CN115823468A - Automatic lubricating device for bearing - Google Patents
Automatic lubricating device for bearing Download PDFInfo
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Abstract
The invention relates to the technical field of bearing lubrication, and provides an automatic lubricating device for a bearing, which solves the problems of low production efficiency, small effective filling amount, high-altitude operation sometimes and the like when grease is filled in manual lubrication; the automatic lubricating system is a fully-closed lubricating system consisting of an automatic oil pump station assembly, a high-pressure resin oil pipe, an oil injection progressive distributor and pipeline accessories, wherein the progressive distributor respectively sends grease to each lubricating point according to the grease quantity required by each lubricating point so as to ensure accurate and sufficient lubrication of each point, and as the lubrication maintenance operation is carried out under the working state of the oil pumping unit, dirty grease can be effectively replaced through the millstone effect.
Description
Technical Field
The invention relates to the technical field of bearing lubrication and provides an automatic lubricating device for a bearing.
Background
The outdoor common automatic lubrication maintenance system is mainly used for large-scale mechanical equipment, has certain requirements on grease and service environment, and the lubricating system of the pumping unit starts earlier, and grease is injected at fixed points and timing by manpower or a high-pressure pump, but the popularization of the automatic bearing lubricating system of the pumping unit is restricted by frequent occurrence of problems such as effective injection amount, injection frequency, blockage and leakage, and the bearing lubrication of the pumping unit is mainly divided into two categories at present: manual lubrication and automatic lubrication; the manual lubrication is a lubrication mode of manually using a grease gun or a small booster pump to supply oil to a bearing part of the pumping unit point by point, and most of the bearings of the pumping unit are lubricated by the method at present, however, the manual lubrication has the following defects: the machine needs to be stopped for filling, the effective filling amount is small, the safety problem of high-altitude operation exists, the work is extremely inconvenient, and the equipment and the environment are polluted; in view of the above technical problem, the present application proposes a solution.
Disclosure of Invention
The invention relates to an automatic bearing lubricating device, which comprises an automatic oil pump station assembly with the output oil pressure of 10-15MPa, a high-pressure resin oil pipe, four independent adjustable quantitative oil injection progressive distributors and a fully-closed lubricating system consisting of pipeline accessories, wherein high-pressure lubricating grease is supplied to the progressive distributors by an automatic lubricating pump through a main pipeline, the progressive distributors respectively send the grease to each lubricating point according to the grease requirement of each lubricating point so as to ensure the accurate and sufficient lubrication of each point, the lubricating maintenance operation is carried out under the working state of an oil pumping unit, so that dirty grease can be effectively replaced through the millstone effect, the cleanness of the lubricating operation can be ensured no matter how severe the external conditions are, in addition, an electronic system in a control module can monitor the working state of the automatic lubricating device, the times of manual inspection are reduced, the cost is reduced, the timeliness and the accuracy of fault detection are also improved, the problems of influencing the production efficiency, small effective amount, high-altitude operation safety, inconvenient work and equipment and environment pollution during the grease injection are solved, and the automatic bearing lubricating device is provided.
The purpose of the invention can be realized by the following technical scheme: the bearing automatic lubricating device is suitable for an oil pumping unit and comprises a pump station shell, wherein the outer wall of the pump station shell is rotatably connected with a pump station box door, a support is fixedly arranged in the pump station shell, an automatic lubricating pump is fixedly arranged on the upper surface of the support, and the top end of the automatic lubricating pump is fixedly connected with an oil storage tank; the automatic lubrication pump side wall is communicated to the outside of the pump station shell through a pipeline, the progressive type distributor is fixedly connected to the outside of the pump station shell, an oil inlet of the progressive type distributor is connected with a pipeline extending out of the pump station shell, multiple groups of oil outlets on the outer wall of the progressive type distributor are fixedly connected with oil pipelines, the oil pipelines are fixedly connected to the outer side of the shaft seal shell, the oil pipelines are communicated to the inside of the shaft seal shell, the shaft seal shell is distributed on one side of a central bearing of the pumping unit, one side of a tailstock bearing of the pumping unit and two sides of a connecting rod seat bearing of the pumping unit, the pump station shell is fixedly installed at the bottom of the pumping unit, and the progressive type distributor is fixedly installed below the central bearing of the pumping unit.
As a preferred embodiment of the invention, a control assembly is fixedly installed on the inner wall of the pump station box door, the control assembly is in communication connection with the oil storage tank, and a control module is arranged in the control assembly.
