67results about How to "Play a buffer function" patented technology

The invention discloses a full-automatic watering vehicle. The full-automatic watering vehicle is characterized in that a water storing tank and a storage cabinet are arranged over a lower vehicle body; a vertical telescopic assembly is arranged beside the water storage tank; a telescopic rod of the vertical telescopic assembly is provided with a chain; the chain is driven by a motor; a horizontal driving slide block of a horizontal telescopic assembly is engaged with a horizontal driving screw rod; the end part of the horizontal driving screw rod is provided with a pressing device; the pressing device is installed over a supporting water pipe; a water spraying head is installed under the supporting water pipe; the lower vehicle body is provided with a worm gear rod and a damping wheels; the worm gear rod is engaged with a turning gear via a driving motor; the turning gear is engaged with a wheel driving shaft; and the worm gear rod and the turning gear transmit power to damping wheels, so the damping wheels can rotate and drive the lower vehicle body to move forward, backward and steer. Watering load can be reduced for workers, so less labor and time can be achieved for flower planting workers; and the full-automatic watering vehicle benefits people.

The invention relates to a researching device and particularly relates to a swing type soil hardness researching device. The swing type soil hardness researching device has the functions of synchronously withdrawing and releasing a rope and testing the soil hardness through automatically hammering in a swing manner. According to the technical scheme, the swing type soil hardness researching devicecomprises a vehicle frame, a contact switch, a first mounting plate, a motor, a cam and the like, wherein a first opening is formed in the right part of the vehicle frame, a first through hole is formed in the left part of the vehicle frame, the contact switch is mounted in the vehicle in the right side of the first opening, the first mounting plate is fixedly connected to the right side of the upper part of the vehicle frame, and the motor is mounted on the first mounting plate. The device has the functions of synchronously withdrawing and releasing the rope and testing the soil hardness through automatically hammering in a swing manner, the function of calculating the soil hardness through a ruler is realized, and the disadvantages that the time and the labor are wasted during manual striking, arms of a work are numbed during the hammering of stone, and the hammering difficulty is large are solved; and the device has the characteristics of convenience in use, safety in use simplicity in operation, low manufacturing cost and the like.

The invention provides a crane horizontal wheel mechanism capable of adjusting a clearance. The crane horizontal wheel mechanism comprises a horizontal wheel body, a bearing, bearing end covers, a shaft sleeve, woodruff keys and an eccentric shaft, wherein one end of the horizontal wheel body is connected with the eccentric shaft, the bearing is arranged between the horizontal wheel body and the eccentric shaft, the shaft sleeve is arranged between the bearing and the horizontal wheel body, the bearing end covers are respectively arranged on both ends of the bearing, the two bearing end covers are fixedly connected with the horizontal wheel body, and the inner circular surfaces of the two bearing end covers are connected with a bearing pressing cover in an extrusion way. According to the crane horizontal wheel mechanism capable of adjusting the clearance, the clearance between a horizontal wheel and a rail can be compensated without replacing the horizontal wheel, so as to satisfy the normal guide requirement of the rail.

The invention provides a civil-engineering stone sand screening device convenient to maintain. The screening device comprises a storage bottom plate, a left support, a right support, a material guideoutput frame structure, a temporary storage hopper, a material screening frame structure, a material injection frame structure, an adjustable lead-out frame structure, a storage hopper, grips, an installation frame, a conveying switch, a vibrating switch, a dust-proof cover and a fixed lug plate, wherein the left support and the right support are respectively arranged on the left side and the right side of the upper part of the storage bottom plate through bolts. According to the screening device, the cross section of a rubber buffer sleeve is set to be tapered, so that the rubber buffer sleeve is beneficial to play a buffer function on stones falling downwards during use, and accordingly a large number of stones are prevented from colliding with the ground, smashing and ejecting to one side; and a rotary baffle plate is connected with the outer side of a fixing rod in a shaft manner and is arranged on the inner side of a transverse frame at the same time, so that the rotary baffle plate can be conveniently broken off from the lower side of a discharging pipe according to requirements during use, and accordingly gravel can be conveniently controlled to be led out from the lower side of the discharging pipe.

