133results about How to "Overall stability" patented technology

The invention relates to a vehicle frame with full load, wherein the whole vehicle, via front surround skeleton, back surround skeleton, left surround skeleton, right surround skeleton, top cover skeleton and bottom support, forms one integrated frame, to improve the fastness of frame. Via each node, upright post, longitudinal beam, incline support, horizontal bema, bended beam, or plates, the front and back of frame are through, the upper and lower are through, and the left and right are connected to form a closed force loop; therefore, the force can be distributed to everywhere of frame, to be functioned uniformly and avoid supporting on one point; and the structure is formed by rectangle steel tubes whose strength is 3-6 times of common vehicle with reduced weight. With said invention, the deformation of impacted vehicle is minimum to protect passengers.

In a lapping machine comprising a lapping plate and a conditioning carrier disposed thereon, the carrier being provided with bores for receiving conditioning grindstone segments, the lapping plate is polished and conditioned by cooperatively rotating the lapping plate and the carrier and feeding loose abrasive grains to the lapping plate. The conditioning grindstone segment of a shape of arcuated trapezoid having an included angle of 180°-90° is fitted in the carrier bore.

The invention discloses an integrated commutator detector and a detection method thereof and belongs to the technical field of commutator detection. The detector comprises a base, and a feeding mechanism, a conveying mechanism, a gauge detecting mechanism, an inner diameter detecting mechanism, an outer diameter detecting mechanism, a height detecting mechanism, an inter-chip high-voltage-resistant detecting mechanism, a chip shaft high-voltage-resistant detecting mechanism and a discharging mechanism, which are mounted on the base. The integrated commutator detector and the detection method thereof can simultaneously detect the inner diameters, the outer diameters, the heights, the inter-chip high-voltage resistance and the chip shaft high-voltage resistance of commutators, can automatically classify the detected commutators, and has the characteristics of high measurement precision, great stability, low failure rate and the like.

The invention discloses a fully-automatic bobbin sorter comprising a feeding part, a guiding part, a color extracting part, a bobbin dividing region, a bobbin stacking part and a basket replacing part which are sequentially connected, wherein the feeding part is a vertical lifting mechanism, one side of the lifting mechanism is provided with a bobbin box, and a conveyor belt of the lifting mechanism is provided with a lifting baffle; the top of the lifting mechanism is obliquely provided with a guide plate; a bobbin inlet is formed in the tail end of the guide plate and is connected with a color extracting box; the top of the color extracting box is provided with a camera, and the bottom of the color extracting box is connected with the bobbin dividing region divided into a plurality of branch channels; all the branch channels are connected with a guide pipe through a bobbin channel; the lower part of the guide pipe is connected with a bobbin basket located on a basket conveying belt; a rack is also provided with the basket replacing part. The fully-automatic bobbin sorter is small in occupied space, conveniently realizes the large and small end sorting of bobbins with the same specification and distinguishing of colors, and is capable of automatically arranging the sorted bobbins into the bobbin basket, realizing the automatic operation of the whole process and relieving the labor intensity of workers and high in work efficiency.

A cup attaching apparatus for attaching a cup, used during processing of an eye glass lens, to the lens, the apparatus includes: a placing portion onto which the lens is placed; a holding portion for detachably holding the cup; a supporting portion for supporting the holding portion; a moving mechanism for moving the supporting portion in an optical axis direction of the placed lens; and a pressure regulating mechanism for preventing a cup attaching force from exceeding a predetermined pressure.

The invention discloses an associated hierarchical data visualization method and application. Two kinds of associated hierarchical data sets with geographical distribution serve as data to be visualized, by arranging a map and introducing transition points in a radiation ring, data nodes in the two kinds of hierarchical data sets S1 and S2 are connected through a Bezier curve, visualization is carried out by drawing a rectangular heat map. The associated hierarchical data visualization method is applied to pesticide residue visualization analysis, an agricultural product kind and a pesticide kind which are associated with each other are set as two kinds of associated hierarchical data sets with geographical distribution, the geography heat map and the radiation ring are drawn to represent excessive pesticide agricultural products, the excessive pesticide type and pesticide toxicity distribution, and the Bezier curve and the matrix heat map are drawn. According to the invention, a multi-view and interaction method is employed to visualize associated hierarchical data, and data has smoothness, continuity and readability.