As a preferred embodiment of the present invention, the control module includes a central control platform, a pressure monitoring unit, a troubleshooting unit, an external communication unit, and a consumable management unit, wherein the central control platform is in communication connection with the units; the pressure monitoring unit is used for detecting the liquid pressure in the automatic lubrication pump, the oil outlet and the oil conveying pipeline, comparing and analyzing the pressure in the automatic lubrication pump, the oil outlet and the oil conveying pipeline with a preset pressure threshold value, judging whether the pressure in the automatic lubrication pump, the oil outlet and the oil conveying pipeline meets the normal working requirement or not according to an analysis result, generating a corresponding pressure normal signal or a pressure abnormal signal, and sending the pressure normal signal or the pressure abnormal signal to the central control platform by the pressure monitoring unit; the system comprises a central control platform, a fault troubleshooting unit, a progressive distributor, a plurality of oil outlets and a fault location unit, wherein the fault troubleshooting unit is used for acquiring a pressure abnormal signal from the central control platform and generating a troubleshooting detection signal after acquiring the pressure abnormal signal; the consumable management unit is used for detecting the remaining service time of consumables in the shell of the pump station, wherein the consumables are divided into oil quantity and pipe fittings, the remaining available time of the oil quantity in the oil storage tank and the remaining service life of the pipe fittings are calculated, the consumable management unit plans a replacement route according to the remaining service time of the consumables of the plurality of oil pumping units, and sends the replacement route, the remaining available time of the oil quantity and the remaining service life of the pipe fittings to the central control unit; and the external communication unit is used for sending the replacement route, the oil amount remaining available time, the pipe fitting remaining service life and the fault position signal in the central control unit to the administrator equipment, and the manager confirms the signals and then works according to the replacement route.
As a preferred embodiment of the present invention, the troubleshooting unit analysis process is as follows: the fault elimination unit sequentially pressurizes oil for the oil outlets to obtain real-time pressure and oil outlet amount in the oil outlets, detects pressure change data and oil outlet amount data of the oil outlets during oil filling action, draws the pressure change data of each oil outlet during the oil filling action into a time-pressure line graph, wherein the abscissa is time t, the ordinate is pressure a, compares the pressure change line graph of each oil outlet during the oil filling action with the pressure change line graph of the oil outlet under a preset normal working condition, the abscissa of the pressure change line graph under the normal working condition is time t, the ordinate is pressure A, and calculates a corresponding pressure difference value at a time point ti
Calculating the curve deviation value X of the pressure change line graph at the oil outlet and the pressure change line graph under the normal working condition through a formula,
wherein k is a coefficient, the curve deviation value X is compared with a preset deviation threshold value X0, if the curve deviation value X is larger than or equal to the deviation threshold value X0, a fault position signal is generated, and the oil outlet corresponding to the curve is connectedAnd the oil pipeline connected with the oil outlet is marked as a fault position, and the fault troubleshooting unit sends a fault position signal and the marked fault position to the central control platform.
As a preferred embodiment of the present invention, the consumable management unit obtains the remaining oil amount in the oil storage tank, calculates the number of times that the remaining oil amount in the oil storage tank can be pumped according to the oil output amount pumped by the progressive dispenser for each time of oil injection, and obtains the time that the remaining oil amount can be used according to the time interval for pumping the grease each time multiplied by the number of times of pumping; the consumable management unit acquires the time point of replacing the pipe fitting, the acquisition mode is manually input by an administrator, the time is counted after the pipe fitting is replaced, and the residual service life of the pipe fitting is obtained through the difference value between the service time of the pipe fitting and the service life of the preset pipe fitting.
As a preferred embodiment of the present invention, the consumable management unit obtains the consumable remaining usage time of a plurality of pumping units, and marks pumping units whose consumable usage time is less than a preset usage time as pumping units to be maintained, and the consumable management unit calculates the shortest route which starts from a maintenance site and passes through all pumping units one by an exhaustion method, and marks the shortest route as a replacement route.
Compared with the prior art, the invention has the beneficial effects that: in the invention, grease is injected into the shaft seal shell through the progressive distributor, so that the lubricating and maintaining operation is carried out under the working state of the oil pumping unit, when new grease with pressure enters from one side of the shaft seal shell, the bearing is in a rolling working state, at the moment, the 'grinding disc effect' is very obvious, namely the new grease with pressure can replace all dirty grease among all moving surfaces one by one and finally all and then flow out from the other side, and therefore, the cleanness and the thoroughness of lubrication can be effectively realized.
