186results about How to "Improve reset effect" patented technology

The invention belongs to metal plates bent linearly, and particularly discloses a plate rolling machine with the welding function. The plate rolling machine comprises a rack, an upper roll, a lower roll, an edge roll and a power source used for driving the upper roll to rotate. The upper roll, the lower roll and the edge roll are all rotationally connected to the rack. A lifting frame, a clamping unit, a hydraulic cylinder, a weld gun and a sliding rail are further included. The lifting frame is arranged on the sliding rail in a sliding manner. The weld gun is hinged to the lifting frame. The hydraulic cylinder is fixed to the lifting frame, and an output shaft of the hydraulic cylinder is hinged to the weld gun. The clamping unit comprises an elastic piece, an electromagnet and a clamping plate attracted with the electromagnet. The electromagnet and the clamping plate are in an arc shape. The electromagnet is fixed to the rack. One end of the elastic piece is connected to the rack, and the other end of the elastic piece is connected to the clamping plate. Compared with a traditional plate rolling machine, according to the scheme, a rolled plate does not need to be taken down, and can be fixed after a power source of the electromagnet is connected, operation is easy, and work efficiency is high.

The invention provides a shock insulation rubber support which comprises a base plate (1) and a top plate (2). A rubber pad (3), a middle steel linear plate (4), a polyfluortetraethylene plate (5) and a stainless steel sliding plate (6) are arranged between the base plate (1) and the top plate (2). The base plate (1) and the top plate (2) are connected through horizontal lead rods (702). The top plate (2) is connected with the middle steel linear plate (4) through vertical lead rods (701). Reset springs (9) are further arranged between the middle steel linear plate (4) and the top plate (2). When vertical tensile force and transverse shear force are generated under the action of earthquake, the horizontal lead rods between the base plate and the top plate can offset the vertical tensile force and part of the transverse shear force on the basis of maintaining integrality of the support to limit the vertical displacement. The vertical lead rods arranged between the top plate and the middle steel linear plate can offset part of the shear force and can reduce influence of vibration on a bridge on the upper portion of the support due to the fact that shearing deformation of the lead rods need to consume energy.

The invention relates to a stress sensing switch, comprising a stress transmission device, a contact switch and a housing device, wherein, the stress transmission device comprises a first spring, a second spring and a step shaft provided with a second switch contact; the housing device comprises a shaft sleeve provided with an internal shoulder and a shaft tube connected with the shaft sleeve through one end; the step shaft is inserted into the shaft sleeve and the shaft tube; the first spring is sheathed between a first step face and a second step face of the step shaft; one end of the first spring is pressed against the internal shoulder of the shaft sleeve, while the other end of the first spring is pressed against the first step face; the contact switch is arranged inside the shaft sleeve fixedly and is provided with a stopper; one end of the second spring is pressed against the stopping face of the stopper, while the other end of the second spring is pressed against the second step face; the step shaft is also provided with a stopping block which is pressed against the upper end face of the shaft sleeve. Compared with the prior art, the sensing switch of the invention has a more compact structure an smaller volume, can detect and control the size of the external force, and can restore when on force is applied, thereby improving the reliability of the sensing of the external force.

The invention relates to a sickbed, in particular to a special sickbed for patients suffering from vomiting. The special sickbed for the patients suffering from vomiting aims at achieving the technical purposes that vomit can be collected and disposed, correspondingly no one needs to clean the vomit, and the surrounding environment is not influenced. According to the technical scheme, the specialbed for the patients suffering from vomiting comprises a bed board, supporting legs, an L-shaped rod, a vertical rod, an arc-shaped block, a fixing plate, a guide rod, a guide sleeve and the like; thesupporting legs are symmetrically mounted on the left and right sides of the bottom of the bed board, a through groove is formed in the right side of the bottom of the bed board, a groove is formed in the right side of the top of the bed board, and a through hole is formed in the right side of the bottom of the bed board, located below the groove and communicated with the groove. A flushing device can not only collect the vomit but also disinfect a collecting pot, so that convenience is provided for people to dispose the vomit; tissues can be placed through a placement device, correspondinglymore convenience is provided for the patients to use the tissues, and the effects are achieved that vomit can be collected and disposed, correspondingly no one needs to clean the vomit, and the surrounding environment is not influenced.

