77results about How to "Improve retracting efficiency" patented technology

The invention discloses an automatic agricultural spraying machine which comprises a transport unit, a spraying device and a water pipe reeling-unreeling device; the spraying device comprises a spraying base, a column, a spraying support, two pipe arms, two spraying pipes, a flow splitting pipe and a water inlet pipe, wherein the spraying base is installed on the transport unit so as to be carried by the transport unit to travel, the water pipe reeling-unreeling device comprises a reeling-unreeling base, a water pipe reeling-unreeling shaft and a water inlet connector; the water inlet connector is communicated with a water guide chamber of the water pipe reeling-unreeling shaft, the water guide chamber is connected with the other end of a water pipe through a water pipe connector, the water pipe is reeled on the water pipe reeling-unreeling shaft, and the other end of the water pipe is connected with the water inlet pipe of the spraying device. According to the automatic agricultural spraying machine, the transport unit is used for delivering the spraying device, the water pipe reeling-unreeling device is used for automatically controlling reeling and unreeling of the water pipe, and the spraying device is used for automatically controlling the spraying pipes to rotate and sway vertically and laterally, thus the automatic agricultural spraying machine can spray liquid in all directions to crops, and high automation level and a good spraying effect can be achieved.

The invention relates to a rocking arm-type undercarriage, which belongs to the technical field of aviation helicopter and undercarriage. The rocking arm-type undercarriage is characterized by comprising a folding and unfolding mechanism (4) capable of being a linkage mechanism with a folding and unfolding actuator cylinder or the folding and unfolding actuator cylinder; a circular tube joint (5) hinged to an undercarriage body through a fork-form joint; and a buffer (2) having an active telescoping function. The undercarriage can realize bidirectional folding and unfolding. The rocking arm-type undercarriage has the characteristics that 1)through the contraction motion of the buffer having the active telescoping function, a rocking arm is driven for winding around a transverse tube of the circular tube joint to rotate, the undercarriage is upwardly folded; in addition, the circular tube joint and the rocking arm are driven through the motion of the folding and unfolding mechanism for winding around the undercarriage body to rotate, and the undercarriage is inwardly folded, and the folding process and unfolding process are opposite. The rocking arm-type undercarriage can realize a folding and unfolding design of a toe out-shaped large structural size rocking arm type undercarriage in a small folding and unfolding space, structure is compact, requirements for folding and unfolding space are low, folding and unfolding efficiency is high, rotation of the rocking arm at two directions can be realized by a circular tube joint design, and the transverse tube is not required, so that weight is conveniently controlled.

The invention relates to a substrate transfer system used for transferring a substrate positioned at a loading position to an unloading position. The substrate transfer system comprises a first adsorption device, a second adsorption device, a first driving device, a second driving device, a third driving device, a fourth driving device and a controller; and the controller controls the first adsorption device, the second adsorption device, the first driving device, the second driving device, the third driving device and the fourth driving device, so that the first adsorption device and the second adsorption device alternately adsorb the substrate positioned at the loading position, alternately transfer the substrate to the unloading position and lay down the substrate. The invention also relates to a substrate transfer method.

The invention provides a conveyer with a stretchable and retractable conveying arm. The conveyer with the stretchable and retractable conveying arm comprises a hull base, a portal frame, a winch and the stretchable and retractable conveying arm. The conveyer with the stretchable and retractable conveying arm is characterized in that steel wire rope lantern rings are arranged on the two sides of the top end of the portal frame, each lantern ring is connected with steel wire rope lifting points on the two sides of the stretchable and retractable conveying arm through fixing steel wire ropes, the stretchable and retractable conveying arm conducts stretching and retracting through a scissor fork hydraulic stretching and retracting mechanism, scissor fork mechanisms are arranged on the two sides of a scissor fork arm rack, hinge joint of each scissor fork mechanism is achieved through steel plates and shafts, one end of a tail fixing device is connected with the scissor fork arm rack and multi-level hydraulic oil cylinders, and the multi-level hydraulic oil cylinders are assembled in an arm rack frame. The conveyer with the stretchable and retractable conveying arm has the characteristic that the conveying arm can be retracted. Besides, when the conveying arm is stretched and retracted, the influence on the balance performance of a hull is little, the dead load of the conveying arm is small, the stretching distance is long, the transmission efficiency is high, and the space occupied by the conveying arm is small after the conveying arm is retracted; the conveyer with the stretchable and retractable conveying arm is stable in work and high in safety; and the conveying angle of the conveyer can be adjusted, and therefore the conveyer with the stretchable and retractable conveying arm is suitable for sand discharge on different working conditions.

