CN109579903A - Concrete equipment plugging diagnostic method and device - Google Patents
Concrete equipment plugging diagnostic method and device Download PDFInfo
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- CN109579903A CN109579903A CN201811365844.0A CN201811365844A CN109579903A CN 109579903 A CN109579903 A CN 109579903A CN 201811365844 A CN201811365844 A CN 201811365844A CN 109579903 A CN109579903 A CN 109579903A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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Abstract
The invention discloses a kind of concrete equipment plugging diagnostic method and devices, this method comprises: the overpressure alarm signal that the hydraulic system of pump for obtaining concrete equipment is sent；The pumping for acquiring concrete equipment controls signal, and it detects after hydraulic system of pump sends overpressure alarm signal, whether occur in pumping control signal from dredging control signal, in the case where detecting the overpressure alarm signal that the hydraulic system of pump for still getting concrete equipment within the dredging control signal third time is sent, concrete equipment plugging is judged；Wherein, include: to send termination of pumping signal in first time after hydraulic system of pump sends overpressure alarm signal from dredging control signal, then send anti-pump signal and continued for the second time, retransmit starting automatic pumping signal.This method combines pumping control signal and corresponding time quickly to judge whether equipment occurs plugging by identification overpressure alarm signal, avoids the problem that the improper operation aggravation plugging after having occurred and that plugging.
Description
Technical field
The present invention relates to concrete equipment diagnosis, and in particular, to a kind of concrete equipment plugging diagnostic method and device.
Background technique
With the fast development of Concrete Industry, concrete raw material constantly exploits bring natural resources scarcity, so that
Concrete raw material substitute continues to develop, and the application of the substitutes such as mechanism aggregate, slag is increasing, new to match concrete institute
Bring pumping difficulty is increasing, is easy to happen plugging.Plugging influences whether the usage experience of client and reduces to equipment
Satisfaction.The adaptability for working condition of concrete pumping equipment is in urgent need to be improved.
Pumping system is the core of entire concrete pumping equipment.Its performance superiority and inferiority is the key that measure overall performance to refer to
Mark, during pump concrete, when plugging occurs, pumping system can generate superpressure, be adopted using plugging diagnostic method to system
The equipment working condition data of collection are analyzed, and judge plugging, and targetedly formulate corresponding control strategy, and prevention occurs stifled again
Pipe improves pump-conveying property.
Summary of the invention
The object of the present invention is to provide a kind of concrete equipment plugging diagnostic method and devices, and this method is by getting
After the overpressure alarm signal that the hydraulic system of pump of concrete equipment is sent, whether occur dredging certainly in detection pumping control signal
Signal is controlled, it is specifically, interior at the first time after the hydraulic system of pump sends overpressure alarm signal to send termination of pumping signal, with
After send anti-pump signal and continued for the second time, retransmit and still get concrete in the starting automatic pumping signal third time and set
In the case where the overpressure alarm signal that standby hydraulic system of pump is sent, concrete equipment plugging is judged.This method passes through identification
Overpressure alarm signal combines pumping control signal and corresponding time quickly to judge whether equipment occurs plugging, avoids sending out
The problem of improper operation aggravates plugging after raw plugging.
To achieve the goals above, the present invention provides a kind of concrete equipment plugging diagnostic method, this method comprises:
Obtain the overpressure alarm signal that the hydraulic system of pump of concrete equipment is sent；
The pumping for acquiring concrete equipment controls signal, and detects and send overpressure alarm signal in the hydraulic system of pump
Afterwards, whether occur dredging control signal certainly in the pumping control signal, it is described from when dredging control signal third detecting
In the case where the overpressure alarm signal that the interior hydraulic system of pump for still getting concrete equipment is sent, concrete equipment is judged
Plugging；
Wherein, the control signal of dredging certainly includes: first after the hydraulic system of pump sends overpressure alarm signal
Termination of pumping signal is sent in time, anti-pump signal is then sent and continued for the second time, retransmits starting automatic pumping signal.
