30results about How to "Adjust opening angle" patented technology

The invention discloses a safe eyelid speculum for ophthalmic examination and operation. The safe eyelid speculum comprises a base mobilization bar, a mobilization screw hole is arranged in the centerof the base mobilization bar, a mobilization screw is inserted in the mobilization in the mobilization screw hole, a rotary turn lever is connected to the bottom of the mobilization screw, an anti-skid stripe is arranged on the surface of the rotary turn lever, each of two ends of the base mobilization bar is movably connected with a bending eyelid opening arm through a first pin shaft, the bending eyelid opening arms and the mobilization screws are connected through a total opening angle adjusting mechanism, the top of each bending eyelid opening arm is connected with a eyelid opening rod through a convenient-removal adjustment mechanism, the inner side of each eyelid opening rod is connected with a bearing piece, one side of the bearing piece is connected with a three-point eyelid opening mechanism, and the top of the bearing piece is provided with a controllable anti-drying wetting mechanism. The safe eyelid speculum can ensure the effect of eyelid opening and avoid discomfort of patients, and meanwhile, patients' eyes can be kept moist during eyelid opening; in addition, the opening angle of the eyelid opening arms can be more gentle, and excessive opening of the eyelid opening arms, which causes damage to the patients' eyes is avoided.

The invention discloses a hanging basket device for high-voltage transmission line inspection. The hanging basket device comprises four groups of symmetrically arranged walking devices and a hanging basket, each group of walking devices is provided with three rollers, and first belt wheels are arranged on a first rotating shaft. The two ends of a second rotating shaft are movably installed on an installation plate through bearings, a second belt wheel is arranged on the second rotating shaft, and the second belt wheel is connected with the three first belt wheels through belts. Third belt wheels are coaxially arranged at one side of the second belt wheel, and the two third belt wheels of the walking device at the same side are connected through a belt. A first connecting plate is arrangedat one side of the installation plate, a driving motor is arranged at one side of the connecting plate, and a driving motor output shaft is connected with the second rotating shaft. A hanging rod is arranged at one side of the lower portion of the first connecting plate and is connected with a hanging basket body through a connecting rod. The walking devices are arranged to be the planet wheel structures, when encountering an obstacle, the planet wheel structures automatically turn over to cross the obstacle, the parking adjustment is not needed, and the obstacle crossing efficiency is improved, and therefore the inspection work efficiency is guaranteed.

The invention discloses a remote heating adjusting system and method based on a low-power-consumption network. The system comprises a temperature collecting module and a heating flow control module, wherein the temperature collecting module is arranged in a user heating environment and used for collecting temperature information in the user heating environment; and the heating flow control moduleis arranged in a heating piping shaft and used for receiving temperature information sent by the temperature collecting module and controlling the flow of a heating pipeline according to a received remote adjusting and control command and the temperature information; the heating flow control module collects the temperature information through an LoRa network, sends the temperature information to abuilding centralized controller through an NB-IoT network, and receives a primary pipe network remote adjusting and control command. According to the remote heating adjusting system and method, the problems that in the related technology, a remote heating adjusting system cannot achieve effective covering in a building and is high in power consumption in the operating process can be solved, and accordingly, the effects that low-power-consumption working is achieved, meanwhile, in-building wire arrangement is reduced, the construction difficulty is lowered, and the interior of the heated building is effectively covered are realized.

The invention relates to a mouth gag. The mouth gag comprises a fixed plate, wherein the fixed plate is rotationally connected with a screw rod, the screw rod is in threaded connection with a nut, thefixed plate is fixedly connected with a first supporting rod and a second supporting rod, the outer portion of the screw rod is sleeved with a propulsion box, the propulsion box is internally provided with a fixed rod, one end of the fixed rod is fixedly connected to the inner wall of the propulsion box, and the other end of the fixed rod runs through a through hole and is fixedly connected to the opposite inner wall of the propulsion box; the propulsion box is internally slidably connected with a separation plate, the separation plate is fixedly connected with a first telescopic plate and asecond telescopic plate, the first telescopic plate and the inner wall of the propulsion box form a first liquid storage bin, and the second telescopic plate and the inner wall of the propulsion box form a second liquid storage bin; the mouth gag further comprises an upper jaw plate and a lower jaw plate, the upper jaw plate and the lower jaw plate are both provided with sliding grooves, the propulsion box is slidably connected in the sliding grooves, the upper jaw plate and the lower jaw plate are both provided with liquid storage tanks, the liquid storage tanks are internally fixedly connected with partition plates, the liquid storage tanks are internally slidably connected with sliding pipes, and the sliding pipes are connected with the first liquid storage bin and the second liquid storage bin respectively. The mouth gag is operated conveniently.

