25results about How to "Reduce friction area" patented technology

The invention discloses a suspension type conveying line device, and relates to the technical field of suspension type conveying lines, the suspension type conveying line device comprises a rotary swing structure, and the rotary swing structure comprises a fixing sleeve with one end fixedly connected to a fixing assembly and a first transmission shaft rotationally connected to the fixing sleeve; the second bevel gear is fixedly connected to the end, away from the fixing sleeve, of the first transmission shaft; the third bevel gear is fixedly connected to the other end of the transmission shaft; the rotating assembly is connected to the surface of the third bevel gear in a meshed mode; the swing assembly is movably connected to the rotating assembly; the swing assembly is movably connected with and penetrates through the supporting ring, and one end of the swing shaft is movably connected to the swing assembly. The friction area generated by frequent change of contact points is reduced, so that scratches or abrasion on the surface of an object are effectively avoided, and the integrity and the use value of the object are protected.

The invention discloses a dynamically sealed rotary constant-pressure filling device which comprises a constant-pressure tank, a first friction seat is detachably connected to the bottom of the constant-pressure tank, a filling mechanism capable of rotating is arranged below the first friction seat, and a second friction seat extending into the first friction seat is arranged on the filling mechanism. The first friction seat and the second friction seat are respectively provided with a first conical surface and a second conical surface, the second conical surface is in linear contact with the first conical surface, the distance between the first conical surface and the second conical surface is gradually increased downwards from the connecting position, a plurality of positioning rods are arranged on the constant-pressure tank in a sliding manner, and a spring is arranged on the constant-pressure tank; the spring is used for applying downward pressure to the first conical surface, a liquid outlet of the constant-pressure tank is communicated with the second friction seat through the first friction seat, and the hardness of the first friction seat is smaller than that of the second friction seat. Compared with the prior art, the problem that a liquid storage tank of an existing filling machine cannot conduct constant-pressure filling is solved, the productivity and the filling quantity precision of the rotary filling machine are improved, and no residual tail liquid is left.

The utility model discloses a PS plate cutting device capable of improving cutting quality, which comprises a PS plate cutting device body, the PS plate cutting device body comprises a concentric-square-shaped support and a lower cutter fixedly connected to the inner wall of the bottom of the concentric-square-shaped support, and an upper cutter is arranged on the rear upper portion of the lower cutter in a matched mode. An electric push rod with the extending end fixedly connected with the top of the upper cutter is fixedly installed at the top of the concentric-square-shaped support. By arranging a series of structures, PS plates can be conveniently punched and cut, the friction area between the upper cutter and the lower cutter can be reduced during punching and cutting through the inclined face arranged on the upper cutter, the abrasion phenomenon of the upper cutter and the lower cutter is reduced, the utilization rate of the cutters is increased, the service life of the cutters is prolonged, and the cutting effect of the cutters is improved. And moreover, the cutting parts of the upper cutter and the lower cutter can be integrally, automatically and quickly blown, cleaned and removed scraps after cutting, scraps and aluminum scraps can be effectively and quickly cleaned, the phenomenon that the cutting quality is influenced by scraps hung on the cutting parts is prevented, and the cutting quality is further improved.

The application discloses a liquid metal bearing for an X-ray tube and the X-ray tube, relates to the technical field of X-ray tubes, and solves the technical problems of short service life and poor heat dissipation effect of the bearing. The liquid metal supporting bearing comprises a bearing sleeve, a mandrel, liquid metal and a microporous structure; the bearing sleeve is sleeved outside the mandrel, and a gap is arranged between the bearing sleeve and the mandrel; the liquid metal is filled in the gap; the microporous structure is arranged on the inner surfaces opposite to each other of the bearing sleeve and the mandrel and / or the outer surfaces opposite to each other of the mandrel and the bearing sleeve, the microporous structure is formed by a plurality of micropores arranged in an array, and the microporous structure has a protruding direction consistent with the flowing direction of the liquid metal. The liquid metal distribution is optimized through the micropores and optional microslit structures between the bearing sleeve and the mandrel, the friction coefficient is reduced, the heat dissipation performance is enhanced, and the service life and the heat dissipation effect of the bearing can be remarkably improved.

