49results about How to "Improve the force effect" patented technology

The invention relates to a dual-purpose three-claw puller. The upper surface of a cylinder body of a hydraulic oil cylinder device is fixedly connected with a rotary pressurization device through a supporting frame, the lateral surface of the upper portion of the cylinder body is movably connected with a pulling claw device, the lower portion of the cylinder body is in threaded connection with a bearing assembly, and a claw hook rod of the pulling claw device is provided with a claw hook device. According to the dual-purpose three-claw puller, a rocking rod can be hinged to different positioning holes according to the tightness of a fastener, and therefore the stroke and speed of a pressurization rod when a wheel hub rotates by one circle are changed, and the force application effect is improved. The opening and closing angle of a puller hook claw can be accurately adjusted and fixed through the bearing assembly and will not change along with the change of the angle of a work space, and then the fastener can be detached vertically or horizontally. A claw hook seat and the fastener keep surface contact all the time through a limiting spring, the stress surface is increased, damage to the contact surfaces of the claw hook seat and the fastener caused by linear contact or point contact is avoided, the fastener on a shaft and a clutch assembly can be detached by replacing different ejection pins, and the dual-purpose three-claw puller is wide in application range.

The invention relates to a safe device for relieving constipation. The device comprises a frame composed of a fixed mount plate with a shaft load hole and a mount hole thereon, a pulling arm with a shaft load hole, an assembly hole and a fixed mount hole thereon, a bent support rod with an assembly hole thereon, and an intermediate connecting arm positioned between the pulling arm and the support rod; and a tension member composed of a tension ring assembly and a handle. The tension ring assembly comprises a joint mount seat, a tension spring, a transition joint ring, a cord belt and a hoisting ring. The fixed mount plate is fixedly arranged on the wall behind the toilet and is connected with the pulling arm in a shaft-mounted manner. The tension ring assembly and the handle are selectively arranged on one side below or above the front end of the pulling arm according to the actual demand. By holding the hoisting ring by both hands or holding the handle by both hands, the user can pull or stretch the body upwards to unfold the abdomen, and then hold his breath and exert a force downwards to evacuate the blocked stools. The device facilitates the evacuation in the constipated patients with safety and relaxation, prevents various accidents from happening, and has good practicability and market prospect.

The invention discloses a sending device for a material pneumatic conveying system. The sending device comprises a machine frame, wherein a sending station is arranged in the machine frame; the sending station is provided with a vertical sending pipeline for communicating with a pneumatic conveying pipeline; a sample feeding notch is formed in the side wall of the lower end of the sending pipelineso that an object to be conveyed can be placed at the sending station; and a sample feeding door matched with the sample feeding notch is further arranged, so that the sample feeding notch is sealedafter the sample feeding door is closed so as to carry out pneumatic sending. The sending device for the material pneumatic conveying system has the advantages of being simple and compact in structure, convenient and flexible to operate, high in working efficiency and intelligent degree.

The invention provides an industrial manipulator rotating type base plate device. The device comprises a support rod, a fixed ring, a large gear, a base plate, a motor, a pinion, a linear actuator, aconnecting plate, a moving plate, a supporting plate and a spring. The support rod is assembled on the base plate, the fixed ring and the large gear are arranged on the support rod, the large gear isinstalled at the lower end of the fixed ring, the base plate is assembled at the lower end of the large gear, the pinion is arranged at the right end of the large gear, and the motor is installed at the lower end of the pinion. Accordingly, the rotating effect is improved, the connecting plate is assembled at the right end of the linear actuator, the spring is arranged on the top inside the connecting plate, the moving plate is connected to the lower end of the spring, the supporting plate is fixed to the lower end face of the moving plate, the supporting area is enlarged, the device is convenient to use and operate, the rotating effect is improved, and the stressed area is enlarged.

A handle comprises a body, a base and a support body. The body comprises a main body part, a handrail part and two connecting parts. The main body part is connected with the handrail part and the two connecting parts. A handholding space is formed between the main body part and the handrail part. The two connecting parts are located on the two sides of the main body part correspondingly. A through hole is formed in the main body part. The base comprises a mounting plate and four fastening pieces. The mounting plate is provided with four mounting holes and a perforated hole. The fastening pieces are matched with the mounting holes in a one-to-one correspondence mode. The mounting plate is provided with two connecting positions connected with the two connecting parts correspondingly. The support body comprises a limit block, a support post and a magnetic block. The limit block is connected with the support post. The support post is connected with the magnetic block magnetically. The limit block is located in the handholding space. The support post slidably penetrates through the through hole. According to the handle, magnetic force is ingeniously utilized for enabling a door body to be tightly attached to an external object; and meanwhile, the structure design is novel, use is convenient, the force applying effect is good, the handholding effect is good, and the practicability is high.

