41results about How to "Good damping effect" patented technology

The invention relates to a water-soluble conducting polyaniline static-free damping paint and a preparation method thereof, belonging to a static-free damping paint. The water-soluble conducting polyaniline static-free damping paint contains the following raw materials in portions by weight: 20-40 portions of basic materials commixed by styrene-acrylic emulsion and water-based elastic acrylic emulsion dedicated for the water-based damping paint; 20-50 portions of fillers being several ones of lamellar mica powder, precipitated calcium carbonate, zinc phosphate, talc powder, titanium pigment, precipitated barium sulfate and silica sand; 25-50 portions of static-free fillers being water-soluble conducting polyaniline solution; 1-5 portions of fire retardants; and 2-6 portions of film forming assistants. The invention has the advantages that water-soluble emulsions are used as basic materials to ensure that the paint has such features as no position, no smell, incombustibility, no environmental pollution and easy construction; excellent damping effect and vibration-absorption effect are guaranteed; besides, as water-soluble conducting polyaniline solution is used as the static-free filler, the water-soluble conducting polyaniline static-free damping paint has the static-free function not available in the damping paint.

The invention relates to an electric balance car, in particular to a double-wheel electric balance swing car which is more reasonable in design and more flexible to control. The double-wheel electric balance swing car comprises an upper cover, a middle supporting frame and a lower cover. Two symmetrically-distributed empty grooves are formed in the upper cover. Pedals are arranged in the empty grooves and formed by connecting rubber pedal covers and pedal plastic parts. After the outer faces are abraded, only the pedal covers need to be replaced. Evenly-distributed arch-shaped protrusions are arranged on the upper surface of the rubber pedal covers, abrasion is not prone to happening, and the damping effect is good. A spindle is arranged in the middle segment of the middle supporting frame and sleeved with a left sleeve pipe and a right sleeve pipe. A copper ring is arranged between the left sleeve pipe and the right sleeve pipe. After the copper ring is fixed, no deviation happens to mounting of the left sleeve pipe and the right sleeve pipe, and therefore the rotating effect of a car body cannot be influenced. The left sleeve pipe and the right sleeve pipe are fixed to the middle supporting frame through clamp springs. A cycle of optical sensing rubber is arranged on the outer edge of a gyroscope. When the double-wheel electric balance swing car is used at night, speed is correspondingly reduced, and potential safety hazards are eliminated when a user goes out at night.

The invention provides an electromagnetic damping device and method with a three-dimensional magnetic field. The electromagnetic damping device comprises a U-shaped iron core, magnetic multipoles and a damping aluminum sheet, wherein the magnetic multipoles are symmetrically clung to the two opposite surfaces of the U-shaped iron core; each surface of the U-shaped iron core is formed by staggered connection of a plurality of permanent magnets N and S; the damping aluminium sheet is positioned in an air gap of the U-shaped iron core and is fixedly connected with a mechanism to be damped. The electromagnetic damping device and method provided by the invention have the advantages that the three-dimensional magnetic field is formed by adopting staggered distribution of the plurality of permanent magnets N and S, so that not only is the requirement on non-uniform magnetic field met, but also the magnetic force of the magnetic field in all directions is large, so that a good damping effect of the damping aluminium sheet moving in all the directions is realized; simultaneously, a non-contact structure and the non-magnetic-permeable damping aluminium sheet guarantee that electromagnetic damping can not generate any additional force, so that the measuring accuracy is guaranteed, and the device and the method can be applied to a precision electromagnetic balance and other fields requiring elimination of mechanical vibration.

The invention relates to a furniture damping overturning opening and closing adjusting mechanism which comprises an overturning device. The overturning device comprises a pushing element, a connecting arm assembly and a fixing element; the pushing element is hinged to the fixing element through the connecting arm assembly, a damping assembly is arranged between the pushing element and the fixing element and comprises a level element and a damper, the damper is arranged on the fixing element, and the lever element is rotationally arranged on the fixing element; the two ends of the lever element act with the damper and the pushing element at least when the pushing element is overturned and closed by a section of stroke; the pushing element acts on the damper through the lever element at least when overturned and closed by the section of stroke, the damper is compressed and generates buffer force, and therefore the pushing element is overturned and closed to the fixing element in a damping manner; and an adjusting assembly is arranged on the lever element, the force arm, acting on the damper and / or the pushing element, of the lever element changes through the adjusting assembly by means of tools or manual actions, and therefore the buffer force of the damper is adjusted.

