79results about How to "Guaranteed connection quality" patented technology

The invention discloses a high-density WLAN (Wireless Local Area Network) optimization management system and method, which are suitable for a high-density equipment access environment so as to improve network performance and user experience. Firstly, through real-time network state monitoring, channel allocation is dynamically adjusted based on data such as channel utilization rate, equipment access density and interference condition; in combination with a channel switching mechanism of equipment priority, the connection stability of key equipment is ensured; signal overlapping and interference are reduced through adaptive transmitting power control and channel linkage optimization; multi-level load balancing is realized among a plurality of access points, and network resource distribution is optimized; and through intelligent user access optimization, equipment behaviors and moving tracks are predicted, and seamless access is ensured. According to the invention, channel conflicts can be reduced, and network stability and user experience are improved.

The invention relates to a vehicle-mounted network switching method and device in an Internet of Vehicles environment and electronic equipment, and the method comprises the steps: determining the receiving power of a target vehicle when the target vehicle is connected with each network base station in the future based on the future trajectory information and a channel knowledge graph of the target vehicle, and the channel knowledge graph comprises the channel information of each position; according to the future trajectory information of the target vehicle, determining the residence time of the target vehicle in the coverage range of each network base station in the future; and determining a target network switching strategy of the target vehicle based on the residence time of the target vehicle in the coverage range of each network base station in the future, the receiving power when each network base station is connected in the future, the network base station switching cost and the real-time load of each network base station. The problem that network switching achieved by an existing vehicle-mounted network switching method is prone to lagging behind communication environment changes is solved.

The invention relates to a construction method of a highway tunnel, in particular to a construction method of a highway tunnel auxiliary channel slow lifting and jacking hole. The method specifically comprises the following steps: reinforcing an auxiliary channel support, mounting an arch frame at a junction part, constructing a supporting arch frame advance support, excavating an intersection main tunnel, determining and processing the length of a main tunnel arch frame, welding a supporting steel frame fixing steel plate, mounting a main tunnel intersection arch frame, dismounting a vertical portal stand column, and constructing a main tunnel section. The auxiliary channel is supported and reinforced at the position close to the intersection of the main tunnel, after the main tunnel arch frame of the intersection is installed, the stress capacity of the position can be improved, large-range damage caused by stress concentration at the position of the intersection is avoided, meanwhile, the continuous supporting arch frame is arranged at the junction of the auxiliary channel and the main tunnel, and the supporting effect is improved. Support is provided for connection of the main tunnel arch frame at the position, and continuity of a stress system is guaranteed; and the situation that the field welding quality cannot meet the requirement is effectively avoided through the arranged gradually-changed arch frame part, and the connecting quality is guaranteed.

The invention discloses an error detection device for electric energy meter metering, and relates to the technical field of electric energy meter calibration, the error detection device comprises a calibration instrument body, a wire and a connector, the calibration instrument body is provided with interfaces at equal intervals, the wire is connected with the connector, and the connector is matched with the interfaces. The calibration instrument further comprises a centralized access mechanism, an opening and closing regulation and control mechanism and a locking control mechanism, the centralized access mechanism, the opening and closing regulation and control mechanism and the locking control mechanism are all arranged on the calibration instrument body, through the arrangement of the centralized access mechanism, the movable sleeve can be pushed in a centralized mode through the elastic reset effect of an elastic telescopic column on a push plate, and the calibration instrument is convenient to operate. The connector is inserted into the interface, so that rapid and automatic insertion of the connector and the interface is realized, the connector is accessed in a centralized manner and managed in a unified manner, human intervention is reduced, a worker does not need to independently operate an electric wire and the connector one by one, errors caused by misoperation or negligence are reduced, and the accuracy of metering error detection and verification data of the electric energy meter is improved.

