CN221405913U - Movable shield tunneling machine electric element detection table - Google Patents

Abstract

The utility model discloses a movable shield machine electric element detection table, which solves the problem that in the prior art, on-site personnel do not have special equipment to rapidly detect electric fault elements. The utility model comprises a movable frame body, wherein an insulating operation table is arranged on the movable frame body, a top box body and a motor are arranged on the insulating operation table, and a modularized operation panel is arranged in a connection transition area between the insulating operation table and the top box body; the top box body is provided with a double-door mesh plate, and components are communicated with the operation panel and the motor through internal circuits. The detection table operation panel adopts a modularized design, a plurality of selectable power supplies are designed, a modularized detection module is convenient to combine any detection circuit, and the electrical elements on the shield machine can be accurately detected by utilizing a plurality of detection devices; the method can also be used for carrying out practical operation training and fault handling training aiming at different electric loop principles. The performance and faults of the electrical elements of the shield tunneling machine can be monitored and detected in real time, and the detection efficiency is effectively improved.

Description

Movable shield tunneling machine electric element detection table

Technical Field

The utility model relates to the technical field of electric element detection, in particular to an electromechanical element detection table of a movable shield machine.

Background

At present, a plurality of electric elements such as a breaker, a contactor, a relay, a transformer, an amplifying plate, a proximity switch, a pressure sensor, a displacement sensor and the like are used in the shield machine maintenance, construction and other stages, so that the shield machine has various brands and high use value. During the use of the shield, an electric fault layer is endless, on-site personnel often lack a device for conveniently and rapidly detecting the electric element, the fault element is often replaced directly, the waste condition exists for resource utilization, the analysis of specific reasons of the fault is also not facilitated, the analysis of the operation working condition of equipment is not facilitated, and the improvement and the upgrading of equipment technology are not facilitated. In the prior art, the electric automation detection table with the publication number of CN 205506963U can detect various components, but is not matched with the shield construction working condition, so that faults in the construction working condition are not easy to analyze, and the universality is poor.

Disclosure of utility model

Aiming at the defects in the background technology, the utility model provides a movable shield machine electric element detection table, which solves the problem that in the prior art, field personnel do not have special equipment to rapidly detect electric fault elements.

The technical scheme of the utility model is realized as follows: the utility model provides a portable shield constructs quick-witted electric element detection platform, includes the removal support body, is equipped with insulating operation panel on the removal support body, is equipped with top box and motor on the insulating operation panel, and the connection transition zone between insulating operation panel and the top box is equipped with modularization operation panel; the top box body is provided with a double-door mesh plate which is convenient for disassembling and assembling components, and the components are communicated with the operation panel and the motor through internal circuits.

Further preferably, the lower part of the movable frame body is a storage box chamber, and the storage box chamber is positioned below the insulating operation table and matched with the insulating operation table.

Further, the storage box comprises a plurality of drawers and a bottom cabinet which are arranged in a row; a protection angle is arranged at the edge of the top box body; the bottom of the movable frame body is provided with travelling wheels.

The modularized operation panel comprises a slope clamping groove, wherein a main power supply module, a three-phase power supply module, an adjustable direct current source module, a leakage tester, an insulation tester and a motor control module are arranged in the slope clamping groove in a clamping mode.

Further, the components on the double door mesh plate comprise a PLC, a frequency converter, a touch screen, lighting equipment and other components for detection.

Further, the internal circuit comprises a 380V power line, the 380V power line is connected to the main circuit breaker, and one circuit led out from the main circuit breaker is connected with a component circuit, and the other circuit is connected with a contactor; one line led out from the contactor is connected with the operation panel line, and the other line is connected with the motor line.

Preferably, the connecting component circuit comprises a first breaker and a first idle switch which are arranged in parallel, the circuit led out from the first breaker is sequentially connected with a first transformer and a second breaker, and the parallel circuit led out from the second breaker is respectively connected with a PLC, a touch screen, a relay test module, an amplifying board test module, a sensor test module and a test bed scram loop; the line leading out from the first air vent is connected with the lighting equipment.

Preferably, the operation panel circuit comprises a second air switch, a parallel circuit led out from the second air switch is respectively connected with a third air switch and a third circuit breaker, and the circuit led out from the third circuit breaker sequentially passes through a second transformer and a fourth circuit breaker and is connected with the adjustable direct current source module; the circuit led out from the third air switch passes through the third transformer and the fifth circuit breaker in sequence and is respectively connected with the three-phase power supply module, the electric leakage tester, the insulation tester and the motor control module through parallel circuits.

The three-phase power supply module comprises a double-path direct-current voltage source, a direct-current constant current source and a 230V power supply.

