Dynamic adjusting fan bearing lubricating device capable of replacing temperature detection instrument on line

By designing the parallel dual pump oil circuit and sheath structure in the fan bearing lubrication device, the online replacement of the temperature detection instrument is achieved, the problem of shutdown replacement is solved, and the operating efficiency and reliability of the system are improved through the dual cooler and pressure transmitter.

CN222977065UActive Publication Date: 2025-06-13JIANGSU GUIDE LUBRICATING HYDRAULIC TECH CO LTD
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Patent Information

Application Number
CN202422066094.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-06-13
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

The existing fan bearing lubrication device needs to be shut down when replacing the temperature detection element, and online maintenance cannot be achieved.

Method used

A dynamic fan bearing lubrication device that can replace the temperature detection instrument online is designed, and adopts a parallel dual pump oil circuit and sheath structure to ensure that the temperature detection instrument is replaced without stopping, and the system is effectively operated through a dual cooler and a pressure transmitter.

Benefits of technology

The online maintenance and replacement of temperature detection instruments is realized, shutdown operations are avoided, the continuous operation of the system is ensured, and the operation efficiency and reliability of the lubricating device are improved through real-time monitoring and cooling systems.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a dynamically adjustable fan bearing lubricating device capable of replacing a temperature detection instrument on line. The dynamically adjustable fan bearing lubricating device comprises parallel double pumps communicated with an oil tank, a double-cylinder filter is connected behind the parallel double-pump oil way, and a parallel duplex cooler oil way is connected behind the double-cylinder filter; the parallel duplex cooler oil way is connected with the oil outlet oil way; a temperature detection instrument, a pressure transmitter and a throttle valve are sequentially arranged on the oil outlet path, and the throttle valve leads to the oil outlet; the temperature detection instrument is provided with a sheath structure and comprises a sleeve arranged in the oil pipe, the sleeve is welded to a sheath seat, the sheath seat is welded to the outer wall of the oil pipe, and a thermometer is sleeved with the sleeve. The design that the temperature detection instrument is provided with the sheath is adopted, so that when the temperature detection instrument is damaged, the temperature detection instrument can be overhauled and replaced on line, oil liquid is prevented from flowing out, and the temperature detection instrument can be replaced without shutdown.
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Description

Technical Field

[0001] The utility model relates to a fan bearing lubrication device. Background Art

[0002] For the existing fan bearing lubrication device, the replacement of its temperature detection element can only be operated in a shutdown state, which needs to be further improved. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a dynamic adjustment fan bearing lubrication device with an online replaceable temperature detection instrument, which can be overhauled and replaced online, prevent the oil from flowing out, and can replace the temperature instrument without shutting down the machine.

[0004] The technical solution of the utility model is as follows:

[0005] A dynamic adjustment fan bearing lubrication device with an online replaceable temperature detection instrument includes a parallel double-pump oil circuit communicated with an oil tank, and is characterized in that each oil circuit of the parallel double-pump oil circuit includes an oil pump, a check valve is connected behind the oil pump, and a throttle valve is connected behind the check valve; one of the oil pumps in the parallel double-pump oil circuit is in use and the other is in standby; the parallel double-pump oil circuit is connected to a double-barrel filter, and a parallel double-cooler oil circuit is connected behind the double-barrel filter; each oil circuit in the parallel double-cooler oil circuit includes a ball valve, a plate cooler is connected behind the ball valve, and a control valve is connected behind the plate cooler; the parallel double-cooler oil circuit is connected to an oil outlet oil circuit; a temperature detection instrument, a pressure transmitter, and a throttle valve are sequentially arranged on the oil outlet oil circuit, and the throttle valve leads to an oil outlet; the temperature detection instrument is provided with a sheath structure, including a sleeve arranged in a oil pipe, the sleeve is welded to a sheath seat, the sheath seat is welded to the outer wall of the oil pipe, and a thermometer is sleeved in the sleeve.

[0006] An oil throttle circuit directly leading to the oil tank is connected to the oil outlet oil circuit in front of the throttle valve, and a throttle valve is arranged on the oil throttle circuit.

[0007] The utility model adopts the design of the temperature detection instrument with a sheath, so that when the temperature detection instrument is damaged, it can be overhauled and replaced online, prevent the oil from flowing out, and can replace the temperature instrument without shutting down the machine.

[0008] A pressure transmitter is adopted to monitor the real state of the system oil supply pressure in real time according to the data fed back by the pressure transmitter, so as to ensure that the system can achieve a more effective operation effect.

