203results about How to "Reliable docking" patented technology

The invention relates to a cutting-free fast tearing butt coupler and a butt joint piece, as well as a fabricated part formed by the cutting-free fast tearing butt coupler, a fabricated part formed by the cutting-free fast butt coupler, and butt joint structure between the fabricated parts, and the invention consists of a raising-pulling screw cap, a support-pulling screw cap and a fabricated part longitudinal bar which are positioned at the two ends of the fabricated parts, wherein the raising-pulling screw cap and the support-pulling screw cap have the internal thread structure, the internal thread is tearing screw thread, the center of the cap bottom is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, the two ends of the fabricated part longitudinal bar are upset into the upset head which is clamped and connected on the upset head clamping table, a pressure spring is positioned inside the support-pulling screw cap, one end of the pressure spring is positioned on the steel bar upset head, the other end thereof is provided with a tapered sleeve formed by two or a plurality of pieces, a screw thread sleeve is rotatably connected inside the support-pulling screw cap and locates the displacement on the tampered sleeve, the tail part of a connection-peg is connected with the internal thread of the raising-pulling screw cap, and the head part of the connection-peg has the ball-lacking shape and is matched with the tampered sleeve in an elastic joint way.

An apparatus for supporting docking of a marine vessel includes a distance measuring unit which measures a distance between the marine vessel and a candidate docking site, a distance measurement controlling unit which controls the distance measuring unit to measure distances between the marine vessel and at least three measurement points defined around the candidate docking site, a configuration evaluating unit which evaluates the configuration of the candidate docking site based on the distances between the marine vessel and the at least three measurement points, and a docking suitability judging unit which judges, based on the result of the evaluation, whether or not the candidate docking site is suitable for docking of the marine vessel.

The invention relates to a metro station digital twinborn monitoring operation and maintenance system comprising an existing SCADA subsystem; a sensor collection network comprising a plurality of sensors, wherein the sensors are arranged on facilities to be monitored in a metro station; a network camera monitoring unit comprising a plurality of network cameras distributed in the metro station; a server used for achieving data collection, analysis and storage, wherein the server is connected with the existing SCADA subsystem, the sensor collection network and the network camera monitoring unit;a digital twinborn model, wherein the model is a three-dimensional digital model consistent with an actual physical model of the metro station, and the model performs data exchange with the server and displays an actual state of the metro station. Compared with the prior art, the metro station digital twinborn monitoring operation and maintenance system has the advantages of establishing the digital twinborn model to display real-time data from multiple resources through a visual three-dimensional digital model, the actual operation state of the metro station can be reflected more effectively, and the information sharing and data analysis efficiency can also be improved.

Disclosed herein are an underwater docking system and a docking method using the system. An exemplary embodiment of the present invention relates to a system for docking a target body on a docking station under water, the system comprising: a guide unit provided to the docking station to transmit at least one guide signal to the target body; an agent unit connected to the docking station by a smart cable and disposed at a position spaced apart from the docking station so that the agent unit is moored under the water in a direction corresponding to a tidal current; and the target body configured to be guided toward the agent unit by the guide signal and then connected to a portion of the agent unit.

The invention discloses a multi-degree-of-freedom missile bay section butt joint device. The multi-degree-of-freedom missile bay section butt joint device comprises a vehicle body and a butt joint system. The vehicle body comprises a vehicle frame and wheels. The wheels are installed under the vehicle frame. The butt joint system is installed on the vehicle frame and comprises lifting mechanisms, posture adjustment mechanisms, feeding mechanisms and supporting mechanisms. The lifting mechanisms used for lifting missile bay sections are fixed to the vehicle frame. The lifting mechanisms are sleeved with one ends of the posture adjustment mechanisms, and the other ends of the posture adjustment mechanisms are connected with the feeding mechanisms. The supporting mechanisms are installed on the feeding mechanisms. According to the multi-degree-of-freedom missile bay section butt joint device, the advantages of a hoisting butt joint mechanism and the advantages of a lead screw and nut butt joint mechanism are combined; a flexible butt joint form is adopted, and adjustment of the butt joint postures of the missile bay sections is achieved through ball hinge assemblies and limiting assemblies; operation is flexible and easy, and butt joint can be achieved rapidly, safely and reliably; in addition, the structure is simple, and the manufacturing cost is low; the butt joint system is installed on the vehicle frame, thereby being suitable for being transferred from one site to another site.

