64results about How to "Realize the blocking function" patented technology

The invention provides a maneuvering type unmanned aerial vehicle recovery device, and belongs to the technical field of unmanned aerial vehicle recovery. The maneuvering type unmanned aerial vehicle recovery device comprises a blocking assembly, a U-shaped part, a lifting hydraulic cylinder, a support, a rotation base, an upper supporting hydraulic cylinder, a lower supporting hydraulic cylinder and a carrier. After an unmanned aerial vehicle rapidly rushes at the vertically unfolded blocking assembly at a certain recovery speed, the unmanned aerial vehicle pushes a blocking pulley to move forwards together, a pulling rope which is connected to the lower end of the blocking pulley surrounds a pulley block and pulls a damper piston rod in a damper cylinder body, the kinetic energy of the unmanned aerial vehicle and the blocking pulley is quickly absorbed, and therefore the purposes that the unmanned aerial vehicle and the blocking pulley are decelerated and stopped within a quite short period, and finally the unmanned aerial vehicle lands, is buffered by a belly buffering part, and is supported and recovered in a frame of the blocking assembly are achieved. By the adoption of the maneuvering type unmanned aerial vehicle recovery device, an undercarriage or a recovery parachute or a hooking rope device does not need to be additionally installed on the unmanned aerial vehicle, the quantity of loaded oil of the unmanned aerial vehicle can be increased, the flight resistance of the unmanned aerial vehicle can be reduced, and therefore the cruising time of the unmanned aerial vehicle is prolonged, and the flight speed of the unmanned aerial vehicle is increased.

The invention discloses an electric bicycle blocking system and method for an elevator. The electric bicycle blocking system comprises a detection unit, an information processing unit, an execution unit, an elevator control panel and an elevator light curtain, wherein the detection unit comprises a camera, a scanning detector and a ground induction coil; the camera is arranged at the top corner inside a lift car; the scanning detector is arranged on the inner side wall of the lift car; the execution unit comprises a first relay, a second relay and a voice loudspeaker; the signal output end ofthe camera is connected with the first signal input end of the information processing unit; the signal output end of the scanning detector is connected with the second signal input end of the information processing unit; and the signal output end of the ground induction coil is connected with the third signal input end of the information processing unit. According to the electric bicycle blockingsystem and method, the elevator does not need to modified, electric bicycles can be effectively prevented from entering the elevator, so that potential safety hazards are prevented.

In a locking assembly for a ventilating window comprising a locking control mechanism connected with an operator member (4) via an actuator slide (13) release of locking engagement between movable and stationary locking members (11, 7) may be blocked by blocking means (26) acting on the locking control mechanism and/or the actuator slide (13). The blocking means (26) is selectively operable by user operated means functionally integrated with the operator member (4) for displacement between a blocking condition, in which the slide (13) is blocked against displacement from an intermediate locking position to a first end position, and a non-blocking condition, in which the slide (13) is freely displaceable by operation of the operator member (4).

The invention discloses a speed reduction belt which can be turned into an isolation pile, comprising a driving device, a trapezoidal foldable combined speed reduction belt, a guide rail plate, a guide groove, a slide block, a triangular baffle plate, a support block and the like; the speed reduction belt comprises a driving device and a trapezoidal foldable combined speed reduction belt. The bottom plate of the speed reduction belt is mainly composed of a guide rail plate, a guide groove and a triangular baffle plate, wherein the guide groove is arranged in the guide rail plate, and the triangular baffle plate is arranged at both ends of the guide rail plate. The two inclined surfaces of the speed reduction belt are articulated with the top surface, the inclined surface can rotate aroundthe top surface, the bottom end of the inclined surface is articulated with the slider, the slider is connected with the driving device, and the slider can slide in the guide groove. The device normally is a trapezoidal speed-down belt. If it is necessary to block the passage of a motor vehicle, the driving device controls the speed-down belt to slide in the middle of two oblique faces, and can beused as an isolation pile when the top plate is lifted and the side surface is vertical. The driving device controls the speed-down belt to slide on both oblique faces, and then the speed-down belt can be changed back. The device can be installed in the road section, in front of the unit door and other positions, and can play the function of decelerating and blocking the motor vehicle.