The side-standing connector comprises a housing, a shielding housing, a plastic main body, a left terminal, a right terminal and a middle clamping piece, the left terminal and the right terminal are installed in the plastic main body, the plugging ends of the left terminal and the right terminal respectively protrude out of the left side surface and the right side surface of the plastic main body, and the welding ends of the left terminal and the right terminal downwards extend out of the bottom of the plastic main body. The middle clamping piece is installed in the plastic main body and located between the left terminal and the right terminal, the upper end and the lower end of the middle clamping piece form clamping protrusions at the top end and the bottom end of the plastic main body, the shell is arranged on the plastic main body in a sleeving mode, the left side and the right side of the shell protrude inwards to form elastic pieces, the bottom of the shell extends to form side vertical insertion pieces, and the side vertical insertion pieces are inserted into the shell. And the shielding shell is sleeved at the front end of the shell. According to the utility model, the shielding shell is sleeved at the front end of the outer shell to protect the plugging parts of the connector, so that external electromagnetic interference can be effectively prevented, and the signal transmission quality of the connector is effectively ensured.

The utility model relates to the technical field of building decoration, and discloses a curtain wall comprising a curtain wall connecting device, an upright post is fixedly arranged on the outer wall of the wall body, the wall body is fixedly connected with the upright post through four groups of fixing pieces. The fixing block can support the cross beam through movement of the fixing block, at the moment, the ratchet wheel starts to rotate through rotation of the gear, the leaf spring always abuts against the brake block through the characteristics of the leaf spring, and when the ratchet wheel stops rotating, the ratchet wheel and the brake block return to the meshing state, so that falling of the fixing block is stopped, and the safety of the brake block is guaranteed. Compared with a traditional device, through cooperation of the transmission mechanism and the braking mechanism, the fixing block can be adjusted and fixed, the fixing mechanism can further support and install the cross beam, the workload generated by long-time lifting is relieved, the stability of the cross beam during installation is improved, and the connecting quality of a curtain wall is guaranteed.

The invention discloses a reinforcement sleeve connection torque and displacement double-control intelligent monitoring vibration reminding device and a using method thereof, and relates to the technical field of building construction. The problems that existing steel bar sleeve connection depends on artificial experience, and the connection quality is difficult to ensure are solved. The torque sensor and the displacement sensor are integrated on the wrench, the torque value and the steel bar insertion depth in the connecting process are monitored in real time, and therefore dual control over the connecting quality is achieved; comprehensively judging a connection state by utilizing a PID controller and combining a feedforward and feedback control mechanism; when the monitored torque value and displacement data reach preset values at the same time, an acousto-optic vibration prompt is given out through a vibration reminding device to remind an operator that connection is completed; according to the method, the connection precision and the construction efficiency are improved, manual judgment errors are reduced, the reliability of a building structure and the construction safety are ensured, powerful support is provided for follow-up quality tracing, and therefore the intelligent process of the building construction industry is further promoted.

A combined type pin connecting joint comprises two pile bodies to be in butt joint, end plates are arranged at the opposite ends of the two pile bodies, a plurality of open grooves are formed in the opposite sides of the two end plates, the open grooves of the two end plates correspond one by one and penetrate to the peripheral walls of the corresponding end plates, limiting grooves with the width increased are formed in the far ends of the two corresponding open grooves, and the limiting grooves are matched with the limiting grooves. Every two corresponding open grooves are connected through a combined pin, each combined pin comprises two pin bodies and a pin inserting piece, the two pin bodies are arranged on the two sides of the open grooves in the width direction, the two ends of each pin body are inserted into the two open grooves respectively, and protruding parts are arranged at the two ends of each pin body respectively. The pin inserting piece is inserted between the two pin bodies so that the two protruding parts of the pin bodies can be clamped into the limiting grooves of the two corresponding open grooves respectively, and through the design of the combined pin, the connecting quality is guaranteed, and meanwhile the assembling difficulty can be lowered.