The invention relates to a self-restoration concrete frame column sliding node. The self-restoration concrete frame column sliding node is composed of members of a concrete frame beam column, an upperreset steel plate, a lower reset steel plate, a rubber plate, angle iron, a viscous damper and the like. The column is separated by the reset steel plates at the node, the four sides of the column atthe node are connected with a girder through the angle iron, a long-strip-shaped hole is formed in the angle iron, the angle iron is connected with the concrete frame beam column through a pressure-bearing high-intensity bolt, during normal use, it is guaranteed that the members jointly work as a whole, the size of adjusting holes can control that the column is sideway instead of swinging duringan earthquake, a rectangular pyramid is adopted by the surface occlusion shape of the upper reset steel plate and the lower reset steel plate, when the column is sideway, the contact surface area canstill meet the requirement, the viscous damper is arranged between the angle iron and the girder, thus the energy can be consumed during the earthquake, and the angle iron and the girder can completecolumn restoration with dead weight.

The invention relates to the technical field of steel structure rooms, and in particular relates to a sinking restoration structure for a steel structure room and a restoration method thereof. The sinking restoration structure for the steel structure room includes a steel column as the support body of the steel structure room, the steel column includes cross columns and a longitudinal column, the steel column is fixed on the column bottom plate which is rectangular in shape, the column bottom plate is arranged on the column base, the column base includes a central area positioned right below the column bottom plate and an extending area positioned at the periphery of the center area, a restoration jacking device is arranged above the extending area, a jacking traction leg is arranged at the upper end of the restoration jacking device, the jacking traction leg is also fixedly connected with the steel column, foundation bolts are arranged on the column bottom plate, plumb bobs are arranged at intervals at the middle parts of the cross and longitudinal columns in vertical direction, and a dial indicator is connected with the jacking reaction leg. According to the sinking restoration structure, the restoration method that the restoration jacking device is used for driving the steel column by the jacking traction leg to move upwards, thus being firm and stable in structure, conductive to restoring after the steel structure room sunk, low in cost, simple in technology and good in restoration effect.

The invention relates to a fabricated type self-resetting frame system capable of recovering functions, and belongs to the field of structural engineering. The fabricated type self-resetting frame system is composed of two square steel columns with cantilever beam sections, an I-shaped beam section, a group of self-resetting devices and two groups of connecting devices. According to the fabricatedtype self-resetting frame system capable of recovering the functions, welding parts of the connecting devices are finished in a factory, the welding precision and quality are easy to control, and theconstruction speed and quality are improved; lower flange outer covering plates are arranged in an outer covering plate mode, can be used as supports of the beam sections in the installing process and have good performance visibility and replacement decidability; the self-resetting devices can ensure a predetermined performance design purpose of the capacity of structural earthquake energy dissipation and reduces the post-earthquake repairing cost; and through the targeted design, the damage position of a structure occurs to energy dissipation components such as high-strength bolts and connecting plates which are easy to replace under the action of earthquake loads, post-earthquake repairing is convenient, and the fabricated type self-resetting frame system is suitable for the developmentrequirements of a fabricated steel structure capable of recovering the functions.

