26results about How to "Control length" patented technology

The invention provides a lens group, an optical system and electronic equipment. The lens group comprises a first lens group, a second lens group and a third lens group, and the first lens group comprises a first lens to a fourth lens; the second lens group comprises fifth to eighth lenses; the third lens group includes ninth to thirteenth lenses. 0.86 < = f5 / T45 < = 4.55; 2.65 < = F910 / (CT9 + CT10) < = 3.52; f11 / F1213 is larger than-2.75 and smaller than-1.50, f5 is the effective focal length of the fifth lens, T45 is the air interval between the fourth lens and the fifth lens on the optical axis, F910 is the combined focal length of the ninth lens and the tenth lens, CT9 is the center thickness of the ninth lens, CT10 is the center thickness of the tenth lens, f11 is the effective focal length of the eleventh lens, and F1213 is the combined focal length of the twelfth lens and the thirteenth lens. The lens group can obtain a high-quality telephoto imaging effect.

The utility model provides a kind of combined wall charger with wire drawing reel, comprising: wall charger body and wire drawing reel;Magnetic element is fixedly installed in one side inside wire drawing reel, and one side inside wall charger body is fixedly installed with ferrous component, and ferrous component is used to connect with magnetic element to limit the combination between wall charger body and wire drawing reel.The utility model provides a kind of combined wall charger with wire drawing reel, by the storage mode that magnetic element adsorbs wire drawing reel on the surface of wall charger body, wire drawing reel can orderly store charging wire, the length of charging wire is conveniently controlled by pulling mode, the winding of charging wire is avoided, and wire drawing reel can be adsorbed on the surface of wall charger body greatly improve its use convenience, without additional installation space, directly utilize wall charger surface, realize the close combination of charging and storage function, make charging area more neat and orderly, meet the double needs of user to electronic equipment charging convenience and space neatness.

The application discloses a nuclear power steam generator thermocouple wire and fixing piece bending device. The device clamps and fixes two ends of the fixing piece respectively, inserts the thermocouple wire into the fixing piece, and realizes S-shaped bending of the thermocouple wire and the fixing piece by pressing one end of the fixing piece. In the bending process, the bending slider and the lower clamping plate of the hot end realize smooth guiding to the fixing piece, so that no indentation is caused on the hot end thermocouple wire, and the internal thermal sensing wire of the thermocouple wire is not damaged. The bending size can be determined by measuring the distance of the bending slider extending out of the shell.

The utility model discloses a sensor terminal and a sensor terminal injection mold structure, the sensor terminal comprises three connecting terminals which protrude out of a sensor shell and extend in parallel, the root part of each connecting terminal is provided with an arc-shaped bulge, one end, relatively far away from the root part, of each connecting terminal is an inner side end, and the other end of each connecting terminal is an outer side end. Limiting bosses are symmetrically arranged on the two sides, close to the inner side ends, of the connecting terminals in the extending direction, a short circuit prevention gap is formed between the limiting bosses on the adjacent connecting terminals, and a guide channel matched with a connector injection mold is formed between the adjacent connecting terminals. And the limiting boss is arranged on the connecting terminal so as to guide the connecting terminal when the connecting terminal is inserted into the connector injection mold, and the connector injection mold can abut against the limiting boss, so that injection molding calibration is completed. According to the sensor terminal and the sensor terminal injection mold structure, the injection molding length quality requirement of the sensor terminal can be met, and the plugging work efficiency is improved.

The utility model relates to a beancurd shoot forming device convenient to control length, which comprises an operation box, a long rack, a beancurd pool, a winding roller, a square box, a dryer, a drying forming box and a conveying platform, and is provided with a length control component, so that a worm can be rotated by a worker, and an elastic block can move forwards or backwards under the sliding fit of a first round rod and a limiting channel; the four annularly-arranged elastic blocks synchronously move, so that the size of a circular diameter opening formed by the inner sides of the elastic blocks can be controlled, then the fastening force of the movable body connected to the periphery of the penetrating rod in a sleeving mode is controlled, the position of the length control assembly is conveniently adjusted, and after the position is fixed, the bean sprout can be cut through the cutting knife, and the length of the bean sprout is controlled.

