54results about How to "Smooth retractable" patented technology

The invention relates to a method for designing an anchor base of an unbalanced anchor with large holding power. The method comprises the following steps: (1) confirming the deviation angle of a hawse pipe; (2) confirming the central coordinate point of an outlet at the lower end of the hawse pipe and the included angle between the hawse pipe and a vertical plane; (3) designing an anchor base panel; (4) designing angles related with the anchor base panel; (5) designing an anchor base coaming; (6) designing the internal members of the anchor base; and (7) designing an anchor mouth. According to the method, an anchor can be guaranteed to freely rotate, the requirement of smoothly storing the anchor in various states without locking can be met, the ship purchase cost is reduced at the same time, and the ship anchoring quality is improved.

The invention discloses a retractable charging device which comprises a support, a rotary shaft, a winding reel, a lead screw, a lead screw nut, a lead screw guide rod and a charging line. The rotary shaft and the lead screw are rotationally installed on the support, the rotary shaft is parallel to the lead screw, a power transmission mechanism is further disposed between the rotary shaft and the lead screw, the winding reel is fixed to the rotary shaft, the lead screw guide rod is fixed to the support and parallel to the lead screw, the lead screw nut is screwed on the lead screw and penetrates through the lead screw guide rod in a sliding mode, a wire ring is further arranged on the lead screw nut, the charging line is wound on the winding reel, and the outer end of the charging line penetrates through the wire ring and is connected with a charging plug. By means of the retractable charging device, winding and unwinding are smoother, the charging line can not be twisted, the retractable charging device is very easy to operate, the charging line can be quickly wound and unwound, the situation that residents upstairs work hard to transport storage batteries is avoided, and the problems that the charging line is prone to dampness and aging, and safety hidden hazards are large are solved.

The invention relates to an ocean platform submersible pump winding and unwinding method which comprises a hose winch (1), a combined hose (2), a submersible pump (3), a winch bracket (4), a winch barrel (5), a motor (6), a reduction gearbox (7), a control cabinet (8), a seawater output end (9), a hose guiding device (10), pump body guiding frames (11) and pile washing-out pipelines (12). The method is characterized in that the submersible pump (3) is connected to one end of the combined hose (2); the combined hose (2) is wound onto the winch barrel (5) on the hose winch (4); and the motor (6) and the reduction gearbox (7) are started by the control cabinet (8) to realize synchronous winding and unwinding of the submersible pump (8) and the combined hose (2). The method is simple, safe and reliable, is easy to operate, can meet the using requirement of a platform, has high adaptive capacity to environment, avoids being influenced by platform lifting, alleviates the operation intensity of submersible pump winding and unwinding, saves operation time and manpower and has high economic efficiency.

The invention discloses a novel rotary distributing device, belonging to the field of lime shaft kiln distributing equipment. The novel rotary distributing device comprises a feed hopper, a rotation body, a supporting seat, a driving device, a distributing pipe, a receiving spoon and a winch, wherein the feed hopper is fixed on the rotation body and is vertically connected with the distributing pipe at the lower part, and the rotation body and the driving device are arranged on the supporting seat; the driving device is in meshing transmission with a driven gear on the rotation body through abevel gear, and the receiving spoon is arranged on a fixed shaft under the distributing pipe in a sleeving mode through a shaft sleeve; the supporting seat is fixedly arranged on the distributing pipe; and the winch is arranged on the supporting seat and is connected with the receiving spoon through double steel wire ropes. The novel rotary distributing device uses the winch to control the steel wire ropes to be rewound, thereby realizing the angle of inclination adjustment of the receiving spoon. The operation is convenient. By adopting the double steel wire ropes, the novel rotary distributing device ensures steady rotation and stable blanking of the receiving spoon.

