49results about How to "Fixed and reasonable" patented technology

The invention relates to a gradually degradable woven ureter scaffold tube and a preparation method thereof. The woven ureter scaffold tube comprises a tube body. The woven ureter scaffold tube is characterized in that: the tube body is woven by using at least two fiber raw materials with different degradation rates. The preparation method is characterized by comprising the following steps of: making the at least two fiber raw materials with different degradation rates into yarns, weaving the obtained yarns on a first core die by adopting a rhombic structure on a 16 to 32-spindle weaving machine to form a woven tube, stripping the woven tube from the first core die to form the tube body after heat setting, performing secondary heat setting, and coating the tube body by using chitosan to make the tail end of the annular structure. According to the woven ureter scaffold tube, gradient degradation can be realized, the degradation time is controllable, the degraded product is smaller than 1mm<3>, the structure is fixed, and the mechanical property is good.

The invention relates to a front cassette type jack and tool anchorage equipment for prestress tension. The equipment comprises a front clamping type tool anchorage device and a front cassette type jack with a force measurement sensor, wherein the front clamping type tool anchorage device includes a tool anchorage disc, a front push plate, a back push plate, a tool clamping sheet, a back-push rod,a forward push spring and a retraction amount feeler lever; the front cassette type jack includes a jack outer cylinder, a jack back baffle plate, a jack front baffle plate, the force measurement sensor, a limiting plate mounting seat and a jack piston; the front clamping type tool anchorage device is sleeved in the jack piston of the front cassette type jack. According to the front cassette typejack and tool anchorage equipment for prestress tension, while a steel strand is saved, the retraction amount of the tool clamping sheet can be detected through the retraction amount feeler lever, thus the tension efficiency and the tension control precision can be improved.

The invention discloses a sliding rail base of a notch grinder. The sliding rail base comprises a bottom plate seat, an upper rail, a lower rail and a middle round through hole, and is characterized in that the bottom plate seat is a rectangular column; the upper rail and the lower rail are transversely arranged on the upper-middle portion and the lower-middle portion of the front side of the bottom plate seat correspondingly; a left threaded hole is formed in the left-middle portion of the front side of the bottom plate seat and located between the upper rail and the lower rail; a right threaded hole is formed in the right-middle portion of the front side of the bottom plate seat and located between the upper rail and the lower rail; a middle round through hole is drilled in the middle of the left side of the bottom plate seat from left to right and penetrates the bottom plate seat from the left side to the right side; a left positioning hole is formed in the left-middle portion of the rear side of the bottom plate seat; a right positioning hole is formed in the right-middle portion of the rear side of the bottom plate seat; an upper-left installing groove and a lower-left installing groove are formed in the upper-left portion and the lower-left portion of the rear side of the bottom plate seat correspondingly; and an upper-right installing groove and a lower-right installing groove are formed in the upper-right portion and the lower-right portion of the rear side of the bottom plate seat.

The invention discloses combined dust removal equipment, which comprises at least one dust remover unit, wherein the dust remover unit comprises a plurality of dust removal module single bodies in vertical overlapped arrangement; each dust removal module single body comprises a front plate, a rear plate, a pattern plate, a left side plate and a right side plate; the pattern plate divides each dust removal module single body into an air inlet cavity and an air extraction cavity; a filter tube is arranged in each air inlet cavity; all of the air inlet cavities form a dust removal chamber; all of the air extraction cavities form an air purification chamber; an upper functional cavity is fixed on the dust removal module single body positioned at the uppermost side; a dust-containing gas inlet is formed in the upper functional cavity; the dust-containing gas inlet communicates with the dust removal chamber; the lower end part of the dust removal module single body positioned at the lowermost side is provided with a dust collecting hopper; the lower part of the dust collecting hopper is provided with a dust collecting device; a negative pressure air extraction fan is connected with the air purification chamber. The dust removal equipment uses a combined installation mode; high speed and convenience are realized; different requirements of customers can be met only by using one set of dust removal equipment mold by using different assembly modes; the use range is wide; the manufacturing is easy.

