Oil recovery tool for disassembling hydraulic element

Abstract

The utility model discloses an oil recovery tool for hydraulic element disassembly, which relates to the technical field of hydraulic element disassembly, and comprises a filter plate and a filter device, an oil collecting funnel is arranged below the filter plate, the filter device is connected below the oil collecting funnel, the filter device comprises a one-way valve and a filter chamber, and the one-way valve is positioned between the filter chamber and the oil collecting funnel. At least one layer of filter screen is arranged in the filter chamber, an oil tank is detachably connected below the filter chamber, a transmission device is arranged above the filter chamber in a penetrating mode, and an output shaft of the transmission device is connected with a push plate located in the filter chamber in a penetrating mode. The oil filtering device has the beneficial effects that oil passes through the filtering plate, passes through the oil collecting funnel and is converged into the pipeline, enters the filtering chamber when the one-way valve is opened, sequentially passes through the coarse filtering net and the fine filtering net under the pressurization of the electric push rod, is filtered and then flows into the oil tank, the oil collecting funnel, the detachable oil tank and the pressurization type layered filtering system, and the problems that the oil runs off disorderly and the filtering efficiency is low are solved; and directional recovery and recycling of oil liquid in the dismounting operation are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic element dismantling technical field especially relates to a hydraulic element dismantling oil recovery frock. BACKGROUND

[0002] In the traditional scene of hydraulic element dismantling operation, the leakage and disordered discharge of hydraulic oil are generally serious problems: due to the lack of integrated oil recovery structure, the oil liquid is easy to flow or drop to the ground along the workbench during the dismantling process, which not only causes oil waste and increases cleaning cost, but also forms oil pollution and slip safety hazard to the working environment.

[0003] In the prior art, although the container is used to receive residual oil or the simple filter screen is used to filter, the oil collection efficiency is low, the full-path diversion cannot be realized, the high-viscosity oil liquid is difficult to penetrate, the filter screen is easy to be blocked, and frequent shutdown cleaning is required; it is difficult to meet the efficient recovery and oil purification requirements of the dismantling scene of the precision elements such as hydraulic cylinder piston rod and servo valve. SUMMARY

[0004] The main purpose of the utility model is to provide a hydraulic element dismantling oil recovery frock, which aims to solve the problem of oil recovery and treatment in the hydraulic element dismantling operation.

[0005] To achieve the above purpose, the utility model provides a hydraulic element dismantling oil recovery frock, which comprises a filter plate and a filter device, an oil collecting funnel is arranged below the filter plate, the filter device is connected below the oil collecting funnel, the filter device comprises a one-way valve and a filter chamber, the one-way valve is located between the filter chamber and the oil collecting funnel, at least one layer of filter screen is arranged in the filter chamber, an oil tank is detachably connected below the filter chamber, a transmission device is arranged through the filter chamber, and the output shaft of the transmission device is connected with a push plate arranged in the filter chamber.

[0006] In an embodiment, the filter screen comprises a coarse filter screen and a fine filter screen, and the coarse filter screen is located above the fine filter screen.

[0007] In an embodiment, the pore size of the coarse filter screen is 80-30μm, and the pore size of the fine filter screen is 5-10μm.

[0008] In an embodiment, the utility model further comprises a workbench, limit blocks are arranged around the periphery of the filter plate, a lifting plate is arranged at the front end of the filter plate, limit grooves are arranged on the workbench corresponding to the limit blocks, and the workbench and the limit grooves are gap-fitted.

[0009] In an embodiment, the filter device further comprises a pipeline, one end of the pipeline is connected with the oil collecting funnel, and the other end of the pipeline is connected with the middle part of the side edge of the filter chamber.

[0010] In an embodiment, the one-way valve comprises a valve seat, a valve core and a spring, the valve core is attached to the valve seat, and the valve core is arranged between the valve seat and the filter chamber.

[0011] In an embodiment, the push plate is arranged on the top of the filter chamber, and the output shaft of the transmission device is arranged with a sealing ring on the top of the filter chamber.

[0012] In an embodiment, the transmission device is one of an electric push rod, a worm gear transmission and a ball screw transmission.