[0009] A double-cooler is adopted to cool the oil. Two oil coolers are designed in the system to cool the oil. During the operation of the system, it can be adjusted in real time according to the on-site ambient temperature; when the ambient temperature is low, a single cooler is used to cool the oil, and when the ambient temperature is high, the two coolers are used simultaneously to ensure that the oil temperature of the system meets the operation requirements. Description of the Drawings

[0010] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0011] Figure 1 It is a schematic structural diagram of an embodiment of the present utility model.

[0012] Figure 2 It is a schematic structural diagram of a temperature detection instrument. Specific embodiments

[0013] A dynamic adjustable fan bearing lubrication device with an online replaceable temperature detection instrument includes a parallel dual-pump oil circuit connected to an oil tank 1. Each oil circuit of the parallel dual-pump oil circuit includes an oil pump 2. A check valve 3 is connected after the oil pump, and a throttle valve 4 is connected after the check valve; one of the oil pumps in the parallel dual-pump oil circuit is in use and the other is in standby; a double-barrel filter 5 is connected after the parallel dual-pump oil circuit, and a parallel dual-cooler oil circuit is connected after the double-barrel filter; each oil circuit of the parallel dual-cooler oil circuit includes a ball valve 6, a plate cooler 7 is connected after the ball valve, and a control valve 8 is connected after the plate cooler; the parallel dual-cooler oil circuit is connected to an oil outlet oil circuit; a temperature detection instrument 9, a pressure transmitter 10, and a throttle valve 11 are sequentially arranged on the oil outlet oil circuit, and the throttle valve leads to an oil outlet 12. The temperature detection instrument is provided with a sheath structure, including a sleeve 19 arranged in an oil pipe 21. The sleeve is welded to a sheath seat 20, and the sheath seat is welded to the outer wall of the oil pipe. A thermometer 13 is sleeved in the sleeve.

[0014] On the oil outlet oil circuit and before the throttle valve, a throttle oil circuit 14 directly leading to the oil tank is connected, and a throttle valve 15 is arranged on the throttle oil circuit.

[0015] The oil return ports 16 and 17 communicate with the oil tank 1 through an oil return oil circuit, and the oil return oil circuit communicates with an air balance port 18.

[0016] The present utility model adopts a design of a temperature detection instrument with a sheath, so that each temperature detection element is provided with a protective sleeve. When the temperature detection instrument is damaged, it can be repaired and replaced online. The protective sleeve prevents the outflow of pipeline oil fluid, and the temperature detection instrument can be replaced without shutting down the machine, enabling the instrument to be repaired and replaced online without leakage, ensuring the continuous operation of the system.

[0017] A pressure transmitter is installed at the oil supply port of the lubrication device. According to the data fed back by the pressure transmitter, the system can be reasonably maintained to ensure the more effective long-term operation of the lubrication device.

[0018] Two cooler coolers are used to cool the oil fluid in the system. Two coolers are designed in the system to cool the oil fluid. When the system is running, it can be adjusted in real time according to the on-site ambient temperature and the cooling water temperature; when the ambient temperature is low, a single cooler is used to cool the oil fluid, and when the ambient temperature is high, the two coolers are used simultaneously to ensure that the oil temperature of the system meets the operating requirements.

Claims

1. A dynamic fan bearing lubrication device capable of replacing a temperature detection instrument online, comprising a parallel double-pump oil circuit connected to an oil tank, characterized in that: Each oil circuit of the parallel dual pump oil circuit includes an oil pump, a one-way valve is connected to the oil pump, and a throttle valve is connected to the one-way valve; one oil pump in the parallel dual pump oil circuit is in use and the other oil pump is on standby; a double-barrel filter is connected to the parallel dual pump oil circuit, and a parallel dual cooler oil circuit is connected to the double-barrel filter; each oil circuit in the parallel dual cooler oil circuit includes a ball valve, a plate cooler is connected to the ball valve, and a control valve is connected to the plate cooler; the parallel dual cooler oil circuit is connected to the oil outlet oil circuit; a temperature detection instrument, a pressure transmitter, and a throttle valve are arranged in sequence on the oil outlet oil circuit, and the throttle valve leads to the oil outlet; the temperature detection instrument is provided with a sheath structure, including a sheath arranged in the oil pipe, the sheath is welded to the sheath seat, the sheath seat is welded to the outer wall of the oil pipe, and a thermometer is sleeved in the sheath.

2. The dynamic fan bearing lubrication device with online replaceable temperature detection instrument according to claim 1 is characterized in that: A throttling oil circuit directly leading to the oil tank is connected on the oil outlet circuit and in front of the throttle valve, and a throttling valve is arranged on the throttling oil circuit.