The application relates to a method for controlling edge grain defect of oriented silicon steel, characterized in that the method comprises the following steps: coating a set amount of grain defect control slurry in a set range of the inner ring and / or the outer ring of the upper end face and / or the lower end face of an oriented silicon steel coil to reduce the edge grain defect occurrence rate of the oriented silicon steel; and covering the whole end face of the upper end of the steel coil with a metal cover plate on the upper end cover of the steel coil. The method coats the grain defect control slurry in a certain area of the upper and / or lower end face of the steel coil, so that the grain defect control slurry can increase the local interlayer oxidation of the strip steel at high temperature, and then increase the bottom layer reaction, so as to control the width and length of the edge grain defect.

The application belongs to the technical field of tunnel mechanics experiment analysis, and discloses a soil model test box capable of realizing continuous change of fault dislocation, which comprises a box body, a first supporting part and a second supporting part arranged in the box body. The first supporting part comprises a first jacking piece, a first side plate and a plurality of first jacking plates. The first side plate can be fixedly connected with an adjacent first jacking plate or sequentially connected with the plurality of first jacking plates in the direction from the first side plate to the first jacking plates. After the first side plate is connected with the first jacking plates, the first jacking piece can drive the first jacking plates to move and simultaneously drive the first side plate to move, so that the soil body moves under the driving of the first jacking piece and the first side plate. The application realizes the control of the length of the dislocated soil body and the fault dip angle by selectively connecting different numbers of first jacking plates with the first side plate and changing the connection between the first jacking piece and the first jacking plates at different positions.

The utility model discloses a pair of wire cutters, which comprises a tip tube, a pair of wire cutters, a pair of wire cutters and a pair of wire cutters, and is characterized in that the tip tube is cylindrical and is internally provided with an accommodating space; the plain end part is arranged at one end of the tip pipe and is provided with an upward opening, so that a containing groove with an upward opening is formed in the plain end part; the first wire inlet is formed in the end surface of one end of the tip pipe and is communicated with the accommodating groove; the second wire inlet is formed in one side of the accommodating groove and is communicated with the accommodating groove; the jaw is arranged in the accommodating groove and is rotatably connected with the flat opening part; the connecting rod is coaxially arranged in the tip pipe, and one end of the connecting rod is rotatably connected with the jaw; one end of the first operation part is rotatably connected with the other end of the connecting rod; and one end of the second operation part is fixedly connected with the other end of the tip tube. The suture cutter can be used for cutting at any position of a suture line, and the defect that threading needs to be conducted from the tail end of the suture line when an existing instrument cuts the suture line is overcome.

The utility model discloses a discharging device for nodular cast iron pipe production, and relates to the technical field of nodular cast iron pipes, the discharging device comprises a shell, a cutting mechanism is arranged in the shell, an adjusting mechanism is arranged in the shell, and the cutting mechanism comprises a fixing body. A first belt pulley drives a second belt pulley to rotate through a belt, then the second belt pulley drives a threaded rod to rotate, then rotation of the threaded rod enables a moving plate to move towards the iron pipe, then the moving plate drives a push plate to move together, and the first belt pulley is driven to rotate through a bidirectional threaded rod; and then a first belt pulley drives a push plate to move in the direction of the iron pipe through transmission, then the push plate pushes the iron pipe through springback of a spring, and the effects that the iron pipe can be automatically discharged after being cut, the accuracy of the discharging amount, the discharging speed and the discharging direction can be ensured, and the consistency and the quality of products can be easily kept are achieved.