An elastic turnover mechanism for furniture comprises a fixed base, a connecting arm assembly and a fixed element; the fixed base is hinged to the fixed element through the connecting arm assembly, an elastic device is arranged on the fixed element, the fixed base is elastically turned over and opened and closed on the fixed element through the elastic device, the connecting arm assembly at least comprises an actuating arm, the actuating arm is rotatably arranged on the fixed element through a pin shaft and provided with an adjusting device, and the adjusting device at least comprises an adjusting screw rod; the adjusting screw rod is rotatably positioned on the actuating arm, the elastic device at least comprises a pressure spring, a rotating pin is arranged between the pressure spring and the fixed element, a rotating shaft is arranged between the pressure spring and the adjusting screw rod, one end of the elastic device is rotatably positioned on the fixed element through the rotating pin, and the other end of the elastic device elastically and rotatably acts on the adjusting screw rod through cooperation of the pressure spring and the rotating shaft and slides on the actuating arm through adjusting of the adjusting screw rod; through structural improvement, the practicability is high.

The invention relates to a lifting handle, which comprises a handle and a handle base, wherein the lower end of the handle is provided with connecting columns; connecting sleeves are arranged on the handle base; the connecting columns are matched with the connecting sleeves, so that the lower end of the handle is connected with the handle base in a rotational mode; return springs are positioned between the connecting columns of the handle and the connecting sleeves of the handle base and are used for providing elastic force for the fit return of the handle; a damping sleeve is arranged between the other side of each of the connecting columns of the handle and the connecting sleeves of the handle base; damping grease is arranged between the damping sleeves and the connecting columns; positioning blocks are arranged on the damping sleeves; positioning grooves are formed on the connecting sleeves; the positioning blocks of the damping sleeves are matched with the positioning grooves of the connecting sleeves; the damping sleeves are provided with gaps; and when the handle is pulled up, the rotation direction of the connecting columns corresponding to the gaps is consistent with that of the stretching of the gaps. The lifting handle has the characteristics of simple structure, good return effect and good damping and buffering effect.

The invention discloses a damping shock-absorbing thermoplastic elastomer material comprising the raw materials in parts by weight: 20-80 parts of a TPV thermoplastic elastomer, 10-80 parts of a TPE thermoplastic elastomer, 2-30 parts of polyolefin resin, 2-20 parts of processing oil, 0.1-5 parts of a processing aid, 0.1-1 part of an anti-aging agent and 0.6-0.8 part of dicumyl peroxide, wherein the TPE thermoplastic elastomer is at least one of an aliphatic olefin thermoplastic elastomer and a styrene thermoplastic elastomer. The invention also provides a preparation method of the damping shock-absorbing thermoplastic elastomer material. The damping shock-absorbing thermoplastic elastomer material is good in hand feeling, good in mechanical performance, excellent in damping shock-absorbing performance and good in high-temperature pressure change performance.

The invention relates to a pipe type variable-damping filter provided with multiple holes with different parameters and applied to the opening of a hydraulic pump. The pipe type variable-damping filter provided with the multiple holes with different parameters and applied to the opening of the hydraulic pump is composed of a main shell, a small linear motor, a sliding baffle, a first sealing ring, a second sealing ring and an oil cavity shell, wherein a rectangular flange is arranged on the main shell, the oil cavity shell is installed on the rectangular flange of the main shell, a cuboid oil cavity is formed by the oil cavity shell and the main shell, the five oil damping holes are formed in the middle of the upper portion of the main shell in the oil cavity and are arranged in the axial direction of the filter, the distances between the oil damping holes are the same, the diameters of the holes become larger gradually, the small linear motor is installed on the main shell, a stretching-out shaft of the small linear motor is hinged to a push rod of the sliding baffle, a round channel is formed in the side wall of the main shell, the push rod of the sliding baffle penetrates through the channel, a circulating hole is formed in the sliding baffle, the diameter of the circulating hole is the same as that of the biggest oil damping hole in the main shell, and the small linear motor is controlled through a current amplifier and a control amplifier. By the adoption of the pipe type variable-damping filter provided with the multiple holes with different parameters and applied to the opening of the hydraulic pump, the range of the damping frequency can be widened.

