51results about How to "Achieve double fixation" patented technology

The invention provides a steel coil tensioning device of a full-automatic uncoiler, belongs to the technical field of uncoilers and overcomes the defects of high price, huge volume, difficult popularization and application and short service life of a conventional large heavy-duty uncoiler. The steel coil tensioning device of the full-automatic uncoiler comprises a hollow rotary shaft of which one end part serves as a construction section and the other end serves as a cantilever section, and a plurality of tensioning plates distributed at the periphery of the cantilever section of the rotary shaft; the construction section of the rotary shaft is connected to a base; a connection rod is arranged between each tensioning plate and the rotary shaft; one end of the connection rod is hinged to the corresponding tension plate, while the other end is hinged to the rotary shaft; and the tensioning plate is connected with a spreading / shrinking mechanism capable of driving all tensioning plates to spread or shrink at the same time. The tensioning device has the advantages of low manufacturing cost, adaptability to various steel coils with different specifications and relatively light weight, less abrasion, good tensioning effect and long maintenance period.

The invention discloses a glans penis holder for a circumcision apparatus. The glans penis holder comprises a glans penis holder body and a guide rod and is characterized in that the top wall of the glans penis holder body and the guide rod are fixed by means of threaded connection; due to threaded connection, strength and impact resistance of a joint part are greatly improved, and the joint part is capable of bearing continuous cutting pressure in a cutting process without breakage or damages. In addition, since a rubber coating for the joint part is additionally arranged by means of secondary rubber coating, dual fixation is realized, strength of the joint part is further improved, and the service life of the glans penis holder can be prolonged.

The invention provides a vehicle window used for a railway vehicle and the railway vehicle. The vehicle window used for the railway vehicle comprises a window frame, an outer-layer glass board and an inner-layer glass board. A stair structure is formed on the inner side wall of the window frame. The outer-layer glass board and the inner-layer glass board are arranged on the corresponding step faces formed by the stair structure. Sealant is arranged between the outer-layer glass board and the stair structure and between the inner-layer glass board and the stair structure. The section of the sealant is of a Z-shaped structure. The window frame is further provided with connecting pieces which are provided with bolts. Due to the fact that the sealant of an integrated structure is arranged between the inner-layer glass board and the outer-layer glass board, and the cross section of the sealant is of the Z-shaped structure, the connection reliability and the sealing performance between the glass boards and the window frame can be effectively improved, meanwhile, the window frame is installed on a compartment through cooperation of the bolts and the structural sealant, double fixing is achieved, and the use reliability of the vehicle window is effectively improved.

The invention discloses a locking mechanism. The locking mechanism comprises an inner roller component and a locking component, and the technical key point is that: the locking component is controllably locked on the inner roller component together with a hammer-shaped head through a controllable matched tentacle. The locking mechanism has the advantages of simple and compact structure, convenience and efficiency in use, low maintenance cost, long service life, low fault rate and the like.

The invention discloses a lithium battery capable of preventing combined resonance, and relates to the technical field of lithium batteries, the lithium battery comprises a battery box and an early warning assembly, a module seat is mounted in the battery box, a limiting seat is mounted on the surface of the module seat, an anti-resonance assembly is mounted in the limiting seat, and a battery main body is arranged in the anti-resonance assembly; the anti-resonance assembly comprises a frame, a rotating shaft, a stabilizing base, a connecting piece, an elastic protection piece, a heat dissipation patch, a groove and an elastic clamping block. According to the lithium battery module, a plurality of components are matched with one another, so that a single lithium battery can be firmly fixed on the surface of the module seat, the stability is improved, the danger caused by resonance generated by vibration is avoided, the height is freely adjusted through the connecting component, the mounting is convenient, and the mounting efficiency is improved. And after installation, the lithium battery in the middle can be further locked and reinforced, the safety of the equipment during working is improved through the protection assembly, and heat dissipation of the equipment can be assisted.

