176 results about "Elastic vibration" patented technology

The invention relates to the technical field of diesel engine connecting rod surface treatment equipment, in particular to a conveying device for diesel engine connecting rod surface treatment. Comprising a hanger rail, a rack, a tackle and a suspension mechanism, the hanger rail is arranged above the rack, a treatment groove is formed in the upper side of the rack, the tackle is slidably installed on the hanger rail, the suspension mechanism is connected with the tackle through a lifting driving piece, and the lifting driving piece is used for driving the suspension mechanism to move up and down; the suspension mechanism further comprises an elastic oscillation starting piece and oscillation starting rails installed on the two sides of the rack, the output end of the lifting driving piece is elastically connected with the suspension mechanism through the elastic oscillation starting piece, and a plurality of evenly-distributed conical protrusions are arranged on the oscillation starting rails. It is ensured that the whole surface of the connecting rod is processed under the more consistent condition; therefore, more uniform dissolution rate and surface smoothness are obtained; defects such as stripes, pitting corrosion and cloud spots caused by bubble retention or uneven current are obviously reduced in a moving state.

The invention relates to the field of hoisting machinery control, and provides a whole-process anti-swing and precise positioning self-adaptive control method and system for a crane. The method comprises the following steps: constructing a quintic polynomial speed planning model, and solving boundary conditions to obtain an S-shaped basic speed instruction for inhibiting longitudinal elastic vibration; collecting multi-source sensing data, performing Kalman filtering, and establishing a mapping relation between feedback gain and rope length and load mass; anti-swing compensation is calculated based on a two-parameter gain scheduling strategy, and saturation limitation is introduced to obtain a final driving instruction; constructing a visual double-closed-loop model, monitoring states, and realizing undisturbed switching of control modes by using an integral initial value assignment method; and setting a fault degradation and integral anti-saturation strategy. According to the invention, while flexible start-stop and millimeter-level accurate positioning are realized, the problem of swing control under variable-parameter working conditions is solved, and the operation safety is enhanced.

The invention relates to the technical field of aeroelastic analysis of aero-engines, in particular to a boosting-energy complementing gliding aircraft thermal / aeroelastic coupling modeling and analysis method considering rigid-elastic coupling. A frame for simultaneously solving rigid body motion and elastic vibration is established, the amplitude and direction disturbance characteristics of thrust pulsation and the rigidity degradation effect caused by pneumatic heat generation-heat conduction are considered, and the problem of prediction deviation caused by neglecting of rigid-elastic coupling and an extreme thermal environment in traditional solving is solved. According to the method, aeroelastic response analysis of the aircraft in different load stages (full load, half load and no load) can be simulated, and hot gas bomb response under the action of thrust disturbance and extreme thermal load is solved, so that the prediction capability of dynamic behaviors of the aircraft under complex working conditions is improved; and a theoretical technical support is provided for aeroelastic response servo suppression of the boosting-energy complementing gliding aircraft in a large impact / extreme thermal environment.

The invention relates to the technical field of civil engineering, in particular to an anti-overturning vibration isolation building. The vibration isolation building comprises a vibration isolation building body, the vibration isolation building body is supported on a foundation through an elastic vibration isolation device, the vibration isolation building further comprises a peripheral supporting structure and an anti-overturning structure, and the peripheral supporting structure comprises rock soil on the periphery of the vibration isolation building body, a retaining wall or a peripheral supporting building fixedly connected with the ground foundation; the anti-overturning structure comprises at least two layers of transverse elastic supporting sets which are arranged between the vibration isolation building body and the peripheral supporting structure up and down, and each transverse elastic supporting set comprises a plurality of transverse elastic supporting devices which are arranged at intervals in the horizontal direction. The safety and reliability of a vibration isolation building main body can be greatly improved when an earthquake occurs, and the device has good vibration and earthquake double-control performance, is simple in structure, good in economical efficiency, high in cost performance, safe and reliable, and can be widely applied to various vibration isolation building projects provided with peripheral supporting structures.

