CN116754856A - Movable shield machine component detection device - Google Patents
Movable shield machine component detection device Download PDFInfo
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- CN116754856A CN116754856A CN202310390859.7A CN202310390859A CN116754856A CN 116754856 A CN116754856 A CN 116754856A CN 202310390859 A CN202310390859 A CN 202310390859A CN 116754856 A CN116754856 A CN 116754856A
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 239000007858 starting material Substances 0.000 claims abstract description 67
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 15
- 230000005641 tunneling Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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Abstract
A movable shield machine component detection device monitors the state of the shield machine component and a monitoring system interface through an upper computer; signal conversion between the PLC module and the upper computer is carried out through the exchanger; the PLC module outputs an action signal to the intermediate relay, and the contact of the intermediate relay acts to conduct the suction of the contactor or the operation of the soft starter; the frequency converter is electrically connected with the PLC module, the frequency converter is also electrically connected with the air circuit breaker, the air circuit breaker is electrically connected with the soft starter, the motor is electrically connected with the frequency converter, the motor is electrically connected with the soft starter, and the motor is also electrically connected with the contactor; the contactor controls the motor to be directly started, the soft starter controls the motor to be in soft start, and the frequency converter controls the motor to be in variable frequency start; and carrying out power-on test by a component replacement method to judge whether the specified component is damaged. The invention can rapidly detect common components of the shield machine, and improves the quality of the remanufactured shield machine.
Description
Technical Field
The invention relates to a movable shield machine component detection device, and belongs to the technical field of shield machines.
Background
With the development of urban rail transit, shield machines play an increasingly important role in urban construction. In recent years, the domestic shield market tends to be saturated, the market holding quantity of the shield machine in the whole country is 3000 or more, the remanufacturing of the shield machine is a new trend of the shield market, the remanufacturing of the shield machine is not simple maintenance and improvement, and the performance of the tunnel boring machine of the latest generation is superior to that of the original machine by carrying out cross-generation upgrading on the applicable geology, machine condition evaluation and key part replacement from the initial remanufacturing stage of the shield machine in terms of general disk consideration.
However, in the remanufacturing process of the shield machine, detection of common components of some shield machines must wait until the whole machine is electrified, and then whether the components are damaged can be measured. The traditional component detection mode is that the universal meter directly measures after power-on and adjusts parameters to judge, so that the defects of single function, low efficiency, complex detection process and the like exist, and most of the existing researches are sensor detection devices. If the detection components are electrified after the complete machine is at a station, the construction period is possibly delayed. Therefore, it is necessary to develop a technical scheme for detecting common components of the integrated shield tunneling machine.
Disclosure of Invention
Therefore, the embodiment of the invention provides a movable shield machine component detection device, which solves the problems that in the detection of common components of a shield machine, the functions are single, the efficiency is low, the procedures are complex, whether the components are damaged or not cannot be known in advance, and the construction period is easy to lag.
In order to achieve the above object, the present invention provides the following technical solutions: a movable shield machine component detection device comprises an upper computer, a switch, a PLC module, an intermediate relay, a soft starter, a contactor, a frequency converter, an air circuit breaker and a motor;
the upper computer is electrically connected with the switch and is used for monitoring the states of components of the shield tunneling machine and monitoring a system interface; the switch is electrically connected with the PLC module and is used for converting signals from the PLC module to the upper computer;
the intermediate relay is electrically connected with the PLC module, the soft starter is electrically connected with the intermediate relay, and the contactor is electrically connected with the intermediate relay; the PLC module outputs an action signal to the intermediate relay, and the contact of the intermediate relay acts to conduct the suction of the contactor or the operation of the soft starter;
the frequency converter is electrically connected with the PLC module, the frequency converter is also electrically connected with the air circuit breaker, the air circuit breaker is electrically connected with the soft starter, the motor is electrically connected with the frequency converter, the motor is electrically connected with the soft starter, and the motor is also electrically connected with the contactor; the contactor is used for controlling the motor to be directly started, the soft starter is used for controlling the motor to be in soft start, and the frequency converter is used for controlling the motor to be in frequency conversion start; and carrying out an electrifying test on the appointed components by using a component replacement method to judge whether damage occurs, wherein the appointed components comprise the intermediate relay, the soft starter, the contactor, the frequency converter, the air circuit breaker and the motor.
