875results about How to "Reduce impact" patented technology

The invention belongs to the field of life, and particularly relates to a thermos bottle with visible water storage capacity. The thermos bottle comprises a shell and an inner container arranged inside the shell. A base capable of vertically moving is mounted at the bottom of the shell, an elastic airbag is fixedly connected between the upper end of the base and the lower end of the inner container, a vertical strip opening is hermetically connected onto the side wall of the shell, a transparent tube is fixedly connected into the strip opening, the lower end of the transparent tube is communicated with the elastic airbag, and a piston block is hermetically connected into the transparent tube. The quantity of water in the thermos bottle can be known by observing the position of a piston block, a piezoelectric ceramic is used for power generation when water is injected, an LED (light-emitting diode) lamp in the piston block can emit light, the quantity of the water in the thermos bottlecan be known conveniently by people, and scalding is avoided. In addition, by the aid of an annular air cushion, when the thermos bottle falls, a good buffering function can be achieved, and impact onthe inner container is reduced.

The utility model relates to the technical field of mounting supports, and discloses a signal lamp stable mounting support which comprises a traffic light, a clamping plate is arranged on the outer wall of the traffic light, a wedge-shaped block is fixedly connected to the lower end of the clamping plate, a sliding block is fixedly connected to the rear end of the wedge-shaped block, a supporting plate is arranged at the lower end of the traffic light, and an air cylinder is fixedly connected to the upper end of the supporting plate. The driving end of the air cylinder is fixedly connected with a sliding rod, the sliding rod is slidably connected to the inner side of the wedge-shaped block, a fixing plate is arranged at the rear end of the air cylinder, a sliding groove is formed in the inner wall of the fixing plate, the sliding block is slidably connected to the inner wall of the sliding groove, the bottom end of the supporting plate is fixedly connected with a vertical rod, and the outer wall of the vertical rod is fixedly connected with a hydraulic rod. According to the utility model, the clamping device is driven by the cylinder to replace the traditional traffic light loading and unloading mode, thereby improving the maintenance efficiency and reducing the cost. Meanwhile, the design that anti-collision rubber is combined with hydraulic current limiting is adopted, collision energy is effectively absorbed, the signal lamp is protected against vibration damage, and the service life is prolonged.

The invention relates to the technical field of elevators, and discloses an elevator car interior protection structure based on multi-dimensional buffering, which comprises four groups of first splicing devices, two groups of second splicing plates and eight groups of third splicing plates, the first splicing devices comprise a plurality of groups of first splicing plates, and connecting grooves are formed in the front and rear sides of the plurality of groups of first splicing plates; a first hinge is arranged in a connecting groove of the first splicing plate, a plurality of sets of first connecting devices are connected between the second splicing plates and the third splicing plates, the first splicing devices, the two sets of second splicing plates, the eight sets of third splicing plates and the first connecting devices are matched with screw blocks, so that the device can be quickly assembled; and meanwhile, field processing is not needed, the upper side of the second splicing plate on the front side is movably connected with a turning plate, the device does not need to be fixed to the inner wall of an elevator car after being installed, therefore, rigid connection with an elevator is not needed, and the installation speed and efficiency of the device are improved through the method.

The utility model discloses a conveying device of automobile parts relates to automobile parts conveying equipment technical field, specifically be a kind of conveying device of automobile parts, including support platform, connecting plate, conveying component, the conveying component is fixedly installed on support platform;By setting movable rod in the inclined section of connecting plate, and setting stay area in horizontal section, when automobile parts fall from the end of conveying component, it will push movable rod to open, then enter stay area and be stationary.This design effectively avoids the situation that automobile parts fall to ground damage due to operator not timely receiving material, reduces production cost, improves production efficiency.This process not only realizes the preliminary deceleration to automobile parts, but also buffers the impact force of automobile parts through the elastic action of coil spring, reduces the collision and damage of automobile parts in conveying process, improves the stability of conveying.

