CN219317577U - Flowmeter metering jet lubrication system meeting low-temperature working condition - Google Patents
Flowmeter metering jet lubrication system meeting low-temperature working condition Download PDFInfo
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- CN219317577U CN219317577U CN202320449399.6U CN202320449399U CN219317577U CN 219317577 U CN219317577 U CN 219317577U CN 202320449399 U CN202320449399 U CN 202320449399U CN 219317577 U CN219317577 U CN 219317577U
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Abstract
The utility model provides a flowmeter metering injection lubrication system meeting low-temperature working conditions, which is characterized by comprising the following components: the device comprises a pneumatic pump control module, a pneumatic pump, an oil drum, an injection valve and an injection gas path control module, wherein the pneumatic pump control module is connected with the pneumatic pump, the pneumatic pump is arranged on the oil drum, the output end of the pneumatic pump is connected with a high-pressure filter, the output end of the high-pressure filter is connected with a flowmeter, and the flowmeter is connected with an oil inlet of the injection valve; the injection gas circuit control module is connected with the gas inlet of the injection valve, and a self-heating pipe is arranged in the injection gas circuit control module. The jet lubrication system can complete jet lubrication as usual under the condition of low ambient temperature, and the flow data monitoring feedback is timely, so that workers can manage and regulate timely, and compared with the traditional distributor type jet lubrication system, the system is more reliable under the condition of meeting gear lubrication.
Description
Technical Field
The utility model relates to the technical field of gear lubrication, in particular to a flowmeter metering jet lubrication system meeting a low-temperature working condition.
Background
The large open gear pair is widely applied to cement, electric power, mine, metallurgy and other equipment as an important transmission part, has the characteristics of heavy load, low speed, severe working environment, poor surface roughness, high price and the like, and is extremely easy to cause faults such as pitting, stripping, breaking and the like of a tooth surface if not well lubricated. For lubrication of large open gear pairs, the prior art generally adopts an injection valve lubrication mode, however, the existing injection valve lubrication has some obvious defects: firstly, the existing jet lubrication system needs to adopt an oil feeding distributor to be matched with an injection valve, and a progressive distributor is usually adopted, however, the distributor oil feeding is a simple mechanical device, only a structure for roughly indicating flow is needed, the flow is needed to be observed and read manually, accurate data display cannot be achieved, and data cannot be transmitted, so that a fault point in the lubrication system is difficult to discover in time at the first time in the working process, and if the fault point cannot be discovered in time, a later accident can possibly be caused to be in a large burst under the unknown condition, and all the devices are required to be stopped during maintenance, so that the production is very unfavorable. Secondly, the existing jet lubrication system has the disadvantages that the jet is greatly discounted under the condition of low ambient temperature, and the jet lubrication system can not smoothly jet as usual, especially the grease with high viscosity can not smoothly jet under the working condition of low temperature.
In order to achieve the desired lubrication effect for large open gear pairs, spray lubrication must continuously provide new lubricant to the tooth surfaces and make them thin and uniform to form a continuous oil film on the tooth surfaces. Therefore, the injection lubrication system can be always injected under the low-temperature working condition, and in addition, the oil feeding flow data is required to be accurate and timely fed back, so that the management work of the lubrication system is more intelligent and reliable, the fault can be foreseen before the fault becomes an accident, the fault can be cleared and solved in time, and the smooth work of the lubrication system is ensured.
Disclosure of Invention
The utility model aims to solve the problems and aims to provide a flowmeter metering injection lubrication system meeting the low-temperature working condition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a flowmeter metering injection lubrication system meeting low-temperature working conditions, which is characterized by comprising the following components: the device comprises a pneumatic pump control module, a pneumatic pump, an oil drum, an injection valve and an injection gas path control module, wherein the pneumatic pump control module is connected with the pneumatic pump, the pneumatic pump is arranged on the oil drum, the output end of the pneumatic pump is connected with a high-pressure filter, the output end of the high-pressure filter is connected with a flowmeter, and the flowmeter is connected with an oil inlet of the injection valve; the pneumatic pump control module comprises a first air inlet valve connected with an air source, the output end of the first air inlet valve is connected with a first filtering and reducing valve, the output end of the first filtering and reducing valve is connected with a first reversing valve, the first reversing valve is connected with the pneumatic pump through two paths of air paths respectively, and one path of the first reversing valve is provided with an air path speed regulating valve; the jet gas path control module comprises a second air inlet valve connected with an air source, the output end of the second air inlet valve is connected with a second filtering and reducing valve, the output end of the second filtering and reducing valve is connected with a second reversing valve, the second reversing valve is connected with the self-heating pipe through a gas path, a pressure switch is arranged on the gas path from the second reversing valve to the self-heating pipe, and the output end of the self-heating pipe is connected with an air inlet of the jet valve.
