64results about How to "Shorten incident handling time" patented technology

The invention discloses a remote and intelligent traffic accident management device. The remote and intelligent traffic accident management device comprises an event obtaining module, a vidicon distribution obtaining module, a phone number obtaining module, an event confirmation module, an image snapshot processing module, a voice broadcast control module and a central processing unit. Accident occurrence information is obtained from an external interface, an accident point vidicon is invoked and an accident site picture is snapshot according to the accident point position information included in the obtained accident occurrence information and information base of vidicon distribution points, judgment whether a broadcasting device exists in an accident point site or not is made according to external field broadcast distribution point information, the voice broadcast control module is utilized to conduct remote guidance on the site if the broadcasting device exists, and remote site guidance is performed through a short message or voice communication if no broadcasting device exists. The remote and intelligent traffic accident management device has the advantages that remote accident management and control can be achieved, accident handling time is shortened, and road traffic jam and possibility of secondary accident occurrence are avoided.

The invention discloses an in-network quick standby coordination and optimization scheduling method used after high-power vacancy accidents. The method includes the steps that firstly, with the maximum of usable power transmitting capacity among all regions and residual standby capacity of all sub regions as the optimization target, meanwhile, the constraint conditions such as province discontinuity surface quota and region standby limit are considered, and an allocation scheme among all provinces and cities of the standby assembling amount is solved; furthermore, an allocation principle among units of the standby assembling amount of all the provinces and cities is obtained. According to the method, through network and province two-level scheduling and coordination control, the coordinated optimization scheduling of province-to-province emergency power support after the high-power vacancy accidents is achieved, and quick processing of power lack disturbance is guaranteed.

The invention relates to the field of intelligent monitoring, communication and adjustment of high-speed railway power supply and discloses a dynamic intelligent fault-monitoring and adjusting system and method for an overhead contact system. The dynamic intelligent fault-monitoring and adjusting system comprises a front device and a scheduling terminal device; the scheduling terminal device is a computer terminal; the front device comprises a data acquisition module and a data processing and control module; the data acquisition module is used for acquiring state values A and B, temperature, humidity, wind speed, wind direction and locomotive passage of an overhead contact system compensator and acquiring data; the data processing and control module comprises a single-chip microcomputer and a data processing circuit composed of the single-chip microcomputer; the whole data processing and control module is used for processing the data acquired by the data acquisition module and generating and storing corresponding data tables through the acquired data according to the time. The dynamic intelligent fault-monitoring and adjusting system and method has the advantages that faults of the overhead contact system, such as positioner shedding from the broken line, main line or curved line, and terminal anchoring clamp breakage, can be efficiently and accurately detected, the state of the overhead contact system can be accurately judged, and operational safety of an electrified railway is greatly guaranteed.

The invention provides a data mining-based power distribution network fault precise localization method. Data mining is introduced into the power grid dispatching field; based on Fourier analysis on historical fault trips, a clustering algorithm is adopted to establish the vector cluster of fault trip locations; the location of a tripping switch on which a new fault occurs is judged through calculating the similarity between the fault frequency domain characteristic vector of the new fault and the characteristic vectors of each cluster; and a fault range is locked based on the location of the tripping switch. According to the method, the range of an actual fault is judged through the change of the electric quantity of a high-voltage level outgoing switch, and therefore, the problem of incomplete coverage of special data dispatching networks in China can be solved, especially, problems in fault localization of an urban distribution network and a rural power grid can be solved, accident processing time for the faults of the distribution network and the rural power grid can be shortened, and power outage time can be reduced.