The invention discloses a vibration-attenuation and rainproof cabinet. The vibration-attenuation and rainproof cabinet comprises a cabinet body, a cabinet door, a rainproof box, a rectangular rainproof plate and a bottom tray, wherein a rectangular socket is arranged in a front side surface of the rainproof box, the rectangular rainproof plate is horizontally inserted into the rectangular socket,two rectangular extension plates are hinged with an upper side surface of the rectangular rainproof plate via a hinge, a herringbone rainproof top is arranged at the top of the rainproof box, a rectangular ventilation window is arranged in each of a left side and a right side of the cabinet body, an arc water blocking plate is arranged on the ventilation window, a strip-shaped grid plate is arranged on the arc water blocking plate, a limitation groove is formed in an upper side surface of the bottom tray, and the bottom of the cabinet body is embedded into the limitation groove of a rubber cushion layer. In the vibration-attenuation and rainproof cabinet, the cabinet is convenient to maintain in a rainy day by the horizontal rainproof plate formed by the rectangular rainproof plate and thetwo rectangular extension plates, an umbrella is not needed to be expanded, and vibration-attenuation limitation is achieved by the rubber cushion layer and the limitation groove.

A damping, muting and limiting mechanism of a furniture turnover device comprises a movable element, a fixed element, a lever element, a damper and a connection arm assembly; the connection arm assembly at least comprises a first connection arm and a second connection arm; the movable element is hinged to the fixed element in a matched mode at least through the first connection arm and the second connection arm; the fixed element is provided with an elastic assembly; the movable element is arranged on the fixed element in an open and closed mode through elastic turning over of the elastic assembly; the lever element is rotationally arranged on the fixed element, one end of the lever element is interacted with the damper, and the other end of the lever element is provided with a damper closing area, a first damper opening area and a second damper opening area; and the first connection arm is provided with a service portion, the second connection arm is provided with a limiting portion, and a notch is formed between the service portion and the limiting portion. According to the damping, muting and limiting mechanism of the furniture turnover device, through structure improvement, no matter when a flap-up door of a piece of furniture is changed from an open state to a closed state, or from the closed state to the open state, the lever element can be forced to move on the fixed element according to the factory preset position, and the practicability is high.

The invention discloses a damping adjusting mechanism of a furniture overturning device. The damping adjusting mechanism of the furniture overturning device comprises a pushing element, a connecting arm module and a fixed element; the pushing element is hinged with the fixed element through the connecting arm module; an elastic module is arranged on the fixed element; and the pushing element is elastically overturned and opened / closed on the fixed element through the elastic module. The damping adjusting mechanism of the furniture overturning device further comprises a lever element and a damper; the lever element is rotationally arranged on the fixed element, and one end is acted with the damper; an adjustable damping module is arranged between the lever element and the damper, and includes an adjusting element, a push rod element and a slide element; and the adjustable damping module is acted manually or through a tool, so that a force arm, acted on the damper, of the lever element is changed to adjust the buffer force of the damper. The damping adjusting mechanism of the furniture overturning device has such characteristics as simple and reasonable structure, safety, reliability, easiness in production, easiness in realization, quick adjustment, convenience to operate, long service life, smooth opening / closing process, smoothness, labor saving, low collision, low noise, wide application range and high practicability.