The invention provides an anti-rollover device for a vehicle. The device is installed on a test vehicle during the side impact test based on a deformable moving wall barrier, wherein the test vehicleis prevented from from turning over, and the accuracy of test data is guaranteed. The anti-rollover device for the vehicle comprises a supporting assembly used for installing the anti-rollover deviceonto a vehicle; and a buffer part movably connected with the supporting assembly, fixed onto the outside of an impact side surface through the supporting assembly during test, correspondingly locatedat the lower bottom edge of the side frame of the vehicle which at least covers the point R of a vehicle front-row seat, and used for buffering the impact of the moving wall barrier to the impact sidesurface of the vehicle. In this way, the vehicle is prevented from from turning over. One side of the buffer part, facing the moving wall barrier, serves as the main impact body of the buffer part. The main impact body is composed of a metal plate-shaped object. The device provided by the invention can be used for buffering the collision impact of the moving wall barrier on the test vehicle and the test vehicle is prevented from from turning over. The damage of test equipment is reduced, and the accuracy and the continuity of test data are guaranteed.

The invention belongs to the technical field of tree straightening, in particular to equipment for straightening bent trees in a park. In order to solve the technical problem that a conventional treestraightening device uses disposable mechanical force for straightening trees, and the trees are easy to damage, the invention provides the following scheme of the equipment for straightening bent trees in a park. The equipment comprises a first fixed disk, a second fixed disk and a pair of backward wind gathering disks, wherein the first fixed disk and the second fixed disk are in rotatable connection; and a supporting member is fixedly connected to the side end of the first fixed disk and the side end of the second fixed disk; and a contraction returning resistant member and a positive windgathering disk are arranged between the first fixed disk and the second fixed disk. According to the equipment disclosed by the invention, the first fixed disk, the second fixed disk, the positive wind gathering disk, the contraction returning resistant member and the two backward wind gathering disks are arranged, so that when large wind comes, the contraction retuning resistant member is used for pushing a trunk bending position, the stress direction of the trunk bending position is opposite to a bending protruding direction, and tree bending is corrected; and the tree bending parts are naturally corrected under the action of the wind, the correcting effect is better, and the trees are not liable to damage.

The present invention relates to the technical field of medical devices, and specifically discloses an adjustable dental pad. The adjustable dental pad comprises two groups of dental pad bodies, eachgroup of dental pad body includes an upper dental pad, a lower dental pad, an adjusting unit and a supporting rod, the supporting rod includes an outer rod and an inner rod, the inner rod is located inside the outer rod, the inner rod is connected to the lower dental pad through a first elastic member, the top of the inner rod is connected to the upper dental pad, and the bottom end of the outer rod is connected to the lower dental pad; the adjusting unit includes a T-tube, an upper support column, a lower support column and an adjustment column, the T-tube includes a vertical tube and a horizontal tube, the upper and lower support columns are located in the vertical tube, the upper and lower support columns are connected with the upper dental pad and the lower dental pad, the upper and lower support columns are connected by a second elastic member, the adjustment column is screwed into the horizontal tube, the adjustment column is connected with a wedge block, and the wedge block is matched with the upper and lower supporting support columns. In the present invention, the adjustment column is rotated to push the wedge block to move, the upper and lower support columns are forced to move, and the adjustment of the distance and angle between the upper and lower dental pads can be realized, which prevents the patient's teeth from closing.

The invention relates to the technical field of green buildings, in particular to a roof structure for a green building, which comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a greening module and a shielding module, the shielding module comprises a supporting frame, and the bottom surface of the supporting frame is fixedly connected with four supporting columns fixedly connected with the top surface of the bottom plate. Four shielding mechanisms are arranged on the top face of the supporting frame at equal intervals, and solar cell panels are arranged on the tops of the shielding mechanisms. According to the device, the bottom surface of the collecting frame is fixedly connected with the lifting mechanism, the planting box can be lowered through the lifting mechanism, the solar cell panel is prevented from being shielded by green plants, strong sunlight is prevented from directly irradiating the green plants, use of the solar cell panel and growth of the green plants are facilitated, and the green plants can be moved upwards through the lifting mechanism according to needs; and the solar cell panel is covered by green plants, so that the ornamental value of the building roof can be improved.

