Oil filtering device on hydraulic pipeline
By installing staggered inlet and outlet oil holes and filter cartridges on the hydraulic pipeline, the problem of hydraulic valve blockage is solved, enabling convenient impurity filtration and equipment maintenance, and ensuring the stable operation of hydraulic equipment.
Patent Information
- Application Number
- CN202520554264.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Impurities such as weld beads in hydraulic pipelines can cause blockages in hydraulic valves, affecting the normal use and production efficiency of hydraulic equipment. Existing technologies are unable to effectively solve this problem, and equipment replacement is inconvenient.
Design an oil filtration device for hydraulic pipelines, with inlet and outlet ports staggered horizontally. The filter device body contains a filter cylinder and a DN50 ball valve. After entering the filter device through the inlet and outlet ports, impurities settle at the bottom. The filtered hydraulic oil enters the hydraulic valve platform, and the ball valve is used to clean the settled impurities.
Without affecting the original hydraulic system, it effectively filters impurities, solves the problem of hydraulic valve blockage, ensures normal equipment operation, and is easy to install and remove.
Smart Images

Figure CN223739788U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metallurgical industry equipment technical field, especially a kind of oil liquid filter device on hydraulic pipeline. BACKGROUND
[0002] Hydraulic equipment uses high frequency, and work pressure is big, in use process, welding tumor and other impurities in hydraulic pipeline can cause the blockage of hydraulic valve, seriously affect the normal use of hydraulic equipment, and further affect the labor efficiency and safety production of whole factory. How to fundamentally solve the problem of welding tumor and other impurities in hydraulic pipeline, and equipment installation and replacement are convenient has been the direction of current process technology research. CONTENT OF UTILITY MODEL
[0003] In order to overcome the above-mentioned shortcomings of prior art, the utility model provides an oil liquid filter device on hydraulic pipeline.
[0004] The utility model solves technical scheme that its technical problem adopts: an oil liquid filter device on hydraulic pipeline, including filter device body, the inside of filter device body is equipped with filter cartridge, the side of filter device body is equipped with inlet and outlet oil hole A, the other side of filter device body is equipped with inlet and outlet oil hole B, inlet and outlet oil hole A and inlet and outlet oil hole B are misaligned and set along horizontal direction, the bottom of filter device body is installed ball valve.
[0005] As a further improvement of the utility model: inlet and outlet oil hole B are connected with hydraulic pipeline B connection, and hydraulic pipeline B is connected with hydraulic valve table.
[0006] As a further improvement of the utility model: the distance of inlet and outlet oil hole A and inlet and outlet oil hole B in vertical direction is 100mm.
[0007] As a further improvement of the utility model: the ball valve is DN50 ball valve. By installing DN50 ball valve on the bottom of filter device body, impurities deposited on the bottom of filter device body can be discharged.
[0008] As a further improvement of the utility model: the bottom of filter device body is equipped with slag outlet, and the slag outlet is connected with slag pipe, and the DN50 ball valve is installed on the slag pipe.
[0009] As a further improvement of the utility model: inlet and outlet oil hole A are connected with hydraulic pipeline A.
[0010] As a further improvement of the present application: the inlet and outlet oil hole A and hydraulic pipeline A are connected through the screw joint thread connection; the inlet and outlet oil hole B and hydraulic pipeline B are connected through the screw joint thread connection. Through the screw joint thread connection between the inlet and outlet oil hole A and the hydraulic pipeline A, and the screw joint thread connection between the inlet and outlet oil hole B and the hydraulic pipeline B, the oil filter device can be replaced when damaged.
[0011] As a further improvement of the present application: the filter device body is cylindrical.
[0012] As a further improvement of the present application: the sidewall of the filter device body is made of a steel pipe, the top and bottom of the steel pipe are welded and closed by steel plates, the outer wall top and bottom of the steel pipe are provided with reinforced plates, and the steel plates are welded and fixed with the reinforced plates of the outer wall of the steel pipe.
[0013] Compared with the prior art, the present application has the following advantages:
[0014] 1. The inlet and outlet oil holes A and B of the oil filter device are arranged in a staggered manner along the horizontal direction, and the hydraulic oil enters the filter device body through the inlet and outlet oil hole A before entering the hydraulic valve table, impinges on the inner wall of the filter cartridge, and the welding bumps and other impurities in the hydraulic oil are deposited at the bottom of the filter device body, so that the purpose of filtering impurities is achieved, and the filtered hydraulic oil enters the hydraulic valve table through the inlet and outlet oil hole B; the DN50 ball valve at the bottom of the filter device body can clean the impurities deposited at the bottom of the filter device body.