As the preferable scheme of the movable shield machine component detection device, the monitoring system interface of the upper computer comprises a main picture, an alarm picture, a user parameter setting picture, a history curve picture and a report picture;
the main picture is used for graphically displaying the running state of the components of the shield machine and dynamically displaying the parameters of each monitoring component in real time;
the alarm picture is used for the user to inquire the alarm record of each monitoring component;
the user parameter setting picture is used for self-defining the operation parameters of the monitoring components according to the user requirements;
the history curve picture is used for calling out a history record of monitoring parameters of each monitoring component;
the report picture is used for inquiring, editing and printing the historical report and the real-time report by the user.
As the preferable scheme of the movable shield machine component detection device, the movable shield machine component detection device further comprises a UPS power supply, wherein the UPS power supply is electrically connected with the PLC module, the UPS power supply is electrically connected with the intermediate relay, and the UPS power supply is electrically connected with the air circuit breaker;
the UPS power supply is used for supplying power to the PLC module, the intermediate relay and the air circuit breaker.
As the preferable scheme of the movable shield machine component detection device, the movable shield machine component detection device further comprises a box body, wherein the upper computer, the switch, the PLC module, the intermediate relay, the soft starter, the contactor, the frequency converter, the air circuit breaker, the motor and the UPS are integrated in the box body;
the motor control system further comprises an digital display meter, wherein the digital display meter is electrically connected with the PLC module and is used for displaying the rotating speed and the current of the motor;
the motor control device comprises a motor, a PLC module, an indication lamp and a control circuit, wherein the PLC module is electrically connected with the motor, and the indication lamp is used for indicating the starting state of the motor;
the motor emergency stop control device comprises a motor, and is characterized by further comprising an emergency stop button and a starting button, wherein the emergency stop button is electrically connected with the PLC module, the emergency stop button is used for motor emergency stop control, the starting button is used for motor starting control, and the starting button comprises three modes of direct starting, soft starting and variable frequency starting.
As a preferable scheme of the movable shield machine component detection device, the PLC module is used for directly starting the motor:
the air circuit breaker is closed, a direct starting instruction is output to the intermediate relay through the switch and the PLC module, the coil of the intermediate relay is sucked and output to the contactor, the contactor is sucked so that the motor is started, and the indicating lamp for indicating the motor to operate is on.
As a preferable scheme of the movable shield machine component detection device, the contactor or the intermediate relay to be tested is replaced to perform replacement detection.
As a preferable scheme of the movable shield machine component detection device, the PLC module is used for carrying out a soft start process on the motor:
outputting a soft start instruction to the intermediate relay through the switch and the PLC module, wherein the intermediate relay coil is attracted to control the soft starter to start, and the soft starter controls the motor to start so as to indicate the indication lamp operated by the motor to be on;
and the soft starter feeds back the rotating speed analog quantity to the PLC module and displays the rotating speed on the digital display meter.
As a preferable scheme of the movable shield machine component detection device, the contactor, the intermediate relay or the soft starter to be tested is replaced to perform replacement detection.
As a preferable scheme of the movable shield machine component detection device, the PLC module is used for carrying out a variable frequency starting process on the motor:
the air circuit breaker is closed, a variable frequency starting instruction is sent to the frequency converter through the PLC module, the frequency converter outputs the variable frequency starting instruction to the motor, and the indication lamp for indicating the motor to operate is turned on;
and the running signal of the frequency converter and the current of the motor are fed back to the PLC module so as to be displayed on the digital display meter.
As a preferable scheme of the movable shield machine component detection device, the contactor or the frequency converter to be tested is replaced to perform replacement detection.
