77results about How to "Smooth plugging" patented technology

The invention discloses an agitator having high efficiency and a good stirring effect. The agitator comprises a rack provided with a working platform, wherein two guide columns are arranged on the working platform, fixing plates are arranged on the two guide columns, a guide plate is arranged between the fixing plates and the working platform, the guide plate is connected to the two guide columns in a sliding manner, a cylinder is connected to the inner side of each fixing plate, the end part of a piston rod of the cylinder is connected with the middle of the guide plate, two stirring boxes are further fixed on the working platform, a lower rotating shaft is arranged in each stirring box, the outer end of the lower rotating shaft stretches out from the stirring box and is fixedly connected with the working platform in the axial direction, a convex stirring paddle is arranged on the outer side wall at the inner end of the lower rotating shaft, a sealing plate is propped on the upper end face of each stirring box, the sealing plate is fixedly connected with the guide plate through a connecting shaft, a motor is arranged in the rack, the motor drives the two lower rotating shafts to simultaneously rotate through a transmission mechanism, and the stirring device has the advantages of high working efficiency and good stirring effect.

The invention relates to a glass bottle opening inner plug capping machine. The glass bottle opening inner plug capping machine comprises a stand, a cap sorter, a plug feeding groove, a guide plug falling mechanism, a bottle inspection photoelectric sensor, a bottle shifting guide mechanism, an operation touch screen, a plug pressing mechanism and a bottle conveying belt, wherein the plug feeding groove is arranged between the cap sorter and the guide plug blanking mechanism; the guide plug falling mechanism is arranged above the bottle shifting guide mechanism; the bottle inspection photoelectric sensor is mounted at the bottle inlet end of the bottle shifting guide mechanism; the plug pressing mechanism is arranged on both sides of the bottle conveying belt and positioned behind the bottle shifting guide mechanism; and the cap sorter, the guide plug falling mechanism, the bottle inspection photoelectric sensor, the bottle shifting guide mechanism, the operation touch screen, the plug pressing mechanism and the bottle conveying belt are arranged on the stand. The glass bottle opening inner plug capping machine is reasonable in structural design. Plugs can be sorted, conveyed, fallen and pressed automatically, the plugging efficiency is high, plug pressing is stable, the phenomenon that a bottle opening is crushed is avoided, the whole plugging process does not need manpower, and the plugging quality is stable without influence by human factor.

A transmission board (10) comprises a frame body (30) and a surface board (20) supported by the frame body (30) and having a transmission circuit. The frame body (30) has plugging edges (33, 34) that project from the edges of the surface board (20) for guiding the terminals of mating connectors to connection pads on the surface board (20). The plugging edges have guiding slopes 33A and 33B, and 34A and 34B. At least the plugging edges of the frame body (30) are made of a metal or resin molding.

The invention discloses a grouting plug for a two-fluid process. The grouting plug comprises a slurry inlet pipe. An expansion pipe is arranged in the middle of the slurry inlet pipe and sleeves the outer side of the slurry inlet pipe, a slurry inlet pipe head is arranged on the expansion pipe and is communicated with the expansion pipe, a slurry return pipe is arranged on a side surface of the slurry inlet pipe, is of a T-shaped structure and is integrally connected with the expansion pipe, an end of the slurry return pipe is connected with a circular pipe ball plug, the circular pipe ball plug is fixedly connected with the outer side of the slurry return pipe by a hoop, a pipe core is arranged on a side surface of the slurry inlet pipe, one end of the pipe core is connected with the slurry inlet pipe by a return spring, a slurry overflow opening is connected to the other end of the pipe core and is communicated with the pipe core, sealing steel rings are arranged on the upper side surface and the lower side surface of the pipe core and sleeve the pipe core, and a stuffing pipe joint is arranged in the pipe core. The grouting plug for the two-fluid process has the advantages that the grouting plug can be widely used for pure-pressure grouting and circulation grouting in holes, and water can be freely discharged in the grouting holes, so that a plug body is free of head pressures, the plug can be lifted smoothly, dispersion of cement slurry can be effectively controlled, and the re-grouting frequency can be obviously reduced.

