38results about How to "Flexible and convenient rotation" patented technology

The invention discloses an arc glass edge grinding machine. The arc glass edge grinding machine comprises a box body, positioning suction cups and a grinding mechanism. The positioning suction cups are connected with the box body through a first cantilever. The other end of the first cantilever is connected with a second cantilever in a rotating manner. The end of the second cantilever is connected with a grinding mechanism. The grinding mechanism comprises an arc-shaped supporting frame, a fixed box, a positioning buckle plate and a first motor. The top end of the arc-shaped supporting frame is connected with the fixed box. The positioning buckle plate is arranged on the side face of the fixed box. The first motor is limited by the positioning buckle plate. A second motor, a hydraulic oil tank and a draught fan are arranged in the box body. An air inlet pipe and an air outlet pipe are arranged on the draught fan. The arc glass edge grinding machine is simple in structure and high in practicability, can conduct edge grinding on arc-shaped edges of conventional glass and can conduct arc edge grinding on glass of different sizes as well, the stability of glass during edge grinding is improved, glass uniformly bears force, the service life of the edge grinding machine is prolonged, and economic benefits are remarkable.

The invention provides a method for rapid location and photographing through a voice instruction and a photographing system. The method comprises the steps of obtaining voice information by a robot, processing the voice information, identifying feature information, and extracting the feature information; judging whether the feature information is selfie information or not, judging that a voice production location is a photographing body if the feature information is the selfie information, identifying a location of the photographing body, otherwise, rotating a camera through a rotation device according to the feature information, thereby enabling the camera to photograph a group of reference pictures in a space of 360 degrees, or 180 degrees or 90 degrees; and photographing the picture of the photographing body. Through application of the method for rapid location and photographing through the voice instruction and the photographing system, the photographing body can be identified rapidly through the voice instruction, and the optimal photographing location can be adjusted.

The invention provides a fixing part connected with a photo frame backboard. The fixing part comprises a rotating portion and a fixed portion connected with a photo frame, one end of the rotating portion is connected with the fixed portion, the other end of the rotating portion is connected with a fixing substrate for fixing the photo frame, and a concave rotating surface and a convex rotating surface are connected in an embedded manner to form the rotating portion. The invention further provides a method for manufacturing the fixing part connected with the photo frame backboard. The fixing part is simple and reasonable in structure, high in mechanization degree, convenient to use, fine in mounting consistency and high in production efficiency, and can be effectively and firmly connected and can flexibly rotate.

The invention discloses sand blasting equipment for a large-length-to-diameter-ratio rotating pipe target material. The sand blasting equipment comprises an I-shaped support and a foot support, wherein the I-shaped support comprises an upper pipe target fixing cover and a lower pipe target fixing cover, the middle of the rotating pipe target material is sleeved with a rubber jacket, the left sideand the right side of the upper pipe target fixing cover and the left side and the right side of the lower pipe target fixing cover each are provided with two positioning discs, the lower pipe targetfixing cover and the positioning discs are integrally designed, the movement of the positioning discs drives the movement of the lower pipe target fixing cover, so that the free rotation of the rotating pipe target material in the vertical direction is realized, the two ends of the rotating pipe target material each are provided with two sand blasting baffles, the sand blasting baffles located onthe end faces of the rotating pipe target material are provided with lifting lugs, and the foot support achieves lifting and carrying of the rotating pipe target material through cooperation of lifting ropes and the lifting lugs. According to the sand blasting equipment, the I-shaped support and the foot support are combined for pipe target sand blasting so that the pipe target material can freelyrotate in the vertical direction, accurate sand blasting is achieved, and the problems that large-length-to-diameter-ratio pipe target sand blasting occupied space is large, the sand blasting angle is limited and the like are solved.