The invention relates to a mining-use hinged roller-column-type trough-type carrier roller. A carrier roller for a belt-type conveyor used in a coal mine is mostly a steel-made carrier roller. The steel-made carrier roller has the defects that the weight is heavy, the corrosion resistance is none, the waterproof and dustproof effect is poor, and great hidden dangers which are caused by sparks generated due to the fact that the steel-made carrier roller is collided with a hard object are brought to the safety production. The mining-use hinged roller-column-type trough-type carrier roller is provided with a support and three roller columns fixed on the support, wherein the three roller columns are connected in a series mode, and are arranged in a trough-way which is high at the two ends and low in the middle. Every two roller columns are hinged to each other through a hinged plate arranged at the ends. The support is composed of a base plate and two roller column fixed seats. The base plate is bent into a three-section flat plate, wherein the three sections are parallel to the roller columns respectively. The outer ends of the roller columns arranged at the two ends are fixed on the roller column fixed seats, and the roller column fixed seats are perpendicular to the roller columns arranged at the two ends respectively. The center of each roller column is a central shaft. Each central shaft is sleeved with a roller column outer cylinder, and a bearing is arranged between each central shaft and the corresponding roller column outer cylinder. Each roller column outer cylinder is of a rubber cylindrical structure. According to the mining-use hinged roller-column-type trough-type carrier roller, the good vibration reduction function is provided, the conveying performance is high, and the service life is long.

The invention discloses a uni and bi-direction power load counterweight resistance element device comprising a transmission part support body, a gear transmission connection structure and at least one damping counterweight. The gear transmission connection structure comprises a driving gear shaft for being axially and fixedly connected with a damping action shaft, and gear transmission parts. The driving gear shaft comprises a driving shaft and driving gear. The driving gear is fixed on the driving shaft. The driving gear shaft and each gear transmission part are respectively supported on the transmission part support body via bearings. Gear engagement transmission connection is formed between the driving gear and each gear transmission part. The gear transmission part at the tail end of the gear transmission connection structure is in gear engagement and transmission connection with the damping counterweights. Each damping counterweight is a revolving body. The ratio of driving shaft rotating speed and damping counterweight rotating speed is less than 1. The uni and bi-direction power load counterweight resistance element device has the characteristics that the structure is compact, the damping and buffering effect is significant, and the damping effect is adjustable.

The invention discloses a hindered phenol macromonomer with a polyphenol structure and a preparation method thereof. The hindered phenol macromonomer with the polyphenol structure is prepared from thefollowing components in parts by weight: 55-70 parts of hydroxyethyl methacrylate, 110-150 parts of diisocyanate, 170-210 parts of antioxidant, and 0.005-0.05 part of catalyst. The hindered phenol macromonomer with the polyphenol structure prepared by the invention can be used for preparing polymeric long-acting damping resin and long-acting damping coating.

The invention discloses an environmental-friendly sound insulation building material which comprises the following components in parts by weight: 1-2 parts of binding agents, 10-15 parts of plant fibers, 20-50 parts of mixed solvents, 5-20 parts of inorganic thickening agents, 5-10 parts of toughening agents, 5-15 parts of fire retardants, 5-15 parts of auxiliary fire retardants, 2-4 parts of mica powder, 1-6 parts of diatomite, 0.5-1.5 parts of ceramic powder, 3-10 parts of n-butyl alcohol, 6-9 parts of dimethyl benzene, 0.3-0.5 part of montmorillonite clay thickening agents, 0.1-0.3 part of wetting agents, 0.3-0.5 part of dispersing agents, 0.1-0.2 part of mildew-proof agents, 0.1-0.2 part of preservative agents, 0.3-0.4 part of defoaming agents, 1.0-2.0 parts of film-forming auxiliary agents, 0.2-0.5 part of anti-freezing agents and 1-3 parts of pigments. The environmental-friendly sound insulation building material disclosed by the invention has the advantages of good damping effect and high sound insulation property, and can not generate the substance harmful to a human body and the environment after being combusted.

The invention discloses an energy-saving and soundproof architecture decoration material which is prepared from the following components in parts by weight: 3-5 parts of bonder, 11-15 parts of calcium carbonate, 9-14 parts of vinyl-acrylate, 25-36 parts of PC (Poly Carbonate), 22-31 parts of PE (Poly Ethylene), 18-24 parts of isopropyl methacrylate, 11-20 parts of ethyl methacrylate, 3-5 parts of surface treating agent, 3-9 parts of inorganic thickener, 5-10 parts of flexibilizer, 2-6 parts of flame retardant, 11-15 parts of mica powder, 9-14 parts of diatomite, 6-9 parts of ceramic powder, 3-10 parts of normal butanol, 6-9 parts of dimethylbenzene, 50-80 parts of inorganic filler and 5-20 parts of inorganic thickener. The energy-saving and soundproof architecture decoration material disclosed by the invention is good in damping effect, high in soundproof performance and free from substances harmful to human body and environment after combustion.