The invention discloses a remote communication control electronic lock which comprises a lock case, a locking mechanism and a remote communication control system. The remote communication control electronic lock is characterized in that the locking mechanism comprises a lock rod, a steel ball, a rack and a motor, wherein a sealing bayonet and a sealing detection inclined plane are arranged at the locking end of the lock rod; teeth are arranged on the rack; a gear is arranged at the output end of the motor and is occluded with the teeth of the rack; the steel ball is arranged at a position, close to the sealing bayonet, of the tail end of the rack and can freely move; the sealing detection inclined plane is close to a pressing sheet of a sealing detection switch; the sealing detection switch is electrically connected with the remote communication control system; the motor is electrically connected with the remote communication control system. The remote communication control electronic lock disclosed by the invention has the beneficial effects that the steel ball is clamped at the sealing bayonet and locks the lock rod, so that the locking performance of the lock rod is enhanced; the structure is very simple, and the reliability is improved.

The invention relates to a projector with an anti-blocking function. The projector comprises a main body, a lens and four supporting blocks, and further comprises an anti-blocking mechanism and a protection mechanism, the anti-blocking mechanism comprises a heat dissipation assembly and two auxiliary assemblies, and the protection mechanism comprises a protection plate, a rotating shaft, a connecting block, a supporting rod, two second bearings and two connecting assemblies. Each connecting assembly comprises a power rod, a gear, a rack and two movable rods. According to the projector with the anti-blocking function, through the anti-blocking mechanism, the function of cleaning a filter screen is achieved, the probability of blockage of the filter screen is reduced, the influence on heat dissipation work is prevented, and the reliability of equipment is improved; and through the protection mechanism, the function of shielding a lens is achieved, the probability that the lens is scratched is reduced, and the projection effect is prevented from being influenced, so that the reliability of equipment is improved.

A sand spreading device of a bullet train unit is installed on a bogie frame of the bullet train unit, a speed governing motor drives belt pulleys to transmit power to a sand stirring mechanism and a sand conveying mechanism; a baffle driven by a pneumatic cylinder is installed between a sand box and the sand conveying mechanism, and the baffle and the sand box form a cabin door mechanism; when sand needs to be spread, the baffle can be slidingly opened in advance, so that the sand can enter the sand conveying mechanism; when sand spreading is completed, the baffle can be slidingly closed, the sand and the sand conveying mechanism are separated, and subsequent cleaning of the sand conveying mechanism is facilitated; the sand stirring mechanism is of a screw panel sleeve structure, sand stirring performance is good, and axial force is small; a heating device is installed between the sand stirring mechanism and a cabin door structure and used for heating the conveyed sand in time and sufficiently; a position sensor detects positions of the sand in the sand box and send control signals out; a temperature sensor monitors temperatures of the sand in the sand box; and the sand conveying device is of a double-screw-panel sleeve structure, and a sand stirring function is further achieved. The sand spreading device of the bullet train unit has the advantages that the volume is small, anti-block functions of the sand stirring mechanism and the sand conveying mechanism are achieved, and cleaning is easy.

The invention relates to projection equipment with a dustproof function and a good heat dissipation effect. The projection equipment comprises a main body and a projection lamp, and further comprisesa heat dissipation mechanism and a dustproof mechanism. The dustproof mechanism comprises a cover plate, a first bearing, a connecting shaft, a first gear and a driving assembly. The heat dissipationmechanism comprises a heat dissipation assembly, two filter screens and two cleaning assemblies. The heat dissipation assembly comprises a first motor, a rotating shaft, a second bearing, two transmission units and a plurality of blades. According to the projection equipment with a dustproof function and a good heat dissipation effect, through the dustproof mechanism, the projection lamp can be shielded, and the problem that dust adheres to the projection lamp to influence the projection effect when the equipment is idle is avoided; and through the heat dissipation mechanism, air circulation inside and outside the main body is accelerated, the heat dissipation effect is improved, and the problem that normal work of electronic elements in the main body is affected due to too high temperature in the main body is avoided.

