152results about How to "Docking is simple" patented technology

The invention discloses a digital multimedia information transmission platform, which comprises an acquisition system, a manufacturing system, a media resource system, a management system and a release system, wherein the acquisition system consists of control equipment, outside network material receiving server and an foreign signal, studio signal and magnet tape material acquisition and collection subsystem; the manufacturing system consists of a program editing system, a program examination system, a background packing and synthesizing system and a resource manager; the media resource system consists of a media resource cataloging and searching work station, a transcoding server, a database server, a storage management and migration server and a system management working station; the management system consists of a uniform user identification system and a network management system; the release system serving as an external interface module of a multimedia center encrypts finished products in multiple formats and executes related release according to outside service demands; and the platform is an integrated production line of digital media contents and also a digital media resource comprehensive service system platform and can realize overall media resource sharing.

An underwater short-distance high-speed wireless optical information transparent transmission device comprises a transmitting module and a receiving module, wherein the transmitting module sequentially comprises an LED modulation drive circuit, a blue-green mixed LED array, a transmitting light path, a beam expanding mirror and a homogenizing piece in the direction of an electrical signal to be transmitted, and the receiving module sequentially comprises a large-view-field receiving light path, a light filter, a Fresnel lens, a photoelectric detector and a photoelectric detection conditioning circuit. The underwater short-distance high-speed information transparent transmission problem can be solved, the lake, river and ocean environment application requirements are met, and the underwater short-distance high-speed wireless optical information transparent transmission device is especially suitable for connection of multiple sensors at deep position under the ocean, underwater data collection, ROV data interaction and continuous communication occasions for water surface platforms and underwater devices and has important significance in the ocean application field.

The invention discloses a steel bar connection structure of prefabricated parts. The steel bar connection structure of the prefabricated parts comprises a first prefabricated concrete member and a second prefabricated concrete member, and a connection box is embedded at the end, adjacent to the second prefabricated concrete member, on the first prefabricated concrete member; the connection box is provided with an opening side, and an opening of the opening side of the connection box is communicated with the surface of one side of the first prefabricated concrete member; the tail end of a first connecting steel bar in the first prefabricated concrete member is fixedly connected to a first side of the connection box, the tail end of a second connecting steel bar in the second prefabricated concrete member penetrates through a lower steel bar inserting hole in the lower bottom of the connection box, and the end of the upper end of the second connecting steel bar is connected and fixed to a nut and a pad sheet through a threaded screw thread. By the adoption of the steel bar connection structure of prefabricated parts, steel bar connection among prefabricated concrete parts becomes very easy, the steel bar butt joint is big in allowable variation, the construction difficulty is low, the steel bar connection is convenient, fast in speed and efficient, the technical problem in the construction industry that steel bar butt joint is difficult for many years is solved, the structure itself is mechanically connected, no aging exists, the structural strength is high, the service life is long, and the construction quality is good.

The invention provides a mobile robot system and an autonomous charging method thereof. The mobile robot system comprises a robot body and a charging adapter. The robot body comprises a charging contact point, an energy storage module and a master control module. The charging contact point is configured to be able to extend to the exterior of the body or retract to the interior of the body. The energy storage module is used for providing a cruising capability for normal operation of the body. The master control module is connected with the energy storage module. The charging adapter comprises a sensing recognition module and a branch control module. The branch control module communicates with the master control module. When the robot body is in a charging state, the charging contact point extends to the exterior of the body and contacts the charging adapter. When the robot body stops charging, the charging contact point retracts to the interior of the body. Compared with the prior art, the charging point of the robot body is configured to be telescopic and is avoided to be exposed outside all the time, and abrasion, oxidation, poor contact and the like are reduced.