The invention discloses a telescopic steel reinforcement cage, compression equipment thereof and a method for constructing a cast-in-situ bored pile. The telescopic steel reinforcement cage compriseslongitudinal ribs and annular stirrups; the longitudinal ribs are connected with the annular stirrups through connecting fasteners; each connecting fastener comprises an inner jacket which is fixed toa single longitudinal rib, an outer jacket which is fixed to a single stirrup and a rivet which is rotatably connected with the inner jacket and the outer jacket; the connecting fastener on each stirrup and the connecting fastener of the stirrup on the adjacent layer are arranged in a staggered manner; the compression equipment comprises a pressing head which is used for pressing one end of the steel reinforcement cage down, a middle guide rod and a base; the guide rod is fixed to the base; the pressing head is in sliding fit with the guide rod; a turntable which is driven by a motor and is used for rotating the other end of the steel reinforcement cage is arranged in the base. The key points of the method are that the steel reinforcement cage is placed into a formed hole and then is rebounded to stretch. The telescopic steel reinforcement cage, the compression equipment and the method are high in construction efficiency and high in speed in a construction site.

The invention relates to a reversible operating mechanism for an isolating switch. The reversible operating mechanism comprises a box, a manual transmission unit installed in the box, a mechanical transmission unit installed in the box, and a reversing unit installed at the upper end of the box. The reversing unit comprises a base. A round through hole is formed in the middle of the base. A crankshaft is installed in the round through hole and comprises a cylindrical embedding section located at the lower end, and an L-shaped connecting section located at the upper end. The embedding section is embedded into the round through hole in the base, the bottom end of the embedding section is connected with a transmission connecting rod through a key, and a universal joint is connected to the upper end of the connecting section. The outer end of the universal joint is sleeved with a rotating frame. The universal joint and the rotating frame are fixedly connected through a hinge pin. The rotating frame is connected with a transmission shaft of the isolating switch. The reversible operating mechanism has the advantages that by means of the reversible property of the mechanism, the installing modes of the isolating switch are diversified, and multiple shaft outputting and installing modes such as shaft outputting from the upper portion, shaft outputting from the left side and shaft outputting from the right side of the operating mechanism are achieved.

The invention discloses an electromagnetic ball valve with a positioning function. The electromagnetic ball valve comprises a ball valve body, wherein a connecting pipe is fixedly arranged on the outer side of the ball valve body, and an electromagnetic cavity is connected to the top of the ball valve body; and a positioning mechanism is arranged inside the ball valve body, and a fixing shaft is arranged inside the positioning mechanism. According to the electromagnetic ball valve with the positioning function, under the action of the positioning mechanism, an electromagnetic block is electrified to release magnetism, a fixed magnetic block is attracted by magnetism to move towards the electromagnetic block, and therefore a rotating rod slides inside the electromagnetic cavity through a first sliding block and a first sliding groove; under the action of a fixed top block, the rotating rod drives a ball valve rod to rotate; and therefore a ball can adjust internal circulation amount of the ball valve body through a through groove; and by means of the arrangement, a user can control the internal circulation amount of the ball valve through the electromagnetic block, and the situation that a coil is arranged inside the electromagnetic cavity is avoided; and the structure is simple, operation is convenient, later maintenance and service is convenient, and the service life of the electromagnetic ball valve is prolonged.

The invention discloses an illuminant capable of changing an illuminating mode. The illuminant comprises a lampshade and a handle. The tops of front and back sides of the handle are fixedly connectedto the bottoms of front and back sides of the lampshade, the bottom of the lampshade is arranged out of the top of the handle in a sleeving manner, a rotating gear ring is rotatably connected betweenthe bottom of the lampshade and the top of the handle, and an adjusting sleeve is fixedly connected to the top of the rotating gear ring. The invention relates to the technical field of illuminating facilities. According to the illuminant capable of changing the illuminating mode, the adjusting sleeve is controlled to rotate by using the rotating gear ring by arranging transparent and red glass sheets in through holes separately, so that through holes in different rows are overlapped with illuminating holes and the colors of the emitted rays can be changed. By matching a rotary separation blade with a hollowed switching sleeve, the rotary separation blade can be pushed to rotate. After an arc-shaped straight slot is exposed, the rays emitted from the upper side to illuminate. The illuminating modes can be switched by means of a simple operation, so that the illuminant meets different using demands and is convenient to use.