The utility model discloses a hydrological monitoring buoy which comprises a floating body and a buffering mechanism, and a buffering cavity is formed in the outer side of the interior of the floating body. The buffering mechanism comprises H-shaped seats, first connecting rods, U-shaped seats, sliding seats, limiting columns and springs, the H-shaped seats are evenly distributed on the side wall, away from the center of the floating body, of the buffering cavity, the upper sides and the lower sides of the interiors of the H-shaped seats are rotationally connected with the first connecting rods through pin shafts, and the ends, away from the H-shaped seats, of the first connecting rods are rotationally connected with the U-shaped seats through second pin shafts; the sides, close to the center of the floating body, of the U-shaped bases are fixedly connected with sliding bases, limiting columns which are evenly distributed are arranged in the buffer cavity, the sliding bases are slidably connected between the two adjacent limiting columns, and the upper ends and the lower ends of the outer surfaces of the limiting columns are movably sleeved with springs. The impact force borne by the hydrological monitoring buoy when the hydrological monitoring buoy encounters an accident is reduced through the buffer mechanism, and damage to the hydrological monitoring buoy is reduced.

The utility model discloses a kind of feeding and discharging devices for sorting, it is related to sorting equipment field, including base, base top is provided with roll lever conveyor and roll lever sorting machine, the feed end of roll lever conveyor is provided with feeding hopper, feeding hopper is fixed in base top, chute is opened on the two side walls of feeding hopper, feeding hopper is provided with poking mechanism inside, poking mechanism includes two mounting seats, mounting seat is slidably connected in chute, rotatingly connected with poking shaft between two mounting seats, poking plate is fixedly connected on poking shaft, the mounting seat of one side is fixedly connected with motor, the output end of motor is fixedly connected with poking shaft. Advantageous effect lies in: the rotation of poking plate is utilized when feeding, so that apple can only be moved to roll lever conveyor in single layer form, avoid apple stacking on roll lever conveyor, so as to avoid apple rolling and produce knock, reduce the damage rate of apple.

The utility model discloses an automobile core rod die with optimized exhaust performance, which relates to the technical field of automobile core rod dies, and comprises a base, the top surface of the base is connected with a top seat in a sliding manner, a lower die is fixedly mounted on the top surface of the base, an upper die is fixedly mounted on the bottom surface of the top seat, an ejection mechanism is mounted in the lower die, and the ejection mechanism is connected with the top seat in a sliding manner. When the mold is used, after the mold is closed, the air suction assembly is used for exhausting air in the cavity, the first telescopic rod drives the first sealing plate to move upwards at the moment, the communication seat forms the maximum ventilation hole diameter, rapid air exhausting is achieved, and after air exhausting is completed, the first telescopic rod drives the first sealing plate to move downwards to be flush with the top face of the upper mold. Due to the fact that the exhaust channel is blocked in real time, molten metal cannot permeate into the exhaust channel, and the flash defect is avoided.

The application discloses a four-corner rubber-coated large tray, which comprises a tray frame body, the tray frame body is arranged in a rectangular shape, the four corners of the tray frame body are arranged in a smooth corner mode, and the four corners of the tray frame body are provided with embedded grooves; a rubber-coated buckle plate is embedded in the embedded groove, and the inner side of the surface edge of the tray frame body is provided with an inner embedded frame embedded at the bottom of the tray frame body. The buckle plate made of rubber-coated material is arranged at the corner of the large tray, so that the impact force during falling can be effectively reduced, and the tray and the internal chip can be prevented from being damaged. Meanwhile, the inner embedded frame can facilitate stacking of multiple trays, and storage and storage of the tray are ensured.

This invention provides a crushing device and self-cleaning method for aluminum ash recycling, relating to the field of aluminum ash recycling technology. The crushing device includes a housing, a rotor rotatably disposed within the housing, hammers mounted on the rotor, and a grate screen disposed below the hammers' rotation path within the housing. The device includes a bracket, multiple grate bars mounted on the bracket, and multiple spacers positioned between adjacent grate bars. The side walls of the grate bars have slots for accommodating the ends of the spacers. Upper and lower chambers are located within the slots surrounding the ends of the spacers. Upper and lower pipelines, communicating with the upper and lower chambers, are located within the grate bars and are connected to different pressure control systems, which control the entry and exit of liquid media into and out of the pipelines and the pressure of the liquid media. The self-cleaning method includes: the liquid media circulating in the upper and lower pipelines heating the grate screen; the expansion and contraction of the upper and lower chambers causing the spacers to jump; and the expansion of the upper and lower chambers fixing the spacers. This invention can automatically heat the screen to dry materials clogging or adhering to it, shaking off the material to achieve self-cleaning.

