533results about How to "Realize the buffering effect" patented technology

The invention relates to the field of check valves, and particularly discloses a check valve with impact resistance, which comprises a valve seat, the valve seat is mounted in a pipeline, a control assembly matched with the valve seat is arranged in the pipeline, a friction assembly is arranged on the control assembly, and the friction assembly is connected with the valve seat. The pipeline is provided with a water storage assembly communicated with the friction assembly, and the water storage assembly is provided with an extrusion assembly used for pressurization. According to the invention, the water flow control capability can be realized, the slow closing function of the control assembly can be realized when the liquid is suddenly stopped, the phenomenon that the water flow is suddenly stopped can be reduced, when the water hammer effect is generated, the backflow water can be dispersed in time, the water flow impact force can be reduced, the water flow storage buffer effect can be realized, and the water flow impact can be further reduced; therefore, impact force of water flow on the pipeline, the valve seat and the control assembly is greatly reduced, abrasion is slowed down, safe and stable operation of a pipeline system is guaranteed, stability of the system is improved, and the service life of the system is prolonged.

The invention discloses a broken belt buffering and clamping mechanism for a stretcher, and belongs to the technical field of stretchers. The device mainly comprises a workbench; the clamping device comprises a lower clamping assembly and an upper clamping assembly, the upper clamping assembly comprises a supporting frame, two moving modules are arranged in the supporting frame, and a cross beam is arranged at the output ends of the moving modules; a limiting ring is mounted in the chassis; knobs are mounted on the screws in a threaded manner; one end of each sliding rod is provided with an end head; two groups of damping springs; the connecting cylinder is mounted at the bottom of the movable disc, and an upper clamping part is arranged on the connecting cylinder. According to the broken belt buffering and clamping mechanism for the stretcher, through the arrangement of the upper clamping assembly and the lower clamping assembly, the whole to-be-tested object can be buffered after the to-be-tested object is broken, the situation that connecting parts between the upper clamping assembly and the stretcher and between the lower clamping assembly and the stretcher are affected is avoided, and the effect of buffering the whole clamp during belt breaking is achieved.

The utility model belongs to the technical field of anti-collision protection devices, and provides a traffic transportation anti-collision protection device which comprises a bottom plate, a vertical plate is fixedly installed on one side of the bottom plate, and three supporting rods are connected between the bottom plate and the vertical plate. The three supporting rods are arranged between the bottom plate and the vertical plate, so that the vertical plate is stressed more strongly, meanwhile, the protection plate is arranged on one side of the vertical plate, a vehicle is protected through the protection plate, the first spring dampers are arranged between the protection plate and the vertical plate, and meanwhile, the rubber plate and the air bag are arranged on one side of the protection plate. The buffering effect on a vehicle is achieved, the situation that the vehicle directly impacts on the guardrail to cause damage is avoided, a groove is formed in one side of a vertical plate, a sliding block and a second spring damper are arranged in the groove, meanwhile, a force unloading rod is hinged between the sliding block and a protection plate, after the protection plate is impacted, force can be transmitted to the second spring damper through the force unloading rod, and the protection plate is prevented from being damaged. And the protection capability of the device is further improved.

The invention discloses a multi-stage damping semi-active magnetoelectric damper capable of recycling energy. Relates to the technical field of engineering structure shock-absorbing dampers, and comprises a transmission mechanism, the transmission mechanism comprises a spring box, power springs, steel wires and a rotor, the spring box is provided with an upper part and a lower part, the steel wires and the power springs are respectively arranged in the upper part and the lower part of the spring box, the rotor is arranged in the middle of the spring box, and one ends of the two steel wires are connected and wound on the rotor; lug rings are arranged at the other ends of the two steel wires, the inner ring ends of the two power springs are fixed to the rotor in a penetrating mode, and the other ends of the two power springs are connected with the spring box; the buffer mechanism comprises a first-stage buffer unit, a second-stage buffer layer and a third-stage buffer unit, and the first-stage buffer unit, the second-stage buffer layer and the third-stage buffer unit are sequentially arranged on the two spring boxes; by means of the novel damper capable of achieving multi-order mixed control over acceleration, speed and displacement, an engineering structure can meet the self-adaptive damping requirement during vibration.