Preferably, this method further include:
Detect hydraulic system of pump pressure；
The hydraulic system of pump pressure of the acquisition is compared with pressure threshold, in the hydraulic system of pump
In the case that pressure is greater than the pressure threshold, hydraulic system of pump superpressure is judged.
Preferably, this method further include:
After hydraulic system of pump transmission overpressure alarm signal, detect to control in signal occur described in setting time certainly
The hydraulic system of pump has not been obtained in the 4th time after dredging control signal and sends the overpressure alarm signal, judges coagulation
From success is dredged, concrete equipment plugging problem has excluded indigenous equipment.
Preferably, this method further include:
After hydraulic system of pump transmission overpressure alarm signal, detect to control in signal occur described in setting time certainly
Determine that the hydraulic system of pump pressure is less than the pressure threshold, pumps hydraulic system in the 4th time after dredging control signal
The non-superpressure of system judges concrete equipment from success is dredged, and concrete equipment plugging problem has excluded.
Preferably, this method further include:
After judging concrete equipment plugging, the working condition signal of the concrete equipment before and after acquisition plugging in the 5th time；
According to the work information of the concrete equipment in the 5th time before and after the plugging of acquisition be associated analysis with
Adjust the control logic of the hydraulic system of pump, wherein the control logic of the hydraulic system of pump includes: adjustment pumping oil
The movement speed and/or adjustment pumping oil cylinder of cylinder and sequence of movement and the actuation time interval for distributing oscillating oil cylinder.
Preferably, this method further include:
Concrete equipment plugging information is stamped into timestamp and is sent to control centre, wherein stamps the described mixed of timestamp
Solidifying indigenous equipment plugging information includes: the overpressure alarm signal with timestamp, the concrete equipment plugging with timestamp
Judge information, in the plugging the 5th time of front and back from dredging control result information, with timestamp with timestamp
The number information of the working condition signal of concrete equipment and the concrete equipment.
The present invention also provides a kind of concrete equipment plugging diagnostic device, which includes:
Data acquisition unit, the overpressure alarm signal that the hydraulic system of pump for obtaining concrete equipment is sent；
Controller, the pumping for acquiring concrete equipment controls signal, and detects and send in the hydraulic system of pump
After overpressure alarm signal, the pumping controls whether occur detecting the dredging control certainly from control signal is dredged in signal
The overpressure alarm letter that the hydraulic system of pump that the data acquisition still gets concrete equipment in the signal third time processed is sent
In the case where number, concrete equipment plugging is judged；
Wherein, the control signal of dredging certainly includes: first after the hydraulic system of pump sends overpressure alarm signal
Termination of pumping signal is sent in time, anti-pump signal is then sent and continued for the second time, retransmits starting automatic pumping signal.
Preferably, the data acquisition unit is also used to detect hydraulic system of pump pressure；
The hydraulic system of pump pressure and pressure threshold that the controller is also used to acquire the data acquisition unit
Value is compared, and in the case where the hydraulic system of pump pressure is greater than the pressure threshold, judges that hydraulic system of pump is super
Pressure.
Preferably, the controller is also used to after the hydraulic system of pump sends overpressure alarm signal, detects control
Occur after the setting time control signal from dredging in signal processed the data acquisition unit in 4th time have not been obtained it is described
Hydraulic system of pump sends the overpressure alarm signal, judges that concrete equipment dredges success, concrete equipment plugging problem certainly
It has excluded.
Preferably, the controller is also used to after the hydraulic system of pump sends overpressure alarm signal, detects control
Appearance setting time is described in signal processed determines that the hydraulic system of pump pressure does not surpass in the 4th time from after dredging control signal
The pressure threshold is crossed, the non-superpressure of hydraulic system of pump judges that concrete equipment dredges success, concrete equipment plugging problem certainly
It has excluded.
Preferably, the data acquisition unit is also used to after the control judges concrete equipment plugging, acquires plugging
The working condition signal of concrete equipment in the 5th time of front and back；
It is mixed in the 5th time before and after the plugging that the controller is also used to be acquired according to the data acquisition unit
The work information of solidifying indigenous equipment is associated analysis to adjust the control logic of the hydraulic system of pump, wherein the pumping
The control logic of hydraulic system includes: to adjust the movement speed of pumping oil cylinder and/or adjust pumping oil cylinder and distribute oscillating oil cylinder
Sequence of movement and actuation time interval.
