259results about How to "Increase the bearing surface" patented technology

A coupler knuckle casting having an enhanced bearing surface area and which is utilized in a railway freight car coupler. The coupler knuckle casting includes a tail section, and a hub section. The hub section has a pivot pinhole formed therein. Such pivot pinhole has generally straight cylindrical sidewalls. A front face section is connected to the hub section. Such front face section includes a nose section and a pulling face portion formed inwardly from such nose section. At such least a portion of such front face portion and such nose section includes an enhanced bearing surface area which includes a substantially flat portion disposed substantially in a vertical direction and which is substantially arcuate in a horizontal direction. The substantially flat portion extends for a predetermined distance in the vertical direction and for a predetermined length along the horizontal direction. There is the a transition section joining the tail section to the hub section. Such transition section includes a top metal section and a bottom metal section extending toward each other.

A megawatt-level semi-direct driving wind generator comprises a wind wheel, a distance changer, a main axle, a speed accelerating box, a coupler, a generator, a cabin chassis, a bias motor and a control system. The chassis is fixed with the bias motor and the generator, the accelerating box is fixed with the side wall of the chassis, the accelerating box is first-stage planet accelerating gear box, and the motor is low-speed permanent magnetic three-phase synchronous generator. The invention can stabilize the transmission of transmitter, reduce impact, and reduce sealing demand or the like, with adjustable installed height, simple structure, high strength and accurate angle control on distance change as 0.1 degree, to output constant power.

The invention relates to a cloth automatic edge aligning device of a sewing machine. The cloth automatic edge aligning device comprises a detecting mechanism and a regulating mechanism, wherein the detecting mechanism comprises a sensor assembly, a support frame of the sensing assembly is in an E shape and is arranged in a Y direction, three groups of sensors parting vertical arrangement are arranged on a PCB (printed circuit board) arranged at the middle layer, each sensor is a correlation type multipoint sensor, the pair of the upper and lower sensors arranged at the outer side of an E-shaped notch are primary positioning sensors, the two pairs of the upper and lower sensors arranged at the inner side of the E-shaped notch are precise positioning sensors, and the regulating mechanism is divided into an upper layer regulating mechanism and a lower layer regulating mechanism which are respectively used for regulating upper layer cloth and lower layer cloth. The cloth automatic edge aligning device of the sewing machine has the advantages that the edge aligning detection precision is high, the regulation precision is high, the structural design of the sensor assemblies is ingenious, the upper and lower layer cloth detecting efficiency is high, the edge aligning regulation resistance is small, the edge aligning regulating cloth contact area is large, the primary positioning sensors achieve the cloth pre-judgment effect, the cloth edge pressing incapability due to cloth monitoring incapability cannot occur even when the radian of a cloth piece is smaller, and the sewing quality is improved.

The invention discloses an intelligent medicine pushing and discharging device, a dispensing control system and a medicine management dispensing method. The intelligent medicine pushing and discharging device is used for an intelligentized dispensing control system, comprises a medicine slot capable of placing medicines and also comprises a pushing device for pushing medicines out of the medicine slot; when the medicines need to be discharged, the pushing device pushes the medicines towards the direction of a medicine outlet for discharging, and the moving distance of the pushing device is the distance, occupied in the medicine slot, of the medicines needing to be discharged; when the medicines do not need to be discharged, the pushing device does not form an enough thrust force to push the medicines out of the medicine slot. The intelligent medicine pushing and discharging device can be placed at a small angle or even a zero angle, the occupation space is smaller, the space utilization rate is greatly improved, the counting basis of medicine discharging is reliable, the medicine inventory information is in real time, real-time expiry date management of the medicines is realized, and the maintenance cost is low. Preferably, the pushing device comprises a motor and a pushing member; the middle of the medicine slot is hollowed to form a passage; the motor drives a pushing block on the pushing member to reciprocate and linearly move in the passage.

The invention discloses an intelligent medicine pushing and discharging plate turnover device, which is used for an intelligentized dispensing control system. The intelligent medicine pushing and discharging plate turnover device comprises a medicine slot capable of placing medicines; the middle of the medicine is hollowed to form a passage; the intelligent medicine pushing and discharging plate turnover device also comprises a pushing device for pushing medicines out of the medicine slot; when the medicines need to be discharged, the pushing device pushes the medicines towards the direction of a medicine outlet for discharging, and the moving distance of the pushing device is the distance, occupied in the medicine slot, of the medicines needing to be discharged; when the medicines do not need to be discharged, the pushing device does not form an enough thrust force to push the medicines out of the medicine slot; the pushing device comprises a motor, a turnover plate and a slider for pushing the turnover plate to linearly reciprocate and move along the passage; the turnover plate is movably connected with the slider; support plates are further arranged at two sides of the turnover plate and are placed at the edge of the passage; a containing chamber for containing the support plates is arranged at the bottom of the medicine adding port end of the medicine slot.

