Bearing lubrication state on-line monitoring system

Abstract

A bearing lubrication state on-line monitoring system relates to the technical field of bearing lubrication state monitoring and comprises a bearing body, a sampling tube is fixedly communicated with the side face of the bearing body, a monitoring cylinder is fixedly communicated with the end of the sampling tube, and the monitoring cylinder is communicated with a lubrication channel in the bearing body through a conveying unit. A PLC and a wireless transceiver are installed at the end of the monitoring cylinder, a sealing cover is detachably connected to the end opening position of the monitoring cylinder through a connecting mechanism, an oil film temperature sensor and a lubricating oil viscosity sensor are installed on the side face of the sealing cover, a detection rod is installed on the inner side of the sealing cover and stretches into the inner side of the monitoring cylinder, and the oil film temperature sensor and the lubricating oil viscosity sensor are detachably connected to the end opening position of the monitoring cylinder. According to the on-line monitoring system for the lubricating state of the bearing, the convenience of installation of the sensing element is guaranteed by externally connecting the monitoring cylinder, the on-line monitoring system is convenient to disassemble and assemble, and the sensing element is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing lubrication state monitoring technical field especially is a kind of bearing lubrication state online monitoring system. BACKGROUND

[0002] The stability of the equipment is directly affected by the running state of bearing, if complete lubrication film cannot be formed or lubrication film is thinned, full film lubrication state will be changed to boundary lubrication state, until dry friction occurs, which will aggravate the wear and heat of bearing, and then cause severe vibration of the whole propulsion shafting, affect the stable running state of the whole equipment.

[0003] At present, oil film temperature sensor and lubricating oil viscosity sensor are installed on bearing ring to monitor bearing lubrication state online, however, sensor and bearing need to be maintained during use, and it is difficult to install, on the other hand, it is not convenient to disassemble during maintenance. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems of overcoming the defects of the prior art, and provides a bearing lubrication state online monitoring system, which ensures the convenience of installing sensing elements by connecting a monitoring cylinder, is easy to disassemble and maintain, and can effectively solve the problems in the background art.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0006] A bearing lubrication state online monitoring system, comprising a bearing body, a sampling pipe is fixedly connected to the side surface of the bearing body, an end of the sampling pipe is fixedly connected with a monitoring cylinder, and the monitoring cylinder is communicated with the lubrication channel inside the bearing body through a conveying unit, a PLC controller and a wireless transceiver are respectively installed at the end of the monitoring cylinder, a cover is detachably connected to the port position of the monitoring cylinder through a connecting mechanism, an oil film temperature sensor and a lubricating oil viscosity sensor are respectively installed on the side surface of the cover, a detection rod is installed on the inner side of the cover, and the detection rod extends into the inner side of the monitoring cylinder, and the PLC controller is electrically connected with an external power supply, a wireless transceiver, an oil film temperature sensor and a lubricating oil viscosity sensor.

[0007] Further, the conveying unit comprises an oil pump and a circulating pipe, the oil pump is installed on the inner side of the monitoring cylinder, and the oil pump is communicated with the lubrication channel in the bearing body through the circulating pipe, and the oil pump is electrically connected with the PLC controller.

[0008] Further, it further comprises a handle, and the handle is fixed on the side surface of the cover.

[0009] Further, the detection ends of the oil film temperature sensor and the lubricating oil viscosity sensor are arranged on the detection rod.

[0010] Further, the connecting mechanism comprises a knob and a rotary joint, the knob is rotatably arranged on the side of the cover through the rotary joint.

[0011] Further, the connecting mechanism further comprises a male screw joint and a female screw joint, the female screw joint is fixed at the port of the monitoring cylinder, the male screw joint is fixed on the side of the knob, and the male screw joint is threadedly connected with the female screw joint.

[0012] Compared with the prior art, the bearing lubrication state online monitoring system has the following advantages:

[0013] 1. The external monitoring cylinder is used to ensure the convenience of the installation of the sensing element.

[0014] 2. The port of the monitoring cylinder is detachably connected with the cover through the connecting mechanism, the sensing element for monitoring is arranged on the cover, and the sensing element is convenient to disassemble and assemble, and the sensing element is convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is a three-dimensional side structure schematic diagram of the utility model;

[0017] Fig. 3 It is a three-dimensional sectional structure schematic diagram of the utility model.