The invention provides a central pivot type draggable water-saving jet-irrigating machine. The draggable water-saving jet-irrigating machine comprises an electronic control cabinet, a jet-irrigating machine central tower seat, a rotating elbow, a collecting ring, water delivery main pipes and a nozzle, wherein a plurality of water delivery main pipes are connected through flexible pipe connecting ends, the water delivery main pipes can rotate around the jet-irrigating machine central tower seat through the rotating elbow, a middle tower frame and a tail tower frame are arranged below the middle part and tail part of the water delivery main pipe, the water delivery main pipe is arranged on the middle tower frame and the tail tower frame, a water delivery tail pipe is arranged on the tail end of each water delivery main pipe, and a jet gun is arranged on the tail end of the water delivery tail pipe; tires are arranged at the bottom ends of the jet-irrigating machine central tower seat, the middle tower frame and the tail tower frame, and traveling steering devices are respectively arranged between the left tire as well as the right tire and a connecting shaft; and each traveling steering device consists of a first connecting rod and a second connecting rod. As the steering traveling mechanisms are arranged, on the premise of keeping the original water intake and jet-irrigating functional structures, the jet-irrigating machine can conveniently adjust the steering of the tires, multi-angle traveling and dragging can be realized, the distant transportation operation is facilitated, and the draggable water-saving jet-irrigating machine is stable and reliable and is good in field adaptability.

The invention provides a connecting device comprising an accessing device and an accessed device; the accessing device comprises a first support plate, multiple adjusting devices and a first connecting unit; one end of each of the adjusting devices is rotationally connected with the first connecting unit and the other end is fixedly connected with the first support plate; the multiple adjusting devices can perform straight reciprocating motion mutually and independently so that the included angle between the first connecting unit and the first support plate changes; the accessed device comprises a second connecting unit; the connecting and disconnecting between the accessing device and the accessed device is realized by the attraction and separation between the second connecting unit and the first connecting unit. The invention also provides a split-type robot comprising a first segment body, a second segment body and any one of the connecting devices; the accessing device is connectedwith the first segment body; the accessed device is connected with the second segment body.

The invention provides a rotary control flashlight. The rotary control flashlight has a rotatable body which can be flexibly rotated by a single hand by forehand or backhand holding of the flashlight, and can realize turning on, turning off, light adjustment, additional function (for example, SOS) selection.

The invention provides a fixing part connected with a photo frame backboard. The fixing part comprises a rotating portion and a fixed portion connected with a photo frame, one end of the rotating portion is connected with the fixed portion, the other end of the rotating portion is connected with a fixing substrate for fixing the photo frame, and a concave rotating surface and a convex rotating surface are connected in an embedded manner to form the rotating portion. The invention further provides a method for manufacturing the fixing part connected with the photo frame backboard. The fixing part is simple and reasonable in structure, high in mechanization degree, convenient to use, fine in mounting consistency and high in production efficiency, and can be effectively and firmly connected and can flexibly rotate.

The invention discloses efficient automatic communication cable laying equipment. Rear driving assemblies are connected to the rear end portions of outer arc plates and the rear end portions of innerarc plates; a middle driving assembly is arranged in the middle of each inner arc plate; front driving assemblies are connected to the front end portions of the outer arc plates and the front end portions of the inner arc plates; the rear driving assemblies, the middle driving assemblies and the front driving assemblies abut against the inner wall of a cable pipeline where laying is conducted; Thecommunication cable laying equipment is high in laying efficiency, the laying equipment can quickly drive cables to be laid in the pipeline where laying is conducted, and the laying equipment is highin laying speed, quick in movement and high in wall grasping capability; through the arrangement of camera monitoring equipment, obstacles in front can be well predicted so that direction control assemblies can control the equipment to well avoid the obstacles, direction control wheels carry out control and rotation flexibly and conveniently, belts are adopted for transmission forwarding, the forwarding force is large, and long-distance cable laying can be ensured.

The invention discloses a large-angle rotary desktop hanger for a liquid crystal display television. The large-angle rotary desktop hanger for the liquid crystal display television comprises a base, a stand column, a rotary device and a rotary support frame, wherein the base comprises a base plate and a bottom cover with a through hole in the center, the rotary device comprises a rotary seat and a connection seat, a positioning ring is arranged at the bottom of the rotary device, the connection seat sleeves the rotary seat and matches with the same, and the rotary support frame comprises two fixing pieces, a position adjusting piece and a television panel frame. Due to the arranged rotary device and the rotary support frame, stereoscopic multi-angle adjusting and mounting of the liquid crystal display television in both horizontal and longitudinal directions are realized during use, flexibility in using and mounting of the hanger is improved, and the large-angle rotary desktop hanger for the liquid crystal display television is simple in structure and convenient to use and operate.