The present invention relates to a multi-path hydraulic reversing valve, which comprises a valve body, a turning bucket valve rod, a movable arm valve rod, a main safety valve, an overload valve, a turning bucket load-retaining one-way valve, a movable arm load-retaining one-way valve, an oil-supplementing valve, a turning bucket valve rod-positioning unit and a movable arm valve rod-positioning unit. The tail ends of the valve rods in the positioning units are provided with stepped holes, wherein, the deep holes are connected with the front ends of positioning blocks by threads, and the shallow holes serve as positioning holes to be tightly fitted with the middle cylindrical surfaces of the positioning blocks. The bodies of the turning bucket valve rod and the movable arm valve rod are provided with longitudinal throttling grooves and multiple annular compensating grooves, and the throttling groove is intersected with at least one annular compensating groove. Valve rod holes on the valve body, through which the valve rods pass, are stepped, wherein, the deep holes are fitted with the valve rods, and the shallow holes serve as positioning holes to be tightly fitted with the cylindrical surface of the flange part of a pressing plate. The inner wall of a lining is provided with three arc-shaped steel ball-positioning ring grooves. The present invention can reduce the operating force of the hydraulic valve, resolve the jamming problem of the hydraulic valve, reduce the abrasion of the related parts of the hydraulic valve and prolong the service life of the hydraulic valve, and the multi-path hydraulic reversing valve is characterized by simple structure and reliable operation.

The invention relates to a dual-purpose three-claw puller. The upper surface of a cylinder body of a hydraulic oil cylinder device is fixedly connected with a rotary pressurization device through a supporting frame, the lateral surface of the upper portion of the cylinder body is movably connected with a pulling claw device, the lower portion of the cylinder body is in threaded connection with a bearing assembly, and a claw hook rod of the pulling claw device is provided with a claw hook device. According to the dual-purpose three-claw puller, a rocking rod can be hinged to different positioning holes according to the tightness of a fastener, and therefore the stroke and speed of a pressurization rod when a wheel hub rotates by one circle are changed, and the force application effect is improved. The opening and closing angle of a puller hook claw can be accurately adjusted and fixed through the bearing assembly and will not change along with the change of the angle of a work space, and then the fastener can be detached vertically or horizontally. A claw hook seat and the fastener keep surface contact all the time through a limiting spring, the stress surface is increased, damage to the contact surfaces of the claw hook seat and the fastener caused by linear contact or point contact is avoided, the fastener on a shaft and a clutch assembly can be detached by replacing different ejection pins, and the dual-purpose three-claw puller is wide in application range.

The invention relates to a depressed center flat car. A middle beam, a side beam combination or a fully enclosed integral pattern is adopted by the vertical carrier beam of the existing depressed center flat car, cargoes are loaded uniformly in a carrying surface or two sides of a longitudinal central line of a car body, the curved beam of the carrier beam is concave-shaped, a transition angle of the curved part is mostly between 55 degree and 75 degree, and no slip devices and tool storage devices are arranged. The depressed center flat car invention comprises a concave-shaped chassis (3), wherein two end-tails of the concave-shaped chassis are connected with a car coupler damping device (1) and an end tilter (7), a hand brake device (2) is arranged on one end of the concave-shaped chassis, two ends of the lower part of the concave-shaped chassis are connected with a bogie (4), an air braking device (5) is arranged on the middle-lower part of the concave-shaped chassis, and the concave-shaped chassis is connected with a middle part storage device (6). The depressed center flat car is used for the railway transportation of special automobiles, such as shipping spare parts.

The invention relates to a connecting piece for installing an insulation board onto a wall by a dry hanging method. The connecting piece comprises a keel which is connected with the wall and a buckle piece which is connected with the insulation board, wherein an angular part of which two boards are crossed is formed on the keel and comprises one board which is parallel to the wall face; the board is positioned on the end part of the keel, which is farthest from the wall face; and an angular area which is in fit with and fixedly connected with the angular part on the keel is formed on the buckle piece. A stepped part is formed by an angular structure of the buckle piece and the keel in the scheme, therefore the installed insulation board is subjected to the support force of the stepped structure in all directions, the support structure has a large thrust surface and is symmetrical and stable, and the insulation board is subjected to the uniform and symmetrical support force in all directions. The connecting device has a simple structure and is convenient to process and use; the installed insulation board and connecting pieces are stressed stably and uniformly, have better stability, and can better resist acting force and corrosion from the outside; and durability is improved and heat insulation and decoration effects are correspondingly improved.

