38results about How to "Meet the needs of different lengths" patented technology

The invention relates to a data line winder for experiments. The problems that sensor data lines in an existing experiment are distributed in mess, and line arrangement and line winding waste time and labor are solved. The data line winder comprises line coils, locating clamping buckles, separating plates, a driving shaft, a handle, a bearing, a main support, auxiliary supports, a mounting nut and the like. Each line coil is provided with an outer line coil body and an inner line coil body, and the clamping buckles are arranged on the inner line coil bodies and used for fixing data lines on the inner line coil bodies. In the using process of the data line winder, most of the data lines are wound on the outer line coil bodies, and the data lines of about 50-100cm are wound on the inner line coil bodies. The driving shaft is divided into ten units, each unit is composed of a hexagonal shaft and a circular shaft which are equal in length, and the line coils are located on the hexagonal shafts or the circular shafts through the locating clamping buckles. The data line winder is simple in structure and convenient to operate, line arrangement and line winding in the experiment process can be convenient, and sensors cannot be mixed up in the using process.

The invention discloses a life-saving illuminating line. The life-saving illuminating line comprises a distribution box (1), a power source (2) and a switch (4), wherein the power source (2) and the switch (4) are arranged in the distribution box (1) and connected in series. The distribution box (1) is further externally provided with a shining line (6) which is composed of a plurality of shiners. The shining line (6) is in series connection with the power source (2) and the switch (4). The life-saving illuminating line is characterized in that the shining line (6) is formed by connecting both ends of each branch line body (10) and / or jointing the multiple branch line bodies (10) in the radial direction through a fixing device, the branch line bodies (10) are connected in series or in parallel through a movable connector, and the branch line bodies (10) are further provided with a plurality of blocking pieces (8) fixed to the outer surfaces of the branch line bodies (10); the fixing device comprises a first sliding block (12) and a second sliding block (14) which are arranged between any two of the blocking pieces (8) and can slide in the axial direction of the branch line bodies (10), the surface of the first sliding block (12) is provided with a plurality of convex blocks (16), and the second sliding block (14) is provided with grooves (18) where the convex blocks (16) can be clamped. According to the life-saving illuminating line, the shining line (6) is composed of the multiple branch line bodies (10), the branch line bodies (10) can be jointed freely as required when the illuminating line is used, and the requirements for different lengths are met.

The invention relates to the technical field of plate shearing machines, and discloses a plate shearing device facilitating plate fixing and clamping. The plate shearing device comprises a shell, wherein a support rod is movably connected to the interior of the shell, a long rod is movably connected to the exterior of the support rod, an eccentric rotating wheel is movably connected to the exterior of the long rod, a push rod is fixedly connected to the exterior of the long rod, an ejector block is fixedly connected to the exterior of the push rod, a cutting knife is fixedly connected to the exterior of the ejector block, a photosensitive assembly is fixedly connected to the exterior of the shell, a rotating shaft is movably connected to the interior of the shell, and a rotating gear is fixedly connected to the exterior of the rotating shaft. Under the mutual action of all structures of the device, after an operator places a to-be-machined plate into the device, the operator can selectthe needed length, the plate shearing device shears and cuts the to-be-machined plate, the effect of fixed-length cutting according to needs is achieved, therefore, the machining precision is improved, the requirements for different lengths are met, and machining materials can be saved.

The invention discloses an intravascular adjustable interventional stent which comprises an adjustable stent body, a guide plate, an adjusting line, an adjusting bolt, a fixed adjusting cylinder and acylinder adjusting assembly; wherein a sealing protection ring is fixed at one end of the adjustable support, and a fixed adjusting cylinder is fixed at the other end of the adjustable support. The adjusting bolt rotates to drive the adjusting wire to be wound or unwound, so that the adjustable support can contract or expand due to winding or unwinding of the adjusting wire; and due to the fact that the inner wall, located at the upper end of the adjusting slotted hole, of the adjustable support is evenly provided with the V-shaped grooves facilitating contraction adjustment, the adjustable support can rapidly contract, and thereby one-way adjustment of the interventional support is achieved. According to the invention, the adjusting bolt is adjusted to drive the adjusting rope to contract or release, so that the whole fixed adjusting cylinder contracts or expands, the fixed adjusting cylinder and the adjustable bracket can be adjusted together, and the whole interventional bracket issmooth and smooth.