The invention discloses an ammunition automatic filling robust control method based on singular system IL disturbance estimation, and aims to solve the problems of flexible transmission, parameter uncertainty, periodic external disturbance, residual vibration and the like in an automatic filling system. According to the method, a fast-slow dual-time-scale cooperative control architecture is constructed, a slow subsystem adopts a disturbance self-adaptive PD controller, low-frequency periodic disturbance is estimated and compensated online in combination with an iterative learning mechanism, and the trajectory tracking precision is improved; the fast subsystem carries out real-time estimation and feedforward suppression on high-frequency elastic vibration based on an extended state observer (ESO); and filtering and amplitude limiting are further carried out on slow and fast control inputs, a self-adaptive scheduling strategy based on tracking errors is designed, and the slow and fast control inputs are dynamically fused to generate a final control instruction. According to the method, only motor end position / speed measurement is needed, a load end sensor is not needed, high precision, high robustness and excellent vibration suppression capability are achieved, and the dynamic performance and complex condition adaptability of automatic ammunition filling are remarkably improved.

The liquid elastic vibration isolator integrally comprises a liquid cavity surrounded by a vulcanized body, the upper portion of the liquid cavity is sealed by an upper cover plate, the interior of the liquid cavity is divided into an upper liquid cavity body and a lower liquid cavity body through a flow channel body, the flow channel body is provided with a liquid channel for communicating the upper liquid cavity body with the lower liquid cavity body, and a lower cover plate is assembled below the vulcanized body. A rubber elastic piece is arranged between the runner body and the lower cover plate, a lower liquid cavity is defined by the rubber elastic piece and the vulcanized body, and an air cavity is defined by the rubber elastic piece and the lower cover plate. In the initial state, the rubber elastic piece is in a bowl shape with the center protruding upwards, an upper protruding arc is formed at the center protruding position, the outer periphery of the upper protruding arc is concaved downwards to form a lower concave ring, the outer periphery of the lower concave ring protrudes upwards to form an upper protruding ring, the outer periphery of the upper protruding ring is a horizontal annular straight edge, and any adjacent shapes are in smooth transition connection. The size of the liquid cavity and the size of the air cavity are changed by changing the shape of the rubber elastic piece, and then the load transmitted to the machine body is reduced.

A torsional vibration damper comprising a primary mass (2) to be coupled to an input element, a secondary mass (6) to be coupled to an output element, and a spring damper arrangement (10) coupled to the disk-shaped primary mass (2) and the secondary mass (6), comprising several arc springs (11) against which the primary mass (2) and the secondary mass (6) are rotatable relative to each other, wherein the secondary mass (6) has an annular spring channel (9) in which the arc springs (11) are received, and wherein at least one elastic vibration damper device (22, 26) is provided on the primary mass (2). The arrangement is characterized in that the secondary mass (6) has a disk-shaped flange section (7) which transitions into the spring channel (9) at its outer circumference and to which a hub flange (17), via which the connection to the output element is made, is attached.

The application relates to the technical field of cleaning spray heads, in particular to a nano-bubble-assisted cleaning spray head and system, which comprises a mounting plate, a flow guide connecting pipe and a bubble nozzle. The top of the mounting plate is fixedly connected with a positioning clamping base, the top of the positioning clamping base is detachably connected with a top plate, the positioning clamping base is used for positioning the flow guide connecting pipe, the flow guide connecting pipe is fixedly connected with the bubble nozzle and is in internal communication, the surface of the bubble nozzle is provided with elastic vibration pieces, the top surface of the top plate is provided with vibration plates corresponding to the elastic vibration pieces, the surface of the bubble nozzle is annularly arranged with a plurality of elastic vibration pieces, and the elastic vibration pieces are connected with elastic connecting rings. The application aims at solving the problems that impurities will gradually accumulate to form blockages, the internal flow channel of the nozzle will become narrow, the flow of cleaning liquid will attenuate, and the pressure will be unstable with the prolongation of cleaning time.