Preferably, the device further include:
Communication unit is sent to control centre for concrete equipment plugging information to be stamped timestamp, wherein when stamping
Between the concrete equipment plugging information stabbed include: the overpressure alarm signal with timestamp, it is mixed with timestamp
Solidifying indigenous equipment plugging judges information, the plugging front and back from dredging control result information, with timestamp with timestamp
The working condition signal of concrete equipment in 5th time and the number information of the concrete equipment.
Through the above technical solutions, the overpressure alarm signal sent in the hydraulic system of pump for getting concrete equipment
Afterwards, whether occur specifically, sending superpressure in the hydraulic system of pump from control signal is dredged in detection pumping control signal
It is interior at the first time after alarm signal to send termination of pumping signal, it then sends anti-pump signal and continued for the second time, retransmit starting certainly
The case where overpressure alarm signal of hydraulic system of pump transmission of concrete equipment is still got in the dynamic pump signal third time
Under, judge concrete equipment plugging.This method combines pumping control signal and corresponding time by identification overpressure alarm signal
Quickly judge whether equipment occurs plugging, avoids the problem that the improper operation aggravation plugging after having occurred and that plugging.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of basic flow chart of concrete equipment plugging diagnostic method provided by the invention；
Fig. 2 is a kind of flow chart of concrete equipment plugging diagnostic method provided by the invention；
Fig. 3 is a kind of structural schematic diagram of concrete equipment plugging diagnostic device provided by the invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The noun of locality in the present invention, in the absence of explanation to the contrary, used such as " upper and lower, left and right ", " interior,
Outside ", " remote, close " refers to the direction with reference to attached drawing, and therefore, use direction term is for illustrating not to be to limit the present invention.
Fig. 1 shows a kind of basic procedure of concrete equipment plugging diagnostic method provided by the invention
Figure, as shown in Figure 1, can be believed by the overpressure alarm to concrete equipment when whether diagnosis concrete equipment occurs plugging
Number, pumping control signal and the corresponding time carry out comprehensive analysis.When plugging occurs, the hydraulic system of pump of concrete equipment can be produced
Raw overpressure alarm signal, therefore, superpressure and processing mode can directly react plugging situation.Specifically, hydraulic system of pump is sent out
After raw superpressure, the hydraulic system of pump of concrete equipment sends overpressure alarm signal, can be in the pump for getting concrete equipment
After the overpressure alarm signal for sending hydraulic system to send, the pumping for further acquiring concrete equipment controls signal, detects described
After hydraulic system of pump transmission overpressure alarm signal, whether occur dredging certainly from control signal is dredged in the pumping control signal
Logical control signal includes: to send termination of pumping signal in first time after the hydraulic system of pump sends overpressure alarm signal, with
After send anti-pump signal and continued for the second time, retransmit starting automatic pumping signal.It is above-mentioned from dredging control letter detecting
If remaining to get the overpressure alarm signal that the hydraulic system of pump of concrete equipment is sent in the third time after number, coagulation is judged
Plugging occurs for indigenous equipment.Wherein, it is set if concrete is not detected in the third time after detecting the above-mentioned control signal from dredging
Standby hydraulic system of pump sends overpressure alarm signal, then judges that concrete equipment occurs in pumping control signal from dredging control
Only occur On The Problem Of Overpressure before signal processed and do not occur plugging problem, and pressure is normal at present, or goes out in pumping control signal
Now there is plugging problem from before dredging control signal, and only by once eliminating the plugging problem from purge operation.