The invention discloses a plant steel structure riveting installation device, and relates to the technical field of riveting, the plant steel structure riveting installation device comprises a pneumatic core-pulling rivet gun and a core-pulling rivet, the core-pulling rivet is arranged in a gun nozzle, a rivet gun heating suite is arranged on a gun head, the rivet gun heating suite is composed of an electromagnetic heating coil and an electromagnetic heating controller, and the electromagnetic heating coil and the electromagnetic heating controller are connected through a connecting cable. The electromagnetic heating coil is installed on the periphery of the gun head in a telescopic mode, the electromagnetic heating controller is installed on the gun top, the self-plugging rivet comprises a hollow rivet sleeve and a core rod, the head end of the core rod is arranged in the hollow rivet sleeve, the core rod is composed of a silicon nitride ceramic column and a steel column, and the silicon nitride ceramic column is arranged at the tail end of the hollow rivet sleeve and connected with the steel column. According to the invention, the special self-plugging rivet is designed by utilizing the existing pneumatic core-pulling riveting gun and the electromagnetic heating coil for rapid heating, so that the problem that the traditional self-plugging rivet cannot be directly hot-riveted on the pneumatic core-pulling riveting gun is solved, the operation process is simplified, the tool conversion time is shortened, the riveting efficiency is improved, and the labor intensity is reduced.

The utility model discloses a water swelling air pressure adjusting mechanism of a vacuum cup, which relates to the technical field of vacuum bottles and comprises a bottle body, a handle arranged on the outer wall of the left side of the bottle body, a bottle cap arranged on the bottle body, an opening, a mounting plate, a through hole, a sliding rod and a convex ball arranged in the bottle cap through a cavity, and a dustproof net arranged at an air outlet of the cavity. A fixing block and a clamping block are arranged on the outer wall of the right side of the bottle body, and a sliding plate and an insertion rod are arranged on the side wall of the bottle cap through the installation block. Under the action of the sliding rod and the convex ball, the convex ball cannot be driven by power equipment, and the convex ball is driven to move only by air pressure in the bottle body, so that the function of adjusting the air pressure in the bottle body is realized, the situation that a bottle cap cannot be opened due to inconsistent air pressure inside and outside the bottle body is reduced, and the use efficiency of the vacuum bottle is ensured; under the action of the clamping block and the inserting rod, the connecting quality of the bottle cap and the bottle body is guaranteed.

The invention relates to the technical field of the building industry, and discloses a fabricated steel structure and an installation method, the fabricated steel structure comprises frame columns and frame beams, and the frame columns and the frame beams are connected in a matched mode; the modular node units are detachably connected with the frame columns and the frame beams respectively; the modularized joint unit comprises a first connecting plate and a second connecting plate, the sides, deviating from each other, of the first connecting plate and the second connecting plate are suitable for being connected with one ends of the adjacent frame columns correspondingly, and a box type steel column section is arranged between the first connecting plate and the second connecting plate; the two ends of the box type steel column section are connected with the first connecting plate and the second connecting plate correspondingly. The modularized joint units are further provided with I-shaped steel beam ends, and the two I-shaped steel beam ends are connected with the two ends of the box type steel column section respectively in the extending direction of the frame beam.

The invention discloses a reinforcing steel bar connecting sleeve, a connecting structure and a construction method, and relates to the technical field of building reinforcing steel bar connection.The reinforcing steel bar connecting sleeve comprises a sleeve body and reinforcing steel bars to be connected, and the sleeve body comprises a sleeve body and a sealing gasket located at the end opening of the sleeve body; a closed cavity is formed in the barrel through the sealing gasket, and a cementing material is arranged in the closed cavity of the barrel; the connecting reinforcing steel bars penetrate through the sealing gasket and penetrate into the cylinder body, the connecting reinforcing steel bars are wrapped by the cementing material, and the cylinder body is connected with the reinforcing steel bars. The invention has the advantages that the cementing material is injected into the sleeve in advance, only the reinforcing steel bar is inserted during installation, the installation is convenient, and the connection is reliable; due to the structure of the sealing gasket, little cementing material leaks out, the connection of the sleeve is visually checked due to the arrangement of the material bolt hole, and compared with an existing grouting sleeve, the connection quality is better guaranteed; the sleeve can be applied to a cast-in-place environment and a prefabrication environment, and the other end of the sleeve is provided with ports in different forms, so that the sleeve can be suitable for various occasions and is convenient to install and efficient in connection.