The application provides a wire feeding device and a busbar welding machine. The wire feeding device comprises a wire pressing wheel assembly, a wire feeding wheel assembly, a connecting seat and a wire guide tube. The wire pressing wheel assembly is used for pressing a wire harness. The wire feeding wheel assembly is arranged on one side of the wire pressing wheel assembly. The connecting seat is connected to the side of the wire feeding wheel assembly away from the wire pressing wheel assembly. The wire guide tube is connected to the connecting seat and forms a wire guide cavity. The wire feeding wheel assembly is used for moving the wire harness into the wire guide cavity. The wire feeding device of the application can automatically move the wire harness and accurately control the wire feeding length. The wire harness is guided by the wire guide tube, so that the wire harness can be accurately delivered to a specified position. The wire harness processing effect is not affected by unstable and inaccurate movement of the wire harness, thereby ensuring the pretreatment effect of the wire harness.

The application discloses a steel strand inclined cable intermediate tensioning and dismantling method, which adopts a method of tensioning and dismantling steel strands one by one to realize cable force tensioning of the whole cable; one steel strand to be dismantled is divided into an upper segment L1, a middle segment L2 and a lower segment L3 by two sets of clamping devices; two tool steel strands are correspondingly passed through left and right holes of the two clamping devices and anchored by clamping pieces; the middle segment L2 of the steel strand to be dismantled between the two clamping devices is gradually loosened and cut by a jack tensioning; the upper segment L1 and the lower segment L3 of the steel strand to be dismantled outside the clamping devices are loosened, and a crane hoists away the upper and lower steel strand cable bodies respectively. The application solves technical problems of the prior art, such as insufficient length of old steel strands in long-span cable-stayed bridge steel strand cable replacement construction, high safety risk of high-altitude tower operation, great construction difficulty and low economic applicability.

The utility model discloses a laser wire stripping machine with a wire positioning jig, which relates to the technical field of laser wire stripping, and comprises a wire jig used for positioning and installing a wire, and the wire jig is fixed on a bearing plate; the bearing plate is fixed to the sliding plate through bolts, and a wire clamping plate is further arranged at the end, close to the laser cutting assembly, of the sliding plate. The sliding plate is connected to the sliding table mechanism in a sliding mode. According to the laser cutting device, when the adjusting screw rod is rotated, the sliding tool can slide in the groove in the fixed tool, and the rectangular groove in the sliding tool and the rectangular groove in the fixed tool are relatively staggered, so that a wire rod can be clamped, and the stability of the wire rod during laser cutting is ensured; the clamping device is used for clamping the ends of the wires, so that the wires can be prevented from curling, and the wires are ensured to be in a straightened state; and the arrangement regularity of a plurality of wires is ensured, so that accurate peeling treatment is realized.

The utility model discloses an automatic safety belt cutting mechanism which comprises a machine frame and a working table, a feeding port and a discharging port are formed in the side walls of the two ends of the machine frame in a penetrating mode respectively, a feeding assembly is installed on the side wall of the machine frame, and a conveying assembly for driving a safety belt to move is installed on the working table. The conveying assembly rotates to measure the length of the safety belt, a cutting supporting table with the position adjustable is installed on the workbench, a laser cutter body is installed on the workbench, and a through opening is formed in the workbench in a penetrating mode. The safety belt cutting device is reasonable in structural design, the cutting length of a safety belt can be automatically controlled, cutting is conducted through the laser cutter body, the cutting edge is smooth, the green manufacturing requirement is met, the industrial injury risk can be reduced through automatic operation, and when the length of remaining safety belt raw materials is insufficient, the remaining safety belt can be returned back into the collecting box to be collected; and the working environment is kept clean.