The invention belongs to the field of oil production tools, and particularly relates to a self-adaptive high-performance bridge plug. According to the specific technical scheme, the self-adaptive bridge plug includes central pipes, a rubber cylinder assembly sleeves the central pipes, the rubber cylinder assembly includes two compressed rubber cylinders arranged in surrounded modes, cross sectionsof the compressed rubber cylinders are inverted trapezoids with small inside and large outside, wedge-shaped extrusion parts with the shapes matched with those of the compressed rubber cylinders arearranged above and below the compressed rubber cylinders, self-expanding rubber cylinders are arranged in the middles of the compressed rubber cylinders around the central pipes, the outer surfaces ofthe compressed rubber cylinders are flush with the outer surfaces the first self-expanding rubber cylinders, the first self-expanding rubber cylinders are internally provided with first liquid storage boxes capable of being broken under the extrusion action of the first self-expanding rubber cylinders, and the first liquid storage boxes are filled with liquid capable of expanding the first self-expanding rubber cylinders. According to the self-adaptive high-performance bridge plug, the provided bridge plug has high adaptive capacity to a well wall, can be subjected to automatic remedy and secondary set in case of failure of set, can further unsealed easily in case of unsealing, and the bridge plug and a unsealing barrel can both be recycled and reused.

The invention discloses a swing gate with an anti-collision function. The swing gate comprises a case which is provided with a groove on one side surface, a swing gate vertically and rotatably arranged in the groove, a vertical rod vertically arranged in the swing gate and slidably connected with the swing gate in the vertical direction, a first electromagnet, a servo motor, a supporting rod and a control unit, wherein the upper end and the lower end of the vertical rod are located in the case, and a first electromagnet attraction piece and a second electromagnet attraction piece are fixedly arranged at the upper end and the lower end of the vertical rod correspondingly; the first electromagnet is arranged right above the first electromagnet attraction piece; an output shaft of the servo motor is vertically arranged, and the servo motor is fixedly provided with a second electromagnet located under the second electromagnet attraction piece; the supporting rod is horizontally arranged on the back surface of the swing gate, one end of the supporting rod is slidably connected with the swing gate through a first sliding block, and the other end of the supporting rod is slidably connected with the case through a second sliding block; and the two ends of the supporting rod are hinged to the first sliding block and the second sliding block correspondingly. Damage to the motor can be effectively reduced, and the beneficial effects of prolonging the service life and reducing the operation cost are achieved.

The invention relates to paint spraying equipment with an anti-splashing function. The paint spraying equipment comprises a bottom plate, a fixed box, a supporting column, a platform, a top plate, a material box, a connecting pipe, a paint spraying pipe and two supporting columns, and further comprises an anti-splashing mechanism and an impurity removing mechanism; and the anti-splashing mechanismcomprises a lifting plate, two moving assemblies, two stirring assemblies and four scraping assemblies, each moving assembly comprises a motor, a lead screw, a sliding block, a supporting rod and a first bearing, each stirring assembly comprises a second bearing, a rotating shaft, a transmission unit and two stirring units, and each scraping assembly comprises a scraping plate and a fixing rod; and the impurity removing mechanism comprises an impurity removing net, a smashing plate, a third bearing, a connecting shaft, a connecting disc, a torsion spring, a support and two connecting ropes. According to the paint spraying equipment with the anti-splashing function, the shielding function is achieved through the anti-splashing mechanism, it is avoided that paint splashes to the body of a worker to affect the cleanliness of the worker, the impurity removing function is achieved through the impurity removing mechanism, and it is avoided that the quality of a finished product is affecteddue to the fact that the paint contains too much impurities.

A screw conveyor provided with a material blocking and cleaning device comprises a main screw drive, a material blocking and cleaning reverse screw blade, a screw shaft, a material trough body and a screw blade, wherein the material blocking and cleaning reverse screw blade and the screw blade are welded on the screw shaft and mounted into the material trough body after welding, and the main screw drive and the screw shaft are connected through a speed reducer A and a bearing seat B and sealed through a seal ring D; the main screw drive is started, the screw shaft drives the screw blade to rotate, the material blocking and cleaning reverse screw blade rotates synchronously with the screw shaft, materials enter the material trough body from a material inlet C, and when the materials are accumulated in a material accumulation position E, the material blocking and cleaning reverse screw blade conveys the accumulated materials synchronously in an opposite direction into a material discharge opening F. The screw conveyor can realize both the material blocking function and the accumulated material cleaning function, is high in continuity and is applied to the technical fields of metallurgy, electric power, chemical engineering, coal, papermaking and building materials.