The invention discloses a rolling method for preventing hot-rolled strip steel with the thickness of 4mm or less from deviating. The convexity of the strip steel is controlled to be 40-60 microns, the wedge is controlled to be smaller than or equal to 20 microns, the precision rolling temperature is 1,060-1,100 DEG C, and the finishing rolling temperature is controlled to be 890-910 DEG C; three front precision rolling machine frames F1, F2 and F3 are subjected to great rolling reduction, the rolling reduction rate is 33-56 percent, the tension of the strip steel is adjusted from conventional 5-9MPa to 8-16MPa, the rolling reduction rate of four rear machine frames F4, F5, F6 and F7 is 11-35 percent, and the tension of the strip steel is adjusted from conventional 8-13MPa to 14-23MPa. Technical parameters of a rolling process are optimized, the rolling method in which rolling force plays a leading role is changed, and the rolling method in which tension plays a leading role is innovated; the influences of non-uniform horizontal temperature, wedging and cambering in the rolling process of the strip steel are overcome by increasing the tension, the rolling method is easy to operate and has a convenient adjusting function, and the phenomenon of small specification deviation is greatly reduced, so that the success rate of small specification rolling is improved from 73 percent to 99 percent.

The invention provides an automatic collecting and publishing device for grid fault information. The automatic collecting and publishing device comprises a central processing unit, a remote signaling collecting module, a logical judging module, a remote metering collecting module, a fault information outputting module and a communicating interface; remote signaling signals in an automatic system can be collected and dispatched in real time by the remote signaling collecting module, remote metering signals in the automatic system can be collected and dispatched in real time by the remote metering collecting module, and collected information can be analyzed by the logical judging module; when a grid system is in fault, the central processing unit can compare the collected information with a criterion set by the logical judging module to determine whether the grid system is really in fault; the remote metering collecting module can calibrate a remote metering quantity of faulty equipment and a current state of the equipment, and the fault information outputting module can push specific fault information to a regulating diary system through the communicating interface after the remote metering quantity of the fault equipment and the current state of the equipment are correctly calibrated. The automatic collecting and publishing device can greatly reduce accident handling time of a regulator and improves accident handling efficiency of the regulator.

The invention provides an automatic centering coiling device and method for a hot rolled coil separating line. An encoder is arranged in the operation direction of a coiling reel; limiting switches are arranged on central lines of an inlet stepping beam and a preparation station respectively; a coiling reel automatic positioning control program is added in an addition function control block FC; and the actual stop position D of the coiling reel is set to meet the formula that the D is greater than or equal to L-delta L, but less than or equal to L+delta L. When a stop iron of the coiling reel is in contact with the limiting switch on the stepping beam, the code value of the encoder is cleared; when the stop iron of the coiling reel is in contact with the limiting switch of the preparation station, the initial code value X is recorded; when the coiling reel is stopped, the code value Y is recorded timely, and the position deviation delta L of the coiling reel and the stop position D of the coiling reel are calculated; if D is greater than L+delta L, a set draw-back distance of the coiling reel is controlled; and if the D is less than L+delta L, a set advancing distance of the coiling reel is controlled. Therefore, the position deviation of the coiling reel is controlled to be within + / -50 mm, the coiling time is shortened, the equipment operation rate is improved and the steel coil falling accidents are avoided.

The embodiment of the invention provides a traffic accident processing method, a system and a server. As the embodiment of the invention receives the traffic accident scene information, obtaining thespecified incident analysis model, accident analysis model based on assignment, according to the traffic accident scene information, generating traffic accident liability identification information, Ability to use a specified incident analysis model, there is no need for traffic policemen and insurance personnel to go to the scene to investigate, no traffic accident personnel are required to waitat the scene, on the one hand, it saves manpower cost, so that the accident processing time is reduced, so that the accident processing speed is improved, on the other hand, the waiting time of the traffic accident personnel is greatly reduced, so that the traffic accident personnel without serious hindrance can leave the accident scene quickly, traffic congestion is avoided or the congestion timeis shortened, and the problem of high human cost and more time-consuming of the traffic accident processing flow in the prior art is solved to a certain extent.