The present application relates to the technical field of catalyst regeneration, in particular to a gas-solid countercurrent enhanced stripping device for catalyst regeneration, comprising: a mounting frame and an inclined plate assembly. The inclined plate assembly is arranged inside the mounting frame, used for guiding the flow of catalyst particles and capable of prolonging the contact time of catalyst particles with water vapor. Further, when the catalyst particles impact the inclined plate assembly under the action of gravity, the inclined plate assembly can absorb kinetic energy through its elastic deformation, converting rigid collision into cushioned contact. Therefore, on the one hand, the impact force of the catalyst particles on the inclined plate assembly is reduced, which not only slows down the wear of the catalyst particles themselves, but also avoids the abrasion of the inclined plate assembly; on the other hand, the slight vibration induced by elastic deformation can disturb the flow state of the catalyst particles, promoting them to spread evenly on the inclined plate assembly, thereby improving the contact efficiency between the catalyst particles and water vapor and further improving the stripping efficiency.

The utility model belongs to electromechanical equipment technical field especially relates to a kind of electromechanical equipment surface polishing device, including polishing machine main body, the front end of polishing machine main body is fixedly installed with polishing head, dust hood is movably installed below the polishing head, the side surface of dust hood is equipped with air pipe for connecting fan, the inside of the polishing machine is equipped with buffer mechanism.The electromechanical equipment surface polishing device, dust removal mechanism is matched by fan, dust hood, rubber ring and spring one, adsorbs dust, enhances sealing, adapts to different surface, solves dust pollution and other problems;Buffer mechanism uses the floating design of spring two to unload force, reduces impact force, reduces polishing wheel wear, protects equipment, while the setting of ball in polishing machine reduces the friction between components, improves operating stability and smoothness while extending the service life of equipment.

The utility model discloses an acetylene production generator which comprises a generator body, a bottom plate is arranged at the bottom of the generator body, and the generator body is connected with the bottom plate through a buffer structure. The device is reasonable in structure and novel in design, when the whole device is placed, generated impact force can drive the supporting columns to contract in the sleeves through the buffer springs so as to be effectively relieved, the impact force is completely released through the counter-acting force of the buffer springs, and therefore the generator body is effectively protected, and the service life of the generator body is prolonged. The problem that an existing device lacks a buffering device and can damage a generator body during placement is solved, after the device is placed, a lead screw is rotated and driven to move, so that the bottom end of the lead screw is rotationally installed in a threaded hole, a fixing block is fixed, the position of a supporting column is fixed, vibration generated during work of the device is avoided, and the service life of the device is prolonged. And therefore, the device is prevented from being damaged due to vertical shaking.

This invention relates to the field of cable aluminum foil coil processing technology, and particularly to an integrated equipment and method for forming and coating cable aluminum foil coils based on a conical mold. The equipment includes a transport frame and coating wheels. A mold range adjustment mechanism is provided on the outer side of the transport frame, and a position adjustment mechanism is provided on the outer side of the conical mold range adjustment mechanism. The conical mold range adjustment mechanism includes a rotating column, a stabilizing plate fixedly connected to the top of the rotating column, and a conical mold piece on the top of the stabilizing plate. A fixing rod is fixedly connected inside the rotating column, and a movable tube is fixedly connected to the outer side of the fixing rod. In this invention, by adjusting the speed of a primary motor to change the range between the conical mold pieces, and in conjunction with the synergistic effect of the position adjustment mechanism, precise adjustment of the mold range and position can be quickly completed without the need for separate forming and coating processes, reducing equipment space requirements and process connection time.

The utility model discloses an arm support steering limiting mechanism, an arm support and an ore pass dredging device in the technical field of mining instruments, the limiting mechanism comprises a rotary supporting part used for being connected with a front arm support and providing steering, a pair of limiting switches is arranged at the non-rotating end of the rotary supporting part, a limiting switch triggering piece is arranged on the front arm support, and a limiting switch is arranged on the limiting switch triggering piece. The two limiting switches are located at the two ends of the moving path of the limiting switch triggering piece respectively. The limiting switch triggering piece is arranged on the front arm frame, and the pair of limiting switches is arranged on the rotation path of the limiting switches, so that the angle of the front arm frame does not deviate too much compared with the angle of the rear arm frame in the rotation process of the front arm frame relative to the rear arm frame, and stabilization is facilitated; and the rotary supporting part is controlled to stop rotating through contact of the limiting switch, so that the impact force is reduced, and stable operation of the rotary supporting part is ensured.