The invention relates to a high-strength fireproof insulation board with a tongue-and-groove structure and a manufacturing method of the high-strength fireproof insulation board. The insulation boardcomprises upper layer color steel, a common rock wool board and lower layer color steel, and the common rock wool board is located between the upper layer color steel and the lower layer color steel.The upper surface and the lower surface of the common rock wool board are bonded with the upper layer color steel and the lower layer color steel correspondingly, the upper layer color steel and the lower layer color steel are connected in a pressing mode at the left ends and the right ends to form a tongue and groove, the tongue and groove is provided with a cavity, the cavity is internally provided with a high-density rock wool filling block, the cavity of the tongue and groove is filled with the high-density rock wool filling block, the left end and the right end of the common rock wool board are flush cutting surfaces, the inner end of the high-density rock wool filling block is tightly attached to the cutting surface of the common rock wool board, and the outer end of the high-densityrock wool filling block is tightly attached to an inner cavity wall of the tongue and groove. Compared with the prior art, the tongue and groove is good in insulation performance, a high-density rockwool material is adopted, the hardness is high, the smooth insertion connection of the tongue and groove is ensured, and the high-strength fireproof insulation board has the advantages of good insulation performance, high strength, fire prevention and the like.

The invention provides an electromagnetic shielding connector structure. The electromagnetic shielding connector structure consists of a male plug and a female plug, wherein each plug mainly comprises an electromagnetic shielding shell, a plug body, a pin, an opening compression ring and a fixing block; each plug body, the corresponding pin and the corresponding opening compression ring are placed in the corresponding electromagnetic shielding shell; each pin is placed in the corresponding plug body; each opening compression ring is placed on the upper end surface of the corresponding plug body; each fixing block is locked on a port of the corresponding shell so that the corresponding plug body is fixed; and connecting ends which are matched with each other are respectively arranged on the male plug and the female plug, so that the pins in the male plug and the female plug can be connected with each other. The electromagnetic shielding connector structure is applied to a frame assembling unit, so that a plurality of pairs of pin circuits are connected to one another. The electromagnetic shielding connector structure is multifunctional; and a quick connection purpose is achieved.

The invention discloses a conveying, shearing and crimping integrated device for a cable end, which relates to cable processing and aims to solve the problems that the orientation of a male joint center conductor cannot be controlled and the assembly is inconvenient. The technical scheme is characterized in that the conveying, shearing and crimping integrated device for the cable end comprises a feeding mechanism, an inserting mechanism, a stamping mechanism, a material belt and a shearing mechanism, and through holes are formed in the material belt at equal intervals in the length direction;the feeding mechanism comprises a male joint material disc, a roll paper material disc and a pushing assembly, and the pushing assembly comprises a straight groove base, a forward moving rail, a forward moving sliding block, a hook piece and a forward pushing air cylinder; the shearing mechanism comprises a shearing mechanism frame, a shearing air cylinder and a shearing pressing die. According tothe conveying, shearing and crimping integrated device for the cable end, the orientation of the male joint center conductor does not need to be detected and adjusted before assembly on the premise that full-automatic assembly of the male joint center conductor is achieved, and the technical effect that the assembly is more convenient is achieved.

A transmission board (10) comprises a frame body (30) and a surface board (20) supported by the frame body (30) and having a transmission circuit. The frame body (30) has plugging edges (33, 34) that project from the edges of the surface board (20) for guiding the terminals of mating connectors to connection pads on the surface board (20). The plugging edges have guiding slopes 33A and 33B, and 34A and 34B. At least the plugging edges of the frame body (30) are made of a metal or resin molding.

The invention discloses a life support system for a large-depth underwater target. The life support system comprises a sonar array, an integrated plug device, an acoustic beacon and an integrated plugsocket which are mounted on the underwater target, and a laying and recycling device, a centralized control device, an emergency air source device and an emergency power supply device which are mounted on a water surface platform, wherein the integrated plug device is respectively connected with the laying and recycling device, the centralized control device, the emergency air source device and the emergency power supply device through a combined umbilical cord; the integrated plug device is connected to an ROV (Remotely-Operated Vehicle). After the underwater acoustic communication is established by using the sonar array and the acoustic beacon to determine the position information of the underwater target, the ROV is controlled to move and rotate by using the centralized control deviceso as to insert the integrated plug device and the integrated plug socket; gas transmission, liquid transmission, electric energy transmission and data transmission are performed with the underwater target through the combined umbilical cord so as to implement state monitoring and material replenishment for the large-depth underwater target.