The invention discloses a high-place operation buffer for electric line repairing. The high-place operation buffer comprises a shell, wherein a second telescopic rod and a first telescopic rod are arranged at the upper end and the lower end of the shell respectively in a sliding manner; a second top plate and a first top plate are arranged at the ends, positioned on the inner side of the shell, of the second telescopic rod and the first telescopic rod respectively; secondary springs are arranged on the second telescopic rod on the upper side of the second top plate and on the first telescopic rod on the lower side of the first top plate in a sleeving manner; switches are arranged on the inner walls of the outer rings of secondary spring accommodating grooves in the top and bottom of the shell; a plurality of primary springs are uniformly arranged on the outer rings of the lower side of the second top plate and the upper side of the first top plate; a warning device is arranged in the middle of one side face of the shell. The high-place operation buffer is stable in structure, reasonable in design, safe and reliable to use, and easy to popularize and use, can effectively buffer and protect fallen workers, automatically gives an alarm, shortens the accident handling time, and reduces the injury risk of the workers.

Provided is a method for realizing rapid load pulling based on a power grid topology structure. Based on a power grid control integrated technology support system, embedded power grid topology analysis rules, and the parallel control technology, the end load switch can be rapidly positioned through power grid topology analysis and the one-button batch load pulling is realized by means of the parallel remote control technology. By changing the common thought about conventional power grid load pulling, the load pulling operation is executed on the power grid end load side switch, and the rapid load pulling can be realized when the power grid has big accidents, the method provided is not influenced by the power grid operation mode and the equipment state, is high in reliability, can make valuable golden time for serious power grid accidents, and effectively prevent power grid breakdown events. In the case of an accident, the accident handling time and the power failure range can be maximally reduced, and the user's bad feelings can be reduced. Moreover, the artificial workload can be effectively reduced, the work efficiency and work quality of accident emergent load pulling management can be improved, and good economic and social benefits can be guaranteed.

The invention relates to a cold-rolled wire steel reversing device which comprises a winch and a pushing plate. The winch is connected with a driving motor through a motor speed reducer in driving mode, the winch is provided with a U-shaped groove, the pushing plate is connected with a guide rod of a cylinder, a through groove matched with the winch is arranged on the pushing plate, and the U-shaped groove of the winch penetrates through the through groove. The cold-rolled wire steel reversing device can draw back steel bars in a wire feeding machine when high-speed cold-rolled wire is in rolling wire accidental state, reduces hand labor, greatly saves accident handling time, and improves starting rate of high-speed cold-rolled wires.

The invention discloses an intelligent managing device for condition based maintenance of a 10-20kv transformer. The intelligent managing device comprises a running state signal data collecting circuit of station area equipment of the transformer, a signal data calculation judging circuit and a signal communication circuit. The running state signals of various equipment of a station area equipment system of the transformer are collected by the running state signal data collecting circuit of the station area equipment of the transformer and are output to the signal data calculation judging circuit. The signal data calculation judging circuit is in output connection with the signal communication circuit. The signal communication circuit is connected with a state maintenance intelligent managing command center of network distribution power supply equipment or mobile phones of electricians. The abnormal circumstances of running data such as voltage, current, temperature and the like of a station area power distributing device of a distributing transformer can be known by the state maintenance intelligent managing device at any time by remote measuring and the remote signaling, the maintenance is planned in time according to the running state of the equipment on site, the processing time of accidents is shortened, the power supply volume is improved, and the creditworthiness of power supply enterprises is improved.

The invention relates to a repairing device for an electric power circuit and in particular relates to an ice melting device for an electric pole and an ice melting method thereof. The technical scheme is as follows: the ice melting device mainly comprises a liquefied gas fire-jetting head, a wind screen, more than one distance limiting rod, trundles, an insulation rod, a gas pipeline and a liquefied gas steel cylinder, wherein the wind screen is fixed at the top of the insulation rod; the liquefied gas fire-jetting head is movably connected to the inner side of the wind screen; the liquefiedgas fire-jetting head is communicated with the liquefied gas steel cylinder through the gas pipeline at the outer side of the wind screen; the more than one distance limiting rod is arranged inside the wind screen; and the trundles are arranged at external ends of the distance limiting rods. The ice melting device for the electric pole has the advantages that the ice melting device is suitable for various rods, the operation length is adjustable, the use is convenient, the wind resistance capability is strong, the ice melting speed is high, the electric pole is prevented from being damaged, the handling time for circuit accidents is greatly shortened, and the safety of urgent repairers is ensured.

