility model.

[0021] Markings in the figure: 1- hydraulic system; 2- first oil outlet pipeline; 3- first oil pump; 4- filter; 40- groove; 41- filter chamber; 42- recoil chamber; 43- rotating chamber; 44- rolling groove; 5- first oil inlet pipeline; 6- second oil outlet pipeline; 7- second oil pump; 8- oil cleaning tank; 80- slot; 81- sealing gasket; 82- filter plate; 83- mesh; 84- top plate; 85- handle; 86- socket; 9- second oil inlet pipeline; 10- slide groove; 11- motor; 12- rotating shaft; 13- filter element; 130- through hole; 132- slip ring; 133- rotating shaft mounting hole; 134- coarse filter; 135- medium filter; 136- fine filter; 14- sealing plate. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the present invention more clearly apparent, a detailed description is provided below in conjunction with the accompanying drawings and specific embodiments. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar improvements without violating the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended solely for the purpose of describing specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] See also Figure 1-Figure 7This embodiment provides a new type of hydraulically driven oil filtering device, including a filter 4, which is a cylindrical structure. A base is provided at the bottom of the filter 4 for fixing the filter 4. Grooves 40 are provided at both ends of the center of the filter 4, and a rotating chamber 43 is provided between the two grooves 40; a filter chamber 41 is provided above the groove 40, and a backwash chamber 42 is provided below the groove 40. A first oil inlet pipeline 2 and a first oil outlet pipeline 5 are provided at both ends of the filter chamber 41, respectively. The first oil inlet pipeline 2 and the first oil outlet pipeline 5 are respectively connected to the oil storage chamber for storing hydraulic oil inside the hydraulic system, and the first oil inlet pipeline 2 is connected to the first oil pump 3; the two ends of the backwash chamber 42 are connected to the two ends of the cleaning oil tank 8 through the second oil inlet pipeline 9 and the second oil outlet pipeline 6, respectively, and the second oil outlet pipeline 6 is connected to the second oil pump 7.

[0026] The rotating chamber 43 is connected to the filter chamber 41 and the backflushing chamber 42; a filter element 13 is disposed within the rotating chamber 43. A rotating shaft 12 is fixed to the center of the filter element 4, rotatably connected to the two side walls of the rotating chamber 43. The rotating shaft 12 is connected to a motor 11 fixed to the bottom of the groove. A rolling groove 44 corresponding to the position of the filter element 13 is disposed on the inner sidewall of the filter 4; the outer edge of the filter element 13 is adaptively disposed within the rolling groove 44 and rotatably connected to the rolling groove 44. The filter element 13 has two symmetrically arranged through holes 130, each of which has a fan-shaped structure. Multiple filter screens are disposed within the through holes 130 from left to right. In this embodiment, three filter screens are provided, namely, a coarse filter screen 134, a medium filter screen 135, and a fine filter screen 136, from left to right, to filter impurities of different particle sizes. A sliding groove 10 is provided on the side wall of the rotating chamber, and a sliding ring 132 is provided on the filter element 4 for sliding connection with the sliding groove.

[0027] Preferably, sealing sheets 14 made of elastic material are provided on both sides of the outer surface of the filter core 4 , and the sealing sheets 14 are in contact with the inner side wall of the filter 4 .

[0028] In the technical solution of this embodiment, the top of the cleaning oil tank 8 is provided with a socket 86, and its inner bottom and side walls are provided with slots 80 corresponding to the position of the socket 86. The bottom and side walls of the slots are provided with sealing gaskets 81. The slots 80 and the socket 86 are inserted with filter plates. The filter plates 82 are arranged in a multi-layer filter plate structure, and each filter plate is provided with multiple mesh holes 83. Specifically, the filter plate includes a U-shaped outer frame 820, and the U-shaped outer frame 820 is provided with three filter plates 821 spaced apart. From left to right, the mesh holes of the three filter plates are arranged from coarse to fine. The top of the U-shaped outer frame 820 is locked with a top plate 84 via bolts, and the surface of the top plate 84 is provided with a handle 85.