The utility model relates to a machine tool machining center sliding guide rail unloading device which comprises a guide rail body and an object placing plate, a sliding unloading mechanism is arranged in the object placing plate, a positioning dismounting assembly is arranged in the object placing plate, the sliding unloading mechanism comprises an object placing plate connected to the outer side of the guide rail body in a sliding mode, and the object placing plate is connected with the guide rail body in a sliding mode. And two buffer cavities are formed in the storage plate, and upper push plates are movably connected into the buffer cavities of the storage plate. According to the unloading device for the sliding guide rail of the machine tool machining center, pressure can be applied to the upper push plate through the arranged buffering assembly, so that the rollers in the mounting frame abut against the guide rail body, load buffering and unloading are achieved, and the influence of friction on sliding of the storage plate on the outer side of the guide rail body can be reduced through the arrangement of the rollers and the balls; and therefore, the service life of the storage plate and the guide rail body is prolonged while smooth sliding of the storage plate is guaranteed, use is convenient, and the practical effect of the device is effectively improved.

The utility model relates to the technical field of auxiliary positioning and guiding devices for dies, and provides an auxiliary positioning and guiding device for a progressive die, which comprises a base and a connecting plate arranged above the base. By arranging the buffer structure, the hydraulic rod can drive the connecting plate to move up and down when ascending and descending, the pressing plate can descend when the connecting plate descends, when the pressing plate descends to the top end of the lower die base, the pressing plate can press a casting at the top end of the lower die base in advance, then the connecting plate continues to descend, and the connecting rod and the clamping block can stretch out upwards through the groove; at the moment, the spring is in a compressed state and can play a buffering role on the connecting plate during stamping, so that vibration generated when the upper die base and the lower die base collide is reduced, the situation that the positions of a die casting and a die deviate due to vibration is avoided, and the device has the buffering and pre-pressing functions; and the working efficiency of the auxiliary positioning and guiding device for the progressive die in use is improved.

The invention discloses a water rotation type paint spray booth wastewater treatment device, and belongs to the technical field of wastewater treatment.The water rotation type paint spray booth wastewater treatment device comprises a water flow buffering mechanism, a wastewater separation mechanism is arranged below the water flow buffering mechanism, and paint slag separation filter cloth is fixedly installed in the wastewater separation mechanism; a separation driving mechanism corresponding to the paint slag separation filter cloth is mounted on one side of the rear end of the wastewater separation mechanism, and a spraying separation mechanism is fixedly mounted on the separation driving mechanism; the bottom of the rear end of the wastewater separation mechanism is connected with a flow guide mechanism communicated with the wastewater separation mechanism; and the rear end of the flow guide mechanism is fixedly connected with a filtered water storage mechanism. By designing the water flow buffer mechanism, the water flow can be further buffered and dispersed, so that the impact force of the water flow entering the wastewater separation mechanism below is greatly reduced, the disturbance caused after the water flow enters the wastewater separation mechanism is further reduced, and the follow-up paint slag and impurity interception and separation effect is further ensured.

The utility model discloses a glass curtain wall with a high-strength connecting structure, which belongs to the technical field of glass curtain walls, and is technically characterized by comprising a curtain wall main body, and the curtain wall main body is of a three-layer stacking structure through an arranged butt joint stable mounting mechanism. The transparent sound insulation film for sound insulation is arranged at the joint of the inner-layer curtain wall body and the outer-layer curtain wall body, so that the sound insulation performance of the glass curtain wall is improved, meanwhile, the butt-joint stable installation mechanism also prevents external dust and water from entering a butt-joint installation gap, installation sealing protection of the glass curtain wall is achieved, and the service life of the glass curtain wall is prolonged. In addition, the overall installation stability of the curtain wall is correspondingly achieved through the butt joint stable installation mechanism, the supporting strength and rigidity of the glass curtain wall in use are remarkably improved, the stability is high, vibration and pressure can be buffered and dispersed through the arranged pressure-resistant buffering mechanism, pressure-resistant protection of the glass curtain wall is achieved, the pressure-resistant and anti-seismic performance is high, and the service life of the glass curtain wall is prolonged. The connecting structure has the advantages of good connecting stability and high strength.