The cylindrical roller bearing retainer comprises an inner retainer body, outer retainer bodies are arranged on the upper surface and the lower surface of the inner retainer body, a plurality of bolts are arranged on the faces, away from the inner retainer body, of the outer retainer bodies, and a plurality of first protruding blocks and a plurality of second protruding blocks are fixedly connected to the faces, opposite to the inner retainer body, of the outer retainer bodies respectively. The bolt penetrates through the first protruding block and is in threaded connection with the second protruding block, arc-shaped grooves are formed in the left surface and the right surface of the first protruding block, storage boxes are arranged in the left surface and the right surface of each arc-shaped groove, arc edges are arranged at the left end and the right end of each arc-shaped groove, and an oil outlet is formed in the concave face of each arc-shaped groove. Through the structure, dust and impurities on the surface of the roller are simply cleaned and stored while lubrication is provided, the structure is simple, the maintenance cost is low, the practicability is high, normal operation of the roller is ensured, and the service life is prolonged.

The utility model relates to the technical field of mattress processing, in particular to a double-end overlock device for mattress processing, which comprises an overlock machine body, a support frame is fixedly mounted on the overlock machine body, an abutting mechanism and a vertical rod are mounted on the support frame, a winding mechanism is rotatably arranged on the vertical rod and comprises a turntable and a ball, and the ball is rotatably arranged on the vertical rod. A motor is fixedly installed on the vertical rod, the output end of the motor is fixedly connected with a rotating shaft through a coupler, a clamping rod is fixedly connected to the rotating shaft, a clamping groove is formed in the clamping rod, the rotating disc is installed on the clamping rod in a clamped mode, a screw is fixedly connected to the clamping rod, a fixing block is in threaded connection with the screw, and a moving mechanism is fixed to the bottom end of the vertical rod. And when the fixed block is rotated to be separated from the screw rod on the clamping rod, the rotating disc can be detached from the clamping rod, and then the wound rotating disc can be conveniently detached.

The invention provides a driving device and an air conditioner with the same, the driving device comprises two driving structures which are used for being connected with the two ends of a door plate of the air conditioner respectively, and each driving structure comprises a mounting assembly, a loading sliding block and a transmission assembly; the installation assembly is arranged on the inner side of an air outlet of the air conditioner shell. The loading sliding block extends in the arc-shaped direction and is arranged on the mounting assembly in a reciprocating motion mode in the arc-shaped direction, the end of the door plate is used for being connected with the loading sliding block, a plurality of rolling wheels are rotatably arranged on the side portion of the loading sliding block at intervals, and the peripheral faces of the rolling wheels are used for making contact with the surface of the mounting assembly; the transmission assembly is arranged on the mounting assembly and connected with the load-carrying sliding block so as to drive the load-carrying sliding block to reciprocate in the arc-shaped direction through the transmission assembly to drive the door plate to move. The problems that in the prior art, due to the fact that a traditional roller structure for driving an air conditioner door plate to move is low in flexibility, jamming and abnormal sound are prone to occurring in the running process are solved.

The invention relates to the technical field of corrugated board processing, in particular to a die cutting device for corrugated board production, which comprises two conveyor belts capable of getting close to each other along the horizontal direction, the surfaces of the two conveyor belts getting close to each other are vertical surfaces, and each conveyor belt is provided with a plurality of support rods; the supporting rods are evenly wound on the circumferential faces of the corresponding conveying belts, the distance between every two adjacent supporting rods on each conveying belt is larger than the thickness of a paperboard, and each supporting rod penetrates through the corresponding conveying belt and is in sliding connection with the conveying belt. The supporting rods on the faces, close to each other, of the two conveying belts are in one-to-one correspondence, and the two corresponding supporting rods are located on the same horizontal plane and can support paperboards. According to the paperboard conveying device, the conveying belts and the supporting rods are arranged in a matched mode, a gap is formed between every two adjacent paperboards which move to the position between the conveying belts and are located on the supporting rods, when the two conveying belts get close to each other to push the paperboards between the two conveying belts to move, no friction exists between every two adjacent paperboards, and the friction loss of the paperboards is reduced.

The invention relates to a drive axle assembly structure of a wet brake system of a 5-12T forklift, and relates to the technical field of wet brake drive axles. Comprising an axle housing, a brake and a hub, and the brake adopts a wet brake to brake the hub; a brake gear ring is fixed to the side, close to the wet brake, of the hub and conducts friction braking through a friction pair in the wet brake, and then the hub is braked. And a rotating shaft lip-shaped sealing ring and a box type oil seal are arranged between the brake gear ring and the wet brake for double sealing. The wet brake is adopted, the installation sealing mode of the wet brake is designed, and the defects of a shoe type or caliper disc brake in the prior art in the aspects of sealing performance, stability, heat dissipation effect and anti-pollution capacity are overcome; and the structure and the material process of the transmission gear pair of the main speed reducer are optimized, so that the size and the weight are reduced while the strength is ensured.