In the invention, because the automatic lubricating system is totally closed, the automatic lubricating pump is connected into a closed system through the progressive distributor capable of adjusting the injection amount by a pipeline, the lubricating work is not influenced by any external influence, and the cleanness of the lubricating work can be ensured no matter how severe the external condition is.
According to the invention, through the cooperative processing of a plurality of units in the control module, the service lives of the oil storage tank residual oil quantity, the rubber hose and other pipe fittings can be effectively monitored, meanwhile, the automatic lubricating system of the bearing in work can be comprehensively monitored, and system faults can be timely found, so that the frequency of manual inspection is reduced, and the automation level is further improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a control assembly of the present invention;
FIG. 3 is a schematic view of an installation location of an oil pipeline according to the present invention;
fig. 4 is a block diagram of the system of the present invention.
In the figure: 1. a pump station housing; 2. an oil storage tank; 3. a shaft seal housing; 4. an oil pipeline; 5. a progressive distributor; 6. an oil outlet; 7. an automatic lubrication pump; 8. a support; 9. a pump station box door; 10. a control assembly; 11. a central bearing of the oil pumping unit; 12. a tail seat bearing of the oil pumping unit; 13. and a connecting rod seat bearing of the pumping unit.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the starting of the lubricating system of the oil pumping unit is earlier, the grease is injected at fixed points and timing by manpower or a high-pressure pump, but the problems of effective injection amount, injection frequency, blockage, leakage and the like frequently occur, so that the popularization of the automatic bearing lubricating system of the oil pumping unit is restricted, and the bearing lubrication of the oil pumping unit is mainly divided into two categories at present: manual lubrication and automatic lubrication, wherein the manual lubrication has many disadvantages, there is a need for an automatic lubrication device to replace manual lubrication work.
Referring to fig. 1-4, the bearing automatic lubrication device is suitable for an oil pumping unit, and includes a pump station housing 1, a pump station box door 9 is rotatably connected to the outer wall of the pump station housing 1, a support 8 is fixedly installed inside the pump station housing 1 and used for supporting an automatic lubrication pump 7 off the ground, so as to perform the waterproof and moistureproof functions on the automatic lubrication pump 7, the automatic lubrication pump 7 is fixedly installed on the upper surface of the support 8, and an oil storage tank 2 is fixedly connected to the top end of the automatic lubrication pump 7; the side wall of an automatic lubricating pump 7 is communicated to the outside of a pump station shell 1 through a pipeline, a progressive distributor 5 is fixedly connected to the outside of the pump station shell 1, for a common positive displacement and damping quantitative oil injector, the inside of the common positive displacement and damping quantitative oil injector is provided with a rubber part sliding friction soft seal, the common positive displacement and damping quantitative oil injector is not suitable for wide working environment temperature, is extremely easy to wear, is extremely easy to leak, has short service life and inaccurate oil injection precision, the progressive distributor 5 can solve the problems, an oil inlet of the progressive distributor 5 is connected with a pipeline extending out of the pump station shell 1, a plurality of groups of oil outlets 6 on the outer wall of the progressive distributor 5 are fixedly connected with oil pipelines 4, the oil pipelines 4 are rubber hoses, the oil pipelines 4 are fixedly connected to the outer side of a shaft seal shell 3, and the oil pipelines 4 are communicated to the inside of the shaft seal shell 3, through oil pipeline 4 to 3 inside grease conveying of bearing seal shell, and in the working face clearance of bearing is impressed the butter, bearing seal shell 3 distributes in 11 one sides of beam-pumping unit central bearing, beam-pumping unit tailstock bearing 12 one side and beam-pumping unit connecting rod seat bearing 13 both sides, thereby play the self-lubricate effect to the bearing of above-mentioned position simultaneously, 1 fixed mounting in the beam-pumping unit bottom of pump station shell, be convenient for the staff to look over or to filling the butter in oil storage tank 2, 5 fixed mounting of formula distributor that progressively is in 11 below of beam-pumping unit central bearing, shorten oil pipeline 4's length, thereby sparingly establish the device material, 9 inner wall fixed mounting of pump station chamber door has control assembly 10, control assembly 10 and 2 communication connection of oil storage tank, control assembly 10 is inside to include control module, be used for controlling 7 oil of self-lubricate pump.
