14results about How to "Highly curved" patented technology

The embodiment of the invention relates to the photovoltaic field, and provides a back contact photovoltaic module, which comprises a battery piece body, the back surface of which is provided with first and second fine grids which are alternately arranged along a first direction, and first and second main grids which are alternately arranged along a second direction; a plurality of bonding pads, wherein a single bonding pad is located at the disconnected part of the first fine grid and connected with the second main grid or located at the disconnected part of the second fine grid and connected with the first main grid; a plurality of first insulating strips extending along a second direction, wherein at least two first insulating strips form a first insulating group corresponding to a bonding pad; at least two first insulating strips in a single first insulating group are respectively positioned on two opposite sides of the bonding pad along the first direction, any first insulating strip comprises a communication part, and the communication part covers a partial region of the main grid and end parts of two branches of one fine grid disconnected by the main grid; at least one first insulating strip comprises a protruding part protruding towards the bonding pad so as to cover a partial area of the fine grid close to the bonding pad, and at least improvement of the structural stability of the back contact photovoltaic module is facilitated.

The utility model relates to the technical field of axially split pumps, in particular to an axially split pump impeller with offset blades and an axially split pump. The axially split pump impeller with the offset blades comprises a front cover plate, a hub, a plurality of long blades and a plurality of short blades, the hub is arranged in the front cover plate, and the long blades and the short blades are arranged between the hub and the front cover plate; the multiple long blades are evenly arranged around the axis of the impeller, and the short blades are arranged between every two adjacent long blades. Projections of one end, far away from the axis of the impeller, of each long blade and one end, far away from the axis of the impeller, of each short blade in the axial direction of the impeller are distributed on the circumference of the same circle; each short blade is provided with a pressure face and a suction face which are opposite. According to the axially split pump impeller with the offset blades, the flow field in the blade channels can be improved, the pressure gradient of an outlet of the impeller can be greatly reduced, the wake flow area of the outlet of the impeller is reduced, and smooth transition of the speed and pressure from the wake flow area to a jet flow area is achieved.

The present invention discloses a curtain wall keel assembly welding device, which specifically relates to the technical field of curtain wall structure processing, including a base, a positioning unit, a welding unit and a heating device are arranged on the base, the positioning unit includes a positioning seat, a clamp assembly is arranged on the positioning seat, and the clamp assembly is arranged in two groups, the welding unit includes a welding gun, and a pressure unit is also arranged on the base, the pressure unit is located between two adjacent positioning units, and the pressure unit includes a pressure head assembly, and the pressure head assembly is located above the main rod. The present invention uses the downward pressure of the pressure head assembly to bend the material of the main rod between two adjacent positioning units, and the thermal deformation of the material of the main rod itself when it is heated and expanded is stretched, thereby avoiding the problem of displacement at the welding point of the main rod, and also avoiding the problem of compressive stress of the material caused by the inability of the material to expand and release, thereby ensuring the welding quality of the equipment and improving the welding accuracy of the product.

The present invention discloses a snake bone joint, an active bending section and an endoscope, and relates to the technical field of medical devices. The snake bone joint of the present invention comprises a snake bone body, lugs are provided at both ends of the snake bone body, and openings are provided on the lugs, the openings are strip-shaped holes, the openings are used to install rivets, and there is a movable gap between the rivets and the openings; a traction rope installation part is also provided on the snake bone body, the traction rope installation part is used to install the traction rope, and the traction rope located between two adjacent snake bone bodies is located on the outside of the abutment point of the two adjacent snake bone bodies. The snake bone joint of the present invention, when two adjacent snake bone joints abut against each other, can still apply force to the traction rope and further separate the two adjacent snake bone joints, so that the maximum bending degree of the two adjacent snake bone joints can be increased without increasing the gap between the two adjacent snake bone joints.

The invention discloses a variable flow rate spraying device, comprising a nozzle and a flow guide tube, wherein the flow guide tube comprises an inner flow guide tube and an outer flow guide tube, the inner flow guide tube is arranged in the outer flow guide tube, a plurality of semicircular spray ports are arranged in the circumferential direction of the front end of the nozzle, the spray ports obliquely penetrate the nozzle and form an oblique groove in the nozzle, a flow regulating device comprises a push rod bin, a push rod and a piston, the push rod bin is fixed at the right end of the interior of the flow guide tube, one end of the push rod is connected to the push rod bin, and the other end is connected to the piston, the piston comprises a front section piston and a rear section piston which are fixedly connected, the outer cylindrical surface of the front section piston is combined with the oblique groove to form a water flow channel, the rear section piston is fitted with the inner wall of the flow guide tube, and a piston oblique surface is formed at the connection between the front section piston and the rear section piston; the invention can flexibly adjust the cross-sectional area of ​​the water flow channel by using a special nozzle and a piston in combination, thereby adjusting the spray flow rate and spray distance of water.