The invention discloses a shock absorber for a transformer. According to the technical scheme points, the shock absorber for the transformer comprises an upper shell, a lower shell and vibration reduction units. At least two sets of the vibration reduction units are arranged between the upper shell and the lower shell, and bearing connecting plates are arranged between the upper shell and the lower shell in a suspended mode. The vibration reduction units include movable plates connecting the bearing connecting plates and fixing plates fixed to the upper shell or the lower shell. Movable framesare arranged between the movable plates and the fixing plates, and guide plates are arranged on the movable frames. The guide plates and the fixing plates are separately provided with guiding columns, and the guiding columns pass through the guide plates and are slidably connected with the guide plates. The guiding columns are sleeved with damping springs for pushing the guide plates, and the fixing plates of the vibration reduction units are cyclically connected to the upper shell and the lower shell in sequence. The effects of multi-point vibration reduction and silencing are realized by using the damping springs; and a plurality of vibration reduction units are arranged in a staggered mode and receive and absorb vibration from the upper shell and the lower shell separately, thereby achieving better vibration absorption effect.

The invention discloses a damping type computer display device and an adjusting method. The damping type computer display device comprises a displayer. A connecting rod is fixedly arranged on the rearside of the displayer. A rotating block is fixedly arranged at the end of the connecting rod. Rotating rods are fixedly arranged on the two sides of the rotating block. A damping ring gasket fixedlyconnected with the rotating block is arranged on the outer portion of each rotating rod in a sleeving manner. Limiting blocks are arranged at the top and the bottom of each rotating rod. A damping sleeve is arranged on the outer portion of each limiting block in a sleeving manner. A clamp plate is arranged on the outer side of each rotating rod. A limiting groove is arranged on the inner side wallof each clamp plate. According to the damping type computer display device, the rotating block rotates and drives the rotating rods and the limiting blocks to be in sliding connection in the limitinggrooves; through the arranged damping sleeves, when the rotating block rotates, damping of the longitudinal annular face is generated between the damping ring gaskets on the two sides of the rotatingblock and the clamp plates, damping of the transverse annular face is generated by the outer walls of the limiting blocks and the inner walls of the limiting grooves, and therefore the damping effectis better; and when the displayer rotates, greater stability is achieved, and any angle can be adjusted.

The invention relates to the technical field of high polymer materials, in particular to a high-impact-resistance halogen-free flame-retardant polypropylene composite material and a preparation method thereof. The high-impact-resistance halogen-free flame-retardant polypropylene composite material is prepared from the following components in parts by weight: 100 parts of polypropylene, 20-30 parts of a nano material, 20-30 parts of an impact modifier, 1-5 parts of silane coupling agent modified nano silica sol and 20-30 parts of a halogen-free flame retardant. The polypropylene composite material provided by the invention not only has high impact resistance and halogen-free flame retardance, but also has a better damping effect, and can play a good role in shock absorption and noise reduction.

The invention discloses a novel bidirectional rotating shaft assisting damper. The novel bidirectional rotating shaft assisting damper comprises a fixing shell, a linear damper body installed in the middle of the fixing shell, a compression spring arranged on the periphery of the linear damper body in a sleeving mode, a first force reversing structure and a second force reversing structure, wherein the first force reversing structure and the second force reversing structure are installed at the upper end and the lower end of the fixing shell and used for converting rotating torque into lineartorque. The two ends of the linear damper body are in contact with the first force reversing structure and the second force reversing structure respectively, the two ends of the compression spring arealso in contact with the first force reversing structure and the second force reversing structure respectively, and a first rotating shaft in the first force reversing structure and a second rotatingshaft in the second force reversing structure stretch out of the upper end and the lower end of the fixing shell respectively. The novel bidirectional rotating shaft assisting damper effectively relieve the reverse damp in the cover opening process, and a flip cover can be opened with less effort and be opened easier; when the flip cover is opened by about 5 degrees, the novel bidirectional rotating shaft assisting damper also has a buffering effect, the angle is small, and higher safety is achieved in use; and the novel bidirectional rotating shaft assisting damper can achieve bidirectionalrotating damping without the need of assembling two dampers, and is low in cost and high in assembling efficiency.