Preferably, the motor circuit comprises a sixth circuit breaker, a parallel circuit led out from the sixth circuit breaker is respectively connected with a seventh circuit breaker, an eighth circuit breaker and a ninth circuit breaker, the circuit led out from the seventh circuit breaker is connected with the motor through a frequency converter, and the circuit led out from the eighth circuit breaker is connected with the motor through a star-delta starting circuit; the line leading out from the ninth circuit breaker outputs 380V power.

The beneficial effects of the utility model are as follows: the detection table operation panel disclosed by the utility model adopts a modularized design, a plurality of selectable power supplies are designed, a modularized detection module is convenient to combine any detection circuit, and the electrical elements on the shield machine can be accurately detected by utilizing a plurality of detection devices; the method can also be used for carrying out practical operation training and fault handling training aiming at different electric loop principles. The performance and faults of the electrical elements of the shield tunneling machine can be monitored and detected in real time, and the detection efficiency is effectively improved. Through periodic detection, potential hidden danger can be found and solved in time, and the occurrence probability of faults is reduced, so that the downtime is reduced, and the method has obvious advantages in the aspects of improving construction quality and reducing the downtime of faults.

The movable detection table is beneficial to improving the reliability and the service life of equipment and ensuring that the equipment operates under good working conditions. Meanwhile, the maintenance cost can be reduced, and equipment damage caused by faults is avoided. The detection platform also has higher requirements on safety, monitors the safety performance of the electrical elements in real time, and ensures the safety in the construction process. The movable shield machine electric element detection table has strong adaptability and data management capability, can be adjusted according to different types of shield machines and construction site environments, and meets various detection requirements.

In a word, compared with the prior art, the detection range of the movable shield machine motor original detection table is more comprehensive, and the movable shield machine motor original detection table has remarkable effects in the aspects of improving construction quality, reducing fault downtime, guaranteeing safe and reliable operation of equipment and the like, and provides an effective detection means for shield machine users. Through periodic detection, the equipment is ensured to run in the optimal state, and the power is contributed to the tunnel engineering construction in China.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic front view of the present utility model.

Fig. 3 is a schematic side view of the present utility model.

FIG. 4 is a schematic view of a PLC of the present utility model.

Fig. 5 is a schematic diagram of a frequency converter according to the present utility model.

Fig. 6 is a circuit diagram of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, embodiment 1, a mobile shield tunneling machine electrical element detection table includes a mobile frame 100, and a traveling wheel 5 is disposed at the bottom of the mobile frame 100, so that the detection table can be conveniently moved on a construction site or other sites. The travelling wheel 5 is made of rubber, is firm and wear-resistant, and can adapt to different terrains, so that the electric element detection table of the mobile shield tunneling machine can be moved more easily. The movable frame body 100 is provided with an insulating operation table 7, the insulating operation table is made of antistatic insulating rubber materials, and the tabletop is fireproof, waterproof, highly wear-resistant, firm in structure and round in design, so that a safe operation space is provided. The insulating operation table 7 is provided with the top box body 1 and the motor 4, and the top box body 1 provides a hiding space for circuit arrangement and provides attractive appearance. The motor provides a power source for the corresponding detection element. The connection transition between the insulating console 7 and the top box 1 is provided with a modular operating panel 3. Through the modularized design of the detection platform, the detection platform has good universality and expandability. The double-door mesh plate 6 convenient for disassembling and assembling components is arranged on the top box body 1, the double-door mesh plate 6 can be a hole plate, the double-door mesh plate is designed, the components are convenient to install and put, and one person can complete the production procedures and processes of electric products such as layout, installation, wiring, debugging, fault finding and elimination of the components and the wire slots. In addition, the mesh plate of the detection table is beneficial to the installation of devices and the placement of equipment. The modular design of the device is easier to realize through the mesh plate, components are integrated into different modules, the mesh plate is loaded and used, in the use process, a user can better observe the shape and the wiring mode of the components, a beginner is facilitated to know and use the electric components of the shield tunneling machine, and teaching is facilitated for the beginner. The components are communicated with the operation panel 3 and the motor 4 through internal circuits. Wherein 1 or more motors 4 may be used. The motor 4 can adopt a 0.75KW three-phase asynchronous motor, the wiring terminal is led out to the operation panel, and the motor can be connected into a star-shaped structure and a triangle-shaped structure according to the requirement. As shown in fig. 4 and 5, the components on the double door mesh plate 6 include a PLC10, a frequency converter 11, a touch screen 12, a lighting device and other components or circuit modules; such as a relay test module, an amplification board test module, a sensor test module, etc. The frequency converter adopts modular design, can conveniently place and use on the operation panel, can start the test to the motor through the frequency converter, can be connected with PLC and display screen simultaneously, real-time feedback motor operation condition can be with visual demonstration of motor operation data on the display screen, conveniently controls the motor simultaneously. The PLC module can monitor the running state of the detection platform in real time, collect and process various signals in real time, the processing results can be displayed to a user through the display screen on the detection platform, and the PLC module provides a stable man-machine interaction interface for the detection platform, so that the detection results of different components of the detection platform can be fed back to an operator more intuitively, the function enables the equipment to be not only shield machine electric element detection equipment, and the operator can conduct teaching on a beginner through the man-machine interaction interface, so that the equipment has a certain teaching effect.