The invention relates to a seabed submerged floating tunnel structure, and belongs to the technical field of tunnels. The seabed submerged floating tunnel structure comprises a tunnel body, the tunnel body comprises a tunnel main body section, two first tunnel branch sections and two second tunnel branch sections, wherein the two first tunnel branch sections and the two second tunnel branch sections are symmetrically arranged on the two sides of the tunnel main body section correspondingly; the two first tunnel branch sections and the two second tunnel branch sections communicate with the interior of the tunnel main body section; and a bearing mechanism located right below a portal is arranged at one end of the tunnel main body section. The invention further discloses a construction method. The seabed submerged floating tunnel structure and the construction method thereof have the advantages that the structure design is reasonable, in addition, the butt joint mode is simple and effective, tunnel butt joint is realized in a pouring connection mode, the stability of tunnel butt joint is improved, the functions of seabed observation and sealing performance test are added in the construction process, in this way, seabed construction is easy to operate, the accuracy and efficiency of tunnel butt joint are improved, in addition, a very safe construction environment is provided, meanwhile, an escape emergency channel is designed in a whole tunnel, and the overall safety performance of the tunnel is improved.

The invention discloses a full-automatic assembly machine for infusion devices, and belongs to the technical field of medical equipment. According to assembly devices in the prior art, the structure is complex, whether assembled infusion devices are qualified cannot be determined, and assembly of parts of the whole infusion devices cannot be automatically completed. According to the full-automatic assembly machine, a connecting pipe feed mechanism adjacent to the upper part of a conveyer belt mechanism is provided with an insertion-connection detection mechanism used for detecting the insertion-connection length of connecting pipes and catheters in an erecting mode, a pump connecting pipe feed mechanism adjacent to the upper part of the conveyer belt mechanism is provided with an insertion-connection detection mechanism used for detecting the insertion-connection length of infusion device assemblies in an erecting mode, and a female needle base adjacent to the upper part of the conveyer belt mechanism is provided with a communication detection mechanism used for detecting catheters subjected to adhesive binding in an erecting mode. According to the full-automatic assembly machine, the infusion devices can be automatically assembled, whether the infusion devices are qualified can be automatically detected, the automation degree is high, the structure is reasonable, the assembly efficiency can be effectively improved, and the human cost can be reduced.

The invention discloses a fracturing method for controlling the opening of shale near-well fine natural cracks, and belongs to the technical field of oil and gas field development. The method is characterized by comprising the following steps of a, controlling the on-site fracturing displacement to be 9-10m<3> / min in a prepad fluid injection stage at the initial stage of fracturing, and enabling the fracturing displacement to open a reservoir and an artificial crack to extend; b, after prepad fluid is injected, adding 10-15 tons of 100-mesh quartz sand into slickwater to fill the artificial crack and micro cracks; c, increasing the fracturing displacement by 1-2m<3> / min, and continuously adding 10-20 tons of 100-mesh quartz sand; d, increasing the displacement to a designed displacement, and continuously adding more than 10 tons of 100-mesh quartz sand; and e, transferring in 40-70-mesh ceramsite and sand until fracturing construction is finished. The fracturing method \is beneficial to filling and plugging the natural cracks, reducing liquid filtration loss, ensuring the expansion degree of artificial cracks and achieving the purposes of smoothly adding sand and ensuring the expansion volume of the artificial cracks.

The invention belongs to the technical field of waterproof engineering construction and particularly relates to a material filling device for plugging high-pressure underground water, which can realize deeply plugging high-pressure underground water in a deep excavation well, an exploration well and the like. The device mainly comprises an exhaust pipe, a material injecting steel pipe, a materialcontaining bag, fixing buckles, discharge ports, filter sponge, a pressure gauge, a pump truck, a flow meter and a material injecting inner pipe. Specific application procedures are as follows: the water pressure and the well depth are measured; the material injecting steel pipe and the discharge ports are prepared; the material containing bag and the fixing buckles are bound; the material injecting inner pipe is then placed in the injecting steel pipe to spout concrete to the material containing bag until the material containing bag is closely attached to the well wall. The main structure issimple, the design is ingenious, the use is convenient and safe, smooth plugging of the high-pressure underground water can be realized, the application environment is environmentally friendly, and the market has broad prospects.

The invention relates to an electric power insulator manufacturing and forming process which adopts the following insulator forming device that the insulator forming device comprises a bottom plate, a top extension cylinder, a top extension support plate, a butt joint mechanism, a clamping vertical plate and a clamping mechanism; the forming process for manufacturing the electric power insulator by adopting the insulator forming device comprises the following steps: S1, preparing a lining pipe; s2, processing end pipes; s3, locking the lining pipe; and S4, performing butt joint of the end pipes. The problems that when an existing insulator is subjected to plugging forming, the locking stability of a sleeve and the lining pipe is poor, axial displacement occurs when the sleeve and the lining pipe are subjected to plugging, the positions of the sleeve and the lining pipe need to be manually aligned, the precision of manual position adjustment of the sleeve and the lining pipe is poor, the insertion connection between the sleeve and the lining pipe is not smooth, and the like can be solved.