The invention discloses a high-performance folding type wheelchair. The high-performance folding type wheelchair comprises folding brackets, a chair back, handle tubes, a seat cushion, a controller fixed rack, a controller, a rear wheel, a front wheel and a pedal, wherein the two folding brackets are arranged and are symmetrically arranged; the chair back is arranged between the top ends of the folding brackets; handle tubes and the top ends of the folding brackets are arranged one one side of the wheelchair; the seat cushion is arranged in the middle of the folding brackets and is fixedly connected with the folding brackets arranged on the two sides of the wheelchair; the controller is arranged at one end of one of the corresponding folding brackets through a controller fixed support; the rear wheels are fixedly connected with one side of the bottom end of the corresponding folding bracket; the front wheels are fixedly connected with the other side of the bottom end of the corresponding folding bracket through a front wheel connecting structure; and the pedal is arranged between the front wheels and is fixedly connected with the bottom ends of the folding brackets. According to the high-performance folding type wheelchair disclosed by the invention, structural improvement on various components can be realized, so that the complete wheelchair structure is more comfortable to use, is higher in safety, is high in use convenience and is attractive in appearance.

The invention discloses a curtain retractable mechanism, which comprises a casing, the casing is a cavity structure, and the bottom of the casing is provided with an opening, and a group of rotating motors are symmetrically fixed on the inner wall of the top of the casing by screws. , the output shaft of the rotating motor is connected with a rotating gear, and the outer part of the rotating gear is provided with a chain plate, and the side of the chain plate close to the rotating gear is provided with a row of tooth slots, and the tooth slots match the rotating gear, so The chain plate contact sleeve is provided with a connecting piece, the bottom of the connecting piece is provided with a first round hole, and a hook is hung in the first round hole, the bottom of the hook is connected with a curtain, and the inner wall of one side of the housing There is a butt plate fixedly welded on the top. The present invention makes the structure of the curtain retractable mechanism simpler and more stable, facilitates maintenance, greatly reduces the cost, and reduces noise. The design is reasonable and the structure is stable, which meets the needs of people in production and life.

The invention provides a constant-force and constant-speed electric capstan, belongs to the technical field of machinery and solves the problem that a conventional capstan is instable in operation. The constant-force and constant-speed electric capstan comprises an enclosure, a winding drum, a motor, a speed reducer, at least one traction drum and a differential, wherein the winding drum is arranged in the enclosure and used for winding a wire rope; the motor is provided with a motor shaft which penetrates the winding drum, and the winding drum can horizontally move on the motor shaft when the motor rotates; the speed reducer is arranged at the end, far away from the motor, of the winding drum and connected with the motor shaft; one of the traction drums is connected with the speed reducer through a connecting shaft and used for receiving the wire rope output by the winding drum, and the received wire rope is conveyed out of the enclosure; and the differential is arranged in the enclosure and connected with the speed reducer. The constant-force and constant-speed electric capstan has the advantage of being stable in operation.

The invention relates to an aircraft landing gear, which comprises a rotating shaft, an actuating cylinder and a buffer. A piston rod is sleeved in the actuating cylinder, the rotating shaft is provided with a sleeve which is fixedly connected on a fuselage; the top end of the buffer is provided with a first lug plate and the middle part of the buffer is provided with a second lug plate; the rotating shaft is positioned in the first lug plate and is connected with the first lug plate by a pin and the buffer can take rotating motion around the pin; the rotating shaft between the first lug plate and the sleeve is provided with a shaft shoulder which is in inclined state toward one side of the first lug plate; the aircraft landing gear also comprises two cross hinged lug plates; the lug plates on the actuating cylinder are connected with lug plates on the fuselage by the cross hinged lug plates; and a lug plate on the piston rod is connected with the second lug plate on the buffer by thecross hinged lug plate. Due to the adoption of the technical scheme, by movement of the piston rod in the actuating cylinder and control of a locking control device for the rotating shaft, the aircraft landing gear can realize movement of the landing gear in the three-dimensional space and guarantee that the landing gear can move around a bulge on the fuselage to be retracted successfully.

The invention discloses a high-altitude escape backpack and a rope retractable descent control device thereof. The high-altitude escape backpack comprises a fixing frame; a hub rotatably mounted on the fixing frame and used for winding a rope; and a fixing groove formed in the hub and used for fixing the end of the rope. A guide mechanism used for guiding the rope is further arranged on the fixing frame, the guide mechanism comprises a first roller set and a second roller set, and the first roller set and the second roller set are perpendicular to each other; the first roller set is composed of two first guide rollers arranged in parallel; and the second roller set is composed of two second guide rollers which are arranged in parallel, and the second guide rollers for the rope to be wound are rotationally sleeved with shaft sleeves. By arranging the first roller set and the second roller set, the rope is positioned to limit the rope outlet position, the balance of the descent control device is guaranteed, and therefore the safety is improved.

