36 results about "Square face" patented technology

A polygon mirror drive motor according to the present invention comprises a stator and a rotor having a hexahedron-shaped polygon mirror and a rotation drive shaft. The polygon mirror in one preferred mode is comprised of two square faces that are parallel with each other and orthogonal to said rotation drive shaft, the two square faces having each a center hole in which said rotation drive shaft is inserted, and four mirror facets that are parallel with said rotation drive shaft. In the polygon mirror, a value of D / L is preferably in a range of from 0.37 to 0.41 where D is a diameter of said center hole and L is an edge length of said two square faces.

The invention relates to a laser mirror assembly. The laser mirror assembly is convenient in adjustment and detection and can realize online detection and debugging. The laser mirror assembly comprises a triangle-shaped and hollow seat body, two adjacent square faces of the seat body are respectively provided with large light holes, the back of the seat body is provided with a mounting hole, the laser mirror assembly also comprises an adjusting assembly which is coaxially and adjustably connected with the mounting hole and a mounting assembly which is connected with the adjusting assembly in a dismountable way; and a lens is fixedly connected in the mounting assembly. In the invention, the adjusting assembly and the mounting assembly are arranged, and the two assemblies are in splittable connecting structures, thus mounting can be directly carried out, the assembly can be polished and polishing test can be carried out only by separating the mounting assembly from the adjusting assembly when the lens is required to be dismounted to be polished during the debugging, replacing and maintenance processes. In the polishing test process, the adjusting assembly is adjusted. After positioning is finished, the mounting assembly provided with a lens is connected, thus the position and angle of a reflected beam mirror surface are not changed after a new lens is mounted and a light path can be directly put into use without adjusting after the new lens is replaced.

An integrated insulin storage treatment trolley comprises a cabinet type trolley (1), wherein a plurality of lockable drawers (8, 9 and 10) are arranged in the front of the trolley, a needle removal frame (5) is fixed on a table board (13) of the trolley and comprises a square face plate (14) and four support legs (15), the face plate is fixed with the table board of the trolley through the four support legs, a hole (16) is formed in the center of the face plate, a caliper (17) is fixed on the face plate, and a jaw of the caliper is located above the hole in the center of the face plate. The integrated insulin storage treatment trolley has the advantages that insulin pens can be stored in the drawers and are locked when not used, so that safety is guaranteed; needles can be removed by the caliper on the needle removal frame after injection of insulin, fall into a sharp tool box below the needle removal frame and can be prevented from stabbing an operator.

The invention discloses a current sensor framework applicable to square face-to-face plugging magnetic cores. One framework is designed into an 'L' shape to enable a coil to be wound in a non face-to-face plugging part and at the air gap side, which greatly increases the application range of square face-to-face plugging magnetic cores. U-shaped grooves are machined in the two ends of a square frame of a first framework to reinforce a magnetic core, and the horizontal part of the frame body is machined into a ladder shape and is in butt joint with the upper side walls of the U-shaped grooves. Therefore, the coverage area of the frame body to the magnetic core is extended, the short-circuit risk of the coil is reduced, and the reliability, consistency and anti-jamming capability of finished induction coils are improved.

The invention discloses distribution box constant temperature and humidity integrated temperature control equipment. The equipment comprises a device body, a refrigerating system, a heating system, adehumidifying system, a humidifying system and a controller. The device body is of a square structure. Four cabinet doors are arranged on one side of a square face and mounted on the device body in ahinged mode. Handles are arranged on the cabinet doors correspondingly. Control buttons and a display screen are arranged on one cabinet door above. Four cavities corresponding to the four cabinet doors are formed in the device body and are internally provided with the refrigerating system, the heating system, the dehumidifying system and the humidifying system correspondingly. An air inlet is formed in the upper portion of the device body and comprises a refrigerating air inlet, a heating air inlet, a dehumidifying air inlet and a humidifying air inlet. The refrigerating air inlet, the heating air inlet, the dehumidifying air inlet and the humidifying air inlet communicate with the refrigerating system, the heating system, the dehumidifying system and the humidifying system correspondingly. A controller is provided with a temperature sensor and a humidity sensor which are used for detecting environmental changes.