[0013] In an embodiment, a snap ring is arranged on the lower part of the filter chamber, and a limiting frame is arranged outside the filter device, and a clamping groove matched with the snap ring is arranged on the limiting frame.

[0014] In an embodiment, a glove box is arranged on the upper end of the filter plate, and the glove box is filled with inert gas.

[0015] The technical scheme of the utility model discloses that oil liquid is collected by the oil collecting funnel and is gathered into the pipeline through the filter plate, the oil liquid opens the one-way valve and enters the filter chamber, and the oil liquid passes through the coarse filter screen and the fine filter screen in turn under the pressure of the electric push rod, and then flows into the oil tank after being filtered; through the structured oil collecting funnel, the detachable oil tank and the pressurized layered filter system, the technical bottleneck of disorderly loss of oil liquid and low filtering efficiency is solved, and directional recovery, graded purification and recycling of oil liquid in the dismounting operation are realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0017] Figure 1 It is a first perspective view of the oil liquid recovery tool for hydraulic element dismounting provided by the utility model;

[0018] Figure 2 It is a second perspective view of the oil liquid recovery tool for hydraulic element dismounting provided by the utility model;

[0019] Figure 3 It is a top view structural schematic diagram of the oil liquid recovery tool for hydraulic element dismounting provided by the utility model;

[0020] Figure 4 It is a B-B sectional view structural schematic diagram of the oil liquid recovery tool for hydraulic element dismounting provided by the utility model; Figure 3

[0021] ​Figure 5 For Figure 3 A-A cross-sectional structure schematic diagram of the embodiment of the present application is shown in the figure.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1, filter plate; 11, limit block; 12, lifting plate; 13, storage frame; 2, workbench; 21, limit groove; 22, oil collecting funnel; 23, oil collecting port; 3, filter device; 31, pipeline; 32, check valve; 321, valve seat; 322, spring; 323, valve core; 33, filter chamber; 331, coarse filter screen; 332, fine filter screen; 334, oil outlet; 34, transmission device; 341, push plate; 342, sealing ring; 35, clasp; 36, limit frame; 4, oil tank.

[0024] The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly. Unless otherwise specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element limited by the sentence "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0028] The filter plate 1 has a pore size of 1.5 mm, which avoids the parts of the hydraulic element from falling into the oil collecting funnel 22. The oil collecting funnel 22 is arranged below the filter plate 1, and the structure of the oil collecting funnel 22 concentrates the flow direction of the oil, reduces the residue, and improves the collection efficiency. The oil collecting funnel 22 is provided with an oil collecting port 23 in the middle, and the filter device 3 is connected below the oil collecting port 23. The filter device 3 comprises a one-way valve 32 and a filter chamber 33. The one-way valve 32 is located between the filter chamber 33 and the oil collecting funnel 22. The oil collecting funnel 22 is connected to the filter chamber 33 through a pipeline 31. One end of the pipeline 31 is connected to the oil collecting funnel 22, and the other end of the pipeline 31 penetrates through the middle of the side of the filter chamber 33. The one-way valve 32 is arranged in the pipeline 31. Two layers of filter screens are arranged on the bottom of the filter chamber 33.

[0029] The oil tank 4 is detachably connected below the filter chamber 33. Specifically, an external thread is arranged on the oil outlet 334 at the lower end of the filter chamber 33, and an internal thread is arranged on the upper end of the oil tank 4. The oil tank 4 is screwed with the oil outlet 334, which simplifies the replacement process of the oil tank 4 and is convenient for maintenance. The transmission device 34 is arranged penetratingly above the filter chamber 33. The output shaft of the transmission device 34 penetrates and connects the push plate 341 located in the filter chamber 33.

[0030] The filter screen includes a coarse filter screen 331 and a fine filter screen 332, the coarse filter screen 331 is located above the fine filter screen 332, and the coarse filter screen 331 and the fine filter screen 332 are layered to intercept particles, the coarse filter screen 331 intercepts large particles (such as metal debris), and the fine filter screen 332 removes small impurities (such as dust), and is suitable for the high-viscosity characteristics of oil.

