A device for cleaning a positive or negative dipstick

Abstract

The utility model discloses a kind of for right and wrong vertical oil level line cleaning device, including buoy, including secondary oil pipe;Cleaning unit includes observation piece, driving part, telescopic part and cleaning piece.The utility model is operated through multiple groups of redundant observation piece along the equal angle distribution of buoy circumference side, in combination with multistage screw thread telescopic structure and self-locking characteristic, the omnibearing monitoring and efficient cleaning of oil level line are realized.Observation piece is designed with transparent nanometer oil-repellent coating liquid pipe and scale line, cooperate with the guide angle structure and elastic support assembly of scraper of cleaning unit, can dynamically remove oil film stain and avoid glass scratch, simultaneously through multistage extension bar reverse screw thread rotation direction design, make telescopic cylinder with rotating rod rotation realize synchronous telescopic motion, ensure that cleaning piece accurately sticks to the surface of observation piece.

Description

Technical Field

[0001] This utility model relates to the field of upright and inverted devices, and in particular to a device for cleaning upright and inverted oil level lines. Background Technology

[0002] Currently, the floats on inverted hydraulic systems generally use 304 stainless steel oil drums as the main body, and their inlet protection mostly adopts a mechanical seal structure with O-rings and threaded locking. In high-humidity environments such as underground water conservancy projects and coastal tunnels, this structure has three hidden dangers: ① Rubber seals are prone to hardening and cracking under continuous vibration and temperature difference cycles (10℃~60℃), with an actual service life of only 23 years; ② Threaded connections are prone to electrochemical corrosion channels due to long-term immersion in humid air, leading to an increased risk of microleakage of up to 15%; ③ The lack of a moisture-proof breather valve in the structural design allows the internal relative humidity to fluctuate between 80% and 95%, and under conditions where the day-night temperature difference exceeds 15℃, the oil surface condensation can reach 0.5mL / day, seriously affecting the stability of the oil quality.

[0003] Current oil level monitoring systems have significant engineering applicability defects: in continuous production scenarios in chemical plants, the oil deposition rate can reach 0.1 mm / month, causing the scale lines to completely fail after 6 months of operation, requiring frequent manual calibration; in high oil mist environments such as oil refineries, the surface oil film thickness of the observation window can reach 3 μm, and the light transmittance drops from the initial 85% to below 40%, with a misjudgment rate as high as 27% during nighttime inspections; moreover, each cleaning requires shutdown, resulting in serious direct economic losses. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is that the existing upright and inverted devices are prone to blurred scale lines due to oil accumulation, making it impossible to directly determine whether the oil level line in the float is within the required range.

[0005] The above-mentioned technical problems are solved by the following technical solution: This utility model proposes a cleaning device for positive and negative oil level lines, which includes a float and an auxiliary oil pipe connected to its side wall;

[0006] A cleaning unit is installed around the periphery of the pontoon and is interconnected with the pontoon;

[0007] The cleaning unit includes an observation component inserted and installed around the buoy, a drive component fixedly installed at the end of the observation component, a telescopic component fixedly disposed on the axis of the drive component, and a cleaning component disposed at the bottom of the telescopic component.

[0008] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the observation element is at least two sets, and the circumferential array is installed on the periphery of the float.

[0009] In a preferred embodiment of the oil level line cleaning device for upright and inverted positions described in this utility model: the observation element includes a leveling tube snapped onto the side wall of the float, and a mounting platform installed at the end of the leveling tube.

[0010] The liquid level tube is made of transparent material.

[0011] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the front end of the level tube is engraved with scale lines, and the rear end of the level tube is provided with a snap-fit ​​plate.

[0012] The internal cavity of the observation piece is connected to the float.

[0013] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the auxiliary oil pipe includes a transfer pipe that penetrates and communicates with the side wall of the float, an oil pipe installed at the end of the transfer pipe, and an oil sealing cap installed at the end of the oil pipe.

[0014] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the telescopic component includes an output rod fixedly connected to the shaft of the drive component, and a telescopic cylinder sleeved on the outside of the output rod.

[0015] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the driving component is a motor, which is fixedly connected to the shaft of the output rod.

[0016] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the output rod includes a rotating rod and a multi-stage extension rod axially connected to the rotating rod.

[0017] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the telescopic cylinder includes a multi-stage telescopic cylinder connected to the outside of the multi-stage extension rod.

[0018] In a preferred embodiment of the cleaning device for upright and inverted oil level lines described in this utility model: the cleaning component includes a scraper fixedly installed at the bottom of the multi-stage telescopic cylinder;

[0019] The front end of the scraper is chamfered.