The invention discloses a water conservancy construction pipeline outer surface rust removal device and a using method thereof, and relates to the technical field of pipeline outer surface rust removal devices. The grinding effect is improved. The device comprises two hoop-shaped mounting frames which are symmetrically arranged, the two hoop-shaped mounting frames are mounted and fixed through connecting bolts, supporting mechanisms are arranged on the two sides of each hoop-shaped mounting frame, and a grinding mechanism is arranged on the inner side of each hoop-shaped mounting frame. The method comprises the following steps that a user places the two hoop-shaped mounting frames on the outer side of a pipeline, and the two hoop-shaped mounting frames are connected and fixed through connecting bolts. Through arrangement of the hoop-shaped mounting frames, the cylindrical polishing part, the elastic rope, the handle and other structures, the elastic rope can be repeatedly dragged through the handle, the sliding base is pulled to slide back and forth along the surface of the arc-shaped guide rod under the elastic cooperation of the elastic rope, and the pipeline is polished through the cylindrical polishing part; and since thegrinding track of the cylindrical grinding part is curved, the device can better adapt to the pipeline surface, and the grinding efficiency and the grinding effect are improved.

The invention belongs to the technical field of robot control, and provides a mobile operation mechanical arm tail end force application control method and system. The total expected motion trail of a mobile operation mechanical arm is decomposed into a mobile chassis expected motion trail and a mechanical arm expected motion trail; whether the expected movement is transferred to the movable chassis to be controlled or not is judged by comparing the expected movement with a preset working space in a movement track parameter library, and the interaction condition of the movable chassis and the mechanical arm is considered; meanwhile, on the premise that a first control target of expected movement of the end effector of the mechanical arm is completed, the position of the end effector of the mechanical arm is controlled and adjusted through a Cartesian space, then the direction of the mechanical arm is controlled through a null space, the direction operability of the mechanical arm is improved, and a second control target of the force application capacity of the mechanical arm is completed; the force application capacity of the tail end of the mechanical arm is improved, and the tracking precision of the tail end of the mechanical arm is improved.

The invention discloses a combined windshield wiper which comprises a main support, at least one auxiliary support and at least one secondary support. At least one fastener is arranged on each auxiliary support and pivotally connected onto the main support, each secondary support corresponds to one fastener and is provided with a positioning portion, and the positioning portions of the secondary supports are pivotally connected onto the fasteners. The combined windshield wiper is simple to assemble and can keep a good force application effect on glass.

The invention discloses a sending device for a pneumatic material conveying system. The sending device comprises a rack, and a placing station and a sending station are arranged on the rack. A vertical sending pipeline is arranged at the sending station and is used for communicating with a pneumatic transmission pipeline, and a sample sending gap is formed in the side wall of the lower end part of the sending pipeline. A sample sending and moving mechanism is arranged at the placing station and is used for moving a material to be conveyed on the placing station into the sending pipeline through the sample sending gap so as for pneumatic sending. The sending device has the advantages of simple and compact structure, convenient and flexible operation, high working efficiency and high degree of intelligence.

The invention provides a spanner holding covering structure, comprising a tool body which is provided with at least one driving part and leading a holding section with leather material to be coated outside the tool body in order to be convenient for holding and provide protection; the head of the driving part can be an opening throw part, a closing throw part, a movable throw part, a ratchet throw part or a sleeve joint throw part. By virtue of the covering structure of the holding section, the user is indirectly contacted with the tool body, thus increasing the friction force when holding, reducing the harm to the hand caused by the reaction force, and avoiding the physical harms such as frostbite, scald, electrical trauma, etc. The invention has the advantages of good forcing effect of spanner, being suitable for all different ambient environments and providing safe protection effect for the user.