The invention relates to a multi-headed fast tearing butt coupler and a butt joint piece, and a fabricated part formed by the multi-headed fast tearing butt coupler, and butt joint structure between the fabricated parts, and the invention includes a plug, a support-pulling screw cap is an internal thread structure, the internal thread is a tearing screw thread, the center of the cap bottom is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, the plug is hollow, the center of the hollow bottom of the plug is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, a pressure spring is positioned inside the support-pulling screw cap, one end of the pressure spring is positioned on the steel bar upset head clamping table, the other end thereof is provided with a tapered sleeve formed by two or a plurality of pieces, a screw thread sleeve is rotatably connected inside the support-pulling screw cap and locates the displacement on the tapered sleeve, the tail part of a connection-peg is connected with the internal thread of a raising-pulling screw cap, and the head part of the connection-peg has the ball-lacking shape and is matched with the tampered sleeve in an elastic joint way.

The invention discloses a shoe storage and delivery machine which comprises a shoe storage rack, shoe boxes, a three-axis carrier and a shoe storage and delivery window. The show storage rack is of a frame type multilayer structure, a plurality of shoe storage locations are uniformly distributed on each layer of the shoe storage rack, and positioning frames are mounted at the shoe storage locations; the shoe boxes are preliminarily arranged in the shoe storage locations, the corresponding shoe box is arranged on each shoe storage location, and lower turned edges are arranged at the edges of the shoe boxes; the shoe storage locations can be accurately positioned by the three-axis carrier, and the shoe boxes can be carried between the shoe storage locations and the shoe storage and delivery window by the three-axis carrier; the shoe storage and delivery window is arranged at a certain shoe storage location in the shoe storage rack or can be arranged on a side of the shoe storage rack. The shoe storage and delivery machine has the advantages that shoes can be completely intelligently and automatically stored and delivered, in other words, visitors only need to place or fetch the shoes at the shoe storage and delivery window without entering shoe cabinet regions, and spaces can be saved; shoe storage and delivery procedures are monitored in real time, a control system of the shoe storage and delivery machine can be networked with management and cashier systems of clubs, accordingly, the shoe storage and delivery machine can be managed in a unified manner, and errors can be prevented.

The invention discloses a clamp type manual rapid pipe connecting device. The clamp type manual rapid pipe connecting device comprises a medium guiding pipe, an upper semicircular clamp and a lower semicircular clamp, wherein a connecting flange and a counter flange are arranged at the two ends of the medium guiding pipe; the upper semicircular clamp is hinged to one end of the lower semicircular clamp; the other end is opened or closed through a clamping hold-down mechanism; the upper semicircular clamp and the lower semicircular clamp are hinged to the counter flange in the radial direction; the clamping hold-down mechanism is hinged to the lower semicircular clamp through a rotary shaft stop to operate the clamping hold-down mechanism to enable a lever cam to be pressed on the upper semicircular clamp, so that the counter flange can be butted with an infusing flange rapidly and reliably; a locking nut on an adjusting pulling rod is adjusted, so that the infusing flange with certain size deviation can be adapted. According to the invention, the clamp type manual rapid pipe connecting device is used for working conditions in which repeated assembling, disassembling and butting are needed, and has the advantages of simple structure, light weight, convenience and rapidity for operation, high connecting reliability, high working efficiency and the like.