[0018] In the drawing: 1-bearings, 2-sampling pipe, 3-connecting mechanism, 31-male screw joint, 32-knob, 33-female screw joint, 34-rotary joint, 4-conveying unit, 41-oil pump, 42-circulating pipe, 5-cover, 6-oil film temperature sensor, 7-handle, 8-lubricating oil viscosity sensor, 9-monitoring cylinder, 10-detection rod, 11-PLC controller, 12-wireless transceiver. DETAILED DESCRIPTION

[0019] The utility model can be explained in detail through the following embodiments, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model.

[0020] Please refer to Figs. 1-3The embodiment provides a technical scheme: a bearing lubrication state on-line monitoring system, which comprises a bearing body 1, a sampling pipe 2 is fixedly connected to the side surface of the bearing body 1 in communication, an end of the sampling pipe 2 is fixedly connected with a monitoring cylinder 9 in communication, the monitoring cylinder 9 is connected with a lubrication channel in the bearing body 1 through a conveying unit 4, the end of the monitoring cylinder 9 is respectively provided with a PLC controller 11 and a wireless transceiver 12, the port position of the monitoring cylinder 9 is detachably connected with a cover 5 through a connecting mechanism 3, the side surface of the cover 5 is respectively provided with an oil film temperature sensor 6 and a lubricating oil viscosity sensor 8, the inner side of the cover 5 is provided with a detection rod 10, and the detection rod 10 extends into the inner side of the monitoring cylinder 9, the PLC controller 11 is electrically connected with an external power supply, the wireless transceiver 12, the oil film temperature sensor 6 and the lubricating oil viscosity sensor 8 respectively, lubricating oil in the lubrication channel of the bearing body 1 enters into the monitoring cylinder 9 through the sampling pipe 2, then the oil film temperature sensor 6 and the lubricating oil viscosity sensor 8 monitor the oil film temperature and the lubricating oil viscosity of the lubricating oil in the monitoring cylinder 9, the monitored information is transmitted to the PLC controller 11, the PLC controller 11 analyzes and processes the information, and the information is transmitted to a remote monitoring end through the wireless transceiver 12, and the external monitoring cylinder 9 is used to ensure the convenience of installation of the sensing element.

[0021] The conveying unit 4 comprises an oil pump 41 and a circulating pipe 42, the oil pump 41 is installed on the inner side of the monitoring cylinder 9, the oil pump 41 is connected with the lubrication channel in the bearing body 1 through the circulating pipe 42, and the oil pump 41 is electrically connected with the PLC controller 11; after monitoring is completed, the oil pump 41 retransmits the lubricating oil in the monitoring cylinder 9 to the lubrication channel in the bearing body 1 through the circulating pipe 42.

[0022] The handle 7 is fixed to the side surface of the cover 5, and the cover 5 is manually operated through the handle 7.

[0023] The detection ends of the oil film temperature sensor 6 and the lubricating oil viscosity sensor 8 are arranged on the detection rod 10, so that monitoring work is facilitated.

[0024] The connecting mechanism 3 comprises a knob 32 and a rotary joint 34, the knob 32 is rotatably installed on the side surface of the cover 5 through the rotary joint 34, the knob 32 rotates relative to the cover 5 through the rotary joint 34, since the sensing element on the cover 5 needs to be connected through wires, the knob 32 can keep the cover 5 from rotating while rotating, so that the problem of wire winding is avoided.

[0025] The connecting mechanism 3 further comprises a threaded male joint 31 and a threaded female joint 33, the threaded female joint 33 is fixed at the port of the monitoring cylinder 9, the threaded male joint 31 is fixed at the side of the knob 32, the threaded male joint 31 is screwed with the threaded female joint 33, when it is necessary to maintain the sensing element on the cover 5, the knob 32 is rotated, the knob 32 drives the threaded male joint 31 to rotate, the threaded male joint 31 is screwed out of the threaded female joint 33, so that the cover 5 and the monitoring cylinder 9 are separated, which is convenient for disassembly and assembly and is convenient for the maintenance work of the sensing element.