The invention relates to a camera support with telescopic clamping portions. The camera support with the telescopic clamping portions comprises a first base body and a second base body. The rear end of the first base body and the rear end of the second base body are respectively provided with a directional portion and one clamping portion. A middle shaft is arranged between the first base body and the second base body. The first base body and the second base body are connected to the middle shaft in a hinged mode. A torsion spring is arranged on the middle shaft in a sleeved mode. The rear portion of the first base body and the rear portion of the second base body are pulled close through the torsion spring. A carrying platform is arranged on the upper portion of the first base body. A groove is formed in the middle of each directional portion. A rotating disk is arranged at one end of each clamping portion. The rotating disk is connected into the groove in a hinged mode. A lower toothed disk is arranged on the upper end face of the rotating disk. The upper toothed disk and the lower toothed disk are matched with each other. The upper toothed disk has the locating function on the lower toothed disk, the included angle between the clamping portion and the carrying platform holding a shooting tool can be flexibly adjusted, the flexibility of shooting is improved, and the shooting angle is convenient to adjust; due to the fact that the telescopic structure is adopted by the clamping portion, clamping is carried out conveniently through the clamping portion, and the application range of the camera support is widened.

The invention discloses a liver and gallbladder pancreatic duct fixing device with a multidirectional adjusting function. The device comprises a positioning plate, and the bottom surface of the positioning plate is movably connected with an adsorption device. The invention relates to the field of medical equipment. According to the liver and gallbladder pancreatic duct fixing device with the multidirectional adjusting function and the using method thereof, liver and gallbladder pancreatic ducts with different pipe diameters can be bound and fixed through a limiting device, the surface contactand force application effects are better, bending deformation of the inner diameter of the duct is not prone to being affected, the problem of fluid transmission blockage is avoided, the orientation adjusting range of the device is wider through a telescopic sleeve and a telescopic rod, the adsorption effect of a suction cup film is enhanced through the threaded effect between a column head and ashifting ring, the problems of equipment disengagement and potential movement are effectively avoided, and the problems that an existing device is difficult to adapt to the ducts with different pipe diameters, bending deformation of the ducts is easily caused during fixing, the circulation effect of the ducts is affected, the potential adjusting range of the device is narrow, and the fixing effectof the device is not ideal are solved.

The invention relates to a voice-control intelligent bed moving and lifting device which comprises a movable lifting mechanism arranged in the middles of a bed body and a bed board, and two guiding and supporting mechanisms arranged on two sides of the bed body and the bed board. The movable lifting mechanism comprises two support rods perpendicularly and fixedly connected to two ends of the middle of the bed board, and a support guide rail fixedly connected to the middle of the bed body; drive shaft support plates are fixedly connected to two ends and the middle part of the support guide rail; two sections of transmission shafts are rotatably arranged above the drive shaft support plates and are connected through an electromagnetic clutch; two corresponding positioning rods are hinged totwo sides of the two support rods in an outward inclined way; corresponding movable support blocks are downwards hinged to one ends, not hinged to the support rods, of the positioning rods; the upperpart of each movable support block can be movably arranged on a corresponding drive screw thread of each transmission shaft through a threaded connection manner; and the bottom parts of the movable support blocks are movably arranged on the support guide rail through corresponding guide slots.

The invention discloses an anti-jam indicating plate for a highway. The anti-jam indicating plate for the highway comprises a box. The left side of the box is fixedly connected with a support column.The right side of the box is provided with a through hole communicated with the inner wall of the right side. The right side of the box is provided with two symmetrical protecting holes communicated with the inner wall of the right side of the box. The inner wall of the left side of the box is fixedly connected with a flexible spring. The anti-jam indicating plate for the highway is capable of, through installing a driving gear block and a transmission gear block, achieving the effect of picking up the indicating plate by using an impact force of heavy rain and hailstone in severe weather of the heavy rain and the hailstone, and through installing a driven gear plate and a buffering plate, achieving the effect of shielding and protecting the indicating plate, picking up and protecting theindicating plate through using the impact force of the heavy rain and the hailstone, achieving the effect of protecting the indicating plate in the severe weather so that the indicating plate is not damaged, and achieving the effect of improving service life of the indicating plate through protecting the indicating plate in the severe weather, thereby achieving the effect of conveniently and continuously performing indicating work on the highway for a long time.