The invention provides an adjustable multifunctional rubber tire processing device which includes a horizontal bottom plate, supporting frames, an inverted U-shaped fixing frame, an air rod, a horizontal connecting frame, a longitudinal mounting frame, a pressure wheel, a side mounting frame, a softening fan, a cooling fan, a bottom supporting buffer frame structure, a bottom wheel frame, a conveying roller, a conveyor belt, a conveying motor, an adjustable positioning frame structure, a drive storage frame structure and an easy-to-disassemble winding frame structure. The supporting frames areinstalled on the left and right sides of the upper middle part of the horizontal bottom plate in a bolted mode; the inverted U-shaped fixing frame is installed on the upper parts of the supporting frames in a bolted mode; the air rod is installed on the middle lower part of the top end of the inverted U-shaped fixing frame; and the horizontal connecting frame is installed on the lower part of theair rod in a bolted mode. A positioning roller is axially connected to the lower part of the inner side of a mounting roller frame, pushing of a tread rubber passing through the upper side of the conveyor belt is facilitated during use, so that the tread rubber is prevented from tilting upwards after being squeezed by the pressure wheel, and the tread rubber can be positioned.

The invention relates to the technical field of medical apparatuses, in particular to a posterior cranium distraction and drainage device in the neurosurgery department. The posterior cranium distraction and drainage device comprises a bottom plate, a liquid storage tank, a supporting plate, an electric push rod, a transverse plate, a first installation rod, a first connecting rod, a second installation rod, a second connecting rod, a C-type plate, a rectangular slider, a distraction plate, a fixed base, a drainage tube and an ear washing ball. In the posterior cranium distraction and drainagedevice, brain nerves can be effectively fixed through a sawtooth-shaped structure at the bottom of the distraction plate, the phenomenon that the brain nerves slip off the supporting plate is reduced, the separation of the brain nerves to the maximum extent is ensured, and it is ensured that surgery is normally conducted; after the ear washing ball is squeezed, the ear washing ball is inserted inthe other end of the drainage tube, through the fluid pressure intensity difference, hydrops in a brain are smoothly sucked out, and the posterior cranium brain tissue is protected against injuries;the ear washing ball is squeezed through different squeezing intensity, and the pumping speed of posterior cranium intracerebral hydrops by the drainage tube can be controlled; the elongation of an electric push rod is adjusted, and the aim of adjusting the installation heights of the distraction plate and the drainage tube can be realized.

The invention provides an intelligent chemical fiber yarn winding device which comprises a workbench, a movable frame structure, longitudinal supporting plates, a transverse sliding rail, a rotating motor, a threaded rod, a sliding block, a storage drive frame structure, a winding roller, a protection disc, a driven gear, an adjustable supporting frame structure, a buffer support structure, a control frame, a controller, a first switch, a second switch, a third support and a locating ring. The movable frame structure is mounted on the lower portion of the workbench. The number of the longitudinal supporting plates is two, and the longitudinal supporting plates are mounted at the front end and the rear end of the right side of the upper portion of the workbench through bolts. Bidirectionalair cylinders are embedded to the front portion and the rear portion of the left side of the workbench, the protection disc can eject the winding roller out from a semicircular storage groove, the protection disc is pulled leftwards, and therefore the winding roller can be dismounted from the semicircular storage groove conveniently; and the driven gear is mounted at the middle position of the front side of the protection disc through a bolt, and the protection disc and the winding roller can be driven to rotate easily.

The invention discloses a printing transmission roll. The printing transmission roll comprises a transmission roll body made of stainless-steel materials, wherein the outer surface of the transmission roll body is provided with an elastic layer made of rubber materials; the thickness of the elastic layer is 2cm-4cm; the outer surface of the elastic layer is provided with a wear-resistant layer made of polytetrafluoroethylene; the thickness of the wear-resistant layer is 0.6-0.8mm. The printing transmission roll disclosed by the invention is simple in structure and convenient to use, and is wear-resistant.