The utility model belongs to water supply and drainage technical field, a kind of stepped water fall well with high energy dissipation efficiency includes sinking well main body, the upper end of sinking well main body one side is equipped with inlet pipe, the lower end of sinking well main body other side is equipped with drain pipe, sinking well main body is in the stepped water tank of being provided with, each water tank is equipped with sinking basket respectively, sinking basket is equipped with the stone for carrying out energy dissipation to water, the bottom of each water tank and the bottom of sinking basket are all provided with downcomer, the lower side of each water tank is provided with water slope, for the water flow is guided to flow into next stage water tank, the utility makes the water flow that flows from high place gradually flows in water tank, and when flowing in each water tank, water flow is dissipated by the way of multiple impact stone in sinking basket, reduce the impact force generated when water flow falls from high place, and, since sinking basket and water tank are detachable, sinking basket in stone can be replaced after long time use of water fall well, so as to facilitate cleaning and maintenance to water fall well.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

The utility model relates to spinning equipment technical field, concretely is a kind of automatic doffing creel lifting mechanism, it includes: shell, one end of shell is fixedly connected with servo motor, the output end of servo motor passes through one end of shell and is fixedly connected with shaft coupling, one end of shaft coupling away from servo motor is fixedly connected with screw rod, and the other end of screw rod is rotatably connected in one end of shell;The outer surface of screw rod is connected with sliding table by screw thread, and one side of sliding table is fixedly connected with mounting plate and cylinder, slot is set up in sliding table interior, and cover is slidably connected in slot, and both ends of cover are fixedly connected in both ends of shell interior;Servo motor rotates and drives screw rod to rotate, under the action of screw rod and guide rail, sliding table can move up and down, the upper supporting plate and push plate can receive creel, after being moved to specified position with sliding table drive together, cylinder drives push plate and pushes out creel, solve the problem of low doffing precision, yarn cylinder is easily damaged or posture is bad.

This utility model discloses a die-cutting device for conductive shielding SCF (Superficial Carbon Fiber) in mobile phones, relating to the technical field of die-cutting machine equipment. It includes a base, with drive wheel assemblies fixedly connected to both ends of the top of the base. A U-shaped support and a U-shaped worktable are fixedly connected to the top of the base. A first hydraulic rod is fixedly connected to the top of the U-shaped support. A high-frequency punching drive device is slidably connected between the inner walls of both ends of the U-shaped support. One end of the first hydraulic rod passes through the top of the U-shaped support and is fixedly connected to the top of the high-frequency punching drive device. The base provided by this utility model avoids material adhesion to the cutter head, which affects processing efficiency, while also preventing incomplete cutting due to uneven pressure. This solves the problems of material adhesion to the cutter head caused by electrostatic adsorption and uneven pressure, and incomplete cutting, that occur in traditional mobile phone SCF conductive shielding die-cutting devices.

This invention provides a porous wave-damping plate for aquaculture cages, specifically belonging to the field of wave-damping technology for aquaculture cages. It comprises a porous plate, wave-damping buoys, and a hollow cavity structure, forming a highly efficient energy dissipation system. The alternating openings on the surface of the porous plate allow waves to pass through. When waves impact the plate, seawater enters the hollow cavity and drives the internal wave-damping buoys to generate minute movements and collisions, thereby significantly reducing wave height and impact force. This directly protects the fish in the cage from the impact of violent water currents. The invention includes a plate body, which is detachably and fixedly installed on the outside of the cage. The plate body is a hollow plate-like structure with through holes on both the front and back sides, and the cavity of the hollow plate-like structure is filled with several wave-damping buoys for dissipating wave energy. It includes multiple plate bodies, which are spliced ​​together to form a wave-damping plate assembly. The upper end of the plate body is provided with a tenon, and the lower end of the plate body is provided with a mortise. Adjacent plates are interlocked and positioned by the tenon and mortise.

The utility model discloses a kind of hydraulic oil cylinder processing is with convenient clamping device, belong to hydraulic oil cylinder clamping technical field, and it include: base rod, base rod is equipped with empty slot, and the slot mouth of empty slot is located on the end surface of base rod;Telescopic rod, telescopic rod is slidably installed in the inside of empty slot;Multiple inner support components, multiple inner support components are installed between base rod and telescopic rod, and it is arranged in circle array around base rod;Wherein, when telescopic rod slides to the inside of empty slot, inner support component moves to the direction of far from telescopic rod, and is tightly pressed to the inner wall of hydraulic oil cylinder.Inner support component includes: upper rod, the upper end of upper rod is hinged with the end of base rod close to empty slot opening;Lower rod, the lower end of lower rod is hinged with telescopic rod;The utility model is set by multiple inner support components, realizes from inside multiple point tightly pressed hydraulic oil cylinder inner wall clamping and fixing hydraulic oil cylinder, can increase friction force, can also guarantee that the gravity of oil cylinder will not be deviated, to guarantee the stability of clamping.