The invention relates to a rotary pulling type water tap which comprises a valve body (1) and a valve core (2), wherein the valve body (1) is provided with a water inlet (11) and a water outlet (12), and the valve core (2) is positioned at a joint of the water inlet (11) and the water outlet (12) in an internal cavity of the valve body (1). The rotary pulling type water tap is characterized in that a cam type rotary lifting mechanism (3) is connected to the valve core (2), the cam output end of the cam type rotary lifting mechanism (3) is fixedly connected with the valve core (2), the rotary input end of the cam type rotary lifting mechanism (3) is exposed out of the valve body (1), a sealing structure is arranged at the joint of the valve body (1) and the cam type rotary lifting mechanism (3), and a connection structure from a rotary motion to a linear motion is formed between the cam type rotary lifting mechanism (3) and the valve core (2). The invention reduces friction between the valve core and the valve body, prolongs the service life of a product greatly, also can bring large flow rate under a condition that the tap is at small water pressure simultaneously, and has wide adaptation range. The invention has the effects of stable pulling process, no water leakage and convenient operation.

A permanent magnet synchronous towing machine without gear wheel includes the stator, rotor and the brake equipment. The stator frame, the stator case and the shoring cover are cast as a whole. Arc type permanent magnets are affixed to the inner side of the rotor wall along the direction of circle. Shaft is mounted on the axle hole of the axle housing of the rotor. The iron cords are pressed to the outer side of the shorting cover along direction of the circle. The rotation coder is positioned on the back end of the shaft. The stretch type electromagnetic brake providing thrust in bi-directional is mounted between two brake arms on the base. The brake shoes with hinge jointed on the brake arms are fitted on the symmetrical two sides of the outer wall of the rotor. The towing wheel is fixed on the circular bead of the end part.

An electric shaver includes net-shaped outer blades; and inner blades sliding reciprocally over an inner side of the outer blades as detachably connected with driving units driven by a motor. Each of the inner blades includes a blade plate having an inversed-like-U shape seen from a longitudinal direction in parallel with a reciprocating sliding direction; and a blade holder having attaching portions to be attached to the blade plate in longitudinally defined end regions, wherein connection portions to be detachably connected with the driving units are provided at the blade holder in a longitudinally defined center region, and, when dissembling the blade holder from the driving units, anti-detach portions are provided to thereby prevent separation of the blade holder in the longitudinally defined center region from the blade plate in the longitudinally defined center region due to a tensile load between the connection portions and the driving units.

The invention relates to a high-efficiency production process capable of improving the surface accuracy of a cold-drawn seamless steel tube, comprising the following steps of: 1) conducting heat treatment: conveying the steel tube into a heat treatment furnace, performing heat treatment at a temperature being 800-1000 DEG C, then performing heat-insulating treatment, wherein the heat-insulating time is 1.5-2.5 times of the thickness of the tube wall of the steel tube, and the heat-insulating temperature is 500-700 DEG C; 2) chemically removing scale cinder: conducting air-cooling on the steel tube to be a normal temperature, then soaking the steel tube in a mixed solution of 15-20% of hydrochloric acid and a release agent for a half of an hour; 3) cleaning: cleaning with clear water; 4) neutralizing: soaking the steel tube into sodium hydroxide solution with a pH value being 10-14 for 0.5-1 hours; 5) conducting a rust prevention procedure: soaking the steel tube in an antirust agent for 3-5 minutes; and 6) fining and straightening: straightening by using an eleven-roll straightening machine, and conducting other steps. The high-efficiency production process disclosed by the invention is good in straightening effect, safe and convenient to use, energy-saving, high in energy utilization rate, and good in scale cinder removing effect.

The invention discloses a supporting device of a crib. Supporting legs used for supporting are arranged on a supporting frame, and gear racks are arranged on the supporting legs. Moving bases are arranged between the supporting frame and the supporting legs and fixedly connected with the supporting frame. The moving bases are provided with adjusting assemblies which are meshed with the gear racks and used for adjusting retracting and stretching of the supporting legs relative to the moving bases. Through control over the adjusting assemblies, retracting and stretching of the supporting legs can be adjusted in a stepless mode, so that the height of the crib is kept uniform with the height of an adult bed, and it effectively avoided that because the height of the crib and the height of the adult bed are not uniform, a child stumbles, and safety accidents are generated. In addition, first supporting rods are transverse rods and make contact with the ground directly in a supporting mode, and second supporting rods are inclined rods and arranged in an inclined mode. When the bearing weight of the supporting device shifts the gravity center, the second supporting rods which are arranged in the inclined mode can guarantee overall stability, improve using safety and avoid toppling; in this way, the supporting device has the advantages of being safe, reliable and convenient to operate.