The invention provides an intelligent paper surface labeling device for bogus kraft paper bag production. The labeling device comprises a transverse bottom plate, a production line conveyor belt body,a control frame, a controller, a control button, a rear side T-shaped plate, a first roller, a second roller, a driving motor, a rectangular outer frame, pulleys, a telescopic air cylinder, a cuttingframe structure, a film pasting device, a conveyor belt auxiliary support frame structure, a finished product heat dissipation air drying frame structure and an adjustable limiting frame structure, wherein the production line conveyor belt body is mounted on the upper portion of the transverse bottom plate through bolts, the control frame is embedded in the right side of the front portion of thetransverse bottom plate, the controller is mounted on the inner side of the control frame through screws, and the control button is embedded in the upper portion of the front side of the control frame. According to the labeling device, blowers are arranged on the inner side of a fan frame, and are mounted on the left side and the right side of the lower portion of a transverse rod through screws,so that a finished product passing from the upper side of the production line conveyor belt body is conveniently blown for heat dissipation during use, and an adhesive layer of the finished product isprevented from sucking dust.

The invention discloses an electronically-controlled type buffer door closer, refrigeration equipment and a door body switch control method. The electronically-controlled type buffer door closer comprises a guide rail, a slide block, a crank, a hydraulic buffer, a first connecting rod and a second connecting rod. The slide block is arranged on the guide rail in a sliding manner. One end of the first connecting rod is hinged to the guide rail. The crank is hinged to the position between the slide block and the first connecting rod. The second connecting rod is hinged to the first connecting rod. The hydraulic buffer is mounted on the guide rail and connected with the slide block. A first electromagnet is arranged on the first connecting rod, and a second electromagnet is arranged on the second connecting rod, wherein the second electromagnet is matched with the first electromagnet. By means of the electronically-controlled type buffer door closer, the refrigeration equipment and the door body switch control method, use reliability and user experience of the electronically-controlled type buffer door closer are improved.

The invention discloses an auxiliary support for tea tree transplanting. The auxiliary support comprises a first base, a first hoop, a first fixture and a second hoop; a second base is installed on one side of the first base, a first support frame is installed on the top of the first base, the first hoop is arranged on the side, close to the second base, of a first fixing block, the first fixtureis installed on the side, close to the second base, of the first hoop, a second support frame is installed on the top of the second base, the second hoop is installed on the side, close to the first base, of a second fixing block, and a second fixture is installed on the side, close to the first base, of the second hoop. Accordingly, by arranging the first fixture, the second fixture, the first spring and the second spring, the first fixture and the second fixture clamp and fix trees through springs which play the buffering role, and the phenomenon that the auxiliary support and the trees areclamped too tight, and the trees and the auxiliary support are squeezed when the trees shake, so that the trees are damaged is avoided.

The invention relates to a manufacturing device, in particular to an oak plug raw material rapid manufacturing device. According to the oak plug raw material rapid manufacturing device, oak plug raw materials do not need to be taken out by holding oak veneers manually, the movement distances of the oak veneers are consistent each time, and waste is avoided. The oak plug raw material rapid manufacturing device comprises an installation frame and a taking-out mechanism, wherein a clamping mechanism is arranged on one side of the top of the installation frame, the taking-out mechanism is arrangedon the side, close to the clamping mechanism, of the top of the installation frame. According to the oak plug raw material rapid manufacturing device, oak skin can be clamped and fixed through cooperation of clamping plates and screw rods, after a taking-out rod makes contact with the oak skin, the oak skin cannot deviate, and the taking-out work can be better carried out; the oak plug raw material is prevented from staying in the taking-out rod through a push rod and a push block; and through the arrangement of a sliding plate, the buffering function can be achieved, and the situation that the oak plug raw materials in the taking-out rod directly fall into a collecting frame after being extruded by a push plate, and damage is caused is avoided.