The utility model belongs to the technical field of open-end spinning, and particularly relates to a spool conveying and correcting mechanism which comprises a correcting plate and guide wheels, a yarn guide groove used for guiding yarn is formed in the correcting plate and extends in the length direction of the correcting plate, fixing frames used for being connected with the guide wheels are arranged on the two sides of the correcting plate, and the guide wheels are arranged on the fixing frames. The tops of the two fixing frames are oppositely arranged in the width direction of the correcting plate, the guide wheel is rotatably connected between the ends of the bottoms of the two fixing frames, baffle rings are arranged on the guide wheel, and the two baffle rings are oppositely distributed on the guide wheel to form a clamping groove. The yarn conveying path is corrected so as to expect to reduce the shaking amplitude of the yarn and reduce the friction area between the yarn and the yarn drum, the guide wheel is moved through the adjusting assembly so as to adjust the wrap angle of the yarn on the guide wheel, the purpose of adjusting the yarn tension is achieved, and the stability of yarn conveying is further improved.

The invention discloses a positive electrode material sagger and a manufacturing method based on a spray granulation technology, and belongs to the technical field of lithium battery sagger manufacturing. Firstly, potassium aluminum silicate, mullite, cordierite and aluminum titanate are subjected to dry mixing, and an organic binder and water are added to prepare a material A; then performing dry mixing on cordierite, talc, zirconium dioxide, kaolin and aluminum oxide, and adding an inorganic binder and water to prepare a material B; mixing the material A, the material B and water to obtain mixed slurry; carrying out spray drying granulation on the mixed slurry; carrying out dry pressing molding on the particle material to prepare a sagger green body; and sintering the sagger green body at high temperature to obtain the positive electrode material sagger. In the manufacturing process, abrasion to a mold is small, and the manufactured saggar is good in mechanical performance, low in porosity and long in cycle service life.

This invention discloses a dual-piezoelectric tube driven inertial motor and its control method, along with a scanning probe microscope, relating to the field of piezoelectric tube technology. The invention includes a base, a first piezoelectric tube, a second piezoelectric tube, and a U-shaped sliding body. The first and second piezoelectric tubes are parallel to each other along their axes, with one end fixed to the base and the other end free. The two parallel arms of the U-shaped sliding body, referred to as the left and right sliding rods, are elastically connected via a junction at the bottom of the U-shaped sliding body. The left and right sliding rods are coaxially inserted into the inner walls of the first and second piezoelectric tubes, respectively. This invention not only ensures that the two sliding rods consistently and stably abut against the inner cavities of their respective piezoelectric tubes, guaranteeing effective transmission of driving force, but also improves the overall mechanism's motion accuracy, load-bearing capacity, and anti-interference capability through the coordinated and alternating operation of the dual-drive piezoelectric tubes, laying a structural foundation for achieving high-precision and high-stability stepping motion.

The invention discloses a probe card carrier. The probe card carrier of the present invention may comprise: a lower housing; an upper case that covers the lower case; a placement module disposed in the lower case to place a probe card; and the card buffer unit is arranged on the placing module to elastically support the bottom surface and the periphery of the probe card.

The utility model relates to the technical field of tensioner, and disclose a kind of tensioner structure, it includes first frame, second frame, belt shaft spare and ratchet, the first frame and second frame are rotatably connected by belt shaft spare, first frame and second frame can rotate around belt shaft spare, second frame is located in the inside of first frame, the outer end both sides of belt shaft spare are all sleeved with ratchet, and the ratchet of both sides is located the outside both sides end of first frame respectively;The utility model, by the ratchet being arranged in the outside both sides end of first frame, so that only inside surface and first frame rub in the rotation process, and the design of convex ring is adopted, effectively reduce the friction area between ratchet and frame, reduce friction force, compared with traditional ratchet built-in, double-sided friction, the ratchet external mode of the device, single-sided friction stress, and the design of convex ring, reduce friction force, so that tensioner is more smooth in the process of loosening, improve use efficiency and operation experience.

The present application relates to the technical field of fascia guns, and relates to a fascia gun transmission device, including a housing, a punch assembly is provided at the end of the housing, the punch assembly includes a guide sleeve fixed to the end of the housing, a transmission base slidably connected in the guide sleeve, and a massage head provided on the transmission base, a driving structure connected to the transmission base is provided in the housing, and no less than two elastic wear-resistant rings for contacting the outer wall of the transmission base are provided axially on the inner wall of the guide sleeve. The present application has the following effects: the elastic wear-resistant ring will reduce the friction area between the two, reduce the possibility of damage, and the elastic wear-resistant ring can have a certain deformation ability, can offset part of the impact force, further reduce the possibility of component damage, and thus improve the overall service life.