In this embodiment, the device is a fully-closed constant-pressure timing and quantitative dispensing system for lubricating grease, and the grease supply amount at the outlet of the adjustable quantitative progressive dispenser 5 is constant and the pressure is equal. The power of the system is derived from an automatic lubricating pump 7, after being pumped out from the pump, lubricating grease is sent to a progressive distributor 5 through a main connecting pipeline, the progressive distributor 5 supplies grease to each lubricating point according to the designed amount, when new grease with high pressure enters a bearing in work in sufficient amount, the deteriorated dirty grease can be completely discharged along a shaft seal under the effect of a grinding disc, and the lubricating process is ended. The automatic lubricating pump 7 can drive to output high-pressure grease of 10-15MPa at regular time through timing pulse electric energy, and the progressive distributor 5 outputs quantitative grease according to each stroke design, so that supply at regular time, quantity and fixed point is realized.
The second embodiment:
referring to fig. 1-4, the control module includes a central control platform, a pressure monitoring unit, a troubleshooting unit, an external communication unit, and a consumable management unit, wherein the central control platform is communicatively connected to the units; the pressure monitoring unit is used for detecting the liquid pressure inside the automatic lubrication pump 7, the oil outlet 6 and the oil conveying pipeline 4, comparing and analyzing the pressure inside the automatic lubrication pump 7, the oil outlet 6 and the oil conveying pipeline 4 with a preset pressure threshold value, because the bearing automatic lubrication device is a constant-pressure device, the pressure under normal work should have a constant value, and by judging the difference between the pressure and the constant value, whether the pressure inside the automatic lubrication pump 7, the oil outlet 6 and the oil conveying pipeline 4 meets the normal work requirement can be analyzed according to the difference result, and a corresponding pressure normal signal or a pressure abnormal signal is generated, and the pressure monitoring unit sends the pressure normal signal or the pressure abnormal signal to the central control platform; the troubleshooting unit is arranged in obtaining pressure abnormal signal from the accuse platform, and produce the investigation detection signal and send it to the well accuse platform after obtaining pressure abnormal signal, the well accuse platform obtains control pressure monitoring unit and carries out pressure monitoring to a plurality of oil-outs 6 after the investigation detection signal, troubleshooting unit control progressive distributor 5 pressurizes the pump oil to a plurality of oil-outs 6 in proper order simultaneously, and gather the oil output in oil-out 6 in real time when the pump oil, the troubleshooting unit carries out the analysis to pressure and oil output, troubleshooting unit analytic process is as follows: the fault elimination unit sequentially pressurizes and pumps oil to the oil outlets 6 to obtain real-time pressure and oil outlet of the oil outlets 6Measuring pressure change data and oil output data of the oil outlets 6 during oil filling, drawing the pressure change data of each oil outlet 6 during oil filling into a time-pressure line graph, wherein the abscissa is time t and the ordinate is pressure a, comparing the pressure change line graph of each oil outlet 6 during oil filling with a preset pressure change line graph of the oil outlet 6 under normal working conditions, the abscissa of the pressure change line graph under normal working conditions is time t and the ordinate is pressure A, and calculating corresponding pressure difference values at time points ti
The curve deviation value X of the pressure change line graph at the oil outlet 6 and the pressure change line graph under the normal working condition is calculated by a formula,
the curve deviation value X is compared with a preset deviation threshold value X0, if the curve deviation value X is larger than or equal to the deviation threshold value X0, a fault position signal is generated, an oil outlet 6 corresponding to the curve and an oil conveying pipeline 4 connected with the oil outlet 6 are marked as fault positions, a fault troubleshooting unit sends the fault position signal and the marked fault positions to a central control platform, and the central control platform sends the fault position signal and the marked fault positions to checking equipment of a manager through an external communication unit; the consumable management unit is used for detecting the remaining service time of consumable in the pump station shell 1, wherein the consumable is divided into the remaining oil quantity in the oil storage tank 2 and the pipe fitting of the oil conveying pipeline 4, the consumable management unit acquires the remaining oil quantity in the oil storage tank 2, the times of pumping the remaining oil quantity in the oil storage tank 2 are calculated according to the oil output quantity pumped by the progressive distributor 5 for each time of oil injection, the time of using the remaining oil quantity is acquired according to the time interval of pumping butter and the times of pumping the oil every time, the consumable management unit acquires the time point of replacing the pipe fitting, the acquisition mode is manual input by an administrator, the time is counted after the pipe fitting is replaced, the remaining service life of the pipe fitting is obtained through the difference between the service time of the pipe fitting and the preset service life of the pipe fitting, and the consumable pipe fitting is usedThe method comprises the following steps that a management unit obtains consumable remaining service time of a plurality of pumping units, the pumping units with the consumable service time being less than preset service time are marked as pumping units to be maintained, a consumable management unit calculates the shortest routes starting from a maintenance site and passing through all the pumping units one by one through an exhaustion method, the shortest routes are marked as replacement routes, and the walking routes of workers during maintenance of the consumable of the pumping units can be greatly shortened through the replacement routes, so that the working efficiency is improved, the working cost is saved, and the replacement routes, the oil quantity remaining available time and the pipe fitting remaining service life are sent to a central control unit; the external communication unit is used for sending signals of a replacement route, the oil amount remaining usable time, the pipe fitting remaining service life and the fault position in the central control unit to the administrator device, so that the administrator device can conveniently check the signals and work according to the replacement route after the signals are confirmed by the administrator.