The invention discloses a high-concentration organic wastewater treatment and recycling device. The device includes a treatment tank, a feeding frame, a discharging tank, a spraying mechanism and an adsorption mechanism. The device is provided with the treatment tank which discharge organic wastewater from top to bottom; two storage trays are detachably mounted in the inner cavity wall of the treatment tank in a sliding manner; pulverized coal is placed in the two material storage trays in a filling mode. All high-concentration organic wastewater falling from the inner cavity of the treatmenttank can be ensured to be subjected to coagulation and adsorption of two layers of pulverized coal; a Fenton reagent is sprayed out from a spray head through a chemical pump to spray the chemical to the high-concentration wastewater between the two layers of storage trays, effects of catalytic oxidation and acidic coagulation on high-concentration wastewater are achieved, and the wastewater is finally discharged from the discharging tank. During coal powder replacement, the storage trays are directly drawn out, cover plates are opened, the coal powder is poured out, new coal powder is added, the treated coal powder is used for combustion, secondary pollution is avoided, and the coal powder is more economical than activated carbon as an adsorbent.

The disclosed radiator includes heat elimination core body made from aluminum, upper tank with water inlet, lower tank with outlet, left and right side plates. Characters are that zinc layer electroplated on external surface of left and right side plates made from sheet; silverly electroplated zinc layer is consistent to color of heat elimination core body; flexible filler pipe is installed on top part of the upper tank. Comparing with prior art, the invention possesses features: reasonable and simple structural design; consistent color between zinc layer and heat elimination core body; raised non-corrodibility by the zinc layer; buffered collision function provided by flexible filler pipe.

The invention discloses a lifting device for a PC component production process and the PC component production process, and relates to the technical field of PC component production and machining. Thelifting device comprises a main frame body, a bearing frame body, a cross rod and a bearing rod, and is characterized in that first connecting pieces are symmetrically and fixedly connected to the two sides of the bottom of the bearing rod, wherein a U-shaped piece is fixedly connected to the top of the bearing frame body, a transverse shaft is arranged inside the U-shaped piece, and second connecting pieces are symmetrically arranged on the two sides of the interior of the U-shaped piece. According to the lifting device, a vertical groove and a spring play a role in buffering a lifting hookin the vertical direction, so that the stress borne by the lifting hook in the lifting process is reduced, and the service life is prolonged; and a connecting shaft, a vertical block, a rotating shaft, a circular cavity, a rotating disc, a semicircular groove, a ball body and a bearing shaft are used in a matched mode, so that the lifting hook can be moved conveniently, the rotation of the liftinghook is facilitated, the compensation function is achieved, and the application range of the lifting device is enlarged.

The invention discloses a multilayer rubber roller which comprises a steel roller made of a stainless steel material, wherein a first elastic layer made of an elastic rubber material is arranged on the outer surface of the steel roller, a second elastic layer made of an elastic rubber material is arranged on the outer surface of the first elastic layer, and a ceramic layer is arranged on the outer surface of the second elastic layer. The multilayer rubber roller has good buffering effect, relatively long service life and high friction resistance.

The invention discloses an automatic buffering door closer, a refrigeration device and a door body opening and closing control method. The automatic buffering door closer comprises a guide rail, a sliding block, a crank, a hydraulic buffer, a first connecting rod and a second connecting rod, wherein the sliding block is arranged on the guide rail in a sliding mode, one end of the first connecting rod is hinged to the guide rail, the crank is hinged between the sliding block and the first connecting rod, the second connecting rod is hinged to the first connecting rod, the hydraulic buffer is arranged on the guide rail and is connected to the sliding block, an electromagnet is arranged on the first connecting rod, and an iron block matched with the electromagnet is arranged on the second connecting rod.