The invention relates to a control rod steering reset structure of an electric balance car. The technical problem that control rod steering reset of an existing electric balance car is low in accuracy is solved. The structure is arranged between a pedal seat and a control rod of the electric balance car, and comprises a rotary shaft which is arranged on the lower portion of the control rod and can rotate along with swing of the control rod, the rotary shaft and the pedal seat are rotationally connected, and when the control rod does not bear exogenic action, the control rod is kept in the middle. An elastic sheet is arranged in the pedal seat, when the control rod swings and drives the rotary shaft to rotate in any direction accordingly, the elastic sheet can be driven by the rotary shaft to deform, and therefore the rotary shaft has a reverse rotating trend, and the end of the elastic sheet is located on the outer side of the rotary shaft. The control rod steering reset structure has the advantages that the control rod steering reset structure is simple and reasonable, good in stability and good in reset effect, capable of ensuring that the control rod can be reset to the middle position accurately in time and convenient to mount and demount; the elastic sheet is made from a manganese steel sheet, and enough elastic force can be provided.

The invention discloses a power-on reset circuit applied to a high-speed protocol processor chip. The power-on reset circuit comprises a power source end and a reset control circuit. The reset control circuit comprises a voltage detecting module and a reset control module. The voltage detecting module is used for monitoring the power source voltage of the power source end in real time. The reset control module is used for starting reset action when the power source voltage is smaller than or equal to a first voltage threshold value, and stopping the reset action when the power source voltage is larger than or equal to a second voltage threshold value. It is clear that the power source voltage of the power source end is detected and compared with the first voltage threshold value and the second voltage threshold value, reset starting or reset stop are controlled through the comparison result, and due to the fact that the power-on reset circuit does not depend on an external capacitor, a very good reset effect and secondary reset effect are achieved in the fast power-off and power-on process, and reset reliability is improved.

The invention provides a pelvic fracture closed reduction combination tool, and belongs to the field of pelvic fracture percutaneous reduction tools. The tool is characterized by comprising an indirect reduction mechanism and a direct reduction mechanism. The indirect reduction mechanism comprises a connecting rod (1) and a plurality of groups of chuck assemblies (2) installed on the connecting rod (1). After fracture reduction, the connecting rod (1) is effectively fixed and connected integrally with the direct reduction mechanism through a connecting mechanism. The direct reduction mechanism comprise a cross rod (8) connected with the connecting mechanism, and a vertical tubes (9) installed on the cross rod (8) through a connecting chuck, and the direct reduction mechanism performs distraction reduction and compression fixation on deep fracture. The tool effectively solves problems of reduction maintenance in closed reduction and percutaneous fixation existed in pelvic fracture minimally invasive therapy aspect. The tool can realize accurate reduction state and maintain the reduction, and can carry out percutaneous puncture intramedullary screw fixation, and reduction effect and operation efficiency are improved.

The invention provides a cheekbone positioning fixing apparatus, which comprises two forceps bodies consisting of forceps handles and forceps heads. The two forceps bodies are connected in a crossed manner via a hinge pin, a finger ring hole and a fixing clamping tooth are arranged at the rear end of each forceps handle, the fixing clamping teeth on the two forceps handles match mutually, claw hooks are arranged at the front ends of the two forceps heads, the plane with the claw hooks is perpendicular to a plane with the forceps handles, a plane with mouths of the claw hooks is parallel to the plane with the forceps handles, a conical groove is arranged on the inner side surface of each claw hook along the length direction of the claw hook, and the grooves on the inner side surfaces of the two claw hooks correspond to each other. The cheekbone positioning fixing apparatus is firm in clamping, cannot slip, guarantees surgery quality, shortens surgery time, can well realize that a bone stump of a cheekbone after a part of the cheekbone is cut off is fixed stably and reliable in the facial contouring industry, can utilize absorbent threads or nylon threads to replace steel wires for fixation or miniature titanium steel plate screws for fixation, and eliminates the drawback that metal foreign bodies are remained in the face of a patient forever.