The invention discloses a box-building type optical fiber splicing unit capable of being repeatedly opened and used, comprising a front-mounted box assembly used for fixing an optical fiber and a rear-mounted box assembly used for fixing the optical cable coating of the optical fiber, wherein and the front-mounted box assembly and the rear-mounted box assembly are fixedly connected; the front-mounted box assembly comprises a shell, a building cover, a front-mounted box, a V-slot metal block, a lock pin and a guide block, and the building cover is arranged on the shell; the front-mounted box, the V-slot metal block, the lock pin and the guide block are arranged in the shell; the box is provided with floating ribs and building slots; the building cover comprises building arms and building bodies; the building bodies and the building slots fit; the shell is also provided with an opening cover; the opening cover and the building cover are relatively arranged; the opening cover comprises at least one top plate; and the top plate can act on the building arms of the building cover and open the building cover. The optical fiber splicing unit has simple and reliable splicing structure, short site operating time and low overall manufacture cost and greatly reduces the terminating difficulty of optical fiber splicing.

The invention relates to a laying, recycling and charging device for a mobile cableless underwater robot, and the device comprises an unmanned ship (1), an automatic winding and unwinding mechanism, amooring rope (4), a remote control unmanned submersible (5) and a charging pile (6), wherein the automatic winding and unwinding mechanism is arranged on the unmanned ship (1), and the charging pile(6) is fixed below the remote control unmanned submersible (5); the mooring rope (4) is connected to a remote control unmanned submersible (5) and a charging pile (6) through an automatic winding andunwinding mechanism, and a charging plug (7) in butt joint with the charging pile (6) is arranged on the cableless underwater robot (8). Compared with the prior art, the device can improve the workingrange and the working efficiency of the cable-free underwater robot (8), so the operation of the cable-free underwater robot (8) is more unmanned and autonomous, and meanwhile, the risk generated inthe process of recycling the cable-free underwater robot (8) under severe weather and sea conditions can be avoided.

The invention relates to an automatic running device. The automatic running device can be in selective butt joint with a charging station and can obtain energy from the charging station. The automatic running device comprises a first set of terminals, an energy storage unit and a first control unit, wherein the first set of the terminals at least comprises a first terminal and a second terminal; the charging station comprises a second set of terminals which at least comprises a third terminal and a fourth terminal, and the second set of terminals can be correspondingly and electrically connected with the first set of terminals; the energy storage unit is used for supplying power for the automatic running device; and the first control unit is used for controlling the working condition of the automatic running device and comprises a signal transmitting module and a signal receiving module, wherein the signal transmitting module is used for transmitting a preset detected signal and is electrically connected with the first terminal, the signal receiving module is electrically connected with the second terminal, and when a preset feedback signal corresponding to the preset detected signal is received by the signal receiving module, then whether the automatic running device and the charging station are in successful butt joint or not can be determined by the first control unit. The automatic running device provided by the invention can be in automatic butt joint with the charging station.

The invention relates to an automatic charging vehicle, including: an automatic walking module configured to travel to a device to be charged according to the route between the automatic charging vehicle and the device to be charged; a power module configured to store and provide energy; and an automatic docking and separation device configured to perform docking and separation between a first connector and a second connector capable of electrical contact with the first connector, wherein the first connector and the second connector are used for transmitting electric energy.The invention further relates to a method for running an automatic charging car and an automatic charging system. The automatic charging vehicle and the operation method thereof and automatic charging system can realizeautomatic walking and automatic docking, thereby greatly improving charging efficiency and reducing charging cost.