The utility model discloses a kind of flexible flat cable automatic plug-in mechanism, including workbench, rack and counterplug mechanism, two placement cavities are arranged at intervals on rack, one of two placement cavities is used to place test mainboard, another is used to place panel to be tested, test mainboard has first socket, panel to be tested has second socket;Counterplug mechanism includes rack, first driving part and clamping assembly, first driving part is set on rack, the drive end of first driving part is provided with clamping assembly, clamping assembly includes second driving part and two clamping pieces set on second driving part, clamping piece is used to clamp flexible flat cable, first driving part can drive clamping assembly to move along first direction, second driving part can drive two clamping pieces to be away from each other and the both ends of flexible flat cable are respectively inserted in first socket and second socket, realize the automatic connection of test mainboard, flexible flat cable and panel to be tested, and connection precision and connection efficiency are high.

The invention relates to a cap screwing device applied to a small gas storage bottle. The cap screwing device comprises a fixing frame and a cap screwing assembly. The fixing frame comprises a top plate, a fixing plate and a bottom plate. The cap screwing assembly comprises a lifting mechanism and a grabbing mechanism. The grabbing mechanism comprises a servo motor, a motor base plate, a connecting shaft, a grabbing air cylinder, a lower pressing plate, a vertical spring, a lower pressing cylinder, a paw, an elastic belt and a sleeve. The motor base plate is connected with the bottom plate through a vertical spring; the output end of the servo motor faces downwards and is connected with the connecting shaft; the grabbing air cylinder is connected with the motor base plate and the lower pressing plate. The outer wall of the pressing cylinder is big-end-up; the upper ends of the paws abut against the outer wall of the lower pressing cylinder, and the middles are hinged to the lower ends of the connecting shafts; the elastic band is connected with the upper end of the paw; the sleeve is embedded in the lower end face of the connecting shaft. The fixing frame provides enough space; flexible connection between the servo motor and the fixing frame is achieved through the vertical spring, buffering is carried out when the lifting mechanism excessively descends, the servo motor stably descends along with the screwing-in depth of the valve, and the connecting quality of the valve and the gas storage bottle is guaranteed.

The present application relates to a channel estimation optimization method, device, equipment and medium of a base station MIMO wireless communication system, which relates to the field of data processing, and the method includes: obtaining the channel preamble code in each communication connection request; based on the channel preamble code in the communication connection request, determining the pulse emission rate of multiple neurons corresponding to the channel preamble code in a preset channel estimation optimization model; in the neurons of the channel estimation optimization model, using Poisson distribution to perform Poisson sampling according to the pulse emission rate, randomly generating the time interval for the next pulse emission, and when the accumulated time interval reaches or exceeds the preset time interval threshold, recording the channel pulse code of the channel preamble code corresponding to the current time point; inputting the channel pulse code of the channel preamble code into the variational autoencoder in the channel estimation optimization model to reconstruct the channel preamble code. While improving the accuracy and efficiency of channel estimation, the present application also significantly reduces the energy consumption of the MIMO wireless communication system.

The present invention discloses a precast concrete column connected without a grouting sleeve and an installation method. The present invention has a simple and reasonable structure, strong operability and high construction efficiency, realizes the visualization of the installation process of the precast concrete column, makes the inspection and acceptance of each process more intuitive, and enables the precast concrete column connecting steel bars and the embedded anchoring bars to be reliably connected at each position, avoids the common technical defects of the grouting sleeve connection technology, such as the difficulty in lifting the precast component into place, the insufficient filling of grouting material between the anchor bar and the grouting sleeve, the low connection strength of the grouting joint, and the inability to perform effective in-process quality control, fundamentally guarantees the connection quality between the precast concrete column and the main structure, and further guarantees the construction quality of the main structure engineering of the precast concrete building.