The invention has the beneficial effects that the invention is provided with an upper computer, a switch, a PLC module, an intermediate relay, a soft starter, a contactor, a frequency converter, an air circuit breaker and a motor; the upper computer is electrically connected with the switch and is used for monitoring the states of components of the shield tunneling machine and monitoring a system interface; the switch is electrically connected with the PLC module and is used for converting signals between the PLC module and the upper computer; the intermediate relay is electrically connected with the PLC module, the soft starter is electrically connected with the intermediate relay, and the contactor is electrically connected with the intermediate relay; the PLC module outputs an action signal to the intermediate relay, and the contact of the intermediate relay acts to conduct the suction of the contactor or the operation of the soft starter; the frequency converter is electrically connected with the PLC module, the frequency converter is also electrically connected with the air circuit breaker, the air circuit breaker is electrically connected with the soft starter, the motor is electrically connected with the frequency converter, the motor is electrically connected with the soft starter, and the motor is also electrically connected with the contactor; the contactor is used for controlling the motor to start directly, the soft starter is used for controlling the motor to start softly, and the frequency converter is used for controlling the motor to start in a frequency conversion mode; the specified components are subjected to an energization test by a component replacement method to judge whether damage occurs, and the specified components comprise an intermediate relay, a soft starter, a contactor, a frequency converter, an air circuit breaker and a motor. The invention can rapidly detect the common components of the shield machine, so that the shield remanufacturing process can prevent and spare parts in advance, the repair flow of accessories in the remanufacturing process becomes simple, and the remanufacturing quality of the shield machine is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the scope of the invention.
FIG. 1 is a schematic structural diagram of a device for detecting components of a movable shield machine according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the hardware relationship of a movable shield machine component detection device provided in an embodiment of the present invention;
FIG. 3 is a schematic view of the motor of the movable shield machine component detection device provided in the embodiment of the invention;
FIG. 4 is a schematic diagram of a motor soft start of a movable shield machine component detection device provided in an embodiment of the present invention;
fig. 5 is a schematic diagram of variable frequency starting of a motor of a movable shield machine component detection device provided in an embodiment of the present invention.
In the figure: 1. an upper computer; 2. a switch; 3. a PLC module; 4. an intermediate relay; 5. a soft starter; 6. a contactor; 7. a frequency converter; 8. an air circuit breaker; 9. a motor; 10. a UPS power supply; 11. a case; 12. a digital display table; 13. an indicator light; 14. an emergency stop button; 15. and (5) starting a button.
Description of the embodiments
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, an embodiment of the invention provides a movable shield tunneling machine component detection device, which comprises an upper computer 1, a switch 2, a PLC module 3, an intermediate relay 4, a soft starter 5, a contactor 6, a frequency converter 7, an air circuit breaker 8 and a motor 9;
the upper computer 1 is electrically connected with the switch 2, and the upper computer 1 is used for monitoring the states of components of the shield tunneling machine and monitoring a system interface; the switch 2 is electrically connected with the PLC module 3, and the switch 2 is used for converting signals between the PLC module 3 and the upper computer 1;
the intermediate relay 4 is electrically connected with the PLC module 3, the soft starter 5 is electrically connected with the intermediate relay 4, and the contactor 6 is electrically connected with the intermediate relay 4; the PLC module 3 outputs an action signal to the intermediate relay 4, and the contact of the intermediate relay 4 acts to attract the contactor 6 or operate the soft starter 5;
the frequency converter 7 is electrically connected with the PLC module 3, the frequency converter 7 is also electrically connected with the air circuit breaker 8, the air circuit breaker 8 is electrically connected with the soft starter 5, the motor 9 is electrically connected with the frequency converter 7, the motor 9 is electrically connected with the soft starter 5, and the motor 9 is also electrically connected with the contactor 6; the contactor 6 is used for controlling the motor 9 to start directly, the soft starter 5 is used for controlling the motor 9 to start softly, and the frequency converter 7 is used for controlling the motor 9 to start in a frequency conversion mode; the specified components including the intermediate relay 4, the soft starter 5, the contactor 6, the inverter 7, the air circuit breaker 8 and the motor 9 are subjected to the energization test by the component replacement method to determine whether damage occurs.
In this embodiment, the power supply further comprises a UPS power supply 10, the UPS power supply 10 is electrically connected with the PLC module 3, the UPS power supply 10 is further electrically connected with the intermediate relay 4, and the UPS power supply 10 is further electrically connected with the air circuit breaker 8; the UPS power source 10 is used to supply power to the PLC module 3, the intermediate relay 4, and the air circuit breaker 8. In addition, the intelligent power supply system further comprises a box 11, wherein the upper computer 1, the switch 2, the PLC module 3, the intermediate relay 4, the soft starter 5, the contactor 6, the frequency converter 7, the air circuit breaker 8, the motor 9 and the UPS 10 are integrated in the box 11; the motor control system further comprises an digital display meter 12, wherein the digital display meter 12 is electrically connected with the PLC module 3, and the digital display meter 12 is used for displaying the rotating speed and the current of the motor 9; the motor control device further comprises an indicator lamp 13, wherein the indicator lamp 13 is electrically connected with the PLC module 3, and the indicator lamp 13 is used for indicating the starting state of the motor 9; the automatic emergency stop control device further comprises an emergency stop button 14 and a starting button 15, wherein the emergency stop button 14 and the starting button 15 are electrically connected with the PLC module 3, the emergency stop button 14 is used for controlling the emergency stop of the motor 9, the starting button 15 is used for controlling the starting of the motor 9, and the starting button 15 comprises three modes of direct starting, soft starting and variable frequency starting.