The invention discloses a cable winding and unwinding device, cable winding and unwinding equipment and a cable winding and unwinding method, and relates to the technical field of electric power equipment. The cable winding and unwinding device, the cable winding and unwinding equipment and the cable winding and unwinding method are designed in order to solve the problems that winding and unwinding of a cable is not convenient and operation of an existing hoisting device is complicated. The cable winding and unwinding device comprises a rotary table, a rotary driving device, a winding and unwinding assembly and a supporting device; the rotary table comprises a tray; the tray is connected with a power output shaft of the rotary driving device; a cable coil assembly comprises a cable coil; the cable is wound around the cable coil; the cable winding and unwinding equipment comprises a hoisting device, the cable coil assembly and the cable winding and unwinding device; and the cable winding and unwinding method is used for carrying out hanging transportation and winding and unwinding on the cable by using the cable winding and unwinding equipment. The cable winding and unwinding device, the cable winding and unwinding equipment and the cable winding and unwinding method are used for carrying out hanging transportation and winding and unwinding on the cable.

The invention provides a winding device and a fuelling vehicle. The winding device comprises a winding frame, a guide assembly mounted on the winding frame and a damping device mounted on the guide assembly, wherein the winding frame comprises a central shaft and a baffle plate; the guide assembly comprises a two-way lead screw and a guide element which sleeves the two-way lead screw, and cable-pipe inlet and outlet are formed in the guide element; the damping device comprises a U-shaped damping roller, a spring connected with the U-shaped damping roller and the guide element, respectively, and a locking device for controlling the angle of rotation of the U-shaped damping roller with an end thereof as a rotation point. The damping device, under the control of the locking device, is capable of applying resistance to a cable or a pipe on the winding device according to requirements, so that the cable or the pipe can be tightly wound around a central shaft of the winding device when being reeled, and when the cable or the pipe is unreeled, the cable or the pipe can be quickly unreeled without being affected by the resistance. The winding device is capable of keeping the cable or the pipe wound around the central shaft regular and tidy, and also capable of guaranteeing quick unreeling of the cable or the pipe.

The present invention belongs to the technical field of electric power operation and maintenance devices, and provides a transformer substation intelligent safety fence. The fence comprises a rack, two correspondingly arranged installation racks are fixedly installed in the rack, the rack is internally provided with two scissor-type flexible fences, on ends of the scissor-type flexible fences arerespectively installed on the installation racks, the top portions of one ends of the scissor-type flexible fences are hinged with the installation racks, the bottom portions of one ends of the scissor-type flexible fences are slidingly arranged on the installation racks, a connection rod driven by a drive device is connected between the bottom portions of one ends of the scissor-type flexible fences, and under the action of the drive device, the connection rod performs reciprocating silding in a vertical direction. The fence development and folding and unfolding efficiency are greatly improved, the usage is convenient and flexible, the operation of fence mounting and dismounting are simple and convenient, time and labor are saved, the safety fence arrangement work of a transformer substation with a large field area is convenient and efficient, the operators' labor intensity is greatly reduced, and the practicability is high.

The invention discloses a PCB automatic collecting and placing machine and a working method thereof. The machine comprises a mounting seat, supporting frames, rolling and conveying discs, a collectingand placing cabinet, a rotary disc, an air blowing frame, a transverse rail rod, a longitudinal rail rod and a grabbing and placing seat, wherein the supporting frames are arranged at the two ends ofthe mounting seat, and the rolling and conveying discs are horizontally arranged above the two supporting frames. The machine has the beneficial effects that a plurality of air blowing cylinders on the air blowing frame synchronously blow hot air to a board body, so that the drying performance of a PCB is guaranteed when the PCB is collected and placed, dust and impurities on the PCB are blown away, so that the tidiness of the PCB when the PCB is collected and placed is guaranteed, then a hydraulic pump II on the collecting and placing cabinet drives a rotary disc to move downwards into a receiving bucket through a hydraulic rod, after a mechanical arm clamps the PCB through clamping jaws, the hydraulic rod drives the rotary disc to rise, a third rolling wheel drives the mechanical arm toextend out of a movable groove, and place the PCB into a loading groove of a loading frame, so that the automatic collecting and placing of the PCB can be completed, the operation of the collecting and placing machine is more time-saving and labor-saving, and the work is more efficient.