This utility model relates to the field of storage and handling vehicle technology, and discloses a rapid storage and handling vehicle for cold storage goods, including wheels and a main body. One side of the wheel is rotatably connected to the bottom of the main body, and a hydraulic telescopic frame is fixedly connected to one side of the main body. A fork carriage is fixedly connected to the top of the hydraulic telescopic frame, and a telescopic component is provided at the bottom of one side of the fork carriage. The telescopic component includes a first fork and a motor, which are located on opposite sides of the bottom of the fork carriage. A fixing component is provided on one side of the first fork, and a second fork is slidably connected to the inside of the first fork via a sliding groove. The second fork has a gear opening, and a third fork is slidably connected to the two sides of the second fork via sliding grooves. In this utility model, the motor drives a gear and rack assembly to control the extension and retraction of each stage of the fork, thereby controlling the fork length and reducing the overall width of the forklift, facilitating passage in narrow aisles, and solving the problem of fork collisions when there is little space between cold storage goods.

This invention discloses a relocation structure and method for an old building on the roof of a newly constructed basement. The relocation structure includes multiple relocation tracks connecting the original site and the temporary storage location of the old building; multiple relocation tracks installed on the basement roof and connected to each of the relocation tracks; multiple pad beams installed between the basement roof and the multiple relocation tracks to make the multiple relocation tracks flush with their corresponding relocation tracks; and a force-transmitting structure connecting the basement roof and the basement floor and facing the multiple pad beams. By setting up the relocation structure, the stability of the relocation is ensured.

The utility model relates to the technical field of battery processing equipment, in particular to a tool bit structure for pole roll processing, which comprises a rack and a conveying assembly, a cutting frame and a cutting assembly are arranged on the rack, the cutting assembly comprises an adjusting frame arranged on the cutting frame in a sliding manner, and the sliding direction of the adjusting frame is perpendicular to the conveying direction of a strip; a sliding part for driving the adjusting frame to slide is arranged on the cutting frame, cutting plates are arranged at the two ends, in the strip conveying direction, of the adjusting frame in a sliding mode, a distance adjusting part for controlling the distance between the two cutting plates is arranged on the adjusting frame, cutters are vertically arranged on the cutting plates in a sliding mode, and driving parts for driving the cutters to slide are arranged on the cutting plates. The two cutters are symmetrically arranged relative to the adjusting frame, a cutter abutting plate is arranged on the rack in a sliding mode, the strip is located above the cutter abutting plate, an abutting cutting assembly for driving the cutter abutting plate to slide is arranged on the rack, and the cutters are used for cutting off the edges of the strip and the cutter abutting plate. The battery pole piece processing device has the effects of processing battery pole pieces with different sizes and reducing the production cost of the battery pole pieces.

The invention relates to the technical field of geological exploration, and particularly discloses an integrated air reverse circulation drilling machine driven by an automobile engine. The drilling machine comprises an automobile chassis, a drilling machine assembly, an air compressor set and a power output mechanism, all parts are integrally installed on a carrying frame of the automobile chassis, an engine serves as a power source of the drilling machine and is connected with a first power takeoff and a second power takeoff through a transfer case and a gearbox, and then a first hydraulic oil pump and a second hydraulic oil pump of the power output mechanism are driven through a universal shaft. Hydraulic power is provided for actions of power head rotation, pressurized lifting, mast posture adjustment and the like; the air compressor unit and the drilling machine assembly work cooperatively, the cyclone separation mechanism achieves purification circulation of gas and solid (rock debris / rock sample) separation, and the operation mechanism completes centralized control of the operation process. Through the vehicle-mounted integrated integration and power reuse design, the transition efficiency of the drilling machine is greatly improved, the damage of the crawler belt to the road surface is avoided, the equipment structure is simplified, and the overall weight and energy consumption are reduced.

The application discloses a kind of lighting projection components and welcome lamp, above-mentioned lighting projection component, including lighting component, imaging component and shell;Imaging component and lighting component are sequentially installed in shell from object side to image side;Imaging component sequentially includes along image side to object side: the first lens with positive focal power;Second lens with negative focal power;Third lens with focal power;Imaging component satisfies following conditional expression: 0.049<(tanSemi-Fov×ImgH) / f<0.174.By constraining the range of (tanSemi-Fov×ImgH) / f, the lighting projection component not only has a larger pattern projection range, but also controls the focal length of the imaging component within a suitable range, which is beneficial to controlling the length of the imaging component, thereby controlling the overall length of the lighting projection component, making the length of the lighting projection component shorter, which is beneficial to the miniaturization of the lighting projection component.