The invention discloses a locking mechanism for unfolding and folding of an undercarriage of an unmanned aerial vehicle. The locking mechanism comprises a cylinder barrel, a piston rod and a power assembly, wherein the piston rod is slidably arranged in the cylinder barrel, the power assembly drives the piston rod to move, a through hole is formed in the piston rod along the axis of the piston rod, one end of the piston rod penetrates out of the cylinder barrel and a guide sleeve is arranged between the piston rod and the cylinder barrel, a rod head is connected to the penetrating end of the piston rod, and a sliding sleeve which is in sliding fit with the inner wall of the cylinder barrel is formed at the other end of the piston rod; and the power assembly comprises a motor and a transmission locking mechanism, wherein the motor provides power, and the transmission locking mechanism ensures that the piston rod is stably telescopic. The whole folding and unfolding process of the structure is smooth, the mechanical connection relation is simple, the connection is reliable, the design is very ingenious, the unlocking of the piston rod can be performed only through the rotation of a nut, the locking mechanism has enough support strength or rigidity, and can bear impact generated when the undercarriage is touched.

The invention provides an anchor chain cabin. The anchor chain cabin comprises a front end wall, a left end wall, a rear end wall and a right end wall which are connected in sequence, and a rectangleis defined by the front end wall, the left end wall, the rear end wall and the right end wall; a groove-shaped bulkhead is fixedly arranged between the front end wall and the rear end wall; a left lower end wall is arranged at the lower end part of the left end wall; a right lower end wall is arranged at the lower end part of the right end wall; the left lower end wall and the right lower end wallare obliquely distributed downwards in the direction close to the groove-shaped bulkhead; the two ends of the left lower end wall are fixedly connected with the front end wall and the rear end wall respectively; the two ends of the right lower end wall are fixedly connected with the front end wall and the rear end wall respectively; reinforcing ribs are fixedly arranged on the front end wall, therear end wall, the left end wall and the right end wall; partition plates are fixedly arranged between the lower left end wall and a hull outer plate and between the lower right end wall and the hullouter plate. On the basis that the requirement for the capacity and the use convenience of the anchor chain cabin are met, the problem that a circular-section anchor chain cabin intersects with the bulkhead and the outer plate by a small angle is effectively solved, and the ship building and construction difficulty is lowered.

The invention discloses a multidirectional synchronous telescopic and vertical lifting composite motion driving device. The composite motion driving device is divided into an upper layer and a lower layer, wherein the upper layer is provided with a conical rope spiral groove rope transmission mechanism and a lifting mechanism, and the lower layer is provided with an Archimedes spiral groove multidirectional synchronous telescopic mechanism. The composite motion driving device is characterized in that rotary motion of a motor is converted into spiral motion and lifting motion; the spiral motion of the upper layer is converted into multidirectional synchronous telescopic motion at the same time at the lower layer; and the upper layer comprises an upper spiral disc and a mechanism above the upper spiral disc, and the lower layer mechanism comprises a lower spiral disc and a mechanism below the lower spiral disc. The composite motion driving device solves the problems that in the prior art, an electric chuck and a butt joint mechanism cannot achieve multidirectional synchronous telescopic and vertical lifting composite motion, an accurate transmission proportional relation of synchronous telescopic and vertical lifting cannot be established, gear transmission is adopted for various chucks, the mechanism is bloated, the weight is great, the transmission efficiency is low, the motion range is limited, and light weight cannot be achieved.

The invention relates to a fully automatic vehicle protective cover for construction machinery, which comprises a support plate, a rope winding mechanism, an inflating mechanism and a cover cloth. A support plate is fix in that middle of the cover cloth, and the cover cloth is provided with a trachea and a pulling rope, and the trachea is connected with an inflating mechanism; The rope winding mechanism includes a first motor, an output shaft of the first motor being connected to a first bevel gear in the first bevel gear set, the first bevel gear being meshed with a second bevel gear and a third bevel gear, and the first bevel gear being also connected to a driving gear through the connecting shaft, the driving gear being meshed with two driven gears; The driving gear is further connectedto a fourth bevel gear in the second bevel gear set through a connecting shaft, the fourth bevel gear meshing with a fifth bevel gear and a sixth bevel gear, respectively; The second bevel gear, thethird bevel gear, the fifth bevel gear and the sixth bevel gear are respectively connected with a cam mechanism, and the cam mechanism is fixedly connected with a coil; Each driven gear is respectively connected with two rotating shafts, and a winding coil is arranged on each rotating shaft.