[0020] The beneficial effects of this invention are as follows: By distributing multiple redundant observation elements at equal angles along the periphery of the float, combined with a multi-stage threaded telescopic structure and self-locking characteristics, comprehensive monitoring and efficient cleaning of the oil level are achieved. The observation elements feature a transparent nano-oleophobic coating on the level tube and a scale design. Combined with the scraper guide angle structure and elastic support components of the cleaning unit, oil film stains can be dynamically removed while preventing glass scratches. Simultaneously, the multi-stage extension rod with reverse thread rotation design allows the telescopic cylinder to move synchronously with the rotating rod, ensuring precise contact between the cleaning elements and the observation element surface. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this utility model, and are not intended to limit the utility model.

[0022] Figure 1 A three-dimensional structural schematic diagram of a device for cleaning upright and inverted oil level lines is shown;

[0023] Figure 2 A partial enlarged view of the cleaning unit is shown;

[0024] Figure 3 A structural cross-sectional view of the telescopic component and the cleaning component is shown;

[0025] Figure 4 A partial sectional view of the cleaning component structure is shown. Detailed Implementation

[0026] To enable those skilled in the art to better understand this utility model, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0027] The terminology used in this invention refers to those general terms currently widely used in the art in consideration of the functionality of this invention; however, these terms may vary according to the intent, precedent, or new technology of those skilled in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of this invention. Therefore, the terminology used in this specification should not be construed as simple names, but rather based on the meaning of the terms and the overall description of this invention.

[0028] Reference Figure 1 This embodiment provides a device for cleaning upright and inverted oil level lines, including a float 1 and an auxiliary oil pipe 11 connected to its side wall;

[0029] Cleaning unit 2 is installed on the periphery of buoy 1 and is interconnected with buoy 1;

[0030] The cleaning unit 2 includes an observation component 21 that is inserted and installed around the float 1, a drive component 22 that is fixedly installed at the end of the observation component 21, a telescopic component 23 that is fixedly set at the axis of the drive component 22, and a cleaning component 24 that is set at the bottom of the telescopic component 23.

[0031] In this embodiment, the float 1 is manufactured using a one-piece molding process with 304 stainless steel. Its side wall is equipped with a secondary oil pipe 11 with a dust cover. The secondary oil pipe 11 has an inner diameter of φ25mm and forms a communication structure with the main oil chamber. A 0.1mm thick PTFE hydrophobic membrane is embedded in the pipe opening, effectively blocking particles with a diameter >5μm from entering. The cleaning unit 2 is fixedly installed on the periphery of the float 1 via a plug-in connection. Its installation position corresponds to the central observation area of ​​the main oil chamber, and dynamic sealing is achieved through a sealing ring.

[0032] Preferably, automatic cleaning is achieved through the drive component 22 and the cleaning component 24 in the cleaning unit 2. The cleaning component 24 uses the reciprocating motion of the drive component 22 to adsorb and scrape off the oil film from the surface of the observation component 21, avoiding physical friction scratches on the glass. The observation component 21 adopts a hollow cylindrical frame structure with a nano-oleophobic coating on its inner wall. The observation component 21 and the float 1 are sealed by a double seal of O-ring and magnetic adsorption, forming a detachable installation structure for easy replacement and maintenance.

[0033] Preferably, the drive component 22 is a DC brushless motor, which outputs power through a gear reducer to drive the telescopic component 23 to slide along the circumference of the float. The movement frequency of the drive component 22, such as 10Hz, and the stroke range are controlled by a preset program. In conjunction with an optical sensor, when the detected oil thickness exceeds a threshold, the drive component 22 is triggered to start a cleaning program. Alternatively, the drive component 22 can be a pneumatic-hydraulic device, powered by an external pump, to drive the telescopic component 23 to slide along the circumference of the float.

[0034] Preferably, the telescopic component 23 has a double-rail groove at its bottom, which cooperates with the guide rail on the side wall of the float 1 to ensure that the cleaning component 24 maintains a horizontal posture during sliding, avoiding blind spots caused by tilting. Alternatively, the telescopic component 23 is composed of multiple folding connecting rods, which can be unfolded along the side wall of the float 1 to cover observation areas at different heights, such as the top, middle, and bottom.

[0035] Preferably, the observation element 21 is coated with a nano-hydrophobic coating such as fluorosilane material, which causes water vapor to condense into tiny water droplets and roll off, reducing condensation.

[0036] Reference Figures 1-4 As an optional embodiment, the observation element 21 includes at least two sets, and the circumferential array is installed around the buoy 1.

[0037] As an optional embodiment, the observation element 21 includes a leveling tube 211 snapped onto the side wall of the float 1, and a mounting platform 212 installed at the end of the leveling tube 211.

[0038] The liquid level tube 211 is made of transparent material.