In the embodiment, the upper computer 1 monitors a system interface, and the switch 2 realizes signal conversion between the upper computer 1 and the PLC module 3; the PLC module 3 is used for collecting and processing signals of the whole device control assembly; the contactor 6 can cut off the control circuit of the motor 9; the air circuit breaker 8 can cut off the main circuit; the soft starter 5 realizes soft start and soft stop of the motor 9 and integrates various protections; the frequency converter 7 can control the motor 9 according to the frequency variation. The basic principle of detection of the movable shield machine components is a replacement method, and the control logic of the shield machine electrical system is completely simulated.
The PLC module 3 adopts siemens 300 series, and includes a power module, a communication module, a CPU module, and four DI, DO, AI, AO modules. The switch 2 realizes signal conversion between the PLC module 3 and the upper computer 1, and directly carries out network configuration on some components with network cable interfaces.
The intermediate relay 4 directly outputs a signal to the intermediate relay 4 via the PLC module 3, and the contactor 6 is attracted after the contact is operated or the soft starter 5 is operated. If the intermediate relay 4 is to be detected, the intermediate relay 4 can be connected to a detection circuit, and if the PLC module 3 issues a command to enable the intermediate relay 4 to act, the contactor 6 is attracted, so that the intermediate relay 4 is not damaged.
Wherein, soft starter 5 adopts shield machine common brands such as denfos, ABB, siemens, schneider, etc. The contactor 6, the air circuit breaker 8, and the motor 9 can be directly subjected to the energization test by the component replacement method, thereby judging whether or not to be damaged.
In this embodiment, the monitoring system interface of the upper computer 1 includes a main screen, an alarm screen, a user parameter setting screen, a history curve screen and a report screen; the main picture is used for graphically displaying the running state of the components of the shield machine and dynamically displaying the parameters of each monitoring component in real time; the alarm picture is used for the user to inquire the alarm record of each monitoring component; the user parameter setting picture is used for self-defining the operation parameters of the monitoring components according to the user requirements; the history curve picture is used for calling out a history record of monitoring parameters of each monitoring component; the report picture is used for inquiring, editing and printing the historical report and the real-time report by the user.
Specifically, the running state of each component of the shield machine is displayed in a graph in the main picture of the upper computer 1, the parameters of each monitoring component are dynamically displayed in real time, and the running of the components can be controlled in a related way; the alarm picture can carry out detailed inquiry of alarm records; the user parameter setting picture is used for defining the operation parameters of the components according to different requirements of users, so as to achieve various requirements of the users; the history records of all monitoring parameters can be called out in the history curve picture, are represented in a curve form, and can be referred to forward at any time period; the report picture can be used for inquiring, editing and printing the historical report and the real-time report.
Referring to fig. 3, in this embodiment, the PLC module 3 performs a direct start process on the motor 9: the air circuit breaker 8 is closed, a direct starting instruction is output to the intermediate relay 4 through the switch 2 and the PLC module 3, the coil of the intermediate relay 4 is sucked and output to the contactor 6, the contactor 6 is sucked to enable the motor 9 to be started, and the indicator lamp 13 for indicating the operation of the motor 9 is on; the contactor 6 or intermediate relay 4 to be tested is replaced for replacement detection.
Specifically, the detection device supports direct start of the motor 9, when the motor 9 is directly started, the air circuit breaker 8 is closed, the corresponding start button 15 is clicked, then a direct start instruction is output to the intermediate relay 4 through the switch 2 and the PLC module 3, coil attraction of the intermediate relay 4 is output to the contactor 6, the contactor 6 is attracted to the motor 9 for starting, and the indicator lamp 13 operated by the motor 9 is on. If the contactor 6 and the intermediate relay 4 to be tested are provided, the replacement is directly performed by using a replacement method, and if the contactor 6 and the intermediate relay 4 after the replacement can be normally attracted, the replacement components are not damaged.