The utility model provides a three-axis truss manipulator, and belongs to the technical field of truss manipulators. The truss manipulator solves the problems that an existing truss manipulator conducts guiding sliding through a sliding rail and a sliding block, the sliding rail and the sliding block make close contact, friction between the sliding rail and the sliding block is large, large noise can be generated, the working environment of operators is poor, and the noise greatly influences work of the operators. The three-axis truss manipulator comprises a supporting frame, an X-axis part is fixedly arranged on the supporting frame, a fixing plate is arranged on the X-axis part in a sliding mode, a Y-axis part is arranged on the fixing plate in a sliding mode, a fixing shell is fixedly arranged on the Y-axis part, a Z-axis part is arranged in the fixing shell in a sliding mode, and sliding rails are fixedly arranged on the X-axis part, the Y-axis part and the Z-axis part. The sliding block has the advantages that the contact area between the sliding block and the sliding rail is reduced, the friction area between the sliding block and the sliding rail is further reduced, and therefore the sliding noise between the sliding block and the sliding rail is reduced.

The utility model relates to a PE (Poly Ethylene) wrapping film guiding, conveying and tensioning adjusting frame, which is arranged on a PE wrapping film conveying frame and is characterized by comprising a connecting shaft, a tensioning cylinder body, a guide roller group and a driving module, the tensioning barrel is adjusted and driven by the driving module, the eccentric tensioning barrel can adjust the pressure applied to the PE wrapping film by the guide roller unit under the driving of the driving module, and the PE wrapping film is in a stable state in the conveying process and is not prone to breakage caused by instantaneous acting force. According to the guiding, conveying and tensioning adjusting frame for the PE wrapping film, an additional balance weight structure does not need to be installed, the tensioning force can be adjusted only by manually driving and rotating the tensioning barrel to enable the different guiding roller units on the outer contour of the tensioning barrel to make contact with the PE wrapping film, and operation is very convenient.

The utility model relates to the technical field of carbon dioxide purification, and discloses carbon dioxide purification equipment which comprises a reaction tank and a sealing cover, the upper surface of the sealing cover is fixedly connected with a rotating motor, and the upper surface of the sealing cover is provided with a feed port which is the same as the interior of the reaction tank. According to the carbon dioxide purification equipment, when the rotating motor is started, not only can the mixing rod and the stirring plate be driven to rotate, but also the mixing rod and the stirring plate can be synchronously driven to move up and down; further, the mixing effect of the mixing rod and the stirring plate on the reaction gas / liquid and the to-be-reacted liquid is enhanced, the mixing efficiency of the mixing rod and the stirring plate on the reaction of the reaction gas / liquid and the to-be-reacted liquid is improved, and the purification efficiency and quality of carbon dioxide are further improved.

This utility model provides a foldable stool, relating to the field of portable seating, and solves the technical problem of large bolt shearing forces during opening and closing of foldable stools, leading to damage. The foldable stool includes a webbing, a pivot fastener, and at least two stool leg frames that can pivot to switch between an unfolded and folded state. The two ends of the webbing are detachably fixed to the two stool leg frames. In the area where the stool leg frames pivot and contact each other, a protruding structure with a through hole is provided on the stool leg frame. The protruding structures on different stool leg frames abut against each other, and the pivot fastener passes through the through holes on the two protruding structures, thereby hinged the two stool leg frames. When the two stool leg frames pivot, only the protruding structures contact each other, while a gap is maintained between the main body parts of the stool leg frames. This reduces the contact area during pivoting, greatly reducing the friction area, improving shear resistance, and enhancing durability.

The invention relates to the field of tunnel inspection, in particular to a tunnel lifting robot anti-falling protection device which comprises fixed supports, fixed guide rails and liftable guide rails, the fixed supports are symmetrically arranged, and the liftable guide rails are detachably connected to the two ends of the fixed guide rails; the sliding guide rail slides up and down on the fixed bracket; the clamping assembly is located between the sliding guide rail and the fixing support and comprises a clamping piece and a stopping block, the stopping block is arranged at one end of the clamping piece, and a clamping hole is formed in the side edge of the fixing support; the anti-falling protection device comprises a first protection device and a second protection device, the first protection device and the second protection device are both connected with the sliding guide rail, the first protection device comprises a first fixing plate and a rail clamping piece located on one side of the first fixing plate, and the first fixing plate is fixedly connected with the rail clamping piece; the second protection device comprises a second fixing plate and a rolling bead located in the second fixing plate. The lifting device has the advantages that the lifting device can be effectively prevented from derailing and falling, and the operation safety of the lifting device is improved.