[0031] The pore size of the coarse filter screen 331 is 80-30 μm, and the pore size of the fine filter screen 332 is 5-10 μm.

[0032] In the device, the coarse filter screen 331 uses a 50 μm stainless steel woven screen to intercept larger particles, and the fine filter screen 332 uses a 5 μm glass fiber composite filter material, which increases the dirt holding capacity by 30% and is suitable for the high viscosity characteristics of pressure-resistant and wear-resistant oil.

[0033] The workbench 2 is also included, the four peripheral edges of the filter plate 1 are provided with limiting blocks 11, the front end of the filter plate 1 is provided with a lifting plate 12, the workbench 2 is provided with limiting grooves 21 corresponding to the limiting blocks 11, the workbench 2 is gap-fitted with the limiting grooves 21, the front end lifting plate 12 facilitates the staff to take out the filter plate 1, and facilitates the staff to clean or replace the filter plate 1, the workbench 2 and the adjacent filter plate 1 are provided with a gap, preventing oil from flowing out of the workbench 2 along the surface of the filter plate 1, and ensuring that all oil enters the oil collecting funnel 22.

[0034] The one-way valve 32 includes a valve seat 321, a valve core 323, and a spring 322, the valve core 323 is attached to the valve seat 321, a spring 322 with extremely small rigidity (such as a stainless steel thin wire spring 322) is selected, the valve core 323 is arranged between the valve seat 321 and the filter chamber 33, oil flows into the filter chamber 33 from the oil collecting port 23 through the pipeline 31 and the one-way valve 32, a transmission device 34 is needed to push the push plate 341 downward to provide downward pressure for the oil in the filter chamber 33, the push plate 341 pressurizes and forces the oil to penetrate the filter screen, thereby improving the filtration rate, at this time the valve core 323 of the one-way valve 32 is tightly closed with the valve seat 321, ensuring airtight space to successfully achieve pressurization, and the one-way valve 32 ensures one-way flow of oil to avoid backflow.

[0035] The push plate 341 is located at the top of the filter chamber 33, the output shaft of the transmission device 34 and the top of the filter chamber 33 are provided with a sealing ring 342, the sealing ring 342 is made of fluororubber material, and the sealing ring 342 ensures the sealing property.

[0036] The transmission device 34 is one of an electric push rod, a worm gear transmission, and a ball screw transmission, and the device uses an electric push rod, and the specific model is LA-T8, which is prior art and will not be described in detail.

[0037] The lower part of the filter chamber 33 is provided with a snap ring 35, the inner diameter of the snap ring 35 is matched with the gap of the outer diameter of the filter chamber 33, the outer circle of the snap ring 35 is rectangular, the filter device 3 is externally provided with a limiting frame 36, the limiting frame 36 is provided with a clamping groove matched with the snap ring 35, the limiting frame 36 is used for limiting the snap ring 35 to complete the fixing of the filter chamber 33, the frame limiting prevents the filter chamber 33 from deviating, is suitable for industrial vibration environment, is convenient for workers to disassemble the oil tank 4, and improves work efficiency.

[0038] The front end of the filter plate 1 is also provided with a storage frame 13, the storage frame 13 is used for placing parts in the disassembled hydraulic element, such as a sealing ring 342, a screw and the like, and the oil on the parts can also slowly flow into the filter device 3 through the storage frame 13.

[0039] The upper surfaces of the filter plate 1 and the oil collecting funnel 22 are both provided with an oil-repellent layer.

[0040] The oil tank 4 is provided with visible window scale lines, the visible window scale lines are used for monitoring the oil storage capacity, so that the best working condition can be maintained.

[0041] The upper end of the filter plate is provided with a glove box, inert gas is filled in the glove box, workers perform disassembly work through the glove box, the inert gas filled in the glove box avoids the risk of combustion or explosion of oil, and meanwhile, workers can also avoid inhaling oil, so that the health of workers is protected.