The invention discloses a spring push rod mechanism and a rapid connection device and relates to the technical field of marine fluid loading and unloading special-purpose equipment. The spring push rod mechanism comprises a first core shaft, a second core shaft, a spring, a position-limiting rod, a ball head joint bearing and a joint bearing, wherein the position-limiting rod is connected betweenthe first core shaft and the second core shaft to make the position-limiting rod form concave-convex coordination with the first core shaft and make the position-limiting rod form fixed connection with the second core shaft at the same time, no matter how the first core shaft and the second core shaft move relative to each other, the position-limiting rod can always clamp the first core shaft, andloose separation between the first core shaft and the second core shaft is avoided. Compared with adoption of position limiting by a fan-shaped light groove, the structural strength of the position-limiting rod is stronger than that of the fan-shaped light groove, and the position-limiting rod can realize a better position-limiting effect; and by means of the second core shaft and the joint bearing in rotating connection, reduction of the rotation force and angle of the second core shaft is facilitated, the loose separation phenomenon occurring at the threaded connection positions between thefirst core shaft and the ball head joint bearing is improved, and bending deformation of the core shafts and the joint bearing is avoided.

The invention provides a novel titanium alloy joint stent coated with calcium phosphate bioactive ceramics. The stent comprising a joint handle, a metal ball head and a polyethylene mortar, wherein the metal ball head is connected with one end of the joint handle, and the metal ball head and the polyethylene mortar form a joint friction pair. The invention provides a novel titanium alloy joint support coated with calcium phosphate bioactive ceramic, which has good biocompatibility, long service life and convenient maintenance.

The invention discloses a pole tower fastening structure, including a pole tower body, a hollow cavity is formed in the pole tower body; a hanging pulling device is arranged in the hollow cavity; a base is installed at the bottom of the pole tower body, a protruding part is arranged at the top of the base and buckled into the bottom of the hollow cavity in a sealed mode, the outer wall of the protruding part is in contact with the inner wall of the hollow cavity, the bottom of the hanging pulling device is connected with the protruding part on the base, and the whole pole tower body is pulleddownwards through the hanging pulling device to make tightly contact with the upper end face of the base. A stay wire structure does not need to be arranged after the pole tower is embedded, the problem that a stay wire affects passersby is solved, the appearance structure is simpler, the structure is simplified, and the embedding strength of the pole tower is enhanced.

The invention discloses a pulling device for testing ductility of fabrics. The pulling device comprises a worktable; a semicircular arc-shaped groove is formed in one side of the bottom end of the worktable; a rotating mechanism is arranged in the semicircular arc-shaped groove; the rotating mechanism comprises a driving shaft; a driven shaft is arranged on one side of the driving shaft; a bottomplate is arranged at the upper end of the worktable; clamping plates are arranged at the side ends of the bottom plate; snap-gauges and side plates are arranged at the side ends of the clamping plates; air cylinders are fixed at the side ends of the worktable; and a support rod is fixed between the tops of piston rods on the air cylinder. Through the snap-gauges and the side plates at the side ends of the clamping plates, the fabrics can be fixed; after fastening bolts are matched with threaded holes, limiting pins are inserted into limiting holes, so that double-fixing for the fabrics is realized, thereby ensuring the firm fixing and ensuring the fabrics not to be lacerated during the pulling so as to ensure the test correctness; and meanwhile, after the test for one ends of the fabrics is finished, the users do not to fix the other ends through relieving the fixing after the test on one side, so that the operation steps are saved and the working efficiency is improved.

The invention discloses a microchannel heat exchanger for an air conditioner of a passenger car. The microchannel heat exchanger for the air conditioner of the passenger car comprises collecting pipes, an installation support, flat pipes and edge plates, wherein a fixing device is arranged on the edge plates, the fixing device is a rectangular box, one side of the rectangular box is open, the rectangular box comprises a bottom surface, an upper installation surface, lower installation surface, a left supporting edge plate and a right supporting edge plate, installation holes are formed in the middle of the upper installation surface and in the middle of the lower installation surface, and clamping grooves are formed in the upper end and lower end of the left supporting edge plate and the upper end and the lower end of the right supporting edge plate; edge plate installation holes are formed in the upper surface and the lower surface of each edge plate at intervals, and the edge plate installation holes and the installation holes are identical and are all round or oval; the upper surface and the lower surface of each edge plate are inserted into the corresponding upper clamping groove and the corresponding lower clamping groove of the fixing device, the installation holes in the upper surfaces and the lower surfaces of the edge plates are made to be in butt joint with the installation holes in the upper installation surface and the lower installation surfaces of the fixing device, and then fixation is achieved through bolts and nuts. According to the microchannel heat exchanger for the air conditioner of the passenger car, fixing points are arranged on the edge plates of the heat exchanger, fixation in the width direction of a collecting pipe support and fixation in the length direction of the edge plates of the microchannel heat exchanger are achieved, and the strength and the reliability of the microchannel heat exchanger for the air conditioner of the passenger car can be guaranteed.