The invention relates to a pelvis/lower limb traction reduction bed and a multifunctional traction reduction system. The pelvis/lower limb traction reduction bed comprises a bed board, a first lifting compensation device and a second lifting compensation device, the first lifting compensation device is connected to the position below one end of the bed board through a first connecting piece, the second lifting compensation device is connected to the position below the other end of the bed board through a second connecting piece, the top end of the first connecting piece is fixedly connected to the bottom surface of the bed board, the first connecting piece slides in the long side length of the bed board relative to the first lifting compensation device, the top end of the second connecting piece is connected to the bottom surface of the bed board, the second connecting piece rotates relative to the second lifting compensation device, and the bed board ascends or descends under control of the first lifting compensation device and the second lifting compensation device, or one end of the bed board rotates and inclines around the other end. The pelvis/lower limb traction reduction bed is simple in structure, good in traction reduction effect, high in efficiency and capable of achieving good reduction treatment of the pelvis/lower limb or other parts of a patient.

The invention relates to a self-resetting shock absorber for automobiles, which includes a working cylinder assembly and a piston rod assembly. The working cylinder assembly includes an oil storage cylinder assembly and an inner working cylinder. The inside of the working cylinder assembly is filled with hydraulic oil. An air bag is arranged between the working cylinders, and the air bag is sleeved on the outer peripheral surface of the inner working cylinder along the axial direction. The rod assembly is set inside the inner working cylinder, the piston rod assembly includes the piston rod, and the piston rod is sleeved with a guider, a first positioning sleeve, a second positioning sleeve and a recovery valve assembly from left to right. One positioning sleeve is fixed to the inner wall of the inner working cylinder with interference, and the second positioning sleeve can slide left and right along the inner working cylinder. The invention has a simple structure and can realize the self-resetting of the automobile shock absorber. handling and driving stability.

The invention belongs to the technical field of crane tools, and particularly relates to a dynamic braking device of a crane. The dynamic braking device of the crane comprises a bottom plate and an oil pump. The oil pump is connected with an oil pump motor and an oil pump ejector rod. The end of the oil pump ejector rod is connected with one end of a work block. The work block is connected to a second support through a pin shaft in a hinged manner. The work block can rotate with the pin shaft as the center through the oil pump ejector rod. Then, a first brake pad combination and a second brake pad combination can approach a brake disc at the same time to finish dynamic braking. The dynamic braking device has the beneficial effects that walking of the crane can be dynamically controlled, the damage to the motor and a transmission of the crane due to reverse braking for shutdown of the crane is reduced, the crane can slowly shut down, objects hoisted by the crane cannot swing even when inertia exists, and loading and unloading safety is greatly facilitated.

The invention discloses an oilless air power engine. The oilless air power engine comprises a main body; a main separation plate is arranged in the main body for dividing an inner cavity of the main body into a heating chamber and a piston chamber; an intake door set is arranged on the main separation plate; a heating piece is arranged in the heating chamber; a piston is arranged in the piston chamber; air cylinders are arranged on two sides of the main body; secondary separation plates are arranged at the middle parts of the two air cylinders for dividing the air cylinders into first air chambers and second air chambers; plug bodies capable of sliding are arranged in the first air chambers and the second air chambers; the plug bodies are connected by connecting rods; first open holes andsecond open holes are formed in two sides of the side walls of the first air chambers; first valves are arranged in the first open holes; third open holes are formed in the right sides of the side walls of the second air chambers; the heating chamber communicates with the first air chambers by first communicating holes; communicating valves are arranged in the first communicating holes; the pistonchamber communicates with the second air chambers by second communicating holes; and return pieces are arranged in the second air chambers.

The invention provides a buffer valve, a rotation hydraulic system and a crane, and relates to the technical field of hydraulic elements. The buffer valve provided by the invention comprises a buffervalve body, a variable volume assembly, a shuttle valve and a buffer valve core; the buffer valve body is provided with a first cavity, a first oil opening and a second oil opening, and the variable volume assembly communicates with the first cavity; two oil inlets of the shuttle valve communicate with the first oil opening and the second oil opening one to one, oil outlets of the shuttle valve communicate with a first oil path and a second oil path, the first oil path communicates with the end, away from the variable volume assembly, of the first cavity, the second oil path communicates withthe communication portion between the first cavity and the variable volume assembly, and the second oil path is provided with damping; and the buffer valve core is arranged in the first cavity. According to the buffer valve provided by the invention, the technical problem that in the correlation technique, when a crane conducts rotation action, the effect on start and stop impact eliminating problem is poor is solved.