The hydraulic system of pump of concrete equipment is got in the third time after detecting the above-mentioned control signal from dredging
After the overpressure alarm signal of transmission, judge that plugging problem occurs in concrete equipment.Further going out in detection pumping control signal
Now setting time is within the 4th time after dredging control signal, if hydraulic system of pump, which has not been obtained, sends overpressure alarm signal,
Concrete equipment is judged from success is dredged, and concrete equipment plugging problem has excluded.Wherein, judging that it is stifled that concrete equipment occurs
Guan Hou can carry out the secondary dredging control certainly of setting, and the setting time dredges the control time less than the first termination of pumping time certainly.For example,
No more than 3 times from dredging control, second from dredging control or third time from being had not been obtained in the 4th time after dredging control
The overpressure alarm signal is sent to the hydraulic system of pump, judges concrete equipment from success is dredged, concrete equipment is stifled
Pipe problem has excluded.
The hydraulic system of pump of concrete equipment is got in the third time after detecting the above-mentioned control signal from dredging
After the overpressure alarm signal of transmission, judge that plugging problem occurs in concrete equipment.Further going out in detection pumping control signal
Now setting time is within the 4th time after dredging control signal, if remaining to get the overpressure alarm letter of hydraulic system of pump transmission
Number, for example, the super of hydraulic system of pump transmission can be got from after dredging control every time completing 3 times from after dredging control
Alarm signal is pressed, judges that the plugging problem can not be solved by controlling from dredging,.From the dredging control time and tear open the pipe dredging time
The sum of should be less than for the second termination of pumping time.In the case where dredging control certainly is with pipe dredging completion within the second termination of pumping time is torn open, by
The concrete equipment continues pumpdown.If being greater than for the second termination of pumping time with the sum of pipe dredging time is torn open from the dredging control time,
It will affect job scheduling, the plugging equipment can be replaced to continue pumpdown by other concrete equipments.
Fig. 2 shows a kind of flow charts of concrete equipment plugging diagnostic method provided by the invention, as shown in Fig. 2, should
Diagnostic method can also acquire in real time hydraulic system of pump in the case where concrete equipment can not send overpressure alarm signal
Pressure value, and collected hydraulic system of pump pressure is compared with pressure threshold, in the hydraulic system of pump pressure
In the case where greater than the pressure threshold, hydraulic system of pump superpressure is judged, send overpressure alarm signal.It is stifled in concrete equipment
During pipe diagnosis, the comparison result by hydraulic system of pump pressure described above with the pressure threshold, pumping can be passed through
It controls signal and the corresponding time carries out comprehensive analysis.Analytical procedure is identical as above-mentioned analytical procedure.
After judging that plugging occurs for concrete equipment, the concrete equipment in plugging the 5th time of front and back can also be acquired
Working condition signal, the working condition signal may include work gear information, engine speed information and the main pump row of concrete equipment
Current information is measured, machine learning is passed through according to the work information of the concrete equipment in the 5th time before and after the plugging of acquisition
Analysis is associated to adjust the control logic of the hydraulic system of pump, for example, the movement speed of adjustment pumping oil cylinder and/or
It adjusts pumping oil cylinder and distributes sequence of movement and the actuation time interval of oscillating oil cylinder.Wherein, pumping oil cylinder be can be with by two
Realize the oil cylinder composition of synchronous backward movement.It drives concrete piston movement.A piece oil cylinder realizes concrete sucking, another oil cylinder
Realize concrete projecting motion.Distribution oscillating oil cylinder is made of two oil cylinders, can drive distribution valve events, cooperates pumping oil cylinder
Sequence of movement realizes concrete sucking and projecting motion.
Fig. 3 shows a kind of structural schematic diagram of concrete equipment plugging diagnostic device provided by the invention, such as Fig. 3 institute
Show, the apparatus may include controllers and data acquisition unit, and wherein the data acquisition unit can be set by obtaining concrete
The overpressure alarm signal that standby hydraulic system of pump is sent, the controller can get concrete equipment in data acquisition unit
The overpressure alarm signal that sends of hydraulic system of pump after, control data acquisition unit further acquires the pumping of concrete equipment
Signal is controlled, whether detection occurs in the pumping control signal after the hydraulic system of pump sends overpressure alarm signal
Signal is controlled from dredging, includes: when first after the hydraulic system of pump sends overpressure alarm signal from dredging control signal
Interior transmission termination of pumping signal then sends anti-pump signal and continued for the second time, retransmits starting automatic pumping signal.It is detecting
If remaining to get the super of the hydraulic system of pump transmission of concrete equipment after to the above-mentioned control signal from dredging in the third time
Alarm signal is pressed, controller judges that plugging occurs for concrete equipment.Wherein, if the after detecting the above-mentioned control signal from dredging
The hydraulic system of pump that concrete equipment is not detected in three times sends overpressure alarm signal, and controller then judges that concrete is set
Standby occur only occurring On The Problem Of Overpressure from before dredging control signal in pumping control signal not occurring plugging problem, and pressure at present
Power is normal, or occurs plugging problem occur before dredging controls signal certainly pumping to control in signal, and only pass through once certainly
Purge operation eliminates the plugging problem.
