High-rise escape device capable of adjusting speed easily

The invention discloses a novel high-rise escape device. The novel high-rise escape device comprises a rope-winding device, a hydraulic passage device, a connecting device and a clamping device, wherein the rope-winding device and the hydraulic passage device is fixedly connected to the upper part of the clamping device; and the rope-winding device is connected with the hydraulic passage device through the connecting device. The novel high-rise escape device adopts a pure mechanical structure device and has the advantages of light weight, flexibility, simple operation and capacity of excellently fulfilling a high-rise escape task in the period of a fire disaster. An escape rope is wound on a shaft, and drives a main shaft to rotate in a descending process; the main shaft drives two hydraulic cylinders to do straight reciprocating motion through a crank sliding block mechanism in a rotating process; a passage which is filled with liquid is formed by the two hydraulic cylinders, a damping ...

Rolling linear guide friction force dynamic detection device and detection method thereof

The invention discloses a rolling linear guide friction force dynamic detection device and detection method thereof. The device comprises a bed body, a servo motor, a worktable, a mother lead screw, arolling linear guide, a slide block, an S type tension sensor, a forward limit switch, a reverse limit switch, a motion control card, a control panel and the like; based on the detection method of the device, firstly parameter is set, loading and running-in are carried out on the linear guide to be detected, then dynamic measurement is carried out on friction force and the measured data is analyzed, and finally the test data and result is saved and printed, qualification decision is given and measurement process is finished. The method of the invention can display distribution situation of dynamic measurement data in real time by a computer, and maximum, minimum and mean value thereof are calculated and compared with design standard of corresponding product and then are judged to be qualified ...

Method for upgrading cascade mode connected management module of wireless communication system

Method for synchronizing parameter of remote terminal RF unit in wireless communication system

The invention discloses a synchronization method of remote end radio frequency unit parameters that includes following processes: A. the remote end radio frequency unit is started to send parameter distribution requirement to base band control unit; B. the base band control unit sends the related parameter of the remote end radio frequency unit to the remote end radio frequency unit; C. the remote end radio frequency unit distributes the parameters based on received parameters to start normal work. The method of the invention obtains parameters from BBU when RRU is started to guarantee the RRU and relate parameters of RRU are in-phase, so the parameter synchronization is in time and reliable.

An alarming reporting method for multi-mode base station in wireless communication system

The invention discloses a method for reporting alarms of a multi-mode base station in a wireless communication system, which comprises the following steps: the unique mark for network management systems in various systems in the multi-mode base station is set; an alarm set for wireless communication systems in various systems is set; the network management mark set in the first step is delivered by the network management system to the multi-mode base station when the network management systems in various systems are connected to the multi-mode base station and the multi-mode base station saves the mark for network management systems in various systems and the communication address of the network management system; the multi-mode base station researches the alarm set so as to inquire the communication address of the network management system to which an alarm which is given out belongs after giving an alarm and reports the alarm to the corresponding network management system for the processing ...

High-rise escape device capable of adjusting speed easily

The invention discloses a novel high-rise escape device. The novel high-rise escape device comprises a rope-winding device, a hydraulic passage device, a connecting device and a clamping device, wherein the rope-winding device and the hydraulic passage device is fixedly connected to the upper part of the clamping device; and the rope-winding device is connected with the hydraulic passage device through the connecting device. The novel high-rise escape device adopts a pure mechanical structure device and has the advantages of light weight, flexibility, simple operation and capacity of excellently fulfilling a high-rise escape task in the period of a fire disaster. An escape rope is wound on a shaft, and drives a main shaft to rotate in a descending process; the main shaft drives two hydraulic cylinders to do straight reciprocating motion through a crank sliding block mechanism in a rotating process; a passage which is filled with liquid is formed by the two hydraulic cylinders, a damping ...

