37results about How to "Adjustable compression" patented technology

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 wire drawing processing device for the outer surfaces of stainless steel pipes. The wire drawing processing device comprises a base. A sliding chute is formed in the upper end of the base. A threaded rod and a first limiting rod are arranged in parallel in the sliding chute. A first motor is fixedly arranged on the inner wall of the sliding chute, and one end of the threaded rod is fixedly connected with an output rod of the first motor. The threaded rod and the first limiting rod are provided with a sliding plate in a penetrating mode. A plurality of placing groovesare formed in the upper surface of the sliding plate at equal intervals. A limiting adjusting mechanism matched with the plurality of stainless steel pipes during use is arranged on the surface of thesliding plate. Two supporting columns are symmetrically and fixedly connected to the two ends of the upper surface of the base. By means of the wire drawing processing device, the plurality of stainless steel pipes can be subjected to wire drawing processing at the same time, so that the working efficiency is high; the positions of all the stainless steel pipes can be adjusted conveniently at thesame time, so that all-round wire drawing processing of round surfaces of the stainless steel round pipes can be carried out; and the rotation deviation of stainless steel round pipes can be effectively prevented during wire drawing processing of the stainless steel round pipes, so that the processing effect is better.

The invention provides a fixation device of an integrated garment fabric, which comprises a support rod, a telescopic rod, a fixing plate, a spring, a moving plate, a screw rod and a pressing plate, wherein the right end of the support rod is provided with a telescopic rod, the telescopic rod is arranged at the left end of the fixing plate, a spring is arranged at the lower end of the fixing plate, the spring is arranged on the upper end of the moving plate, the moving plate is arranged on the screw rod, the spring is arranged on the screw rod, the screw rod is arranged at the lower end of thefixing plate, the pressing plate is arranged at the lower end of the screw rod, the support rod is arranged on the left side of the pressing plate, and the left and right positions of the pressing plate can be adjusted, the compression amount of the spring is adjusted, so that the pressing force can be adjusted, the different fabrics can be pressed, the fabric can be quickly pressed, the use range is increased, the compression amount of the spring can be adjusted, and the application range is improved.

The invention relates to a full-automatic alignment and assembly machine which comprises a base plate, a manipulator mechanism, a feeding mechanism, a photographing and capturing mechanism, a jacking mechanism, a carrier mechanism and a finished product moving-out mechanism. Firstly, a worker puts an adhesive-dispensed watch case and film-stripped watch glass in a feeding carrier of the feeding mechanism. A clamping jaw of the photographing and capturing mechanism grabs the watch case and puts the watch case in a carrier of the carrier mechanism to be positioned, meanwhile a manipulator sucks the watch glass, a CCD on the photographing and capturing mechanism photographs the position of the watch case, the manipulator moves the watch glass to the position under the CCD, and the approximate position of the watch glass is photographed. The watch glass is obliquely inserted into the watch case, the CCD accurately positions the watch glass, multiple-time alignment is performed till the circle centers and angles of the watch case and the watch glass coincide, and the watch glass is attached to the watch case. A pressure maintaining suction disc ascends to suck the watch case, a watch glass profiling suction disc leaves, and the pressure maintaining suction disc descends under the effect of a spring to perform pressure maintaining. The manipulator grabs a product, puts the product onto the finished product moving-out mechanism and delivers the finished product to a standard position. The full-automatic alignment and assembly machine can achieve automatic alignment and is high in assembly accuracy.

The invention relates to a spring assistance device and an automatic sliding door. The spring assistance device is used in the automatic sliding door and comprises a pipe type shell and a spring; the spring is located in the shell and arranged along the length direction of the shell; one end of the shell is provided with a jackscrew; the other end of the shell is provided with a push rod; one end of the spring abuts against the jackscrew; the other end of the spring is compressed by the push rod towards the direction of the jackscrew when the automatic sliding door is closed; the shell is also provided with installation brackets; and the installation brackets are fixedly connected with a track of the automatic sliding door. According to the spring assistance device and the automatic sliding door provided by the invention, the defects of high cost and complicated structure of the existing automatic sliding door of which a door body is heavier or the door body is required to sink are overcome; and therefore, the spring assistance device which can enable the automatic sliding door to save energy and be simple in structure is provided.