A door handle structure comprises a body, a base and a supporting body. The body comprises a main body part, a handrail part and two connecting parts, wherein the main body part is connected with the handrail part and the two connecting parts, a holding space is formed between the main body part and the handrail part, the two connecting parts are located on the two sides of the main body part correspondingly, and the main body part is provided with a through hole. The base comprises a mounting plate and four fasteners, wherein the mounting plate is provided with four mounting holes and a penetrating opening, and the fasteners are in one-to-one correspondence to the mounting holes; and the mounting plate is provided with two connecting portions which correspond to the two connecting parts. The supporting body comprises a limiting block, a supporting column and a magnet. The main body part is further provided with an accommodating groove which communicates with the holding space, and the accommodating groove is matched with the limiting block in shape. According to the door handle structure, a door body is made to be tightly attached to an external object by ingeniously utilizing magnetic force, and meanwhile the door handle structure is novel in structure design, convenient to use, good in force applying effect, good in holding effect and high in practicability; and through the accommodating groove formed in the main body part, the supporting effect of the supporting column is improved.

The invention discloses a pole tower anti-falling equipment installation robot and an installation method. The robot includes: an environment sensing unit for collecting environmental data of the robot and sending the environment data to a central control unit; the central control unit is connected to the environment sensing unit Coupling, used to generate climbing control instructions and installation control instructions according to the received environmental data; drive control unit, coupled with the central control unit, used to control the climbing structure of the robot according to the climbing control instructions sent by the central control unit The pole climbing tower; the anti-fall equipment installation unit, coupled with the central control unit, is used to control the installation mechanism set on the robot to install the anti-fall equipment on the pole tower according to the installation control command sent by the central control unit. The climbing control instruction generated according to the environment data is used to control the robot to climb the pole tower, and the anti-fall equipment is installed on the pole tower according to the generated installation control instruction, which improves the installation safety and installation efficiency of the anti-fall equipment.

The invention relates to a method for improving the mechanical properties of an amorphous endogenous composite material through recovery of an amorphous matrix structure, and belongs to the field of amorphous alloys and endogenous composite materials. The microstructure characteristics of this kind of amorphous endogenous composite material are: the endogenous crystalline phase with reversible phase transition is distributed in the amorphous matrix. Under tensile loading, such amorphous endogenous composites exhibit superelasticity, i.e. complete shape recovery after small strain unloading. Through tensile cyclic loading at small strains, the amorphous matrix phase in the amorphous endogenous composites undergoes structural recovery driven by the "shape memory effect". The structurally restored amorphous matrix can lead to a significant improvement in the mechanical properties of amorphous endogenous composites, including improved tensile plasticity and prolonged work-hardening stages. This method can improve the mechanical properties of the amorphous endogenous composite material, and then expand its practical application as a structural material, which has important social and economic benefits.

The present application relates to a method for determining the scavenging activation working condition of a supercharged direct injection engine, and relates to the field of engine control. This determination method includes firstly determining the scavenging request working condition of the supercharged direct injection engine, and secondly determining the scavenging allowable working condition of the supercharged direct injection engine. If the supercharged direct injection engine only meets one of the scavenging request conditions or the scavenging allowable conditions, the supercharged direct injection engine will be further judged. Whether the corresponding process control is within the control of the scavenging activation condition, if so, activate the supercharged direct injection engine for at least the first preset time T1 and then exit the scavenging activation condition, if not, then activate the supercharged direct injection engine The engine immediately exits the scavenging request mode. The determination method provided in the present application solves the problem of excessive discharge and exhaust temperature caused by unreasonable scavenging in the related art.

The invention discloses a foldable flexible lifting mechanism of a vehicle body correcting machine. The lifting mechanism comprises a rear lower arm, a rear upper arm, a front lower arm, a front upper arm, a parallelogram leveling mechanism, a rear oil cylinder and a front oil cylinder, wherein the rear lower arm and the rear upper arm are hinged with eawch other and have the same length; the front lower arm and the front upper arm are hinged with each other and have the same length; the distance from a hinged point of the leveling rod and the rear upper arm to a hinged point of the leveling rod and a platform is equal to that from the hinged point of the leveling rod and the rear upper arm to a hinged point of the rear upper arm and the platform; the rear oil cylinder and the front oil cylinder have the same working stroke and initial and final setting positions of the working stroke, work at the same speed and drive the platform to lift through a lever arm and front and rear upper support arms. By adopting the arrangement of the foldable support arms, not only can rigid fixed-point vertical lifting be achieved, but also flexible low-position tilt descending can be achieved.