Ball screw spiral line error on-line detection method and device thereof

The invention discloses a ball screw spiral line error on-line detection method. The method comprises the following steps: installing a small-sized ball screw spiral line error detection component which is fixed relative to the a grinding wheel head rack on ball screw processing equipment-a numerically-controlled lead screw grinding machine body, and detecting the spiral line of a ball screw to be detected after a rough grinding process is completed to obtain a composite error comprising a ball screw spiral line error and a numerically-controlled lead screw grinding machine driving chain error; meanwhile, detecting the driving chain error of the numerically-controlled lead screw grinding machine through a circular grating and a long grating installed on the numerically-controlled lead screw grinding machine; and removing the detected driving chain error of the numerically-controlled lead screw grinding machine from the detected composite error to obtain the spiral line error of the ball ...

Device and method for automatically detecting composite errors of spiral inner raceway of ball nut

The invention discloses a method for dynamically detecting composite errors of a spiral inner raceway of a ball nut. The method comprises the following steps: firstly, preparing for sampling; secondly, sampling the position of each point on a normal section curve of the inner raceway of the ball nut to be detected when the ball nut is in a corner position; thirdly, rotating the nut to be detected by 180/n degrees, and then repeating the above steps 2n-1 times; and finally, processing the sampled data, thus obtaining the normal section error, pitch diameter error, lead and journey errors and the like of the nut to be detected. The invention also discloses an automatic detection device. The device is characterized in that a spectral confocal displacement sensor along with a two-dimensional fine-adjustment measuring frame can realize position adjustment of the ball nut to be detected in the axial plane; and meanwhile, the two-dimensional fine-adjustment measuring frame is driven by an axial ...

Electrical-adjusting antenna control method and system in the radio communication system

Method and system of remote managing peripheral device of base station in wireless communication system

The invention discloses a method for remote management of external equipment of a base station in a wireless communication system. The method comprises: the step of interactive execution of downlink management messages: an external equipment management unit sends the downlink management messages to the corresponding base station external equipment upon the transfer by a base station network management unit and a base station management unit, and the base station external equipment receives the downlink management messages and then executes the corresponding treatment; and/or the step of interactive execution of uplink management messages: the base station external equipment sends the uplink management messages to the corresponding external equipment management unit upon the transfer by the base station network management unit and the base station management unit, and the external equipment management unit receives the uplink management messages and then executes the corresponding treatment ...

An operation and maintenance method and system for multi-mode base station in wireless communication system

The invention relates to a multimode base station operation and maintenance method in a wireless communication system, which comprises the following steps: a setting step in which a symbol without a network management system, the symbols of the network management systems in various systems and the public resource configuration information are set and a configuration step in which the network management system applies the configuration and operation and maintenance to the public resources. The invention has the advantages that the network management systems in various systems can independently manage the public resources of the base station without causing the conflicts compared with the prior art; the network management system in one system can immediately inform other network management systems after modifying the public resources, thus increasing the operation friendliness of the network management system.

Special mechanism for automatically conveying high-temperature saw bit

The invention discloses a special mechanism for automatically conveying a high-temperature saw bit. The mechanism comprises a base, an upright post and the like, wherein the upright post is fixed on the base, a rotating crossarm is connected with the upright post and can rotate around the upright post, and a slider fixed on a conveyer belt is driven to move on a sliding guide rail by a sliding driving motor which is fixed on the rotating corssarm through pulley transmission; actions of a movable paw of clamping and loosening a high-temperature sheet are realized through the rotation of a clamping driving motor fixed on the slider; and the rotating driving motor is fixed on the base, an output shaft is provided with a pinion which is meshed with a circular arc rack fixed on the rotating crossarm to drive the rotating crossarm to rotate around the upright post, and a positioning pin on the rotating corssarm slides on the rotating guide rail during rotating so as to realize the function of ...

