19results about How to "Increase the cross section" patented technology

The application discloses a full-wrapping concrete truss structure and a construction method thereof, and belongs to the technical field of building structures. The full-wrapping concrete truss structure comprises a steel pipe truss assembly arranged between a plurality of steel plates, a wrapping assembly arranged outside the steel pipe truss assembly, and a concrete layer arranged outside the wrapping assembly. The construction method comprises the following steps: S1, preparing a top chord, a bottom chord, a vertical rod and a horizontal rod, wrapping the rods with a reinforcing mesh and welding to obtain a steel pipe truss shell; S2, arranging a diagonal web member assembly inside the shell and arranging a connecting mesh outside the shell to form a steel pipe truss monomer; S3, bolt connecting a plurality of monomers and bolt connecting the steel plates and the monomers at edges to form a steel pipe truss structure; and S4, vibrating the steel pipe truss structure after concrete partition pouring to obtain the full-wrapping concrete truss structure. The application can realize full wrapping of the steel pipe, ensure that the concrete layer is tightly bonded with the steel pipe, and improve the stability and safety of the structure.

The invention belongs to the technical field of sensor manufacturing, and particularly relates to a photoelectric sensor manufacturing method which comprises the following steps: 1) forming a mounting through hole and a light outlet hole in a transmitting end shell; 2) arranging a light source seat coaxially matched with the mounting through hole; 3) fixing the light source seat in the mounting through hole by using glue; 4) arranging a light inlet hole and a wire hole on the receiving end shell; (5) fixedly adhering the CMOS sensor to the center of the front surface of the fixed plate; (6) two glue injection holes are formed in the receiving end shell, and gaps are preset between the glue injection holes and the wire holes; 7) arranging a CMOS sensor and a circuit board near the wire hole in the receiving end shell; in the manufacturing process, the light emitted by the light source can be always parallel to the axis of the light outlet hole of the transmitting end shell during assembly by a worker, and the glue cannot be dripped into a sensing area on the CMOS sensor in the glue dripping process by the worker.

The invention discloses a simple high-temperature gas cooled reactor cooling device, and belongs to the technical field of nuclear power cooling. According to the simple high-temperature gas cooled reactor cooling device, the heat pipe technology is adopted for simplifying the structure, safety and economical efficiency are improved, heat exchange between helium and supplied water is achieved through the heat pipe heat exchange pipes, heat is transferred to the heat release end after being absorbed by the heat absorption end of the heat pipe, heat transfer is achieved, the heat pipe is vertically arranged, short in length and small in thermal stress, the two ends freely stretch out and draw back, and the thermal stress problem is avoided; detection equipment is easy to reach, in-service inspection is facilitated, the heat pipe isolates a primary helium side and a secondary water supply / steam side, safety accidents caused by heat pipe breakage are prevented, extra flow distribution is not needed, the equipment safety level is reduced, cost is reduced, continuous pollution discharge is achieved, heat transfer pipe corrosion is prevented, no height difference exists between a reactor and a heat pipe heat exchanger, construction is simplified, and cost is reduced.

The embodiment of the utility model relates to the technical field of motor control, in particular to a three-phase conducting ring device, a motor stator and a motor. The first conducting ring is provided with a first power supply input connecting piece connected with an input power supply and two first wire connecting pieces; the second conducting ring is provided with a second power supply input connecting piece connected with the input power supply and two second wire connecting pieces; the third conducting ring is provided with a third power supply input connecting piece connected with the input power supply and two third wire connecting pieces; the first insulating sheet is stacked between the first conducting ring and the second conducting ring; and the second insulating sheet is laminated between the second conductive ring and the third conductive ring. The three-phase conducting ring device is adopted to increase the rated current output by the motor, so that the output power of the motor is increased.

The utility model belongs to the technical field of laser processing, and relates to a laser cutting machine tool. The laser cutting machine tool comprises a tool body and a dust extraction system, the tool body comprises an inner supporting plate, an outer supporting plate and a bottom plate, the outer supporting plate is fixed to the bottom plate, reinforcing ribs are arranged between the inner supporting plate and the outer supporting plate, the inner supporting plate and the outer supporting plate are fixedly connected with the reinforcing ribs respectively, and the dust extraction system is installed on the tool body and comprises a dust extraction pipeline. A part of the dust suction pipeline is embedded into the bed body, the top face of the dust suction pipeline is fixedly connected with the inner supporting plate, one side face of the dust suction pipeline is fixedly connected with the reinforcing ribs, and the side face, away from the reinforcing ribs, of the dust suction pipeline is provided with a suction opening and protrudes out of the inner supporting plate. According to the technical scheme provided by the invention, the laser cutting machine tool can have higher dust extraction efficiency.