The application provides a racing car suspension structure, which comprises a left stand, a right stand, a left suspension and a right suspension; a connecting assembly is installed at the center of a frame; the left suspension comprises a left upper transverse arm and a left lower transverse arm; the right suspension comprises a right upper transverse arm and a right lower transverse arm; one end of the left upper transverse arm and the left lower transverse arm is rotatably connected with the upper end and the lower end of the left stand respectively; one end of the right upper transverse arm and the right lower transverse arm is rotatably connected with the upper end of the right stand respectively; the other end of the left upper transverse arm and the right upper transverse arm is rotatably connected with the upper end of the connecting assembly respectively; the other end of the left lower transverse arm and the right lower transverse arm is rotatably connected with the lower end of the connecting assembly respectively; the left upper transverse arm and the right upper transverse arm are axially symmetrical relative to the connecting assembly; the left lower transverse arm and the right lower transverse arm are centrally symmetrical relative to the connecting assembly. The application can maximize the utilization of the lateral arrangement space of the vehicle by the length of all the transverse arms, change the wheel track and the positioning parameters of the wheels within the acceptable limited range, and improve the steering stability of the vehicle.

The utility model relates to an automobile sunroof sealing structure, sunroof glass, a PU wrapping edge, a sealing strip and an automobile body, the PU wrapping edge annularly wraps the periphery of the sunroof glass, the periphery of the PU wrapping edge is connected with the sealing strip in a clamping mode, the PU wrapping edge is provided with an installation clamping groove corresponding to the sealing strip, the sealing strip is provided with an installation clamping block corresponding to the installation clamping groove, and the PU wrapping edge is connected with the sealing strip in a clamping mode. Limiting protruding blocks are arranged in the installation clamping groove at intervals, the sealing strip is in butt joint end to end to form a ring shape, a butt joint seam of the sealing strip is located between the two limiting protruding blocks, the sealing strip is provided with limiting notches corresponding to the limiting protruding blocks, and the limiting notches are formed in the length direction of the installation clamping block. On the basis that the PU covered edge is connected with the sealing strip in a clamping mode, the limiting notches are formed in the two sides of the butt joint seam of the sealing strip, and the limiting protruding blocks are arranged in the installation clamping grooves corresponding to the PU covered edge, so that the sealing strip is convenient to position and install.

The utility model discloses a sandbag fixing band at a groin position, which belongs to the technical field of medical instruments and comprises a waistband, one side of the waistband is movably connected with an anti-skidding bag, the waistband is movably connected with an elastic band, the elastic band is movably abutted against the surface of the anti-skidding bag, and two ends of the waistband are movably connected with each other. The sandbag is packaged through the arranged anti-skid bag, then the waistband is used for fixing the anti-skid bag, displacement of the sandbag during compression can be effectively prevented, the anti-skid bag is further fixed through the arranged elastic band, meanwhile, the sandbag is compressed, and the practicability of the device is improved.

The invention relates to an intelligent spheroidizing station for industrial robot vermicular graphite cast iron parts, and relates to the technical field of vermicular graphite cast iron equipment, the intelligent spheroidizing station comprises a spheroidizing station main body, one side of the spheroidizing station main body is provided with an electric roller shutter door, and the bottom of the spheroidizing station main body is provided with a rail bottom plate; the top of the rail bottom plate is connected with a conveying machining platform, and the top of the conveying machining platform is connected with a spheroidizing barrel. High-performance thin-wall cast iron wire feeding method processing production is achieved through the PLC microcomputer control technology, computer processing is carried out from parameter setting to material adding and dynamic data storage, a solid foundation is laid for stabilizing the vermicularizing rate, and the production efficiency is improved. The positions of the straightening device, the meter counting device and the traction compression roller can be adjusted according to the diameter of the reaction coil, so that the movement of the wire feeding action and the accuracy of the metering length are ensured, the wire feeding length and speed can be accurately controlled, and stable absorption of a vermicularizing agent is facilitated.