Equipment for testing vibration performance of air spring and method of using the same for testing

The invention relates to a vibration performance testing instrument and a testing method thereof, in particular to an equipment for testing vibration performance of an air spring and a method of usingthe same for testing. The invention resolves the technical problem by providing the equipment for testing vibration performance of the air spring, which has broad operating frequency and exciting force range and convenient and flexible selection of testing places and can prelabel parameters prior to an experiment and the testing method thereof. The technical scheme of the invention is as follows:the equipment for testing the vibration performance of the air spring comprises an electric vibration generator, a laser displacement sensor, an acceleration sensor and a force sensor. A signal generator and a power amplifier are connected with the electric vibration generator successively by an electric signal; the laser displacement sensor, the acceleration sensor and the force sensor transmitsignals ...

A method for realizing software version compatibility after single board hardware change

The invention discloses a method for achieving software version compatibility of changed hardware, which comprises firstly equipping a change mark on a single-board hardware for recording the currentchange frequency of the single-board hardware; then reading the change mark on the single-board hardware; searching the corresponding software file from a single-board software version file accordingtothe change mark, and loading the software file onto the single-board hardware. Compared with prior art, the method of the invention mainly has the advantages that: (1) a file of the same software ver sion can be used before and after changing the single-board hardware so that the software version file is compatible; and (2) the user can maintain the software version of the single-board hardwarewithout considering the difference before and after changing the single-board hardware, and only the software version file of the same version can be used to reduce the maintenance complexity of the single-board ...

Method for managing software version file in radio communication system

The invention discloses a method of managing software version files in a wireless communication system. The method comprises the following steps: packing the updated software version files into a mend software package; updating the software version files in the mend software package in a base station version server and notifying a base station to updating a base station version package; according to the notification from the version server, the base station downloading the updated software version files in the mend software package, resetting corresponding hardware and loading the updated software version files. The updated software version files in the mend software package can mix with the prior software version files in the base station version package, thereby avoiding the problem of conflicting software version files, and enabling a user not to care for a specific software version file. The system device only downloads the updated software version files without downloading all software ...

碳氨生产变换系统热能自备工艺及设备

A Preheat water tower using for the heat exchanging is mounted inside the transformation furnace instead of the furnace outside, in production of ammonium bicarbonate, thus the supplement of water steam is from inner system, the outer boiler is cut out.

A method for transmitting radio equipment time delay measures in radio communication system

The method solves issue that it is not high reliability for organized network since current radio equipment (RE) must depend on main control module to report time delay. The method assigns unique REID for each RE connected to same REC. RE calculates own time delay value (TDV) as well as calculates transmission time delay T14 between RE and RE in next stage by CPRI interface module (CPRIIM). CPRIIM of RE starts up the control word of fixed position when value of mod between CPRIIM and N in BFN is equal to the RE in REID frame as well as reports own each TDV and T14 to CPRIIM of REC, meanwhile reports each TDV and T14 of RN at low stage to CPRIIM of REC according to original position. The said N is number of maximal stages in chained network organized from REs. The invention raises efficiency for RE to report time delay so as to guarantee that all REs in low stage of the RE operate normally, and raise reliability of chained network organized.

Generator convenient for extruding extended arm of force

The invention relates to a generator convenient for extruding extended arm of force. A plurality of rotors are connected with a long rotor of a driving wheel in series, and circuits of wires can be connected in parallel (no objection to series connection); and a super long rotor can also be made in a similar way. In a word, compared with the existing generator, the generator provided by the invention is mainly characterized in that the rotor appears obviously long and thin.

An operation and maintenance method and system for multi-mode base station in wireless communication system

Software package adaptive loading method for wireless communication device

The invention relates to a method for loading software packet into a wireless communication device, belonging to the wireless communication technical field. The wireless communication device software package adaptive loading method is characterized in that: an operation maintenance center sends a software loading request to network element devices, wherein the request contains the version information of all software in the software packet, each network element device receives the download request and compares the version information of the request with itself version information, to determine the software demanded to download and refresh, to attain the software from an appointed directory of the operation maintenance center. The inventive method can save download time and bandwidth, to quickly upgrade the software of communication devices and recover the device quickly.