The invention discloses a water pipe retractable device, which comprises: a base; a water pipe retractable shaft, which is erected on the base and driven to rotate by a retractable driving mechanism; The water chamber is provided with a water pipe joint connected to one end of the water pipe; the water inlet joint, the end of the water pipe retracting shaft provided with the water guide chamber is connected to the water inlet joint in a rotatable manner; and the swing pipe device includes: a bracket, which erected on the base; the swing tube guide rail, which is erected on the bracket; the sliding seat, which is arranged on the swing tube guide rail and driven by a swing tube driving mechanism to slide; and two guide rollers, the two guide rollers are erected in parallel on the sliding seat. The invention can automatically realize the retracting and unwinding of the water pipe, and the pipe swing device can make the water pipe neatly rolled up on the water pipe retracting shaft or neatly released in layers, so as to effectively improve the retracting efficiency of the water pipe and reduce the labor of workers. strength.

The invention relates to a hanging type small boat retracting and releasing device and method. The device comprises a suspension walking mechanism, a capturing mechanism, a steel cable winding and unwinding mechanism and recycling guide mechanisms, the suspension walking mechanism comprises a suspension arm, a crane and a walking drive, the suspension arm is fixed to the side of a mother ship, andthe walking drive drives the crane to walk along the suspension arm; the capturing mechanism comprises a bracket, a capturing rod and a capturing head, the bracket is a U-shaped frame body, the capturing rod is fixed to the inner side of the head of the bracket, and the capturing head is fixed to the outer side of the bow of a small boat and corresponds to the capturing rod; the steel cable winding and unwinding mechanism comprises a winding and unwinding winch, winding and unwinding pulley blocks and winding and unwinding steel cables, the winding and unwinding pulley blocks are multiple fixed pulleys and are installed on the crane corresponding to the lifting points of the bracket respectively, and the tail ends of a number of winding and unwinding steel cables bypass a number of fixedpulleys respectively; and the recycling guide mechanisms are radio receiving and releasing equipment, are respectively arranged at the height point of the small boat and the tail end of the suspensionarm and are used for signal interaction. Automatic releasing and retracting of the small boat are achieved, and the small boat is prevented from rotating and swinging.

The invention discloses a tractor-trailer type traffic cone taking-away and putting vehicle, and mainly relates to the field of traffic cone taking-away and putting devices. The tractor-trailer type traffic cone taking-away and putting vehicle comprises a tractor-trailer vehicle rack, a display early warning device, a lifting device, a reloading delivery device, a traffic cone placing device and a controller, the lifting device comprises a lifting support, a traffic cone lifting motor, a traffic cone lifting screw, a traffic cone lifting veering motor, a traffic cone picking plate and a traffic cone picking rod, the reloading delivery device comprises a reloading delivery support, a reloading delivery motor, a traffic cone reloading delivery screw and a reloading delivery slide block, the traffic cone placing device comprises a traffic cone placing motor, a traffic cone placing friction roller and a position sensor, and the controller is connected with a push-over motor, the traffic cone lifting motor, the traffic cone veering motor, the reloading delivery motor and the traffic cone placing motor through leads. The tractor-trailer type traffic cone taking-away and putting vehicle has the advantages that traffic cone pavement taking-away and putting work can be automatically conducted, the tractor-trailer type traffic cone taking-away and putting vehicle is simple in structure and convenient to operate, and the taking-away and putting efficiency of traffic cones is drastically improved.

The invention relates to the field of robots, in particular to a negative pressure type cascaded underwater wall-climbing robot. The negative pressure type cascaded underwater wall-climbing robot comprises a structural body, a driving assembly, an eddy current sucker, an instrument carrying interface, an underwater control system, mooring ropes, a water surface control system and a detection instrument; the driving assembly, the eddy current sucker, the instrument carrying interface and the underwater control system are arranged on the structural body; the driving assembly, the eddy current sucker and the instrument carrying interface are correspondingly connected with the underwater control system; the structural body, the instrument carrying interface and the underwater control system are connected with the water surface control system through mooring ropes; and the instrument carrying interface is connected with the detection instrument. According to the negative pressure type cascaded underwater wall-climbing robot, the structure is stable; the negative pressure type cascaded underwater wall-climbing robot is safe and reliable; the robot can be stably adsorbed to the surface ofa building body underwater by using eddy current negative pressure and can freely move on the surface of the building body by using the driving assembly; and therefore, stable observation is realized.