The invention provides a nasogastric feeding tube fixer, and relates to the technical field of a medical device. The fixer comprises a nose plug sheet and a nose plaster, wherein the nose plug sheet is a soft sheet having elasticity, and the nose plug sheet is rolled to the left edge and the right edge to be in mutual superposition, so that a nose plug pipe is formed. The nose plug pipe is in theshape of a frustum being narrow in the upper part and wide in the lower part, and the lumina of the nose plug pipe is in the shape of a right cylinder in up and down penetrating manner, and a fastenertape and a fastener column are fixed to the outer wall of the nose plug pipe. The fastener tape is a soft tape having elasticity, a plurality of button holes are distributed in the length direction of the fastener tape in a spacing manner; one button hole sleeves the fastener column in a tight fit manner; and the nose plaster is an adhesive plaster having stickiness, and a left plug pipe pull line and a right plug pipe pull line are fixed to the outer wall of the nose plug pipe. The upper ends of the two plug pipe pull lines are fixedly connected with the nose plaster. The fixer provided by the invention is used for fixing the nasogastric feeding tube.

The invention discloses a junction device, including: a handle body with a hollow structure inside; a plastic stent, which is a nail shaped structure with a center bore, wherein, the diameter of the nail head of the nail shaped structure is larger than the diameter of the hollow port of the handle body and the plastic stent is inserted in the hollow core of the handle body; a metal connector, the shape of the inserted end of which is consistent with the shape of the center bore of the plastic stent. And the inserted end is a little bigger than the center port of the plastic stent. With the invention, the metal connector can be doubly fixed in the handle body, which strengthens the fixation effect. And the junction device of the invention has the advantages of simple structure and firm connection and can avoid the leakage of molten masses and maintain the beauty of products.

The invention provides an industrial ultrasonic water meter. The industrial ultrasonic water meter comprises a protection mechanism, a pipeline, a fixing mechanism and a water meter body, wherein thelower end of the protection mechanism is provided with the water meter body, the lower end of the water meter body is provided with the fixing mechanism, the lower end of the fixing mechanism is provided with the pipeline, the protection mechanism comprises a collecting box, a telescopic plate, a protection plate, a sliding block, a connecting rod, a fixing rod, a first spring and a cleaning hairbrush, and the fixing mechanism comprises a pressing plate, a second spring, a connecting frame, a sliding rod, a sucking disc, a fixing tube, a fixing column, a first movable rod, a second movable rod, a bolt and a bearing. Compared with the prior art, the industrial ultrasonic water meter has the advantages that the protection of the water meter body is achieved, the dust is prevented from corroding the water meter body, the removing and collecting of the dust are achieved, the installation and detachment of the industrial ultrasonic water meter are simpler, the sealing effect is good, the double fixation is achieved, the shake-proof effect is achieved, and the looseness is avoided.

The invention relates to the technical field of interfaces, and particularly discloses a portable interface module based on 5G communication, which comprises a circuit board, a VGA interface and a VGAconnector matched with the VGA interface, wherein the VGA interface comprises a connector body, an interface, a clamping groove and two fixing devices, and the fixing devices are symmetrically mounted on two sides of the connector body; the fixing device is internally sleeved in two through holes penetrating through the VGA connector body; the fixing device comprises a fixing rod, a fixing sleeveand an expansion sleeve connected to the fixing rod in a sleeving mode; the fixing rod comprises an upper screw part and a lower polished rod part; the expansion sleeve is connected to the screw part; an expansion part of a circular-truncated-cone-shaped structure is arranged at the lower end of the polished rod part; an expansion groove is formed in the side wall of the lower end of the expansion sleeve in the axial direction; the expansion groove penetrates through the outer edge of the expansion sleeve to the center through hole; and an expansion piece is formed between every two adjacentexpansion grooves. Double detachable connection can be achieved, the VGA connector is detachable, the signal line can also be detached, and customers can perform randon selection according to needs.