The invention belongs to the technical field of functional composite materials, and particularly relates to high-damping organic silicon-based composite hydrogel as well as a preparation method and application thereof. The method comprises the following steps: mixing polydimethylsiloxane, silicate ester and a polyvinyl alcohol aqueous solution in proportion, and emulsifying in an ultrasonic microreactor to form an oil-in-water emulsion with specific particle size distribution. Wherein after the oil phase in the emulsion is subjected to ultrasonic action, rapid chemical crosslinking is performed to form organic silicon microspheres, and finally the organic silicon-based composite water-based damping material with the damping factor larger than 0.5 is prepared. By regulating and controlling the particle size distribution of the organic silicon microspheres, the stacking density of the microspheres in the damping material is maximized, so that the friction between the microspheres and a gel network is enhanced, and high damping is realized. The elastic composite organic silicon material has good damping performance, molding processability, recoverability and biocompatibility, raw materials are environment-friendly and low in cost, and the elastic composite organic silicon material is suitable for large-scale production and can be widely applied to the fields of flexible wearing, elastic vibration isolation, flexible protection and the like.

To obtain strong vibration in a wide frequency range.SOLUTION: The vibration actuator is a vibration actuator that elastically vibrates a movable part supported on a fixed part by an elastic member by a driving force of a driving part, and the driving part includes a magnet included in the fixed part and disposed to form a pair facing each other via a space, and a coil included in the movable part and disposed in the space, and generates the driving force by an interaction between a magnetic field by the magnet and a current flowing through the coil. The movable portion further includes a conductive plate-shaped portion disposed in the space, and the plate-shaped portion generates an eddy current therein with movement of the movable portion in the magnetic field and damps vibration of the movable portion by interaction between the magnetic field and the eddy current.SELECTED DRAWING: Figure 11

The invention provides a design method of a liquid elastic vibration isolator, the whole liquid elastic vibration isolator comprises a liquid cavity surrounded by a vulcanized body, the upper part of the liquid cavity is sealed by an upper cover plate, the interior of the liquid cavity is divided into an upper liquid cavity and a lower liquid cavity by a flow channel body, the flow channel body is provided with a liquid channel for communicating the upper liquid cavity with the lower liquid cavity, and a lower cover plate is assembled below the vulcanized body. A rubber elastic piece is arranged between the runner body and the lower cover plate, a lower liquid cavity is defined by the rubber elastic piece and the vulcanized body, and an air cavity is defined by the rubber elastic piece and the lower cover plate; wherein the whole vulcanized body is divided into four connected petals in the circumferential direction, the rubber spring of two opposite petals is in the shape of laminated rubber defined by an outer barrel with an inner flange and an inner barrel with an outer flange, the rubber spring of the other two opposite petals is in the shape of a sector ring, and the sizes of an upper liquid cavity, a liquid channel and the laminated rubber are designed according to the following formula. And further determining each size of the liquid elastic vibration isolator.

The utility model relates to the technical field of pest control, in particular to a spore release storage container which comprises a barrel and an electric control air valve, a spore outlet is formed in the peripheral side wall of the barrel, the electric control air valve is detachably assembled at the spore outlet, and openings are formed in the two ends of the barrel. The opening is used for adding spores into the cylinder tank or removing spores in the cylinder tank, a first sealing cover and a second sealing cover are detachably assembled at the two ends of the cylinder tank respectively, an elastic vibration plate is arranged in the first sealing cover in the cross section direction of the first sealing cover, and the elastic vibration plate is used for making contact with an external vibration source; and the elastic vibration plate which vibrates at high frequency is used for changing the size of the internal space of the cylinder so as to intermittently extrude spores from the electric control air valve. According to the storage container for releasing the spores, the electric control air valve is closed to prevent moisture in external air from entering the cylinder tank, and germination of the spores in the medicine powder barrel is not prone to being caused, so that intrusive activity of the spores is effectively prevented from being lost, and the disease and pest control effect of the spores is obviously improved.

The utility model discloses a shock insulation device for rack, including installation base, installation base surface is provided with replaceable elastic vibration isolation subassembly, and installation base top is provided with the mounting plate through replaceable elastic vibration isolation subassembly, and the mounting plate top is fixedly provided with the rack, and the installation base top is provided with the buffer component convenient for the buffer of replaceable elastic vibration isolation subassembly, and the installation base top is provided with the temporary support component, and the installation plate is supported through temporary support component, so that the installation plate will not move downward, and the spring in replaceable elastic vibration isolation subassembly is replaced, when spring replacement is completed, the support effect of temporary support component to installation plate is cancelled, so that can replace the spring alone, and can replace the spring of different positions alone, avoid the situation that needs to take down the whole spring shock absorber and replace, thereby the part that can use is reserved, and the maintenance cost of rack shock insulation device is reduced.