Further, in the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model, the flowmeter metering injection lubrication system can also have the following characteristics: wherein, first switching-over valve and second switching-over valve are the solenoid valve.
Further, in the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model, the flowmeter metering injection lubrication system can also have the following characteristics: wherein, the flowmeter is a remote display gear flowmeter.
Further, in the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model, the flowmeter metering injection lubrication system is characterized in that: the jet lubrication system is a jet lubrication system with single-point lubrication, wherein the number of the jet valves is one, and the number of the jet gas path control modules connected with the jet valves is one.
Further, in the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model, the flowmeter metering injection lubrication system is characterized in that: the injection lubrication system is a multipoint lubrication injection lubrication system, wherein n injection valves (n is more than or equal to 2), n injection gas circuit control modules are provided, and each injection gas circuit control module is correspondingly connected with one injection valve; the flowmeter is one, and the flowmeter is connected with n injection valves through n oil pipeline respectively, all is provided with a control valve on every oil pipeline.
Further, in the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model, the flowmeter metering injection lubrication system can also have the following characteristics: wherein, the control valve is the solenoid valve.
Further, in the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model, the flowmeter metering injection lubrication system can also have the following characteristics: wherein the injection valve is arranged in the injection tank.
The utility model has the following functions and effects:
the flowmeter metering injection lubrication system meeting the low-temperature working condition provided by the utility model abandons the traditional distributor, adopts flowmeter metering, is matched with the pneumatic pump control module and the injection gas circuit control module with specific structures, can normally inject high-viscosity lubricant under the low-temperature working condition, greatly improves the accuracy of flow data monitoring, can timely feed back and display, is convenient for staff to timely check the flow data to judge whether faults exist or not, predicts the faults, and ensures the smooth work of the system. In addition, a plurality of electromagnetic valves are arranged in the system, so that workers can manage and regulate the electromagnetic valves in time, and the electromagnetic valves can be independently processed in a flow meter metering injection lubrication system which is used for realizing multipoint lubrication and meets the low-temperature working condition. The utility model ensures that the system is more reliable and the management is more scientific under the condition of meeting the gear lubrication, thereby ensuring the smooth work of the system.
Drawings
FIG. 1 is a schematic diagram of a single point lubrication type flow meter metering jet lubrication system meeting low temperature conditions in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a single point lubrication type flow meter metering jet lubrication system meeting low temperature conditions in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a multi-point lubrication type flow meter metering jet lubrication system meeting low temperature conditions in another embodiment of the present utility model.
Reference numerals: 1-a first intake valve; 2-a first filter pressure reducing valve; 3-a first reversing valve; 4-an air path speed regulating valve; 5-a pneumatic pump; 6, an oil drum; 7-oil pressing disc; 8-a second intake valve; 9-a second filter pressure reducing valve; 10-a second reversing valve; 11-a pressure switch; 12-self-heating pipes; 13-injection valve; 14-a high pressure filter; 15-a flow meter; 16-a control valve; 17-valve box; 21-air source; 22-air source; 23-jet box; 24-an electrical controller; 25 an electrical controller.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purposes and the effects of the present utility model easy to understand, the following embodiments specifically describe the technical scheme of the present utility model with reference to the accompanying drawings.
Referring to fig. 1-2, in one embodiment of the present utility model, a single point lubrication type flow meter metering jet lubrication system meeting low temperature conditions is provided; referring to fig. 3, another embodiment of the present utility model provides a multi-point lubrication type flow meter metering jet lubrication system meeting low temperature conditions.
As shown in fig. 1 to 3, the flowmeter metering jet lubrication system satisfying the low-temperature condition of the present utility model includes: a pneumatic pump control module, a pneumatic pump 5, an oil drum 6, an injection valve 13, an injection gas path control module, a high pressure filter 14 and a flowmeter 15.
The pneumatic pump control module is connected with the pneumatic pump 5 and used for controlling the pneumatic pump 5 to discharge oil. The pneumatic pump control module comprises a first air inlet valve 1 connected with an air source 21, the output end of the first air inlet valve 1 is connected with a first filtering and reducing valve 2, the output end of the first filtering and reducing valve 2 is connected with a first reversing valve 3, the first reversing valve 3 is connected with a pneumatic pump 5 through two paths of air paths respectively, and one path of the first reversing valve is provided with an air path speed regulating valve 4. In the embodiment, the air source 21 is air. The first reversing valve 3 is a solenoid valve, and as shown in fig. 2 and 3, the first reversing valve 3 is preferably a two-position five-way pneumatic solenoid valve.