The invention relates to a vehicle support arm hot pressing assembly device. The vehicle support arm hot pressing assembly device comprises an assembly base, a guide arm clamping module arranged on the assembly base and comprising a first base, a first horizontal driving mechanism, a fixed base and a locking mechanism, a torsion rod clamping module arranged on the assembly base and comprising a second base, a second horizontal driving mechanism, a third base, a torsion rod support base and a torsion rod pressing mechanism, and a heating module arranged on the assembly base and comprising a medium-frequency heater, wherein a pair of heating coils corresponding to insertion holes of guide arms clamped on the two first bases is arranged on the side, near the third base, of the medium-frequency heater. The vehicle support arm hot pressing assembly device has the advantages that the synchronous clamping of two guide arms and torsion rods is realized by using cooperation of the guide arm clamping module and the torsion rod clamping module; and the assembly of support arms can be realized only by once machining without needing twice assembly, so that the assembly time is saved, and the working power is improved.

This invention discloses a external socket and pin of sound and image equipment. The connection of it is simple and reliable. The relating socket sets at least one jack, and every jack has two parallel connecting pillars in it, at least the side wall of one jack has the locked groove, the side wall opposite to the jack and the locked groove sets the locating convex bar paralleling with the length direction of the connecting pillar, the port of the locked groove sets the locked convex platform; the relating pin has at least one plug board point, and the end surface of every plug board point has two through holes with two parallel equipping hole at the behind side, the two equipping holes respectively have the spring plug device folded by two metal sheets, the side wall of the end of at least one plug board point has the spring locking button, the locating groove is on the side wall opposite to the plug board point and the spring locked button, the back end of the spring locking button connects to a pressing board.

The invention belongs to the technical field of soil analysis, and relates to a soil air drying box. The soil air drying box comprises an air drying box body and exhaust holes arranged on the air drying box body, mounting grooves are annularly arranged at the side walls of the exhaust holes, mounting disks are fixedly connected in the mounting grooves, the mounting disks are provided with a plurality of seal plates, the sides of adjacent seal plates are rotationally laminated, the seal plates are rotationally and sealingly cover the exhaust holes, circular control panels are rotationally connected in the mounting grooves, the disk surfaces of the control panels are provided with a plurality of arc-shaped necks in the circumference, drive rods are hinged at the disk surfaces of the controlpanels, one ends, back to the control panels, of the drive rods are hinged at the end portions of the seal plates, the sides of the control panels are provided with sawteeth, control gears are rotationally connected in the mounting grooves, and the mounting grooves are internally provided with drive motors rotationally controlling the gears. The soil air drying box can regulate the hole diametersof the exhaust holes according to actual requirements and can timely regulate the gas discharge rate in the air drying unit chamber so as to improve the soil test efficiency.

The invention relates to the field of signal connectors, and especially relates to a mixed connector assembly with RJ45 modules. The mixed connector assembly with RJ45 modules comprises a plug and a socket. The plug comprises a plug casing, and the socket comprises a socket casing. Of the plug casing and the socket casing, a male RJ45 module is fixedly assembled in one casing, and a female RJ45 module corresponding to the male RJ45 module is assembled in the other casing. Signal contact members are fixedly assembled in the plug casing and the socket casing, the signal contact members in the plug casing and the signal contact members in the socket casing correspond to each other, and the signal contact members are disposed at the peripheries of the corresponding RJ45 modules. Therefore, in addition to signal transmission through the RJ45 modules during use, other forms of signals can be transmitted through the signal contact members. Thus, the connector can be used for multiple purposes, and the problem that the existing RJ45 connector only has a single function is solved.

The invention discloses a microorganism seepage-proofing grouting device and method of a lining segment of a river-crossing tunnel. A first conveying pipe and a second conveying pipe are arranged in aperipheral water-rich soil layer of the river-crossing tunnel, wherein one end of the first conveying pipe communicates with a first container, one end of the second conveying pipe communicates witha second container, and the other end of the first conveying pipe and the other end of the second conveying pipe are sealed. A first grouting hole and a second grouting hole are formed in the positions, at least corresponding to the to-be-blocked lining segment area, of the first conveying pipe and the second conveying pipe. In the grouting process, though the water head differences between the interiors of the first container and the second container and river water corresponding to the positions of the river-crossing tunnel, a first mixed solution and a second mixed solution are promoted toflow into the peripheral water-rich soil layer of the river-crossing tunnel through the first grouting hole and the second grouting hole and are slowly annularly diffused and mixed along the peripheryof the river-crossing tunnel, finally microorganism slurry in the first mixed solution and a nutrient solution in the second mixed solution react so as to form a layer of annular biogel reinforcementband wrapping the lining segment from the periphery, and therefore gaps between the lining segments are blocked.