The invention discloses a flexible connecting rod mechanical arm fixed time adaptive neural network compound control method which comprises the following steps: decomposing a flexible connecting rod mechanical arm model into a slow subsystem and a fast subsystem based on a singular perturbation theory, and defining a slow subsystem state variable and a fast subsystem state variable in the decomposition process; and the slow subsystem comprises an unmodeled dynamic state, and meanwhile, the control moment in the model is decomposed into a tracking controller used for controlling the slow subsystem and a flexible suppression controller used for controlling the fast subsystem. According to the technical scheme, elastic vibration of the flexible mode is relieved, meanwhile, tracking of the time-varying expected position by the mechanical arm is achieved, and the mechanical arm is stable within the fixed time.

The utility model discloses a sample vibration suppression structure and an alternating gradient magnetometer, and relates to the technical field of mechanical vibration suppression, the sample vibration suppression structure comprises a support assembly and a sample suspension structure mounted on the support assembly; the sample suspension structure comprises an elastic vibration isolation unit and a sample support connected with the elastic vibration isolation unit, the sample support is used for bearing a sample in the magnetic field action area, and the elastic vibration isolation unit is used for attenuating vibration transmission from the supporting assembly to the sample support. The elastic vibration isolation unit can isolate vibration near the measurement frequency and larger than the measurement frequency, so that vibration noise can be weakened, and the influence of the vibration noise on magnetic measurement is reduced; according to the structure, a complex active vibration isolation control system does not need to be additionally arranged, passive vibration isolation is achieved through pure mechanical elastic design, the equipment cost and energy consumption are reduced, and electronic interference possibly introduced by the active vibration isolation system is avoided.

The present invention discloses a ballastless track vibration reduction structure that integrates induction power generation and frequency modulation vibration reduction, belonging to the technical field of rail transit. The track plate and base plate of the present invention are laid longitudinally along the track line, with the track plate located above the base plate; an adjustment layer is arranged between the track plate and the base plate; an elastic vibration reduction layer is provided between the base plate and the piezoelectric device layer, and the elastic vibration reduction layer is filled in a limiting structure within the base plate; a silicon steel sheet iron core structure of an electromagnetic coil is provided within the elastic vibration reduction layer located in the limiting structure; the piezoelectric device layer is located between the adjustment layer and the base plate, and the piezoelectric device layer is connected to the electromagnetic coil via a wire. The present invention utilizes piezoelectric materials and magnetorheological elastomer materials to achieve the integration of induction power generation and frequency modulation vibration reduction. When the pressure is insufficient to cause the piezoelectric device to output current, the magnetorheological elastomer material still has the mechanical properties of an ordinary rubber elastomer, and the entire structure can still ensure the vibration reduction function while also achieving power-off protection.

To obtain strong vibrations without increasing weight. [Solution] The vibration actuator is a vibration actuator that causes a movable part housed inside a housing and elastically supported by the housing to vibrate elastically by the driving force of a drive unit, the drive unit having a pair of magnets fixed inside the housing so as to face each other across space, and a coil included in the movable part and arranged in space, and generates a driving force by the interaction of the magnetic field from the magnets and the current flowing through the coil, the housing has at least a pair of first leaf springs that elastically support the movable part, the first leaf springs having a connecting part connected to the housing, a pair of arm parts that branch off symmetrically from the connecting part and curve in a meandering shape, a confluence branching part where the pair of arm parts merge and branch off midway between the connecting part and the ends of the pair of arm parts, and a pair of support parts arranged at the ends of the pair of arm parts and supporting the movable part.

