37results about How to "Adjustable compression" patented technology

The invention discloses an embossing apparatus for a garment material. The embossing apparatus comprises a feeding mechanism, an embossing mechanism, a material recovering mechanism and a drying mechanism, wherein the feeding mechanism comprises a feeding rack, a feeding roll, a feeding cylinder, a storage bin, a pressing and conveying assembly and a conveying roll; the embossing mechanism comprises an embossing frame, an embossing shaft, an embossing motor, an end plate, a station plate, a first embossing roll, a second embossing roll, a third embossing roll, a fourth embossing roll, a lower embossing roller, a conveying roller, a shell cover and a hot steam nozzle; the lower embossing roller is provided with concave patterns respectively matching with a first convex pattern, a second convex pattern, a third convex pattern and a fourth convex pattern; and the drying mechanism comprises a drying rack, a cold-air drier, a drying roller and an auxiliary roll. The embossing apparatus provided by the invention is simple to operate, high in an automation degree, capable of pressing complex and changeable patterns on fabrics, good in embossing quality and high in embossing efficiency.

The invention particularly relates to a combined mechanical seal device which comprises a moving ring, a static ring assembly, a static ring housing, a floating ring assembly and an O-shaped rubber ring. The static ring assembly is arranged in the static ring housing and comprises an end face block assembly, a rotation-preventing pin, a spring and a damping belt. The end face block assembly comprises a static ring, a static ring seat, a film box assembly and a rear ring which are arranged in sequence. The damping belt is located in an annular groove of the inner surface of the static ring housing. The floating ring assembly comprises a floating ring, a cover plate and a floating ring housing, wherein the floating ring penetrates through a rotor to be arranged in the floating ring housing, and a cover plate penetrates through a rotor to be fixedly arranged on two sides of the floating ring housing respectively. A cooling backflow channel comprises a bearing axial gap, a gap between the moving ring and a pressing ring, a static ring seat balance hole gap, a radial gap between a static ring seat and the static ring housing, a backflow channel I, an accumulated liquid cavity and a backflow channel II which are communicated in sequence. The combined mechanical seal device achieves long-service-life, low-friction and zero-leakage work of a mechanical seal under the working conditions of high temperature and high pressure.

The invention discloses an adjustable balance cylinder, which comprises a cylinder body, a front end cover plate, a cylinder shaft seat barrel, a balance cylinder shaft, a flexible assembly baffle, aflexible assemblies, a connector, a bearing connecting rod, a flange adjusting shaft and an adjusting connector, wherein the front end cover plate fixedly covers on the front end of the cylinder body; the cylinder shaft seat barrel is fixed on the front end cover plate; the balance cylinder shaft is located in the cylinder shaft seat barrel and can slide in the cylinder shaft seat barrel; the flexible assembly baffle is connected to one end of the balance cylinder shaft; the flexible assemblies surround the balance cylinder shaft; the connector is connected to the other end of the balance cylinder shaft; the bearing connecting rod is connected with the front end cover plate and the rear end of the cylinder body; the flange adjusting shaft is fixed to the rear end of the cylinder body; the adjusting connector is connected with the flange adjusting shaft and is used for adjusting the pre-compressed amount of the flexible assemblies. According to the adjustable balance cylinder, the pre-compressed amount of the flexible assembly in the cylinder body is adjustable, the work load of a robot is variable, the balanced load acts on the bearing connecting rod, and the service life of the cylinder body is prolonged.

The invention relates to a watchcase positioning carrier. A carrier base plate is installed on the right side of the upper portion of a carrier installation plate. A carrier sliding rail is transversely installed on the left side of the upper portion of the carrier installation plate. A fixed block is installed on the right side of the upper portion of the carrier base plate. A movable block is installed on the carrier sliding rail through a carrier sliding block. Four spring guide shafts are installed on the lower portion of the carrier installation plate. Each spring guide shaft is sleeved with a spring b and a spring heightening ring. A suction cup floating plate is installed on the spring heightening rings. The two spring guide shafts on the front side and the two spring guide shafts on the rear side are each provided with a spring adjusting block. A spring adjusting screw is installed between the carrier installation plate and each spring adjusting block. The suction cup floating plate is provided with a suction cup stand column. The upper end of the suction cup stand column is provided with a suction cup, and the lower end of the suction cup stand column is provided with a gas pipe connector. The lower portion of the gas pipe connector is provided with a gas pipe connector sealing plate. A wedge-shaped block is installed at the left end of the movable block. The lower end of the wedge-shaped block penetrates through the carrier installation plate. The watchcase positioning carrier can position a watchcase, and meanwhile can pressurize a display screen attached to the watchcase to make attaching firm.