A method for transmitting radio equipment time delay measures in radio communication system

The method solves issue that it is not high reliability for organized network since current radio equipment (RE) must depend on main control module to report time delay. The method assigns unique REIDfor each RE connected to same REC. RE calculates own time delay value (TDV) as well as calculates transmission time delay T14 between RE and RE in next stage by CPRI interface module (CPRIIM). CPRIIMof RE starts up the control word of fixed position when value of mod between CPRIIM and N in BFN is equal to the RE in REID frame as well as reports own each TDV and T14 to CPRIIM of REC, meanwhile reports each TDV and T14 of RN at low stage to CPRIIM of REC according to original position. The said N is number of maximal stages in chained network organized from REs. The invention raises efficiency for RE to report time delay so as to guarantee that all REs in low stage of the RE operate normally, and raise reliability of chained network organized.

A method of base station management by network management device

The invention discloses a method for a network management device to manage a node base (Node B), comprising the following steps: the node base preserving a self-owned sign and communicating address in advance; a network management device (OMCB)broadcasting and sending the message which is sealed with message sign; the message including the inquiring message of the communicating address of Node B; the Node B receiving and analyzing the message at a receiving end, and when the received message is identified as the inquiring message of the communicating message of Node B according to the analyzed message sign, the Node B sealing the self-owned sign of Node B and the changed communicating address into a replying message which is send to OMCB. By adopting the invention, the OMCB can learn the changes of the communicating address of Node B and revise in time in order to rebuild normal communication with the OMCB, thus the OMCB can manage the Node B with changed communicating address again.

Three-gear gear shifting mechanism for small mobile robot

The invention discloses a three-gear gear shifting mechanism for a small mobile robot. The device selects a meshing gear pair participating in driving in a gearing by controlling the on and off of a pair of electromagnetic clutches and the position of a sliding synchronizing ring; different combinations can realize three different transmission ratios; gear ratios among three gears are different from high to low, and the reduction ratio of a high-speed gear is basically 1; a cruise gear is in one-level reduction; and a low-speed gear is in three-level reduction. On the premise of satisfying the highest output rotation speed of the high-speed gear, the torque output by the low-speed gear is more than ten times of that output by the high-speed gear; the high-speed gear satisfies the speed requirement of the robot; the low-speed gear satisfies torque requirements; and meanwhile, the cruise-speed gear satisfies the specific working requirement usually used by the robot.

Electrical-adjusting antenna control method and system in the radio communication system

The invention discloses a method of controlling electricity regulating antennas in wireless communications system. It includes: (a) preserving the connection information of antennas mark and the RRU mark in BBU;(b) Accords to the information of the existence of electricity regulating antennas adjustment, which includes antenna mark as well as the connection information to regulate electricity antennas and its corresponding RRU, the antenna adjustment information is transmitted to the assured RRU; (c) RRU will send the antenna adjustment information to the target electric regulating antennas with preconcerted format instructions; (d) The target electric regulating antennas adjusts itself according to the instruction received. The invention also discloses a system of electricity regulating antennas controlling system in the wireless communications system. BBU telecontrolling the electricity regulating antennas can be realized in the invention. Centralized management by BBU can also be realized ...

Generator driven by specific motor

The scheme of the invention is mainly implemented in two ways, the first way is that after an external power source is turned on, a power source for generating electricity is switched, and in the reversing process, when proper electricity is normally generated, the power source is quickly switched; and the second one is that when the prime motor and the generator are started and rotated by other external force to normally generate electricity, the other external force can be stopped, thereby generating electricity continuously.