The utility model discloses a dust discharging device for a dust remover, which belongs to the field of dust removing equipment and comprises a dust removing box, a first dust discharging hopper and a second dust discharging hopper are fixedly communicated with the bottom of the dust removing box, a fixed disc is fixedly connected in the dust removing box, and a rotating disc is rotatably connected to the inner side of the fixed disc. A rotating driving unit for driving the rotating disc to rotate is arranged in the dust removal box, a plurality of through grooves are formed in the rotating disc, a wind shield is fixedly erected in the dust removal box and is in sealing contact with one of the through grooves, the bottom of each through groove is fixedly communicated with a first hose, and the bottom of each first hose is fixedly connected with a filter bag through a framework; a vibration motor is fixedly connected to the bottom of each filter bag, a pair of elastic vibration structures is arranged on the framework of each filter bag, and the elastic vibration structures are connected to the rotating disc. According to the pulse dust removal device, the problem of low dust removal and dust discharge efficiency during pulse dust discharge due to light floating dust on the filter bag in the prior art is solved.

This invention discloses an embedded continuous elastic vibration-damping track for a small train, relating to the field of rail transit technology. In this invention, vibration-damping components adapted to the bottom of lightweight steel rails are installed in the track groove at the top of the track slab. These components are continuously arranged without spacing along the length of the lightweight steel rails. Cover plates are installed on both sides of the lightweight steel rails inside the track groove, continuously and without spacing against the side walls of the track groove. Drainage pipes are continuously arranged without spacing along the length of the lightweight steel rails inside the track groove, installed at the gaps between the cover plates and the lightweight steel rails. Elastic fastener assemblies are located on both sides of the lightweight steel rails inside the track groove, used for positioning and locking the lightweight steel rails. Support bolt assemblies are also provided inside the track groove for inserting and fixing the cover plates. This invention, through the continuous support design of the vibration-damping components with a multi-layer composite elastic support structure, eliminates the impact force concentration problem of traditional discrete fasteners, greatly improving the overall vibration damping effect of the track.

The application discloses a lithium ceramic stone lithium extraction preparation device and a lithium extraction method, and relates to the technical field of lithium ceramic stone lithium extraction. The lithium ceramic stone lithium extraction preparation device comprises a base, the upper end face of the base is fixedly connected with an upper-opened box body, a filtering mechanism is installed in the inner cavity of the box body, the upper end face of the base is fixedly connected with a mounting bracket, a leaching mechanism is installed on the front part of the mounting bracket and directly above the filtering mechanism, and a push plate for cooperating with an elastic vibration disc is fixedly connected with the front cavity wall of the box body. The application can timely remove and collect the filter residue generated after solid-liquid separation, ensure the normal flow speed of the filtrate, improve the purity of the filtrate, and can also intermittently put lithium ceramic stone fine powder and dilute sulfuric acid together for mixing, so that the lithium ceramic stone fine powder and the dilute sulfuric acid can be fully and uniformly mixed, and the mixing effect is improved.

To obtain high coaxiality and a high frequency.SOLUTION: A length of n times (n is an integer of 1 or more) a half wavelength of longitudinal elastic vibration in a rotating central axis direction, and two or more piezoelectric elements and a pair of electrode plates are arranged on the central axis; The vibrator includes a vibrating body 2a having an insertion hole 2a penetrating in a direction orthogonal to a central shaft and integrally molded by processing metals such as aluminum, titanium, and steel or ceramics such as alumina and zirconia, two or more piezoelectric elements 3, and a pair of electrodes 4 having a wedge shape, wherein the piezoelectric elements 4 are pressurized and fixed in the insertion hole 2a by inserting the two or more piezoelectric elements 3 and the pair of electrodes 4 into the insertion hole 2a.SELECTED DRAWING: Figure 1