The invention discloses a beam-column semi-rigid connection structure based on a bamboo frame; the beam-column semi-rigid connection structure comprises a column and beams; the column includes a center connector, a first connection plate, a second connection plate, a plurality of first bamboo pieces and a plurality of first rings, wherein the center connector comprises a center steel pipe and a plurality of first fixing plates, and wherein one first fixing plate corresponds to one first bamboo piece, the back of the first fixing plate is fixed to the side of the center steel pipe, and the front of the first fixing plate is provided with an arc face mating with the side of the corresponding the first bamboo piece; the first bamboo pieces are embedded in the fronts of the front fixing plates, both the center connector and the first bamboo pieces are nested in the first rings, the first connection plate is arranged between the first rings and the first bamboo pieces, the end of the second connection plate is connected to the lateral side of the first connection plate, the first rings are passed through the lateral side of the second connection plate; a joint of the structure herein is friendly to raw bamboo, and the structure is long in service life and high in bearing capacity.

The invention belongs to a novel heat insulation paper cup. The novel heat insulation paper cup comprises an internal cup body and an external heat insulation layer. The heat insulation layer is made of an aerogel heat insulation material, and outward bent corners are formed on the bottom of the external heat insulation layer. The internal cup body and the external heat insulation layer are combined in a hot-pressing mode. The novel heat insulation paper cup has the advantages that due to the heat insulation layer outside the cup body, the external temperature is greatly lowered, and users can hold the cup conveniently without being scalded; the heat insulation layer has certain strength, the phenomenon that after being poured into the paper cup, hot water spills due to heat deformation of the paper cup can be avoided; the outward bent corners are arranged on the bottom of the heat insulation layer, so that the stressing surface of the bottom is increased, and the whole cup body is stable.

The invention discloses an expanded-base combination end pile bearing foundation. The expanded-base combination end pile bearing foundation comprises the two parts of a pile body and a pile base. The pile body is composed of a pile peripheral cement mixture simultaneously poured with the pile base and a prestressed centrifugal concrete pile embedded and fixed before setting of the mixture. The pile base is composed of a cement mixture which is in the shape of a circular truncated cone or a cylinder or a pumpkin (oval). According to the expanded-base combination end pile bearing foundation, the force bearing area of a supporting rocky layer is enlarged through the bottom expanded head, strength performance of the supporting layer is improved, damage of a driven tubular pile to the supporting layer is eradicated, and the problem that the supporting layer is softened with water is solved, so that the depth of the pile end, embedded into the supporting layer, of the tubular pile is increased, the pile end stress surface is increased, the bearing capacity of the whole pile is improved, and the utilization rate of the strength of the prestressed centrifugal concrete pile body is increased. Compared with end bearing piles directly driven into the supporting rocky layer through hammering construction, the expanded-base combination end pile bearing foundation causes small damage to the supporting layer, and is free of the soil squeezing effect, shake, lamp black and noise pollution and suitable for supporting layers of intense, intermediate and weak weathered mudstone and sandstone.

A compressive sprayer comprises a barrel and a barrel cover. A safety valve device is arranged on the barrel cover, a connecting ring, a mounting ring and a handle screw clamping mechanism are arranged in the barrel cover, a sealing device is reserved between the connecting ring and an opening of the barrel, the connecting ring is connected with the opening of the barrel in a threaded manner, themounting ring is connected with an air cylinder, an air filling handle is arranged on an air filling bar in the barrel cover, a piston mounted below the air filling bar is matched with the air cylinder, a water suction pipe is mounted in a water suction pipe connector mounted on the barrel body, the handle screw clamping mechanism comprises a guide pipe arranged below a sink which is arranged in the barrel cover, a reinforcing plate is arranged outside the sink and the guide pipe, a spiral clamping groove is arranged on a sink wall, a stopper bar arranged at the lower end of the air filling handle is matched with the spiral clamping groove, the safety valve device comprises a mount arranged on the barrel cover, an inclined slide, a smooth slide and a groove are arranged on the mount, a valve hole is reserved in the mount, a slider arranged below a valve bonnet is matched with the inclined slide, a valve stem below the valve bonnet is provided with a seal ring in contact with an upper opening of the valve hole, a spring is arranged outside the valve stem, a snap ring is mounted in a snap groove arranged on the lower portion of the valve stem, and the snap ring is clamped into the snap groove to contact with the spring.