The invention discloses a quick butt joint connector which is simple in structure and convenient and quick in butt joint operation. The quick butt joint connector comprises a female connector and a male connector which are connected, wherein the male connector or the female connector can bear high pressure before the male connector and the female connector are in butt joint. The female connector comprises a female valve body with a fluid channel, a core sleeve is positioned in the fluid channel, a choke plug is fixed at one end of a core shaft, the other end of the core shaft penetrates through the core sleeve, a slide sleeve is sleeved on the core shaft, an elastic element is arranged between the slide sleeve and the female vale body or the core sleeve, and the elastic element enables the slide sleeve and the choke plug to be in sealing contact and the core shaft and the core sleeve to be in sealing contact. The male connector a male valve body with a runner, a valve core is positioned in the runner, an elastic part is positioned between the male valve part and the valve core, and the elastic part enables the valve core and the valve seat to be in sealing contact. When one end of the male valve body is inserted into the female valve body, the male valve body can push the slide sleeve to move the distance A, the valve core can push the core shaft to move the distance B, and the B is smaller than the A. Thus, the valve core and the valve seat are not in sealing contact, the choke plug and the slide sleeve are not in sealing contact, the core shaft and the core sleeve are not in sealing contact, and the fluid channel and the runner can form a through channel. Sealing rings are arranged on the core shaft and the valve core, and a location mechanism capable of limiting the male valve body to move is positioned on the female valve body.

The invention provides a control system for a butting mechanism of a reconfigurable robot and a control method of the control system. The control system comprises an upper computer, a controller, a driver, an infrared detection device and an encoder; the controller is connected with the upper computer; the encoder is connected with the controller after being connected with the driver; the infrareddetection device is connected with the controller; and the encoder is fixed to the joint position of a mechanical arm. The control method includes the steps of approaching, positioning detection, butting locking and joint movement, wherein an initiative moving module approaches a passive moving module; the infrared detection device measures the distance between a passive connector and an initiative connector and transmits a signal to the controller; the controller controls the driver to drive the mechanical arm to move; and after the passive connector stretches into an initiative butting device, a locking mechanism on the initiative connector rotates, and locking of the passive connector is completed. The control system is accurate and reliable in butting, initiative butting between a plurality of moving modules can be achieved, and the initiative moving module and the passive moving module have high loading capacity.

The invention discloses a DC electrical docking device capable of automatically pulling-in and disconnecting, comprising a floating module and a fixed module, wherein, the floating module consists ofa wiring post A, a wiring post B, a plug A, a plug B, a traction conductor A, a traction conductor B, a return spring A, a return spring B, a floating butt joint, a floating contact point A, a floating contact point B, a permanent magnet A and a permanent magnet B; and the fixed module consists of a permanent magnet C, a permanent magnet D, a fixed contact point A, a fixed contact point B and a fixed butt joint. The return spring A and the traction conductor A are communicated with the floating contact point A and the wiring post A; and the return spring B and the traction conductor B are communicated with the floating contact point B and the wiring post B. When the floating module is close to the fixed module, the permanent magnet A is connected with the permanent magnet C in an actuatingmanner, and the floating contact point B is connected with the permanent magnet D in an actuating manner; and when the floating module is separated from the fixed module, the two traction conductorspull away the two floating contact points to disconnect circuits with each other. The device can keep conduction in the case of vacillation and dislocation of the two plug bodies, and is particularlyapplicable to the fields of remote circuit conduction, field remote control operation and the like.

An electrical connector comprises a generally rectangular dielectric housing with a mating face and a mounting face. A plurality of terminal support posts extend in a direction from the mounting face towards the mating face and each support post has oppositely facing first and second sidewalls and a connecting surface. A plurality of terminal receiving cavities are spaced along a longitudinal axis of the housing for receiving terminals therein. A plurality of terminals are provided with each including a solder tail portion and a generally U-shaped contact portion. The solder tail portion is positioned along the mounting face and the contact portion includes a first, distal contact leg, a second, proximal contact leg spaced from and generally parallel to the first contact leg and a connecting portion extending between the first and second contact legs. The first contact leg extends along the first sidewall, the second contact leg extending along the second sidewall, and the connecting portion extending along the connecting surface.