The invention comprises: an infrared transmitter, an infrared receiver, an A / D converter, a collection processing chip, a motor, a first module, and a second module. Each module comprises a centrosome and a rotation surface. The connection method is: the motor is respectively fixed on the centrosome of the first module and the second module; said centrosome is connected to the rotation surface through a clutch; the infrared transmitter and receiver are secured on the rotation surface of the each by using screws; said A / D converter and the collection processing chip are installed on the control circuit board in the centrosome of each module.

An optical connector of the present invention includes a ferrule to which an internal optical fiber is embedded and an end face grinding is performed; and a connection mechanism which extends to an opposite side of a connection end face of the ferrule, wherein the optical connector butt connects the internal optical fiber and an insert optical fiber which is inserted from outside within a positioning groove provided at the connection mechanism; and a back end side of an end face of the internal optical fiber which butts to the insert optical fiber is made a beveled end face by cutting process.

The invention discloses a transformer test data measurement system and a method thereof based on a wireless network. The system comprises a monitoring center, a data acquisition center and a data transfer center; the monitoring center comprises a monitoring center computer, the data acquisition center comprises a plurality of data acquisition controllers and a plurality of special measurement devices, and the data transfer center comprises a Zigbee center wireless module and a Zigbee terminal wireless module; command and data are transferred between the monitoring center and the data acquisition center through the data transfer center; the special measurement devices are used for marking a corresponding actual position at a measurement position selected by the data acquisition controller so as to measure a target sample, transmitting back data through interfaces of the special measurement devices to the data acquisition controller after obtaining a measurement result, and receiving measurement result data; data is processed by the data acquisition controller after obtaining the data, and position information and the measurement result are stored; and then, selection of a next group of measurement positions and measurement operations are sequentially executed, until all the positions are measured.

Disclosed is an optical fiber cabin-penetrating sealing connection socket device used for a sealing cabin. The device comprises sealing flanges, optical fiber sealing seats, optical fibers, inner-side dockingplug cores and outer-side docking plug cores, the sealing flanges and the sealing cabin are sealed by adopting welding sealing or sealing rings, each sealing flange is provided with at least one optical fiber sealing seat mounting hole, the optical fiber seats are fixed in the mounting holes through laser welding sealing, the middle of each optical fiber is fixed in a central micropore of the corresponding optical fiber sealing seat through low-temperature glass welding material sealing, each of the inner-side and outer-side docking plug cores is fixed in the mounting holes at two ends of corresponding optical fiber sealing seat through interference fit, two ends of each optical fiber are bonded and fixed with the inner-side and outer-side docking plug cores respectively through epoxy glue, PC type or APC type docking faces are formed through fine grinding processing, and two ends of each sealing flange are connected with corresponding plugs in a matched manner respectively by adopting connection modes like thread connection or bayonet connection for optical signal transmission. The optical fiber cabin-penetrating sealing connection socket device used for the sealing cabin is compact in structure, effective in sealing, simple in method and low in cost, and optical signal transmission between inside and outside of the sealing cabin is effectively realized.

The invention provides a Javascript (js)-based method for docking with an enterprise system. The method comprises the following steps that: a client transmits a request to a jsse through the data format of json of an http protocol and processes the request; the jsse comprises an adapter assembly and an ability assembly, wherein the adapter assembly and the ability assembly are provided with API interfaces; and the API interface of the adapter assembly or the ability assembly are called to dock with the enterprise system such that the conversion of the interface data format of the enterprise system can be realized. The invention further relates to a device for realizing the javascript (js)-based method for docking with the enterprise system. The javascript (js)-based method for docking with the enterprise system and the device of the invention have the following advantages that: bandwidth is sparsely occupied; message content can be analyzed; safety can be guaranteed; and semantic problems can be solved.