The invention discloses a jumping robot of a locust-simulated turning joint lever ejecting mechanism, comprising a front leg with the functions of driving, supporting and shock absorption and a back leg with the functions of driving and turning joint lever elastic energy storage, wherein the front leg comprises a front leg power mechanism, a front leg motor output shaft, an eccentric cam, a frontleg, a front leg spring and the like; and the back leg comprises a back leg power mechanism, a back leg motor output shaft, a shaft coupling, a back leg transmission shaft, a spring, a roller wheel, a back leg, a back leg sliding rotation shaft, a fork-shaped back leg retainer, a fork-shaped back leg retainer tail rod, a spring set, a fixed pull button, a rotary pull button, a screw pair, a sliding guide sleeve, a connecting spring bolt, a steel wire rope, a connecting steel wire rope bolt and the like. With the structural design of the eccentric cam, the front leg has the function of providing engine body promoting force through the elastic energy storage; by adopting the structural design of a movable rotation shaft and a movable pivot lever, the back leg realizes the functions of slow energy storage and rapid energy release in the ejecting mechanism through the combined design of the fixed pull button and the rotary pull button.

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 discloses a testing mechanism. Wherein, the test mechanism includes a mounting base and at least one floating pressing device, and the mounting base is provided with at least one first positioning hole; each floating pressing device includes a pressing block, a connector and a buffer assembly, and the pressing block is provided with a first positioning hole. The second positioning hole connected to the hole, the pressure block is used to seal the sound hole of the test piece; one end of the connecting piece is rotated in the first positioning hole and the second positioning hole, and the pressure block can move along the axial direction of the connecting piece, The other end of the connecting piece is provided with an external thread; the buffer assembly includes an elastic piece and an adjusting piece, the adjusting piece is provided with an internal thread matched with the external thread, and the adjusting piece is threadedly connected with the connecting piece; the two ends of the elastic piece are respectively connected with the pressure block and the The adjustment piece is connected; wherein, the rotation of the connection piece drives the adjustment piece to approach or move away from the pressure block. The invention can adjust the size of the pressure on the test piece. At the same time, the elastic member can also play a buffering role, reducing the impact of the vibration of the testing mechanism on the test piece.

The invention provides a powder feeder with adjustable friction force of the powder plate. By setting a lifting mechanism between the spring and the motor, the adjustment and control of the lifting mechanism realizes that the compression amount of the spring can be adjusted, and the compression amount of the spring can be adjusted. Reactive pressure, so as to achieve the purpose of controlling the friction between the powder basin and the powder outlet. When the friction coefficient becomes larger, the friction force can be reduced by increasing the spring space and reducing the reaction pressure. At the same time, the pressure of the powder outlet can be taken into account to avoid the pressure being too small to achieve the sealing effect; and because the pressure can be adjusted linearly , at the same time, there is no need to replace the spring, which improves the convenience of debugging during use, and does not need to consider the consideration of spring selection under various conditions, which enhances the applicability; in actual use, because the pressure can be adjusted to reduce friction, It can also prevent the powder pan from stalling when the friction force is greater than the motor torque, resulting in equipment downtime.

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 three-dimensional printing technology, in particular to a printing head of a three-dimensional printer. It includes a heating head and a wire feeding mechanism, and is characterized in that the heating head includes more than two sub-heating heads, connecting plates, front and rear fixed baffles, and left and right fixed baffles, and the sub-heating heads are arranged in a matrix on the On the connecting plate, the feed port of the sub-heating head is connected to the feed port of the wire feeding mechanism at the far end through a sleeve. Its purpose is to design a print head of a three-dimensional printer that can complete multi-color printing and can effectively improve printing accuracy and speed. Compared with the prior art, it has the advantages of compact structure, small volume, light weight, small working load, and adjustable wire compression degree.