The invention provides an optical cable laying construction vehicle suitable for stony soil, and belongs to the field of telecommunication engineering. The optical cable laying construction vehicle suitable for stony soil comprises a vehicle body, a first wheel, a second wheel, a third wheel and a fourth wheel. The vehicle body comprises a front vehicle body and a rear vehicle body; a first mounting plate is arranged on the front vehicle body, a first support and a second support are rotationally arranged on the first mounting plate, the first wheel and the second wheel are rotationally arranged on the first support and the second support respectively, a second mounting plate is arranged on the rear vehicle body, a third support and a fourth support are rotationally arranged on the secondmounting plate, and the third wheel and the fourth wheel are rotationally arranged on the third support and the fourth support respectively; a primary furrowing coulter is fixed on the front vehicle body, a secondary furrowing coulter is arranged on the rear vehicle body, a wire guide plate is fixed on the secondary furrowing coulter, the upper end of the wire guide plate penetrates out of the upper surface of the rear vehicle body, and a wire guide through hole is vertically formed in the wire guide plate. The optical cable laying device has the advantage that optical cable laying at different depths can be achieved more flexibly according to complex terrains.

The invention relates to a water-blocking trash rack brake pad of a pump station. The water-blocking trash rack brake pad is in a rectangular sheet type long strip shape, and a brake pad shaft is longitudinally arranged at the portion of 1 / 3 of the width of the brake pad. The two ends of the brake pad shaft protrude out of the brake pad by a certain length and are provided with bearings, and a gear is arranged on the upper portion of the bearing at the upper end of the brake pad shaft and used as a transmission mechanism for the brake pad. Multiple brake pads are arranged between an upper beam and a bottom beam on a pier wall of a pump chamber and connected with brake pad switching mechanisms arranged on the pier wall. The brake pad switching mechanisms are rotated clockwise, so that the brake pads are rotated outwards to be opened to discharge water, and the brake pads form a trash rack to block impurities; the brake pad switching mechanisms are rotated anticlockwise, so that the brake pads are rotated inwards to form a gate to block water flow. By means of the water-blocking trash rack brake pad, lands can be saved, construction cost is saved, impurity entrance can be prevented in the water pumping process, and the water-blocking trash rack brake pad can be used as the gate for water blocking in the maintaining process.

The invention discloses a self-propelled Shatian pomelo fertilizing device capable of uniformly distributing fertilizer, the self-propelled Shatian pomelo fertilizing device comprises a vehicle body, a fixing frame, a cover body and a stirring shaft, storage barrels are mounted on both sides in the vehicle body, the cover body is mounted on the top of the storage barrels, and a first rotation driving mechanism is mounted on the top of the cover body. By installing the crawler wheels, the vehicle body and the telescopic driving piece, the performance of the device is optimized, during use, on one hand, a servo motor on the vehicle body is started, the crawler wheels are driven to rotate automatically through the transmission effect of a belt wheel mechanism, and therefore the vehicle body can be driven to move, and the device can achieve the self-propelled advantage; on the other hand, by starting the telescopic driving piece, the opening angle between the adjusting plate and the base plate can be adjusted, then automatic adjustment of the fertilization angle of the fertilization pipe and the spray head mounted on the adjusting plate can be achieved, and the functionality of the device is enhanced.

The invention discloses a cable trench cover plate opening device which comprises a vehicle body and a hanging plate, wherein a stand column is arranged on one side of the upper portion of a chassis, a pinch bar is hinged to the upper end of the stand column, a hydraulic cylinder is hinged to one side of the stand column, a connecting rod is hinged to the other end of the pinch bar, the hanging plate is arranged on the lower portion of the connecting rod, hanging rods are arranged on the lower portions of supporting arms, the outer portion of each hanging rod is connected with a sliding sleeve in a sliding mode, a first abutting plate is arranged on one side of the lower portion of each hanging rod, the lower end of each first abutting plate is hinged to a second abutting plate through a second pin shaft, the lower end of each hanging rod is movably installed on the corresponding second pin shaft through a shaft sleeve, one side of each sliding sleeve is hinged to a first connection rod, the lower end of each first connection rod is hinged to the inner wall of the corresponding first abutting plate, the other side of the sliding sleeve is provided with a second connection rod, and the lower end of each second connection rod is hinged to the inner wall of the corresponding second abutting plate. According to the cable trench cover plate opening device, the hanging plate is arranged on the front portion of the vehicle body, the hanging rods are arranged on the lower portion of the hanging plate, the first abutting plates and the second abutting plates are arranged on the lower portions of the hanging rods, a cable trench cover plate is pried through the first abutting plates and the second abutting plates, and damage to the cable trench cover plate is avoided.