The invention relates to a power grid equipment performance perception and evaluation method. Equipment state type information is determined through a typical abnormity and fault type in operation of transformer substation operation, and acquired information of each parameter in a power transmission line is acquired as a reference value of equipment output data. According to the actual condition and environment of the transformer substation, a transformer substation equipment sample database is established. Furthermore whether equipment performance abnormity occurs is determined according to acquired self-testing information for equipment state. The power grid equipment performance perception and evaluation method realizes simple operation and can monitor performance of the power grid equipment in time, thereby predicating fault information of faulted electrodes in advance, notifying personnel in time, shortening accident handling time, ensuring safe and reliable operation of the power grid and preventing power grid abnormities.

The invention discloses an intelligent heat supply informatization management platform which comprises a heat supply network monitoring center, a secondary network balance system, a room temperature monitoring system, an operation charging system, a customer service management system, a data warehouse and a safety monitoring system. On the basis of automatic control of an existing water mixing station, a heat supply network monitoring center serves as a core and is fully fused with a secondary network balance system, a room temperature monitoring system, an operation charging system, a customer service management system and other systems, an intelligent heat supply informatization management platform is constructed, data sharing and interaction among all the systems are effectively achieved, and the intelligent heat supply informatization management system has the advantages of being high in automation degree and high in reliability. According to the system and the method, the'data island 'effect is broken through, the heat supply system is efficiently and accurately operated and managed, the effects of scientific scheduling, energy conservation, efficiency improvement and accident reduction are well achieved, and then higher-quality and more comprehensive heat supply service is provided for users.

The present invention is an over-temperature alarm for the connection point of distribution transformer outlet, which includes a signal acquisition circuit, a signal judgment circuit, and an optical transceiver circuit; Connect the signal judging circuit and the optical transceiver circuit; the output of the signal judging circuit is connected to the optical transceiver circuit; the optical transceiver circuit is connected to the optical fiber communication cable and the electrical optical fiber communication cable circuit is connected to the intelligent control center of the distribution network; the present invention realizes on-line monitoring of the temperature at the junction of the outlet wire of the distribution transformer , intelligent alarm; the distribution network intelligent control center can also check the temperature value of the connection of each distribution transformer outlet wire. When the temperature of the distribution transformer outlet wire connection exceeds the specified value, the signal acquisition and judgment circuit will immediately transmit the over-temperature signal Provide remote alarm to the transmitting circuit of the optical transceiver, and the on-duty personnel will go to the scene to deal with the accident immediately after receiving the alarm, shorten the time for troubleshooting electrical equipment, reduce the damage rate of equipment, improve the reliability of power supply, and increase the benefits of enterprises and society.

The invention discloses an emergency accident linkage alarm device, which comprises a material distribution microcomputer control system, and is characterized in that: an instrument data monitor of the material distribution microcomputer control system is provided with a sound alarm device, and the sound alarm device is connected with instrument monitoring flow meters of small belt weighers. In the emergency accident linkage alarm device, the fluctuation of components of a raw material is reduced, the quality passing rate is ensured, the downtime and quality accidents due to vehicle sticking caused by not timely adjusting a fuel solvent are reduced; and after a sound control system is installed, the accident rate is reduced, and the accident handling time is shortened, and thereby the labor intensity of workers is reduced, and the labor productivity is improved.