The invention discloses a water storage type wall-mounted plant wall cultivation grid capable of being spliced and relates to the technical field of wall planting equipment. The water storage type wall-mounted plant wall cultivation grid comprises two support rods and is characterized in that first connecting rods, plant plates and nutrient solution racks are arranged between the two support rods,LED lamps are mounted at the bottom of each first connecting rod, each plant plate is arranged at the bottom of each first connecting rod, the bottom of each plant plate is arranged inside the corresponding nutrient solution rack, the bottom of the each plant plate is provided with through holes, a liquid conveying pipe is arranged on one of the support rods, the outlets of the liquid conveying pipe are arranged in the nutrient solution racks, one end, away from the nutrient solution rack, of the liquid conveying pipe is connected to a flowmeter through a pipeline, the input end of the flowmeter is connected to the output end of a liquid conveying pump, the input end of the liquid conveying pump is connected to the bottom of a liquid storage tank, and a stirring mechanism is arranged inside the liquid storage tank. The water storage type wall-mounted plant wall cultivation grid is convenient to use, convenient to splice, high in nutrient solution quality and low in labor intensity.

The invention discloses an improved MCVD system tail gas powder removal rod. The improved MCVD system tail gas powder removal rod comprises a rod head and a rod body connected with the rod head; one end of the rod head is provided with four concave air guide grooves around the center axis, and the other end of the rod head is provided with an internal thread; the two ends of each rod body sectionare provided with an external thread and an internal thread, and the multiple rod body sections are connected to form the integrated rod body through the external threads and the internal threads; andthe external thread at one end of the integrated rod body is connected with the internal thread of the rod head so that the tail gas powder removal rod can be formed. According to the improved MCVD system tail gas powder removal rod, in order to avoid the situation that a tail pipe is blocked by residual powder, the phenomenon that the tail pipe is poor in circulation and is blocked is effectively relieved through the improved tail gas powder removal rod, and the capacity of removing the residual powder adhering to the interior of the tail pipe is improved; the powder removal rod is made of Hartz alloy and polytetrafluoroethylen, and the flexibility and corrosion resistance of the rod body are greatly improved; by forming the four concave air guide grooves in the rod head, airflow smoothness of the tail pipe is maintained, the constant tail pressure is ensured, accordingly, reaction pipe deposition is uniform, and the product quality consistency is ensured.

The invention discloses a light-emitting strip capable of realizing random plastic sizing, which comprises an LED light-emitting body, a flexible flat cable, a flexible protective sleeve and a fixingpiece, the flexible protective sleeve is sleeved outside the LED light-emitting body and the flexible flat cable, a plurality of aluminum strips are arranged in the flexible protective sleeve, and a plurality of notches are uniformly formed in the flexible protective sleeve; the light-emitting strip can be bent at will by being sleeved with the flexible protective sleeve, and due to the fact thatthe aluminum strip is arranged in the flexible protective sleeve, the shaping effect can be achieved, and the light-emitting strip can be shaped conveniently. The light-emitting strips can be cut through the notches, and the requirements for different lengths can be met conveniently.

The invention relates to a telescopic electricity taking rail. The telescopic electricity taking rail comprises a strip-shaped shell (1) with a hollow cavity, and a sliding device with one end extending into the cavity and connected with the shell (1) in a sliding mode; and one end of the shell (1) is provided with an input wire (2), and the other end of the shell (1) is provided with an output wire (3), the sliding device is electrically connected with the input wire (2) and the output wire (3), and when the sliding device slides in the length direction of the shell (1), the extending lengthof the output wire (3) relative to the shell (1) is correspondingly changed. By adopting the design, the sliding device of the electricity taking rail is adjusted, and the extending length of the output wire relative to the shell can be correspondingly changed, so that the requirement for different lengths of a power supply wire is met, the operation is very convenient, and the appearance is attractive.