The invention discloses a hanging basket device for high-voltage transmission line inspection. The hanging basket device comprises four groups of symmetrically arranged walking devices and a hanging basket, each group of walking devices is provided with three rollers, and first belt wheels are arranged on a first rotating shaft. The two ends of a second rotating shaft are movably installed on an installation plate through bearings, a second belt wheel is arranged on the second rotating shaft, and the second belt wheel is connected with the three first belt wheels through belts. Third belt wheels are coaxially arranged at one side of the second belt wheel, and the two third belt wheels of the walking device at the same side are connected through a belt. A first connecting plate is arrangedat one side of the installation plate, a driving motor is arranged at one side of the connecting plate, and a driving motor output shaft is connected with the second rotating shaft. A hanging rod is arranged at one side of the lower portion of the first connecting plate and is connected with a hanging basket body through a connecting rod. The walking devices are arranged to be the planet wheel structures, when encountering an obstacle, the planet wheel structures automatically turn over to cross the obstacle, the parking adjustment is not needed, and the obstacle crossing efficiency is improved, and therefore the inspection work efficiency is guaranteed.

The invention discloses a water drape lifting appliance for a bicycle frame body. The water drape lifting appliance comprises a bracket, a lifting hook adjusting device and a lifting hook assembly, wherein the bracket is used for bearing and fixing a frame of the lifting hook adjusting device and the lifting hook assembly; the lifting hook adjusting device is arranged at one side of the bracket and is fixedly connected with the bracket; the lifting hook assembly comprises two or more lifting hooks; and each lifting hook comprises a hooking end, each hooking end is of an elastic hook structure with a trumpet-shaped opening, and the relative positions of the two or more lifting hooks are adjusted through the lifting hook adjusting device. The lifting hook assembly is arranged to hang the bicycle frame body, so that an operator is prevented from being in direct contact with the bicycle frame body, a dead angle caused by a water drape is prevented, and the physical health of the operator is prevented from being influenced by long-term direct contact with the water drape and immersion liquid; and in addition, due to the arrangement of the lifting hook adjusting device, the positions of the lifting hooks can be conveniently adjusted in an adaptive manner to meet the hanging requirements of bicycle frame bodies of different specifications.

The invention relates to glass arc forming tempering section equipment which comprises a rolling device, an adjusting device, a first transmission assembly and a plurality of linkage assemblies, wherein the rolling device comprises a plurality of rolling mechanisms arranged side by side, the adjusting device comprises a plurality of adjusting mechanisms, and each adjusting assembly comprises a lead screw, a limiting square block and a lead screw nut. The lead screw is arranged on the rack and penetrates through the limiting square block, the lead screw nut is arranged on the lead screw and located in the limiting square block, the lead screw nut is provided with a limiting protrusion, the limiting square block is provided with a limiting hole corresponding to the limiting protrusion, and the first transmission assembly comprises a plurality of first gears, a plurality of transition supporting pieces and a plurality of first transition gears. Each linkage assembly comprises two linkagepieces, one ends of the two linkage pieces are connected with the transition supporting piece in a pivoted mode and located on the two sides of the transition supporting piece, and the other ends of the two linkage pieces are connected with the adjacent limiting square blocks in a pivoted mode. The opening angle between every two adjacent rolling mechanisms can be synchronously adjusted, the adjusting work difficulty is lowered, and the product percent of pass is increased.

The invention provides an optical cable laying construction vehicle suitable for stony soil, and belongs to the field of telecommunication engineering. The optical cable laying construction vehicle suitable for stony soil comprises a vehicle body, a first wheel, a second wheel, a third wheel and a fourth wheel. The vehicle body comprises a front vehicle body and a rear vehicle body; a first mounting plate is arranged on the front vehicle body, a first support and a second support are rotationally arranged on the first mounting plate, the first wheel and the second wheel are rotationally arranged on the first support and the second support respectively, a second mounting plate is arranged on the rear vehicle body, a third support and a fourth support are rotationally arranged on the secondmounting plate, and the third wheel and the fourth wheel are rotationally arranged on the third support and the fourth support respectively; a primary furrowing coulter is fixed on the front vehicle body, a secondary furrowing coulter is arranged on the rear vehicle body, a wire guide plate is fixed on the secondary furrowing coulter, the upper end of the wire guide plate penetrates out of the upper surface of the rear vehicle body, and a wire guide through hole is vertically formed in the wire guide plate. The optical cable laying device has the advantage that optical cable laying at different depths can be achieved more flexibly according to complex terrains.

