A clog monitoring system for a progressive lubrication distributor

Abstract

This utility model discloses a blockage monitoring system for a progressive lubrication distributor, comprising a first module, a last module, and at least one working module. The first module has a main oil inlet channel for receiving high-pressure grease. The working module has symmetrically arranged oil outlets on both sides for grease diversion and output. Each oil outlet is equipped with an independent monitoring and alarm unit, consisting of a flow sensor and an audible and visual alarm. A fluororubber sealing ring with a pressure resistance of ≥10MPa is installed between the flow sensor and the oil outlet. The system detects grease flow and promptly reports any abnormalities. The status feedback module converts the LED / buzzer status into a digital signal (such as fault code "E02"), which is transmitted to the cloud via RS485 / LoRa to enable historical blockage data tracing and support predictive maintenance (such as oil circuit blockage trend analysis).

Description

Technical Field

[0001] This utility model relates to the field of hydraulic systems, and in particular to a blockage monitoring system for a progressive lubrication distributor. Background Technology

[0002] In daily use of progressive distributors, the excessively long circulation oil path can cause the grease in the circulation oil path to saponify and dry over a long period of time, which can easily lead to blockage.

[0003] When operators discover a blockage in the oil pipe, they are unsure which part of the pipe is blocked, and they have to replace the entire distributor, resulting in equipment waste and reduced process efficiency. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a blockage monitoring system for a progressive lubrication distributor.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: This utility model discloses a blockage monitoring system for a progressive lubrication distributor, comprising a first module, a last module, and at least one working module, wherein: The first module has a main oil inlet channel for connecting high-pressure grease; The working module is symmetrically configured with oil outlets on both sides to achieve oil diversion and output. The feature is that each oil outlet is equipped with an independent monitoring and alarm unit, which consists of a flow sensor and an audible and visual alarm. A fluororubber sealing ring with a pressure resistance of ≥10MPa is installed between the flow sensor and the oil outlet.

[0006] As a preferred embodiment of this utility model, the flow sensor integrates a mechanical triggering mechanism, which generates a displacement response when the grease flows.

[0007] As a preferred technical solution of this utility model, the flow sensor is a cylindrical shell with an inner diameter equal to the outer diameter of the oil outlet, and is fitted onto the outside of the oil outlet by an interference fit.

[0008] As a preferred embodiment of this invention, the output of the flow sensor is connected to the input of the audible and visual alarm via a shielded signal cable, forming a current closed-loop circuit.

[0009] As a preferred technical solution of this utility model, the surface of the sound and light alarm is equipped with multiple sets of LED indicator lights, each set of indicator lights corresponds to a flow sensor, and when the triggering mechanism is displaced, it drives the color state change of the corresponding LED indicator light.

[0010] As a preferred technical solution of this utility model, the color state conversion logic of the LED indicator is as follows: when the trigger mechanism is displaced, green is displayed (indicating smooth flow). When the trigger mechanism is stationary, the indicator turns red (indicating a blockage).

[0011] As a preferred technical solution of this utility model, the side wall of the sound and light alarm integrates a piezoelectric buzzer, the triggering condition of which is: when any LED indicator light is red, the buzzer automatically outputs an alarm sound wave of 85dB@1m; The audible and visual alarm is equipped with an internal status feedback module, which supports uploading fault codes to the remote control platform via RS485 / LoRa protocol.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. Monitor the flow of grease and promptly report any abnormalities; 2. The status feedback module converts the LED / buzzer status into digital signals (such as fault code "E02"), which are transmitted to the cloud via RS485 / LoRa to enable historical data tracing of blockages and support predictive maintenance (such as oil circuit blockage trend analysis). Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side view of the present invention; Figure 3 This is a partial schematic diagram of the present invention; In the diagram: 1. First module; 21. Working module; 3. Tail module; 11. Main oil inlet channel; 22. Oil outlet interface; 4. Flow sensor; 41. Triggering mechanism; 5. Audible and visual alarm; 51. LED indicator; 52. Buzzer; 7. Shielded signal cable; 8. Feedback module. Detailed Implementation

[0014] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0015] In the attached diagram, all identical reference numerals refer to the same components.

[0016] like Figure 1-3As shown, this utility model provides a blockage monitoring system for a progressive lubrication distributor, comprising a first module 1, a last module 3, and at least one working module 21, wherein: The first module 1 has a main oil inlet channel 11 for connecting high-pressure grease; The working module 21 is symmetrically configured with oil outlet ports 22 on both sides to realize the oil diversion and output; The feature is that each oil outlet 22 is equipped with an independent monitoring and alarm unit, which consists of a flow sensor 4 and an audible and visual alarm 5; A fluororubber sealing ring with a pressure bearing capacity of ≥10MPa is provided between the flow sensor 4 and the oil outlet 22.

[0017] In this utility model, the outer diameter of the oil outlet of the working module 21 is Φ6mm, and the surface roughness is Ra1.6; The sensor is made of 304 stainless steel round tube with an inner diameter of Φ6.05mm (interference allowance 0.05mm). A fluororubber sealing ring with a cross-sectional diameter of 1.5 mm, a Shore hardness of 70A, and a pressure bearing capacity of 15 MPa is added to the mounting surface between the sensor and the oil outlet.