The invention discloses a charging garage and a take-up control system for the same. The take-up control system comprises a steel wire rope winder, a first motor, a cable winder, a second motor, an actuator, a first encoder and a controller, wherein the steel wire rope winder drives a charging parking space to move by winding and unwinding a steel wire rope; the first motor is used for driving thesteel wire rope winder to work; the cable winder is used for winding and unwinding a power supply cable of the charging parking space; the second motor is used for driving the cable winder to work; the actuator is used for driving the second motor; the first encoder is used for detecting current feedback signals of the first motor; and the controller is used for generating a control signal according to the current feedback signals of the first motor so as to drive the second motor through the actuator, and the steel wire rope winder and the cable winder can synchronously work. The take-up control system can ensure that the power supply cable can synchronously ascend and descend along with the charging parking space, and the power supply cable and the steel wire rope can be synchronously wound and unwound.

The invention discloses a portable barbecue oven. The portable barbecue oven comprises a chassis, an oven body and a locking subassembly. An accommodating cavity is formed in the chassis, and guide rails are arranged in the accommodating cavity. The oven body comprises two barbecue trays which are positioned on the two sides of the guide rails and capable of moving along the height direction of the guide rails. One of the barbecue trays is provided with a first penetrating-connecting hole while the other is provided with a second penetrating-connecting hole, the first penetrating-connecting hole and the second penetrating-connecting hole are superposed and communicated when the two barbecue trays rotate oppositely, and a first limiting portion is arranged at the bottom end of each barbecue tray. The locking subassembly is mounted on the chassis and comprises an elastic component and a clamping needle, the clamping needle is connected on the chassis penetratingly movably and used for butting against the elastic component, and the elastic component is used for providing elastic force allowing the clamping needle to be penetratingly connected into the first penetrating-connecting hole and the second penetrating-connecting hole when the first penetrating-connecting hole and the second penetrating-connecting hole are superposed and communicated. The portable barbecue oven has the advantages that extraction of the oven body, portability and convenience in use are achieved, the oven body is smooth to unfold and fold, and the two barbecue trays are stable in locking structure after the oven body is unfolded.

The invention discloses a counter pen for protecting a refill. The counter pen comprises a supporting platform, the bottom face of the supporting platform is provided with a cylindrical slot, the cylindrical slot is internally provided with an end head, the end head is of a cavity structure and is internally provided with a sliding block, the sliding block can move up and down relative to the endhead, the bottom face of the sliding block is connected with the tail portion of the refill, the end head is connected with a pen holder, the pen holder is internally and fixedly provided with a fixedplate, the refill penetrates through a through hole arranged in the fixed plate, a tension spring is arranged between the fixed plate and the sliding block and applies a downward first tensile forceon the sliding block, and the sliding block is further subjected to a second tensile force in the opposite direction with the first tensile force, and the inner wall of the end head is provided with aposition-limiting device used for fixing the sliding block. According to the counter pen for protecting the refill, when the pen holder is pulled downwards, the refill arranged inside the pen holderwill expose a pen point, when the counter pen is used and after the pen holder is loosened, the first tensile force is less than the second tensile force, the refill will retreat into the pen holder,a refill head is effectively protected, in this way, waste of the refill is avoided, and resources are effectively utilized.

The invention discloses a field operation optical cable splice closure and a using method thereof. The field operation optical cable splice closure comprises a housing and a fixing clamp. The two endsof the housing are connected with ends; after an optical cable is spliced, the fixing clamp is clamped at the splicing position of the optical cable; and the splicing position of the optical cable islocated in the housing. The use method comprises the following steps: S1, enabling one optical cable to pass through a wire hole in one end, and enabling the sheath of the optical cable to be in interference fit with the wire hole; S2, enabling the other optical cable to pass through a wire hole in the other end, and enabling the sheath of the optical cable to be in interference fit with the wirehole; S3, enabling the optical cable in the step S1 or the step S2 to pass through the housing, and enabling the housing to sleeve the optical cable; and S4, connecting the two optical cables, placing the connecting positions of the optical cables in the connecting part of the fixing clamp, and clamping the sawtooth-shaped connecting pieces at the connecting positions. The optical cable splice closure has the advantages of being simple in structure and convenient to operate, and the optical cables can be quickly connected by using the using method provided in the invention.