The invention relates to an unmanned ship detecting sonar automatic withdrawing and placing device. The device comprises a mounting base module, an overturning module provided with a rack capable of linearly moving and capable of realizing overall overturning by 180 degrees, and a rotating module provided with an oil cylinder capable of extending and capable of realizing 90-degree rotation of a front arm; and one end of the overturning module is connected with the mounting base module, and the other end of the overturning module is connected with the rotating module. The device achieves the technical aims of automatic placement and withdrawal of unmanned ship detecting sonar, and realizes the installation and detecting operations of the sonar on unmanned ships. The withdrawing and placingdevice can improve the adaptability of the detecting sonar and the automatic withdrawing and placing convenience, can improve the detecting efficiency after use, and fills in the blank of the technology at home and abroad.

The invention discloses a transportation device for physical education instruments, relating to the technical field of physical education. The transportation device comprises a large-sized ball placement tank, a racket placement tank and a small-sized ball placement tank, wherein universal wheels are arranged at the bottoms of the three placement tanks, and the three placement tanks are detachablyconnected; the large-sized ball placement tank comprises a first tank body and a plurality of ball body channels, ball body inlets and ball body outlets are formed in two sides of the first tank body, and a cover plate is arranged at each ball body outlet; the racket placement tank comprises a second tank body, a lifting mechanism, a supporting box and a lifting mechanism controller are arrangedin the second tank body, the lifting mechanism is mounted at the bottom of the second tank body, the supporting box is mounted at the upper end of the lifting mechanism, and a plurality of adjustableracket sleeves are arranged in the supporting box; and the small-sized ball placement tank comprises a third tank body, and a plurality of small-sized ball placement cylinders are arranged in the third tank body. The transportation device can be used for conveniently and simultaneously placing different types of physical instruments in different sites, so that the placing efficiency is improved; and different types of rackets can be conveniently placed.

The invention discloses a retractable CT (Computerized Tomography) measuring rod and a measuring method thereof. The measuring rod comprises an outer rod body, a middle rod body and an inner rod body;a motor is fixed on a bottom surface at the interior of the outer rod body; a bevel gear I is fixed on an end part of an output shaft of the motor; the bevel gear I is meshed with a bevel gear II; the bevel gear II is fixedly sleeved on a middle end of a rotating shaft; both ends of the rotating shaft are rotatably connected with a bearing seat I; the bearing seat I is fixed on an inner wall of the outer rod body; a bevel gear III is fixed on an end part of the rotating shaft; the bevel gear III is meshed with a bevel gear IV; the bevel gear IV is fixedly sleeved on a bottom end of a lead screw; two ends of the lead screw are respectively and rotatably disposed on a bearing seat II; and the bearing seat II is further fixed on the inner wall of the outer rod body. According to the retractable CT (Computerized Tomography) measuring rod and the measuring method thereof disclosed by the invention, by disposing the lead screw, a lead screw sleeve, a guide rail, a roller, a pulley I, a pulley II, a pothook and a steel wire rope, the problems that the rods are easy to incline and low in retraction efficiency when the conventional CT measuring rods are spliced are solved.

Provided is a road cone put-away and release device of an automatic traffic cone put-away and release trolley. A rear vertical connecting pipe is arranged at the rear end of the left side of a put-away and release rack supporting frame, a rear straightening pipe is arranged at the bottom end of the rear vertical connecting pipe, a rear straightening transition pipe is arranged at the tail end of the rear straightening pipe, a rear correcting pipe is arranged at the tail end of the rear straightening transition pipe, a storage pipe is arranged at the tail end of the rear correcting pipe, a shifting and correcting base is arranged on the outer side of the rear correcting pipe, a shifting and correcting rod is arranged on the shifting and correcting base, a connecting plate is arranged between the rear storage pipe and the put-away and release rack supporting frame as well as between a front storage pipe and the put-away and release rack supporting frame, a front vertical connecting pipe, a front straightening pipe, a front correcting pipe and the front storage pipe symmetrical with the rear vertical connecting pipe, the rear straightening pipe, the rear correcting pipe and the rear storage pipe about the central plane in the length direction are arranged at the front end of the left side of the put-away and release rack supporting frame and the bottom of the put-away and release rack supporting frame, and a through groove a is machined in a reinforcing plate in the middle of the side face of the put-away and release rack supporting frame. Through the device, traffic cones inverted on a road surface can be straightened to stand on the road surface, and the traffic cones on the road surface can be pushed to a mechanical arm to be put back to the automatic traffic cone put-away and release trolley.