The invention relates to an ultra-long combined square drill rod and machining methods thereof. The ultra-long combined square drill rod of 27 m is combined through a non-standard square drill rod of13.625 m and a non-standard square drill rod of 13.5 m. The machining methods comprise through hole drilling after blank heat treatment, cylindrical turning, turning of inner and outer threads of thesquare drill rods at the upper and lower ends, screwing of the square drill rods at the upper and lower ends, datum plane milling and the like. During using by a user on a well, only double-shoulder ZYNC46 threads of the two square drill rods need to be in butt joint, the same torque value of 22460 foot-pounds is applied for screwing, the milled square faces of the two square drill rods are flush,and then the whole ultra-long combined square drill rod with the length being 27 m is combined. The drilling depth of downward drilling at a time can reach 27 m, the drilling depth is increased by twice or more, the drilling efficiency is improved greatly, and the technical problems that the length of downward drilling at a time is limited due to limitation that the total length of an API standard square drill rod is 12.19 m is solved.

A fitting for a poured concrete pool wall comprising a tubular stem with one or more grooves extending therethrough for connecting the fitting to a wall tie used with a pool wall form assembly such that the fitting may be secured on the wall tie during pouring of the pool wall. The fitting spans the gap between inner and outer forms. The fitting may include a square face plate mounting flange with upper and lower edges that are oriented horizontally through the coupling of the wall tie in the fitting grooves. A square face plate may be registered with and then secured to the mounting flange such that the upper and lower edges of the face plate also extend horizontally. The fitting forms a conduit through the pool wall for connection to a water return system or to serve as a niche for securing a pool light therein.

The invention provides an embedded-type commercial air-conditioner indoor unit. The embedded-type commercial air-conditioner indoor unit comprises an enclosure body, a draught fan assembly, a heat exchanger and four auxiliary electric heaters. The enclosure body comprises a bottom plate, a square face plate and four side plates. A return air inlet is formed in the center of the square face plate,and four air outlets are formed around the return air inlet in the square face plate. The draught fan assembly is located inside the enclosure body. The heat exchanger is located inside the enclosurebody and on the outer circumferential side of the draught fan assembly. The heat exchanger is provided with a first heat exchange part, a second heat exchange part, a third heat exchange part and a fourth heat exchange part which are bent along the square face plate. The four auxiliary electric heaters are located between the first heat exchange part of the heat exchanger and the draught fan assembly, between the second heat exchange part of the heat exchanger and the draught fan assembly, between the third heat exchange part of the heat exchanger and the draught fan assembly and between the fourth heat exchange part of the heat exchanger and the draught fan assembly correspondingly. The four auxiliary electric heaters are fixedly installed on the bottom plate and the heat exchanger and refer to PTC electric heaters. By means of the embedded-type commercial air-conditioner indoor unit, the influence on the air outlet effect of the air outlets by the auxiliary electric heaters can be reduced; and in addition, the air outlet temperatures of the air outlets can be made more uniform due to the position design of the four auxiliary electric heaters.

The invention relates to a laser mirror assembly. The laser mirror assembly is convenient in adjustment and detection and can realize online detection and debugging. The laser mirror assembly comprises a triangle-shaped and hollow seat body, two adjacent square faces of the seat body are respectively provided with large light holes, the back of the seat body is provided with a mounting hole, the laser mirror assembly also comprises an adjusting assembly which is coaxially and adjustably connected with the mounting hole and a mounting assembly which is connected with the adjusting assembly in a dismountable way; and a lens is fixedly connected in the mounting assembly. In the invention, the adjusting assembly and the mounting assembly are arranged, and the two assemblies are in splittable connecting structures, thus mounting can be directly carried out, the assembly can be polished and polishing test can be carried out only by separating the mounting assembly from the adjusting assembly when the lens is required to be dismounted to be polished during the debugging, replacing and maintenance processes. In the polishing test process, the adjusting assembly is adjusted. After positioning is finished, the mounting assembly provided with a lens is connected, thus the position and angle of a reflected beam mirror surface are not changed after a new lens is mounted and a light path can be directly put into use without adjusting after the new lens is replaced.