Referring to fig. 4, in this embodiment, the soft start process is performed on the motor 9 by the PLC module 3: the switch 2 and the PLC module 3 output a soft start instruction to the intermediate relay 4, the coil of the intermediate relay 4 is attracted to control the soft starter 5 to start, the soft starter 5 controls the motor 9 to start, and the indicator lamp 13 for indicating the operation of the motor 9 is on; the soft starter 5 feeds back the rotation speed analog quantity to the PLC module 3, and displays the rotation speed on the digital display meter 12; the contactor 6, the intermediate relay 4 or the soft starter 5 to be tested is replaced for replacement detection.
Specifically, the detection means support a soft start of the motor 9. When the motor 9 is in soft start, a corresponding start button 15 is clicked, then a soft start instruction passes through the switch 2 to the PLC module 3 and then to the intermediate relay 4, the coil of the intermediate relay 4 is attracted to control the soft starter 5 to start, the motor 9 is started, and the running indicator lamp 13 of the motor 9 is turned on. Meanwhile, the soft starter 5 feeds back the rotation speed analog quantity to the PLC module 3, and the rotation speed is displayed on the digital display meter 12. In the soft start mode of the motor 9, the components can be replaced to achieve the purpose of rapidly checking the faults of the components, for example, the state of the soft starter 5 can be checked preferentially by a component replacement method before the shield tunneling machine is on the station, and if the soft starter 5 has normal output, the soft starter 5 is proved to be undamaged.
Referring to fig. 5, in this embodiment, the variable frequency starting process is performed on the motor 9 by the PLC module 3: the air circuit breaker 8 is closed, a variable frequency starting instruction is sent to the frequency converter 7 through the PLC module 3, the frequency converter 7 outputs the variable frequency starting instruction to the motor 9, and the indicator lamp 13 for indicating the motor 9 to operate is on; the operation signal of the frequency converter 7 and the current of the motor 9 are fed back to the PLC module 3 to be displayed on the digital display meter 12 to replace the contactor 6 to be tested or the frequency converter 7 for replacement detection.
Specifically, the detection device supports the frequency converter 7 to start the motor 9. When the motor 9 is started in a variable frequency mode, the air circuit breaker 8 is closed, the corresponding starting button 15 is clicked, a variable frequency starting instruction is sent to the frequency converter 7 through the PLC module 3, the frequency converter 7 is output to the motor 9, the motor 9 running indicator lamp 13 is on, meanwhile, the running signal of the frequency converter 7 and the current of the motor 9 are fed back to the PLC module 3, and the running signal and the current of the motor 9 are displayed on the digital meter. The frequency converter 7 is a common brand of shield tunneling machine such as Schneider and Siemens, a starting signal of the frequency converter 7 is directly connected to the PLC module 3, and the operation of the frequency converter 7 is directly reflected to the interface of the upper computer 1 through the PLC module 3, so that the state of the frequency converter 7 is visually seen. If the frequency converter 7 to be tested is arranged, the frequency converter 7 is directly replaced by a replacement method, and if the working state of the frequency converter 7 after replacement is normal, the components of the frequency converter 7 after replacement are not damaged.