The invention relates to a sectional rolling curtain type internal heat preservation device for solar greenhouse.The sectional rolling curtain type internal heat preservation device includes a motor Iand a motor II.When a curtain is unrolled, the motor I drives a rope-coilling shaft to rotate through the transmission of a motor main belt I; a traction rope is twined on the rope-coiling shaft; thetraction rope pulls a heat preservation quilt II and a heat preservation quilt III twined on an upper scroll so that the heat preservation quilt II and the heat preservation quilt III spread; the spreading of the heat preservation quilt II and the heat preservation quilt III spread drives the upper scroll to rotate; the rotation of the rope-coilling shaft and the upper scroll are driven through aside main belt, and a side scroll I and a side scroll II are respectively driven to rotate; a heat preservation quilt I and a heat preservation quilt IV twined on the side scroll I and the side scroll II are gradually spread; when the heat preservation quilt I, the heat preservation quilt II, the heat preservation quilt III and the heat preservation quilt IV are completely spread, the curtain isunrolled; when the curtain is unrolled, the motor II is started and the motor I is turned off.The device provided by the invention has the advantages of reducing influence of external factors such asthe environment, reducing the load of an active shaft of traditional internal heat preservation quilts through dividing a heat preservation quilt into four parts, improving retracting and releasing efficiency, being good in transmitting capability of a power device and realizing synchronous transmission.

The embodiment of the invention discloses an ultrahigh pressure transmission line broken strand stroke-back device and a using method thereof. The ultrahigh pressure transmission line broken strand stroke-back device comprises a base, a cohesion device, a support outer ring, a rotating inner ring and a guide closed plug, wherein the base is fixedly provided with a lead screw, the cohesion device is movably connected on the lead screw, the support outer ring is fixed on the tail end of the cohesion device, the rotating inner ring is fixed in the support outer ring, and the guide closed plug and the rotating inner ring are movably connected. The base is connected with a power driving unit, and is used to achieve to drive the lead screw, thereby driving the cohesion device to move. The cohesion device drives the support outer ring to move, the rotating inner ring is driven through the support outer ring to walk along a ground wire, a stroke wire top column which is arranged in the rotating inner ring spirally moves, broken wires are stroked back, and the whole stroke back process of wires can complete in short time, and is simple in operation, thereby improving stroke back efficiency of transmission lines.

The invention discloses a cable reeling device. The cable reeling device comprises a fixing mechanism, a wire spool disposed on the fixing mechanism, and a cable reeled on the wire spool orderly along one direction. The fixing mechanism comprises a bottom plate, two supporting plates, and a spring winding device. The wire spool is disposed between the two supporting plates, and the central position of the wire spool is provided with an inner shaft, which penetrates the two ends of the wire spool. The wire spool is disposed on the spring winding device in a sleeved manner, and the inner shaft passes through the spring winding device, and the inner side is provided with a rotating joint, and in addition, the inner end of the cable is electrically connected with one end of the rotating joint. The invention also provides an elevating antenna system provided with the cable reeling device. The function of the automatic folding and unfolding of the cable is realized, and therefore operation is simple, and the folding and unfolding efficiency is high.

The invention relates to the technical field of automobile transportation and particularly relates to a folding cover plate of a pickup truck container. The folding cover plate comprises a folding plate and a driving assembly, wherein the folding plate comprises a plurality of folding battens and a plurality of connecting battens, the driving assembly comprises a driving motor, a lead screw and atelescopic mechanism, all the connecting battens are fixed on the telescopic mechanism, an output end of the driving motor is in transmission fit with a speed reducer, a screw rod is fixed on an output shaft of the speed reducer, and the telescopic mechanism is in transmission fit with the screw rod through a threaded connection seat. The folding cover plate is advantaged in that automatic foldingand unfolding of the folding cover plate can be realized, steps of binding and unbinding the cover plate in the loading and unloading process are reduced, cargo loading and unloading efficiency is improved, the unnecessary labor force is reduced, the foldable cover plate is folded and unfolded, the occupied area of the cover plate is reduced, convenience is brought to workers, and the telescopicmechanism can improve folding and unfolding efficiency of the foldable cover plate and improve use efficiency of the foldable cover plate.