The invention particularly relates to an interlocking intramedullary nail capable of being applied to metaphyseal fracture bone defects, and belongs to the field of medical instruments. The interlocking intramedullary nail comprises a main nail and locking screws, the main nail comprises a far end, a near end and an expansion part, and the far end and the expansion part are arranged at the two ends of the near end; a plurality of threaded grooves are formed in the two sides of the far end and the near end; and the locking screws are full-thread screws, and the locking screws are screwed in the thread grooves. According to the intramedullary nail, the locking screws and the threaded grooves in the periphery of the main nail are extruded and locked to be connected and fixed, the number of the used locking screws is large and can be twice that of common intramedullary nails, the locking screws are large in diameter, high in strength and not prone to breakage, the main nail is of a solid structure, the mechanical strength is higher than that of the common hollow intramedullary nails, and the main nail is not prone to breakage; therefore, the reliability and the stability of the metaphyseal fracture bone defects can be provided, the abnormal activity of the fracture end is eliminated, and fracture healing is facilitated.

The invention discloses a floating head type heat exchanger pipe bundle shell side pressure test tool. The floating head type heat exchanger pipe bundle shell side pressure test tool comprises a packing culvert, a packing press ring and an O-shaped rubber sealing ring; and one side of the packing culvert is connected with a flange of the outer head cover side of a floating head type heat exchanger, a movable pipe plate is arranged in a packing culvert cylinder joint of the packing culvert, the packing press ring comprises a packing press ring cylinder joint, the end, located in the packing culvert cylinder joint, of the packing press ring cylinder joint abuts against a movable pipe plate sealing surface, and the other end of the packing press ring cylinder joint is connected with the packing culvert in a flange mode. According to the floating head type heat exchanger pipe bundle shell side pressure test tool, the type of the packing press ring pressing the sealing surface of the movable pipe plate is adopted by the sealing of a heat exchanger shell side and the movable pipe plate, by controlling the lengths of the packing culvert cylinder joint and the packing press ring cylinder joint, the requirements of different lengths of the movable pipe plate protruding a heat exchanger cylinder body can be met, and the universality of the pressure test tool is strengthened. A first sealing ring and a second sealing ring enable sealing elements to be interchangeable, reuse can be achieved, the use cost is low, and installation and use are convenient and easy.

The invention relates to a combined kitchen fume exhaust cover, which consists of a front cover plate (1), an upper cover plate (2), a top cover plate (3), a back cover plate (4) and a left and right end cover plate (5), wherein the mutual connecting ends of each cover plate is fixedly connected by flanges through screw bolts. The fume exhaust cover is divided into components, and is convenient for batch and standardized production and management, does not need welding or grinding, reduces the production cost, and is convenient for warehouse storage, transportation and installation, the integral length of the fume exhaust cover can be lengthened through butt joint, and the requirements on different lengths can be met.

The invention discloses an adjusting mechanism of a telescopic transportation isolation cabin, and relates to the technical field of transportation isolation cabins. The adjusting mechanism comprisesa framework, the framework comprises a bottom frame and supporting parts, and the multiple supporting parts are evenly distributed on the bottom frame to form an arched structure; a sealing film is arranged on the outer side of the framework in an adjusted mode, and two end openings of the sealing film are connected in a sealed mode; and an air exchange mechanism is fixed to one end of the sealingfilm through a binding belt and communicates with the interior of the sealing film through a connecting pipe. The bottom frame is formed by a mounting frame and an extension frame, the mounted bottomframe can extend and retract, meanwhile, the supporting parts mounted on the bottom frame can be put down so as to facilitate storage, and meanwhile, the outer side of the framework formed by the bottom frame and the supporting parts is connected with the sealing film in a sleeved mode, so that a closed space is formed to facilitate transportation of patients.