The invention relates to a water conservancy irrigation closed system which includes a water channel for water diversion and a water blocking mechanism installed on the water channel. The water channel communicates with a crop pond for planting crops; the water blocking mechanism includes a sliding chute fixedly arranged in the water channel, a flashboard slidably matched in the sliding chute, a control box arranged on the water channel, and a supporting shaft rotatably supported on the control box; an unwinding reel is coaxially fixed to the supporting shaft, a drawstring is wound on the unwinding reel, one end of the drawstring is fixed to the unwinding reel, the other end of the drawstring is fixed to the flashboard, and the supporting shaft is connected with a driving device; and a control device is arranged between the crop pond and the water blocking mechanism. By arranging the control device between the crop pond and the water blocking mechanism, when the water level in the croppond reaches a certain height, the control device can control the flashboard of the water blocking mechanism to automatically lower to block water, and convenience during use is improved.

The invention discloses a full-automatic gas ultralimit preventing device, which comprises a high-pressure capsule hole fixing apparatus, an automatic reset hole sealing apparatus and a buffer box which are sequentially connected. The high-pressure capsule hole fixing apparatus utilizes capsules to replace cement to serve as a hole fixing medium, so that hole fixing time is greatly reduced, and reuse is further achieved; the automatic reset hole sealing apparatus achieves a normally-closed function through force provided by a nitrogen spring, can clamp a drill rod under the situation without an external power source and achieves the purpose of plugging burst gas. In general, the gas ultralimit preventing device improves work efficiency, achieves an automatic plugging function in gas emission moment, also can achieve the plugging function when losing the power source and effectively ensures construction safety.

The invention relates to a high-reliability soil heavy metal detector with an anti-falling function. The detector comprises a main body, a glass plate, a detection device, a handle, a protection mechanism and a shielding mechanism. The shielding mechanism comprises a shielding plate, a dust removal assembly, a connecting plate and a plurality of connecting assemblies; and each connecting assemblyincludes a connecting rod and a first spring. The protection mechanism comprises an annular air bag, an acceleration sensor, a connecting box, a driving assembly, two moving plates, two communicatingpipes and two fixing blocks. According to the high-reliability soil heavy metal detector with the anti-falling function, with the protection mechanism, a buffer force is provided for the main body byrapidly inflating the air bag to realize the anti-falling function; with the shielding mechanism, the shielding function can be realized, and a situation that X-rays emitted by the detector irradiatethe body of a user, and the health of the user is affected is avoided.

The invention relates to an anti-splashing rammer compactor which comprises a main body, an air cylinder, a ramming compaction plate and two moving devices, and further comprises an anti-splashing mechanism and two stabilizing mechanisms, and the anti-splashing mechanism comprises a protection plate, a moving plate, two control assemblies, two electromagnets, two supporting rods, two limiting blocks and a plurality of first springs; each control assembly comprises a fixing rod and a control switch, the stabilizing mechanism comprises a lead screw, a sliding block, a supporting rod, a fixing plate, a transmission disc, a transmission shaft, a transmission rope, a torsion spring and two second bearings, and the anti-splashing rammer compactor achieves the shielding function through the anti-splashing mechanism. By the adoption of the structure, mud on the ground cannot be splashed to the body of a worker during tamping, so that the reliability of the equipment is improved, the function of fixing the position of the equipment is achieved through the stabilizing mechanism, the probability that tamping is affected by position deviation during tamping is reduced, and therefore the reliability of the equipment is improved.