The invention provides a punching pile machine convenient for folding and moving, and relates to the field of road and bridge construction equipment. The problems that a falling position of an impacthead is prone to shifting under the influence of wind force in windy weather; when the impact head is fixed, fixing is usually conducted by a clamp, the disassembly is cumbersome, and diversified fixed structures cannot be adopted simultaneously to synchronously fix are solved. The punching pile machine convenient for folding and moving comprises a vehicle body, a telescopic arm is rotatably connected to the vehicle body. Because an elastic clamp pin is installed on a suspension head, the head end of the elastic clamp pin is of an inclined structure, the convenience of clamping installation between a suspension heat and the suspension head can be improved; and secondly, when a clamping arm and a clamping seat are clamped, the suspension head is in contact with the bottom end surface of theinner wall of the suspension seat, thus on the one hand, the clamping seat and the clamping arm can be used as second fixing and limiting structures for use, and on the other hand, the two clamping structures can be clamped or inserted for fixation at the same time.

The invention provides an elevator without a machine room. The elevator without the machine room comprises a hoistway, a lift car and anti-falling devices. The hoistway comprises an insertion hole which is formed in the side wall of the hoistway. The anti-falling devices comprise a first anti-falling device and second anti-falling device. The first anti-falling device comprises a bolt which is arranged corresponding to the insertion hole and a baffle plate for covering the bolt; one end of the bolt is located in the lift car while the other end of the bolt perpendicularly passes through the side wall of the lift car and is opposite to the insertion hole; the second anti-falling device comprises a proximity switch, a controller and an electromagnet which are successively connected. The proximity switch is arranged in the insertion hole, the electromagnet comprises a main electromagnet which is fixedly arranged in the top of the hoistway and an auxiliary electromagnet which is fixedly arranged on the top of the lift car, and the main electromagnet and the auxiliary electromagnet which are galvanized attract each other; and the current comprises a direct current and an alternating current which attenuates gradually. According to the elevator without the machine room provided by the invention, the lift car is fixed by virtue of a double locking structure, so that the elevator without the machine room not only is good in safety, but also is convenient to use.

An assembled wallboard, relating to the technical field of construction engineering, comprising: a first wallboard, one side of which is provided with two mounting seats, and both sides of the mounting seats are provided with limiting grooves; a second wallboard, one side of which is provided with There are two installation grooves, the inner wall of the installation groove is provided with a fixing groove, the bottom of the fixing groove is provided with a rotating groove, the inside of the fixing groove is provided with a fixing mechanism, one end of the fixing mechanism is connected with a transmission mechanism, and the inner side of the fixing groove is provided with A chute, a groove is provided on the inner side of the inner wall of the chute, a slide plate is arranged in the chute, a control board is connected between the left and right slide plates, a threaded hole is provided at the outer end of the slide plate, and the second wallboard There is a fixed cavity in the middle of the interior, and a locking mechanism is set in the fixed cavity. There are connecting holes connected to both sides of the fixed cavity, and a linkage mechanism is arranged in the connecting hole. One end of the linkage mechanism is connected with the transmission mechanism, and the other end is connected with the locking mechanism; The assembly is firm and reliable, and the operation is simple and fast, saving labor and reducing costs.

The invention discloses efficient equipment for a shot blasting machine, and particularly relates to the field of shot blasting machines. The efficient equipment comprises a hot pot type pot, whereina bottom supporting mechanism is fixedly installed at the bottom of the hot pot type pot, and a plurality of pot supporting mechanisms are fixedly installed on the edge of the outer wall of the bottomsupporting mechanism and are annularly and sequentially arranged at equal intervals; and the bottom of the bottom supporting mechanism is in threaded connection with a bolt type connecting mechanism,arch-shaped clamping bases are fixedly installed at the bottoms of the fan-shaped attaching panels through bolts, and bevel type clamping sections are fixedly installed at the bottoms of the arch-shaped clamping bases through bolts. According to the efficient equipment, by arranging the pot supporting mechanisms, different arc-shaped supporting bases are installed according to hot pot type pots of different types and sizes, and connecting type suction cups drive plastic torsional springs to be attracted and supported on the bottom edge of the hot pot type pot to achieve the fixing effect; andthe fixing convenience of the hot pot type pot and the processing efficiency of the hot pot type pot are relatively improved.