[0015] 2. The oil filter device of the present application can filter the welding bumps and other impurities in the hydraulic pipeline without affecting the original hydraulic system, and completely solves the problem of hydraulic valve table blockage.
[0016] 3. The oil filter device of the present application has simple structure, convenient installation and removal, can well filter the welding bumps and other impurities in the hydraulic pipeline, and ensures the normal and stable operation of the hydraulic equipment. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 The present application is an oil filter device structure diagram.
[0018] Fig. 2 The present application is an oil filter device structure diagram.
[0019] Reference signs: 1, inlet and outlet oil hole A; 2, filter device body; 3, DN50 ball valve; 4, screw joint; 5, inlet and outlet oil hole B; 6, filter cartridge; 7, reinforced plate; 8, hydraulic pipeline A; 9, hydraulic pipeline B; 10, hydraulic valve table. DETAILED DESCRIPTION
[0020] In this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The present utility further illustrates the present utility by way of example with reference to the accompanying drawings without any intention that such examples should limit its scope:
[0021] The existing hydraulic system does not have a filtering device on the pipeline from the hydraulic station to the hydraulic valve table, so that the welding bumps and other impurities in the hydraulic oil can enter the hydraulic operating valve table with the hydraulic oil, causing the hydraulic valve to be blocked, and further causing the hydraulic equipment to be unable to work normally.
[0022] Please refer to Figs. 1-2 To this end, the utility model provides a kind of oil filtering device on hydraulic pipeline, including filter device body 2, the inside of filter device body 2 is equipped with filter cartridge 6, one side of filter device body 2 is equipped with inlet and outlet oil hole A1, the other side of filter device body 2 is equipped with inlet and outlet oil hole B5, inlet and outlet oil hole A1 and inlet and outlet oil hole B5 are misaligned along horizontal direction, and inlet and outlet oil hole B5 are connected with hydraulic pipeline B9 connection.The hydraulic pipeline B9 is connected with hydraulic valve table 10.
[0023] By misaligning inlet and outlet oil hole A1 and inlet and outlet oil hole B5 of oil filtering device along horizontal direction, before entering hydraulic valve table 10, hydraulic oil enters filter device body 2 through inlet and outlet oil hole A1, and impacts on the inner wall of filter cartridge 6, so that welding bumps and other impurities in hydraulic oil are deposited at the bottom of filter device body 2, to achieve the purpose of filtering impurities, and filtered hydraulic oil enters hydraulic valve table 10 through inlet and outlet oil hole B5, avoiding the problem that welding bumps and other impurities in hydraulic oil enter hydraulic valve table 10 with hydraulic oil, causing hydraulic valve to be blocked, and ensuring that hydraulic equipment can work normally.
[0024] DN50 ball valve 3 is installed at the bottom of filter device body 2.By installing DN50 ball valve 3 at the bottom of filter device body 2, impurities deposited at the bottom of filter device body 2 can be discharged.
[0025] Further, the bottom of filter device body 2 is provided with a slag outlet, the slag outlet is connected with a slag pipe, and the DN50 ball valve 3 is installed on the slag pipe.
[0026] Further, inlet and outlet oil hole A1 is connected with hydraulic pipeline A8. Further, inlet and outlet oil hole A1 is connected with hydraulic pipeline A8.
[0027] Further, the inlet and outlet oil hole A1 and the hydraulic pipeline A8 are connected through the screw joint 4.
[0028] Further, the inlet and outlet oil hole B5 and the hydraulic pipeline B9 are connected through the screw joint 4.
[0029] The inlet and outlet oil hole A1 and the hydraulic pipeline A8 are connected through the screw joint 4, and the inlet and outlet oil hole B5 and the hydraulic pipeline B9 are connected through the screw joint 4, so that the oil filter device can be replaced when damaged.
[0030] Further, the filter device body 2 is cylindrical.
[0031] Further, the side wall of the filter device body 2 is made of a steel pipe, the top and bottom of the steel pipe are closed by welding a steel plate, and the outer wall top and outer wall bottom of the steel pipe are provided with a rib plate 7, and the steel plate is welded and fixed with the rib plate 7 of the outer wall of the steel pipe.