It is detected in data acquisition unit and gets concrete equipment in the third time after the above-mentioned control signal from dredging
After the overpressure alarm signal that hydraulic system of pump is sent, controller judges that plugging problem occurs in concrete equipment.Further detection
There is setting time within the 4th time after dredging control signal in pumping control signal, if hydraulic system of pump hair has not been obtained
Overpressure alarm signal is sent, controller then judges concrete equipment from success is dredged, and concrete equipment plugging problem has excluded.Its
In, after judging that plugging occurs for concrete equipment, setting time can be carried out from dredging control, and the setting time is from when dredging control
Between less than the first termination of pumping time.For example, controlling from dredging no more than 3 times, dredges for the second time from dredging control or for the third time certainly
The hydraulic system of pump has not been obtained in the 4th time after logical control and sends the overpressure alarm signal, controller judges coagulation
From success is dredged, concrete equipment plugging problem has excluded indigenous equipment.
It is detected in data acquisition unit and gets concrete equipment in the third time after the above-mentioned control signal from dredging
After the overpressure alarm signal that hydraulic system of pump is sent, controller judges that plugging problem occurs in concrete equipment.Further detection
There is setting time within the 4th time after dredging control signal in pumping control signal, if remaining to get hydraulic system of pump
The overpressure alarm signal of transmission, for example, can get pumping from after dredging control every time completing 3 times from after dredging control
The overpressure alarm signal that hydraulic system is sent, controller judge that the plugging problem can not be solved by controlling from dredging,.From dredging
The control time should be less than for the second termination of pumping time with the sum of pipe dredging time is torn open.It is being dredged from dredging control with pipe is torn open in the second termination of pumping
In the case where completing in time, pumpdown is continued by the concrete equipment.If from the dredging control time and tearing open the pipe dredging time
The sum of be greater than the second termination of pumping time, will affect job scheduling, can by other concrete equipments replace the plugging equipment continuation
Pumpdown.
In the case where concrete equipment can not send overpressure alarm signal, big warm up of data acquisition can also acquire pump in real time
The pressure value of hydraulic system is sent, controller carries out the collected hydraulic system of pump pressure of data acquisition unit and pressure threshold
Compare, in the case where the hydraulic system of pump pressure is greater than the pressure threshold, judges hydraulic system of pump superpressure, send
Overpressure alarm signal.Concrete equipment plugging diagnosis during, can by by hydraulic system of pump pressure described above with
Comparison result, pumping control signal and the corresponding time of the pressure threshold carry out comprehensive analysis.Analytical procedure and above-mentioned analysis
Step is identical.
It can be super according to signal generation time by communication unit after controller judges a certain concrete equipment plugging
Pressure alarm signal and concrete equipment plugging judge that information stamps timestamp, then communication unit will have the overpressure alarm of timestamp
Signal and concrete equipment plugging with timestamp judge that the number information of information and the concrete equipment is sent in control
The heart, so that control centre understands each concrete equipment state in scene at the first time.Setting time is completed from dredging in concrete equipment
After control, by communication unit according to signal generation time to stamp timestamp from dredging control result information, and sometimes by band
Between the operating condition from the concrete equipment in the 5th time before and after dredging control result information, the plugging with timestamp stabbed
Signal is sent to control centre.Control centre can be that controller judges that plugging problem can not be by certainly from dredging control result
In the case that dredging control solves, maintenance instructions are sent to corresponding maintenance personal so that maintenance personal goes to scene to tear open rapidly
Pipe dredging.It wherein may include the concrete equipment plugging information with timestamp in the maintenance instructions.