The pneumatic pump 5 is installed on the oil drum 6, and the oil drum 6 is filled with lubricating oil or lubricating grease. A drip pan 7 is preferably also mounted at the lower end of the pneumatic pump 5. The output end of the pneumatic pump 5 is connected with an oil delivery pipeline which is connected with an oil inlet of the injection valve 13, and the oil delivery pipeline is sequentially provided with a high-pressure filter 14 and a flowmeter 15. The flow meter 15 is a gear flow meter, and can accurately display flow data. In the prior art, the gear flowmeter comprises an on-site display gear flowmeter and a remote display gear flowmeter which are respectively displayed on site according to the signal display mode, and the remote display gear flowmeter is preferably adopted in the embodiment shown in the attached drawings of the utility model, and is a flowmeter which is used for remotely transmitting a flow monitoring data signal to another instrument or a display screen for display.
Referring to fig. 1 to 2, in the single-point lubrication type flowmeter metering injection lubrication system meeting the low-temperature working condition, the injection valve 13 is only one, and the pneumatic pump 5 is connected with an oil inlet of the injection valve 13 through an oil pipeline, and a high-pressure filter 14 and a flowmeter 15 are sequentially arranged on the oil pipeline. For a multi-point lubrication type flow meter metering injection lubrication system meeting the low-temperature working condition, referring to fig. 3, the number of injection valves 13 in the system is n (n is an integer greater than or equal to 2), the number of oil delivery pipelines connected with the pneumatic pump 5 is one, and the oil delivery pipelines are provided with a high-pressure filter 14 and a flow meter 15 in sequence. The output end of the flowmeter 15 is connected with n injection valves 13 through n oil delivery pipelines, and the n oil delivery pipelines are respectively provided with control valves 16 correspondingly. In the embodiment shown in fig. 3, there are three injection valves 13, and control valves 16 are respectively disposed on the corresponding three oil delivery pipelines. The control valve 16 is a solenoid valve. Preferably, all n control valves 16 are integrally arranged in the same valve box 17, which is convenient for the staff.
The injection gas path control module is connected with the gas inlet of the injection valve 13. The jet gas path control module comprises a second air inlet valve 8 connected with a gas source, the output end of the second air inlet valve 8 is connected with a second filtering and reducing valve 9, the output end of the second filtering and reducing valve 9 is connected with a second reversing valve 10, the second reversing valve 10 is connected with a self-heating pipe 12 through a gas path, a pressure switch 11 is arranged on the gas path from the second reversing valve 10 to the self-heating pipe 12, and the output end ventilation path of the self-heating pipe 12 is connected with the air inlet of a jet valve 13. In the illustrated embodiment, the air source 22 is air. The second reversing valve 10 is a solenoid valve, and as shown in fig. 2 and 3, the second reversing valve 10 is preferably a two-position two-way pneumatic solenoid valve. The injection gas path control module is used for providing injection gas flow for the injection valve 13, and the self-heating pipe 12 heats the transported gas flow, so that the injection valve 13 can smoothly inject the lubricant under the low-temperature environment.
Referring to fig. 1 to 2, since the injection valve 13 is one in the single-point lubrication type flowmeter injection lubrication system meeting the low-temperature condition, the injection air path control module is also set to be one. For a flow meter metering injection lubrication system meeting a low-temperature working condition of multi-point lubrication, referring to fig. 3, the number of injection valves 13 in the system is n, so that the number of injection gas path control modules is also n, and the injection valves 13 are connected in a one-to-one correspondence manner.
Further, the injection valves 13 are provided in the injection tanks 23, each injection valve 13 being provided in a corresponding one of the injection tanks 23, the injection tank 23 being provided with an opening for the injection of the lubricating oil. The injection valve 13 is arranged in an injection tank, and the tank body plays a role in protecting, so that the injection valve can work better in a severe environment.
The flowmeter metering injection lubrication system meeting the low-temperature working condition is also provided with an electric controller, and the electric controller adopts a PLC electric controller with a display screen. The electrical controller 24 in the system is illustrated in fig. 2 and the electrical controller 25 in the system is illustrated in fig. 3. The first reversing valve 3, the second reversing valve 10, the control valve 16, the flowmeter 15 and other devices needing to be electrified in the system in the flowmeter metering injection lubrication system meeting the low-temperature working condition are electrically connected with the electric controller, and through the arrangement of the PLC electric controller, the centralized management of all devices in the system can be facilitated for staff.