The invention discloses a clamping type photovoltaic solar panel auxiliary mounting device with adjustable angle, including a base, a first screw rod, a dial and a stopper, A fix rod is fixed on the base, and the fixing rod penetrates the vertical plate, A through-seam is arranged on the vertical plate, and a connecting rod penetrates the inside of the through-seam, the connecting rod is connectedwith the handle, and the right end of the connecting rod is connected with the fixture through the connecting piece, The lower end of the first threaded rod is fixed with a pressing plate, a threadedrod penetrates the upper side of the fixture, the center of the dial penetrates with a connecting rod, a pointer is fixed on the connecting rod, and the pointer is arranged on the outer side of the dial, the stopper is fixed on the four corners of the base, and one end of the stopper is penetrated with a second threaded rod. The angle-adjustable clamping type photovoltaic solar panel auxiliary mounting device can accurately adjust the angle of the solar photovoltaic panel by rotating the connecting rod, thereby increasing the utilization rate of sunlight.

The invention discloses a blocky aluminum-based alloy, which is characterized in that the components of the alloy are expressed by the following formula: AlaSibTMcYdREe, wherein a plus b plus c plus d plus e is equal to 100, TM can be one or a mixture of transition metals such as Ni, Co and Ag, and RE can be one or a mixture of La, Gd and Ce in the Sc, Zr, Ca, Ti and La systems of rare earth elements which are the adjacent elements of element Y in the periodic table; wherein, the atom percentage of b is 0.2 to 5, the atom percentage of c is 2 to 10, the percentage of d is 4 to 10, the atom percentage of e is 0 to 5, the balance is the atom percentage of a. The preparation method comprises: preparing the materials according to the proportion; smelting and preparing a master alloy; and preparing the blocky aluminum-based alloy through a freezing method integrated with a casting die. The blocky aluminum-based alloy has the high strength above 500 MPa. As the strength can be as high as 1000MPa to 1300MPa and the plastic deformation is 0 to 20 percent, the blocky aluminum-based alloy can be used for parts of fine structures.

The invention discloses a groove-type sheet-pile. The groove-type sheet-pile comprises a platy pile body, the front face of the pile body is provided with a longitudinal groove, one side face of the pile body is provided with a longitudinal trench I, and the other side face of the pile body is provided with a strip-type bulge corresponding to the trench I. The adjacent pile joint of the groove-type sheet-pile provided by the invention is thicker, the contact area is enlarged, the butt joint is more easy, and the joint is not liable to damage; various earth-retaining pile walls are mutually fastened tightly, due to the bevel design of a pile toe, the earth-retaining pile walls are fitted with one another more tightly in a construction process, stability and safety are realized, and earth retaining and water resistance are realized in one step; the own structure of the pile body allows to arrange living things nesting holes to maintain river internal ecological balance and environment-friendliness.

The invention discloses an industrial intelligent controller capable of deploying an AI model dynamically, relating to the technical field of industrial intelligent controller. The industrial intelligent controller comprises an EDGE BOX end and a control center, wherein the EDGE BOX end and the control center transmit or communicate with each other through a multi-path serial port, an Ethernet interface, WiFi or 5G netowrk, the EDGE BOX end is communicated connection with a production machine table through a serial port, the EDGE BOX based on an edge calculation controller of an X86 processorintegrates the multi-path serial port, the Ethernet interface, WIFI and the 5G wireless communication module, and the control center, a K8S control end the EDGE BOX end are used for collecting data ofthe production machine table, sending a control command to the control center, and deploying an AI operation model and edge calculation nodes of an operation component dynamically through the controlcenter. The industrial intelligent controller capable of deploying the AI model dynamically can perform a complex algorithm and a device model in local and can perform intelligent edge analysis and control, thereby having better effect in real time performance.