The invention relates to the technical field of brake systems, in particular to a transmission device for a vehicle brake system, which comprises a motor assembly, a gear reducer, a ball screw pair, a brake caliper body, a first brake friction block and a brake disc, the gear reducer comprises an input gear shaft, and the input gear shaft is in transmission connection with an output shaft of the motor assembly; the input gear shaft, the first-stage planetary gear transmission pair, the sun gear, the second-stage planetary gear transmission pair, the speed reducer output shaft and the ball screw pair are sequentially in transmission connection, a first friction pad is arranged at the end, facing the sun gear, of the input gear shaft, and a second friction pad is arranged at the end, coaxially facing the sun gear, of the speed reducer output shaft. The input gear shaft is separated from the sun gear, and the sun gear is separated from the speed reducer output shaft, so that impact in the operation process is avoided, and noise is reduced; and the friction area with the sun gear is reduced, and the friction coefficient is reduced, so that the friction loss is reduced, and the noise is further reduced.

The utility model discloses an anti-static shoe which comprises a rubber layer serving as the bottommost layer of a shoe sole and making direct contact with the ground. The rubber convex points are uniformly arranged at the bottom of the rubber layer, and the rubber convex points are used for reducing the friction area of the rubber layer; the conductive metal is arranged at the heel of the rubber layer, one end of the conductive metal is arranged in the rubber layer, and the other end slightly extends out of the rubber layer to be in contact with the ground; the adjusting belt is arranged on the surface of the rubber layer through fixing buckles fixedly arranged on the two sides of the rubber layer, and the length of the adjusting belt is fixed through adjusting buckles. By arranging the rubber layer and the adjusting belt, a user can wear the sole at the bottom of the shoe without taking off the shoe; through the arrangement of the conductive metal, static electricity generated in friction can be conducted to the ground; the arrangement of the rubber salient points can reduce the friction area between the rubber layer and the ground.

The utility model discloses a novel improved stomach tube, including upper section pipe, lower section pipe, thin pipe, outer tube, connecting pipe and guide wire, upper section pipe and lower section pipe are connected with thin pipe, thin pipe is flexible hose, and the pipe diameter is small and can expand and become big, the outer tube is sleeved on the outside of upper section pipe and can slide to the outside of thin pipe to limit its excessive expansion, one end of connecting pipe is connected with upper section pipe, and the other end can be connected with syringe, which is convenient for suction and nasal feeding, and the guide wire can be penetrated into connecting pipe, upper section pipe, thin pipe and lower section pipe, and is used for guiding insertion into digestive tract, the advantage is that the design of flexible soft thin pipe, when remaining, can reduce friction with laryngeal part, avoid causing laryngeal part damage, edema and influence respiratory tract patency.

The application discloses a composite buffer type low-damage brake performance enhancing device, which comprises a brake disc, a first brake assembly and a U-shaped block arranged on the brake disc, a blocking mechanism arranged on the U-shaped block, a driving mechanism arranged on the U-shaped block and a second brake assembly arranged on the driving mechanism, and the U-shaped block is inverted U-shaped; the second brake assembly comprises double-cylinder friction mechanisms and single-cylinder friction mechanisms which are simultaneously arranged on the output end of the driving mechanism, an E-shaped block is arranged on the double-cylinder friction mechanisms, and the lower middle part of the E-shaped block is slidably connected with the upper end of the single-cylinder friction mechanisms; the blocking mechanism is used for blocking the E-shaped block, so as to block the movement of the double-cylinder friction mechanisms and make the single-cylinder friction mechanisms be able to be compressed on both sides of the brake disc; air inlet mechanisms and air outlet mechanisms are arranged on the upper end of the E-shaped block, and a first air outlet groove for air outlet is arranged on the blocking mechanism. The application has the advantages of high-efficiency heat dissipation, adjustable composite brake mode, low abrasion and buffering and damping.

The starter comprises a starter body, a driving and controlling mechanism and a one-way clutch assembly, the driving and controlling mechanism is arranged on the starter body, the one-way clutch assembly comprises a driving component, a driven part and a plurality of rolling parts, the driving component is connected with the driven part, and the rolling parts are arranged on the driving component. The driving component is connected to the driving control mechanism in a controllable mode and can be controlled by the driving control mechanism to move on the driven part, the driven part can be driven by the driving component to rotate when the driving component moves to a preset distance, and a driving wheel is arranged at the end, away from the driving component, of the driven part. Each rolling piece is connected to the driving component in a rolling mode and can roll on the driven piece, and therefore the driving component can move on the driven piece in the mode that each rolling piece rolls when driving the driven piece to rotate.