The invention discloses a multifunctional insulating baffle. The multifunctional insulating baffle comprises two insulating baffle bodies. Each insulating baffle body is provided with a telescopic insulating hook. The two sides of the insulating baffle bodies are provided with guide rails. The guide rails are connected with push-pull folded wings. The edge of each insulating baffle body is provided with a semicircular groove. The positions, at the two ends of the semicircular grooves, of the insulating baffle bodies are provided with locking type safety buckles. According to the multifunctional insulating baffle, the length of the telescopic insulation hooks can be adjusted according to the distance between upper-layer wires and lower-layer wires on site, so the problem that the wires can not be hung on the hooks due to the fact that the distance between the upper-layer wires and the lower-layer wires is larger than the length of the hooks of an original insulating hanging plate can be solved, and the phenomenon that the problem makes it inconvenient for operating personnel to climb up electric poles can be avoided; the stretching length of the insulating baffle can be adjusted according to the operation environment on site so that the wires can be hung regularly; meanwhile, the wires can be hung firstly and the stretching length of the insulating baffle can be adjusted secondly, and then the problems that the insulating baffle is hung irregularly and the safe distance is difficult to control in the hanging process due to a complex ambient environment and dense devices are avoided; furthermore, a certain mechanical strength can be met, and meanwhile it can be guaranteed that the two insulating baffle bodies are in butt joint with each other firmly and reliably.

The invention discloses a rescue device for a failure emergency of separation of aircraft undercarriages from runways. The rescue device comprises a U-shaped frame body, and a lifting mechanism and a locking mechanism of an aircraft undercarriage, wherein a plurality of bearing universal wheels are arranged at the bottom of the U-shaped frame body; the lifting mechanism and the locking mechanism are arranged on the U-shaped frame body and are driven by hydraulic cylinders and motors to move, the frame body, the lifting mechanism and the locking mechanism can be formed by the welding of high-strength steel and high-strength alloy or the butting of high-strength bolts, and controllers are connected to the hydraulic cylinders and the motors so as to perform operation and control; the butting of the device and an aircraft only comprises locking operation and lifting operation, the butting can be completed within 5 minutes, and the situation that when the aircraft has tire burst, the aircraft can be drawn to leave a runway at the first time is realized. The rescue device disclosed by the invention has the advantages of reasonable design, compact layout, small size, high efficiency, high safety, high reliability, and high practicality.

The invention discloses a drum membrane type optical fiber splicer capable of being repeatedly opened to be used. The drum membrane type optical fiber splicer capable of being repeatedly opened to be used comprises an insertion core assembly, a box assembly, a shell assembly, a spring and an opening cover; the insertion core assembly and the box assembly are packaged in the shell assembly; the spring is arranged between the box assembly and the shell assembly; the box assembly comprises a box, a box cover, a guide wire block and a guide wire body; the box comprises a box body which is provided with a drum membrane cavity; two ends of the drum membrane cavity are communicated with the insertion core and guide blocks respectively; the side of the drum membrane cavity is provided with a drum membrane which is pressed to reduce the cross-sectional area of the drum membrane cavity; the periphery of the drum membrane is connected with the box body through a floating rib; a V-shaped groove is formed in the drum membrane cavity; and the box cover acts on the drum membrane through a locking membrane. The fixing action force which is applied by the optical fiber splicer to spliced optical fibers is distributed in a balanced way, and the twisting misplacement of the spliced optical fibers can be avoided; and moreover, a structure of sealing splicing points is adopted, so the splicing points are clean, and the erosion and interference of pollution can be avoided.

The invention provides an optical fiber connecting device which can connect every optical fiber with buffer covering layer but not need any other precise special optical fiber jointing device to improve the processing efficient. The optical fiber connecting device includes the jointing part and the shell. By the moving of shell in jointing part, the naked optical fiber can keep the connecting in jointing apparatus. At the same time, by the moving, the buffer layer holding part can press the optical buffer layer tightly to make optical fiber between the jointing parts and endure some axial and side outside force but has no influence to the optical connecting character.