The invention relates to a determination method for a scavenging activation working condition of a turbo charged direct injection engine, and relates to the field of engine control. The determinationmethod comprises the steps that firstly, a scavenging request working condition of the turbo charged direct injection engine is determined, secondly, a scavenging permission working condition of the turbo charged direct injection engine is determined, if the turbo charged direct injection engine meets the scavenging request working condition and the scavenging permission working condition at the same time, the turbo charged direct injection engine is immediately activated to enter the scavenging activation working condition, if the turbo charged direct injection engine only meets one of the scavenging request working condition and the scavenging permission working condition, whether corresponding process control of the turbo charged direct injection engine is within control of the scavenging activation working condition or not is further judged, if yes, the turbo charged direct injection engine exits the scavenging activation working condition after being activated for at least a firstpreset time T1, and if not, the turbo charged direct injection engine immediately exits the scavenging request working condition. According to the determination method, the problems of too much emissions and excessive exhaust temperature caused by unreasonable scavenging in related technologies are solved.

The invention provides a quadruped robot for obtaining spatial three-dimensional data, which includes a fuselage, two parts in the front and rear of the fuselage range, hinged in the middle through a steering hinge, and performs horizontal plane connection angle rotation, and the front fuselage part is provided with data The sales mechanism, the data collection mechanism and the fuselage are hinged to rotate the angle of the horizontal and vertical planes. It is characterized in that the four corners of the fuselage are distributed between the wheeled state and the bionic footed state by changing the connection angle of the connecting rod and the arc. The movement mechanism, the movement mechanism includes the arc assembly that drives the caster wheel through two sets of rotating shafts and the motor at the same time, and the arc assembly of the caster wheel is driven by the differential motion between the two sets of motors to move and deform, realizing the wheel structure to the foot structure The stepless adjustment between them is suitable for various ground environments, and has the applicability and good development prospects of tube rice.

The invention provides a multi-fulcrum vest bag and a preparation method thereof. The multi-fulcrum vest bag comprises a bag body, first handles and elastic cords. The first handles are arranged on the two sides of the upper end of the bag body, the elastic cords are arranged on the upper portions of the front and rear ends in the bag body, and at least two second handles are movably installed on the elastic cords; and soft cushions are arranged at the upper ends of the inner sides of the second handles, sleeves are arranged at the two ends of the bottoms of the second handles, and the sleeves are movably arranged on the elastic cords in a sleeving mode. The second handles are movably installed through the elastic cords, the second handles are moved to the center of the bag body, when an object is hung and contained, multi-fulcrum stress can be achieved, the middle position and the two ends of the bag body are kept on the same horizontal plane, and the object is not prone to falling out; and when the bag is carried in daily life, the second handles can be moved to the first handles, the stress effect of the handles at the two ends is improved, hand bridling is avoided under the action of the soft cushions, and carrying is more comfortable.

The invention relates to the technical field of tunnel construction, and provides a construction method for a karst tunnel to penetrate through a deep gravel soil layer, and the tunnel is excavated by adopting a three-step reserved core soil temporary inverted arch method. According to the construction method provided by the invention, by properly increasing the excavation height in the excavation process, on one hand, the bonding and meshing area of the side wall support and the surrounding rock can be increased, so that the vertical resistance of the support is improved; and on the other hand, by increasing the rise span ratio, the stress effect of the support can be improved, and the support effect can be fully exerted. Meanwhile, by adopting the construction means of double-layer preliminary bracing, the bracing effect of the preliminary bracing and the stability of the preliminary bracing structure can be further improved, and it is guaranteed that the construction process is conducted safely and reliably.

The present invention belongs to the technical field of surveying and mapping, especially a three-dimensional terrain auxiliary surveying and mapping device for cities. Aiming at the problem that the existing devices are relatively dangerous, the following scheme is proposed, including a workbench, and two support rods are arranged symmetrically on both sides of the workbench , the bottom of the support rod is fixed with two inner rods, the bottom of the inner rod is covered with an outer tube, the top of the workbench is provided with a second chute, the second chute is slidably connected with a second slider, and the top of the second slider The mounting plate is welded, the mounting plate and the second slider are threaded through the same first screw, the bottom of the front end of the workbench is provided with a notch, two fourth sliders are symmetrically fixed on both sides of the notch, and two fourth A crowbar is arranged between the slide blocks. In the present invention, the crowbar is adjusted to a suitable position for exerting force, and the crowbar is moved up and down intermittently. Under the action of the first spring, the limiting mechanism generates vibration forces of different frequencies on the well cover, so that the vibration force and the well cover resonate. Thereby prying the manhole cover loose.