The utility model provides an anti-scouring stop valve, which relates to the technical field of valves and comprises a stop valve body, a wear-resistant sleeve is mounted on the inner side of the stop valve body, a group of stable structures matched with bolts are mounted on the upper portion of the stop valve body, and each stable structure is composed of a cover plate, a support frame, a locking bolt and a positioning bolt. A transverse rotating hole is formed in the upper portion of the supporting frame. A stepped groove, a buffer block, a flow control hole and a wear-resistant sleeve are arranged in the stop valve body, the stepped groove, the buffer block, the flow control hole and the wear-resistant sleeve are matched with one another to achieve the liquid buffering effect, the impact force of liquid on the sealing valve clack is reduced, and the sealing ring is arranged to achieve the effect of further sealing the liquid; the sealing service life of the sealing valve clack to liquid is prolonged, the abrasion-resistant sleeve makes slight contact with the sealing valve clack, the abrasion-resistant sleeve is independently arranged so that the abrasion-resistant sleeve can be conveniently and independently replaced after being abraded, and the cost that an existing stop valve body needs to be integrally replaced is reduced.

The invention discloses an LED display screen for multimedia teaching, and belongs to the technical field of display screens, the LED display screen comprises a display screen module main body, the display screen module main body is composed of a display screen mounting rear cover, a display screen mounting frame plate and an LED display module, the surface of the LED display module is provided with a touch protection film, and winding sleeves are arranged on the two sides of the display screen mounting frame plate; the winding sleeves located on the two sides are connected with the two ends of the touch protection film correspondingly, and a winding tensioning buffering wheel set used for adjusting the distance of the touch protection film is arranged on the display screen installation frame plate. A display mode and a protection mode are set according to different states of the display screen in teaching use, a touch protection film on the surface of the display screen can be controlled to provide a touch screen anti-scratch function in the display mode by switching the winding and tensioning buffer wheel in the different modes, and the touch screen can be protected from being scratched by utilizing the toughness of the touch protection film in the protection mode. The impact force generated by damage is absorbed and buffered, so that the display screen is effectively protected.

The utility model discloses a self-lubricating stamping die, and belongs to the technical field of stamping dies. The self-lubricating stamping die comprises a workbench and a punching machine body and further comprises guide columns and a buffer mechanism which are located on the two sides of the upper end surface of the workbench, a lower die is fixedly installed at the front end of the upper end surface of the workbench, and a connecting plate is connected to the front end surface of the punching machine body. A mounting plate is arranged at the lower end of the connecting plate, an upper mold is fixedly mounted on the surface of the lower end of the mounting plate, guide blocks are fixedly connected to the two sides of the mounting plate, and guide grooves are formed in the side surfaces of guide columns. The problem that an existing stamping die is poor in stability is solved, when the mounting plate drives the upper die to move up and down, the guide blocks on the two sides of the mounting plate slide in the guide grooves synchronously with the mounting plate, the limiting effect is achieved, and the phenomenon that the upper die moves up and down frequently and deviates can be effectively avoided.

The present invention relates to the technical field of unmanned aerial vehicles for power grid line inspection, and discloses an unmanned aerial vehicle for power grid line inspection, including an unmanned aerial vehicle body, support rods are arranged on the left and right side walls of the bottom of the unmanned aerial vehicle body, support mechanisms are arranged at the bottoms of the two support rods, the two support rods can be adaptively swung to perform landing buffering, and the two support mechanisms can perform buffering landing with the ground. The unmanned aerial vehicle for power grid line inspection, the present invention provides a balancing mechanism between the two support rods and the bottom walls on both sides of the unmanned aerial vehicle body, so that when the unmanned aerial vehicle body lands, the support rods can adaptively squeeze with the hard objects on the bottom surface, so that the support rods can be flipped and offset at a certain slight angle, thereby ensuring the stability and stability of the unmanned aerial vehicle body when landing, and solving the problem of tilting and tilting of the unmanned aerial vehicle body when landing.