The utility model discloses a kind of portable cold-weather clothing, belong to clothing technical field, including cold-weather clothing main body, cold-weather clothing main body is divided into windproof outer layer, warm inner bag layer along thickness, windproof outer layer is provided with elastic cloth in elbow region, shell is set on elastic cloth, warm inner bag layer is stacked with extensor cloth in the position of elastic cloth, extensor cloth both ends are connected with rubber band, rubber band is connected with shell by passing out extensor cloth, shell is provided with adjusting mechanism for controlling the length of rubber band inside.The utility model of a kind of portable cold-weather clothing, by control adjusting mechanism, to control the length of rubber band, to change the length of extensor cloth, realize the adjustment to the elbow position of cold-weather clothing, when wearer does such action as mountain climbing, skiing, elbow movement is not limited.

The utility model relates to the technical field of thread rolling machines, and provides a bolt thread rolling machine which comprises a device body, a thread rolling mechanism is arranged at one position of the upper end of the device body, and a feeding mechanism is arranged at the other position of the upper end of the device body. The feeding mechanism comprises a feeding box, and the feeding box is fixedly installed on the front side of the device body. The top end of the feeding box is fixedly connected with a feeding hopper, and the interior of the feeding hopper is movably connected with a grading feeding plate. The bottom end of the grading feeding plate is fixedly connected with a second electric push rod, the second electric push rod is fixedly installed in the feeding box, and the position, where the grading feeding plate is installed, in the feeding hopper is fixedly connected with a material stopping table. By means of the technical scheme, the problems that in the prior art, when part of the thread rolling machines are fed, bolts are prone to being blocked, discharging is untidy, and part of feeding mechanisms are complex in structure and high in maintenance cost are solved.

The utility model discloses a heat shrink tube cutting device which comprises a rack and a cutting mechanism, the cutting mechanism is connected into the rack, a containing groove is formed in the rack, and a heat shrink tube can be arranged in the containing groove in a penetrating mode; the cutting mechanism comprises a driving assembly, a pressing assembly and a cutting assembly, the driving assembly is arranged on the rack, the pressing assembly and the cutting assembly are both in transmission connection with the driving assembly and both suitable for being opposite to the heat shrink tube, and the bottom of the cutting assembly is higher than the bottom of the pressing assembly; the driving assembly is used for driving the pressing assembly and the cutting assembly to move close to or away from the heat shrink tube, the pressing assembly is used for pressing the heat shrink tube, and the cutting assembly is used for cutting the heat shrink tube; the cutting assembly is a blade, a groove is formed in the end, close to the bottom of the rack, of the driving assembly, the blade is connected into the groove, and compared with the prior art, the pressing assembly and the cutting assembly can guarantee the cutting effect of the heat shrink tube.

The application provides a lens set, an optical system and an electronic device. The lens set comprises a first lens set, a second lens set and a third lens set, the first lens set comprises a first lens to a fourth lens, the second lens set comprises a fifth lens to an eighth lens, and the third lens set comprises a ninth lens to a thirteenth lens. 0.86≤f5 / T45≤4.55, 2.65≤F910 / (CT9+CT10)≤3.52, and -2.75<f11 / F1213<-1.50, wherein f5 is the effective focal length of the fifth lens, T45 is the air interval of the fourth lens and the fifth lens on the optical axis, F910 is the combined focal length of the ninth lens and the tenth lens, CT9 is the center thickness of the ninth lens, CT10 is the center thickness of the tenth lens, f11 is the effective focal length of the eleventh lens, and F1213 is the combined focal length of the twelfth lens and the thirteenth lens. The lens set can obtain a high-quality telephoto imaging effect.