The invention discloses a vacuum pipeline butt joint structure which can make butt joint of vacuum pipelines to be exceedingly convenient. The butt joint structure comprises a pair of vacuum pipelines each of which contains an outer sleeve and an inner pipe with a thermal-insulation vacuum cavity between; the butt joint end of the inner pipe of one vacuum pipeline is provided with a socket; a socket vacuum cavity communicating with the thermal-insulation vacuum cavity in the vacuum pipeline is arranged between the socket and the outer sleeve; the butt joint end of the inner pipe of the other vacuum pipeline is provided with a plug matching with the socket; a plug vacuum cavity communicating with the thermal-insulation vacuum cavity in the vacuum pipeline is arranged between the plug and the outer sleeve; a seal ring is arranged between the top of the plug and the bottom of the socket; the pair of vacuum pipelines is fixed together via a pair of flanges on the outer sleeves of the pipelines. The invention is mainly used for butt joint of vacuum pipelines for transmitting low-temperature liquids such as liquid nitrogen, liquid argon, liquid oxygen, liquefied natural gas, etc.

Disclosed is a thin stainless steel wire butt welding method. The thin stainless steel wire butt welding method includes the following steps that a stainless steel wire is put on moving and static clamp electrodes of a butt welding machine, stainless steel wires of two ends extend out of the clamp electrodes for 1-2mm respectively, the distance between the moving and static clamp electrodes is adjusted, ends of the stainless steel wires of the two ends are in contact with each other, the butt welding machine is powered on to enter working procedures, and welding work can be finished. According to the thin stainless steel wire butt welding method, butt joint is achieved by the aid of resistance butt welding mode, welding flux is not required, joint surfaces are smooth, and the welding process is simple.

The invention provides a bowl support type automatic glaze coating device which comprises a support, a slide block and a sucker, wherein a bowl blank is put in a groove formed in a bowl support, a transverse moving motor is used for driving a transverse moving mechanism to move a longitudinal moving mechanism to be above the bowl support, a longitudinal moving motor is used for enabling the slide block to move downward, the transverse moving mechanism and the longitudinal moving mechanism cooperate to act to allow the bowl blank to enter a glaze pool to be glazed, then the longitudinal moving mechanism allows the bowl support and bowl blank to leave the glaze water surface after glazing is finished, and the longitudinal moving mechanism and the transverse moving mechanism cooperate again to send the bowl support and the bowl blank to a transmission rack, so that the whole glazing process is finished. The bowl support type automatic glaze coating device is used for automatic glazing in production of domestic ceramics, and can be used for solving the problems that the existing glazing devices used in factories have complicated driving mechanisms, low glazing efficiency and dead angle in glazing.

The invention discloses a high-pressure packaging container, and a high-pressure in-situ gas compression packaging and pressure monitoring system. The system comprises the high-pressure packaging container, a high-pressure in-situ gas compression packaging system and a high-pressure in-situ gas monitoring system, wherein the high-pressure in-situ gas compression packaging system can package both a plurality of inert gas pressure transmission media and a plurality gaseous-state samples; the high-pressure in-situ gas monitoring system can precisely calibrate ultrahigh pressure; the high-pressure packaging container is provided with an optics observation window and a high-pressure gas inlet, so that high pressure generated during the packaging process of the gaseous-state samples or the inert gas pressure transmission media can be monitored, the situation that pressure in the high-pressure packaging container is stable and controllable during the packaging process is ensured, and the problems that the packaging of the gaseous-state samples or the inert gas pressure transmission media fails caused by uncontrollable pressure in the high-pressure packaging container and a diamond anvil cell press is damaged are avoided to further increase the success rate of a high-pressure in-situ experiment.

The invention discloses a self-traveling drilling type coal mining machine capable of two-way drilling, belonging to the technical field of design application of the coal mining machine. In the coal mining machine provided by the invention, a drilling rod is easily butted, a drilling power of a drilling bit is large and two-way drilling can be carried out on a roadway. The self-traveling drilling type coal mining machine comprises a frame assembly, a traveling device, an electric control assembly, a hydraulic assembly, drilling tool assemblies, a ventilating device, a propelling arm device, a propelling-arm propelling device and a propelling-arm butting pushing device; the traveling device comprises a hydraulic motor and a crawler belt; the frame assembly is connected with a frame supporting frame on the traveling device by a coupling and fixing device; the electric control assembly, the hydraulic assembly and an armored disc are respectively connected with the frame assembly by pin shafts; each drilling tool assembly comprises drilling bits, a transmission box, a left screw, a right screw, a water cooling motor and a speed reducer; the drilling bits are connected with the left screw and the right screw which are connected with the propelling arm device. The self-traveling drilling type coal mining machine disclosed by the invention is mainly applied in the aspect of coal mine.