The invention discloses a motorbike seat cushion damping sleeving piece and a motorbike. The motorbike seat cushion damping sleeving piece comprises a vibration reduction cushion and a damping structure. The damping structure comprises a damping hole and a damping block. The damping block is arranged in the damping hole, and spacing is arranged between the end surface of the inner side of the damping block and the bottom of the hole. The damping block has damping which reciprocates relative to the damping hole, and the end surface of the outer side of the damping block is not lower than a holeopening of the damping hole. According to the motorbike seat cushion damping sleeving piece and the motorbike, in the vibration process, the compression deformation of the vibration reduction cushionenables the damping block to be in direct contact with a seat cushion, meanwhile, the damping block has the damping which reciprocates in the vibration direction and has an effective damping effect on the vibration, the spacing between the damping block and the bottom of the hole forms a gas chamber, in view of the compressibility and expansion characteristics of gas, a good damping effect is achieved, and the unmatched vibration reduction and vibration absorption effect of the prior art are achieved.

The invention discloses a front-back swinging double-rod multifunctional body builder. A pedal rod shaft and a pull rod shaft are arranged on two sides of a stand column, left and right pedal rods arecorrespondingly connected between the pedal rod shaft and left and right pedals, and left and right balance pull rods are correspondingly hinged between the pull rod shaft and hanging pieces of the left and right pedals; a left-right pedal linkage mechanism comprises a shaft seat, a rotating seat rotatably arranged on the shaft seat, left and right ball head lower connecting rods, and left and right pushing plates, the left and right pushing plates are correspondingly fixed to the left and right pedal rods, and the left and right ball head lower connecting rods are hinged between the left andright pushing plates and a rotating seat; a waist twisting linkage mechanism comprises left and right supports fixed on a machine base, left and right swing arms hinged to the left and right supports, left and right armrests connected to the upper parts of the left and right swing arms, and left and right ball head upper connecting rods hinged between the left and right swing arms and the left and right pushing plates. After the structure is adopted, the multifunctional body builder has the advantages of simple structure, assisting effect, good fitness effect, integration of waist twisting, mountain climbing and stepping training functions and the like.

An elastic turnover mechanism for furniture comprises a fixed base, a connecting arm assembly and a fixed element; the fixed base is hinged to the fixed element through the connecting arm assembly, an elastic device is arranged on the fixed element, the fixed base is elastically turned over and opened and closed on the fixed element through the elastic device, the connecting arm assembly at least comprises an actuating arm, the actuating arm is rotatably arranged on the fixed element through a pin shaft and provided with an adjusting device, and the adjusting device at least comprises an adjusting screw rod; the adjusting screw rod is rotatably positioned on the actuating arm, the elastic device at least comprises a pressure spring, a rotating pin is arranged between the pressure spring and the fixed element, a rotating shaft is arranged between the pressure spring and the adjusting screw rod, one end of the elastic device is rotatably positioned on the fixed element through the rotating pin, and the other end of the elastic device elastically and rotatably acts on the adjusting screw rod through cooperation of the pressure spring and the rotating shaft and slides on the actuating arm through adjusting of the adjusting screw rod; through structural improvement, the practicability is high.

The invention relates to a furniture damping overturning opening and closing adjusting mechanism which comprises an overturning device. The overturning device comprises a pushing element, a connecting arm assembly and a fixing element; the pushing element is hinged to the fixing element through the connecting arm assembly, a damping assembly is arranged between the pushing element and the fixing element and comprises a level element and a damper, the damper is arranged on the fixing element, and the lever element is rotationally arranged on the fixing element; the two ends of the lever element act with the damper and the pushing element at least when the pushing element is overturned and closed by a section of stroke; the pushing element acts on the damper through the lever element at least when overturned and closed by the section of stroke, the damper is compressed and generates buffer force, and therefore the pushing element is overturned and closed to the fixing element in a damping manner; and an adjusting assembly is arranged on the lever element, the force arm, acting on the damper and / or the pushing element, of the lever element changes through the adjusting assembly by means of tools or manual actions, and therefore the buffer force of the damper is adjusted.