The invention discloses anti-falling vehicle-mounted navigator fixing equipment. The anti-falling vehicle-mounted navigator fixing equipment comprises a vacuum suction disc, a navigator fixing plate and a resetting rod; the lower end of a connecting rod is inserted into a cylinder; the upper end of the connecting rod is connected with a circular ring; one end of the resetting rod is inserted into each of the circular ring and a positioning hole in the navigator fixing plate to position the navigator fixing plate; the other end of the resetting rod is connected with the upper end of a conical cover; a clamping strip is arranged on the resetting rod; the diameter of the lower end of the conical cover is matched with the inside diameter of a vehicle-mounted navigator resetting hole in size; a second cylinder is arranged on the outer surface of the lower end of the cylinder in a sleeving manner; N screw holes are formed in the side surface of the second cylinder; one end of each N bracket is inserted into the corresponding one of the N screw holes; each bracket is connected with a spring pillar; the upper end of each spring pillar is connected with the lower surface of the corresponding bracket; the lower end of each spring pillar is connected with a fixing piece. According to the anti-falling vehicle-mounted navigator fixing equipment, the technical effects that the vehicle-mounted navigator resetting hole is convenient to use and has low probability of damage, and a vehicle-mounted navigator is fixed reasonably and is convenient to use are achieved.

The invention discloses a transverse base of a groove grinding machine. A transverse notch is formed in the middle of the upper face of a metal base from top to bottom. A front circular bead is arranged between the front face and the bottom face of the transverse notch. A back circular bead is arranged between the back face and the bottom face of the transverse notch. A back ditch is formed in the back portion of the upper face of the metal base from top to bottom. A front ditch is formed in the front portion of the upper face of the metal base from top to bottom. The front ditch and the back ditch are the same in height and are parallel to each other. A lower ditch is formed in the middle of the bottom face of the metal base from bottom to top. Seven circular through holes are sequentially formed in the middle of the bottom face of the transverse notch from left to right and all penetrate from the bottom face of the transverse notch to the upper face of the lower ditch. The seven circular through holes are sequentially a first circular through hole, a second circular through hole, a third circular through hole, a fourth circular through hole, a fifth circular through hole, a sixth circular through hole and a seventh circular through hole.

A novel multifunctional ruler is characterized in that the modeling of the ruler is designed, a protruding arc face is designed at the left end, so that after the ruler is horizontally arranged on the plane, the ruler can be used normally; when a gel pen needs to be used, the gel pen is separated from the ruler through an antiskid block, at the moment, the gel pen can be used for writing, the gel pen continues to be inserted into the ruler after the gel pen is used, and the ruler can be folded through the arc face on the left side very easily.

The invention discloses a multi-head saw cutting device for pipes. The multi-head saw cutting device comprises a horizontal machine base, wherein a guide rail is arranged on the horizontal machine base. The multi-head saw cutting device further comprises at least two saw cutting heads which are connected in series, wherein a base of each saw cutting head is directly or indirectly installed on a guide rail in a sliding mode, and a linkage mechanism is installed between every two adjacent bases. A sliding driving device for driving the saw cutting heads to slide is installed on the horizontal machine base, the sliding driving device is in transmission connection with the base of one saw cutting head, and a middle supporting guide mechanism used for supporting cut-off pipes is further installed between every two adjacent bases. A downstream supporting and guiding mechanism used for supporting the cut-off pipes is installed on the base of the saw cutting head located at the most downstreamposition in the pipe conveying direction. The multi-head saw cutting device can cut pipes shorter and is high in cutting efficiency.

The invention provides an automobile middle and rear floor assembly clamp. The automobile middle and rear floor assembly clamp comprises a platform, and the platform is provided with clamping mechanisms. Each clamping mechanism comprises a power source, a chuck and a supporting frame. The first clamping mechanism, the second clamping mechanism, the tenth clamping mechanism, the third clamping mechanism and the fourth clamping mechanism are sequentially arranged at one end of the platform, the eleventh clamping mechanism, the seventh clamping mechanism, the fourteenth clamping mechanism, the ninth clamping mechanism and the twelfth clamping mechanism are sequentially arranged at the other end of the platform, and the fifth clamping mechanism is arranged in the middle of the platform. According to the automobile middle and rear floor assembly clamp, because a middle and rear floor assembly of an automobile is characterized by being special in structure and irregular in part of the shape, the clamping mechanisms are arranged on the periphery and the middle of the platform respectively according to production requirements when the positions of all the clamping mechanisms are arranged, the middle and rear floor assembly of the automobile can be reasonably fixed, and the machining operation on the middle and rear floor assembly of the automobile is not affected on the premise that a good fixing effect is guaranteed.

