On-line monitoring device for lubricating oil of gearbox

Abstract

The utility model discloses a gearbox lubricating oil on-line monitoring device which comprises a gearbox, a composite oil product sensor, a connecting line, a connector, a controller and an upper computer, the composite oil product sensor is installed on a box body of the gearbox and connected with the controller through the connecting line and the connector, and the controller is connected with the upper computer. The connector is a separated connector and can play a role in separation when the equipment is overhauled. A mounting sinking table is arranged on the gearbox, a through hole leading to the interior of the gearbox is formed in the middle of the mounting sinking table, the composite oil sensor is fixedly mounted on the mounting sinking table, and a probe of the composite oil sensor is inserted into the gearbox and immersed in lubricating oil. The controller comprises a board card and a mainframe box, the board card has the functions of data acquisition, processing, storage and the like, and a built-in data processing program can judge acquired parameter data of the oil product. According to the utility model, online collection and detection of gearbox lubricating oil can be realized, the use state of the lubricating oil can be timely fed back, the monitoring time is saved, and the monitoring efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil liquid oil product on -line monitoring technical field, concretely relates to a gear box lubricating oil on -line monitoring device. BACKGROUND

[0002] Lubricating oil is the "blood" of the gear box of rail transit vehicle, and its state directly influences the use safety and life of the gear box. The improvement of the running speed of rail transit vehicle makes the working environment of each part of the vehicle more and more complex, and also puts forward higher requirements on the performance of the lubricating oil of the gear box, and the growth of the operation mileage makes the lubricating oil more prone to failure.

[0003] At present, the lubricating oil monitoring of the gear box of rail transit adopts the maintenance mode of manual visual inspection, sampling and inspection, and regular replacement, and has the defects of long detection period, high detection cost, complex oil collection work, manual error and the like. Most of the existing lubricating oil on -line monitoring technology of mechanical equipment needs to draw the lubricating oil from the mechanical equipment through an oil pump or other oil drawing equipment, or set a special oil way on the mechanical equipment for the on -line monitoring of the monitoring equipment.

[0004] The structure space of rail transit vehicle is strictly controlled, the bogie structure of the vehicle is compact, the gear box is an important part of the bogie, and the limit and space have strict requirements, and an external oil way or a larger monitoring equipment cannot be set. The rail transit vehicle is a high -speed mobile equipment, and is mostly operated in a long and large route, and the line working condition is harsh, and the environment is complex and changeable. Therefore, the oil product on -line monitoring device needs to have good adaptability, can stably work under the harsh and changeable working condition, and stably operates in the links such as collection and transmission. In the process of vehicle operation, the gear box and the surrounding parts will produce great vibration, therefore, the oil product on -line monitoring device needs to have good anti -impact and vibration capacity. The gear box is close to the motor, and the electronic equipment such as sensor is prone to electromagnetic interference with the motor. Therefore, the oil product on -line monitoring device needs to have good anti -electromagnetic interference capacity, and meet the electromagnetic compatibility test.

[0005] The existing patent CN2024204670707 discloses an oil liquid on -line monitoring device, which comprises a sensor assembly, a spherical pump power unit, a control module, a wireless gateway unit, a display screen and a power module arranged on a fixing part, the spherical pump power unit is combined by a spherical pump and a motor for pumping oil, the liquid inlet hole and the liquid outlet hole of the spherical pump are respectively communicated with the oil pool to be detected through pipelines, and the sensor assembly is arranged on the pipeline at the front end of the liquid inlet hole of the spherical pump.

[0006] The existing patent CN2023215737208 discloses a gear box lubricating oil monitoring device, which comprises a gear box, an oil comprehensive sensor, a filter and a mounting rack; the oil outlet of the gear box is connected with the oil inlet of the oil comprehensive sensor; the oil outlet of the oil comprehensive sensor is connected with the oil inlet of the filter; the mounting rack is connected with the gear box, and the oil comprehensive sensor and the filter are arranged on the mounting rack.