The invention provides a culture communication advertisement display rack, which comprises a display portion and a supporting portion, wherein the supporting portion is connected to the back of the display portion; the display portion comprises a display plate, a transparent cover, a first hinge and an adhesion device; one end of the first hinge is connected to one side of the display plate, and the other end of the first hinge is connected to one side of the transparent cover; the transparent cover can turn along the plane of the display plate around the first hinge; the transparent cover isas wide as the display plate; the adhesion device adheres to the upper surface of the display plate; a pair of locking plates are arranged at the other side of the transparent cover; and plate eyeletsare formed in the locking plates. The display rack provided by the invention can replace advertising pages conveniently, without destructive demolition, so that the advertising pages can be repeatedly used; therefore, resource waste and property loss as well as the generation of a great amount of waste can be prevented, and environmental pollution can be relieved; and the display rack is quite convenient to move and transport, so that efficiency is improved.

The invention discloses a magnetic rubber strip production line with a magnetic rubber strip protection function. The magnetic rubber strip production line comprises an extrusion molding device, a cooling device, a magnetizing device, a traction device and a reeling device, wherein the cooling device comprises a water tank; hinging frames are arranged at the middle part of the upper end surface ofthe water tank; a U-shaped frame is hinged onto each hinging frame; one hinging shaft of the U-shaped frame extends out to reach the outer side of the hinging frame; a first gear is arranged at the outer end of the hinging shaft; a potentiometer is arranged on the hinging frame; a second gear is arranged on a rotating shaft of the potentiometer; the second gear and the first gear are engaged witheach other; the traction device comprises a traction motor; the traction motor is connected with a traction frequency converter; and the traction frequency converter is connected with the potentiometer. The potentiometer is driven to rotate through the movement of the rubber strip per se; when the potentiometer rotates, the rotating speed of the traction motor is regulated by regulating the frequency of the traction frequency converter, so that the traction speed and the extrusion speed maintains dynamic balance; and the tensile failure of the rubber strip due to too high traction speed is prevented.

The invention discloses a full-wave-band adjustable highly-integrated femtosecond pulse compressor part which comprises a liquid crystal box, a quarter of a wave plate and a linear polarization converter. The quarter of the wave plate is arranged on one side of an incident light direction of the liquid crystal box and the linear polarization converter is arranged on one side of an emitting light direction of the liquid crystal box. The liquid crystal box comprises a box which is composed of two parallel pieces of glass or two parallel pieces of quartz and spiral liquid crystals arranged in the box. Revolving shafts of the spiral liquid crystals are vertical to the box and crystals contacted with the box have parallel orientation. The central wavelength of the quarter of the wave plate is arranged on one of rims of band gaps which are formed by the spiral liquid crystals. The bandwidth of the quarter of the wave plate is wide enough to cover a wavelength range of the band edge. The linear polarization converter is an optical element which can convert circularly polarized light into linearly polarized light. The impulse compression technology is small, effective and free of loss, devices adopting the impulse compression technology in an optical network are realized, integration level of pulse lasers of the full-wave-band adjustable highly-integrated femtosecond pulse compressor part is improved and work performances based on impulse laser elements are improved.

The invention relates to a manufacturing and detecting technology of hydrogen storage and transportation equipment, and aims to provide a method for testing the performance of a non-metal sealing element in a high-pressure hydrogen environment. The test method comprises the following steps: forming a test cavity by a base and a gland, wherein an O-shaped ring sample clamping frame, a reducer pipe and a check ring are arranged in the test cavity; a tested O-shaped ring sample is embedded in grooves in the side edge and the upper surface of the O-shaped ring sample clamping frame respectively, and a static load exposure test, a circulating pressure fatigue test and a sealing performance test are carried out. The test cavity is small in size and low in gas consumption; the test condition can meet the actual service condition of the non-metal rubber sealing element; sample specification parameters can be expanded only by changing the size of the internal sample holder, the safety of the device is guaranteed, the test cost is reduced, the test efficiency is improved, and the problem that an existing nonmetal sealing material performance testing device is single in function is solved.

The invention discloses a nuclear-power-unit main steam isolating valve chest pressure releasing plate. The nuclear-power-unit main steam isolating valve chest pressure releasing plate comprises a pressure releasing plate body. The pressure releasing plate body comprises a panel frame assembly and a lifting assembly used for opening the pressure releasing plate body, inclined face shroud plates are installed on the two sides of the panel frame assembly correspondingly, and a side face shroud plate is installed on the front face; one side of the bottom of the panel frame assembly is movably connected with a bottom frame through hinges, the pressure releasing plate body achieves opening and closing through hinges, and the lifting assembly comprises a jack and a plurality of pressure reducing plug pins; and a jack sliding rail is arranged on one side, away from the hinge, of the bottom frame, the jack is connected with the bottom frame through the jack sliding rail, and the multiple pressure reducing plug pins are fixedly installed on the outer portion of one side, away from the hinge, of the bottom frame at equal intervals. According to the nuclear-power-unit main steam isolating valve chest pressure releasing plate, the structure is simple, using is convenient and effective, and the pressure releasing plate can be automatically opened to achieve a pressure releasing function when pressure is high.