In this embodiment, in order to further improve the storage function of the device, the lower portion of the movable rack 100 is provided with a storage box chamber, and the storage box chamber includes a plurality of drawers 8 and a bottom cabinet 9 arranged in a row. The storage box chamber is positioned below the insulating operation table 7 and is matched with the insulating operation table 7. The edges and corners of the top box body 1 are provided with protection corners 2. The top box body 1, the box plate connection protection angle 2, the drawer 8 and the bottom cabinet 9 are made of aluminum alloy materials, the structure is complete, the drawer and the cabinet are firm and light, and the drawer and the cabinet can be used as common tools of shield machines or for placing professional books.

As further preferable, as shown in fig. 2 and 3, the modularized operation panel 3 includes a slope clamping groove 31, and a main power module 32, a three-phase power module 33, an adjustable direct current source module 34, a leakage tester 35, an insulation tester 36 and a motor control module 37 are clamped in the slope clamping groove 31; the power supply requirements of different elements are met. The total power module 32 provides an independent isolated three-phase 380V voltage output; the power supply output has the functions of automatic protection, audible alarm, fault display and recording, and is convenient for subsequent inquiry and examination. An LCD voltmeter is arranged to indicate the output three-phase line voltage and the three-phase voltage. Meanwhile, the multipurpose power strip is provided for providing working power for external instrument equipment and computers. 0V, 6V, 9V, 12V, 15V; 0. the 9V low-voltage alternating current power supplies are 1 path each, the current is 1.0A, and the output voltage can be regulated by +/-20%.

The detection platform is designed to be a main control power supply, a high-sensitivity three-phase circuit breaker is used as a main switch, a strong current part is used for controlling the output of the three-phase power supply by starting, stopping and emergency stop, meanwhile, the three-phase strong current output is also provided with 3A overcurrent circuit breaker protection, the three-phase strong current output is used as backup protection and used as insurance for protecting backup protection in failure, and three-phase 380V and three-phase 220V are output power supplies through an isolation transformer. The design is provided with a plurality of electric element detection devices aiming at key parameters of different electric elements, the detection deck plate adopts a modularized design, 8 paths of industrial-grade new national standard single-phase power sockets are used, and the detection deck plate is provided with a switch control, an alternating current digital voltmeter, an alternating current digital ammeter, a direct current digital voltmeter, a direct current digital ammeter, an intelligent multifunctional electric power instrument, a low-voltage alternating current power supply, a fixed output direct current stabilized voltage power supply, a double-path adjustable direct current stabilized voltage power supply, a DDS function signal generator and an adjustable direct current constant current source.

In addition, the design function of the movable shield machine electric element detection table is comprehensive, the complete form is suitable for detecting most electric elements, the detection module can be increased or reduced according to equipment requirements, the common detection function of the shield machine detection table is reserved, the volume of the movable shield machine electric element detection table is reduced, the movement of the detection table on the shield machine is convenient under the premise of ensuring the function of the detection table, the functionality of the detection table is ensured, and the convenience of the detection table is improved. The specific selected functions can be adjusted according to the site situation, and different embodiments can be expanded and extended according to the method.

As shown in fig. 6, in embodiment 2, on the basis of embodiment 1, the internal circuit includes a 380V power line X1, the 380V power line X1 is connected to a total circuit breaker QF1, and one circuit led out from the total circuit breaker QF1 is connected to a component circuit, and the other circuit is connected to a contactor KM1; one line led out from the contactor KM1 is connected to the operation panel line, and the other is connected to the motor line.

Further, the connecting component circuit comprises a first breaker QF10 and a first air-break QF11 which are arranged in parallel, the circuit led out from the first breaker is sequentially connected with a first transformer 1-1 and a second breaker QF14, and the parallel circuit led out from the second breaker QF14 is respectively connected with a PLC, a touch screen, a relay test module, an amplifying board test module, a sensor test module and a test bed scram loop. The line led out from the first air-break QF11 is connected with the lighting equipment; the illumination of the laboratory bench is powered. The KM1 is closed or opened under the control of a sudden stop loop, and is used as a sudden stop protection to disconnect the total power supply of the experiment table. The first transformer 1-1 is a 380V/24V transformer.