A bonding agent coating device is installed on bonding agent coating equipment comprising a machine base and a movement device and is used for coating of a bonding agent. The bonding agent coating device comprises a glue coating pipe, connection bases, a switch shaft, fixing supports and rotation mechanisms. The glue coating pipe is provided with a glue solution inlet and multiple coating holes. The glue coating pipe is fixed through the connection bases. The switch shaft is installed in the glue coating pipe in a sleeving manner and is provided with glue guide holes. The connection bases andthe rotation mechanisms are fixed through the fixing supports, and the fixing supports are connected with the movement device. Each rotation mechanism comprises a rotating device and a rotating shaft.The rotating devices drive the rotating shafts. The rotating shafts penetrate through the fixing supports to be connected with the end portions of the switch shaft and drive the switch shaft to rotate in the glue coating pipe, and therefore the glue solution inlet, the glue guide holes and the coating holes can be unblocked or blocked, and the aim of opening and closing the coating holes of the bonding agent coating device is achieved. By means of the bonding agent coating device, a bonding agent entry passageway and a coating passageway can be rapidly opened or closed; on one hand, the bonding agent is saved, and the production cost is reduced; and on the other hand, the product quality can be ensured, and the service life of the bonding agent coating device can be prolonged.

The invention belongs to the technical field of medical service equipment, and discloses a hand-operated type automatic mounting and dismounting stretcher to achieve the technical purposes that by means of the hand-operated type automatic mounting and dismounting stretcher, canvas can directly pass through the part below the human body, and the safety guarantee of a patient is enhanced. According to the technical scheme, a transverse plate of a first long edge rod of a framework is provided with a fixing rolling rod, a movable pull plate is located in the middle of the framework and is parallel to the first long edge rod, a plate body of the movable pull plate is transversely provided with a plurality of sets of guiding rolling pipes in parallel, one end of a double-layer canvas belt is fixedly connected with the fixing rolling rod and winds the fixing rolling rod, the other end of the double-layer canvas belt is divided into two layers which are turned through the corresponding guiding rolling pipes to be fixedly connected with the transverse plate of the first long edge rod to form a multi-layer cloth belt, the two ends of the fixing rolling rod are connected with the two ends of the movable pull plate through steel wires and pulley sets respectively, a second long edge rod of the framework is provided with a buckle, and the two ends of the fixing rolling rod are provided with hand-operated device transmission devices for controlling rotation of the fixing rolling rod. The hand-operated type automatic mounting and dismounting stretcher can be widely applied to rescuing patients.

The invention discloses a split type heavy-duty vehicle pushing arm improved structure which comprises a pushing arm, a pushing wheel shaft and a pushing wheel; an arm internal thread drill hole is formed in the end, away from the pushing wheel, of the pushing arm; and a pushing arm internal thread is arranged in the arm internal thread drill hole. The pushing wheel shaft is composed of a pushingarm installation rod, a transition rod and a pushing wheel installation rod which are fixedly connected in sequence, wherein pushing arm external threads meshed with the pushing arm internal threads are arranged on thepushing arm installation rod, pushing wheel external threads are arranged on the pushing wheel installation rod, and a pushing wheel hole is formed in the pushing wheel, and pushingwheel internal threads meshed with the pushing wheel external threads are arranged in the pushing wheel hole. The invention has the advantages that the part purchasing cost is greatly reduced, the part processing period is short, the replacement is simple, convenient and flexible, the maintenance cost is effectively reduced, the part maintenance and replacement are convenient and flexible, the original copper sleeve transmission of the wheel is improved into bearing transmission, and the rotation is flexible.