The invention relates to a prestressed concrete pipe pile butt joint construction member and a prestressed concrete pipe pile, wherein the prestressed concrete pipe pile butt joint construction member and the prestressed concrete pipe pile are capable of ensuring small stress transfer after the prestressed concrete pipe pile and the prestressed concrete pipe pile are butt jointed, and capable of preventing the phenomenon of plate-rotting of an end plate of the prestressed concrete pipe pile. The prestressed concrete pipe pile comprises a prestressed concrete pipe pile butt-joint end plate which is composed of a boss-shaped flange end plate, a circular groove-shaped clamping end plate, two semi-circular boss locking rings and bolts. The end face of the boss-shaped flange en plate is matched with the end face of the circular groove-shaped clamping end plate, bosses inside the two semi-circular boss locking rings are inserted into the circular groove-shaped clamping end plate and the periphery of the boss-shaped flange end plate are connected with bolt screw thread holes of the protruding column inside the two semi-circular boss locking rings through a plurality of bolts. The prestressed concrete pipe pile butt joint construction member and the prestressed concrete pipe pile have the advantages of solving the phenomenon of plate-rotting after the welding of the prestressed concrete pipe pile end plates, and ensuring reliable transfer and reliable butt joint of prestress between an upper segment of the pipe pile and the lower segment of the pipe pile.

The invention discloses an elastic pierced radio frequency coaxial connector with a radial and axial floating function. The elastic pierced radio frequency coaxial connector comprises a plug and a socket. The socket and the plug are plugged. The elastic pierced radio frequency coaxial connector is characterized in that the plug is composed of a pressure tube, spring wires, an internal sleeve and an internal rod. The head part of the internal rod is "omega"-shaped. The internal sleeve is "H"-shaped. The pressure tube is fixed on the internal rod. There are multiple spring wires which are evenly distributed on the internal sleeve circumferentially. The spring wires and the internal sleeve are integrally plugged in the internal rod and fixed in the internal rod by the pressure tube. The elastic pierced radio frequency coaxial connector is used for the board-to-board occasion of electronic communication equipment and devices. Higher radial and axial floating quantity is provided by an elastic pierced part in the use process so that great contact of the connector can be guaranteed, and stable and reliable butting can be provided. The elastic pierced radio frequency coaxial connector can be a high-power connector and can be used for multiple forms of PCB transmission, cable transmission and adapter connection of different interfaces. The elastic pierced radio frequency coaxial connector is a two-body type elastic pierced radio frequency coaxial connector so that the elastic pierced radio frequency coaxial connector is high in floating quantity, great in butting performance, simple and practicable in structure and economical in cost in comparison with a three-body type floating blind plugging connector.

The invention discloses a charging structure of a mobile robot. The charging structure comprises a charging female head assembly fixedly connected with the tail of the mobile robot and a charging male head assembly fixedly connected with a charging pile; the charging female head assembly comprises a female head base; three insulating bolsters are fixedly connected onto the female head base side by side, the cross section of the insulating bolsters being trapezoidal; female head contact copper sheets are fixedly connected onto the slopes of the insulating bolsters; the charging male head assembly comprises a male head base and a pair of male head contact assemblies; each male head contact assembly includes a male head contact copper sheet and an elastic component; the male head contact assemblies are of elastic structures, so that the female head contact copper sheets and the male head contact copper sheets can be fully attached to each other; trumpet-shaped openings are formed at oblique segments of the copper sheets; the trumpet-shaped openings can be reliably in butt joint with the female head contact copper sheets of a certain angle which are formed on the slopes of the insulating bolsters; the male head base is fixedly connected with an extension plate which can increase the triggering width of a travel switch; and therefore, the reliability of the charging structure can be enhanced.