In summary, the invention is provided with a host computer 1, a switch 2, a PLC module 3, an intermediate relay 4, a soft starter 5, a contactor 6, a frequency converter 7, an air circuit breaker 8 and a motor 9; the upper computer 1 is electrically connected with the switch 2, and the upper computer 1 is used for monitoring the states of components of the shield tunneling machine and monitoring a system interface; the switch 2 is electrically connected with the PLC module 3, and the switch 2 is used for converting signals between the PLC module 3 and the upper computer 1; the intermediate relay 4 is electrically connected with the PLC module 3, the soft starter 5 is electrically connected with the intermediate relay 4, and the contactor 6 is electrically connected with the intermediate relay 4; the PLC module 3 outputs an action signal to the intermediate relay 4, and the contact of the intermediate relay 4 acts to attract the contactor 6 or operate the soft starter 5; the frequency converter 7 is electrically connected with the PLC module 3, the frequency converter 7 is also electrically connected with the air circuit breaker 8, the air circuit breaker 8 is electrically connected with the soft starter 5, the motor 9 is electrically connected with the frequency converter 7, the motor 9 is electrically connected with the soft starter 5, and the motor 9 is also electrically connected with the contactor 6; the contactor 6 is used for controlling the motor 9 to start directly, the soft starter 5 is used for controlling the motor 9 to start softly, and the frequency converter 7 is used for controlling the motor 9 to start in a frequency conversion mode; the specified components including the intermediate relay 4, the soft starter 5, the contactor 6, the inverter 7, the air circuit breaker 8 and the motor 9 are subjected to the energization test by the component replacement method to determine whether damage occurs. The motor 9 is directly started by the PLC module 3: the air circuit breaker 8 is closed, a direct starting instruction is output to the intermediate relay 4 through the switch 2 and the PLC module 3, the coil of the intermediate relay 4 is sucked and output to the contactor 6, the contactor 6 is sucked to enable the motor 9 to be started, and the indicator lamp 13 for indicating the operation of the motor 9 is on; the contactor 6 or intermediate relay 4 to be tested is replaced for replacement detection. The motor 9 is subjected to a soft start process by the PLC module 3: the switch 2 and the PLC module 3 output a soft start instruction to the intermediate relay 4, the coil of the intermediate relay 4 is attracted to control the soft starter 5 to start, the soft starter 5 controls the motor 9 to start, and the indicator lamp 13 for indicating the operation of the motor 9 is on; the soft starter 5 feeds back the rotation speed analog quantity to the PLC module 3, and displays the rotation speed on the digital display meter 12; the contactor 6, the intermediate relay 4 or the soft starter 5 to be tested is replaced for replacement detection. The motor 9 is subjected to a variable frequency starting process through the PLC module 3: the air circuit breaker 8 is closed, a variable frequency starting instruction is sent to the frequency converter 7 through the PLC module 3, the frequency converter 7 outputs the variable frequency starting instruction to the motor 9, and the indicator lamp 13 for indicating the motor 9 to operate is on; the operation signal of the frequency converter 7 and the current of the motor 9 are fed back to the PLC module 3 to be displayed on the digital display meter 12 to replace the contactor 6 to be tested or the frequency converter 7 for replacement detection. The invention can rapidly detect the common components of the shield machine, so that the shield remanufacturing process can prevent and spare parts in advance, the repair flow of accessories in the remanufacturing process becomes simple, and the remanufacturing quality of the shield machine is improved.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (10)
1. The movable shield machine component detection device is characterized by comprising an upper computer (1), a switch (2), a PLC module (3), an intermediate relay (4), a soft starter (5), a contactor (6), a frequency converter (7), an air circuit breaker (8) and a motor (9);
the upper computer (1) is electrically connected with the switch (2), and the upper computer (1) is used for monitoring the states of components of the shield tunneling machine and monitoring a system interface; the switch (2) is electrically connected with the PLC module (3), and the switch (2) is used for performing signal conversion from the PLC module (3) to the upper computer (1);
the intermediate relay (4) is electrically connected with the PLC module (3), the soft starter (5) is electrically connected with the intermediate relay (4), and the contactor (6) is electrically connected with the intermediate relay (4); the PLC module (3) outputs an action signal to the intermediate relay (4), and the contact of the intermediate relay (4) acts to attract the contactor (6) or operate the soft starter (5);
the frequency converter (7) is electrically connected with the PLC module (3), the frequency converter (7) is also electrically connected with the air circuit breaker (8), the air circuit breaker (8) is electrically connected with the soft starter (5), the motor (9) is electrically connected with the frequency converter (7), the motor (9) is electrically connected with the soft starter (5), and the motor (9) is also electrically connected with the contactor (6); the contactor (6) is used for controlling the motor (9) to be directly started, the soft starter (5) is used for controlling the motor (9) to be in soft start, and the frequency converter (7) is used for controlling the motor (9) to be in frequency conversion start; and carrying out an electrifying test on specified components by a component replacement method to judge whether damage occurs, wherein the specified components comprise the intermediate relay (4), the soft starter (5), the contactor (6), the frequency converter (7), the air circuit breaker (8) and the motor (9).