The invention discloses a charger, which comprises the following parts: chassis, dry battery charging seat and lithium battery charging seat, wherein the lateral wall of front end of the chassis has several semi-column shaped chucking ring; the dry battery charging seat is set on the chassis with a charging groove in the middle of the dry battery charging seat; several projective columns are extended on the lateral wall of front end of the dry battery charging seat; the end of projective column corresponds the chucking button ring of several semi-circle corresponding to the chucking ring; thechucking button ring of the dry battery charging seat and chucking ring of the chassis form a ring-shaped fixed groove connected and covered the corresponding chucking ring; several paralleling connecting pieces are extended from the front end of charging seat of the lithium battery with a rotary shaft between two adjacent connecting pieces; the punch is opened among two connecting pieces and therotary shaft; the projective column of the dry battery charging seat pierces the punch; the rotary shaft chucks the fixing groove.

The invention discloses a rotary teaching calligraphy writing posture correcting device, and relates to the field of writing brush calligraphy teaching. The rotary teaching calligraphy writing posturecorrecting device comprises a fixing frame, a fixing device, a tray, a turntable, rotating shafts, rotating wheels, a supporting tube, a supporting rod and a bracket; the fixing device and the tray are arranged on the fixing frame; the turntable is arranged on the tray; the rotating shafts, the rotating wheels and the supporting tube are arranged on the turntable; the supporting rod is arranged on the supporting tube; the bracket is arranged on the supporting rod; the fixing device includes a knob, a connecting shaft, a clamping block, a limiting ring, a connecting ring, a fixing plate and ananti-slip layer; the knob, the clamping block and the limiting ring are arranged on the connecting shaft; the connecting ring is arranged on the limiting ring; the fixing plate is arranged on the connecting ring; and the anti-slip layer is arranged on the fixing plate. The rotary teaching calligraphy writing posture correcting device is good in practicability, is very easy to use, can correct a posture of a beginner in calligraphy writing, can make the beginner of the calligraphy maintain the correct posture during writing, is flexible and easy to rotate, does not make the students feel uncomfortable during writing, is convenient to detach, and facilitates carrying and storage for schools or individuals.

The invention discloses efficient automatic communication cable laying equipment. Rear driving assemblies are connected to the rear end portions of outer arc plates and the rear end portions of innerarc plates; a middle driving assembly is arranged in the middle of each inner arc plate; front driving assemblies are connected to the front end portions of the outer arc plates and the front end portions of the inner arc plates; the rear driving assemblies, the middle driving assemblies and the front driving assemblies abut against the inner wall of a cable pipeline where laying is conducted; Thecommunication cable laying equipment is high in laying efficiency, the laying equipment can quickly drive cables to be laid in the pipeline where laying is conducted, and the laying equipment is highin laying speed, quick in movement and high in wall grasping capability; through the arrangement of camera monitoring equipment, obstacles in front can be well predicted so that direction control assemblies can control the equipment to well avoid the obstacles, direction control wheels carry out control and rotation flexibly and conveniently, belts are adopted for transmission forwarding, the forwarding force is large, and long-distance cable laying can be ensured.

The invention discloses a device for storing multiple types of particles. The device comprises a base and a barrel, wherein the barrel is positioned above the base, and is partitioned into a plurality of storing grids through clapboards; the bottom surface of the barrel is in rolling fit with the base; a rotating rod is vertically arranged ion the middle part of the barrel; a pick-up cabin is connected to the lower end of the rotating rod, and is positioned at the middle position of the lower part of the barrel; the shape of the lower end of the pick-up cabin is matched with that of the upper end of the base; a sleeve is arranged between the barrel and the pick-up cabin; the side edge of each storing grid is provided with a storage cabin outlet; the sleeve and the pick-up cabin are provided with a sleeve port and a pick-up cabin inlet corresponding to the pick-up cabin outlets; the bottom of the pick-up cabin is provided with a pick-up cabin outlet; and the base is provided with a blanking port and a blanking cabin which corresponds to the position of the blanking port. The barrel is partitioned into a plurality of storing grids through the clapboards, so that multiple types of cereals or multiple types of particulate solids can be stored; and the barrel can rotate in a reciprocating way relative to the base through balls and raceways.