The invention relates to the technical field of municipal construction, and particularly relates to a supporting device for an underground comprehensive pipe gallery and a using method thereof. The supporting device comprises a fixing column and further comprises an inserting hole formed in one side of the fixing column, wherein a positioning hole is formed in the top of the fixing column, the positioning hole communicates with the inserting hole, and a positioning assembly is fixedly installed in the positioning hole. According to the supporting device, one end of a supporting frame is located in the fixing column, so that the overall strength can be enhanced, the supporting frame can be conveniently disassembled, then carrying is convenient, a user can rotate a hand wheel by hand to adjust the length of the supporting frame, and the requirements of different lengths can be met; and meanwhile, the user can limit a supporting object through an arranged limiting piece, so that the safety is improved.

The invention relates to an auxiliary device for difficult trachea cannula. The device comprises a trachea cannula body, an inner ring extension tube and an inner ring fixing tube, wherein the inner ring extension tube and the inner ring fixing tube are arranged in the trachea cannula body. One end of the trachea cannula body is a tail end connector, and the other end is a front end insertion opening. The inner ring fixing tube is installed inside the tail end connector of the trachea cannula body through a rotating shaft. One end of the inner ring fixing tube extends out of the trachea cannula body and is connected with an end-expiratory carbon dioxide monitoring device, and the other end is in threaded connection with the inner ring extending tube in the trachea cannula body. The outer side face of the inner ring extension tube and the inner side face of the trachea cannula body are arranged in an attached mode and can slide relatively. The end, away from the inner ring fixing tube,of the inner ring extension tube is arranged at the front end insertion opening of the trachea cannula body, and a micro camera is installed in the end opening through a supporting column. According to the invention, the telescopic length of the inner ring extension tube can be adjusted; the angle of the end of the inner ring extension tube can be adjusted; and end-expiratory carbon dioxide can bemonitored.

The invention discloses an adjustable inflatable textile bobbin. When in use, a rotating shaft is inserted into a mounting hole to inflate an inflatable inner container. Winding on multiple bobbins, when the length needs to be adjusted, move the upper bobbin or move the upper bobbin and the middle bobbin at the same time to adjust the overall length of the bobbin; the invention is simple in structure, easy to use, and can meet different length requirements.

The invention discloses a roller cigarette filter stick separating device. The device comprises a stock bin for transversely placing cigarette filter sticks, an opening with the same length as the cigarette filter sticks is formed at the lower portion of the stock bin, a roller with the diameter larger than the width of the opening is arranged at the lower portion of the opening, a stick falling groove is formed in the roller, and only one cigarette filter stick falls into the stick falling groove. The device further comprises a power mechanism, the roller is driven by the power mechanism to achieve conversion of the stick falling groove inside and outside the opening area of the stock bin, and the cigarette filter sticks falling into the stick falling groove are separated one by one through the stick falling groove. The roller with the stick falling groove is arranged at the opening at the bottom of the stock bin, the cigarette filter sticks automatically fall into the stick falling groove under the gravity action of the cigarette filter sticks, the roller is driven by the power mechanism to rotate to achieve position movement of the stick falling groove, and when the opening direction of the stick falling groove faces downwards, the cigarette filter sticks in the stick falling groove automatically fall; and then the roller continues to rotate or rotate reversely to receive new cigarette filter sticks again, so that the action of separating the cigarette filter sticks one by one is achieved, simplicity and convenience are achieved, and the application range is wide.

The invention relates to the technical field of machining, in particular to a sliding type cutting and fixing device. The sliding type cutting and fixing device comprises a working platform, a cutting knife and a fixing mechanism, wherein a sliding groove and a working groove are formed in the working platform; the fixing mechanism comprises a sliding plate and a fixing plate; one side of the sliding plate is hinged to the cutting knife; the lower end of the sliding plate is slidingly connected with the sliding groove; the lower part of the sliding plate is connected with springs; the springs are connected with the fixing plate; the fixing plate is positioned in the working groove; the horizontal end of the fixing plate is connected with the springs; the vertical end of the fixing plate is abutted against the working groove; a small hole is formed in the sliding plate, and is slidingly connected with a connecting rod; and the bottom end of the connecting rod is connected with the fixing plate. With the adoption of the sliding type cutting and fixing device having a fixing function, the problem that when cutting is carried out on plates, an additional fixing device is required to be matched for use, which leads to inconvenient operation is solved.