The invention relates to a field manual correction device and correction method for a continuous annealing furnace, and belongs to the technical field of production equipment for cold-rolled strip steel in the metallurgical industry. The following technical scheme is adopted: one end of each of two transmission rods (1) which are arranged in parallel is fixed to a connection plate (16); a jack (4)is in drive connection with the connection plate (16); the other end of each of the two transmission rods (1) which are arranged in parallel is fixedly connected with a correction disc (6); a strip steel guide plate (7) is arranged on the correction disc (6); a V-shaped groove is formed in the strip steel guide plate (7); a scale (8) is arranged on each transmission rod (1); and each transmissionrod (1) is fixed to a support (5) through a location ring (17). The field manual correction device and correction method have the following beneficial effects: strip steel which is seriously deflected and even hung onto a furnace wall in the continuous annealing furnace can be manually recovered to a normal position in the field in the case of not opening the annealing furnace, so that the accident handling time is greatly shortened, and lots of energy consumption caused due to blow-in of the annealing furnace is avoided.

The present invention discloses a power grid regulation and control integration monitoring information intelligent processing system, and relates to the technical field of monitoring of power grid scheduling. The system comprises a data acquisition module, a hierarchical fault diagnosis module, a early warning module and a monitoring module. The system assists scheduling personnel to process massive information, so as to avoid occurrence of miss monitoring and erroneous monitoring accidents; by means of real-time monitoring and development and application of accident alarm and assistant decision functions, the ability of controlling a modern power grid of power grid scheduling and running personnel can be effectively improved, so as to ensure system security; operation time of power disconnection and transmission is shortened; and a fault property is automatically discriminated, thereby avoiding occurrence of manual operation accidents, shortening accident processing time and improving power supply reliability, so that the system has significant security, economic and social values.

The invention discloses a rolling method for preventing hot-rolled strip steel with the thickness of 4mm or less from deviating. The convexity of the strip steel is controlled to be 40-60 microns, the wedge is controlled to be smaller than or equal to 20 microns, the precision rolling temperature is 1,060-1,100 DEG C, and the finishing rolling temperature is controlled to be 890-910 DEG C; three front precision rolling machine frames F1, F2 and F3 are subjected to great rolling reduction, the rolling reduction rate is 33-56 percent, the tension of the strip steel is adjusted from conventional 5-9MPa to 8-16MPa, the rolling reduction rate of four rear machine frames F4, F5, F6 and F7 is 11-35 percent, and the tension of the strip steel is adjusted from conventional 8-13MPa to 14-23MPa. Technical parameters of a rolling process are optimized, the rolling method in which rolling force plays a leading role is changed, and the rolling method in which tension plays a leading role is innovated; the influences of non-uniform horizontal temperature, wedging and cambering in the rolling process of the strip steel are overcome by increasing the tension, the rolling method is easy to operate and has a convenient adjusting function, and the phenomenon of small specification deviation is greatly reduced, so that the success rate of small specification rolling is improved from 73 percent to 99 percent.

The invention relates to an overcurrent phase-missing remote alarm for a distribution transformer, comprising a signal acquisition circuit, a signal judgment circuit and a wireless alarm transmission circuit; the signal acquisition circuit is connected with the signal judgment circuit which is connected with the wireless alarm transmission circuit; when a high voltage and a lower voltage of the running distribution transformer generate overcurrent, or phase loss happens due to melt fusing of certain phase of fuse or other reasons, a current relay actuates to immediately transmit overcurrent and phase-missing signals to the wireless alarm transmission circuit, carries out remote alarming and transmit the alarming signal to a mobilephone of an operator on duty; the operator on duty goes to the site in the first time for processing as soon as acquiring the alarming situation; and therefore the time for processing electrical equipment malfunction is shortened, the power supply reliability is improved, and enterprise and social benefits are increased.