The present invention relates to an injection valve (10), particularly a fuel injector (12), the injection valve having: a valve body (14) in which a valve closing member (30) is reciprocally arranged; a sealing seat (32) configured between the valve body (14) and the valve closing member (30) for releasing or blocking a passage for a medium under pressure in the direction toward at least one outlet opening (44; 44a to 44c), wherein the at least one outlet opening (44; 44a to 44c) has an orifice axis (50; 50a to 50c), the orifice axis preferably intersecting the longitudinal axis (16) of the valve closing member (30), wherein the valve body (14) or a nozzle tip element (22) connected to the valve body (14) has an inner contour (36), the at least one outlet opening (44; 44a to 44c) being configured in the region of the inner contour.

The utility model belongs to the technical field of energy-saving plates of building structures, and particularly relates to an integrated wall with an on-site pouring polyurethane sandwich heat preservation structure. Comprising an outer wallboard body and an inner wallboard body, a heat preservation core material is poured into a cavity between the inner wallboard body and the outer wallboard body, the outer wallboard body is formed by mutually inserting a plurality of concrete outer protection plates, the inner wallboard body is formed by mutually inserting a plurality of concrete inner protection plates, and a plurality of pouring holes used for pouring the heat preservation core material are formed in the inner wallboard body. The multiple pouring holes are distributed in the whole inner wall plate, and after the heat preservation core material is poured and the pouring holes are blocked, the surface layer is painted on the surface of the inner protection plate to cover the pouring holes. The wall body is good in overall strength, high in safety, good in waterproof and heat insulation effect, short in construction period and easy to construct.

The utility model relates to a mold for injection molding of a product, which comprises a front mold core, a rear mold core and an injection molding runner, and the rear mold core is in butt joint with the front mold core to form an injection molding cavity between the rear mold core and the front mold core; the injection molding runner is communicated with the injection molding cavity, a cavity sprue formed by connecting the injection molding runner and the injection molding cavity is located on the ground side of the injection molding cavity, and the mold is further provided with a first exhaust hole communicated with the injection molding cavity. The cavity sprue is located on the ground side of the mold, glue is fed from the ground side and then enters the injection molding cavity, melt is gradually stacked layer by layer upwards, air in the injection molding cavity can be effectively exhausted, and bubbles are not prone to occurring after a product is formed. Ground side glue feeding is adopted, the periphery of the cavity pouring gate is filled with melt at the beginning, the melt is tightly attached to the surface of the injection molding cavity, after the melt around the cavity pouring gate is cooled and formed, CD grains are not prone to being formed when the melt is continuously injected, and the quality problems that the appearance face is rough, wrinkles or the CD grains are obvious are effectively solved.

The invention provides a high-stability metro station enclosure structure and a construction method thereof, and belongs to the technical field of metro station enclosure structures, the high-stability metro station enclosure structure structurally comprises a deeply-buried anti-seepage shear wall, an enclosure base platform is poured on the top surface of the deeply-buried anti-seepage shear wall, and an enclosure shear wall is vertically poured on the right side of the top surface of the enclosure base platform; a plurality of anti-outward-pushing edges are longitudinally poured on the left side face of the enclosure base station at intervals, tension longitudinal edges are longitudinally poured on the outer sides between the anti-outward-pushing edges, and a plurality of H-shaped steel beams are deeply buried at the lower ends of the tension longitudinal edges at intervals. In addition, as the bottom of the abutment generally does not have a lateral water seepage prevention function, transverse water seepage of the bottom surface of the abutment is caused.

The invention relates to an interbody fusion cage which is used for being placed between two vertebral bodies arranged at intervals in the first direction and comprises a fusion cage body abutting face, a fusion cage main body abutting face and a fusion cage main body abutting face, the bone grafting hole penetrates through the fusion cage body in the first direction, the hole wall of the bone grafting hole comprises a plurality of convex areas and a plurality of concave areas, the bone grafting hole is provided with a datum plane, the convex areas protrude out of the datum plane, and the concave areas are concave in the datum plane; the sum of the volume of a first space defined by all the convex areas and the datum plane is larger than the sum of the volume of a second space defined by all the concave areas and the datum plane. According to the interbody fusion cage, the larger contact area between the interbody fusion cage and the vertebral body and the larger bone grafting hole volume can be considered.