The present invention relates to the technical field of intervertebral fusion devices, and in particular to an intervertebral fusion device. An intervertebral fusion device, comprising a main body and a frame structure; the main body is made of a polymer solution and mineralized collagen; wherein the polymer is biocompatible; the frame structure comprises a plurality of support layers and a plurality of support columns, different support layers are parallel to each other along their thickness direction and there is a gap between two adjacent support layers, the support columns are perpendicular to the support layers, and each of the support columns is fixed to a plurality of support layers; the support layer is provided with a plurality of through holes along its thickness direction, and the main body is filled in the through holes and the gaps. An embodiment of the present invention provides an intervertebral fusion device, which can obtain an intervertebral fusion device with excellent fusion effect and excellent mechanical strength.

The invention relates to the technical field of monitoring devices, in particular to a surge protection device on-line monitoring device which comprises a connecting base, a plurality of lightning protection shells are inserted into the inner side of the connecting base, piezoresistors are arranged on the inner sides of the lightning protection shells, scales are carved on one side of each lightning protection shell, partition plates are fixedly installed on the inner sides of the lightning protection shells, and the partition plates are fixedly installed on the inner sides of the lightning protection shells. A monitoring mechanism is arranged on the side, close to the thermal expansion plate, of the partition plate and comprises an indicating plate, and a push-out mechanism is arranged on one side of the thermal expansion plate. Through cooperation of the monitoring mechanism and the scales, after the piezoresistor is aged, the heat dissipated by the piezoresistor is increased, and the heat absorbed by the thermal expansion plate is increased, so that the bending degree of the thermal expansion plate is gradually increased, and the rising height of an indication plate in the monitoring mechanism is gradually increased; a worker can master the aging degree of the piezoresistor through the corresponding position of the indicator board.

This application discloses an optical cable lightning protection box, including a box body and a curved conduit located inside the box body. The curved conduit extends in a bent direction along the optical cable inlet to the optical cable outlet of the box body. The portion of the optical cable's reinforcing core extending into the box body includes two reinforcing core segments, one of which is located between the optical cable inlet and the end of the curved conduit facing the optical cable inlet, and the other reinforcing core segment is located between the end of the curved conduit facing the optical cable outlet and the optical cable outlet. The optical fiber bundle tube of the optical cable passes through the curved conduit. The inner diameter of the curved conduit at the bend is smaller than the inner diameter at other locations of the curved conduit, and the radius of curvature at the bend is not less than 4 cm. Reinforcing core fixing components are provided at the corresponding positions of the reinforcing core segments inside the box body, and the reinforcing core fixing component near the optical cable inlet is grounded. The optical cable lightning protection box provided by this application can improve the lightning protection effect and effectively protect the equipment in the computer room.

The invention discloses a glass bending and forming device. The glass bending and forming device comprises an extended opening component, a rear linkage pushing component, a connecting and supporting component and a transfer auxiliary component. The invention belongs to the field of glass forming, and particularly relates to a glass bending forming device. Through mutual cooperation of the extended opening component and the rear linkage pushing component on the connecting supporting component, the inclination angle of a connecting long rod is changed, a sliding piece slides in a sliding limiting piece, the distance between triangular pressing blocks connected with a fixedly-connected long shaft is adjusted, operation by operators is facilitated, and meanwhile the working efficiency is improved. According to actual requirements, the position of the rear linkage pushing component on the circular-truncated-cone-shaped guide block can be rapidly adjusted so as to adjust the distance between the triangular pressing blocks, so that the glass bending forming angle can be adjusted, operation is convenient, high efficiency and rapidness are achieved, the cooling or dismounting and mounting time of a mold is saved, the working efficiency is improved, and the production cost is reduced. And the working difficulty of workers is reduced.