The invention discloses a reciprocating brushing device for an outer surface of a quartz sand ore, which comprises a metal net conveying belt and a cleaning bin, wherein the metal net conveying belt is located at the bottom of the cleaning bin, a plurality of sleeve rollers are mounted in an inner cavity of the cleaning bin, and a plurality of brushes are fixedly connected to the outer wall of each group of sleeve rollers; each group of the sleeve rollers is in sleeve connection to the outer side of the right part of the corresponding connecting rod; and a plurality of second springs are fixedly connected between the inner walls of the sleeve rollers and the outer side of the right part of the corresponding connecting rod. The reciprocating brushing device is simple in structure, convenient and practical, the outer surfaces of quartz sand ores are scrubbed powerfully, the outer surfaces of the ores are scrubbed by the multiple sleeve rollers in a reciprocating mode, so that friction force is enhanced, and the cleaning effect can be reinforced; a buffering function is achieved between the sleeve rollers and the side wall of the connecting rod through the second springs, so that the reciprocating brushing device can be matched with ores with different sizes for cleaning, and is easy to popularize and apply.

The invention provides a crane rotation buffer reversing valve. In the middle position, a first unloading port communicates with a first reversing port through a throttling passage, and a second unloading port communicates with a second reversing port through a throttling passage; in the first working position, the first reversing port communicates with an oil inlet, and the second reversing portcommunicates with an oil return port; in the second working position, the second reversing port communicates with the oil inlet, and the first reversing port communicates with the oil return port; andin the three states, the first unloading port communicates with the second unloading port. Along with reversing, opening of the oil return port is reduced, and rising of the load pressure is weakened. The invention further provides a crane open type rotation brake control system. The crane open type rotation brake control system comprises a reversing valve, a motor, a brake and a brake control unit. An oil inlet of a first shuttle valve of the brake control unit communicates with a pilot control oil source, an oil outlet of the first shuttle valve communicates with a pressure switch control oil port, a pressure switch triggers a delay relay, and the delay relay controls an electromagnetic reversing valve. The two reversing ports of the reversing valve are connected with two working oil ports of the motor.

The invention relates to a device for ball catching competition, in particular to a device for children interactive ball catching competition. The technical problem to be solved is to provide the safedevice for the children interactive ball catching competition capable of improving the enthusiasm of children. In order to solve the above technical problem, the invention provides the device for thechildren interactive ball catching competition, the device includes a base, a first bracket, a transverse support plate, swinging seats, swinging rods, a seat, a first spring, a first guide rod, a sliding sleeve, a first sliding rod, a push plate, a second spring and the like; the first bracket is connected with the transverse support plate fixed in the middle of the upper portion of the base, the swing seats are symmetrically fixed on the left and right sides of the transverse support plate, and the swing rods are rotataly connected with the swing seast of the left and right sides. The device has the functions of improving children enthusiasm, increasing game difficulty, making children body coordinate and increasing enthusiasm and intelligence, and solves the problem that children interactive games are very simple.

The invention discloses a mounting base with a moisture-proof function for a low-voltage power distribution cabinet. The mounting base comprises a mounting bottom plate; mounting holes are formed in the two ends of the top of the mounting bottom plate; a mounting cylinder is arranged at the middle part of the outer wall of the top of the mounting bottom plate; insertion holes are formed in the outer wall around the top of the mounting cylinder; mounting columns are arranged at the inner walls of the insertion holes; and main springs are arranged the inner walls of the tops of the mounting columns and the inner wall of the bottom of the mounting cylinder. A mounting top plate is arranged at the outer walls of the tops of the mounting columns. Buffer cylinders are arranged at the outer wallsof the two sides of the top of the mounting bottom plate; and buffer rods are arranged at the inner walls of the tops of the buffer cylinders. According to the invention, the contact of humid cold air with a low-voltage power distribution cabinet during the rising process is stopped; a micro fan is used for carrying out ventilation and removing the moisture at the bottom of the low-voltage powerdistribution cabinet, so that the anti-moisture function of the low-voltage power distribution cabinet is improved substantially; the mounting base plays a role in buffering and damping, so that the fixation effect of the low-voltage power distribution cabinet is improved.