The invention discloses a connecting structure of a three-layer steel-plastic glass fiber composite pipe and a connecting method thereof. The connecting structure comprises a connecting locking tile and a positioning glass-fiber bushing, wherein steel-pipe ends every two of which are connected with each other are respectively a steel-pipe convex ring, the connecting locking tile is locked onto the two steel-pipe convex rings, and the positioning glass-fiber bushing is wrapped at the outer side of the steel-pipe convex ring. Due to the adoption of the connecting structure, the three-layer steel-plastic glass-fiber composite pipes can be easily and simply butt joined, so that the problems such as corrosion, abrasion, scaling, rapid construction, rapid emergency repair, breakage prevention by external forces and the like of a high-pressure pipeline can be thoroughly solved, a running period of the pipeline is possible to improve to 50 to 100 years, the pipeline is basically free from the later-period maintenance after being constructed, the maintenance expense in the running process can be greatly reduced, and the cost in the running period of the pipeline can be greatly reduced.

The invention provides a steel tube concrete and sprayed concrete stiff combined structure tunnel support system and a construction method. Multiple steel tube concrete arch frames are arranged and are sequentially arranged in the longitudinal direction of a tunnel, and each steel tube concrete arch frame comprises multiple spliced square steel segments and fine aggregate concrete materials injected in steel tubes. After splicing of each steel tube concrete arch frame is completed, injection and filling are carried out in a segmented manner. Multiple cotter shearing force parts are fixed to the longitudinal inner and outer tube faces of each steel tube concrete arch frame. The left side and the right side of each transverse partition plate are connected with L-shaped embedded plates, and the L-shaped embedded plates are fixed to the longitudinal tube faces of the steel tube concrete arch frames. Multiple ring steel bars are welded to each transverse partition plate in a penetrating manner. The space between the steel tube concrete arch frames is filled with sprayed concrete, and the thickness of the sprayed concrete is flushed with the steel tube concrete arch frames. By means of the system, the bearing force and corrosion resistance of the square steel arch frames are enhanced, and the bonding capacity of the support system and the sprayed concrete is improved.

The invention provides a reinforcement cage main reinforcement connector connection structure and an integral hoisting construction method. The structure comprises a sleeve, a lock net and two main reinforcement connectors which are butted, wherein the wire winding length of one of the main reinforcement connectors equals to the sum of the length of the sleeve, the wire winding length of the lock net and the deviation allowed by the specification, and the length of the other main reinforcement connector equals to the sum of half of the length of the sleeve and the deviation allowed by the specification; internal threads in the same direction are arranged on the inner wall of the sleeve, the end parts of the two main reinforcement connectors are positioned in the sleeve, and half of the long wire connector and half of the short wire connector are positioned in the sleeve. The construction method comprises the following steps: processing a reinforcement cage; numbering each pair of main reinforcement connectors of the reinforcement cage; sequentially hoisting the upper reinforcement cage and the lower reinforcement cage, and connecting pairs of main reinforcement connectors according to the numbers so as to complete the integral hoisting of the reinforcement cage. The construction structure and the construction method are simple, the construction cost is low, the operation is realized easily, and the quality is ensured easily.