The invention discloses a pay-off device and method for electrical equipment installation, and belongs to the field of electrical equipment installation. A pay-off device for electrical equipment installation comprises a pay-off rack, and further comprises a pay-off unit arranged on the pay-off rack and used for paying off a cable; the straightening unit is arranged on the pay-off rack and used for straightening a cable during pay-off, and the straightening unit is electrically connected with the pay-off unit and used for adjusting the pay-off speed of the pay-off unit; the cleaning mechanism is arranged on the straightening unit, and the straightening unit can drive the cleaning mechanism to reversely rotate along the paying-off direction of the cable; according to the invention, the problems of low cable installation efficiency, poor safety, easy cable damage, high cable installation difficulty and inconvenient cable surface dust cleaning in power equipment can be overcome.

The invention discloses a combined installation method for embedded parts of a water turbine, and relates to the technical field of hydroelectric power stations. The water turbine embedded part combined installation method comprises the following steps that S1, a pressure steel pipe is installed; s2, mounting and fixing the seat ring; s3, a volute is correspondingly installed between the seat ring and the pressure steel pipe; s4, the adjusters are installed, the pressure steel pipe and the adjusters are subjected to full welding, the adjusters and the volute are welded, and welding circular seams are reserved; s5, fixing of the seat ring is relieved, and welding closing is conducted on a welding circular seam at the connecting position of the adjuster and the volute; s6, after the installation elevation and the horizontal deviation of the seat ring are determined and fine adjustment is carried out, the ring seat is fixedly installed; and S7, outer cladding reinforced concrete is poured. According to the combined mounting method for the embedded parts of the water turbine, the problem that the residual stress of the folding seam is large and cannot be effectively released during mounting of the adjuster can be effectively solved, the connecting quality after mounting of the adjuster is guaranteed, and potential safety hazards caused by mounting of the adjuster in the operation process of a power station are eliminated.

The invention belongs to the technical field of building construction, and discloses a roof system construction method which is used for installing a roof system to the top of a building main body, the roof system comprises a main body structure, a keel structure and a roof structure, the keel structure is connected to the top of the main body structure, and the roof structure is connected to the top of the keel structure; the construction method of the roof system comprises the following steps: splicing the main body structure on the ground; mounting the keel structure to the top of the main body structure; the main body structure and the keel structure are lifted to preset positions away from the ground through lifting equipment, so that the main body structure and the keel structure deform in the lifting process due to self weight and structural stress; after the main body structure and the keel structure are kept stable, the roof structure is installed on the top of the keel structure; and the assembled roof system is lifted to the top of the building body through lifting equipment, and the roof system is connected with a peripheral structure of the top of the building body. The construction efficiency and the construction safety can be improved, and meanwhile the installation quality can be guaranteed.

The invention discloses a cabin wall plate with a connecting groove, and relates to the technical field of cabin wall plates, the cabin wall plate comprises a panel I, a panel II, fireproof rock wool, reinforcing ribs and a connecting plate, one end part of the panel is provided with a 90-degree folding edge, the end part of the panel II is provided with an 80-degree folding edge, and a clamping part comprises a clamping block. A clamping groove for the clamping block to stretch in is formed in the surface of the brim edge, the abutting part is arranged in the first groove, the limiting part comprises a force storage assembly connected with the abutting part, an octagonal folding edge is arranged at the end of the second panel, a U-shaped inserting groove is formed by the folding edge and the folding edge of the first panel, a wall plate can be conveniently inserted and installed, and the wall plate is more compact. Through movement of the clamping part, the clamping block extends into the clamping groove to achieve primary clamping, and through movement of the limiting part, the limiting plate is limited, so that secondary clamping is achieved, the connection firmness of the bulkhead plate is guaranteed, bolts do not need to be used for punching, and the effects of the attractiveness, comfort and connection efficiency of a ship cabin are effectively improved.