[0039] As an optional embodiment, the front end of the liquid level tube 211 is engraved with scale lines 2111, and the rear end of the liquid level tube 211 is protruding with a snap-fit ​​plate 2112.

[0040] The internal cavity 2113 of the observation piece 21 is connected to the float 1.

[0041] As an optional embodiment, the auxiliary oil pipe 11 includes a transfer pipe 111 that penetrates the side wall of the connecting float 1, an oil pipe 112 installed at the end of the transfer pipe 111, and an oil sealing cap 113 installed at the end of the oil pipe 112.

[0042] In this embodiment, there are at least two sets of observation elements 21, which are installed in a circular array at equal angles such as 120° or 90° around the circumference of the float 1, covering the top, middle, and bottom of multiple observation areas of the float 1. This eliminates the monitoring blind spots of traditional single observation elements and ensures that the oil level line can be observed at any height. When one observation element fails due to oil contamination, the other observation elements can still provide valid data.

[0043] Preferably, the leveling tube 211 is made of transparent material: oil-resistant polycarbonate PC or high-transmittance quartz glass with a light transmittance of >90% to ensure oil permeability. High-precision oil level markings are engraved on the inner wall of the front end of the leveling tube 2111. A metal snap-fit ​​plate made of stainless steel protrudes from the rear end of the snap-fit ​​plate 2112, engaging with the slots on the side wall of the float 1 for quick installation and disassembly. The snap-fit ​​plate 2112 protrudes from both sides of the leveling tube 211 near the opening, engaging with the slots on the side wall of the float 1 to achieve oil communication. The mounting platform 212 is fixed to the end of the leveling tube 211, integrating the drive component 22 (brushless motor) and the telescopic component 23 to form an independent cleaning unit. An O-ring seal is used between the mounting platform 212 and the float 1 to prevent oil leakage.

[0044] Secondly, the level tube 211 has an internal receiving chamber 2113, which is connected to the main oil chamber through a through hole in the side wall of the float 1 to ensure synchronous oil level display. A hydrophobic and breathable membrane with a pore size of 0.1μm is installed at the bottom of the chamber to balance the internal and external pressure difference and prevent condensation.

[0045] The adapter pipe 111 penetrates the side wall of the float 1 and is integrally formed from 304 stainless steel, with the surface polished to Ra≤0.8μm to reduce oil residue. The oil pipe 112 is threaded to the adapter pipe 111 and uses a double-layer fluororubber sealing ring to ensure dynamic sealing. A pressure balance hole is provided in the pipe body to prevent oil vapor lock. The oil sealing cap 113 uses a silicone elastic sealing gasket combined with a magnetic lock; when opened, it automatically attracts dust to the filter screen, and when closed, it forms an airtight space.

[0046] In summary, this device uses at least two sets of observation elements installed at equal angles (e.g., 120° or 90°) around the circumference of the buoy to cover multiple observation areas at the top, middle, and bottom, eliminating the monitoring blind spots of traditional single observation elements. The redundant design ensures that if any observation element fails, the others can still provide valid data.

[0047] refer to Figure 3 and Figure 4 In one embodiment provided in this application, the telescopic member 23 includes an output rod 231 that is fixedly connected to the axis of the drive member 22, and a telescopic cylinder 232 that is sleeved on the outside of the output rod 231.

[0048] As an optional embodiment, the drive component 22 is a motor, which is fixedly connected to the shaft of the output rod 231.

[0049] As an optional embodiment, the output rod 231 includes a rotating rod 2311 and a multi-stage extension rod 2312 axially connected to the rotating rod 2311.

[0050] As an optional embodiment, the telescopic cylinder 232 includes a multi-stage telescopic cylinder 2321 connected to the outside of the multi-stage extension rod 2312.

[0051] In this embodiment, the multi-stage extension rods 2312 are coaxially threaded together through the engagement of internal and external threads. The threads of adjacent extension rods have opposite directions of rotation. When the rotating rod 2311 rotates, the multi-stage extension rods 2312 slide relative to each other axially through threaded transmission, forming a telescopic motion. The inner wall of the multi-stage telescopic cylinder 2321 is provided with internal threads, the thread specifications of which match the external threads of the corresponding stage of the extension rod 2312. The mechanical connection between the telescopic cylinder and the extension rod is achieved through screw engagement. Anti-loosening washers or lock nuts are provided at the threaded connection to prevent loosening.

[0052] The threaded section of the multi-stage extension rod 2312 adopts a trapezoidal thread structure, with a thread helix angle smaller than the friction angle, giving the telescopic device a self-locking characteristic. When the drive component 22 stops working, the output rod 231 can maintain a stable state in any position. The threaded connection between the telescopic cylinder 232 and the extension rod 2312 is provided with a guide keyway structure. The keyway extends axially and slides in cooperation with the matching guide key to ensure the coaxiality and guiding accuracy of each component during telescopic movement.