The shell tightening device comprises a clamping mechanism, a support, a tightening motor, an air cylinder and a controller, the air cylinder is vertically arranged, the bottom end of a telescopic rod is fixed to the tightening motor, the tightening motor is vertically arranged, and the bottom end of an output shaft of the tightening motor is connected with the clamping mechanism through the support; the clamping mechanism is provided with a plurality of clamping plates which are arranged front and back and can be close to or away from each other to achieve clamping or releasing, and the controller is electrically connected with the clamping mechanism, the tightening motor and the air cylinder. Through combined use of the clamping mechanism, the support, the tightening motor, the air cylinder and the controller, the shell of the jack can be clamped firstly, then downward rotation of the shell of the jack is completed, finally tightening work of the shell of the jack is achieved, and the preparation efficiency of the jack can be greatly improved.

The invention discloses a brushless motor for a plant protection unmanned aerial vehicle. The brushless motor comprises a limiting plate and a brushless motor body. The brushless motor body is fixedlyinstalled at the top of the limiting plate, a protective cover is arranged outside the brushless motor body, the bottom of the protective cover is fixedly connected with the upper surface of the limiting plate, and a first rotating shaft is fixedly installed at the output end of the brushless motor body; a second rotating shaft is arranged at the end, away from the protective cover, of the firstrotating shaft, the outer ring of the second rotating shaft is fixedly connected with a propeller, and a first clamping mechanism is fixedly mounted in the end, close to the second rotating shaft, ofthe first rotating shaft. The brushless motor for a plant protection unmanned aerial vehicle is provided with the first clamping mechanism and a second clamping mechanism. The two mechanisms are usedtogether to realize double fixation of the propeller, so that the propeller is more stable to install, the structure is ingenious, the installation of the propeller is simple and clear, the operationmethod is more convenient, and the operation is easy.

The invention discloses a pole mounting and fixing device for a transmission line pole tower, which includes a pole and an end fixing piece. The end fixing piece includes a connecting piece, a fastener and a first fastening screw; the connecting piece and the clamping piece pass through the A fastening screw is fixed; the end of the holding rod is fixed and the connecting piece is fixed. The invention provides a pole-holding installation and fixing device for transmission line poles and towers, which has the advantages of convenient fixing of the fixing device, and can be used in different terrains and different jobs, and does not require power failure during use, which improves work efficiency and improves equipment operation reliability at the same time .

The invention belongs to the technical field of bamboo chip processing, and discloses a center locating device for bamboo chip processing. The center locating device comprises a base provided with a containing cavity, an object table arranged in the containing cavity, a pressing structure arranged above the object table, locating devices arranged on the two sides of the pressing structure and a cutter. Each locating device is provided with locating rods arranged on the two sides of the object table, a rotating shaft penetrating through the upper portion of the base and a connecting rod, and each rotating shaft stretches out of the end of the base to be provided with a limiting device. The center locating device further comprises a feeding discharging and a discharging opening which are arranged on the two sides of the base and used for transporting bamboo chips. When bamboo chips are fixed, the locating devices on the two sides cooperate with the limiting device at the upper end of thebase, so that when the locating devices are opened by bamboo chips, the moving angle of the locating devices is controlled by the limiting device, and then bamboo chips are locked and fixed; and meanwhile, through the pressing structure arranged above bamboo chips, bamboo chips can be effectively prevented from being supported vertically upwards, bamboo chips are cut by the cutter into equal-width bamboo chips, and therefore cutting quality and efficiency are improved.