The invention provides an automobile door and belongs to the technical field of automobile parts. The automobile door solves the problem of poor heat dissipating performance of existing automobile doors. The automobile door comprises an automobile door body hinged to an automobile body, and the outer wall of the automobile door body is provided with a groove; a plurality of rotating shafts are axially fixed inside the groove, and the bottom wall of the groove is provided with air holes identical to the rotating shafts in number; the plurality of rotating shafts are fixedly provided with sealing plates respectively; a motor is arranged inside the automobile door body and can drives the plurality of rotating shafts to rotate simultaneously; under the action of the motor, every sealing plate can seal the corresponding air hole, and a sealing structure is arranged between every sealing plate and the corresponding air holes for sealing the connection of the sealing plate and the air holes. The automobile door has the advantages of being high in heat dissipating effects.

The invention discloses a coupler with a waterproof function. The coupler comprises a plug and a socket, the plug is provided with a pin and a driving rod, the socket is provided with a plugging port, a waterproof component, a driving hole and a driving sliding block, when the plug is not plugged into the socket, the waterproof component shields the plugging port, and only when the plug is plugged into the socket, the driving rod penetrates through the driving hole to abut against the driving sliding block, the driving slide block drives the waterproof component to remove the shielding of the plugging port through the guide structure. By adopting the technical scheme, the structural arrangement of an original waterproof rubber mat is canceled, the problem that water enters the socket due to aging and cracking of the waterproof rubber mat is avoided, and according to the transmission fit among the driving rod, the driving sliding block and the waterproof component, it is ensured to open the plugging port when the plug is plugged into the socket and close the plugging port when the plug is separated from the socket, so that the waterproof component with the design does not influence the normal insertion of the pin and can prevent external moisture from flowing into the socket, and the safety and reliability of the coupler in outdoor use are improved.

The invention relates to a glass bottle opening inner plug capping machine. The glass bottle opening inner plug capping machine comprises a stand, a cap sorter, a plug feeding groove, a guide plug falling mechanism, a bottle inspection photoelectric sensor, a bottle shifting guide mechanism, an operation touch screen, a plug pressing mechanism and a bottle conveying belt, wherein the plug feeding groove is arranged between the cap sorter and the guide plug blanking mechanism; the guide plug falling mechanism is arranged above the bottle shifting guide mechanism; the bottle inspection photoelectric sensor is mounted at the bottle inlet end of the bottle shifting guide mechanism; the plug pressing mechanism is arranged on both sides of the bottle conveying belt and positioned behind the bottle shifting guide mechanism; and the cap sorter, the guide plug falling mechanism, the bottle inspection photoelectric sensor, the bottle shifting guide mechanism, the operation touch screen, the plug pressing mechanism and the bottle conveying belt are arranged on the stand. The glass bottle opening inner plug capping machine is reasonable in structural design. Plugs can be sorted, conveyed, fallen and pressed automatically, the plugging efficiency is high, plug pressing is stable, the phenomenon that a bottle opening is crushed is avoided, the whole plugging process does not need manpower, and the plugging quality is stable without influence by human factor.

The invention provides a high-performance bridge reinforcing device for building construction, and relates to the technical field of bridges. Problems that a fixing hoop is only fastened through boltsto achieve a fixing purpose, and auxiliary fixing except for the hoop cannot be achieved by fastening the fixing bolts and other auxiliary structures to achieve the purpose of improving a fixing effect are solved. And the problem that the fastening bolt is easily broken due to an overlarge stress is solved too. The high-performance bridge reinforcing device for building construction comprises a supporting column. A bridge plate is welded to the top end surface of the supporting column. A head end of a shifting seat is in contact with an ejector rod, and the head end of the shifting seat is aninclined structure; and after the fastening bolt is fastened, the ejector rod is in an exposed state under extrusion of the shifting seat, the head end of the ejector rod makes contact with the outerwall of the supporting column, and therefore auxiliary fixing of the fixing seat structure is achieved.