The invention discloses a remote alarm device used in the high voltage phase loss of distribution transformer. The remote alarm device comprises a signal acquiring circuit, a signal judging circuit and an alarm communication circuit, wherein the signal acquiring circuit is output and connected with the signal judging circuit; the signal judging circuit is output and connected with the alarm communication circuit; the alarm communication circuit is connected with a distribution network intelligent control center or connected to a mobile phone of an electrician; and in case of high-voltage power loss during running of the distribution transformer, the signal acquiring circuit acquires a phase loss signal of the high-voltage power supply and immediately sends the phase loss signal to an alarm transmitting circuit for remote alarm, and after receiving the alarm, an electrician on duty immediately arrives at the site to handle accidents. By applying an advanced electronic technology, the remote alarm device has the advantages that: accident handling time is shortened, power supply volume is increased, enterprise profit and social profit are increased; moreover, the remote alarm device has great significance for promoting the development of intelligentized technology of distribution systems.

The present invention relates to a rescue system for a collapse, in which a body detection unit is installed in order to detect the presence of people inside a building, and a tilt sensor and an acceleration sensor are installed in order to set changed tilt data and acceleration data as an event trigger signal, when an earthquake or external shock occurs. Moreover, by analyzing a signal measured in the body detection unit at a predetermined time before the event trigger signal occurs, if someone was in the building before a collapse accident, the place where people are buried is announced through a voice or Morse code via an alarm unit in order to perform a rescue operation quickly. As a result, accident mortality from a collapse may be drastically reduced.

The invention provides an induced frequency-discrimination open-phase remote alarm for a distribution transformer. The alarm comprises a signal collection circuit, a signal judgment circuit and a wireless alarm transmission circuit, wherein the signal collection circuit is connected with the signal judgment circuit; the signal judgment circuit is connected with the wireless alarm transmission circuit; and when a running distribution transformer is in open phase due to a fused melt or other reasons on a certain phase of fuse, an inductive electrode does not have induced electricity, the G electrode of an insulated gate field effect thyristor does not have electricity, the S electrode and D electrode of the insulated gate field effect thyristor are connected, a normally open contact of a solid state relay is closed, the open phase signal is instantly transferred to the wireless alarm transmission circuit to perform remote alarm, the signal is transferred to the mobile phone of an operator on duty, and the operator on duty can immediately process the power-off accident after receiving the alarm condition, so that the time for processing failure of electrical equipment is shortened, the power supply reliability is improved, and enterprise and social benefit are increased.

The invention discloses an intelligent judgment and automatic pushing method for an emergency plan of an intelligent power plant, and the method comprises the following steps: a,a plurality of emergency plans are designed; B, corresponding data is acquired by data acquisition; C, criteria are started; D, the ONCALL short message platform is predefined; E, the system automatically starts a corresponding emergency plan; F, an emergency response is started, and the information content is pushed to related personnel at the same time; G, after all disposition is completed, the emergency response isautomatically cancelled, and an ONCALL short message platform sends information to inform all related personnel. Compared with the prior art, the more rapid emergency disposal is achieved, whether the emergency response is started or not is autonomously judged according to the emergency plan starting condition, the reporting and notifying time can be shortened, and more time is won for emergencydisposal. And the emergency disposal key points are pushed autonomously, so that the disposal personnel can have basis during emergency disposal, the defect of dependence on working experience is avoided, the disposal accuracy and efficiency are improved, and potential safety hazards are reduced.

The invention relates to an electrical equipment fault monitoring logic judgment method. The method comprises the following steps: acquiring actuating quantity information of power grid fault moment,namely switch and protection action information; acquiring actuation information from a data collection and monitoring system and a circuit breaker and obtaining the fault time of each actuation nodeof a suspicious fault element; and online judging the equipment in fault in the power grid in real time and forming fault briefing, wherein a transformer substation comprehensively summarize the switch, the protection actuation information and the fault briefing information to form transformer substation fault data information; a scheduling center receives and analyzes the uploaded fault data information, and real-time diagnoses the power grid fault equipment by adopting a logical reasoning algorithm, and compares the diagnosis result with the fault diagnosis result of the transformer substation and checking the same. Through the judgment method disclosed by the invention, the fault information in the power grid equipment can be timely acquired, the accident processing time is shortened, the safe and reliable operation of the power grid is guaranteed, and the security of the power grid equipment is guaranteed, thereby preventing the power grid from abnormal condition.