The invention provides a freezing chamber structure of a refrigerator. The freezing chamber structure of the refrigerator solves the problems that the storage space of the existing freezing chamber is small, the utilization ratio is low, the drawer structure is heavy and is inconvenient to pick and place, frosting is apt to cause due to non-uniform refrigeration in the chamber, the refrigeration energy consumption is increased, and the like. The freezing chamber structure of the refrigerator comprises a refrigerator body with an inner chamber, wherein a refrigerator door is arranged at the opening in the side part of the refrigerator body, a liner with heat conducting performance is installed in the inner chamber of the refrigerator body, an enclosure frame is arranged at the opening of the refrigerator body, the liner is clamped with the enclosure frame, a freezing evaporator is arranged on the peripheral wall of the liner in a coiling way, a plurality of trays are erected in the liner, supporting and sliding mechanisms are arranged between the trays and the liner, a baffle is clamped at the bottom of the enclosure frame, and a detachable clamping structure is arranged between the baffle and the enclosure frame. The freezing chamber structure of the refrigerator has the advantages that the storage space is expanded and the uniform refrigeration effect is optimized; portable and comfortable picking and placing operation can be realized; the goal of firm positioning and supporting by using fewer and simple parts is realized and the flexible adjustment of the layout division of the internal part of the inner chamber is facilitated.

The invention relates to projection equipment with a dustproof function. The projection equipment comprises a main body, a filter screen, a lens, a dustproof mechanism and a dust removal mechanism, wherein the dustproof mechanism comprises a driving assembly, a fixing frame and two dustproof assemblies; and the dust removal mechanism comprises a first bearing, a transmission shaft, a first bevel gear, a second bevel gear, two scraping plates, two knocking assemblies and a plurality of convex blocks. The projection equipment with the dustproof function realizes a function of shielding a lens through the dustproof mechanism, so that the lens cannot be exposed in the air, dust cannot cover the lens, therefore, the dustproof function is achieved, the projection effect is prevented from being affected by dust coverage, the reliability of the equipment is improved, the dust removal function of the filter screen is achieved through the dust removal mechanism, and the phenomenon that air circulation of the equipment is affected due to filter screen blockage is avoided.

The invention relates to a dustproof breathing machine. The dustproof breathing machine comprises a bottom plate, a supporting column, a main body, a filter screen and an air outlet pipe and further comprises a dustproof mechanism and a cleaning mechanism, wherein the dustproof mechanism comprises a dustproof box, a first bearing, a rotating shaft, a cover plate, a first magnet block, a second magnet block, a power rod, a disinfection assembly and two limiting assemblies; and the cleaning mechanism comprises a lead screw, a third bearing, a ball screw bearing, a second spring, a connecting shaft and two scraping rods. According to the dustproof breathing machine, the function of shielding the air outlet pipe is achieved through the dustproof mechanism, when the breathing machine is idle, external dust cannot fall on the air outlet pipe, and therefore the air outlet pipe cannot be polluted and cannot be blocked, the influence on oxygen supply work is prevented, the function of cleaning the filter screen is achieved through the cleaning mechanism, and dust is separated from the filter screen through rotation of the scraping rods, so that filter holes in the filter screen cannot be blocked by the dust, the influence on air circulation is avoided, and the practicability of the device is improved.

The invention provides a safety valve plate buffer mechanism. The safety valve plate buffer mechanism comprises a valve body, a water inlet pipe, a water outlet, a buffer module and an auxiliary blockage module; the water inlet pipe is arranged at the left part of the annular side surface of the valve body; the water outlet is formed in the middle part of the lower end surface of the valve body; the buffer module is arranged at the middle part in the valve body; the buffer module comprises a valve handle, a first lead screw, a first nut base, a valve plate body, a rubber pad, a right spring, acarrier plate, a water leakage hole, a sealing plug and a left spring; the auxiliary blockage module is arranged on the left side of the upper part in the valve body; and the auxiliary blockage module comprises a first bevel gear, a second bevel gear, a base, a connecting rod, a third bevel gear, a second lead screw, a guide groove, a second nut base, a sealing plate and a fourth bevel gear. Compared with the prior art, the safety valve plate buffer mechanism has the beneficial effects of achieving the buffer function of a valve plate body and achieving the blockage function of the water inlet pipe.