The invention relates to an automatic charging device, including: an automatic walking module, which is configured to travel to an electric vehicle according to the route between the automatic charging device and the electric vehicle; a power module, which is configured to store and provide power; and a docking device, which is configured to be able to dock with a charging interface and / or the electric vehicle, wherein the charging interface is provided with a first connection end used for electrically connecting with the electric vehicle and a second connection end used for electrically connecting with the automatic charging device. The invention further relates to a method for running the automatic charging device and an automatic charging system. Through the automatic charging device and the operation method thereof, automatic walking can be achieved, so that the charging efficiency is greatly improved and the charging cost is reduced.

The invention discloses a spring buffer type automatic argon blowing connector. The spring buffer type automatic argon blowing connector comprises an argon sending mechanism, an argon receiving mechanism, an automatic axis calibrating and hanging mechanism and a deflection range restricting mechanism. The spring buffer type automatic argon blowing connector has the advantages that due to design of an argon sending mechanism guiding head, a loudspeaker guiding opening and a dual-sealing structure composed of butt joint soft sealing and butt joint hard sealing, butt joint and coordination are smooth, and airtightness of a transportation channel is good; due to design of the automatic axis calibrating and hanging mechanism and the deflection range restricting mechanism, argon blowing connection can be implemented and completed in a larger deviation range, center positioning accuracy requirement when a steel ladle settles down is greatly reduced, and operation of a crane driver is much easier; and due to design of a buffer device, collision and damage accidents of equipment can be reduced, and reliability is high.

The invention provides a cutting box of a slot milling machine. The cutting box is formed by a plurality of unit cutting boxes, wherein each unit cutting box comprises a box body, two chain sets, a lubricating oil pipe, a conveying and transporting pipeline, a positioning pin, sealing bases, a rapid connector, a rapid connector base, a sealing sleeve and an O-shaped ring; the two chain sets are arranged on the left and right side faces of the box body; the lubricating oil pipe and the conveying and transporting pipeline are arranged in an inner cavity of the box body along a vertical direction of the box body in a manner of being parallel to each other; the lubricating oil pipe is provided with concave pits on the outer end faces of an upper cover plate and a lower cover plate; the sealing bases are screwed in the concave pits; the rapid connector and the rapid connector base are respectively screwed in the sealing bases; the conveying and transporting pipeline is provided with counter bores in the outer end faces of the upper cover plate and the lower cover plate; one half of the sealing sleeve is placed in the counter bore of the upper cover plate and the other half of the sealing sleeve protrudes and is in relative sealed match with the counter bore of the lower cover plate of the box body; and the positioning pin of the upper cover plate is complemented with a positioning hole in the lower cover plate. According to the cutting box of the slot milling machine disclosed by the invention, the butt joint accuracy of the cutting box is ensured so that the sealing performance of the lubricating oil pipe and the conveying and transporting pipeline is improved and the working stability of equipment is ensured.

The present invention discloses a hard disk backplane integrated test fixture. The test fixture comprises a base, a hard disk mounting box, a backplane mounting fixture slidably connected with the base, and a driving mechanism for driving the backplane mounting fixture. The hard disk mounting box comprises a box body and a hard disk disposed in the box body; the hard disk connection end of a firstconnection line is connected with the socket of the hard disk; the backplane connection end of the first connection line is fixed with the front side of the box body and protrudes from the outside ofthe box body; the position of the backplane connection end is in one-to-one correspondence with the position of the installation port of the hard disk backplane. The backplane installation fixture comprises a first clamp plate and a second clamp plate for clamping a hard disk backplane, and the first clamp plate is provided with a first through hole that allows the insertion of the backplane connection end. By virtue of the hard disk backplane integrated test fixture disclosed by the present invention, the test efficiency of the hard disk backplane is improved, and the hard disk backplane integrated test fixture can be inserted and removed at one time regardless of how many ports the hard disk backplane has, so that the probability of damage to the hard disk backplane is reduced.