The invention relates to a reversible operating mechanism for an isolating switch. The reversible operating mechanism comprises a box, a manual transmission unit installed in the box, a mechanical transmission unit installed in the box, and a reversing unit installed at the upper end of the box. The reversing unit comprises a base. A round through hole is formed in the middle of the base. A crankshaft is installed in the round through hole and comprises a cylindrical embedding section located at the lower end, and an L-shaped connecting section located at the upper end. The embedding section is embedded into the round through hole in the base, the bottom end of the embedding section is connected with a transmission connecting rod through a key, and a universal joint is connected to the upper end of the connecting section. The outer end of the universal joint is sleeved with a rotating frame. The universal joint and the rotating frame are fixedly connected through a hinge pin. The rotating frame is connected with a transmission shaft of the isolating switch. The reversible operating mechanism has the advantages that by means of the reversible property of the mechanism, the installing modes of the isolating switch are diversified, and multiple shaft outputting and installing modes such as shaft outputting from the upper portion, shaft outputting from the left side and shaft outputting from the right side of the operating mechanism are achieved.

The invention discloses a hidden type lower hinge. The hidden type lower hinge comprises a hinge base mounted in a lower window frame, a rotating shaft mounted in a lower window sash, and a rotating connecting part mounted between the hinge base and the rotating shaft, wherein the hinge base comprises a first mounting plate and a second mounting plate; a concave grove is formed between the upper surface of the first mounting plate and the bottom surface of the second mounting plate; a group of communicating U-shaped grooves and through holes is formed above the hinge base; the rotating connecting part comprises a first connecting part and a second connecting part; a fixing rod is arranged above the first connecting part; an arc-shaped limiting groove is formed in one side close to the fixing rod; a limiting rod is arranged below the other side of the fixing rod; a sliding rod is arranged at the bottom part of the second connecting part and slides in parallel along the communicating U-shaped grooves; the sliding rod is in match with the arc-shaped limiting groove to limit the first connecting part to rotate in one direction; a shaft rod is arranged above the other side of the sliding rod through the second connecting rod; the rotating shaft rotates along the shaft rod. The hidden type lower hinge is stable in structure, high in bearing performance, convenient and quick to mount, and flexible to rotate.

The invention relates to a sick and wounded personnel handling device. A base is of a round table-shaped structure, a rotary supporting rod is fixedly installed at the central position of the base, the outer portion of the rotary supporting rod is sleeved with a rotary supporting rod sleeve, the bottom portion of the rotary supporting rod sleeve is connected with a rotary platform, an upright rod is fixedly installed on the rotary supporting rod sleeve, an inclined supporting rod is fixedly installed on the upright rod, a first pulley is arranged at the top end of the upright rod, a second pulley is arranged on an end portion of the inclined supporting rod, a stay cord is arranged on the first pulley and the second pulley, one end of the stay cord is connected with a motor arranged on the rotary platform, the other end of the stay cord is connected with a four-rope grab bucket, and a sick and wounded personnel protective sleeve is arranged on the inner side of a grab body of the four-rope grab bucket. When the sick and wounded personnel handling device is in use, the four-rope grab bucket is used for driving the sick and wounded personnel protective sleeve to move so as to grab a sick and wounded person upward from the ground or the horizontal platform, the sick and wounded person is grabbed into the sick and wounded personnel protective sleeve safely at a time, and then the sick and wounded person is conveyed to the position of a set object or a specific object.

The invention discloses a hidden type lower hinge. The hidden type lower hinge comprises a hinge base mounted in a lower window frame, a rotating shaft mounted in a lower window sash, and a rotating connecting part mounted between the hinge base and the rotating shaft, wherein the hinge base comprises a first mounting plate and a second mounting plate; a concave grove is formed between the upper surface of the first mounting plate and the bottom surface of the second mounting plate; a group of communicating U-shaped grooves and through holes is formed above the hinge base; the rotating connecting part comprises a first connecting part and a second connecting part; a fixing rod is arranged above the first connecting part; an arc-shaped limiting groove is formed in one side close to the fixing rod; a limiting rod is arranged below the other side of the fixing rod; a sliding rod is arranged at the bottom part of the second connecting part and slides in parallel along the communicating U-shaped grooves; the sliding rod is in match with the arc-shaped limiting groove to limit the first connecting part to rotate in one direction; a shaft rod is arranged above the other side of the sliding rod through the second connecting rod; the rotating shaft rotates along the shaft rod. The hidden type lower hinge is stable in structure, high in bearing performance, convenient and quick to mount, and flexible to rotate.