Method for managing software mend of wireless communication system

The invention discloses a method of managing software patch in radio communication systems, includes steps: a software patch upgrading command information is sent to a device; after receving the command information, the device records and saves the command information according to a patch relational table; when the device is reset, the original software version loads software patch according to record of the patch relational table; the software patch file is loaded by the original software version according to specified loading sequence and obtained software patch record. A plurality of software patch of the device are recorded by the patch relational table, when the device is reset, the original software version reads software patch record from the patch relational table automatically and loads software patch in loading sequence according to read software patch record, the loading accuracy of patch programs after reset is guaranteed.

Special mechanism for automatically conveying high-temperature saw bit

The invention discloses a special mechanism for automatically conveying a high-temperature saw bit. The mechanism comprises a base, an upright post and the like, wherein the upright post is fixed on the base, a rotating crossarm is connected with the upright post and can rotate around the upright post, and a slider fixed on a conveyer belt is driven to move on a sliding guide rail by a sliding driving motor which is fixed on the rotating corssarm through pulley transmission; actions of a movable paw of clamping and loosening a high-temperature sheet are realized through the rotation of a clamping driving motor fixed on the slider; and the rotating driving motor is fixed on the base, an output shaft is provided with a pinion which is meshed with a circular arc rack fixed on the rotating crossarm to drive the rotating crossarm to rotate around the upright post, and a positioning pin on the rotating corssarm slides on the rotating guide rail during rotating so as to realize the function of ...

Method for interacting telecommunication system and message by SNMP protocol

The method comprises: S502) defining a interface and its message number and variable between SNMP management station and at least one managed device; S504) SNMP management station sends message to at least one managed device through a SNMP agent, and sequentially bindings the message body of said message in the data binding list according to a preset sequence; taking the last variable in the datafield binding list as the message; S506) according to the message number, the managed device makes process and takes out the message body form the variable binding list according to a preset sequence.

Three-gear gear shifting mechanism for small mobile robot

The invention discloses a three-gear gear shifting mechanism for a small mobile robot. The device selects a meshing gear pair participating in driving in a gearing by controlling the on and off of a pair of electromagnetic clutches and the position of a sliding synchronizing ring; different combinations can realize three different transmission ratios; gear ratios among three gears are different from high to low, and the reduction ratio of a high-speed gear is basically 1; a cruise gear is in one-level reduction; and a low-speed gear is in three-level reduction. On the premise of satisfying the highest output rotation speed of the high-speed gear, the torque output by the low-speed gear is more than ten times of that output by the high-speed gear; the high-speed gear satisfies the speed requirement of the robot; the low-speed gear satisfies torque requirements; and meanwhile, the cruise-speed gear satisfies the specific working requirement usually used by the robot.

Continuously variable-rigidity chaos vibration isolation device

The invention discloses a continuously variable-rigidity chaos vibration isolation device. The device is characterized in that: the continuously variable-rigidity chaos vibration isolation device comprises a first vibration isolator and a second vibration isolator; one end face of the first vibration isolator and one end face of the second vibration isolator are oppositely arranged; a spacing distance for containing a vibration isolated device is arranged between the first vibration isolator and the second vibration isolator; both the first vibration isolator and the second vibration isolator are contacted with the vibration isolated device; the other end face of the first vibration isolator is provided with a contact surface connected with a base body, and a separated area is arranged between the contact surface and the base body; and the other end face of the second vibration isolator is provided with a contact surface connected with the base body, and a separated area is arranged between ...

Three-dimensional impact loading experiment device

The invention discloses a three-dimensional impact loading experiment device, which belongs to the technical field of impact dynamics experiment devices. The three-dimensional impact loading experiment device is characterized by comprising a loading device, an incidence rod, a test piece and a transmission rod which are arranged sequentially; foil gauges are arranged on the incidence rod and the transmission rod respectively; the foil gauges are connected with a data acquisition and processing unit; the test piece is a cube; three incidence rods and three transmission rods are provided; one end of each of the incidence rods corresponds to a loading device, and the other end of the incidence rod is vertical to three vertical side faces of the test piece; the transmission rods are vertically arranged on the other three side faces of the test piece; and the incidence rods and the transmission rods correspond to each other one to one. The invention aims at providing the three-dimensional impact ...