The invention relates to a working cylinder, in which the cylinder has a coupling section with a coupling ring and a locking body for coupling a closure part to a cylinder tube end section, the cylinder tube has a circumferential inner annular groove at the end section of the cylinder tube and the closure part is axially pushed into the end section of the cylinder tube and has an axially distal outer annular groove which is open on one side, the inner annular groove and the outer annular groove forming an annular groove space in which a coupling ring is arranged and which is radially surrounded by the inner annular groove, the coupling ring is formed by a plurality of coupling ring segments in a segmented manner by means of the separating cutouts, the coupling ring segments are arranged abutting against each other at the separating cutouts, and the separating cutouts of the at least one piston ring segment are formed parallel to each other or open in the concentric direction, the closure part is axially fixed in a one-sided form-fitting manner in the distal direction by the coupling ring, and wherein the locking body is arranged axially distally on the closure part and has a circumferential annular surface which forms a pressure contact with the coupling ring and fixes the coupling ring in the annular groove space in a form-fitting manner, the locking body axially fixes the closure part in a form-fitting manner on one side in the proximal direction by means of pressure contact with the coupling ring.

The utility model discloses a high-magnification overcurrent row and a battery module. The battery module comprises a mounting frame, the mounting frame comprises two side plates and two end plates, and a mounting space is defined by the two side plates and the two end plates; the plurality of battery cells are uniformly arranged in the mounting space; and the high-magnification overcurrent row is connected with the plurality of battery cells in a welding manner. The high-magnification overflowing row comprises an integrated component, wherein the integrated component comprises a main body part and a connecting part; the connecting part is located at the end of the integrated component; the connecting part is narrower than the main body part; the metal sheets are stacked on the connecting part, and the connecting part and the metal sheets are made of different materials. As the width of the connecting part is smaller than that of the main body part, the cross section of the connecting part can be increased by stacking the metal sheets at the connecting part, so that the requirement of high-magnification overcurrent is met.

The present invention discloses a shuttle-shaped deformable spring coil, a shuttle-shaped deformable spring coil, the spring coil comprises a central axis metal wire, a first eccentric metal wire is connected to the outside of the central axis metal wire, a plurality of sliders are connected to the first eccentric metal wire in sequence, and a microcatheter is connected to the end of the first eccentric metal wire, the slider is slidably connected to the surface of the central axis metal wire, and a second eccentric metal wire is arranged between two adjacent sliders; the present invention increases the cross-section of the whole by arranging two wound elastic metal wires, and on this basis proposes a biological coating and a transverse metal wire for expanding the throttling area, and a metal wire body that can be expanded at a single point, which can increase the use area of ​​the metal wire without affecting the application, has a high dense filling rate, and has good safety.

The utility model discloses a water distribution device and a dial key shower head. The dial key shower head comprises a shell. The first water inlet and the first water outlet are communicated with the first water distribution cavity, the first water distribution cavity is provided with a first inner wall, the second inner wall is provided with a buffer groove, and the first water inlet faces the buffer groove so as to increase the distance between the first water inlet and the first inner wall; therefore, kinetic energy generated when water entering the first water distribution cavity through the first water inlet makes contact with the first inner wall is reduced, and noise generated when water flow impacts the first inner wall is reduced. Therefore, compared with the prior art, the flow speed of the water flow entering the first water distribution cavity does not need to be reduced, and only the kinetic energy generated when the water flow makes contact with the first inner wall is reduced, so that when the water distribution device is used for the dial key shower head, when the water inlet channel of the dial key shower head is communicated with the first water inlet, the water flow can flow into the first water distribution cavity; noise generated when the dial key shower head is used can be reduced, and meanwhile the flow speed of water sprayed out of the shower head cannot be affected.