The utility model discloses a water suction pipe assembly and a drainage system. The water suction pipe assembly comprises a conveying pipeline; the transmission shaft is rotatably arranged in the conveying pipeline; the water suction pipe is communicated with the conveying pipeline; the impeller is arranged on the transmission shaft; the anti-impact assembly is arranged on the transmission shaft and located between the water suction pipe and the impeller. The diameter of the anti-impact assembly is gradually increased in the direction from the water suction pipe to the impeller.

The utility model belongs to the field of sliding door and window, especially a kind of sliding door and window with anti-pinch structure, to the current problem that there is no effective speed reduction when closing, avoid hand clamping when window body is staggered when opening, leading to the problem of hand clamping in the operation process of user, present the following scheme, it includes window frame and two window bodies, two the window body sliding is set in the inboard of window frame;Two the window body all be provided with buffer mechanism for buffering to prevent hand clamping when window body is closed, the window body is provided with anti-pinch mechanism for being abutted with another window body after one of window body is opened, avoid hand clamping when two window bodies are staggered.The utility model in the present application is combined by buffer mechanism and anti-pinch mechanism, which can effectively reduce the closing speed of window body, reduce impact force, prevent hand clamping, adjust the distance between two window bodies after opening, avoid staggered hand clamping, and comprehensively ensure the safety of user in the process of sliding door and window.

This application discloses a sofa inner frame, including a seat frame, a sealing plate on the front of the seat frame, and several connecting tenons on the left and right sides of the seat frame. A backrest frame is connected to the back of the seat frame, and several connecting tenons are also provided on the left and right sides of the backrest frame. A first side panel is provided on the left or right side of the seat frame and the backrest frame, and a second side panel is provided on the other side. Connecting mortises adapted to the connecting tenons are provided on the first side panel and the second side panel. The sofa inner frame also includes an armrest frame, which is located on the left or right side of the seat frame and connected to the seat frame. This application achieves the insertion connection between the seat frame and each side panel, and between the backrest frame and each side panel, by the cooperation of the connecting tenons and the connecting mortises, eliminating the need for brad nails for connection and reinforcement. The mortise and tenon structure not only makes the connection more stable, but also reduces the impact force when entering the wood, avoiding damage to the wood and thus protecting the sofa inner frame and improving its stability.

The present application relates to the technical field of detection equipment, and more particularly to a seamless stainless steel pipe welding defect sensing and detection equipment, which comprises a rack, one side of the upper end of the rack is provided with a three-jaw chuck, the other side of the upper end of the rack is fixedly connected with a detection ring seat, one side of the rack is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a feeding assembly, the bottom end of the fixing frame is fixedly connected with a pre-buried seat, a discharging chute is fixedly connected through the middle of the rack, and a material receiving assembly is symmetrically arranged above the discharging chute. Through the feeding assembly, the steel pipe on the ground can be automatically conveyed into the material receiving assembly and fixed by the three-jaw chuck, manual carrying is not needed, the demand for manual carrying is reduced, the work intensity of workers is reduced, and when the feeding assembly is retracted to the reset position, the protective plate on the pre-buried seat can be automatically closed, the workers are prevented from stumbling, the safety is improved, the efficiency is improved, the time is saved, the cost is reduced, and the product quality is steadily improved.

The utility model discloses a low-noise cross-flow cooling tower which comprises a tower body, a controller fixedly connected to the upper portion of the tower body, fan blades rotationally connected to the upper end of the controller, a shell fixedly installed at the outer ends of the fan blades, and a sound insulation cover fixedly connected to the outer end of the shell. A fixing plate is fixedly mounted on the outer side of the sound insulation cover, and a buffer spring is fixedly connected to the lower end of the fixing plate; the mounting plate is fixedly connected to the inner wall of the tower body, a groove is fixedly formed in the upper end of the mounting plate, a buffer plate is fixedly connected to the front end of the mounting plate, and sound-absorbing cotton is fixedly mounted in the buffer plate, so that the problems that impact noise is generated by impact force of flow on the inner wall of the tower body in the background technology, and noise is caused are solved; and the fan rotates to exhaust hot air in the cooling tower, and when the fan is started, the fan vibrates to generate a large amount of noise, so that eardrums of workers are damaged subsequently.