The invention relates to the technical field of buffering oil cylinders, and discloses a buffering oil cylinder with high buffering performance and a working method of the buffering oil cylinder. A one-way valve is movably connected to a buffering plunger through a spring, a rod cavity and a rodless cavity are each provided with two connecting cavities, and one connecting cavity communicates with the one-way valve through a buffering hole; when the piston is about to move to the end of the rod cavity of the cylinder body, hydraulic oil pushes the one-way valve to compress the spring, the communication position of the rod cavity and the buffer plunger is closed, a closed space is formed between the piston and the cylinder body, and due to the incompressible characteristic of liquid, the pressure changes sharply, so that the piston is prevented from falling off. Therefore, the buffering effect is achieved, high-pressure impact can be avoided, and the hydraulic system can operate more stably and efficiently while the buffering effect is guaranteed.

The invention discloses an insulator wire positioning device, and relates to the field of power devices. The prior art cannot effectively cope with wire shaking, unstable positioning and non-uniform insulator stress, so that wire installation is difficult, abrasion is aggravated, and potential safety hazards are increased. The cable winding device comprises an insulator, a cable installed at the top end of the insulator, a clamp clamped on the side wall of the insulator, a pressing seat assembly, a winding module and a guiding module. According to the technical scheme, wire shaking, abrasion and stress concentration are remarkably reduced, and the safety and reliability of a power transmission line are comprehensively improved. The pressing seat assembly is stably installed at the top end of the insulator by pressing the cable, and the influence of external factors on the cable is prevented. The winding module is matched with the pressing base assembly to form a ratchet wheel structure rotating in one direction, the cable is wound on the side wall of the clamp, lateral displacement of the cable is limited, and deviation caused by external force such as wind power is reduced. And the guide module controls the shaking of the cable by adjusting pressing holding at different heights, so that the stability of wire installation is improved.

The utility model discloses a heat dissipation type millimeter-wave radar, which relates to the technical field of millimeter-wave radar equipment and comprises a millimeter-wave radar body and a bottom plate, the millimeter-wave radar body comprises a lower shell, a radar PCB (printed circuit board) and an upper shell, the radar PCB is fixedly mounted in the lower shell, a guide assembly is arranged between the lower shell and the upper shell, and the guide assembly is fixedly mounted in the lower shell. The lower shell and the upper shell are connected through a fastening assembly, and a plurality of cooling fins are arranged on the outer walls of the peripheral sides of the lower shell and the upper shell. When the millimeter-wave radar is used and in the advancing process of a vehicle, air is blown into the air inlet pipe through the expansion suction disc and drives the cooling fan to rotate, then the cooling fan is driven to blow cold air to the millimeter-wave radar body, and due to the fact that narrow air channels are formed among the multiple cooling fins arranged on the outer walls of the peripheral sides of the lower shell and the upper shell, heat can be rapidly taken away when the cold air is blown, and the service life of the millimeter-wave radar is prolonged. The millimeter-wave radar is prevented from failure caused by high temperature in use, and the service life of the millimeter-wave radar body is prolonged.

The invention relates to the technical field of mine rail vehicle braking, and particularly discloses a passive mine rail vehicle brake which comprises a frame, wheels are rotationally connected to the lower ends of the left side and the right side of the frame through mounting seats, fixing plates are fixedly connected to the lower ends of the front side and the rear side of the frame, and the fixing plates are located between the two wheels. Brake mechanisms are arranged at the adjacent ends of the two fixing plates, auxiliary brake mechanisms are arranged at the upper ends of the wheels, and the brake mechanisms are in transmission connection with the auxiliary brake mechanisms through transmission mechanisms. When the driving mechanism runs, the brake mechanism can be driven to work, so that the braking effect is achieved, after a first brake pad in the brake mechanism is worn out, an auxiliary brake mechanism can be driven to work through the transmission mechanism, and then the situation that the construction progress is affected due to the fact that replacement is conducted by parking on a rail can be avoided; and when the vehicle runs to a specified maintenance position, the driving distance is increased, and the risk in the transportation process is increased.