The invention discloses a remote overtemperature alarm for a power cable head, and the remote overtemperature alarm comprises a signal collecting circuit, a signal judging circuit and an alarming communication circuit, wherein the signal collecting circuit collects a temperature signal from the junction point of the power cable head and the output of the signal collecting circuit is connected with the signal judging circuit; the output of the signal judging circuit is connected with the alarming communication circuit; and the alarming communication circuit is connected with a network distribution intelligent control center or the mobile phone of an electrician. The remote overtemperature alarm can be used for realizing on-line monitoring and intelligent alarming for temperature at the junction of the conducting wire of the power cable head; when the temperature at the junction of the outlet conducting wire of the running power cable head exceeds a specified value, an overtemperature signal is immediately transmitted to an emitting circuit to carry out remote alarming; an operator on duty obtains an alarming condition and reaches the field to handle the accident at once; the time of handling the failure of electrical equipment is shortened; the damage rate of the equipment is reduced; the power-supplying reliability is improved; and the enterprise benefit and the social benefitare increased.

The invention provides a rapid strip connection device and method for a broken steel strip in a suspension curing furnace, and belongs to the technical field of suspension curing furnace equipment and using methods. The rapid strip connection device and method are used for rapid strip connection of the broken steel strip in the suspension curing furnace. According to the technical scheme, steel stranded wires are embedded in the two sides of the steel strip in the suspension curing furnace, the two ends of each steel stranded wire are located at the two outer ends of the suspension curing furnace, and broken steel strip punching devices are arranged inside and outside the suspension curing furnace correspondingly. After the steel strip is broken in the suspension curing furnace, the broken steel strip is pulled out towards the two ends, the two ends of the steel stranded wires are connected with the broken steel strip segments at the two ends correspondingly, and then the connected broken steel strip segments are pulled out of the furnace to one side for further treatment. According to the rapid strip connection device and method for the broken steel strip in the suspension curing furnace, the structure is simple and compact, and operation is easy and fast; the broken steel strip in the suspension curing furnace can be handled rapidly on the premise that the furnace is not stopped, the maintenance time is shortened to one hour or less from the original several hours, the accident handling time is greatly shortened, the production efficiency is improved, and remarkable economic benefits are achieved.

The invention provides an axial side gap enlargement device for a blade of a disc shear. A sliding bar is arranged in a sliding sleeve with a spring, the sliding sleeve is connected to a disc shear body, and a bearing at the front end of the sliding bar is abutted against a disc shear blade shaft; the middle part of the sliding bar is connected with a connecting bar, a swinging bar penetrating through a through hole of a rotary shaft is movably connected with the connecting bar, the rotating shaft is movably connected to upper and lower supporting plates which are fixed on the upper surface and the lower surface of the sliding sleeve, and the other end of the upper supporting plate is provided with a travel switch. In the enlargement device, although the actual travel keeps unchanged during adjustment of a blade side gap, the range scope in the travel switch reflected by the swinging bar is enlarged by multiple times, thereby avoiding the exceeding of the extreme range of the blade side gap, preventing the seizing phenomenon of a blade side gap adjusting device, reducing the failure probability and accident handling time, prolonging the service life of the blade side gap adjusting device and effectively reducing the consumption of spare parts and production cost.

The invention discloses a signal linkage realization method of a subway integrated automation system. The method comprises the steps of acquiring working state information of subway signal equipment in real time; and carrying out a preset linkage emergency plan according to the working state information of the subway signal equipment. The method enables the subway integrated automation system to carry out the corresponding preset emergency plan according to the failure information reported by the signal system equipment so as to help schedulers to timely and quickly handle field accidents.