The invention relates to a vehicle-mounted type cable take-up and pay-off mechanism and a take-up and pay-off cable car, and belongs to the field of power dedicated cars. The vehicle-mounted type cable take-up and pay-off mechanism comprises a support, and two cable take-up and pay-off devices symmetrically arranged on the two sides of the rack; the two cable take-up and pay-off devices are the same in structure, each cable take-up and pay-off device comprises a cable reel mechanism, a lifting mechanism, a horizontal motion mechanism and a guide mechanism, and the lifting mechanisms, the horizontal motion mechanisms and the guide mechanisms are located above the cable reel mechanisms; each cable reel mechanism comprises a rotating shaft supporting base, a rotating shaft, multiple wheel disc sets and a reel driving mechanism, the lifting mechanisms are arranged on the support for lifting the cable reel sets, and the horizontal motion mechanisms are arranged on the support and can drivethe cable reel sets to move in the horizontal direction. The vehicle-mounted type cable take-up and pay-off mechanism is simple in structure, small in size, capable of achieving miniaturization of thetake-up and pay-off cable car through the mechanism, and beneficial to work under the complex site condition.

The invention relates to the field of road traffic management, and provides an automatic retractable equipment for traffic cones, which mainly comprises a suspension device and a retractable device, wherein the suspension device comprises a first fixed rod and a second fixed rod, wherein a supporting rod is fixed on the second fixed rod, and the retractable device comprises a base, a first rotating shaft, a second rotating shaft, a sprocket, a drive sprocket, a chain, a motor, a sprocket cover, a sliding board, shaft seats, rolling pull rods, a retaining arm structure and a positioning device; one end of the base is obliquely hung on the first fixed rod, and the bottom of the first fixed rod is fixedly connected with the supporting rod; the first rotating shaft and the second rotating shaft are erected at the two ends of the base through the shaft seats, and the two ends of the first rotating shaft and the second rotating shaft are respectively provided with sprockets; the sprockets arranged at the same end are connected by a chain, and the plurality of rolling pull rods are arranged between the two chains in parallel; and the sliding board is connected with the sprocket cover through hinges. The equipment has the function of automatically retracting the traffic cones, simple structure, convenient operation and high performance-price ratio.

The invention relates to a road administration road engineering facility, in particular to an automatic arranging and retrieving vehicle for foldable cones. The automatic arranging and retrieving vehicle comprises a vehicle body (1), a foldable-cone three-dimensional warehouse (10), foldable-traffic-cone arranging and retrieving mechanisms (6) and a foldable-cone tension and compression mechanismand is characterized in that the foldable-cone three-dimensional warehouse (10) is arranged in the middle of the vehicle body (1), the middle of the foldable-cone three-dimensional warehouse (10) is provided with a conveying belt (9), supports (3) are arranged at the bottoms of two ends of the conveying belt (9) in a matched manner, the foldable-traffic-cone arranging and retrieving mechanisms (6)are respectively arranged on two sides of the vehicle body (1) through the supports (3) and located at two ends of the conveying belt (9), slide rails (18) are symmetrically arranged on two sides ofthe top of the foldable-cone three-dimensional warehouse (10), and the foldable-cone tension and compression mechanism is arranged at the top of the vehicle body (1) through the slide rails (18) in amatched manner. By the automatic arranging and retrieving vehicle, the arranging and retrieving efficiency of foldable traffic cones is increased, and energy conservation and safety are achieved.

The invention discloses an underwater equipment deploying and retracting device, a laying method and a recycling method based on an ROV, which is used for achieving butt joint and locking of underwater equipment and an operation type remote operated vehicle (ROV) body and completing deploying and retracting of the underwater equipment by controlling the ROV. The device comprises an ROV end connecting component and an equipment end connecting component, wherein the ROV end connecting component is connected with the ROV body, and the equipment end connecting component is connected with the underwater equipment; when the device is used for laying the underwater equipment, the ROV end connecting component and the equipment end connecting component are in butt joint and locked on a deck to forma combined body, the combined body is laid to a seabed mounting point by laying the ROV body, and the laying of the underwater equipment is completed by unlocking the device; when the device is usedfor recycling the underwater equipment, the ROV end connecting component and the equipment end connecting component are in butt joint and locked at the seabed to form a combined body, the combined body is recycled to the deck by recycling the ROV body, and the underwater equipment is recycling by unlocking the device.