The invention relates to a monocrystalline silicon guillotine shear with multiple tool bits. The monocrystalline silicon guillotine shear with multiple tool bits comprises a machine frame, a multi-tool-bit cutting device, a feeding device and an adjusting device; a control device is installed in the machine frame; the multi-tool-bit cutting device is installed on the machine frame, and the multi-tool-bit cutting device is used for cutting a monocrystalline silicon rod; the feeding device is installed on the machine frame, the feeding device is connected to the multi-tool-bit cutting device, and the feeding device is used for feeding and cutting of the multi-tool-bit cutting device; the adjusting device is installed on the multi-tool-bit cutting device, the adjusting device is used for adjusting the distance between tool bits of the multi-tool-bit cutting device; and the adjusting device, the feeding device and the multi-tool-bit cutting device are all electrically connected to the control device. Through the structural design, the multi-tool-bit cutting device can cut a monocrystalline silicon rod into multiple sections at a time, therefore the cutting efficiency is improved; meanwhile, the distance among the multiple tool bits is adjusted through the adjusting device, and the requirement for different lengths of the monocrystalline silicon rod is met.

The invention relates to a multi-cutter monocrystalline silicon cutting machine, comprising: a frame, a control device is installed in the frame; a multi-cutter cutting device, the multi-cutter cutting device is installed on the frame, The multi-cutter cutting device is used for cutting monocrystalline silicon rods; the feeding device is installed on the frame, the feeding device is connected with the multi-cutter cutting device, and the The feeding device is used for the feed cutting of the multi-cutter cutting device; the adjusting device, the adjusting device is installed on the multi-cutter cutting device, and the adjusting device is used to adjust the distance between the cutter heads of the multi-cutter cutting device, The adjusting device, the feeding device and the multi-cutter cutting device are all electrically connected with the control device. Through the design of the above structure, the multi-cutter head cutting device can cut the monocrystalline silicon rod into multiple sections at one time, which improves the cutting efficiency. Different lengths of silicon rods are required.

The invention discloses an eel freezing and shaping device in the technical field of eel processing. The eel freezing and shaping device comprises multiple groups of detachable shaping cylinder assemblies connected in a front-back manner; the inner cavities of the shaping cylinder assemblies are through in a left-right manner; the left ends and the right ends of the multiple groups of shaping cylinder assemblies are covered with left sealing covers and right sealing covers respectively; each shaping cylinder assembly comprises two groups of hollow cylinders; a corrugated pipe is fixedly connected between the two groups of hollow cylinders in a communication manner; hinged blocks which can be hinged to each other are fixedly connected between the front side walls of the two groups of hollowcylinders; and an external threaded pipe is fixedly connected and communicates with the left end of the hollow cylinder on the left side. The eel freezing and shaping device is suitable for eel freezing and shaping; the number of the shaping cylinder assemblies can be increased or decreased according to needs so as to meet the requirements of different lengths of eels; swing of the shaping cylinder assemblies can be achieved under the action of the corrugated pipes and the hinged blocks, and polished rods are fixed through fixing bolts to finish shaping of the shaping cylinder assemblies, sothat various bending forms of the eels during freezing can be met.

The invention discloses a pneumatic constant-pressure control type derusting machine for steel rails. The derusting machine is characterized by comprising a base, a pneumatic pressure mechanism, a mobile mechanism and a derusting mechanism, wherein the mobile mechanism is arranged on the base, and the pneumatic pressure mechanism is arranged on the mobile mechanism and connected with the derusting mechanism. The derusting machine can derust tops and bottoms of the steel rails automatically before flash welding of the steel rails, and the flash welding effect is improved, so that the production efficiency of a whole steel rail production line is improved.