The invention provides a free forging process for large cross forged pieces. The process includes the specific steps that first, steel ingots are forced into eight-square-face forged blanks, and the eight side faces of each eight-square-face forged blank are the first side face, the second side face, the third side face, the fourth side face, the fifth side face, the sixth side face, the seventh side face and the eighth side face in sequence; second, two anvil blocks are used for forging and pressing the eight-square-face forged blanks, each anvil block comprises three working faces which are connected in sequence to be arranged in the shape of ')' as a whole, every two working faces located on the two sides are perpendicular to each other, the two anvil blocks are used for forging and pressing the first side faces and the fifth side faces of the eight-square-face forged blanks respectively so that the first side faces and the fifth side faces can be concave downwards to form notches shaped like ')', the forged pieces penetrate through the notches shaped like ')' in the thickness direction, the two anvil blocks are used for forging and pressing the third side faces and the seventh side faces of the eight-square-face forged blanks respectively so that the third side faces and the seventh side faces can be concave downwards to form notches shaped like ')', and the forged pieces penetrate through the notches shaped like ')' in the thickness direction; third, the forged pieces are subjected to finishing so that forging can be completed.

The invention discloses a preparation method of a high heat conductive and hight temperature resistant corrugated ceramic-based heat exchanger chip. The method comprises the following steps of: first, impregnating a ceramic fiber paper in a sizing agent; carrying out hot-press forming on the ceramic fiber paper by using a corrugated paper machine so as to obtain a single-face corrugated paper; bonding the single-face corrugated paper with the flat-plate ceramic fiber paper impregnated by the sizing agent so as to obtain a double-face corrugated paper; cutting the double-face corrugated paper into square shapes with same sizes; and then overlapping the squares with each other along the square face according to a corrugated paper passage of 90 degrees; bonding the squares with each other so as to obtain the corrugated ceramic-based heat exchanger chip; curing, bonding and sintering the corrugated ceramic-based heat exchanger chip; naturally cooling the corrugated ceramic-based heat exchanger chip to room temperature; impregnating the chip into a suspension consisting of silica gel and a high heat conductive inorganic filler; impregnating, depositing and taking out the chip; drying the chip after blowing the liquid; and drying the chip so as to obtain the high heat conductive and hight temperature resistant corrugated ceramic-based heat exchanger chip. According to the invention, by using the overlapped honeycomb structure, the heat exchanging area of the heat exchanger unit volume is increased, no inference is caused between the heat exchanging passages so that clean heat exchanging airflow is obtained to get the characteristics of heat exchanging continuity, compact structure and the like.

A series of multi-scale measuring devices for the friction angle of square rock structure surfaces, including a frame, a test platform, and a fixed assembly for the lower plate of a square rock structure surface. It is rotatably set on the frame, and the end of the rotating shaft is linked with the rotating handle. The upper surface of the rotating table is provided with a sample positioning line and a central positioning point. The positioning point is the center point of the square rock structure surface, and the positioning point is the plane coordinate. It is the origin, and two rows of bolt holes are distributed along each diagonal of the square rock structure surface, and the adjacent bolt holes of each row of bolt holes are arranged at equal intervals; Fix the plate, install a vertical angle plate and a plumb line on the turntable, and hang the plumb line at the center of the vertical angle plate. And a method for measuring the friction angle of a series of multi-scale square rock structure surfaces. The invention can fix the structural surface of the lower plate, is easy to control, and has high precision of test results.