The invention discloses a fixing device of a vehicle-mounted navigator. The fixing device of the vehicle-mounted navigator comprises a vacuum suction disc, a navigator fixing plate and a returning rod, wherein the lower end of a cylinder is connected with the upper end of the vacuum suction disc; the lower end of a connection rod is inserted into the cylinder; the upper end of the connection rod is connected with a circular ring; one end of a first rotation shaft and one end of a second rotation shaft are connected with the inner wall of the circular ring; the other end of the first rotation shaft and the other end of the second rotation shaft are respectively inserted into fixing holes of the navigator fixing plate; positioning holes are formed in the side surface of the navigator fixing plate and the side surface of the circular ring; one end of the returning rod is inserted into the positioning holes of the circular ring and the navigator fixing plate respectively to position the navigator fixing plate; the other end of the returning rod is connected with the upper end of a conical cover; a seal ring is arranged at the edge of the lower surface of the vacuum suction disc. Through the fixing device of the vehicle-mounted navigator, the technical effects that a returning hole of the vehicle-mounted navigator is convenient to use and low in possibility of damage, and that the vehicle-mounted navigator is reasonable in fixing and convenient to use can be achieved.

The invention provides a vehicle shelf. The vehicle shelf comprises beams, fixing rods, moving frames, supporting frames, fixing seats, rope fixing buckles and connecting seats, wherein the beams andthe fixing rods are two, the two beams are oppositely placed, and meanwhile, the two fixing rods which are located at the bottom of the two beams and the beams are arranged in a cross mode. The connecting seats are used for connecting the beams and the fixing rods, through the cooperation of bolts, bolt connecting parts and clamping plates, the connecting seats can move along sliding grooves of the beams and upper sliding grooves I of the fixing rods, the connecting seats can further be fixed at the same time; the two supporting frames are further fixed to the bottom of each of the fixing rods, the tops of the supporting frames can move along lower sliding grooves I of the fixing rods by the cooperation of the bolts, the bolt connecting parts and the clamping plates and can further be fixed at the same time; the bottoms of the supporting frames are supplied for fixing the fixing seats; and the moving frames are fixed to the two beams, the moving frames can move back and forth along thebeams and can further be fixed at the same time. Of course, the rope fixing buckles can further move along the sliding grooves at the bottoms of the beams and can be fixed.

The invention discloses a grinding head installation base of a groove grinding machine. The installation base is a cylindrical metal base and is arranged transversely. A circular through hole is drilled rightwards in the center of a left circular face of the metal base, the circular through hole and the outer circumference of the metal base are concentric circles, a left circular hole is also drilled in the left circular face of the metal base, the left circular hole and the circular through hole are concentric circles and are communicated, a left taper hole is then formed rightwards in the right face of the left circular hole, the left taper hole and the circular through hole are communicated, the center line of the left taper hole coincides with the center line of the circular through hole, a middle circular hole is formed in the middle of the circular through hole, the middle circular hole and the circular through hole are concentric circles and are communicated, the center of the middle circular hole is also the center of the metal base, six left threaded holes are evenly drilled in the right face of the left circular hole, a right circular hole is drilled in the right circular face of the metal base, the right circular hole and the circular through hole are concentric circles and are communicated, a right taper hole is formed leftwards in the left face of the right circular hole, the right taper hole and the circular through hole are communicated, the center line of the right taper hole coincided with the center line of the circular through hole, a narrow circular hole is formed between the right taper hole and the middle circular hole, the narrow circular hole and the circular through hole are concentric circles and are communicated, and six threaded holes are evenly drilled in the left face of the right circular hole.

The invention relates to a safety mattress for infants, which has a reasonable structure and good safety, can not only satisfy the sleeping comfort of infants, but also play a good role in shaping the heads of infants. It consists of a mattress body for carrying infants. There are two concave areas on the mattress body, one of which is the concave area of ​​the head, and the other is the concave area of ​​the body with a slope from the neck down to the feet. The section is a supporting part that matches the cervical spine; a connecting piece is provided at the concave area of ​​the body, and the connecting piece is movably connected with the back of the anti-drop bandage for infants and young children so as to meet the needs of infants and young children turning over.

The invention provides a support rod for plants in an agricultural greenhouse. The support rod comprises a support rod body, a placement grid structure, a winding crossbar structure, a trawl structure, a protective fence structure, a support base structure and a long hole, wherein the placement grid structure is fixed on the upper part of the support rod body, and the winding crossbar structure iswelded to the top of the support rod body. The support rod has the advantages that through the arrangement of the placement grid structure, dragging of fruits of the plants can be facilitated conveniently, and meanwhile the problem of slipping off, which is caused by excessive weight of the fruits, of the plants can be solved; through arrangement of the winding crossbar structure, the limitationon the height of growth of the plants can be prevented beneficially when the height of the greenhouse is limited, and meanwhile the plants of excessive length can be supported more conveniently; by arranging the support base structure, it is more convenient to use the support rod for the plants in the agricultural greenhouse beneficially, and meanwhile the stability of the support rod for the plants in the agricultural greenhouse beneficially can also be increased.