The invention relates to a lifting handle, which comprises a handle and a handle base, wherein the lower end of the handle is provided with connecting columns; connecting sleeves are arranged on the handle base; the connecting columns are matched with the connecting sleeves, so that the lower end of the handle is connected with the handle base in a rotational mode; return springs are positioned between the connecting columns of the handle and the connecting sleeves of the handle base and are used for providing elastic force for the fit return of the handle; a damping sleeve is arranged between the other side of each of the connecting columns of the handle and the connecting sleeves of the handle base; damping grease is arranged between the damping sleeves and the connecting columns; positioning blocks are arranged on the damping sleeves; positioning grooves are formed on the connecting sleeves; the positioning blocks of the damping sleeves are matched with the positioning grooves of the connecting sleeves; the damping sleeves are provided with gaps; and when the handle is pulled up, the rotation direction of the connecting columns corresponding to the gaps is consistent with that of the stretching of the gaps. The lifting handle has the characteristics of simple structure, good return effect and good damping and buffering effect.

The invention discloses an anchor-free type flexible breakwater and a mounting method thereof, the anchor-free type flexible breakwater comprises a flexible film bag capable of being formed into a long-strip columnar structure and a plurality of valve assemblies mounted on the flexible film bag at intervals in the axial direction of the flexible film bag, so that a water-sand mixture can be injected into the flexible film bag through the valve assemblies. The upper layer of the flexible film bag is water, the water can shake back and forth under the action of waves, then interaction is formed on follow-up waves, the waves are broken, wave energy is converted into turbulent flow energy, energy of transmitted waves is greatly reduced, a good wave absorbing effect is achieved, the manufacturing cost is low, the engineering period is short, and compared with a heavy breakwater, the breakwater is more economical and applicable.

The invention relates to an overturning elastic mechanism for furniture. The overturning elastic mechanism for furniture comprises a fixed base, a connecting arm assembly and a fixed element, wherein the fixed base is hinged to the fixed element through the connecting arm assembly; an elastic device is arranged on the fixed element; and the fixed base elastically overturns and is opened and closed on the fixed element through the elastic device; the connecting arm assembly at least comprises an actuating arm which is rotatably arranged on the fixed element and where an adjusting device is arranged; the elastic device at least comprises a pressure spring, a passing element, an orienting element and a guiding element; one end of the passing element is matched with and connected to the adjusting device while the other end of the passing element is rotatably connected to the orienting element; the guiding element is positioned and rotates on the fixed element; two ends of the pressure spring elastically sleeve the orienting element and the guiding element; an orienting matching part is arranged between the orienting element and the guiding element; and the orienting element and the guiding element are positioned and slidably oriented elastically through match of the orienting matching part and the pressure spring when the fixed base overturns to be opened and closed. The structure is improved, so that the overturning elastic mechanism for furniture provided by the invention is high in practicality.

The invention discloses a high-rise escape descent control device. The device comprises a rear plate, connecting columns, a central shaft, a rope wheel, a rope, a rotary damping mechanism, a rope guide assembly, a front plate and a fixing frame; the three connecting columns are fixedly mounted at the top end of the front side and the middle positions of the left side and the right side of the rear plate correspondingly; the central shaft is rotatably mounted in the middle of the front side of the rear plate; the rear end of the central shaft is sleeved with the rope wheel in a matched mode; the rope is wound on the outer wall of the rope wheel; the rotary damping mechanism is mounted in the middle of the front side of the front plate; the rope guide assembly is mounted at the bottom end of the front side of the rear plate; the front plate is mounted at the front ends of the three connecting columns and the rope guide assembly; and the fixing frame is connected to the middle position of the outer wall of the connecting column located at the top end in a sleeving mode. According to the high-rise escape descent control device, the rope can be controlled to be released stably and slowly, the higher the rotating speed is, the larger the rotating damping coefficient is, the effect of controlling the rotating speed is achieved, the purpose of safe escape is achieved, the structure is simple, maintenance is convenient, the rope can be prevented from being abraded, and certain potential safety hazards are prevented.