After judging that plugging occurs for concrete equipment, fiveth time can also be acquired before and after plugging by data acquisition unit
The working condition signal of interior concrete equipment, the working condition signal may include the work gear information of concrete equipment, engine turn
Fast information and discharge of main pump current information, according to the operating condition of the concrete equipment in the 5th time before and after the plugging of acquisition
Information is associated analysis by the machine learning of controller to adjust the control logic of the hydraulic system of pump, for example, adjusting
The movement speed and/or adjustment pumping oil cylinder of whole pumping oil cylinder and sequence of movement and the actuation time interval for distributing oscillating oil cylinder.
Whenever occur judge concrete equipment plugging after, controller will adjust automatically pump system control logic, prevent block up next time
Pipe occurs.Dynamic corrections are carried out to key control parameter using self-learning function simultaneously, improve the adaptability of control strategy.
Judge plugging and targetedly formulation control strategy prevents that plugging occurs again.Remind client in time to equipment into
Row checks.Replace vulnerable part.According to the hydraulic system of pump pressure under different operating conditions, operation range, discharge of main pump electric current, hair
The big datas such as motivation revolving speed, system control signal and time are analyzed, and can show that the probability of plugging occurs for equipment.According to operating condition
Abnormal conditions are prejudged in advance, corresponding control strategy is taken to avoid imminent plugging.And by constantly learning, recording,
Dynamic corrections are carried out to key control parameter.Improve the adaptability of control strategy.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (12)
1. a kind of concrete equipment plugging diagnostic method, which is characterized in that this method comprises:
Obtain the overpressure alarm signal that the hydraulic system of pump of concrete equipment is sent；
The pumping for acquiring concrete equipment controls signal, and detects after the hydraulic system of pump sends overpressure alarm signal,
The pumping controls whether occur detecting in the control signal third time of dredging certainly from control signal is dredged in signal
In the case where the overpressure alarm signal of hydraulic system of pump transmission for still getting concrete equipment, judge that concrete equipment is stifled
Pipe；
Wherein, it is described from dredging control signal include: the hydraulic system of pump send overpressure alarm signal after at the first time
Interior transmission termination of pumping signal then sends anti-pump signal and continued for the second time, retransmits starting automatic pumping signal.
2. the method according to claim 1, wherein this method further include:
Detect hydraulic system of pump pressure；
The hydraulic system of pump pressure of the acquisition is compared with pressure threshold, in the hydraulic system of pump pressure
In the case where greater than the pressure threshold, hydraulic system of pump superpressure is judged.
3. the method according to claim 1, wherein this method further include:
After the hydraulic system of pump sends overpressure alarm signal, detect that appearance setting time is described from dredging in control signal
The hydraulic system of pump has not been obtained in the 4th time after control signal and sends the overpressure alarm signal, judges that concrete is set
Standby to dredge successfully certainly, concrete equipment plugging problem has excluded.
4. according to the method described in claim 2, it is characterized in that, this method further include:
After the hydraulic system of pump sends overpressure alarm signal, detect that appearance setting time is described from dredging in control signal
Determine that the hydraulic system of pump pressure is less than the pressure threshold in the 4th time after control signal, hydraulic system of pump is not
Superpressure judges concrete equipment from success is dredged, and concrete equipment plugging problem has excluded.
5. the method according to claim 1, wherein this method further include:
After judging concrete equipment plugging, the working condition signal of the concrete equipment before and after acquisition plugging in the 5th time；
Analysis is associated according to the work information of the concrete equipment in the 5th time before and after the plugging of acquisition to adjust
The control logic of the hydraulic system of pump, wherein the control logic of the hydraulic system of pump includes: adjustment pumping oil cylinder
Movement speed and/or adjustment pumping oil cylinder and sequence of movement and the actuation time interval for distributing oscillating oil cylinder.