[0007] In order to realize the online monitoring of the lubricating oil of the gear box of the rail transit, a reliable lubricating oil online monitoring device which does not affect the normal operation of the gear box needs to be developed. Practical new type content

[0008] Based on the above technical problems, the utility model provides a gear box lubricating oil online monitoring device, which solves the problems of long lubricating oil detection period, high detection cost, complex oil product collection work and large artificial error of the gear box in the prior art.

[0009] In order to achieve the above-mentioned purpose, the utility model provides a gear box lubricating oil online monitoring device. The specific technical scheme is as follows:

[0010] A gear box lubricating oil online monitoring device, comprising a gear box, a composite oil product sensor, a connecting line, a connector, a controller and an upper computer, the composite oil product sensor is installed at the bottom or side of the gear box, the connecting line comprises a first cable and a second cable, the first cable is connected with the composite oil product sensor and the connector, and the second cable is connected with the connector and the controller.

[0011] Further, the connector is a split connector, the split connector comprises a male connector and a female connector, and the male connector and the female connector are connected in cooperation.

[0012] Further, one end of the first cable is connected with the tail end of the composite oil product sensor, the other end is connected with the male connector or the female connector, one end of the second cable is connected with the controller, and the other end is connected with the female connector or the male connector.

[0013] Further, the composite oil product sensor comprises a probe and a protective cover located at the front end, an installation part located at the middle and a connecting part located at the tail end.

[0014] Further, a plurality of sensing elements are arranged on the probe, the protective cover is sleeved on the outside of the probe, and a plurality of small holes are formed in the protective cover.

[0015] Further, the installation part is an annular flange plate.

[0016] Further, the installation part is a threaded ring.

[0017] Further, the gear box is provided with a mounting sink, a through hole is formed in the middle of the mounting sink, and the diameter of the through hole is greater than the diameter of the probe.

[0018] Further, the mounting position of the mounting sink is below the lowest oil level of the gear box lubricating oil.

[0019] Further, the controller comprises a board card and a mainframe box, the board card is connected with the mainframe box, the board card is connected with the second cable, and the mainframe box is connected with the upper computer.

[0020] Further, the board card is provided with a data copying interface.

[0021] Further, a plurality of line cards are further included, the line cards fix the first cable, and the line cards are mounted on the box body of the gear box.

[0022] Based on the above technical scheme, the utility model at least has the following beneficial effects:

[0023] 1. The gear box lubricating oil online monitoring device can realize online collection and monitoring of gear box lubricating oil, timely feedback of the use state of the lubricating oil, saving of monitoring time, and high monitoring efficiency.

[0024] 2. The gear box lubricating oil online monitoring device greatly improves the intelligence of gear box operation and maintenance, does not need visual inspection or sampling inspection of maintenance personnel, and reduces the economic and labor costs of gear box operation and maintenance.

[0025] 3. The gear box lubricating oil online monitoring device adopts a separate type to connect the composite oil product sensor and the controller, can be separated, and is convenient for maintenance personnel to maintain.

[0026] 4. The gear box lubricating oil online monitoring device does not affect the space and limit of the gear box due to installation of the composite oil product sensor, does not need oil extraction or additional oil path, and does not affect the performance and structure of the gear box itself. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings accompanying the specification provide further understanding of the utility model, the schematic embodiment of the utility model and the explanation thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0028] Figure 1 The drawings accompanying the specification provide further understanding of the utility model, the schematic embodiment of the utility model and the explanation thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0029] Figure 2The utility model provides a kind of gear box lubricating oil online monitoring device's composite oil sensor's structure schematic view is provided;

[0030] Figure 3 The utility model provides a kind of gear box lubricating oil online monitoring device's partial schematic view.

[0031] Reference signs: 1-gear box, 2-composite oil sensor, 3-connection line, 31-first cable, 32-second cable, 4-connector, 41-male connector, 42-female connector, 5-controller, 6-upper computer, 7-mounting sink, line card-8. DETAILED DESCRIPTION

[0032] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0033] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0034] EMBODIMENT

[0035] To solve the problems of long detection period, high detection cost, complex oil collection work and large artificial error of gear box lubricating oil in the prior art, the utility model provides a kind of gear box lubricating oil online monitoring device.