The invention discloses a drawer reset assembly and a refrigerator including the same. The drawer reset assembly comprises sliding rails and a drawer, pulleys are respectively arranged on the two sides of the drawer, the drawer is pushed in or pulled out under the cooperation of the pulleys and the sliding rails, and a first guide part and a second guide part which enable the drawer to reset automatically are arranged at the front end and the back end of each sliding rail. According to the drawer reset assembly, due to the fact that the guide parts for enabling the drawer to reset automatically are respectively arranged at the front end and the back end of each sliding rail, when the drawer is pushed at a certain distance from the final position, the drawer can slide to the final position automatically by means of the two guide parts at the front end and the back end of each sliding rail, therefore, the reset effect of the drawer is good, and the drawer is convenient to use.

The invention relates to a Chinese herb manually planing device and an application method thereof and belongs to the technical field of Chinese herbal piece slicing equipment. The Chinese herb manually planing device comprises a planing pile, a sliding rack and tension springs, wherein the sliding rack is provided with a pair of guide bars, the end portions of the guide bars are connected througha pressure bar, and each guide bar is provided with a push rod; the left and the right of the upper portion of the planing pile are respectively provided with a bar-shaped hole, and the push rods of the sliding rack are arranged inside the corresponding bar-shaped holes; the tension springs are used for tensioning the push rods so that the pressure bar of the sliding rack can press Chinese herbs arranged on the front surface of the planing pile. According to the Chinese herb manually planing device, an operator manually drives the sliding rack to move forwards and then places the Chinese herbsbetween the sliding rack and the planing pile, and then the sliding rack controlled by the tension spring can press the Chinese herbs onto the planing pile, so that the operator can rapidly and flexibly place Chinese herbs to be clamped, and further the cumbersome operation process in the prior art that Chinese herbs are placed one by one inside a bottomless material box for planing can be simplified.

The invention discloses an internal fixation device of a spine, which comprises a nail body, a locking nut, a connecting plate and a sliding block, wherein the connecting plate is provided with a long groove, the sliding block is provided with a through hole, the sliding block is matched with the connecting plate and can move along the long grove, the nail body penetrates through the through hole and the long groove, the locking nut is in threaded connection with the nail body, and the nail body is located by the locking nut. When the spine is restored, the nail body of the internal fixation device of spine is implanted in the spine and penetrates through the sliding block and the connecting plate, and the sliding block can move along the long groove of the connecting plate, so that the restoring regulation of the nail body is realized; and then the nail body is locked by the locking nut, and in the locking process, because the through hole of the sliding block is used for limiting the position of the nail body, the restoring loss can not be caused. According to the internal fixation device of the spine, the restoring loss in a restoring locking process is eliminated, and the spine can obtain a better restoring effect.

The invention discloses an insole self-adapting the pelma shape of a pregnant woman. The insole comprises an insole body, a pressure sensor and a small integrated electronic device; the insole body comprises an insole top layer, an insole middle layer and an insole bottom layer from top to bottom; the insole middle layer is of a closed cavity structure and formed by pressing non-toxic flexible rubber mold; the closed cavity of the insole middle layer is filled with high viscosity liquid; the pressure sensor and the small integrated electronic device are installed on the upper surface of the insole middle layer, and the pressure sensor is combined with a signal processing module and a Bluetooth module to form a complete plantar pressure distribution monitoring system. By applying the system, the pregnant women can understand the plantar pressure changes in different periods of gestation and under different moving postures; according to the obtained pressure values, viscosity and dosageof liquid in the closed cavity of the insole middle layer are scientifically adjusted, and the cavity has the good elastic buffer capacity and reset capacity.