The invention discloses a vegetation fiber composite earth and its process for preparing. The said composite earth is prepared by adopting the following materials according to a proportion by weight: 10-30 parts of fabric serum, 5-15 parts of plant ash or charcoal, 50-70 parts of soil, 0.8-1.2 parts of active calcium, 0.5-1 parts of water-loss reducer and 5-20 parts of water. The soil pore space of the composite earth obtained by this invention is filled with fabric serum, plant ash and moisture and the structure is more compact. The surface of the composite earth can produce shell because of the existence of the water, and the inside also contains water and fertilizer which is suitable for the growth of the seed, which can guarantee the growth of the vegetation and can prevent the dispersion of the rain, therefore, the invention has advantages that the thickness of the growth soil is proper, the water-retention effectiveness is good, and the product is of stable integrality, can prevent scouring and solarization, can reduce maintenance, and is no need of precipitation. The product can be used in vegetation greening on mountain rockslope, artificial slope and desert oralkali land.

The invention relates to grid packing and a packing structure. The grid packing comprises a plurality of grid plates which are arranged in parallel; each grid plate is provided with more than two through holes; a pipe spacer is arranged between every two grid plates; pull rods in a number corresponding to the number of the through holes alternately penetrate through the grid plates and the pipe spacers; both ends of each pull rod are provided with fastening pieces so that the grid plates and the pipe spacers are connected into a whole; each pull rod is a screw with threads at both ends; and each fastening piece is a nut which is in threaded connection with the screw. The packing structure applied to a packing tower comprises a plurality of layers of grid packing which is arranged vertically; the grid plates of the grid packing are perpendicular to the cross section of the packing tower, and two vertical adjacent layers of the grid packing are staggered and arranged at 45 degrees. The grid plates of the grid packing have small thickness, smooth surfaces, stable integrity, large specific surface area in use, strong anti-clogging capability, little resistance and long service life, thereby being practical, high-efficiency and energy-saving packing.

The method for preparing cement clinker by using chromium slag as mineralizer is mainly in the cement raw material the mineralizer chromium slag can be added, and the high-temp. calcination process is adopted to reduce hexavalent chromium into trivalent chromium, at the same time a catalytic stabilizer can be added in the clinker so as to obtain the invented cement clinker.

The invention discloses a method for continuously adding a catalyst for C5 petroleum resin production and a special device. The method comprises the following steps of: adding the catalyst from a packing barrel into a first tank, delivering the catalyst in the first tank to a second tank, and delivering the catalyst in the second tank to a reaction kettle; when the catalyst in the second tank is used up, opening an emptying valve of the second tank to release pressure, and pressing the catalyst in the first tank into the second tank by using N2; after the catalyst is pressed, closing the emptying valve on the top of the second tank, and raising the pressure by using the N2 till the pressure is greater than the pressure of the reaction kettle; and adjusting the velocity of a rotary valve by using a variable frequency motor to control the adding flow rate when the catalyst is added, so that the catalyst is continuously and stably added, wherein the flow rate is displayed by an automaticweighing system of the second tank. By the method for continuously adding the catalyst, the catalyst can be continuously added, the reaction of resin is stable and mild, and corrosion of equipment isrelieved.

The invention discloses a bionic winglet structure capable of changing streaming of a leading edge airfoil surface of a flapping-wing aircraft, which relates to the field of structures of aircraft wings. The structural characteristics, the movement mode and the aerodynamic performance of the flapping-wing aircraft completely imitating small wing feathers of birds are provided, so that the aerodynamics of the flapping-wing aircraft is effectively improved, and the stall delay effect is achieved by changing the flow around the leading edge airfoil surface; the bionic winglet structure capable of changing the streaming of the leading edge airfoil surface of the flapping-wing aircraft enables the aircraft to take off and land more steadily. The bionic winglet structure comprises a pair of winglets and a winglet control mechanism; the two winglets are symmetrically arranged along the aircraft body and synchronously rotate under the driving of the winglet control mechanism. The flapping-wing aircraft has good aerodynamic performance and streaming characteristic in the flight process, the stall delaying function can be achieved, and due to the special structural design, the weight increased by the mechanism and the rotational inertia increased by wings can be ignored.

The invention provides a sanitary towel, which comprises a main body and side wings, wherein the main body comprises a liquid-permeable top layer, a diversion layer, an absorption core and a liquid impermeable bottom layer; and an antibacterial chip is arranged between the liquid-permeable top layer and the absorption core, and comprises an upper isolating layer, a lower isolating layer and an antibacterial powder layer. Due to the adoption of the sanitary towel, bacteria can be resisted effectively when the sanitary towel is in use, the health of a user is protected, and potential safety hazard caused by direct contact of antibacterial powder with skin of the user and the use of a large amount of antibacterial powder is avoided simultaneously.