Further, the operation panel circuit comprises a second air-break QF3, parallel circuits led out from the second air-break QF3 are respectively connected with a third air-break QF8 and a third circuit breaker QF9, and the circuits led out from the third circuit breaker QF9 sequentially pass through a second transformer 1-2 and a fourth circuit breaker QF13 and are connected with an adjustable direct current source module 34; the line led out from the third air-break QF8 passes through the third transformer 1-3 and the fifth breaker QF12 in sequence, and is respectively connected with the three-phase power module 33, the leakage tester 35, the insulation tester 36 and the motor control module 37 through parallel circuits. The second transformer 1-2 is a 380V/(0-250V) transformer; the third transformer 1-3 is a 380V/230V transformer.

Preferably, the three-phase power module 33 includes a two-way dc voltage source, a dc constant current source, and a 230V power source. The double-path direct current voltage source provides a double-path direct current 0.0-30V/0-1.0A continuous adjustable regulated power supply; the voltage stability is less than or equal to 1 percent, the current stability is less than or equal to 1 percent, the adjustment precision is 0.5 percent, the ripple voltage is less than 0.5mV, each circuit has three-half LED digital voltmeter indicating output voltage and is provided with the functions of short circuit, overcurrent soft cut-off protection and automatic recovery, and the two circuits of adjustable output voltages are completely independent and can be used in any combination; providing a direct current + -12V/0.5A and + -5V/0.5A stabilized voltage supply; the voltage stability is less than or equal to 1%, the ripple voltage is less than 0.5mV, each path has a light emitting diode indicating output voltage, and the device is provided with overcurrent short-circuit protection, audible and visual alarm and automatic recovery function for fault elimination. The direct current constant current source is a 0-200mA continuously adjustable constant current source, the direct current constant current source is divided into two gears of 20mA and 200mA, the maximum output voltage is 30V, open circuit protection is arranged, the adjustment precision is 1 per mill, the stability is 0.5%, the three-position half LED digital ammeter displays output current, and the display precision is 0.5 level.

The motor circuit comprises a sixth breaker QF2, parallel circuits led out from the sixth breaker QF2 are respectively connected with a seventh breaker QF5, an eighth breaker QF5 and a ninth breaker QF7, the circuit led out from the seventh breaker QF5 is connected with the motor through a frequency converter 11, and the circuit led out from the eighth breaker QF5 is connected with the motor through a star delta starting circuit; the line leading from the ninth circuit breaker QF7 outputs 380V power.

The test bed incoming line is that a 380V power supply is connected to an incoming line total breaker QF1, and the incoming line power supply is made of three-phase five wires; one power supply is led out from the QF1 and used as a control power supply, the control power supply is reduced to be a direct current 24V power supply through a QF10 breaker, and the direct current 24V power supply is used for supplying power to control elements such as a PLC, a touch screen, a relay, an emergency stop loop and the like, and QF11 is used for supplying power for illumination of a laboratory bench; a power supply is led from QF1 to a power supply contactor KM1, and the on/off of the power supply contactor KM1 is controlled by a scram loop to serve as the scram protection and disconnection of the total power supply of the experiment table; the contactor KM1 is led out of a power supply, QF3 is passed through QF8 and then respectively passed through an isolation transformer, and is reduced to AC 230V, and is used as an AC 230V total power supply, and at the same time, the power supply is supplied to each AC element, and QF9 is passed through a voltage regulating transformer, and the outlet voltage can be regulated at 0-250V in AC, and is used as an AC regulating power supply, so that different grades of AC voltages can be provided; the contactor KM1 is led out of one power supply, and after QF2, the power supply is respectively connected to the frequency converter through QF5, the star-delta motor starting loop through QF6 and the star-delta motor starting loop through QF7 to serve as an alternating current 380V main power supply.