The invention relates to an application technology of information codes such as a bar code and a two dimension code, and aims at that in the current method for calculating and charging the toll by issuing and recycling a pass card, parts of vehicle owners can adopt diversified methods to evade the toll by using the pass card, and a manager is impossible to defend effectively. The invention provides an expressway card-free charging method for preventing toll evasion, and the current method for charging the toll by issuing the pass card is fully replaced by combining the application technology of information codes such as the code bar and the two dimension code. The invention also provides an expressway card-free charging device, which comprises a toll station entrance code spraying device and a toll station exit code reading device, for replacing the charging device in the pass card issuing and recycling process of the current charging process. According to the expressway card-free charging method and device for preventing toll evasion, the toll evasion behaviors can be effectively prevented, the charging cost is greatly reduced, the device is easily jointed with the existing charging management system and equipment and is convenient to mount and low in cost.

The invention provides an electronic cigarette which comprises an oil storage atomization assembly and a power supply control assembly. The oil storage atomization assembly is in clamped connection with the power supply control assembly. The power supply control assembly is provided with an elastic probe, and the oil storage atomization assembly is provided with a connecting rod corresponding to the oil storage atomization assembly. After the oil storage atomization assembly is in clamped connection with the power supply control assembly, the elastic probe is subjected to pressure coming from the connecting rod, and the oil storage atomization assembly is electrically connected with the power supply control assembly. The electronic cigarette has the advantages of reliability in electrical connection and the like.

The invention relates to a small package product secondary bagging device. The device is used for loading small package products into package bags and sealing the package bags. The device comprises acontroller, and further comprises a rack, a small package product conveying mechanism at one end of the rack, a small package product arranging shaping mechanism which is arranged at the position, below the conveying tail end of the small package product conveying mechanism, of the rack, a bagging guide mechanism arranged at the position, on one side of the small package product arranging shapingmechanism, of the rack, a package bag feeding mechanism arranged at the position, on the other side of the bagging guide mechanism, of the rack in a manner of being relative to the small package product arranging shaping mechanism, a package bag sealing mechanism which is arranged at the position, between the bagging guide mechanism and the package bag feeding mechanism, of the rack and is close to the bagging guide mechanism, and an output mechanism arranged at the other end of the rack in a manner of being relative to a small package product input mechanism. The small package product secondary bagging device can achieve automatic and secondary bagging of small package products, and good practicability is achieved.

The invention discloses an interface method for a performance management of network management, comprising: a step 1, the management system stores a preset measuring task and threshold supervision in the system; a step 2, the managed system acquires performance data based on an original preset granularity to generate a performance data file; a step 3, the management system gets the performance data file from the managed system based on the measuring task and threshold supervision to generate a threshold alarm. The method of the invention removes the operation interface of the management system and managed system, the management system has a bigger flexibility, and can achieves stronger functions; the invention greatly simplifies butt contact between the management system and managed system, and adaption for sets of interfaces are not required for different access modes of different protocols.

The invention relates to an automatic docking device for a temperature measuring probe and a temperature measuring gun. The automatic docking device solves the problem that at current, docking of theprobe and the temperature measuring gun in a molten iron processing plant is still being subjected to manual operation mainly, manual docking is used for achieving connection of the probe and the temperature measuring gun, the working environment of a worker is very harsh, certain harms to the human body is caused, and certain safety hazards exist due to the high molten iron temperature. The automatic docking device comprises a field angle type manipulator, a translational motion manipulator, a positioning plate, a frame, a manipulator, two semi-tapered plates and two clamping jaws; the fieldangle type manipulator, the translational motion manipulator and the positioning plate are fixed on the frame, the frame is arranged on the manipulator, the two semi-tapered plates are fixed on two clamping fingers of the field angle type manipulator, and when the clamping fingers of the field angle type manipulator are in the clamped closed state, the two semi-tapered plates are in butt joint together to form a tapered drum; and the axis of the tapered drum is perpendicular to the positioning plate. The automatic docking device is applicable to the molten iron pretreatment smelting process.