[0018] In an optional embodiment, the flow sensor 4 integrates a mechanical triggering mechanism 41 that responds to displacement as grease flows.

[0019] It should be noted that the sensor lever is made of phosphor bronze, with a thickness of 0.2mm and an effective length of 8mm; The trigger force is calibrated to 0.5N (verified using the static calibration method with weights).

[0020] In an optional embodiment, the flow sensor 4 is a cylindrical housing with an inner diameter equal to the outer diameter of the oil outlet 22, and is fitted onto the outside of the oil outlet 22 by an interference fit.

[0021] It should be noted that the inner wall of the sensor is machined with a spiral guide groove, with a spiral angle of 30°, a groove depth of 0.8 mm, and a lead of 15 mm; Test grease viscosity: ISO VG 460 (simulating high-temperature operating conditions of metallurgical equipment).

[0022] In an optional embodiment, the output of the flow sensor 4 is connected to the input of the audible and visual alarm 5 via a shielded signal cable 7, forming a current closed loop.

[0023] It should be noted that the main control unit uses an STM32F103 chip to analyze the on / off signal of the sensing lever in real time. It integrates a LoRa communication module, which supports the wireless transmission of fault codes to the central control platform.

[0024] In an optional embodiment, the surface of the audible and visual alarm 5 is fitted with multiple sets of LED indicator lights 51, each set of indicator lights corresponding to a flow sensor 4; when the triggering mechanism 41 is displaced, it drives the color state change of the corresponding LED indicator light 51.

[0025] In an optional embodiment, the color switching logic of the LED indicator 51 is as follows: when the trigger mechanism 41 is displaced, green is displayed, indicating smooth flow; When trigger mechanism 41 is stationary, it displays red, indicating a blockage. In an optional embodiment, the sidewall of the audible and visual alarm 5 integrates a piezoelectric buzzer 52, which is triggered when any LED indicator 51 turns red, the buzzer 52 automatically outputs an alarm sound wave of 85dB@1m. The sound and light alarm 5 has an added status feedback module 8, which supports uploading fault codes to the remote control platform via RS485 / LoRa protocol.

[0026] The working principle of this utility model is as follows: 1. Grease is injected through the first inlet (pressure 2MPa). 2. When the grease flows through the working module 21, it pushes the sensing lever inside the sensor through the oil outlet; 3. Sealing verification: After holding at 10MPa pressure for 5 minutes, there should be no leakage at the interface (soap water test method). Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A blockage monitoring system for a progressive lubrication distributor, comprising a first module (1), a last module (3), and at least one working module (21), wherein: The first module (1) has a main oil inlet channel (11) for connecting high-pressure grease; the working module (21) has symmetrical oil outlet interfaces (22) on both sides to realize grease diversion output; the feature is that each oil outlet interface (22) is equipped with an independent monitoring and alarm unit, which consists of a flow sensor (4) and an audible and visual alarm (5); a fluororubber sealing ring is set between the flow sensor (4) and the oil outlet interface (22), with a pressure bearing capacity ≥10MPa.

2. The blockage monitoring system for a progressive lubrication distributor according to claim 1, characterized in that: The flow sensor (4) integrates a mechanical triggering mechanism (41) that responds to displacement when the grease flows.

3. The blockage monitoring system for a progressive lubrication distributor according to claim 1, characterized in that: The flow sensor (4) is a cylindrical shell with an inner diameter equal to the outer diameter of the oil outlet (22), and is fitted to the outside of the oil outlet (22) by an interference fit.

4. The blockage monitoring system for a progressive lubrication distributor according to claim 1, characterized in that: The output of the flow sensor (4) is connected to the input of the audible and visual alarm (5) via a shielded signal cable (7), forming a current closed loop.

5. The blockage monitoring system for a progressive lubrication distributor according to claim 1, characterized in that: The sound and light alarm (5) has multiple sets of LED indicator lights (51) embedded on its surface, and each set of indicator lights corresponds to a flow sensor (4). When the trigger mechanism (41) is displaced, it drives the color state change of the corresponding LED indicator (51).

6. The blockage monitoring system for a progressive lubrication distributor according to claim 5, characterized in that: The color state conversion logic of the LED indicator (51) is as follows: when the trigger mechanism (41) is displaced, it displays green, indicating smooth flow; When the trigger mechanism (41) is stationary, it displays red, indicating a blockage.

7. A blockage monitoring system for a progressive lubrication distributor according to claim 5 or 6, characterized in that: The sound and light alarm (5) integrates a piezoelectric buzzer (52) on its side wall. Its triggering condition is: when any LED indicator (51) is red, the buzzer (52) automatically outputs an alarm sound wave of 85dB@1m. The sound and light alarm (5) is equipped with a status feedback module (8) to support uploading fault codes to the remote control platform via RS485 / LoRa protocol.

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