The invention discloses a two-row chain pre-pull and joint dismantling device, which comprises a pre-pull mechanism and a joint dismantling mechanism. A chain stacking plate is arranged between the pre-pull mechanism and the joint dismantling mechanism, the joint dismantling mechanism comprises a working table, a joint dismantling module is arranged on the working table, a chain engaging-in channel and a chain engaging-out channel are arranged at the two ends of the joint dismantling module correspondingly, a driving sprocket wheel is arranged at the chain engaging-in channel, the driving sprocket wheel is connected with a servo motor through a planetary reducer, and a laser marking machine is arranged on the position, on one side of the chain engaging-in channel, of the working table. Thetwo-row chain pre-pull and joint dismantling device has the advantages of realizing pre-pull and joint dismantling continuous processing of a double-row chain, high operation stability, long servicelife of the device, good quality of processed products and environmental protection.

The invention provides a lifting cabinet and a four-thread synchronous retraction device for the lifting cabinet, used for solving the problem that for the existing lifting cabinet, a plurality of winders are needed for rolling lifting ropes, so that the synchronism is low. The key points of the technical scheme are as follows: the lifting cabinet comprises a mounting plate, as well as a winding reel, a motor and guiding mechanisms which are mounted on the mounting plate, wherein the winding reel is fixedly connected with an output shaft of the motor, a winding groove is arranged in the winding reel, the winding groove comprises two winding sections which are connected, two fixing parts used for fixing lifting ropes are arranged in each winding section, the guiding mechanisms are in one-to-one correspondence with the winding sections, the two guide mechanisms guide the lifting ropes in the different winding sections to two opposite sides of the mounting plate, and the two lifting ropesin the same winding section are guided to the same side of the mounting plate. When the lifting ropes are rolled, the winding reel rotates under the output of the motor, the four lifting ropes are rolled synchronously, meanwhile, under the effect of the guiding mechanisms, the lifting ropes are guided to the two sides of the mounting plate and are in the drooping state, thus the synchronous retraction of the four lifting ropes is realized, and therefore, the operation is more stable when the lifting ropes on which heavy objects are hung are lifted.

The invention provides an electromagnetic grabbing device for picking up iron magnetic objects, and belongs to the field of mechanical devices. The electromagnetic grabbing device comprises a base, a cable, columnar electromagnets, blocking pieces and clamping pieces. A plurality of fixing through holes are formed in the base. The blocking pieces are arranged in the fixing through holes. Conical holes with diameters gradually decreased from top to bottom are formed in the blocking pieces. Conical surfaces with diameters gradually decreased from top to bottom are arranged on the outer surfaces of the clamping pieces. The clamping pieces are inserted in the conical holes. The clamping pieces and the blocking pieces are provided with central through holes. The columnar electromagnets are inserted in the central through holes. The cable, on one hand, is fixedly connected with the base, and on the other hand, is electrically connected with the columnar electromagnets. By means of the electromagnetic grabbing device, even when the upper surface of a falling object is of a non-planar structure, the bottoms of the columnar electromagnets can act on the upper surface of the falling object, the contact area between the columnar electromagnets and the falling object is large, and large magnetic attraction force can be provided after power-on; thus, falling objects complex in shape and large in mass can be picked up.

The invention discloses a hot press molding method of a palm mattress and a device. The method is characterized in that a plurality of layers of palm fiber sheets are hot-pressed simultaneously. The device comprises a base (1) and a top frame (2), wherein more than three layers of hot-press boards (5) used for hot-pressing and molding the palm fiber sheets are arranged between the base (1) and the top frame (2); a pressurization seat (8) which can pressurize the hot-press boards (5) is arranged above the hot-press boards (5), supported by the top frame (2) and controlled to move up and down through a lifting rail (3) and a hydraulic cylinder (6); at least one hot-pressing oil pipe which can convey hot oil into each layer of a hot-press board (5) is arranged on each layer of the hot-press board (5); and all the layers of the hot-press boards (5) are controlled to be separated or form press-fit through separation rods (4). According to the palm mattress and the device, batch production of the palm mattress can be realized, the production efficiency and the hot press molding quality of the palm mattress are improved, the hot pressing accuracy is higher, and the application range is wider.