The safety hydraulic oil cylinder for the hydraulic disc brake comprises a hydraulic oil cylinder body, a piston rod used for supporting is arranged in the hydraulic oil cylinder body, a sealing mechanism is arranged between the piston rod and the hydraulic oil cylinder body, and the sealing mechanism comprises a mounting plate mounted at the top end of the hydraulic oil cylinder body; a sealing piece used for sealing the piston rod is arranged between the piston rod and the mounting plate, an annular groove used for relieving stress is formed in the outer surface of the sealing piece, and a plurality of air holes used for exhausting are formed in the annular groove. According to the hydraulic oil cylinder, the stress borne by the sealing element in the installation and use process can be effectively relieved, meanwhile, dynamic pressurization is conducted on the sealing element through flowing of hydraulic oil in the hydraulic oil cylinder, the mechanism can automatically adjust the sealing pressure along with the working state of the hydraulic oil cylinder, and it is guaranteed that the good sealing effect can be kept under any working condition.

The invention discloses a method for protecting a transistor, a protection circuit and a control circuit. The protection circuit comprises a first protection circuit; one end of the first protection circuit is connected with the driving signal output end of the driving circuit, and the other end is connected with the driving end of the to-be-driven transistor; the first protection circuit is used for sharing the charging voltage of the driving end capacitor of the transistor to be driven when the driving voltage provided by the driving circuit enables the first voltage of the first protection circuit not to reach the first working voltage; when the driving voltage provided by the driving circuit enables the first voltage to reach the first working voltage, entering a first conduction state, and controlling the conduction or turn-off of the to-be-driven transistor according to the driving voltage in the first conduction state; and under the condition that the transistor to be driven is conducted, when the driving voltage provided by the driving circuit enables the second voltage of the first protection circuit to reach the second working voltage, the first protection circuit enters a first turn-off state, and the transistor to be driven is controlled to be turned off or conducted after entering the first turn-off state.

The invention relates to a pressure control device and method, a solid fuel cell system and a control device. The pressure control device comprises control equipment, a buffer container and pressure adjusting equipment, the control equipment is used for acquiring pressure fluctuation information and temperature information of a working medium in the solid fuel cell system and determining a control mode of the pressure control device according to the pressure fluctuation information and the temperature information; and the pressure adjusting equipment is used for controlling the pressure of the working medium flowing through the buffer container in the solid fuel cell system based on the control mode under the control of the control equipment. In the embodiment of the invention, due to the addition of the buffer container in the solid fuel cell system, when the pressure of the working medium in the solid fuel cell system fluctuates, the inherent space provided by the buffer container can provide a certain amount of buffer capacity, so that the pressure fluctuation is buffered. And the pressure of the working medium flowing through the buffer container can be controlled by controlling the pressure adjusting equipment, so that a pressure fluctuation inhibiting effect is achieved.

The utility model discloses a flexible installation structure of a solar panel, which can realize flexible connection, so that the solar panel has certain buffering capability when being stressed. The flexible installation structure of the solar panel comprises the solar panel, a rope and a fixing assembly. The fixing assembly comprises a connecting plate, a pressing block, a hoop, a first bolt and a first nut. The connecting plate is provided with a pair of first through holes; the pressing block is arranged above the connecting plate and provided with a pair of second penetrating holes opposite to the first penetrating holes, and a pressing plate is arranged on the side edge of the pressing block. The hoop is arranged below the connecting plate and is provided with a pair of third through holes opposite to the first through holes; the frame of the solar panel is clamped between the upper surface of the connecting plate and the pressing plate, and the rope is clamped between the lower surface of the connecting plate and the hoop; and the first bolt penetrates through the second through hole, the first through hole and the third through hole and is locked with the first nut.