The utility model discloses a battery pack and electric device with the same, the battery pack comprises a shell and a battery module, an accommodating cavity is formed in the shell, a pole is arranged on the shell, the battery module is arranged in the accommodating cavity and is electrically connected with the pole through a connecting assembly, the connecting assembly comprises a first plug connector, a second plug connector and a conductive elastic piece, one end of the first plug connector is plugged and matched in the second plug connector and is electrically connected with the second plug connector, the first plug connector and the second plug connector are electrically connected with the pole and the battery module respectively, and a first conductive elastic part of the conductive elastic parts is connected between the periphery of the first plug connector and the second plug connector; the second conductive elastic piece is connected between one end of the first plug connector and the second plug connector, and at least part of the conductive elastic piece protrudes towards the first plug connector or the second plug connector. According to the battery pack provided by the embodiment of the utility model, the connection difficulty of the battery module and the pole can be reduced, and the connection quality of the battery module and the pole can be ensured to a certain extent.

A one-time forming riveting process for pressing a crankset into a crankset connecting piece belongs to the technical field of crankset manufacturing, and comprises the following steps: (1) producing the crankset connecting piece through a connecting piece mold; (2) the formed crankset connecting piece is conveyed to a crankset body production mold; the chain wheel body production die is provided with a press riveting station, and the chain wheel body and the chain wheel connecting piece are formed in a press riveting mode through the press riveting station. And (3) a formed product obtained after press riveting is input into a product receiving box. On one hand, assembly line automatic production of the crankset body and the crankset connecting piece can be achieved, on the other hand, assembly line production of a forming piece for connecting and fixing the crankset body and the crankset connecting piece can be achieved, the production efficiency is greatly improved, and the production difficulty and the production cost are reduced.

The utility model discloses a wind driven generator blade mounting device, which relates to the technical field of wind driven generators and comprises a fixing plate, a steel rope arranged on the fixing plate through a connecting column, a lower clamping plate arranged at the bottom of the fixing plate through a mounting shell, a sliding plate arranged in the mounting shell through a sliding rail, an upper clamping plate arranged on the sliding plate, and a first bevel gear arranged on a threaded rod. A second bevel gear is rotationally arranged in the mounting shell through a rotating shaft and connected with the first bevel gear. Under the action of moving the upper clamping plate up and down, the wind driven generator blade clamping device can better clamp and fix wind driven generator blades of different sizes, so that the actual use requirement is better met, the clamping and fixing quality of the upper clamping plate on the wind driven generator blades is guaranteed when the clamping device is matched with a worm gear and a worm for use, and the working efficiency is improved. And under the action of the connecting column and the fixing plate, the connecting quality of the device and the hoisting device is guaranteed.

This utility model discloses a construction connection node for a low-level plate and a column base reinforcement. It includes column base reinforcement welded to the top of the inner cavity of a concrete base layer. A column base is fixedly connected to the central axis of the top of the column base reinforcement. Low-level plates are attached to both the front and rear sides of the column base, and the two low-level plates are fixed to the top of the concrete base layer. Connecting plates are attached to both the left and right sides of the column base. The side of each connecting plate away from the column base is fixedly connected to the low-level plate. Two symmetrical connecting pieces are bolted to the bottom of each connecting plate. This utility model supports and fixes the column base using low-level plates and connecting plates. The combined use of I-beams, connecting steel, and transverse connecting steel ensures the stability and reinforcement of the column base during support, thereby ensuring the accurate positioning of the low-level plates and connecting plates when fixing the column base to the top of the inner cavity of the concrete base layer.

The present application belongs to the technical field of hydraulic components, in particular to a stainless steel oil pipe connecting piece for truck cab turnover system, which comprises a fixing piece, a connecting pipe, a sliding piece, a driving piece and a mounting piece; the present application drives two sliding pieces to move by rotating the driving piece, and then drives the pushing structure to move, and then drives the extrusion piece to move to one side of the connecting pipe, and then makes the extrusion part resist on the side of the oil pipe end, and then makes the side of the place deform to the convex structure and form an inclined plane, and the lower side of the inclined plane resists on the convex structure, and the upper side of the inclined plane and the extrusion part resist each other, and then fixes the position of the inclined plane, and then connects the oil pipe and the connecting piece together, and then connects two oil pipes together, and then completes the connection of the pipeline; the connection of two oil pipes can be completed by rotating the driving piece, and then the special clamp is avoided to connect the oil pipe, and then the connection of the oil pipe is facilitated.