The invention discloses a variable-stiffness magnetorheological fluid elastic vibration isolator for a variable-speed rotorcraft, which comprises a closed cavity formed by a magnetic flux outer cylinder, a magnetic flux inner cylinder and an annular magnetorheological elastomer connected between the magnetic flux outer cylinder and the magnetic flux inner cylinder, inertia liquid is filled in the cavity, and a magnet exciting coil is arranged in an outer ring groove of the magnetic flux inner cylinder. The magnetic flux outer cylinder, the magneto-rheological elastomer and the magnetic flux inner cylinder form a closed magnetic circuit, and the magnetic field intensity is changed by adjusting the current of the magnet exciting coil, so that the shear modulus of the magneto-rheological elastomer is continuously and reversibly adjusted and controlled, and online adjustment of the rigidity of the vibration isolator is achieved. The inner cylinder connected with the magnetic flux inner cylinder is provided with an inertia channel, when external vibration is introduced, liquid flows in the channel, and inertia force opposite to exciting force is generated at an anti-resonance frequency point to achieve efficient vibration isolation. The variable vibration frequency of the rotor wing is dynamically matched through the electronic control rigidity, the problems that a traditional vibration isolator is narrow in frequency band, and a mechanical frequency conversion scheme is slow in response and complex in structure are solved, and the vibration isolator has the advantages of being fast in response and compact in structure.

The invention discloses steel pipe inner wall treatment equipment, and relates to the technical field of steel pipe inner wall grinding, the steel pipe inner wall treatment equipment comprises a first mounting pipe mechanism and a second mounting pipe mechanism, and a deflection connecting mechanism is arranged between the first mounting pipe mechanism and the second mounting pipe mechanism; the first installation pipe mechanism and the second installation pipe mechanism are each provided with a movable clamping wheel mechanism and a pneumatic sealing mechanism, the first installation pipe mechanism and the second installation pipe mechanism are each provided with a rotating shell mechanism, the rotating shell mechanism is provided with a plurality of pressing mechanisms, the pressing mechanisms are provided with grinding belt mechanisms, and the grinding belt mechanisms are provided with elastic vibration clamping plate mechanisms. By arranging the first mounting pipe mechanism and the second mounting pipe mechanism, cooling liquid can be supplied to the polishing position of the inner wall of the steel pipe, meanwhile, sundries generated by polishing can be brought out, the equipment can move on the inner walls of the steel pipes with different inner diameters through the movable clamping wheel mechanism, and the polishing treatment efficiency of the inner wall of the steel pipe is improved.

The present invention discloses a suspension and vibration damping mechanism for an electric air compressor used in a vehicle. The mechanism comprises a first elastic vibration damping member and a second elastic vibration damping member, which form a vibration damping system perpendicular to the air compressor. The first and second elastic vibration damping members absorb vibrations from the air compressor. By installing a strut-type suspension and vibration damping mechanism on the air compressor mounting bracket, the spring and rubber mounting sleeve absorb vibrations from the air compressor, reducing vibration noise generated by the vehicle during driving by approximately 10dB and improving ride comfort. The mechanism also reduces mechanical damage to the electric air compressor caused by vibration, improving its durability.

According to the double-station mirror frame machining equipment and the machining method, a main machine frame and an auxiliary machine frame are isolated through an elastic vibration reduction assembly, vibration crosstalk during double-station parallel operation is effectively restrained, and the situation that vibration generated during rough machining of one station interferes with finish machining of the other station is avoided; therefore, the equipment can realize high-stability double-station parallel operation, the machining efficiency of the whole machine is effectively improved, and the machining precision and the surface quality consistency of a final product are also ensured; meanwhile, an outer frame machining position is designed to be a light-weight movement structure with a fixed cutter and a movable workpiece, the movement inertia is reduced, higher machining speed and acceleration are achieved, and the machining cycle of a single product is shortened. In addition, an inclined flexible feeding track is achieved through the multi-axis capacity of the multi-axis movement mechanism, the adaptability to workpieces of different sizes is improved, and the feeding success rate is increased.

The suspended solid intercepting system comprises a machine shell, and a hollowed-out rotating cylinder and an arc-shaped intercepting piece are arranged in the machine shell; at least two intercepting net plates are mounted on the hollow rotating cylinder body at intervals, and scraping plates are arranged at the outer ends of the intercepting net plates and used for scraping intercepted objects on the arc-shaped intercepting pieces; a spiral conveying device is arranged in the hollow rotating cylinder body and is used for conveying and squeezing intercepted objects; an elastic vibration piece and a flushing device are arranged on the machine shell, the elastic vibration piece is used for enabling the intercepting net plate which rotationally passes through to generate vibration so as to fall off intercepted objects, and the flushing device is used for cleaning the intercepting net plate; and the control center is used for adjusting working parameters of the hollow rotating cylinder, the spiral conveying device and the flushing device. Tiny suspended solids are accurately intercepted, the interception efficiency is greatly improved, and it is guaranteed that the subsequent treatment process is stable; suspended solids are prevented from being attached to and accumulated on the interception screen plate, the system can adapt to different water quality and water quantity, and the system maintainability is improved.