The invention discloses a charger, which comprises the following parts: chassis, dry battery charging seat and lithium battery charging seat, wherein the lateral wall of front end of the chassis has several semi-column shaped chucking ring; the dry battery charging seat is set on the chassis with a charging groove in the middle of the dry battery charging seat; several projective columns are extended on the lateral wall of front end of the dry battery charging seat; the end of projective column corresponds the chucking button ring of several semi-circle corresponding to the chucking ring; the chucking button ring of the dry battery charging seat and chucking ring of the chassis form a ring-shaped fixed groove connected and covered the corresponding chucking ring; several paralleling connecting pieces are extended from the front end of charging seat of the lithium battery with a rotary shaft between two adjacent connecting pieces; the punch is opened among two connecting pieces and the rotary shaft; the projective column of the dry battery charging seat pierces the punch; the rotary shaft chucks the fixing groove.

The invention discloses an illuminant capable of changing an illuminating mode. The illuminant comprises a lampshade and a handle. The tops of front and back sides of the handle are fixedly connectedto the bottoms of front and back sides of the lampshade, the bottom of the lampshade is arranged out of the top of the handle in a sleeving manner, a rotating gear ring is rotatably connected betweenthe bottom of the lampshade and the top of the handle, and an adjusting sleeve is fixedly connected to the top of the rotating gear ring. The invention relates to the technical field of illuminating facilities. According to the illuminant capable of changing the illuminating mode, the adjusting sleeve is controlled to rotate by using the rotating gear ring by arranging transparent and red glass sheets in through holes separately, so that through holes in different rows are overlapped with illuminating holes and the colors of the emitted rays can be changed. By matching a rotary separation blade with a hollowed switching sleeve, the rotary separation blade can be pushed to rotate. After an arc-shaped straight slot is exposed, the rays emitted from the upper side to illuminate. The illuminating modes can be switched by means of a simple operation, so that the illuminant meets different using demands and is convenient to use.

The invention discloses a telescopic folding braking crank for hand braking of a rail vehicle. Chutes are formed inside both ends of a rotating rod; sliding rods are arranged in a sliding mode in the chutes; handgrips are arranged on the sliding rods; the sliding rods as well as the handgrips can slide in the chutes together, and stop blocks for preventing the sliding rods from falling out of the chutes are arranged at one ends of the sliding rods, which are positioned in the chutes; the handgrips are hinged to the sliding rods, can rotate around hinged shafts, and form two relative position states with the rotating rod, i.e., a perpendicular state and a parallel state. According to the telescopic folding braking crank disclosed by the invention, a length of the rotating rod is designed into an adjustable length, and a suitable length can be selected according to the space size of an operation environment; the length of the rotating rod is regulated, and rotating radii of the handgrips are changed, so that rotation of the handgrips becomes more flexible and convenient; the rotating rod with a proper length can be selected according to personal conditions, so that the telescopic folding braking crank is more comfortable and efficient to use; the rotating rod can extend and retract and the handgrips can be folded, so that the space is saved, and the telescopic folding braking crank is also more attractive in appearance.

The invention belongs to the technical field of medical service equipment, and discloses a hand-operated type automatic mounting and dismounting stretcher to achieve the technical purposes that by means of the hand-operated type automatic mounting and dismounting stretcher, canvas can directly pass through the part below the human body, and the safety guarantee of a patient is enhanced. According to the technical scheme, a transverse plate of a first long edge rod of a framework is provided with a fixing rolling rod, a movable pull plate is located in the middle of the framework and is parallel to the first long edge rod, a plate body of the movable pull plate is transversely provided with a plurality of sets of guiding rolling pipes in parallel, one end of a double-layer canvas belt is fixedly connected with the fixing rolling rod and winds the fixing rolling rod, the other end of the double-layer canvas belt is divided into two layers which are turned through the corresponding guiding rolling pipes to be fixedly connected with the transverse plate of the first long edge rod to form a multi-layer cloth belt, the two ends of the fixing rolling rod are connected with the two ends of the movable pull plate through steel wires and pulley sets respectively, a second long edge rod of the framework is provided with a buckle, and the two ends of the fixing rolling rod are provided with hand-operated device transmission devices for controlling rotation of the fixing rolling rod. The hand-operated type automatic mounting and dismounting stretcher can be widely applied to rescuing patients.