[0036] To achieve the above purpose, the utility model provides a kind of gear box lubricating oil online monitoring device.The device can effectively realize the online monitoring of gear box lubricating oil, and can transmit the state of lubricating oil to vehicle control system or ground control console in time, without visual inspection or sampling inspection by maintenance personnel, so as to reduce the economic and artificial cost of gear box operation and maintenance, and increase the intelligence of operation and maintenance.

[0037] Refer to Figure 1 As shown in the figure, the utility model provides a kind of gear box lubricating oil online monitoring device, including gear box 1, composite oil sensor 2, connection line 3, connector 4, controller 5 and upper computer 6.Composite oil sensor 2 is installed on the box body of gear box 1, and composite oil sensor 2 is connected with controller 5 through connection line 3 and connector 4, and controller 5 is connected with upper computer 6.

[0038] Specifically, the connector is a detachable connector, the connector includes a male connector 41 and a female connector 42, and the male connector 41 and the female connector 42 are adapted to be connected; the connecting line 3 includes a first cable 31 and a second cable 32, one end of the first cable 31 is connected with the tail end of the composite oil product sensor 2, the other end is connected with the male connector 41 or the female connector 42, and one end of the second cable 32 is connected with the controller 5, and the other end is connected with the female connector 42 or the male connector 41. The first cable 31 is fixed on the box body of the gear box 1 through a plurality of wire clamps 8, and the second cable 32 is fixed through a wire harness. The above detachable connection mode can play a separating role during equipment maintenance. In addition, the installation of the composite oil product sensor 2, the connecting line 3 and the wire clamp 8 does not affect the space and limit of the gear box 1, and no oil needs to be pumped or additional oil circuit needs to be arranged, and the performance and structure of the gear box itself are not affected.

[0039] In some specific implementation processes, the above monitoring device is used on a rail transit vehicle, the composite oil product sensor 2 is installed on the gear box at the bottom of the vehicle, and the controller 5 is installed in the control room on the vehicle, and then the connector 4 is installed on the bogie of the vehicle.

[0040] Specifically, the composite oil product sensor 2 is installed at the bottom or side of the box body of the gear box 1, so as to ensure that the sensor probe is immersed below the lubricating oil liquid level in the gear box. Referring to Figure 2 The composite oil product sensor 2 includes a probe 21 at the front end and a protective cover 22, a mounting portion 23 in the middle and a connecting portion 24 at the tail end and an internal circuit assembly. A plurality of sensing elements are arranged on the probe 21, a plurality of oil product parameters can be monitored, the monitored oil product parameters include temperature, viscosity, density, water activity, water content, dielectric constant, metal element particles, acid value and the like, and corresponding sensing elements can be selectively used according to requirements. The protective cover 22 is sleeved outside the probe 21, and is used for protecting the sensing elements on the probe 21, so as to ensure that the sensing elements work stably in the high-speed stirred lubricating oil. A plurality of small holes are arranged at the front end of the protective cover 22. The mounting portion 23 in the middle is an annular flange plate, and the composite oil product sensor 2 is fixedly installed on the box body of the gear box 1 through bolts. The connecting portion 24 at the tail end is connected with the first cable 31 through a crimping process, can resist a pulling force of more than 500N, has good waterproof performance and protection level.

[0041] Optionally, the mounting portion in the middle can also adopt a protruding threaded ring and be fixedly installed on the box body of the gear box 1 through a threaded connection mode.

[0042] Specifically, the composite oil product sensor 2 is installed at the bottom or side of the box body of the gear box 1, so as to ensure that the sensor probe is immersed below the lubricating oil liquid level in the gear box. Referring to Figure 3As shown, the gear box 1 is provided with a mounting sink 7 on the box body for mounting the composite oil sensor 2, a through hole is formed in the middle of the mounting sink 7, leading to the inside of the gear box 1, the probe 21 of the composite oil sensor 2 is inserted into the through hole and can fully contact the lubricating oil in the gear box, the diameter of the through hole is slightly larger than the diameter of the probe 21 of the composite oil sensor. The position of the mounting sink 7 is below the lubricating oil level of the gear box, which ensures that the probe 21 of the composite oil sensor 2 can be completely immersed in the lubricating oil after installation. The design of the position of the mounting sink 7 is verified by simulation analysis and test, which can ensure that the strength and performance are not affected, and the composite oil sensor 2 does not interfere with any components after installation.