[0032] In a specific embodiment, the side wall of the filter device body 2 is made of a thick-skinned seamless steel pipe with a diameter of 168 mm, a pipe wall thickness of 18 mm, and a length of 750 mm, and the two ends of the filter device body 2 are closed by welding a steel plate with T=20 mm, and the steel plate is welded with the rib plate 7 of the outer wall of the steel pipe.
[0033] In a specific embodiment, the distance between the inlet and outlet oil hole A1 and the inlet and outlet oil hole B5 in the vertical direction is 100 mm. That is, the inlet and outlet oil hole A1 and the inlet and outlet oil hole B5 are offset from the center of the hydraulic pipeline by 50 mm, and the relative positions are staggered.
[0034] By using the oil filter device, the welding bumps and other impurities in the hydraulic pipeline can be filtered without affecting the original hydraulic system, and the problem of blockage of the hydraulic valve table 10 is completely solved.
[0035] The oil filter device has the advantages of simple structure, low cost, simple and convenient installation and maintenance, and good effect.
[0036] The working principle of the utility model:
[0037] In use, before entering the hydraulic valve table 10, the hydraulic oil enters the filter device body 2 through the inlet and outlet oil hole A1, impacts on the inner wall of the filter cartridge 6, and the welding bumps and other impurities in the hydraulic oil are deposited at the bottom of the filter device body 2, so as to achieve the purpose of filtering impurities, and the filtered hydraulic oil enters the hydraulic valve table 10 through the inlet and outlet oil hole B5. Through the DN50 ball valve 3 at the bottom of the filter device body 2, the impurities deposited at the bottom of the filter device body 2 can be cleaned.
[0038] The main function of the utility model:
[0039] The oil liquid filtering device is simple in structure, convenient to install and remove, can well filter the welding burrs and other impurities in the hydraulic pipeline, and ensures normal and stable operation of the hydraulic equipment.
[0040] In the description of the utility model, it needs to understand that the orientation or position relation of the terms "upper end face", "lower end face", "top", "bottom", "left", "right" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of the description of the utility model, thus cannot be understood as the limitation on the actual use direction of the utility model.
[0041] The above examples are only used to illustrate the technical solutions of the utility model, rather than limit the same; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the range of the technical solutions of the utility model examples, and they should all be covered in the range of the claims and the description of the utility model.
Claims
1. An oil filtering device on a hydraulic pipeline, characterized by: The filter device body is internally provided with a filter cartridge, one side of the filter device body is provided with an oil inlet and outlet hole A, the other side of the filter device body is provided with an oil inlet and outlet hole B, the oil inlet and outlet hole A and the oil inlet and outlet hole B are arranged in a staggered manner along the horizontal direction, and the bottom of the filter device body is provided with a ball valve.
2. The oil filtering device on hydraulic pipeline according to claim 1, characterized in that: The oil inlet and outlet hole B is connected with a hydraulic pipeline B, and the hydraulic pipeline B is connected with a hydraulic valve table.
3. The oil filter device according to claim 1, wherein: The distance between the oil inlet and outlet hole A and the oil inlet and outlet hole B in the vertical direction is 100mm.
4. The oil filter device according to claim 1, wherein: The ball valve is a DN50 ball valve.
5. The oil filter device according to claim 4, wherein: The bottom of the filter device body is provided with a slag outlet, the slag outlet is connected with a slag outlet pipe, and the DN50 ball valve is installed on the slag outlet pipe.
6. The oil filter device according to claim 1, wherein: The oil inlet and outlet hole A is connected with a hydraulic pipeline A.
7. The oil filter device according to claim 5, wherein: The oil inlet and outlet hole A and the hydraulic pipeline A are connected through a screw joint.
8. The oil filter device according to claim 2, wherein: The oil inlet and outlet hole B and the hydraulic pipeline B are connected through a screw joint.
9. The oil filter device according to claim 1, wherein: The filter device body is cylindrical.
10. The oil filter device according to claim 1, wherein: The side wall of the filter device body is made of a steel pipe, the top and bottom of the steel pipe are closed by welding a steel plate, the top and bottom of the outer wall of the steel pipe are provided with a stiffened plate, and the steel plate and the stiffened plate of the outer wall of the steel pipe are welded and fixed.