The invention discloses an automated guided vehicle (AGV) for replacing an electric automobile card type battery pack, and relates to a transporting and carrying tool, in particular to a transporting and carrying tool which is used for replacing the electric automobile card type battery pack. The automated guided vehicle consists of an automated guided vehicle platform, a battery pack conveying roller, a battery pack grapping mechanism and a set of automated guided vehicle control system, wherein the battery pack conveying roller is arranged on the automated guided vehicle platform; the battery pack grapping mechanism is arranged at one end of the automated guided vehicle; and the automated guided vehicle control system is arranged in a central control room and connected with the central control room through wireless control. The automated guided vehicle can realize automatic operation, adapt to a place for stopping an automobile, realize accurate positioning and make the butting of the battery pack easier, and can make replacement of the battery pack more convenient and faster, greatly shorten battery replacement time and improve working efficiency through mutual coordination of a plurality of AGVs.

The invention discloses a unidirectional water guiding brick which comprises an impermeable layer and a permeable layer arranged at the upper part of the impermeable layer, wherein a first water guiding hole group is arranged inside the permeable layer, and comprises a plurality of water guiding holes penetrating through the permeable layer; axes of water guiding hole are roughly parallel to the impermeable layer. The invention discloses a bi-directional water guiding brick, in the permeable layer of the unidirectional water guiding brick, a second water guiding hole group is further arranged at the lower part of the first water guiding hole group, comprises a plurality of water guiding holes penetrating through the permeable layer, and forms a certain included angle relative to the first water guiding hole group. The invention further discloses a bathroom ground structure formed by the pavement of the water guiding bricks provided with water guiding holes, so that when water flow in a bathroom is larger, not only can the original ground gradient be relied on to guide water, but also moisture on floor tiles can permeate into the water guiding holes through a permeable surface layer, and can be discharged by the water guiding holes.

A prefabricated shear wall rebar connecting joint comprises an upper prefabricated wall body, a lower prefabricated wall body and a composite floor slab. The composite floor slab comprises a composite floor slab prefabricated layer and a composite floor slab cast-in-place layer. A connecting box is embedded in the lower end of the upper prefabricated wall body. The lower end of a connecting rebar of the upper prefabricated wall body is connected with and fixed to an upper top plate of the connecting box, and the upper end of an extending rebar of the lower prefabricated wall body penetrates through the composite floor slab cast-in-place layer and a lower bottom plate of the connecting box, and finally is connected and fixed with the end of an extending rebar through a nut and a washer. According to the prefabricated shear wall rebar connecting joint, mounting and connecting of building members become quite easy, butt-joint of structural rebars extending out of the ends of the building members allows large errors, the construction difficulty is lowered, convenience, rapidness and efficiency are achieved, and the technical problem of difficult rebar butt-joint of the construction industry for years is solved; and the structure of the prefabricated shear wall rebar connecting joint adopts mechanical connection and is free of aging, high in structural strength, long in service life and good in construction quality.

The invention relates to the technical field of railway track maintenance, in particular to a track profiling grinding method. A track profiling grinder is arranged at the initial position, the track transverse section where the rotary axis of a grinding head of the grinder is located serves as a datum plane, a rectangular coordinate system is built, coordinate parameters of track profiles and the initial position parameters of the grinder are obtained by measurement, a track profile to be grinded is determined, the straight line, crossed with the datum plane, of the track profile to be grinded serves as a grinding tangent line, the grinding head of the grinder is moved until the rotary axis of the grinding head is perpendicular to the grinding tangent line, the grinding head of the grinder is driven to move in the radial direction of the rotary axis of the grinding head until the lower end face of the grinding head coincides with the grinding tangent line, and the grinding head of the grinder is driven to move along the track profile to be grinded to finish grinding of the track profile to be grinded. According to the track profiling grinding method, the grinding head of the grinder is moved according to the coordinate parameters until the rotary axis of the grinding head is perpendicular to the grinding tangent line, and the effect of adopting the end face of the grinding head for grinding when grinding of any angle is performed is achieved.