In the invention, the bearing automatic lubricating device is a fully-closed lubricating system consisting of an automatic oil pump station assembly with the output oil pressure of 10-15MPa, a high-pressure resin oil pipe, four independent adjustable quantitative oil injection progressive distributors 5 and pipeline accessories, high-pressure lubricating grease is supplied to the progressive distributors 5 by an automatic lubricating pump 7 through a main pipeline, the progressive distributors 5 respectively send the grease to each lubricating point according to the grease quantity required by each lubricating point so as to ensure the accurate and sufficient lubrication of each point, and because the lubricating maintenance operation is carried out under the working state of the oil pumping unit, the grease can be effectively replaced through the millstone effect, and the cleanness of the lubricating operation can be ensured no matter how severe the external conditions are, in addition, an electronic system in a control module can monitor the working state of the automatic lubricating device, the times of manual inspection are reduced, the cost is reduced, and the timeliness and the accuracy of fault detection are improved.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
In the description herein, references to the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The bearing automatic lubricating device is suitable for an oil pumping unit and comprises a pump station shell (1) and is characterized in that the outer wall of the pump station shell (1) is rotatably connected with a pump station box door (9), a support (8) is fixedly arranged in the pump station shell (1), an automatic lubricating pump (7) is fixedly arranged on the upper surface of the support (8), and the top end of the automatic lubricating pump (7) is fixedly connected with an oil storage tank (2); the side wall of the automatic lubricating pump (7) is communicated to the outside of the pump station shell (1) through a pipeline, and the pump station shell (1) is fixedly connected with a progressive distributor (5) in the outside, an oil inlet of the progressive distributor (5) is connected with a pipeline extending out of the pump station shell (1), oil pipelines (4) are fixedly connected with a plurality of groups of oil outlets (6) on the outer wall of the progressive distributor (5) and are respectively connected with an oil conveying pipeline (4), the oil conveying pipelines (4) are fixedly connected to the outer side of the shaft seal shell (3), the oil conveying pipelines (4) are communicated to the inside of the shaft seal shell (3), the shaft seal shell (3) is distributed on one side of a central bearing (11) of the oil pumping unit, one side of a tailstock bearing (12) of the oil pumping unit and two sides of a connecting rod seat bearing (13) of the oil pumping unit, the pump station shell (1) is fixedly installed at the bottom of the oil pumping unit, and the progressive distributor (5) is fixedly installed below the central bearing (11) of the oil pumping unit.
2. The automatic bearing lubricating device according to claim 1, characterized in that a control assembly (10) is fixedly mounted on the inner wall of the pump station box door (9), the control assembly (10) is in communication connection with the oil storage tank (2), and a control module is arranged in the control assembly (10).