[0042] Working principle: oil flows into the pipeline 31 through the filter plate 1 and the oil collecting funnel 22, the oil enters the filter chamber 33 through the top-opening one-way valve 32, and the oil sequentially passes through the coarse filter screen and the fine filter screen 332 under the pressure of the electric push rod, and then flows into the oil tank 4 after being filtered;

[0043] It should be noted that the device is suitable for scenes such as disassembly of a hydraulic cylinder piston rod, disassembly of a servo valve and disassembly of an oil-immersed capacitor.

[0044] It should be understood that the "one embodiment" or "one example" mentioned throughout the specification means that the specific features, structures or characteristics related to the example are included in at least one embodiment of the utility model. Therefore, "in one embodiment" or "in one example" appearing throughout the specification does not necessarily refer to the same example. In addition, these specific features, structures or characteristics can be combined in one or more examples in any suitable manner. Those skilled in the art should also know that the examples described in the specification are all optional examples, and the actions and modules involved are not necessarily required by the utility model.

[0045] In various embodiments of the present application, it should be understood that the size of the serial number of the above processes does not mean the inevitable sequence of execution order, and the execution order of each process should be determined according to its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0046] The flow charts and block diagrams in the drawings of the present application illustrate the possible implementation architecture, function and operation of the system, method and computer program product according to various embodiments of the present application. In this regard, each block in the flow chart or block diagram can represent a module, program segment, or a part of code containing one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks can also occur in a different order from that marked in the drawings. For example, two blocks indicated in succession can actually be executed substantially in parallel, and sometimes they can be executed in reverse order, which is determined based on the functions involved. It should be particularly noted that each block in the block diagram and / or flow chart, and the combination of blocks in the block diagram and / or flow chart, can be implemented by a dedicated hardware-based system that performs the specified functions or operations, or can be implemented by a combination of special-purpose hardware and computer instructions.

[0047] The above is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A hydraulic component disassembly oil recovery fixture, characterized in that: The filter includes a filter plate (1) and a filter device (3). An oil collecting funnel (22) is provided below the filter plate (1). The filter device (3) is connected below the oil collecting funnel (22). The filter device (3) includes a one-way valve (32) and a filter chamber (33). The one-way valve (32) is located between the filter chamber (33) and the oil collecting funnel (22). At least one layer of filter screen is provided in the filter chamber (33). An oil tank (4) is detachably connected below the filter chamber (33). A transmission device (34) is provided through the filter chamber (33). The output shaft of the transmission device (34) is connected through a push plate (341) located in the filter chamber (33).

2. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: The filter screen includes a coarse filter screen (331) and a fine filter screen (332), with the coarse filter screen (331) located above the fine filter screen (332).

3. The hydraulic component disassembly oil recovery fixture as described in claim 2, characterized in that: The coarse filter (331) has a pore size of 80-30 μm, and the fine filter (332) has a pore size of 5-10 μm.

4. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: It also includes a workbench (2), with limit blocks (11) provided around the four perimeter of the filter plate (1), and a lifting plate (12) provided at the front end of the filter plate (1). A limit groove (21) is provided on the workbench (2) corresponding to the limit block (11), and the workbench (2) and the limit groove (21) are fitted with a clearance.

5. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: The filter device (3) also includes a pipe (31), one end of which is connected to an oil collection funnel (22), and the other end of which passes through and connects to the middle of the side of the filter chamber (33).

6. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: The one-way valve (32) includes a valve seat (321), a valve core (323) and a spring (322). The valve core (323) is in contact with the valve seat (321) and is disposed between the valve seat (321) and the filter chamber (33).

7. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: The push plate (341) is located at the top of the filter chamber (33), and the output shaft of the transmission device (34) is provided with a sealing ring (342) at the top of the filter chamber (33).

8. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: The transmission device (34) is one of the following: electric push rod, worm gear transmission, or ball screw transmission.

9. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: A retaining ring (35) is provided in the lower part of the filter chamber (33), and a limiting frame (36) is provided on the outside of the filter device (3). The limiting frame (36) is provided with a groove that cooperates with the retaining ring (35).

10. The hydraulic component disassembly oil recovery fixture as described in claim 1, characterized in that: A glove box is provided at the upper end of the filter plate, and the glove box is filled with inert gas.

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