The working principle of the flowmeter metering injection lubrication system meeting the low-temperature working condition is as follows: the jet air path control module provides the air flow required by the jet valve 13 for jetting grease, the air flow is heated by the self-heating pipe 12, and the high-viscosity grease can be smoothly jetted under the condition of low temperature in the environment working condition. For the single-point lubrication type flowmeter metering injection lubrication system meeting the low-temperature working condition, grease output by the pneumatic pump is conveyed to the injection valve 13 through the flowmeter 15, and the flowmeter 15 monitors flow data in real time and transmits the flow data to a PLC (programmable logic controller) with a display screen for display. For the flow meter metering injection lubrication system meeting the low-temperature working condition of multipoint lubrication, grease output by the pneumatic pump is branched into n oil conveying pipelines after passing through the flow meter 15, and flows into n oil conveying pipeline injection valves 13 respectively, and the flow meter 15 monitors flow data in real time and transmits the flow data to a PLC (programmable logic controller) with a display screen for display. After the flow meter metering injection lubrication system meeting the low-temperature working condition adopts the mode of metering lubricating oil by the flow meter, the lubricating oil amount can be calculated more accurately, data can be fed back timely, the fault can be predicted in advance by workers, and the electromagnetic valves are arranged, so that the workers can manage and regulate timely, and the smooth operation of the whole lubrication system is ensured.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.
Claims (7)
1. A flowmeter metering jet lubrication system that meets low temperature conditions, comprising: a pneumatic pump control module, a pneumatic pump, an oil drum, an injection valve and an injection gas path control module,
the pneumatic pump control module is connected with the pneumatic pump, the pneumatic pump is arranged on the oil drum, the output end of the pneumatic pump is connected with a high-pressure filter, the output end of the high-pressure filter is connected with a flowmeter, and the flowmeter is connected with an oil inlet of the injection valve;
the pneumatic pump control module comprises a first air inlet valve connected with an air source, the output end of the first air inlet valve is connected with a first filtering and reducing valve, the output end of the first filtering and reducing valve is connected with a first reversing valve, the first reversing valve is connected with the pneumatic pump through two air paths respectively, and one air path is provided with an air path speed regulating valve;
the jet gas circuit control module comprises a second air inlet valve connected with an air source, the output end of the second air inlet valve is connected with a second filtering and reducing valve, the output end of the second filtering and reducing valve is connected with a second reversing valve, the second reversing valve is connected with a self-heating pipe through a gas circuit, a pressure switch is arranged on the gas circuit from the second reversing valve to the self-heating pipe, and the output end of the self-heating pipe is connected with an air inlet of the jet valve.
2. The flowmeter jet lubrication system for meeting low temperature conditions of claim 1, wherein:
the first reversing valve and the second reversing valve are electromagnetic valves.
3. The flowmeter jet lubrication system for meeting low temperature conditions of claim 1, wherein:
wherein, the flowmeter is a remote display gear flowmeter.
4. The flowmeter jet lubrication system for meeting low temperature conditions of claim 1, wherein: the jet lubrication system is a jet lubrication system with single-point lubrication,
the injection valve is one, and the injection gas path control module connected with the injection valve is one.
5. The flowmeter jet lubrication system for meeting low temperature conditions of claim 1, wherein: the jet lubrication system is a multi-point lubrication jet lubrication system,
the number of the injection valves is n (n is more than or equal to 2), the number of the injection gas circuit control modules is n, and each injection gas circuit control module is correspondingly connected with one injection valve;
the flowmeter is connected with n injection valves through n oil delivery pipelines respectively, and each oil delivery pipeline is provided with a control valve.
6. The flowmeter jet lubrication system for meeting low temperature conditions of claim 5, wherein:
wherein, the control valve is the solenoid valve.
7. The flowmeter jet lubrication system for meeting low temperature conditions of claim 1, wherein:
wherein the injection valve is disposed in an injection tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320449399.6U CN219317577U (en) | 2023-03-10 | 2023-03-10 | Flowmeter metering jet lubrication system meeting low-temperature working condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320449399.6U CN219317577U (en) | 2023-03-10 | 2023-03-10 | Flowmeter metering jet lubrication system meeting low-temperature working condition |
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| Publication Number | Publication Date |
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| CN219317577U true CN219317577U (en) | 2023-07-07 |
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| CN202320449399.6U Active CN219317577U (en) | 2023-03-10 | 2023-03-10 | Flowmeter metering jet lubrication system meeting low-temperature working condition |
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| CN (1) | CN219317577U (en) |
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