The invention discloses a shipborne boat swing rod type catching and releasing device, a shipborne boat and a mother boat. The catching hook assembly is simple and compact in structure; a capturing hook can be installed on a stem or a bow deck of the shipborne boat through a capturing hook fixing base. Arrangement of various functional devices on the shipborne boat is not affected, a number of arresting ropes are arranged on a catching net at intervals, the catching hook assembly can match any two adjacent arresting ropes on the catching net, the catching net does not need to be specially required to have the corresponding height and structural support, and wide installation and application range and high universality of the catching net are further reflected. Through cooperation of the rigid catching hook assembly and the flexible catching net, flexible collision is achieved, a large error-tolerant rate can be achieved by arranging a plurality of loose arresting ropes, and effective catching of the shipborne boat is ensured; by means of the structure, continuous folding and unfolding of multiple boats can be achieved, and the folding and unfolding efficiency is high.

The invention relates to the technical field of rail transit, and discloses a crossing plate for rail transit, which comprises a shielding window; a shielding door is arranged on the back of the shielding window; a vehicle door is arranged on the back of the shielding door; a rotating column is rotationally connected to the side wall of the shielding window; the crossing plate is connected to the outer side of the rotating column in a sleeving mode; a first limiting groove is formed in the surface of the crossing plate; a pedal is connected into the first limiting groove in a sliding mode, and buffering pads are arranged in gaps of the shielding door and the vehicle door. A conductive sliding block makes contact with a conductive piece by opening the vehicle shielding door, then a crossing plate automatic placement driving device is controlled to start to work, the effect of placing the crossing plate is achieved, and the effect that passengers can get on board quickly and conveniently in need is achieved, and meanwhile, through a touch switch arranged at the bottom of a pedal arranged in the crossing plate, when the passengers exist at the upper end of the pedal, reverse rotation of the driving device is blocked, so that the crossing plate cannot be lifted up to prevent the shielding door from being closed, and the problem of clamping injury caused by the fact that passengers are not boarding is solved.

The invention discloses a novel traffic cone and a collecting and placing system thereof. The novel traffic cone comprises a traffic cone body which is internally hollow, and light reflecting materialbelts, wherein the edge of the upper end part of the traffic cone body is provided with cone edges; the lower end of the traffic cone body is hemispheric and is in contact with the ground; a balanceweight body is arranged in the lower end of the traffic cone body; the traffic cone body above the balance weight body is provided with drain holes, wherein the diameter of the upper end of the traffic cone body is greater than the diameter of the lower end; and the light reflecting material belts are arranged on the outer wall of the traffic cone body at equal intervals. The collecting and placing system for the novel traffic cone fully utilizes a tumbler property of the novel traffic cone, so that the overall structure of the system is simple, the complexity of the collecting and placing system for the traffic cone is lowered, and collecting and placing efficiency can be improved.

The invention relates to the technical field of winding and unwinding of communication cables, in particular to a cable winding and unwinding device provided with a lifting structure and applied to communication engineering. The cable winding and unwinding device comprises a winding and unwinding device main body; the winding and unwinding device main body comprises a main connecting base; a transmission rod is connected to the surface of one end of the main connecting base; a servo motor is connected to the surface of one end of the transmission rod; a transmission belt is wound on the outersurface of the servo motor; a transmission mechanism is connected to the surface of one side of the transmission belt; a first supporting rod is fixedly connected to the surface of one side of the main connecting base; an outer supporting column is fixedly connected to the first supporting rod accordingly; a wiring harness guide mechanism is connected inside the outer supporting column; the innerwall of the main connecting base is connected with a cable storage mechanism; and the transmission mechanism comprises a first belt pulley, a first gear, a pull sleeve and a second gear. According tothe cable winding and unwinding device provided by the invention, by arranging the transmission mechanism, the winding and unwinding efficiency of a cable main body can be effectively improved, and byarranging the wire harness guide mechanism, the cable main body can be conveniently lifted by the device during winding and unwinding.