The invention discloses a mechanical sealing device for a sanitary pump. The mechanical sealing device comprises a moving ring seat (5), a moving ring (6), a stationary ring seat (2) and a stationary ring (4), wherein the moving ring seat (5) is screwed with a rotary shaft, the moving ring (6) is closely fitted outside the moving ring seat (5) and is tightly pressed on an impeller, and the stationary ring (4) is arranged outside the rotary shaft. The end face of the stationary ring (4) is pressed and fitted on the end face of the moving ring (6), and a gap is formed between the inner hole wall of the stationary ring (4) and the rotary shaft. The mechanical sealing device is characterized by also comprising a twined wave spring (1). One end of the stationary ring seat (2) is circumferentially limited with a pump cover, and the other end of the stationary ring seat (2) is circumferentially limited with the stationary ring (4). One end of the wave spring (1) is abutted against the end face of the stationary ring (4), and the other end of the wave spring (1) is abutted against the step surface of the stationary ring seat (2). The stationary ring of the mechanical sealing device for the sanitary pump can axially automatically compensate under the effect of the spring so as to ensure that the end face of the stationary ring is always pressed and fitted onto the end face of the moving ring and prevent the whole mechanical sealing device from losing efficacy.

The invention discloses a wind-resistant advertising board capable of being automatically rolled. The wind-resistant advertising board comprises a base, a vertical column, an upper column tube, a lower column tube and advertising cloth, wherein the vertical column is provided with a sliding port used for lifting the upper column tube, one end of the advertising cloth is fixedly connected to the upper column tube, the other end of the advertising cloth is rolled into the lower column tube by a rolling mechanism; a user drives a series of devices to pull up the upper column tube in a hand-cranking mode, so that the advertising cloth is pulled out of the lower column tube and spread out; when wind force is too large, a wind measurement block on the vertical column is blown, a series of devices are linked, and the upper column tube slides downward due to the gravity and the action of the pulling force of the rolling mechanism rolling the advertising cloth, so that the advertising cloth isrolled into the lower column tube. The wind-resistant advertising board capable of being automatically rolled can roll the advertising cloth when the wind force is larger, the overall wind receiving area of the advertising board is reduced, the advertising board is prevented from being damaged or collapsing and hitting passing vehicles and pedestrians.

The invention relates to the technical field of conveying belts, and further discloses a belt conveyor capable of automatically regulating belt tension. The belt conveyor comprises a base, wherein high supporting rods and a low supporting rod are fixedly connected to the top of the base and are further located on two primary brackets; an auxiliary bracket is fixedly connected to the top of the base and is further located between two high supporting rods on the left side; the front face of the auxiliary bracket is provided with a sliding chute; the interior of the sliding chute is connected with a sliding block in a sliding manner; the bottom of the sliding block is rotationally connected with a clamping hook; a convex column is fixedly connected to the top of the base and is further located between the auxiliary bracket and the low supporting rod; the top of the convex column is connected with a sleeving column in an insertion manner; the left side of the sleeving column is provided with a tooth space; and the top of the convex column is connected with a spring in a sleeving manner. By the sliding between the sliding chute and the sliding block, the sliding block is downwards movedwhen a conveying belt is loose; the clamping hook is separated from the tooth space; the sleeving column is enabled to rise by the spring; the conveying belt is tightened; the sliding block is upwards moved; the clamping hook is completely locked with the tooth space; and the sleeving column is fixed.

The invention relates to a positioning mechanism of a photosensitive unit of a hand vibration preventing photography device. The photosensitive unit is provided with a positioning column of the photosensitive unit; the positioning mechanism of the photosensitive unit comprises a motor, two positioning plates, a cam and an elastic element, wherein the two positioning plates are rotatablely fixed on the same fixed point, and a fixed column of the photosensitive unit is positioned between the two positioning plates; the cam is driven by the motor, and two convex columns are arranged on the cam; in the rotational process of the cam, the two convex columns can be respectively abutted against the two positioning plates, and a distance between the two positioning plates is changed to clamp or release the positioning column of the photosensitive unit; and both ends of the elastic element are respectively connected with the two positioning plates for providing restoring force which is opposite to the direction of force applied by the cam to the positioning plates. The positioning mechanism of the photosensitive unit has simple structure and is relatively stable. A method of clamping in a horizontal direction is adopted to fix the photosensitive unit, and a condition that the photosensitive unit inclines due to stress can not occur.

An impeller for a turbine includes an impeller body formed by alternately stacking and fixing two or more types of disk blades, a base plate, and a rotating shaft. A plurality of pressed vane sections projecting from one surface are formed on the base plate of each disk blade, and recessed spaces are formed in the pressed vane sections, respectively. The projecting rear sections of the pressed vane sections are affixed to the other surface of the base plate of the adjacent disk blade, and disposed in the recessed spaces of the pressed vane sections of the adjacent disk blade in the mutually crossing direction. A part of a working gas is moved in the recessed spaces, and moved forward in the rotating direction over the projecting rear sections.