The invention discloses a bendable leg supporting device for gynecological examination, which comprises a bottom plate, and cylinders are fixedly mounted at four corners of the top end of the bottom plate. After examination is completed, the surface of the adjusting supporting assembly can be automatically disinfected, the positions where legs are placed can be disinfected, the probability of bacterial virus transmission can be reduced, a disinfectant can be blow-dried when a next patient uses the nursing bed, the drying speed of the disinfectant can be increased, the working efficiency can be improved, and after the patient leaves the bed board, the nursing bed can be used for nursing the patient. Before a next patient is examined, the bed sheet is automatically replaced, so that it is guaranteed that the dry and clean bed sheet is laid on the bed board, the comfort effect of the patient can be improved, infection caused by the fact that germs carried by sweat of the patient make contact with the body of the next patient can be avoided, meanwhile, the bending degree and the opening angle of the legs of the user can be conveniently adjusted, and the patient is more comfortable. And the use requirements are met, and popularization and use are worthy.

The invention provides a large-diameter optical cable direct-buried laying construction vehicle, and belongs to the field of telecommunication engineering. The large-diameter optical cable direct-buried laying construction vehicle comprises a vehicle body and a cab; a first support, a second support, a third support and a fourth support are hinged to the vehicle body, and a first wheel, a second wheel, a third wheel and a fourth wheel are arranged on the first support, the second support, the third support and the fourth support respectively; a wire guide plate is vertically fixed to the lowersurface of the vehicle body, a wire through hole is vertically formed in the wire guide plate, a furrowing coulter is welded to one side face of the wire guide plate, and a primary backfilling deviceis arranged on the lower surface of the vehicle body and located on the side opposite to the blade of the furrowing coulter. The large-diameter optical cable direct-buried laying construction vehiclehas the advantage that ditching, cable laying and backfilling work for direct burying of large-diameter optical cables can be conveniently achieved.

The invention discloses a supercavitation torpedo. The torpedo adopts a gas turbine engine, a steering gear device driven and controlled by a motor, gas nozzles uniformly arranged along the inner circumference of the ventilating bowl wall, and other devices; using a gas turbine as power, it can realize The high-speed movement and ultra-long stroke of the heavy-duty thermal power torpedo can realize the speed change or depth change of the torpedo in a wide range. The front compartment of the present invention is provided with an exhaust gas gathering cabin, so that the exhaust gas produced by the engine is collected here and discharged through the ventilation bowl at the front end, and gas nozzles are evenly distributed on the ventilation bowl, so that the supercavitation formed on the outside of the supercavitation torpedo is more compact. The uniform and stable gas surround makes the supercavitation formed on the outside of the supercavitation torpedo more uniform and stable, thereby greatly reducing the resistance of the torpedo to advance and increasing the speed and range of the torpedo.

The invention provides an improved architectural alloy keel frame, which comprises fixing units, a connecting rod, a limiting frame and limiting units. The invention can solve the problems that an existing keel frame is installed by a large amount of screws and bolts, the large amount of screws and bolts not only cause damage to the structure of the keel frame but are tedious to assemble and disassemble, a large amount of labor of workers is consumed, and the installation cost of a house owner is increased; at the same time, the existing keel frame structure is fixed, a support angle between the keel frames is difficult to adjust according to actual requirements, and the support strength of the keel frame cannot be ensured to be adjusted according to actual use requirements, so that the use range of the keel frame is reduced; after a certain opening angle is adjusted between the existing keel frames, the keel frames are fixed by the bolts, the bolt fixing operation is tedious and inconvenient to adjust the opening angle of the keel frame next time; and an existing buckle type fixing mode is easy to cause the keel frame to open a certain angle to deform, and the opening and use angle of the keel frame is affected and the like.

The invention provides a glaucoma drainage device, and relates to the technical field of ophthalmic medical equipment. A storage cavity is formed in a base; fixing bases are symmetrically inserted into a left port and a right port of the storage cavity; a shaft base is fixedly arranged at the end, located on the outer side of the storage cavity, of each fixing base; an internal thread sleeve is screwed on each shaft base through a bearing; a connecting base is fixedly arranged on the outer side wall of each internal thread sleeve; a kidney-shaped hole is formed in each connecting base; an installing base is arranged in each kidney-shaped hole in a sliding mode; a lead screw is arranged in each kidney-shaped hole; an elastic pipe clamp is fixedly arranged on the side wall, located on the base, of each installing base; and a drainage pipe is movably clamped in each elastic pipe clamp. A frame with the adjustable height and angle is arranged for fixing the drainage pipes, the drainage pipes can be fixed after the frame is adjusted according to the face shape of a user, and therefore a doctor does not need to hold the drainage pipes in the whole process when drainage operation is carried out through the drainage pipes.