This utility model discloses a centralized transfer bracket for anti-displacement cast steel parts after production. It includes a base plate, with lifting plates fixedly connected to both sides of the base plate surface. A buffer assembly is installed on one side of the base plate's interior, and a support assembly is installed on the other side. The buffer assembly prevents the box containing the cast steel parts from bumping or knocking, while the support assembly supports the device. Through the design of the base plate, lifting plates, buffer assembly, and support assembly, when the surface of the support assembly is subjected to pressure during use, the support structure within the support assembly automatically opens to support the device. When not in use, it automatically retracts. Simultaneously, the buffer assembly also cushions the box containing the cast steel parts, preventing the box from slipping and damaging the cast steel parts during transport. This achieves the effect of reducing the space occupied by the bracket and preventing damage to the cast steel parts.

The utility model discloses a central air conditioning pipeline noise reduction assembly, including central air conditioning ventilation pipeline, the inside of central air conditioning ventilation pipeline is provided with central air conditioning ventilation pipeline, the inside of central air conditioning ventilation pipeline is provided with noise reduction assembly no.

The utility model belongs to the technical field of electric cylinders, particularly relates to an electric cylinder with a buffer structure, and aims to solve the problem that in the prior art, when a piston rod is out of control in actual use, the piston rod quickly falls back under the action of gravity and is easy to collide with a cylinder body of the electric cylinder, so that the electric cylinder is damaged. The device comprises a mounting plate; the device comprises a mounting plate, an electric cylinder, a top plate, two limiting rods and two buffer boxes, the electric cylinder is fixedly connected to the top of the mounting plate, the top plate is fixedly connected to the top of the electric cylinder, the two limiting rods and the two buffer boxes are symmetrically and fixedly connected to the bottom of the top plate, and the two buffer boxes are symmetrically and fixedly connected to the top of the mounting plate; by means of the simple structure, the buffering effect on the electric cylinder is achieved, the piston rod is prevented from colliding with a cylinder body of the electric cylinder when the electric cylinder is out of control, damage to the electric cylinder is avoided, and the buffering device has high practicability.

The utility model discloses an impact tank for diamond impact strength detection, which comprises a base, a tank body, a cover plate, a buffer mechanism, an adjusting mechanism, a moving mechanism, a protection mechanism, a fixing mechanism and a storage table, the tank body is arranged above the base, the cover plate is arranged on the upper side of the outer part of the tank body, and the buffer mechanism is arranged on the cover plate. A buffering mechanism used in cooperation with the base is arranged at the bottom end of the exterior of the tank body, an adjusting mechanism is arranged below the cover plate, protection mechanisms are arranged on the front side and the rear side of the interior of the tank body, two fixing mechanisms symmetrically distributed front and back are arranged on the inner wall of the tank body, and a storage table is arranged in the middle of the lower end of the interior of the tank body. And moving mechanisms used in cooperation with the impact heads are arranged on the opposite sides of the two first sliding blocks. Compared with the prior art, the utility model has the advantages that the detection position is convenient to adjust, and various detection requirements are met; and vibration generated by the equipment is buffered, and the service life is prolonged.

The utility model discloses double-layer laminated glass and relates to the technical field of glass. The double-layer laminated glass comprises a laminated glass body, a sleeve seat and a positioning base, the sleeve seat and the positioning base are arranged on the outer side of the laminated glass body, a first rubber ring is movably clamped in the sleeve seat, a second rubber ring is movably clamped in the positioning base, and a locking mechanism is arranged between the sleeve seat and the positioning base. According to the double-layer laminated glass, loading of the laminated glass body is convenient through the sleeve base, the positioning base and the locking mechanism, the laminated glass body is protected through the sleeve base and the positioning base, sealing and buffering of the laminated glass body are achieved through the first rubber ring and the second rubber ring, and when the first rubber ring and the second rubber ring are aged, the first rubber ring and the second rubber ring are sealed and buffered. And the first rubber ring and the second rubber ring can be conveniently and rapidly replaced and maintained, so that the device is easy to maintain, and the use requirements are met.