The invention discloses a device for ceramic part casting. The device for ceramic part casting structurally comprises an exhaust pipeline, a buckle clamping plate, a material paving pressing block, awater injecting tank, a discharging inclined groove, a pulling rod square groove, a supporting table base, a reverse supercharging casting box, a foldable support and a base block; the water injectiontank is inserted and embedded in the upper left corner of the reverse supercharging casting box and communicates with the upper left corner of the reverse supercharging casting box; and the bottom face of the material paving pressing block is closely attached to the top face of the reverse supercharging casting box. According to the device, the reverse supercharging casting box is provided with arod piece support, an internal combustion cylinder device, a spring push frame, a reverse supercharging mechanism, a rotating device, a traction mechanism, a pressure drop groove base and a fan device, the force unloading reverse supercharging effect of the device for ceramic part casting is achieved, the space position of ceramic parts is improved, buffered force unloading is achieved due to left-right clamping, upward reverse supercharging casting molding is achieved, the probability of cracking is lowered, and therefore the labor consumed during later period repairing of cracks is lowered,the production efficiency and quality are improved, pressure is pushed into ceramic better to make the ceramic solidify, and the force dispersing effect on the counter-acting force is improved.

The invention discloses a large-thickness profile steel straightening machine. The straightening machine comprises a machine base, wherein at least two straightening base mounting rods are mounted onthe machine base, two straightening bases are jointly mounted on the straightening base mounting rods, a primary straightening supporting roller is rotationally installed on one straightening base mounting rod, primary straightening pressing devices are arranged on the two straightening bases respectively, a re-straightening supporting shaft is rotationally installed on the machine base, a re-straightening supporting roller is fixedly installed on the re-straightening supporting shaft, a re-straightening feeding driver is arranged between the re-straightening supporting shaft and the machine base, the primary straightening supporting roller is connected with a primary straightening feeding driver, and a re-straightening pressing device is arranged on each straightening base. According to the straightening machine, acting force is transmitted without passing through the machine base, the bending moment effect borne by a structural part can be obviously reduced through the structural compactness, the strength of the structural part is amplified, meanwhile, influences caused by insufficient strength of some connecting structures are reduced, the force application effect is better, andlarge-thickness profile steel straightening can be achieved.

The invention discloses an anti-seismic support and hanger structure assembly used for electromechanical equipment mounting, and relates to the technical field of electromechanical equipment mounting,in particular to an anti-seismic support and hanger structure assembly used for electromechanical equipment mounting. The assembly comprises a main connecting body and sliding body limiting bolts, and the outer side of the main connecting body is connected with first connecting pieces; and first hook threaded bodies are arranged in the first connecting pieces, a clamping beam is connected to theinner surfaces of connecting sleeve bodies, adjusting holes are formed in the top of the clamping beam, penetrating threaded rods are arranged in the adjusting holes, a supporting beam is arranged below the clamping beam, sliding grooves are formed in the top and bottom of the supporting beam, sliding bodies are connected in the sliding grooves, mounting pieces are fixed to the upper portions of the sliding bodies, and the sliding body limiting bolts are located in the sliding bodies. The anti-seismic support and hanger structure assembly is provided with the mounting pieces, the sliding mounting pieces can be adjusted according to the size of an object, the device and the object are convenient to mount, and therefore mounting is convenient.

The invention discloses an infusion cap screwing device used for a genetic engineering preparation processing production line. The infusion cap screwing device comprises an upper sleeve box, a conveying table, a lower containing cabinet, a lifting seat, a preparation injection disc and clamping and supporting tables. The upper sleeve box is of a hollow cuboid structure, and the conveying table ishorizontally arranged below the middle portion of the upper sleeve box. The conveying table and the upper sleeve box are arranged in a penetrating manner. The infusion cap screwing device has the beneficial effects that a third motor is used for driving three clamping pieces to clamp the side wall of a bottle cap of a preparation containing bottle through a swing shaft, the cap is screwed in a rotating manner, the preparation containing bottle is sealed, the device can screw and seal the bottle cap immediately after preparation injection of the preparation containing bottle is conducted, the work efficiency of the device is improved, the phenomenon that after preparation injection, in the process that the preparation containing bottle is transferred to the cap screwing device, the preparation is spilled out from a bottle body or the preparation in the bottle body is volatized is avoided, it is ensured that the genetic engineering preparation is injected more sufficiently, and sprinkling waste is avoided; and in addition, the three clamping pieces are distributed in an arc manner, the force applying effect of the clamping pieces on the bottle cap is higher, the cap screwing efficiency is higher, and the quality is better.