The invention provides a prefabricated self-resetting energy dissipation combination column structure, and relates to the technical field of seismic resistance and seismic mitigation and isolation devices. The device comprises an upper column body and a lower column body, two parallel connecting sliding rails are arranged at the bottom of the upper column body, a sliding groove is formed between the connecting sliding rails, a mounting hole communicated with the sliding groove is formed in the tail end of the sliding groove, and a self-resetting buckle which can slide along the sliding groove and is clamped with the mounting hole in a matched mode is arranged at the top of the lower column body. The limiting block and the connecting sliding rail are installed in a matched and sliding mode, and the top end and the bottom end of the limiting block are detachably connected with the upper column body and the lower column body through fasteners respectively. The connecting sliding rail at the bottom of the upper column body and the self-resetting buckle at the top of the lower column body are rapidly spliced to achieve rapid and stable installation of the column bodies, the advantage of being easy and convenient to construct is achieved, all components are prefabricated in a factory and rapidly assembled on a construction site, and material waste and environmental pollution are reduced while the connecting quality and safety are guaranteed; and the method has good economical efficiency.

This invention relates to the field of ship installation technology, and discloses a shore-based installation method and device for stern-mounted flexible hoses. It overcomes site limitations, considering the confined space at the stern of an FPSO, by employing a simple installation device and utilizing land resources for operation. Even with limited space on the ship, rapid and accurate installation can be achieved. This invention minimizes damage during the installation of the stern-mounted flexible hose. During the connection process, an installation trolley is placed at three positions—fore, middle, and aft—to support the hose and prevent bending damage during connection. Furthermore, a specialized guide column is used during the retrieval of the stern-mounted flexible hose to the winch drum, improving installation efficiency and ensuring reliability. By controlling the radius of curvature at the inflection points of the stern-mounted flexible hose and the position of the lifting points, damage or breakage due to improper angle control at the inflection points is prevented. Pressure testing verifies the reliability of the connection and ensures connection quality.

The utility model provides a kind of steel encloses purlin wing plate connecting device, including the wing plate side wall of at least one side of steel encloses purlin joint place close adhesion's connecting plate, connecting plate one end is equipped with first clamping part, connecting plate other end is equipped with second clamping part, first clamping part and second clamping part are oppositely arranged;First clamping part and second clamping part are all clamped on the wing plate of steel encloses purlin joint place, wherein, first clamping part is clamped on the one end of wing plate along vertical direction, and second clamping part is clamped on the other end of wing plate along vertical direction.The utility model can guarantee the connecting quality while effectively reducing steel encloses purlin wing plate connecting difficulty, improve installation efficiency and material turnover rate.

The utility model discloses an electromagnetic heating hot-blast stove, which relates to the technical field of electromagnetic hot-blast stoves and comprises a hot-blast stove, an air supply box arranged on the left side of the hot-blast stove, a fan arranged in the air supply box through a grid mounting plate, a grid plate arranged on the left side of the air supply box, and a threaded rod, a sliding rail, a sliding block and a cleaning roller arranged on the air supply box through a mounting frame, the cleaning roller makes contact with the grid plate, a first installation block is arranged on the air supply box, a second installation block is arranged on the hot blast stove, and an insertion rod is arranged on the first installation block through a first sliding rod. Under the action of the grid plate, gas entering the hot blast stove can be filtered, in addition, the grid plate can be cleaned in cooperation with a cleaning roller, the filtering quality of the grid plate is further guaranteed, under the action of an inserting rod and a second mounting block, a worker can conveniently detach the hot blast stove and an air supply box, and the working efficiency is improved. And components in the hot-blast stove and the air supply box are maintained.