The invention relates to the field of decoration, in particular to a movably-mounted wash basin bracket and a mounting method thereof. At least two wash basin bracket units are mounted on a wall belowa wash basin surface; each wash basin bracket unit is a triangular framework consisting of a wash basin surface fixing plate, a bracket supporting plate, a wall surface mounting plate and a wall bolt; the wash basin surface fixing plate is vertical to the wall surface mounting plate; the bracket supporting plate is connected with the wash basin surface fixing plate and the wall surface mounting plate in an inclined way; each wash basin bracket unit is mounted on the wall through the wall surface mounting plate; the wash basin surface is mounted on the wash basin surface fixing plate; the bracket supporting plate is a long slot-shaped plate with a U-shaped section; a sleeve is longitudinally arranged inside a long slot of the bracket supporting plate; the wall bolt is inserted into the sleeve; one end of the wall bolt is fixed to the end part of the bracket supporting plate; the other end of the wall bolt runs through the wall surface mounting plate and the wall and is positioned on the back surface of the wall. According to the technical scheme adopted by the invention, standard part production of the wash basin bracket unit can be achieved, the efficiency is improved, the cost isreduced, and the wash basin bracket unit achieves dual fixing and good firmness; in addition, the movably-mounted wash basin bracket is simple in structure and convenient to mount.

The invention discloses a protection device for communication equipment and specifically relates to the technical field of protection of the communication equipment. The protection device for the communication equipment comprises a sealing cover; a base is arranged on one side of the sealing cover and a first binding belt is arranged on the other side of the sealing cover; the first binding belt is fixedly connected to the sealing cover; a round buckle in fixed connection with the first binding belt is arranged on the inner end of the first binding belt; two springs in fixed connection with the round buckle are arranged inside the round buckle; an iron sheet is arranged at the other end of each spring, and the iron sheets and the springs are connected fixedly; and a second binding belt with a semisphere at the outer end thereof is arranged on one side of the base. By fitting the sealing cover and the base, cramming the semisphere into the round buckle, pushing the iron sheets by the springs to fix the semisphere and fitting a hook surface of a hook and loop fastener with a loop surface of the hook and loop fastener, dual fixation is further realized and good fixity is achieved.

The catheter fixator comprises a bottom rod, anti-skid suction feet attached to the ground are fixed to the bottom end of the bottom rod, a horizontal limiting seat is fixed to the top end of the bottom rod, a rotating seat is rotationally connected to the interior of the limiting seat, and a mounting box is fixed to the upper surface of the rotating seat; the device comprises a mounting box, a stabilizing mechanism for fixing a guide pipe is arranged on the mounting box, two symmetrical side rods are vertically fixed to the upper surface of the mounting box, a top plate is fixed to the outer sides of the side rods, and an auxiliary mechanism for heating the guide pipe is arranged on the top plate. According to the catheter fixator for the gastrointestinal surgery department, first stabilizing assemblies in the stabilizing mechanisms are used for clamping the two sides of a catheter, clamping pieces can be limited after clamping, the situation that the stabilizing effect is affected due to the fact that a clamp moves after the catheter is stressed is avoided, and in order to further improve the stabilizing effect on the catheter, second stabilizing assemblies are used for fixing the catheter; the air bag expands after being inflated to be attached to the catheter again, so that the friction force between the air bag and the catheter is increased.

The invention provides a bearing protection paper pad for transmission shaft production, relates to the technical field of machining auxiliary supplies, and solves the problems that multiple fixing structures cannot be fixed together during winding, a winding fixing structure cannot be organically combined with a liquid blocking structure and an anti-skid structure, and the interception of oil stains and the rolling prevention of small parts cannot be implemented. The bearing protection paper pad for transmission shaft production comprises a top pad; and a bottom pad is adhered to the bottom end surface of the top pad. Protrusions are welded to the bottom end surface of the bottom pad in a rectangular array form, and are wavy structures; gaps are formed in each protrusion in a rectangulararray form; and the gaps formed in the rectangular array form jointly form a force unloading structure when the protrusions are rolled, so that on one hand, the wavy-structured protrusions can improvethe anti-skid capacity of the bottom pad in multiple directions, and on the other hand, when the device is rolled, the tensioning force of the protrusions can be eliminated through the notches, so that the bounce-off probability of the device after rolling is further reduced.