Three-freedom degree grinding wheel dresser based on parallel mechanisms

The invention discloses a three-freedom degree grinding wheel dresser based on parallel mechanisms, mainly comprising left driving units, sliding guide rails, left slide blocks, right slide blocks, right driving units, telescopic driving units, telescopic rods, a plurality of connecting rods, transverse frames, rotary permanent seats, diamond dressing wheel driving units and the like, wherein the left driving units and the right driving units are used for respectively driving the left slide blocks and the right slide blocks to move on the sliding guide rails and drive the transverse frames to perform two-dimensional translational motion through the connecting rods; the diamond dressing wheel driving units are used for driving diamond dressing wheels to rotate; the telescopic driving units are used for driving the telescopic rods to make telescopic motions to push the rotary permanent seats to rotate for adjusting cutting-in angles when the formed grinding wheels are dressed; and the integration ...

Far end radio frequency unit automatic discovery method in radio communication system

This invention discloses a method for finding out remote RF units (RRU) in the radio communication system including: a RRU reports an only ID capable of identifying it to a base band control unit actively, which inquires about the configuration information of the RRU according to the ID and configures it to the RRU to realize turn-on and play of RRU.

Robot for cleaning inner wall of barrel

The invention discloses a robot for cleaning the inner wall of a barrel, which comprises a cleaning module and a driving module which realize relative telescopic movement through a thread transmission mechanism. The cleaning module comprises a front outer shell, a sliding plate, a front stepping motor, a front combined driving mechanism and a cleaning brush, wherein the cleaning brush is arrangedon an output shaft of the front combined driving mechanism; the front combined driving mechanism is connected with the sliding plate, in which central inner threads are processed, by the front outer shell; and the front stepping motor is arranged in the front outer shell and is used for driving the front combined driving mechanism. A back combined driving mechanism in the driving module is connected with a motor fixing plate by a back outer shell; a back stepping motor and a mobile stepping motor are arranged in the back outer shell; the back stepping motor is fixed on the back combined driving ...

Three-freedom degree grinding wheel dresser based on parallel mechanisms

The invention discloses a three-freedom degree grinding wheel dresser based on parallel mechanisms, mainly comprising left driving units, sliding guide rails, left slide blocks, right slide blocks, right driving units, telescopic driving units, telescopic rods, a plurality of connecting rods, transverse frames, rotary permanent seats, diamond dressing wheel driving units and the like, wherein theleft driving units and the right driving units are used for respectively driving the left slide blocks and the right slide blocks to move on the sliding guide rails and drive the transverse frames toperform two-dimensional translational motion through the connecting rods; the diamond dressing wheel driving units are used for driving diamond dressing wheels to rotate; the telescopic driving unitsare used for driving the telescopic rods to make telescopic motions to push the rotary permanent seats to rotate for adjusting cutting-in angles when the formed grinding wheels are dressed; and the integration ...

Method and device for automatic detection of composite errors of ball screw spiral raceway

The invention discloses a method for automatic detection of composite errors of a ball screw spiral raceway, which comprises the following steps of: firstly, carrying out sampling preparation; then, sampling the axial position and the radial position of each point on a normal section curve of the screw spiral raceway to be detected by using a grating ruler and an optical screen type displacement sensor; then, processing the sampling data, and acquiring the normal section error and the pitch diameter dimension error of the screw spiral raceway to be detected in the rotating angle position; and after rotating the screw to be detected by 360 degrees/n, repeating the processes for n-1 times to acquire normal section errors and pitch diameter dimension errors of the ball screw spiral raceway to be detected under different rotating angle degrees, and taking the maximum values of the normal section error and the pitch diameter dimension error on each circle of raceway under each rotating angle ...