The invention particularly relates to an anti-vibration support for a pipeline. The anti-vibration support comprises an elastic structure and supporting plates fixed to inner sides of the elastic structure; the elastic structure includes a U-shaped upper frame body and a U-shaped lower frame body; two U-shaped ends of the upper frame body sleeve two U-shaped ends of the lower frame body; a fixinggroove is arranged in each of the two U-shaped ends of the upper frame body; an airbag is arranged in each fixing groove; each airbag is installed at each of the U-shaped ends of the lower frame body;the supporting plates include an upper supporting plate, a lower supporting plate, a left side supporting plate and the right side supporting plate; the upper supporting plate is arranged at the U-shaped bottom end of the U-shaped upper frame body; the lower supporting plate is arranged at the U-shaped bottom end of the U-shaped lower frame body; the left side supporting plate is arranged at oneinner side of the U-shaped ends of the U-shaped upper frame body; and the right side supporting plate is arranged at the other inner side of the U-shaped ends of the U-shaped upper frame body. When vibration occurs, the upper part, the lower part, the left part and the right part of the anti-vibration support for the pipeline of the invention can play a role of buffering, so that the pipeline canbe prevented from being directly influenced by the vibration, the defect that the anti-vibration property the pipeline is poor is remedied, and the service life of the pipeline is prolonged.

The invention provides screening equipment for elongated and flaky particles in aggregate. The screening equipment for the flat-elongated particles in the aggregate comprises a material screening frame, buffer positioning frame structures, a guide-in hopper, a vibration motor, a preliminary material guide-out frame structure, a material guide plate, a transverse plate, a material guide hole, a transverse movable frame structure, a powder finished product separation frame structure, an L-shaped connecting plate, a horizontal plate, a storage hopper, a control plate and a control switch, the buffer positioning frame structures are installed on the left side and the right side of the lower portion of the material screening frame, the lead-in hopper is inserted into the upper part of the left side of the material screening frame, and the preliminary material guiding-out frame structure is installed on the upper portion of the inner side of the material screening frame. According to the screening equipment for the elongated and flaky particles in the aggregate, triangular cutting frames are welded to the left side and the right side of the upper portion of a discharging hole, so that cutting off is advantageously and conveniently carried out on elongated pieces inserted into the discharging hole in the using process; and a limiting frame screw is mounted on the inner side of a longitudinal frame, and therefore the limiting function can be conveniently achieved on the longitudinal frame during use, and the longitudinal frame can be prevented from being ejected out of a positioning hole under the action of a buffer spring.

The invention relates to pipeline transportation equipment for natural gas. The pipeline transportation equipment comprises a valve body, a hydraulic cylinder and two connecting pipes, wherein the hydraulic cylinder is vertically arranged at the top of the inside of the valve body; the two connecting pipes are separately and horizontally arranged on the two sides of the valve body; two filtering perforated pipes communicate through the valve body; the two connecting pipes are coaxially arranged; the hydraulic cylinder is positioned above the connecting pipes; the valve body is provided with two sealing mechanisms and two filtering mechanisms; the sealing mechanisms and the filtering mechanisms are in one-to-one correspondence with the connecting pipes; and the sealing mechanisms comprise supporting blocks, push rods, connecting rods, extrusion plates, air bags, supporting disks and supporting assemblies. According to the pipeline transportation equipment for the natural gas, the sealing performance is improved through the sealing mechanisms, and the sealing effect is prevented from being affected by gaps generated by wear and tear. Moreover, the function of filtering out impurities in the natural gas is achieved through the filtering mechanisms.

The invention discloses an automatic box sealing integrated machine for floor packaging, and belongs to the technical field of automatic carton sealing integrated machines. Cartons are placed on the inner side of a carton clamping assembly, then an adjustable push plate assembly is started to move to the back of stacked floors, and then the adjustable push plate assembly is started to push the floors into the inner sides of the cartons; A buffering function can be achieved through the carton buffering plate assembly, the height of the packaging frame can be adjusted by starting the cross lifting assembly to achieve adjustment in different heights so as to be matched with the height of the stacking device, and therefore floors on the stacking device can be pushed into cartons conveniently; and a transverse movement driving assembly is started to drive a moving sliding block to move so as to seal the carton.