2. The movable shield machine component detection device according to claim 1, wherein the monitoring system interface of the upper computer (1) comprises a main picture, an alarm picture, a user parameter setting picture, a history curve picture and a report picture;
the main picture is used for graphically displaying the running state of the components of the shield machine and dynamically displaying the parameters of each monitoring component in real time;
the alarm picture is used for the user to inquire the alarm record of each monitoring component;
the user parameter setting picture is used for self-defining the operation parameters of the monitoring components according to the user requirements;
the history curve picture is used for calling out a history record of monitoring parameters of each monitoring component;
the report picture is used for inquiring, editing and printing the historical report and the real-time report by the user.
3. The movable shield machine component detection device according to claim 2, further comprising a UPS (uninterrupted power supply) and a PLC module (3), wherein the UPS (10) is electrically connected with the intermediate relay (4), and the UPS (10) is electrically connected with the air circuit breaker (8);
the UPS power supply (10) is used for supplying power to the PLC module (3), the intermediate relay (4) and the air circuit breaker (8).
4. The movable shield machine component detection device according to claim 3, further comprising a box body (11), wherein the upper computer (1), the switch (2), the PLC module (3), the intermediate relay (4), the soft starter (5), the contactor (6), the frequency converter (7), the air circuit breaker (8), the motor (9) and the UPS power supply (10) are integrated in the box body (11);
the motor control device further comprises a digital display meter (12), wherein the digital display meter (12) is electrically connected with the PLC module (3), and the digital display meter (12) is used for displaying the rotating speed and the current of the motor (9);
the intelligent control system further comprises an indicator lamp (13), wherein the indicator lamp (13) is electrically connected with the PLC module (3), and the indicator lamp (13) is used for indicating the starting state of the motor (9);
the automatic control device is characterized by further comprising a scram button (14) and a start button (15), wherein the scram button (14) and the start button (15) are electrically connected with the PLC module (3), the scram button (14) is used for scram control of the motor (9), the start button (15) is used for start control of the motor (9), and the start button (15) comprises three modes of direct start, soft start and variable frequency start.
5. The movable shield machine component detection device according to claim 4, wherein the PLC module (3) is configured to directly start the motor (9):
the air circuit breaker (8) is closed, a direct starting instruction is output to the intermediate relay (4) through the switch (2) and the PLC module (3), the coil of the intermediate relay (4) is sucked and output to the contactor (6), and the contactor (6) is sucked so as to enable the motor (9) to be started, and the indicator lamp (13) for indicating the motor (9) to operate is on.
6. The movable shield machine component detection device according to claim 5, wherein the contactor (6) or the intermediate relay (4) to be tested is replaced for replacement detection.
7. The movable shield machine component detection device according to claim 4, wherein the motor (9) is subjected to a soft start process by the PLC module (3):
outputting a soft start instruction to the intermediate relay (4) through the switch (2) and the PLC module (3), wherein the coil of the intermediate relay (4) is attracted to control the soft starter (5) to start, and the soft starter (5) controls the motor (9) to start to instruct the indicator lamp (13) operated by the motor (9) to be on;
the soft starter (5) feeds back the rotation speed analog quantity to the PLC module (3) and displays the rotation speed on the digital display meter (12).
8. The movable shield machine component detection device according to claim 7, wherein the contactor (6), the intermediate relay (4) or the soft starter (5) to be tested is replaced for replacement detection.
9. The movable shield machine component detection device according to claim 4, wherein the frequency conversion starting process is performed on the motor (9) through the PLC module (3):
the air circuit breaker (8) is closed, a variable frequency starting instruction is sent to the frequency converter (7) through the PLC module (3), the frequency converter (7) outputs the variable frequency starting instruction to the motor (9), and the indication lamp (13) for indicating the motor (9) to operate is on;
the operation signal of the frequency converter (7) and the current of the motor (9) are fed back to the PLC module (3) to be displayed on the digital display meter (12).
10. The movable shield machine component detection device according to claim 9, wherein the contactor (6) or the frequency converter (7) to be tested is replaced for replacement detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310390859.7A CN116754856A (en) | 2023-04-13 | 2023-04-13 | Movable shield machine component detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310390859.7A CN116754856A (en) | 2023-04-13 | 2023-04-13 | Movable shield machine component detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116754856A true CN116754856A (en) | 2023-09-15 |
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ID=87953948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310390859.7A Pending CN116754856A (en) | 2023-04-13 | 2023-04-13 | Movable shield machine component detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116754856A (en) |
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2023
- 2023-04-13 CN CN202310390859.7A patent/CN116754856A/en active Pending
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