6. according to the method described in claim 5, it is characterized in that, this method further include:
Concrete equipment plugging information is stamped into timestamp and is sent to control centre, wherein stamps the concrete of timestamp
Equipment plugging information includes: the overpressure alarm signal with timestamp, the judgement of the concrete equipment plugging with timestamp
Information, the coagulation in the plugging the 5th time of front and back from dredging control result information, with timestamp with timestamp
The number information of the working condition signal of indigenous equipment and the concrete equipment.
7. a kind of concrete equipment plugging diagnostic device, which is characterized in that the device includes:
Data acquisition unit, the overpressure alarm signal that the hydraulic system of pump for obtaining concrete equipment is sent；
Controller, the pumping for acquiring concrete equipment controls signal, and detects and send superpressure in the hydraulic system of pump
After alarm signal, the pumping controls whether occur detecting the control letter of dredging certainly from control signal is dredged in signal
The overpressure alarm signal that the hydraulic system of pump that the data acquisition still gets concrete equipment in number third time is sent
In the case of, judge concrete equipment plugging；
Wherein, it is described from dredging control signal include: the hydraulic system of pump send overpressure alarm signal after at the first time
Interior transmission termination of pumping signal then sends anti-pump signal and continued for the second time, retransmits starting automatic pumping signal.
8. device according to claim 7, which is characterized in that the data acquisition unit is also used to detect hydraulic system of pump
Pressure；
The hydraulic system of pump pressure that the controller is also used to acquire the data acquisition unit and pressure threshold into
Row compares, and in the case where the hydraulic system of pump pressure is greater than the pressure threshold, judges hydraulic system of pump superpressure.
9. device according to claim 7, which is characterized in that the controller is also used to send out in the hydraulic system of pump
After sending overpressure alarm signal, detect described in the 4th time after occurring the setting time control signal from dredging in control signal
Data acquisition unit has not been obtained the hydraulic system of pump and sends the overpressure alarm signal, judges concrete equipment from dredging
Success, concrete equipment plugging problem have excluded.
10. device according to claim 8, which is characterized in that the controller is also used in the hydraulic system of pump
After sending overpressure alarm signal, detect true in the 4th time after occurring the secondary control signal from dredging of setting in control signal
The fixed hydraulic system of pump pressure is less than the pressure threshold, and the non-superpressure of hydraulic system of pump judges concrete equipment certainly
It dredges successfully, concrete equipment plugging problem has excluded.
11. device according to claim 7, which is characterized in that the data acquisition unit is also used to sentence in the control
After disconnected concrete equipment plugging, the working condition signal of the concrete equipment before and after acquisition plugging in the 5th time；
Concrete before and after the plugging that the controller is also used to be acquired according to the data acquisition unit in the 5th time
The work information of equipment is associated analysis to adjust the control logic of the hydraulic system of pump, wherein the pumps hydraulic
The control logic of system includes: to adjust the movement speed of pumping oil cylinder and/or adjust pumping oil cylinder and distribute the dynamic of oscillating oil cylinder
Work sequence and actuation time interval.
12. device according to claim 11, which is characterized in that the device further include:
Communication unit is sent to control centre for concrete equipment plugging information to be stamped timestamp, wherein stamp timestamp
The concrete equipment plugging information include: the overpressure alarm signal, the concrete with timestamp with timestamp
Equipment plugging judges information, the plugging front and back the 5th from dredging control result information, with timestamp with timestamp
The working condition signal of concrete equipment in time and the number information of the concrete equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365844.0A CN109579903B (en) | 2018-11-16 | 2018-11-16 | Method and device for diagnosing pipe blockage of concrete equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365844.0A CN109579903B (en) | 2018-11-16 | 2018-11-16 | Method and device for diagnosing pipe blockage of concrete equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109579903A true CN109579903A (en) | 2019-04-05 |
| CN109579903B CN109579903B (en) | 2020-05-26 |
Family
ID=65922845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365844.0A Active CN109579903B (en) | 2018-11-16 | 2018-11-16 | Method and device for diagnosing pipe blockage of concrete equipment |
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| CN113410882A (en) * | 2021-05-24 | 2021-09-17 | 中联重科股份有限公司 | Control method, processor, device and pumping equipment for battery |
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