[0043] Specifically, the controller 5 is used to realize power supply, data transmission and processing of the composite oil sensor 2, the controller 5 includes a board card and a host box, the board card is connected with the second cable 32, the host box is connected with the upper computer 6, the board card and the host box communicate through CAN and Ethernet, data can be transmitted to the upper computer through the host box, the host box supplies power for the board card, and the board card supplies power for the composite oil sensor 2. The board card has functions of data acquisition, processing and storage, and a built-in data processing program can judge the parameter data of the collected oil.

[0044] Optionally, a data copying interface is arranged on the board card of the controller 5, which can be copied by maintenance personnel, is not connected with the upper computer system, and data is recycled through the mode of copying data regularly by the maintenance personnel.

[0045] The preferred embodiments of the utility model are described above, and the utility model is not limited to this. For those skilled in the art, the utility model can be changed and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0046] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0047] It should be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of 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. In addition, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0048] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

Claims

1. A device for on-line monitoring of lubricating oil in a gearbox, characterised in that: The application relates to a gear box (1), a composite oil product sensor (2), a connecting line (3), a connector (4), a controller (5) and an upper computer (6), wherein the composite oil product sensor (2) is arranged on the bottom or side of the gear box (1), the connecting line (3) comprises a first cable (31) and a second cable (32), the first cable (31) is connected with the composite oil product sensor (2) and the connector (4), and the second cable (32) is connected with the connector (4) and the controller (5).

2. The on-line monitoring device for lubricating oil of a gear box according to claim 1, characterized in that: The connector (4) is a separate connector, which comprises a male connector (41) and a female connector (42), and the male connector (41) and the female connector (42) are connected in a matched mode.

3. The on-line monitoring device for lubricating oil of a gear box according to claim 2, characterized in that: One end of the first cable (31) is connected with the tail end of the composite oil product sensor (2), and the other end is connected with the male connector (41) or the female connector (42); one end of the second cable (32) is connected with the controller (5), and the other end is connected with the female connector (42) or the male connector (41).

4. The on-line monitoring device for lubricating oil of a gear box according to claim 1, characterized in that: The composite oil product sensor (2) comprises a probe (21) and a protective cover (22) arranged at the front end, a mounting portion (23) arranged at the middle and a connecting portion (24) arranged at the tail end.

5. The on-line monitoring device for lubricating oil of a gear box according to claim 4, characterized in that: A plurality of sensing elements are arranged on the probe (21), the protective cover (22) is arranged on the outer side of the probe (21), and a plurality of small holes are formed in the protective cover (22).

6. The on-line monitoring device for lubricating oil of a gear box according to claim 4, characterized in that: The mounting portion (23) is an annular flange.

7. The on-line monitoring device for lubricating oil of a gear box according to claim 4, characterized in that: The mounting portion (23) is a threaded ring.

8. An on-line monitoring device for lubricating oil of a gearbox according to any one of claims 4-7, characterized in that: An installation sink (7) is arranged on the gear box (1), a through hole is formed in the middle of the installation sink (7), and the diameter of the through hole is larger than that of the probe (21).

9. The gearbox lubricating oil on-line monitoring device according to claim 8, characterized in that: The installation position of the installation sink (7) is below the lowest oil level of lubricating oil of the gear box (1).

10. The on-line monitoring device for lubricating oil of a gear box according to claim 1, characterized in that: The controller (5) comprises a board card and a main box, the board card is connected with the main box, the board card is connected with the second cable (32), and the main box is connected with the upper computer (6).

11. The on-line monitoring device for lubricating oil of a gear box according to claim 10, characterized in that: A data copying interface is arranged on the board card.

12. The on-line monitoring device for lubricating oil of a gear box according to claim 1, characterized in that: A plurality of line cards (8) are arranged, the line cards (8) fix the first cable (31), and the line cards (8) are arranged on the box body of the gear box (1).

Images