The invention discloses a circuit board cutting device for electronic product production, and belongs to the technical field of circuit board cutting devices. A transmission assembly drives a first up-and-down adjusting sliding block assembly to move, the first up-and-down adjusting sliding block assembly drives a horizontal adjusting assembly to move, the horizontal adjusting assembly drives a cutting assembly to move, the bidirectional cutting function on circuit boards is achieved through the cutting assembly, and the cutting efficiency is improved; and meanwhile, the first up-and-down adjusting sliding block assembly further drives a second up-and-down adjusting sliding block assembly to move downwards, the second up-and-down adjusting sliding block assembly drives a buffering pressingassembly to stably press the circuit board to the top of a trapezoidal containing base, then the pressing function of the pressing assembly is achieved without other driving structures, the bufferingfunction is achieved during pressing through a buffering supporting assembly, and the cut circuit boards fall into a cutting waste storage bin assembly for collection.

The invention discloses a novel sand slinger for producing fasteners. The sand slinger comprises a rectangular outer frame, a feeding hopper, a longitudinal plate, a guiding hopper, a driving motor, arotating roller, L-shaped shovel plates, adjustable chassis structures, adjustable buffer bracket structures, a transverse mounting plate, a detachable discharging frame structure, a tool box, a transverse plate and a longitudinal partition plate. The feeding hopper is mounted on the upper side of the rectangular outer frame through bolts; and the longitudinal plate is mounted on the lower left side of the rectangular outer frame through bolts. Threaded rods are connected with the inner sides of inner threaded fixing pipes in a threaded mode, so that the position of a movable frame in the rectangular outer frame can be conveniently adjusted by using rotating rods to drive the threaded rods to rotate in the inner threaded fixing pipes during use. Buffer springs are mounted at the top of afixing frame and the upper portions of bottom supporting legs through bolts, so that the bottom supporting legs can be conveniently buffered during use, and transmission of the sand slinger to the ground can be reduced during use.

The invention discloses a double-row cylinder permeable breakwater and a using method thereof, and belongs to the technical field of breakwaters. The double-row cylinder permeable breakwater comprises a V-shaped fixing plate, a side fixing plate is installed at the top of the inner wall of the V-shaped fixing plate, and a power generation roller assembly is arranged between the inner side of the side fixing plate and the outer side of the side fixing plate; a side supporting column is installed at the position, close to the conical part of the V-shaped fixing plate, of the top of the V-shaped fixing plate, and the function of buffering sea waves is achieved through a first spring; the sea waves can be pushed back through the counter-acting force of wave blocking elastic cloth; and meanwhile, a first hinge rod can be driven to move in the loosening or tightening process of the wave blocking elastic cloth, and the first hinge rod further drives a steel wire rope to loosen or tighten so as to drive a generator to generate electricity.

The invention relates to the technical field of medical equipment, in particular to a fixator for hand fracture in the general surgery department. The fixator comprises an elbow fixing support shell, an arm fixing support shell, an angle adjusting part, a first tightening belt, a second tightening belt, a buffer part, a gauze fixing part, a limiting part and a wrist protecting part, a connecting clamping block, a second connecting spring, a [-shaped connecting plate, a connecting vertical rod, a connecting transverse rod and a pull rod. According to the invention, when a patient needs to apply plaster, gauze can be fixed, the problem that in the normal moving process of the patient, the gauze is loosened, and the plaster falls off is solved, compared with a traditional plaster fixing mode, the fixator has the advantages that a certain moving space is provided for the injured hand of a patient, meanwhile, the injured hand of the patient can be protected, the elbow of the patient can be buffered and limited, secondary injury to the patient is avoided, and the usability of the fixator is improved.