The invention provides a fireproof rolling shutter door. The fireproof rolling shutter door comprises a guide rail, a shutter body and a winding device; the shutter body is positioned in the guide rail; the winding device comprises a door winding machine and a winding shaft; a driving shaft of the door winding machine drives a rotating shaft of the winding shaft; the winding shaft is fixedly connected with the shutter body; the shutter body comprises a support piece, a first shutter surface, a second shutter surface, a fireproof bar and a bottom beam; the first shutter surface is outwards provided with a first inorganic fiber cotton, first inorganic fiber cloth and first silica gel cloth in sequence from the support piece; the second shutter surface is outwards provided with a second inorganic fiber cotton, second inorganic fiber cloth and second silica gel cloth in sequence from the support piece; the first shutter surface and the second shutter surface are respectively positioned on two sides of the support piece; the fireproof bar is arranged between the support piece and the first shutter surface; the fireproof bar is arranged between the support piece and the second shutter surface; and the bottom beam is connected between the bottom of the first shutter surface and the bottom of the second shutter surface. The fireproof rolling shutter door has the advantages of simple structure, excellent fire resistance, thermal insulation and flame isolation effect and excellent fire resistance.

The invention provides a guide line concentration device applied to a low-speed flutter wind tunnel test protection system. The device comprises a guide line concentrator disposed in a wind tunnel wall preformed hole, wherein the guide line concentrator is provided with a line conduit passing through the wind tunnel wall preformed hole, one end of the line conduit extends to form a horn mouth, the horn mouth rotates around the axis of the line conduit, an outer surface of the wire conduit is provided with an external thread; a through hole is formed in the middle of the locking guide device, the locking guide device is provided with internal threads matched with the external threads of the wire conduit, the side wall of the locking guide device is provided with a plurality of wire through holes which extend in the radial direction and are communicated with the through hole in the middle, and the concentrator is locked and guided to the wind tunnel wall through the locking guide device. According to the guide line concentration device provided by the invention, the cable in the wind tunnel cannot be blocked at the steering and gathering positions, a curved surface of the horn mouth of the guide line concentration device is smooth, the cable cannot be worn, a curved surface at the horn mouth is large in radius, the cable is not easy to roll, and the cable can be taken up and paid off more smoothly.

The invention discloses a charging garage and a taking-up control system for the charging garage. The taking-up control system for the charging garage comprises a steel wire rope winding device, a first motor, a cable winding device, a second motor and a control module, wherein the steel wire rope winding device drives a charging parking space to move by taking-up and paying-off a steel wire rope,the first motor is used for driving the steel wire rope winding device to work, and the cable winding device is used for taking-up and paying-off a power supply cable of the charging parking space; and the second motor is used for driving the cable winding device to work, and the control module is used for controlling the first motor and the second motor to enable the steel wire rope winding device and the cable winding device to work synchronously. According to the taking-up control system for the charging garage, the steel wire rope winding device and the cable winding device can be controlled to work synchronously, it is ensured that the power supply cable conducts synchronous lifting along with the charging parking space, and real-time and synchronous taking-up and paying-off of the power supply cable and the steel wire rope are achieved.

The invention discloses a charging garage and a taking-up control system for the charging garage. The taking-up control system for the charging garage comprises a steel wire rope winding device, a first motor, a cable winding device, a second motor and a control module, wherein the steel wire rope winding device drives a charging parking space to move by taking-up and paying-off a steel wire rope,the first motor is used for driving the steel wire rope winding device to work, and the cable winding device is used for taking-up and paying-off a power supply cable of the charging parking space; and the second motor is used for driving the cable winding device to work, and the control module is used for controlling the first motor and the second motor to enable the steel wire rope winding device and the cable winding device to work synchronously. According to the taking-up control system for the charging garage, the steel wire rope winding device and the cable winding device can be controlled to work synchronously, it is ensured that the power supply cable conducts synchronous lifting along with the charging parking space, and real-time and synchronous taking-up and paying-off of the power supply cable and the steel wire rope are achieved.