The invention discloses a sweet potato seedling throwing, soil covering and pressing device and a sweet potato planter; the sweet potato seedling throwing, soil covering and pressing device comprisesa rack, wherein a ditching and seedling throwing assembly, a soil covering assembly and a pressing assembly are sequentially arranged on the rack from front to back; a sweet potato seedling throwing mechanism and a furrow opener are arranged above and below the ditching and throwing assembly; a seedling falling groove is formed in the middle of the furrow opener, and the throwing end of the potatoseedling throwing mechanism directly faces the seedling falling groove; and the heights of the soil covering assembly and the pressing assembly relative to the rack are adjustable. The furrow opener,the sweet potato seedling throwing mechanism, the soil covering assembly and the pressing assembly are arranged, so that ditching, potato seedling throwing into ditches in a set posture, soil covering and soil pressing can be continuously executed, step-by-step operation is not needed, and the mechanization degree is high; the heights of the soil covering assembly and the pressing assembly relative to the rack can be adjusted, so that the soil covering depth and the soil pressing degree can be adjusted according to needs, and the device is suitable for transplanting and planting different types of sweet potatoes in different soils.

The invention discloses a detection and control device and method for the powder adding height of a powder charging pipe of a gas generator and belongs to the technical field of detection and control of the powder adding height of the powder charging pipe of the gas generator. According to the device, the compaction degree between gas generating powder pieces in the powder charging pipe can be adjusted, the clearances between the gas generating powder pieces are uniform, and the powder adding height can be detected. The device comprises a support, a powder input unit, a first motor, a second motor, a tumbler, a lifting rope, a pull frame with an opening formed in the lower end, a vertical pipe and a controller. The vertical pipe shakes under rotation of the tumbler, the vertical pipe rolls under rotation of the second motor, and the vertical pipe sieves under sieving of a sieving generator; and the compaction degree between the gas generating powder pieces in the powder charging pipe is adjusted, the clearances between the gas generating powder pieces are uniform, and the powder adding height can be detected in a shaking manner, a rolling manner and a sieving manner. The detection and control device and method are mainly used for the gas generating powder piece adding technology of the powder charging pipe of the gas generator.

The invention discloses a compensation moving dolly for a continuous casting steel moving machine, comprising a frame, a joist fixed on the frame and four wheels installed at two ends of the frame. The lower parts of two ends of the frame are fixedly provided with two guide boxes; each guide box is internally provided with a disc spring group, a guide rod and a guide plate; the disc spring groups and the guide plate are connected in series by the guide rod; the top end of the guide rod extends out of the guide boxes and is connected with a rope ring; the end part of the guide box is provided with a pressure plate which supports the guide rod; and the frame is fixedly provided with an upper heat prevention plate and a lower heat prevention plate. The invention is a compensation moving dolly for a continuous casting steel moving machine, which is novel in structure and symmetrically arranged, and has good performances such as heat radiation prevention, adjustable steel cable tensile force, disc spring buffering, large length compensation of steel cable close ring and the like.

The invention discloses a testing mechanism, wherein the testing mechanism comprises a mounting seat and at least one floating pressing device, and the mounting seat is provided with at least one first positioning hole; each floating pressing device comprises a pressing block, a connecting piece and a buffer assembly, the pressing block is provided with a second positioning hole communicated with the first positioning hole, and the pressing block is used for sealing a sound hole of the to-be-tested piece; one end of the connecting piece is rotationally arranged in the first positioning hole and the second positioning hole, the pressing block can move in the axial direction of the connecting piece, and the other end of the connecting piece is provided with an external thread; the buffer assembly comprises an elastic piece and an adjusting piece, the adjusting piece is provided with an internal thread in threaded fit with the external thread, and the adjusting piece is in threaded connection with the connecting piece; two ends of the elastic piece are respectively connected with the pressing block and the adjusting piece; and the connecting piece rotates to drive the adjusting piece to be close to or away from the pressing block. According to the invention, the pressure applied to the to-be-tested piece can be adjusted. Meanwhile, the elastic piece can also play a buffering role, so that the influence of the vibration of the testing mechanism on the piece to be tested is reduced.

The invention relates to a sealing testing device which is used for conducting tests of different compression amount on a sealing ring of a lamp. The sealing testing device comprises a sealing body and a sealing cover. One end of the sealing body is closed, the other end of the sealing body is open, and the sealing body is provided with a sealing groove for containing the sealing ring and a limiting step along the periphery of the sealing body upwards. One end of the sealing cover is sealed, the other end of the sealing cover is open, the open end of the sealing cover is provided with a locating step matched with the limiting step, and sealing faces with different inner diameters are arranged on the periphery of an inner wall of the sealing cover. By arranging the limiting step of different heights on the sealing body, and by matching with the locating step on the sealing cover and the sealing face, compression amount is adjustable, sealing performance testing is conducted for the sealing ring with certain hardness and line diameter by selecting different sealing faces, the sealing faces with different inner diameters correspond to different compression amount, the optimal compression amount of the sealing ring can be determined conveniently, repeated designing of a sealing strip can be reduced in a testing process, and design parameters of the sealing ring can be determined conveniently through one time.