The utility model discloses a mould for foaming a vehicle seat, which comprises a base, a fixed mould base arranged on one side of the upper end of the base, a movable mould base arranged in the middle of the upper part of the base and capable of sliding left and right relative to the fixed mould base, and a driving device for driving the movable mould base to move left and right, a lower mold is arranged on the side, facing the fixed mold base, of the movable mold base, after the seat foaming cushion is formed, the upper mold making small-area contact with the foaming cushion moves away from the lower mold and moves out of the forming mold groove, then the hydraulic cylinder is started, and the push rod, the top mold plate and the foaming cushion are pushed to move rightwards through the piston rod; under the mutual cooperation of the spring and the linear vibration motor, the top mold plate is used for carrying out high-frequency elastic vibration pushing on the foaming cushion embedded in the forming mold groove, so that on one hand, the surface deformation and strain of the foaming cushion during hard taking-out can be prevented, and on the other hand, the foaming cushion can be continuously ejected out of the mold groove more linearly and smoothly.

The present application relates to the technical fields of insulation material processing material conveying, and discloses a kind of anti-blocking material conveying devices for insulation material processing equipment, including base, the top of base is fixedly connected with processing tank, the top of processing tank is provided with driving assembly, the inside of processing tank is slidably connected with inclined plate, the inside of processing tank is rotatably connected with rotating rod, the outside of rotating rod is rotatably connected with first movable shaft, the outside of rotating rod is provided with wave groove, the inside of wave groove is slidably connected with guide rod, the outside of rotating rod is movably connected with second movable shaft, the outside of rotating rod is movably connected with third movable shaft.In the present application, driving assembly drives multi-stage movable shaft to be driven in stages, and the wave groove on rotating rod and guide rod are used to make multi-layer inclined plate reciprocate up and down, while the impact ball of elastic vibration assembly and spring produce superimposed high-frequency vibration, and the material on plate area and the blockage in falling hole are shaken off efficiently.

The utility model discloses a geothermal well drilling mud circulating device, and relates to the technical field of geothermal resource development. The vibrating screen comprises a base, a screen box is arranged on the upper surface of the base, a screen frame is fixedly installed between the lower inner walls of the screen box, a screen is fixedly arranged on the upper surface of the screen frame, pressing plates are symmetrically arranged on the upper surface of the screen, and two vibrating motors are fixedly installed in the middle of the screen box. A plurality of pressing devices are symmetrically and fixedly connected to the inner surface of the screen box, a main pressure pipe is fixedly installed on one side of the upper surface of the base, and a plurality of springs are fixedly connected between the bottom of the screen box and the upper surface of the base. The mud box assembly pretreats mud to prevent the screen from being blocked, the pressing device achieves rapid replacement of the screen, and the spray head has the back washing function and the mud circulation function.

The invention discloses a light-weight shock absorber, and belongs to the technical field of shock absorbers. The two ends of the support are provided with bent parts, and an installation cavity is formed in each bent part; the two ends of the central shaft are provided with step structures; the step structure correspondingly penetrates through the mounting cavity and is positioned on the bracket through the positioning assembly; the vibration isolation pieces are correspondingly arranged in all the sets of mounting cavities and arranged on the step structures in a sleeving mode; the ball joint is mounted on the central shaft in a sliding manner; the connecting end of the ball joint has bending dependent variable. According to the structural analysis, the positioning assembly and the support are simplified, and the overall weight is reduced. And meanwhile, the performance is improved, for example, the tightening amount is controlled through an adjusting nut in the positioning assembly, so that adjustment of different rigidity requirements is achieved. An elastic vibration isolation piece net pad is adopted, and hard limiting in the prior art is replaced with flexible applicability limiting. The connecting end of the ball joint has bending dependent variable, so that the displacement required by bending is met, the bending stress is improved, and the service life is prolonged.