The invention discloses a simple-type safety warning tape box and device and relates to the technical field of safety facilities. The simple-type safety warning tape box comprises a first winding drum, a second winding drum and a connecting piece fixedly connected with the first winding drum and the second winding drum in a right-angled intersection mode. A warning tape winding box containing warning tapes is arranged in each winding drum. A rotating shaft is arranged in the middle of each warning tape winding box. An image-pickup device is arranged on the upper portion of the first winding drum and can monitor a warning area in real time and store a video of the warning area. The simple-type safety warning tape box is fixedly connected on the top of a warning rod in an inserted mode to finish fixing of a simple-type safety warning device. A telescopic structure with the height being adjustable is arranged on the lower portion of the warning rod. The simple-type safety warning tape box and device have the advantages that the warning tapes are arranged at the warning area in the right-angled intersection mode; the structure is simple; the warning real-time situation is examined at any time; the warning rod is adjustable in height, convenient for retracting and extending and flexible in operation; and meanwhile space is saved, and the working efficiency is improved.

The invention provides an anti-explosion gill net self-adaptive winding and unwinding system which comprises a vehicle speed detection device, a main controller and a first driving device which are electrically connected in sequence, and further comprises a poking wheel and an anti-explosion gill net. The first driving device is connected with the poking wheel; the poking wheel is in contact withthe anti-explosion gill net; the anti-explosion gill net is of a telescopic cylindrical structure; the head of the anti-explosion gill net is fixed to the front end of a compartment of an anti-explosion gill net vehicle, and the poking wheel is used for driving the anti-explosion gill net to move under the driving of the first driving device so as to achieve winding and unwinding. By arranging thevehicle speed detection device and the main controller, the vehicle speed detection device can obtain the running speed of the anti-explosion gill net vehicle in real time, and the main controller calculates the rotating speed matched with the first driving device based on the speed combined with the radius of the poking wheel, so that self-adaptive control over the poking wheel is achieved, theanti-explosion gill net can be smoothly wound and unwound, and the situations of scattering and jamming are avoided. In addition, the invention further provides an anti-explosion gill net self-adaptive winding and unwinding method.

The invention relates to the technical field of loquat planting, and discloses a loquat seedling planting greenhouse having a good lighting effect. The loquat seedling planting greenhouse includes a greenhouse body, the left end and the right end of the greenhouse body are movably connected with a rotating seat, the inner wall of the rotating seat is movably connected with a rotating shaft, the surface of the rotating shaft is sleeved with two positioning rings, a greenhouse fabric is wound between the two positioning rings, the positioning rings are fixedly connected with a limiting device, and the bottom of the greenhouse fabric is movably connected with a supporting rod. According to the loquat seedling planting greenhouse having the good lighting effect, a second gear disc is driven torotate by rotating a rotating rod, the second gear disc drives a first gear disc to rotate, and the problems that most of a greenhouse fabric of a conventional greenhouse is subjected to manual covering, most of the greenhouse fabric is transparent, and sunburn is caused to seedlings very easily when the light intensity is high; when the greenhouse needs to be subjected to ventilation or light supplementing, it is very difficult to remove the greenhouse fabric, and the re-installation difficulty is high after the removal are solved.

The invention discloses a trawling net for emergency disposal of hairy shrimps in waters adjacent to a nuclear power plant, comprising: a hull, a strut and a trawling net connected to the strut, the strut extends to both sides of the forward direction of the hull, the The struts are movably connected with the hull, and the struts are provided with a number of rollers, and the trawl is retracted through the corresponding rollers; the hull is provided with a winch device, and the trawl and the winch The net device is fixedly connected; the hull is provided with a stretching mechanism, and the stretching mechanism is connected to the free end of the strut through a pull rope. The stretching mechanism includes a cylinder, and the cylinder rotates to the The stay rope is retracted; the winch device and the stretching mechanism are connected through a straight rod, and the winch device and the stretching mechanism rotate synchronously; The invention can automatically control the distribution shape and area of ​​the trawl net through the sonar probe to realize automatic shrimp catching.