The invention discloses a frame locking mechanism of a child safety seat. The frame locking mechanism comprises a pair of side plates arranged on each locking position, a U-shaped groove is formed in the side plates, and a lock rod can enter the U-shaped groove. A Lock hook is arranged on the inner sides of the side plates and approximates a semi-ellipse shape. The middle of the lock hook is hinged to the side plates through an articulated shaft, a hook part is arranged at the side front end of the lock hook, and the frame locking mechanism further comprises a stay. A limit protrusion is arranged on the stay and can always lean against the arc-shaped surface of the lock hook, a limit groove is formed in the arc-shaped surface of the rear end of the lock hook and matched with the limit protrusion, and when the hook part of the lock hook closes a notch of the U-shaped groove, the limit protrusion can enter the limit groove and enables the lock hook to be incapable of rotating. By the adoption of the structure, locking reliability is guaranteed, the structural arrangement is reasonable, operation is easy, movements are flexible, the reliability is greatly improved, meanwhile, an arranged tension spring plays a role in resetting well, reliability of the movements is further improved, and the frame locking mechanism has very good popularization value.

The invention discloses a multi-directional laminated variable-stiffness shape memory alloy damper and a mounting method thereof. A plurality of damper intermediate plates are laminated between a damper top plate and a damper bottom plate to form the damper of a cylindrical structure, and shape memory alloy wires are horizontally and symmetrically arranged between any vertically adjacent laminatedplates. The multi-directional laminated variable-stiffness shape memory alloy damper and the mounting method thereof have the advantages that the problems of smaller stroke, poor reset performance, poor durability, poor high and low temperature resistance and the like of an existing damper are solved, the structure is simple, the installation is convenient, and the multi-directional laminated variable-stiffness shape memory alloy damper can be widely applied to passive control over structures in the technical field of civil engineering and effectively reduces the vibration of structures or components and the residual deformation after strong vibration.

The invention discloses a shock absorption and energy dissipation type outrigger truss high-rise structure system which comprises a core shear wall, giant steel concrete columns, outrigger trusses, truss rods, chord members, shock absorption assemblies, amplification devices, viscous dampers and vertical supporting assemblies. The outrigger trusses are arranged on one side of the core shear wall, the truss rods and the chord members are arranged on one side of the outrigger trusses, and the vibration absorption assemblies are arranged on the other side of the outrigger trusses. A damping assembly, an amplifying device and a viscous damper are arranged at one end of the truss rod, and one end of the viscous damper is fixed in the giant steel concrete column through a vertical supporting assembly; according to the damping assembly, preliminary damping is conducted on kinetic energy, generated by earthquakes and wind, of a super high-rise building, the torque is amplified through the amplifying device so that the force eliminating and damping functions of a viscous damper can be fully achieved, the rigidity of the viscous damper can be in a dynamic state, and the damping and energy dissipation functions of the viscous damper can still be achieved in the small earthquake or weak wind environment; the lead core rubber seat is adopted to provide stable vertical support, and the structure can assist in returning the building after the stilling work is completed.

The invention relates to a convenient-to-calibrate balance mechanism with regulating and locating functions for a robot. The balance mechanism comprises a side foot edge seat and a screw via hole, wherein a side joint locating screw penetrates through the front wall of the side foot edge seat, and side joint fixing pins are connected above the side foot edge seat; pre-buried bolt holes are arranged in the bottom ends of the side joint fixing pins in a penetrating manner; and pin connecting holes are arranged in the side foot edge seat in a penetrating manner. The convenient-to-calibrate balance mechanism with regulating and locating functions for the robot has the beneficial effects that through the arrangement of a cooling fin and a buffering spring and the joint action of the cooling fin, the cooling performance of a central support coiled column can be improved, the cooling performance of the device is accordingly improved, and the cooling performance of the robot used with the device is also improved; through the connection of the buffering spring, better buffering can be realized between the central support coiled column and a footstock; and at the same time, the footstock hasrestoring performance, so that the balance keeping of the footstock is facilitated.