[0026] The working principle of the bearing lubrication state online monitoring system is as follows: the lubricating oil in the lubricating channel of the bearing body 1 enters the monitoring cylinder 9 through the sampling pipe 2, then the oil film temperature sensor 6 and the lubricating oil viscosity sensor 8 monitor the lubricating oil film temperature and the lubricating oil viscosity in the monitoring cylinder 9, the monitored information is transmitted to the PLC controller 11, the PLC controller 11 analyzes and processes the information, and the information is transmitted to the remote monitoring end through the wireless transceiver 12, when it is necessary to maintain the sensing element on the cover 5, the knob 32 is rotated, the knob 32 drives the threaded male joint 31 to rotate, the threaded male joint 31 is screwed out of the threaded female joint 33, so that the cover 5 and the monitoring cylinder 9 are separated, the knob 32 is relatively rotated with the cover 5 through the rotary joint 34, after the monitoring is completed, the oil pump 41 retransmits the lubricating oil in the monitoring cylinder 9 to the lubricating channel in the bearing body 1 through the circulating pipe 42.

[0027] It is worth noting that the components disclosed in the above embodiments are all general standard components or components known to those skilled in the art, and the structure and principle thereof can be known by technical personnel through a technical manual or through a conventional experimental method, the wireless transceiver 12, the oil film temperature sensor 6 and the lubricating oil viscosity sensor 8 all adopt products on the market, at the same time, the oil film temperature sensor 6 and the lubricating oil viscosity sensor 8 can adopt the sensors in the patent with the authorized announcement number CN 114878162 B, and the model of the PLC controller 11 is XD3.

[0028] In the utility model, unless another definite stipulation and limitation, the terms such as " install " " connect " " connect " " fixed " should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances, such as rotary connection can be rotary connection through bearing.

[0029] The utility model discloses the part of not detailed is prior art, although the utility model has been specifically shown and introduced in combination with preferred implementation scheme, and the specific implementation this technical scheme method and approach are many, and the above only is the preferred implementation mode of the utility model, but the skilled person in the art should understand that can make various changes to the utility model in form and in details without departing from the spirit and scope of the utility model defined in the appended claims, and all are the protection scope of the utility model.

Claims

1. A bearing lubrication state on-line monitoring system comprising a bearing body (1), characterized in that: The side surface of the bearing body (1) is communicated and fixed with a sampling pipe (2), the end of the sampling pipe (2) is communicated and fixed with a monitoring cylinder (9), and the monitoring cylinder (9) is communicated with the lubricating channel inside the bearing body (1) through a conveying unit (4), the end of the monitoring cylinder (9) is respectively provided with a PLC controller (11) and a wireless transceiver (12), the port position of the monitoring cylinder (9) is detachably connected with a cover (5) through a connecting mechanism (3), the side surface of the cover (5) is respectively provided with an oil film temperature sensor (6) and a lubricating oil viscosity sensor (8), the inner side of the cover (5) is provided with a detection rod (10), and the detection rod (10) extends into the inner side of the monitoring cylinder (9), and the PLC controller (11) is electrically connected with an external power supply, the wireless transceiver (12), the oil film temperature sensor (6) and the lubricating oil viscosity sensor (8) respectively.

2. The bearing lubrication condition on-line monitoring system according to claim 1, characterized in that: The conveying unit (4) comprises an oil pump (41) and a circulating pipe (42), the oil pump (41) is installed on the inner side of the monitoring cylinder (9), and the oil pump (41) is communicated with the lubricating channel in the bearing body (1) through the circulating pipe (42), and the oil pump (41) is electrically connected with the PLC controller (11).

3. The bearing lubrication condition on-line monitoring system according to claim 1, characterized in that: A handle (7) is further included, and the handle (7) is fixed to the side surface of the cover (5).

4. The bearing lubrication condition on-line monitoring system according to claim 1, characterized in that: The detection ends of the oil film temperature sensor (6) and the lubricating oil viscosity sensor (8) are arranged on the detection rod (10).

5. The bearing lubrication condition on-line monitoring system according to claim 1, characterized in that: The connecting mechanism (3) comprises a knob (32) and a rotary joint (34), and the knob (32) is rotatably installed on the side surface of the cover (5) through the rotary joint (34).

6. The on-line monitoring system for bearing lubrication condition according to claim 1 or 5, characterized in that: The connecting mechanism (3) further comprises a male threaded joint (31) and a female threaded joint (33), the female threaded joint (33) is fixed at the port of the monitoring cylinder (9), the male threaded joint (31) is fixed on the side surface of the knob (32), and the male threaded joint (31) is threadedly connected with the female threaded joint (33).

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