3. The automatic bearing lubrication device according to claim 2, wherein the control module comprises a central control platform, a pressure monitoring unit, a troubleshooting unit, an external communication unit and a consumable management unit, wherein the central control platform is in communication connection with the units; the pressure monitoring unit is used for detecting the liquid pressure inside the automatic lubricating pump (7), the oil outlet (6) and the oil conveying pipeline (4), comparing and analyzing the pressure inside the automatic lubricating pump (7), the oil outlet (6) and the oil conveying pipeline (4) with a preset pressure threshold value, judging whether the pressure inside the automatic lubricating pump (7), the oil outlet (6) and the oil conveying pipeline (4) meets the normal working requirement or not according to an analysis result, generating a corresponding pressure normal signal or pressure abnormal signal, and sending the pressure normal signal or the pressure abnormal signal to the central control platform by the pressure monitoring unit; the fault troubleshooting unit is used for acquiring a pressure abnormal signal from the central control platform and generating a troubleshooting detection signal after acquiring the pressure abnormal signal, the fault troubleshooting unit controls the progressive distributor (5) to sequentially pressurize the oil to the oil outlets (6) and acquires the pressure and the oil output quantity in the oil outlets (6) in real time when the oil is pumped, the fault troubleshooting unit analyzes the pressure and the oil output quantity to generate a fault position signal and sends the fault position signal to the central control platform; the consumable management unit is used for detecting the remaining service time of consumables in a pump station shell (1), wherein the consumables are divided into oil quantity and pipe fittings, and calculating the remaining available time of the oil quantity in an oil storage tank (2) and the remaining service life of the pipe fittings, the consumable management unit plans a replacement route according to the remaining service time of the consumables of the plurality of oil pumping units, and sends the replacement route, the remaining available time of the oil quantity and the remaining service life of the pipe fittings to the central control unit; and the external communication unit is used for sending the replacement route, the oil quantity remaining usable time, the pipe fitting remaining service life and the fault position signal in the central control unit to the administrator equipment, and working according to the replacement route after the administrator confirms the signals.
4. The automatic bearing lubrication device according to claim 3, wherein the troubleshooting unit analysis process is as follows: the fault elimination unit sequentially pressurizes and pumps oil for the oil outlets (6), real-time pressure and oil output of the oil outlets (6) are obtained, pressure change data and oil output data of the oil outlets (6) during oil injection are detected, the pressure change data of each oil outlet (6) during oil injection are drawn into a time-pressure line graph, the abscissa is time t, the ordinate is pressure a, the pressure change line graph of each oil outlet (6) during oil injection is compared with a preset pressure change line graph of the oil outlets (6) under normal working conditions, the abscissa of the pressure change line graph under the normal working conditions is time t, the ordinate of the pressure change line graph under the normal working conditions is pressure A, and corresponding pressure difference values at time points are calculated
The curve deviation value X of the pressure change line graph at the oil outlet (6) and the pressure change line graph under the normal working condition is calculated through a formula,
wherein k is a coefficient, comparing the curve deviation value X with a preset deviation threshold value X0, if the curve deviation value X is larger than or equal to the deviation threshold value X0, generating a fault position signal, and marking an oil outlet (6) corresponding to the curve and an oil pipeline (4) connected with the oil outlet (6) as fault positions, so as to solve the problem that the fault position signal is generated when the oil outlet (6) is connected with the oil pipeline (4) and the fault position signal is generated when the oil outlet (6) is not connected with the oil pipeline (4) and the fault position signal is generated when the oil outlet is not connected with the oil pipeline (4) and the fault position signal is not connected with the oil pipeline (6) and the fault position signal is not transmitted to the oil pipeline (4) and the fault position signal is not transmitted to the oil pipeline (6)And the fault troubleshooting unit sends the fault position signal and the marked fault position to the central control platform.
5. The automatic bearing lubrication device according to claim 3, wherein the consumable management unit obtains the amount of oil remaining in the oil storage tank (2), calculates the number of times the amount of oil remaining in the oil storage tank (2) can be pumped according to the amount of oil pumped by the progressive distributor (5) during each oiling, and obtains the time the amount of oil remaining can be used according to the time interval of pumping the grease each time multiplied by the number of times of pumping; the consumable management unit acquires the time point of replacing the pipe fitting, the acquisition mode is manually input by an administrator, the time is counted after the pipe fitting is replaced, and the residual service life of the pipe fitting is obtained through the difference value between the service time of the pipe fitting and the service life of the preset pipe fitting.
6. The automatic bearing lubrication device according to claim 3, wherein the consumable management unit obtains consumable remaining service time of a plurality of pumping units, and marks pumping units with consumable service time less than preset service time as pumping units to be maintained, the consumable management unit calculates the shortest route starting from a maintenance site and passing through all pumping units one by one through an exhaustion method, and marks the shortest route as a replacement route.
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| CN216556410U (en) * | 2021-11-25 | 2022-05-17 | 郑州奥特科技有限公司 | Centralized lubricating system |
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