The present invention relates to the technical field of cooking wine fermentation, and specifically to a production process of zero-additive fermented cooking wine, which is produced using a fermentation device; wherein the fermentation device comprises: a fermentation barrel, the bottom of which is fixedly connected to a fermentation funnel; a yeast discharge mechanism, the yeast discharge mechanism comprises a plurality of discharge rings fixedly connected to the inner wall of the fermentation barrel, each discharge ring being away from the outer peripheral surface of the fermentation barrel and having a plurality of groups of row holes in an annular array; a stirring and mixing mechanism, the stirring and mixing mechanism comprising a diversion barrel rotatably connected to the inside of the fermentation barrel. Yeast can be evenly discharged into various positions in the fermentation barrel through the discharge ring and the row holes in the yeast discharge mechanism. Since the discharge ring is in a circular ring shape, this design can ensure that the yeast is evenly distributed in the annular pipe, and since the row holes are located at both ends of the discharge ring, the yeast can be more evenly distributed to different positions in the malt koji, thereby achieving a more comprehensive distribution of the yeast in the malt koji.

The utility model discloses a deformation monitoring surveying and mapping device capable of automatically alarming, which comprises a detector and a detection plate, a levelness adjusting structure and a protective structure are mounted on the detection plate, and the detector is mounted on the protective structure on the detection plate; the utility model relates to the technical field of monitoring surveying and mapping, the design of the protective ball arc sleeving block can fully utilize the kinetic energy of falling particles, and the kinetic energy is converted into the elastic deformation of the spring through the rotational motion of the protective ball arc sleeving block, so that the kinetic energy is effectively consumed and buffered, and possible impact and damage are prevented; the rotary arc shaft and the sleeved arc spring are combined for use, so that additional rotary buffering is provided, and the stability and the reliability of the whole buffering system are enhanced; and repulsion buffering circular ring magnets are introduced, the rotation effect of the protection ball arc sleeving block is further enhanced through mutual repulsion force, and the kinetic energy conversion efficiency is improved.

The utility model relates to the technical field of floor buffering, in particular to a floor buffering structure. The utility model discloses a substrate. One surface of the base plate is a treading surface; the other surface of the substrate is a buffer surface; a limiting cavity defined by the side walls is formed in the buffering face. A limiting block is mounted in the limiting cavity; the peripheral side walls of the limiting block are attached to the inner wall of the limiting cavity. The limiting block comprises a buffering part arranged in the limiting cavity and a protruding part arranged on the side away from the buffering face. The projection size of the protruding part is smaller than that of the buffering part.

The utility model discloses a punching machine shock pad of a punching die, which comprises a pad table, adjusting columns and a ground mat, the adjusting columns are arranged at four corners of the pad table, and the ground mat is arranged at the bottom ends of the adjusting columns. According to the punching machine shock pad of the punching die, a rubber pad in a butt joint frame makes contact with the ground, it is kept that no gap is directly reserved between the rubber pad and the ground, then an adjusting end is rotated, and a connecting column rotates on an upper threaded rod through a threaded groove, so that the height of the connecting column and the height of a bearing plate are adjusted, and after the height of the bearing plate is adjusted, the bearing plate is fixed. The bearing plate lifts the cushion table upwards, the cushion table is kept in the horizontal state, and after the cushion table is kept horizontal, the supporting column of the punching machine can be inserted into the bearing groove in the center area of the cushion table to help the punching machine to conduct damping in the punching process.

The invention relates to the technical field of display, and discloses an electronic paper display device which specifically comprises a first substrate layer, a second substrate layer, a common electrode layer, an electrophoresis layer and a buffer layer, the first substrate layer comprises a top substrate, the second substrate layer comprises a bottom substrate and a pixel electrode layer, and the electrophoresis layer comprises electrophoresis liquid, electrophoresis particles and a supporting structure. The supporting structure divides the electrophoresis layer into a plurality of sub electrophoresis areas, the buffer layer is arranged between the electrophoresis layer and the first substrate layer, the buffer layer comprises a flexible substrate and a buffer structure, and orthographic projection patterns of the supporting structure and the buffer structure on the flexible substrate are at least partially overlapped. The first substrate layer can be prevented from being in direct contact with the electrophoresis layer when extruded by external force, buffering is achieved through the buffering layer, the overall structure of the electrophoresis layer is kept stable, and then the electrophoresis layer is kept in a stable display state. The invention further discloses electronic equipment comprising the electronic paper display device.