[0053] The output shaft of the drive unit 22 is fixedly connected to the rotating rod 2311 via a spline coupling. The multi-stage extension rods 2312 are sequentially connected by engaging internal and external threads. The internal thread section of the multi-stage telescopic cylinder 2321 is engaged with the external thread of the corresponding stage of the extension rod 2312. The drive unit 22 is activated, causing the rotating rod 2311 to rotate at a set speed. The multi-stage extension rods 2312 extend and retract synchronously axially under threaded transmission. When the rotating rod 2311 rotates forward, adjacent extension rods move relative to each other due to opposite thread directions: the outer extension rod retracts inward, and the inner extension rod extends outward; in reverse rotation, they move in opposite directions. The telescopic cylinder 2321 moves synchronously with the extension rods 2312, and the engagement length of its internal thread with the external thread of the extension rod changes in real time. A guide keyway constraint ensures that the straightness deviation of the motion trajectory is <0.1%. When the drive unit 22 stops working, the self-locking characteristic of the trapezoidal thread keeps the output rod 231 stationary at any position without the need for an additional braking device.

[0054] Reference Figure 4 In one embodiment provided in this application, the cleaning component 24 includes a scraper 241 fixedly installed at the bottom of the multi-stage telescopic cylinder 2321;

[0055] The front end of scraper 241 is beveled.

[0056] In this embodiment, the beveled front end of the scraper 241 adopts a rounded transition design, forming a progressive contact area when it comes into contact with the target surface, reducing the impact load and preventing hard particles from scratching the surface.

[0057] When the telescopic cylinder 2321 moves axially, the scraper 241, under the action of the elastic support component 242, always adheres to the target surface, such as the workbench or workpiece surface, and uses the cutting action of the scraper edge to remove floating dust, oil stains or debris.

[0058] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of this utility model.

[0059] Importantly, the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A device for cleaning upright and inverted oil level lines, characterized in that: include, The pontoon (1) includes an auxiliary oil pipe (11) connected to its side wall; A cleaning unit (2) is installed on the periphery of the float (1) and is interconnected with the float (1); The cleaning unit (2) includes an observation piece (21) inserted and installed around the float (1), a drive piece (22) fixedly installed at the end of the observation piece (21), a telescopic piece (23) fixedly set at the axis of the drive piece (22), and a cleaning piece (24) set at the bottom of the telescopic piece (23).

2. The cleaning device for upright and inverted oil level lines according to claim 1, characterized in that: The observation element (21) consists of at least two sets, and the circumferential array is installed around the buoy (1).

3. The cleaning device for upright and inverted oil level lines according to claim 2, characterized in that: The observation element (21) includes a leveling tube (211) snapped onto the side wall of the float (1) and a mounting platform (212) installed at the end of the leveling tube (211). The liquid level tube (211) is made of transparent material.

4. The cleaning device for upright and inverted oil level lines according to claim 3, characterized in that: The front end of the liquid level tube (211) is engraved with scale lines (2111), and the rear end of the liquid level tube (211) is provided with a snap-fit ​​plate (2112). The observation piece (21) has an internal cavity (2113) that is connected to the float (1).

5. The cleaning device for upright and inverted oil level lines according to any one of claims 1 to 4, characterized in that: The auxiliary oil pipe (11) includes a transfer pipe (111) that runs through and communicates with the side wall of the float (1), an oil pipe (112) installed at the end of the transfer pipe (111), and an oil cap (113) installed at the end of the oil pipe (112).

6. The cleaning device for upright and inverted oil level lines according to any one of claims 1 to 4, characterized in that: The telescopic component (23) includes an output rod (231) fixedly connected to the axis of the drive component (22), and a telescopic cylinder (232) sleeved on the outside of the output rod (231).

7. The cleaning device for upright and inverted oil level lines according to claim 6, characterized in that: The driving component (22) is a motor, which is fixedly connected to the axis of the output rod (231).

8. The cleaning device for upright and inverted oil level lines according to claim 6, characterized in that: The output rod (231) includes a rotating rod (2311) and a multi-stage extension rod (2312) axially connected to the rotating rod (2311).

9. The cleaning device for upright and inverted oil level lines according to claim 8, characterized in that: The telescopic cylinder (232) includes a multi-stage telescopic cylinder (2321) connected to the outside of the multi-stage extension rod (2312).

10. The cleaning device for upright and inverted oil level lines according to claim 9, characterized in that: The cleaning component (24) includes a scraper (241) fixedly installed at the bottom of the multi-stage telescopic cylinder (2321); The front end of the scraper (241) is beveled.

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