The present application relates to the technical field of sludge treatment, in particular to a sludge suction dredging device for landscaping and a using method thereof. The device comprises a suction machine and a chassis connected with the liquid inlet end of the suction machine, the inside of the chassis is provided with a suction port assembly for regulating the size of the liquid inlet, the suction port assembly at least comprises two symmetrical elastic rods fixedly connected with the inner wall of the chassis, and the opposite ends of the two elastic rods are rotatably connected with a disturbance plate, the two symmetrical disturbance plates are rotatably arranged in the inside of the chassis, the compression and rebound force generated in the inside of the elastic rod resists the "eight" shape formed by the rotation of the surface of the two symmetrical disturbance plates, so that the flow rate of the sludge is accelerated when the sludge passes through the liquid inlet, and the impact force generated when the sludge enters the liquid inlet opened in the side wall of the chassis is buffered, the rotation shaft of the disturbance plate is connected with an auxiliary disturbance assembly, the elastic rod slides in the inside of the chassis, pushes the disturbance plate to rotate in the inside of the chassis, and regulates the size of the liquid inlet of the chassis.

This invention discloses a wind-resistant reinforced intelligent utility pole, which relates to the field of power construction technology. A connecting base is positioned on the upper side of the utility pole and remains fixed thereto. The lighting fixture is fixedly connected to an external support rod, which in turn is fixedly connected to a mounting frame. The mounting frame is inserted from the top of the utility pole, allowing it to mate snugly with the connecting base. A threaded connection exists between the mounting frame and the connecting base, improving installation efficiency and supporting the lighting mechanism. A rotating device is positioned on an annular groove. When the utility pole encounters strong winds, the wind force acts on the rotating device, causing it to rotate and reducing the frontal wind force and wind load. Furthermore, when the utility pole is installed on the adjustment device, the pole aligns the external plate with the U-shaped plate. The external plate and the U-shaped plate are then plugged in and threaded together, enhancing the fixation effect between components.

The utility model belongs to copper foil hot pressing processing equipment technical field especially for a kind of copper foil hot pressing processing device, including work bench, the upper end of work bench is respectively fixed mounting with heating bearing plate and fixed frame, the top of fixed frame is inserted with guide insertion rod, the top of fixed frame is fixedly installed with hydraulic cylinder, the lower end of guide insertion rod is connected with buffer structure, the output of hydraulic cylinder is fixedly connected with buffer structure, the utility model can accurately control the relative position between cutting tool and pressing plate by limiting component, ensure in hot pressing processing and cutting process, cutting tool can accurately aim at copper foil and carry out cutting, to greatly improve the machining accuracy, simultaneously, the adaptive design of limiting insertion rod and limiting insertion hole, and the reset action of spring two, ensure the stability of cutting tool after multiple uses, reduce the processing error caused by position deviation.

This utility model relates to the field of hydraulic cylinder technology and discloses a buffer sealing structure for resisting hydraulic shock. It includes a cylinder body with an oil inlet and an oil outlet sequentially installed from front to back on the top of the cylinder body. An oil chamber is formed in the middle of the cylinder body. A piston block is slidably connected inside the cylinder body, located in the middle of the oil chamber. A piston rod is slidably connected to the middle of the cylinder body, and the piston rod is connected to the piston block. A sealing ring is installed on the outer periphery of the piston block. A movable ring is slidably connected to the middle of the piston block, and a buffer pad is installed on the outer side of the movable ring. In this utility model, when the piston block slides in the oil chamber and approaches the end of the cylinder body, the buffer pad contacts the inner wall of the cylinder body end, thereby pushing the movable ring to compress the compression spring. The compression spring absorbs and reduces the impact force, while the buffer pad prevents further absorption and reduction of impact force and avoids wear caused by collision.

The application relates to a special clamp for surface treatment of an inverter copper piece, which comprises a base, a clamping unit, a flexible contact layer, a positioning pin assembly and a support adjusting mechanism. The clamping unit increases the contact area through adjustable clamping arms and the flexible contact layer, the positioning pin assembly reduces the impact force by using a spring buffer device, and the support adjusting mechanism provides uniform support through telescopic support rods. The application can effectively solve the problems of insufficient clamping area, uneven clamping force and insufficient support capacity of the existing clamp, avoid deformation or surface damage of the copper piece, ensure the uniformity of the surface treatment layer, simultaneously adopt a chemical corrosion resistant material, adapt to copper pieces of various shapes and sizes, and improve the applicability and treatment quality.