The invention discloses a shutter having snap-in type blade, comprising a side frame, a blade and a blade fixing pad; both ends of the blade are respectively inserted into one blade fixing pad; the blade fixing pad is inserted into the blade installing hole in the side frame; one end of the blade fixing pad inserted into the blade installing hole is provided with an elastic rib; one end of the blade fixing pad inserted into the blade is provided with a close snapping section; and a concaved gap adjusting section is disposed between the elastic rib and the close snapping section. The shutter having snap-in type blade has advantages of simple structure, convenient installation, high installing efficiency, safety and reliability.

The invention belongs to a charging plug device, and provides a charging flexible plug device in order to solve the technical problems that when intelligent equipment is automatically charged at present, a charging butt joint device is small in tolerance and difficult in accurate butt joint, and the charging flexible plug device comprises a plug-in male head, a plug-in female head and a floating mechanism, and the plug-in male head comprises a male head shell installed on a mobile carrier; the male connector comprises a male connector shell and a male connector conductive communication terminal installed on the male connector shell, the plug-in female connector comprises a female connector shell and a female connector conductive communication terminal installed on the female connector shell, the floating mechanism comprises a mounting seat, a longitudinal floating seat and a transverse floating seat, the mounting seat is fixed on the fixed carrier, and the longitudinal floating seat is fixed on the mounting seat. The longitudinal floating seat is connected with the mounting seat through a longitudinal elastic mechanism, the transverse floating seat is connected with the longitudinal floating seat through a transverse elastic mechanism, the female head shell is mounted on the transverse floating seat, and the male head conductive communication terminal is matched with the female head conductive communication terminal.

The present invention provides an aerated concrete block (ALC) based on a viscoelastic fractal tenon-and-mortise structure, comprising an ALC strip and a tenon-and-mortise structure provided on both sides of the strip for connection between the strips, characterized in that: The tenon-and-mortise structure is a fractal tenon-and-mortise structure composed of a fractal tenon and a fractal mortise whose fractal geometry matches the fractal tenon, the fractal tenon is formed on at least a part of one side of the ALC slat for connection, the A fractal mortise is formed on at least a portion of the opposite side of the one side of the ALC plank for connection, and the surface of at least one of the fractal tenon and the fractal mortise is provided with a first viscoelastic material. The ALC realizes the connection of the fractal tenon and tenon structure, and sets viscoelastic material on the fractal tenon and tenon structure, which prevents the loosening and damage of the tenon structure, and can offset the external energy, so that the building constructed of aerated concrete is stable and earthquake resistant, and Through the Yuman sensor, real-time monitoring of the structural health of the building can be achieved.

The invention discloses a ROV-guided connection device and a connection method thereof, relates to the technical field of marine rescue. The bottom of the housing of the connection device is providedwith an integrated connection board. The integrated connection board is provided with a plurality of connectors. The side wall of the housing is equipped with a tension locking mechanism, a bearing seat and a rotary driving device. An umbilical cord passes through the bearing seat to be connected to the connector of the integrated connection board. The housing is also equipped with an ROV storagedevice and an optical cable winch. The ROV storage device is provided therein with an ROV. The ROV is connected to the optical cable winch through a photoelectric composite cable. The bottom of the ROV is provided with a mating hole that matches the center guide post of the integrated connector socket. Channels of a plurality of different media are centrally installed on the integrated connectionboard, and a traditional multiple underwater connection operation is simplified into a single connection operation, thereby improving the efficiency of underwater connection. The umbilical cord is configured to carry out material replenishment and condition monitoring for deep sea equipment to avoid entanglement of various cables under water and reduce the safety risk of underwater connection.

The invention relates to the technical field of mechanical toolings, and discloses a cover plate pre-positioning device and automatic riveting equipment. The cover plate pre-positioning device comprises a bracket, a comb plate assembly and a sliding table assembly, wherein a workbench is arranged on the bracket, and the workbench can place a to-be-installed bottom base plate; the comb plate assembly comprises two or more comb plates, a predetermined distance is set between every two adjacent comb plates, the comb plates are arranged parallelly, and one ends of the comb plates are connected tothe sliding table assembly; and the sliding table assembly is slidably arranged on the bracket, and the sliding table assembly drives the comb plates to be inserted into or withdrawn between tooth pieces arranged on the bottom base plate in an inserted mode. According to the cover plate pre-positioning device, the tooth pieces can be trimmed in batches, the production efficiency is improved, and thus the qualification rate of products is increased.