The invention relates to a preoperative cannulated screw simulation fixing device for the orthopedic department. The preoperative cannulated screw simulation fixing device comprises a first simulationskeleton, a second simulation skeleton and a simulation clamp sleeve, wherein the axial position of the first simulation skeleton is fixedly arranged, and a plurality of first reserved holes are formed in the surface of the first simulation skeleton; the bottom of the second simulation skeleton is connected with a linear displacement mechanism, the linear displacement mechanism is arranged in thedirection parallel to the axis of the first simulation skeleton, and thus the second simulation skeleton moves linearly in the axial direction of the first simulation skeleton; a plurality of secondreserved holes are formed in the surface of the second simulation skeleton; and the simulation clamp sleeve is suitable for being inserted into the first reserved holes and the second reserved holes.The preoperative cannulated screw simulation fixing device is reasonable in structural design, a doctor can simulate the connection positions of a connecting plate and cannulated screws according to the specific details shot by CT and preliminarily simulate the force bearing situation of the cannulated screws, thus the connecting plate and the cannulated screws are fixed more accurately and more reasonably, the sense of pain brought to a patient after the cannulated screws and the connecting plate are connected is reduced, and thus the fracture part is accurately guided and fixed.

The invention discloses a middle section method uniaxial compression reading auxiliary device and a using method thereof. The middle section method uniaxial compression reading auxiliary device comprises an upper long-strip-shaped square rod, a lantern ring, a built-in screw, a fixed vertical plate, a dial indicator, a flat-head screw, a nut, a screw hole, a fixed knob and a lower long-strip-shaped square rod, wherein the lantern ring comprises an upper annular lantern ring and a lower annular lantern ring, four screws are arranged in the lantern ring at an angle of 90 degrees, and the tips ofthe screws face inwards and are used for sleeving a cylindrical sample and being fixed on the sample; one end of the lower long-strip-shaped square rod is fixed to the lantern ring through the rotaryknob and can freely rotate along the plane, the other end of the lower long-strip-shaped square rod is provided with a screw hole used for containing the flat-head screw, and the flat-head screw is fixed through the upper nut and the lower nut so as to guarantee that the upper end of the square rod has enough screw length. According to the device, through cooperative use of the fixed vertical plate, the screws and the nuts, the deformation of the middle sections of different lengths of the cylindrical sample can be tested, the test precision is improved, the structure is simple, the carryingis convenient, and application and popularization in production and teaching are easy.

The invention discloses a heat dissipation device for a notebook computer. The heat dissipation device is arranged in the notebook computer and is characterized by comprising a fan, a heat transfer pipeline and a heat conducting component, wherein the heat conducting component is in contact with a heating element in the notebook computer, the heat conducting component is arranged on the heat transfer pipeline, the heat transfer pipeline is connected with an air inlet end and an air outlet end of the notebook computer, and the fan connected with the heat transfer pipeline is arranged at the airinlet end.

The invention provides an opposite horn producing device based on an automatic induction pressure gauge machine. The opposite horn producing device based on the automatic induction pressure gauge machine comprises a workbench and a press-fitting device. According to the opposite horn producing device based on the automatic induction pressure gauge machine, due to the fact that four upper movable blocks are arranged in a radial shape based on the press-fitting device; four lower movable blocks are correspondingly arranged on the lower end face of the press-fitting device, the novel structure ismade distinct, and combined fixing for a horn is more reasonable; due to the fact that a fixing plate is arranged into an arc shape with an opening facing the press-fitting device; a fixing block isin a rubber arc shape equal to that of the fixing plate, and the fixing block and the fixing plate are fixedly connected; when the novel structure works, fixing of the horn has certain buffering performance, and no damage can be caused; due to the fact that the sum of the length of the lower movable blocks and the maximum length of a built-in spring is equal to 2/3 of the length of a fixed slide groove, a positioning rod is located at the upper ends of the upper movable blocks, and a threaded rod is arranged at the lower ends of the lower movable blocks, when the novel structure works, an upper shell and a lower shell of the horn are connected smoothly.