The structure design enables the detection platform to have good universality and expandability through the modularized design of the detection platform, and can be used for conveniently and rapidly disassembling and assembling electrical elements such as contactors, relays, amplifying plates, sensors and the like. The design platform provides the access power of corresponding standard for the electrical component of different models, utilizes the simple test circuit of design platform modularization and the comprehensive detecting instrument of function, can measure the function of components and parts and whether normal, can detect the key performance parameter of components and parts, and through the normal function and the key parameter that should be when using this components and parts contrast, can judge whether components and parts damage. That is to say, the detection table can be used for accurately detecting the electric elements on the shield tunneling machine, and can be used for carrying out experimental teaching on personnel through the detection table while solving the problems, so that the key parameters of the elements are shown for the other people. The result is that whether utilize this design can judge the electrical component fast and damage, can find the reason and the position that the trouble appears accurately, through the visual data information that the test bench provided on operating panel to reach this design and provide one kind and can move on the shield constructs the machine, can be to the design purpose of the electrical component test bench of the accurate detection of trouble position.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a portable shield constructs quick-witted electrical component detection platform which characterized in that: the device comprises a movable frame body (100), wherein an insulating operation table (7) is arranged on the movable frame body (100), a top box body (1) and a motor (4) are arranged on the insulating operation table (7), and a modularized operation panel (3) is arranged in a connection transition area between the insulating operation table (7) and the top box body (1); the double door mesh plate (6) which is convenient for disassembling and assembling components is arranged on the top box body (1), and the components are communicated with the operation panel (3) and the motor (4) through internal circuits.

2. The mobile shield tunneling machine electrical component inspection station according to claim 1, wherein: the lower part of the movable frame body (100) is provided with a storage box chamber, and the storage box chamber is positioned below the insulating operation table (7) and is matched with the insulating operation table (7).

3. The mobile shield tunneling machine electrical component inspection station according to claim 2, wherein: the storage box comprises a plurality of drawers (8) and a bottom cabinet (9) which are arranged in a row; a protection angle (2) is arranged at the edge of the top box body (1); the bottom of the movable frame body (100) is provided with a travelling wheel (5).

4. The movable shield machine electrical component detection table according to any one of claims 1 to 3, wherein: the modularized operation panel (3) comprises a slope clamping groove (31), wherein a total power supply module (32), a three-phase power supply module (33), an adjustable direct current source module (34), a leakage tester (35), an insulation tester (36) and a motor control module (37) are arranged in the slope clamping groove (31).

5. The mobile shield tunneling machine electrical component inspection station according to claim 4, wherein: the components on the double-door mesh plate (6) comprise a PLC (10), a frequency converter (11), a touch screen (12) and lighting equipment.

6. The mobile shield tunneling machine electrical component inspection station according to claim 1 or 5, wherein: the internal circuit comprises a 380V power line (X1), wherein the 380V power line (X1) is connected to the total circuit breaker (QF 1), one circuit connecting component circuit and the other circuit connecting contactor (KM 1) are led out from the total circuit breaker (QF 1); one line led out from the contactor (KM 1) is connected with the operation panel line, and the other line is connected with the motor line.

7. The mobile shield tunneling machine electrical component inspection station of claim 6, wherein: the circuit of the connecting component comprises a first breaker (QF 10) and a first air switch (QF 11) which are arranged in parallel, the circuit led out from the first breaker (QF 10) is sequentially connected with a first transformer and a second breaker (QF 14), and the parallel circuit led out from the second breaker (QF 14) is respectively connected with a PLC, a touch screen, a relay test module, an amplifying board test module, a sensor test module and a test bed scram loop; the line leading from the first air gap (QF 11) is connected to the lighting device.

8. The mobile shield tunneling machine electrical component inspection station of claim 6, wherein: the operation panel circuit comprises a second air switch (QF 3), parallel circuits led out from the second air switch (QF 3) are respectively connected with a third air switch (QF 8) and a third circuit breaker (QF 9), and the circuits led out from the third circuit breaker (QF 9) sequentially pass through a second transformer and a fourth circuit breaker (QF 13) and are connected with an adjustable direct current source module (34); the circuit led out from the third air switch (QF 8) sequentially passes through a third transformer and a fifth breaker (QF 12) and is respectively connected with a three-phase power supply module (33), a leakage tester (35), an insulation tester (36) and a motor control module (37) through parallel circuits.

9. The mobile shield tunneling machine electrical component inspection station of claim 8, wherein: the three-phase power supply module (33) comprises a double-path direct-current voltage source, a direct-current constant current source and a 230V power supply.

10. The movable shield machine electrical component detection table according to any one of claims 7 to 9, wherein: the motor circuit comprises a sixth breaker (QF 2), a parallel circuit led out of the sixth breaker (QF 2) is respectively connected with a seventh breaker (QF 5), an eighth breaker (QF 5) and a ninth breaker (QF 7), the circuit led out of the seventh breaker (QF 5) is connected with the motor through a frequency converter (11), and the circuit led out of the eighth breaker (QF 5) is connected with the motor through a star delta starting circuit; A380V power supply is outputted from a line led out from a ninth circuit breaker (QF 7).