[0029] During the specific implementation process, the first oil pump draws hydraulic oil from the hydraulic system's oil storage chamber into the filter chamber. After filtering through the three filters in the filter element, it re-enters the oil storage chamber. After a period of operation, the filters gradually become clogged and need to be cleaned. The motor is started, causing the filter element to flip 180 degrees, placing the clogged filters in the backflush chamber. The filters originally in the backflush chamber are then placed in the filter chamber to continue filtering, ensuring uninterrupted filter function. The second oil pump is started, drawing hydraulic oil from the cleaning tank 8 into the backflush chamber, backwashing impurities from the filters. The impurities enter the cleaning tank along with the hydraulic oil. After filtering through the filter plate in the cleaning tank, the clean hydraulic oil enters the backflush chamber to flush and clean the filters, restoring the filter function and ready for the next use. The filter plate is periodically removed, the top plate of the filter plate is disassembled, and the filter plate is cleaned, brushed, and hammered to clean the filter plate. Once the filter function is intact, it can be reinserted into the cleaning tank for continued use.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A new hydraulically driven oil filter device, characterized in that: The invention relates to a filter comprising a cylindrical structure, wherein grooves are respectively provided at both ends of the center thereof, and a rotating chamber is formed between the two grooves; a filter chamber is provided above the groove, and a backwash chamber is provided below the groove; the rotating chamber is connected to the filter chamber and the backwash chamber; a filter element is provided in the rotating chamber, a rotating shaft is fixed at the center of the filter element, the rotating shaft is rotatably connected to the two side walls of the rotating chamber, and the rotating shaft is connected to a motor fixed to the bottom of the groove; a rolling groove is provided on the inner side wall of the filter corresponding to the position of the filter element; the outer edge of the filter element is provided in the rolling groove and is rotatably connected to the rolling groove; the filter element has two symmetrically arranged through holes, and a plurality of filter screens are provided in the through holes; a sliding groove is provided on the side wall of the rotating chamber, and the filter element is provided with a slip ring slidably connected to the sliding groove; a first oil inlet pipeline and a first oil outlet pipeline are respectively provided at both ends of the filter chamber; the two ends of the backwash chamber are connected to the cleaning oil tank through a second oil inlet pipeline and a second oil outlet pipeline, respectively, and the second oil outlet pipeline is connected to a second oil pump.

2. A novel hydraulically driven oil filter device according to claim 1, characterized in that: The filter screens are provided with three, namely a coarse filter screen, a medium filter screen and a fine filter screen.

3. A novel hydraulically driven oil filter device according to claim 1, characterized in that: The top of the cleaning oil tank is provided with a socket, and its inner bottom and side walls are provided with slots corresponding to the position of the socket. The bottom and side walls of the slots are provided with sealing gaskets, and the slots and the socket are inserted with filter plates.

4. A novel hydraulically driven oil filter device according to claim 3, characterized in that: The filter plate is configured as a multi-layer filter plate structure, and each layer of the filter plate is provided with a plurality of meshes.

5. A novel hydraulically driven oil filter device according to claim 3, characterized in that: The top of the filter plate is provided with a top plate, and a handle is provided on the surface of the top plate.

6. A novel hydraulically driven oil filter device according to claim 1, characterized in that: Sealing sheets are provided on both outer surfaces of the filter core, and the sealing sheets are in contact with the inner sidewall of the filter.

7. A novel hydraulically driven oil filter device according to claim 1, characterized in that: The through hole is a fan-shaped structure.

8. A novel hydraulically driven oil filter device according to claim 1, characterized in that: The first oil inlet pipeline and the first oil outlet pipeline are respectively connected to an oil storage chamber for storing hydraulic oil in the hydraulic system, and the first oil inlet pipeline is connected to a first oil pump.

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