The invention provides a trolley ventilator fixing structure which comprises rail slots arranged on a top plate or a side plate of the ventilator by integrated forming or combination and rail bars which can be mutually spliced with the rail slots and arranged at a hanging location. The rail slots have a proper depth and are arranged in parallel. The rail bars are strip bodies corresponding to the shapes of the rail slots. A front slot opening of the rail slot can be provided with a positioning point. The location corresponding to the bottom surface of the rail bar is provided with a buckling-fixing point. The top surface of the rail bar is provided with a horizontal folded surface towards the inside in an opposite shape and is provided with a plurality of discharge holes. The location corresponding to the bottom surface of the rail bar is provided with a perforation with an aperture a little larger than that of the discharge hole. The rail slot arranged on the top plate and the corresponding rail bar can be in a dovetail shape, a round shape or an elliptical shape. The rail slot arranged on the side plate and the corresponding rail bar can be in a dovetail shape, an internally concave shape, a rectangle, a round arc shape, a triangle, a round shape or an elliptical shape. Utilizing the trolley ventilator fixing structure of the invention can improve the fixing stability of the ventilator and lead the ventilator to be convenient to assemble as well as being beneficial to the exhaust of oil stain.

The invention relates to a suspension device of a semitrailer, belonging to the technical field of transportation. Suspension supports (2,4) of the suspension device are arranged in the middle parts of road springs (15,16) by support seats (9,12); dumb irons (8,11,6) are fixed above axles (7, 10 and 13); the front end of the front road spring (15) is arranged on the front dumb iron (8), and the rear end is inserted into the middle dumb iron (11); and the front end of the rear road spring (16) is arranged on the middle dumb iron (11) by a hinge pin (3), and the rear end is arranged on the rear dumb iron (6) by a hinge pin (5). The suspension device can not only effectively prevent spring breaking, shaft breaking and tyre burst of the semitrailer but also can avoid the tyre-rubbing phenomenon.

The invention relates to a self-locking drum-shaped blind rivet. The rivet comprises a rivet body and a rivet core in the rivet body, wherein a first inner hole and a second inner hole which are axially distributed along the rivet body are formed in the rivet body; the second inner hole is communicated with the first inner hole; the aperture of the second inner hole is less than that of the first inner hole; a locking step is formed at the junction of the second inner hole and the first inner hole; the rivet body is convexly provided with a rivet edge corresponding to the end part for forming the second inner hole; one end of the rivet core is convexly provided with a rivet head; one side of the rivet core corresponding to the rivet head is provided with a first cylinder and a second cylinder; one end of the second cylinder is connected with the rivet head, and the other end of the second cylinder is connected with the second cylinder through a locking slot; the rivet core gets out of the first inner hole and the second inner hole in the rivet body corresponding to the other end for arranging the rivet head; and the rivet head is contacted with the end of the rivet body. The rivet has the advantages of high strength, high rigidity, high vibration resistance, suitability for riveting of aeronautical materials, wide application range, safety and reliability.

The invention relates to a high-toughness ceramic thin plate and a preparation method thereof. The ceramic thin plate comprises a decorative layer, a blank layer and a coating layer which are compounded together from top to bottom. The lower part of the ceramic thin plate is covered with a reticular film layer, the reticular film layer is adhered to the bottom, consisting of continuous planes anddiscontinuous concave points, of the blank layer, and the reticular film layer and the bottom of the blank layer are tightly adhered together. The preparation method comprises the following steps: (1)pressing and forming blank powder according to the required size and thickness to obtain the blank layer; (2) drying the blank in a drying kiln at 130-160 DEG C for 90-180 minutes; (3) performing glaze spraying and ink jet processes on the dried blank layer to form the decorative layer in a production glaze line; (4) firing the brick blank with the formed decorative layer in a roller kiln to obtain a finished product, wherein the firing temperature is 1140-1180 DEG C, and the firing time is 80-150 minutes; (5) polishing and edging the burnt finished product; and (6) fixing the coating layer under the blank layer of the edged finished product.

A chair of a chair lift has a seat, a safety bar which extends transversely over the seat and can be pivoted from an open position into a closed position, and a footrest. The footrest is supported on the safety bar by way of a supporting bar. In the closed position of the safety bar, the supporting bar extends in the central region in front of the seat downwards from the safety bar to the footrest. The footrests form a plate-like support for the passengers' feet or sports equipment.

Composite body armor comprises a bullet absorbing layer, a protection layer, a buffering layer and an energy absorbing layer from exterior to interior. The bullet absorbing layer is used for absorbingbullets so as to avoid stray bullet generation, two carbon fiber layers and an aluminum foam layer are included, and the aluminum foam layer is sandwiched between the two carbon fiber layers. The buffering layer is used for converting point impacts into face impacts. The absorbing layer is used for absorbing deformation of the buffering layer. The composite body armor can effectively avoid straybullet generation and fighting personnel rib fracture danger caused by excessive impact force.

A flat seal having at least one metallic layer (1) is disclosed, wherein the at least one metallic layer at least partially comprises a profile (5) having an undulated structure (5a) in the cross-section on the side of the metallic layer. The profile (5) on the side opposite of the undulated structure (5a) has a contour (5b, 5c, 5d) in which rounded sections and those provided with edges alternate.