A method for realizing software version compatibility after single board hardware change

The invention discloses a method for achieving software version compatibility of changed hardware, which comprises firstly equipping a change mark on a single-board hardware for recording the current change frequency of the single-board hardware; then reading the change mark on the single-board hardware; searching the corresponding software file from a single-board software version file according to the change mark, and loading the software file onto the single-board hardware. Compared with prior art, the method of the invention mainly has the advantages that: (1) a file of the same software version can be used before and after changing the single-board hardware so that the software version file is compatible; and (2) the user can maintain the software version of the single-board hardware without considering the difference before and after changing the single-board hardware, and only the software version file of the same version can be used to reduce the maintenance complexity of the single-board ...

Method and system of remote managing peripheral device of base station in wireless communication system

The invention discloses a method for remote management of external equipment of a base station in a wireless communication system. The method comprises: the step of interactive execution of downlink management messages: an external equipment management unit sends the downlink management messages to the corresponding base station external equipment upon the transfer by a base station network management unit and a base station management unit, and the base station external equipment receives the downlink management messages and then executes the corresponding treatment; and/or the step of interactive execution of uplink management messages: the base station external equipment sends the uplink management messages to the corresponding external equipment management unit upon the transfer by the base station network management unit and the base station management unit, and the external equipment management unit receives the uplink management messages and then executes the corresponding treatment ...

Equipment for testing vibration performance of air spring and method of using the same for testing

The invention relates to a vibration performance testing instrument and a testing method thereof, in particular to an equipment for testing vibration performance of an air spring and a method of using the same for testing. The invention resolves the technical problem by providing the equipment for testing vibration performance of the air spring, which has broad operating frequency and exciting force range and convenient and flexible selection of testing places and can prelabel parameters prior to an experiment and the testing method thereof. The technical scheme of the invention is as follows: the equipment for testing the vibration performance of the air spring comprises an electric vibration generator, a laser displacement sensor, an acceleration sensor and a force sensor. A signal generator and a power amplifier are connected with the electric vibration generator successively by an electric signal; the laser displacement sensor, the acceleration sensor and the force sensor transmitsignals ...

An alarming reporting method for multi-mode base station in wireless communication system

The invention discloses a method for reporting alarms of a multi-mode base station in a wireless communication system, which comprises the following steps: the unique mark for network management systems in various systems in the multi-mode base station is set; an alarm set for wireless communication systems in various systems is set; the network management mark set in the first step is delivered by the network management system to the multi-mode base station when the network management systems in various systems are connected to the multi-mode base station and the multi-mode base station saves the mark for network management systems in various systems and the communication address of the network management system; the multi-mode base station researches the alarm set so as to inquire the communication address of the network management system to which an alarm which is given out belongs after giving an alarm and reports the alarm to the corresponding network management system for the processing ...

Ball screw spiral line error on-line detection method and device thereof

The invention discloses a ball screw spiral line error on-line detection method. The method comprises the following steps: installing a small-sized ball screw spiral line error detection component which is fixed relative to the a grinding wheel head rack on ball screw processing equipment-a numerically-controlled lead screw grinding machine body, and detecting the spiral line of a ball screw to be detected after a rough grinding process is completed to obtain a composite error comprising a ball screw spiral line error and a numerically-controlled lead screw grinding machine driving chain error; meanwhile, detecting the driving chain error of the numerically-controlled lead screw grinding machine through a circular grating and a long grating installed on the numerically-controlled lead screw grinding machine; and removing the detected driving chain error of the numerically-controlled lead screw grinding machine from the detected composite error to obtain the spiral line error of the ball ...

Far end radio frequency unit automatic discovery method in radio communication system

This invention discloses a method for finding out remote RF units (RRU) in the radio communication system including: a RRU reports an only ID capable of identifying it to a base band control unit actively, which inquires about the configuration information of the RRU according to the ID and configures it to the RRU to realize turn-on and play of RRU.