The present invention relates to the technical field of tree cutting and baling, and specifically discloses a felling and baling device for forest tending, including a gathering and baling mechanism, a traction mechanism and a cutting mechanism; the gathering and baling mechanism includes a first support seat, and two groups of symmetrical clamping frames are respectively hinged on the top of the first support seat; the two groups of clamping frames are used to clamp and fix the trees; the traction mechanism includes a second support seat, and the second support seat is arranged on one side of the adjacent first support seat, and the top of the second support seat is fixedly connected to a first drive motor, and the output shaft of the first drive motor is connected to a drive disk, and a traction rope is wound around the drive disk, and the end of the traction rope away from the drive disk is fixedly connected to a clamping disk for fixing the tree. The purpose of the present invention is to provide a felling and baling device for forest tending to solve the technical problem of low baling efficiency when facing trees with longer and thicker trunks.

The invention relates to a valve assembly (1) for a gas tank (2), comprising a valve block (3) having a bore (4) into which a controllable shut-off valve (5) and a pressure-controlled, springless check valve (6) are integrated, the check valve (6) having a valve element (7) which can be axially displaced between two end positions in the bore (4), the invention relates to a valve element (7) which is disc-shaped and is penetrated by at least one eccentrically arranged flow-through opening (8) which is closed in a first end position of the valve element (7) by a valve seat (9) and which is open in a second end position. The invention further relates to a gas tank (2) having a valve assembly (1) according to the invention.

This invention provides an atomizer and an electronic atomizing device. The atomizing device includes an atomizer comprising an oil cup and an atomizing component. The atomizing component is installed at the bottom of the oil cup and forms a liquid storage chamber with the oil cup. The atomizing component includes a support and a flat oil guide body and a sheet-shaped heating element vertically or inclinedly disposed inside the support. The oil guide body has opposing liquid absorption and atomization surfaces, and the heating element is disposed on the atomization surface of the oil guide body. An air outlet channel is formed within the oil cup. The atomizing component has an atomization chamber located on one side of the atomization surface and a connecting channel connecting the atomization chamber and the air outlet channel. The wall of the connecting channel is recessed away from the central axis of the atomizer to form a clearance cavity. The clearance cavity formed by this design can increase the cross-section of the connecting channel, saving material, thereby allowing the overall thickness of the atomizer to be thinner while ensuring smooth airflow.

The utility model provides a damping handrail, including top handrail, a plurality of middle handrails and a plurality of angle steel stand column, top handrail and angle steel stand column top vertical arrangement connection, the plurality of middle handrails are arranged at the lower part of top handrail at interval and are connected with angle steel stand column, the angle steel stand column is connected with the angle steel stand column, and the angle steel stand column is connected with the angle steel stand column. The angle steel stand columns comprise two end angle steel stand columns and a plurality of middle angle steel stand columns, the middle angle steel stand columns are arranged between the two end angle steel stand columns at intervals, the upper portions of side plates, connected with the top handrail, of the middle angle steel stand columns are isosceles trapezoids, and the small bottom ends of the isosceles trapezoids are the top end faces of the side plates. The top handrail is fixedly connected with the top end face of the side plate. The vibration reduction handrail adopts the angle steel stand columns, the cross section is large, stress can be effectively decomposed, the anti-vibration capacity is enhanced, the overall arrangement is very clean and tidy after installation, and troubles caused by follow-up vibration do not need to be worried about.

The utility model belongs to the technical field of pavement drainage, and particularly discloses a sediment filtering device for a drainage channel of a gravel factory, which comprises a drainage channel, a sediment filtering tank is connected onto the drainage channel, and the sediment filtering tank is divided into an access transition section, a middle section and an access transition section; the middle section is wider than the drainage channel and is smoothly connected with an outlet and an inlet of the drainage channel through the access transition section and the outlet transition section respectively, a bottom plate of the precipitation filter tank is concave downwards, a filter cage is mounted on the bottom plate, a filter screen is arranged at the bottom of the filter cage, a grid is arranged at the outlet end of the filter cage, and a trapezoidal weir is arranged in the drainage channel behind the grid. After rainwater or production wastewater enters the precipitation filter tank through the drainage channel, pollution particles are precipitated in the filter cage arranged in the precipitation filter tank, and floating objects are intercepted in the filter cage by the grating, so that the clogging risk of structures such as a downstream pipeline, an inspection well and a water pool is reduced, and meanwhile, the accumulation of precipitates in the initial rainwater collection pool and the wastewater collection pool is reduced; and the pressure of wastewater treatment is relieved.