The utility model belongs to cigarette equipment technical field discloses a ROFA conveying trolley track cleaning device and ROFA conveying trolley. ROFA conveying trolley includes ROFA conveying trolley body and ROFA conveying trolley track cleaning device. ROFA conveying trolley track cleaning device includes first connecting plate, second connecting plate, tow rope, brush and counterweight. First connecting plate is connected in ROFA conveying trolley body. Brush is connected in second connecting plate, and counterweight position is adjustably connected in second connecting plate, and the position of counterweight is adjusted, and the pressure of brush to track can be changed. Second connecting plate is rotatably connected in first connecting plate, and under the action of gravity, first connecting plate rotates downwardly due to the action of counterweight, makes brush contact with track, thereby can clean track. The length of tow rope is adjusted to limit the angle of second connecting plate relative to first connecting plate rotation.

The invention discloses an arc adjusting mechanism and a display screen box, the arc adjusting mechanism comprises a hinge assembly and a limiting assembly, the hinge assembly comprises a plurality of hinge modules hinged in sequence, the hinge module at one end of the hinge assembly is connected with one lateral frame, and the hinge module at the other end of the hinge assembly is connected with the other lateral frame; each hinge module is used for installing a display module; the two ends of the limiting assembly are connected with the lateral frames correspondingly, and the limiting assembly is configured to be capable of being adjusted in a telescopic mode so as to control the distance between the two lateral frames. In the rotating adjusting process of the hinge assembly, a worker telescopically adjusts the length of the limiting assembly, so that the distance between the two lateral frames is adjusted, correspondingly, the distance between the two ends of the hinge assembly is effectively controlled, and therefore the hinge assembly is matched with the limiting assembly, and the worker can conveniently control the curved surface radian of the display screen unit.

The utility model relates to an arc-shaped steel plate cold rolling device which comprises a support, a feeding conveying mechanism is arranged at one end of the support, a plurality of forming mechanisms are arranged on the support, each forming mechanism comprises an upper forming roller and a lower forming roller, and the two ends of the upper forming roller and the two ends of the lower forming roller are rotatably installed on the support. An arc-shaped forming convex surface is arranged on the circumferential surface of the upper forming roller, an arc-shaped forming concave surface is arranged on the circumferential surface of the lower forming roller, and a transmission gap is formed between the forming convex surface and the forming concave surface; in the conveying direction of the feeding conveying mechanism, the radian of the forming convex face and the radian of the forming concave face of the forming mechanism are gradually increased, and the axial length of the upper forming roller and the axial length of the lower forming roller are gradually reduced. The arc-shaped steel plate rolling device is suitable for rolling arc-shaped steel plates with large lengths and small widths.

The invention provides a double glass-filament copper-based alloy wrapped wire; comprising a conductor and a wrapping layer arranged as an outer layer of the copper wire; the wrapping layer comprises an insulating layer, an anti-cracking layer and a dense layer; the insulating layer comprises: an insulating film wrapping layer and an insulating varnish layer, the insulating film wrapping layer is arranged between the conductor and the anti-cracking layer, the insulating varnish layer is arranged between the anti-cracking layer and the dense layer, the glass filament wrapping angle in the anti-cracking layer is arranged between 45° and 60°, the glass filament wrapping angle in the dense layer is arranged to be less than 5°, and the glass filament wrapping angle in the dense layer is arranged between 45° and 60°; a preparation method of the double glass-filament copper-based alloy wrapped wire, comprising the following steps: S1 unwinding; S2 straightening and cleaning the conductor; S3 wrapping with an insulating film; S4 wrapping with glass filaments of the anti-cracking layer; S5 sintering; S6 impregnating the wrapped wire with insulating varnish; S7 wrapping with glass filaments of the dense layer; S8 cooling; and S9 winding.

The utility model is applicable to the technical field of correction processing, and provides curved aluminum veneer processing correction equipment, which comprises a workbench, two groups of curved aluminum veneer processing correction equipment, a plurality of curved aluminum veneer processing correction equipment, a plurality of curved aluminum veneer processing correction equipment and a plurality of curved aluminum veneer processing correction equipment, the lateral supporting assemblies are used for supporting the two sides of the curved aluminum veneer, and the two sets of lateral supporting assemblies are arranged in the two sets of grooves respectively; the lateral supporting assembly is arranged on the workbench, the correcting mechanism comprises a second correcting roller, a vertical plate and a first correcting roller, the second correcting roller is installed on the workbench through a first lifting assembly, and the vertical plate is installed on the workbench in a sliding mode through a second lifting assembly. The problems that after the curved aluminum veneer is machined, quality inspection is mostly conducted manually, unqualified curved aluminum veneers are manually corrected, efficiency is low, the correction effect is poor, and the machining quality is seriously affected are solved.