84results about How to "Accurate distance adjustment" patented technology

The invention relates to an automatically-moving three-dimensional seedbed system with the adjustable light transmittance. The automatically-moving three-dimensional seedbed system comprises a three-dimensional frame body, linear guide rails, seedbed conveying units, single seedbeds and sensing and positioning devices. The linear guide rails are arranged on the three-dimensional frame body in a layered mode through supporting plates. Each seedbed conveying unit comprises two side plates arranged in parallel, wherein the distance between the two side plates is regulated according to the depth by which corresponding interval insertion plate inner plates are inserted into corresponding interval insertion plate outer plates, wheels used for rolling to convey the corresponding single seedbed are arranged on the inner sides of the side plates, and the side plates are connected to the corresponding linear guide rail in a sliding mode through slide blocks. The sensing and positioning devices are arranged on the three-dimensional frame body, the seedbed conveying units and the single seedbeds to position the single seedbeds. Compared with the prior art, the seedbeds can be moved to the assigned seedbed positions, the positions of the seedbeds can be automatically adjusted according to the growth condition of plants, the illumination receiving rate of the seedbeds is increased, and the automatically-moving three-dimensional seedbed system conforms to the tendency that traditional greenhouses are developed towards large-scale plant factories.

The invention provides a distance adjusting device and an LED display device with the same. The distance adjusting device comprises a shell, a sliding block (10) and a transmission mechanism, wherein the shell is provided with an inner cavity and an opening face communicated with the inner cavity, the sliding block is arranged at the opening face and is movably arranged in the inner cavity in the direction perpendicular to the opening face, the transmission mechanism is connected with the sliding block (10) in a driving mode to drive the sliding block (10) to move in the direction perpendicular to the opening face. The distance adjusting device achieves the accurate adjustment of the distance between two adjacent installing boards, the gaps between display modules during the splicing process of a display screen are more uniform, and the displaying effect of the display screen is clearer.

The invention relates to a cord winding and partitioning machine. The machine comprises a base, and is characterized in that: both the front side and the rear side of the base are provided with a first sliding rail matched with an extension socket; a screw nut pair mechanism for driving the extension socket to move right and left on the first sliding rail is arranged on the base; a second sliding rail and a driven wheel seat matched with the second sliding rail are arranged on the upper side of the extension socket; a groove roller is arranged on the driven wheel seat; a retractable cylinder for driving the driven wheel seat to move right and left on the second sliding rail is arranged on the extension socket; a main shaft box with a numerical control system is arranged at the right end of the base; a smooth roller driven by a servo motor is arranged on the main shaft box; a partitioning device is arranged on the main shaft box; a compression roller device is arranged on the main shaft box; and the screw nut pair mechanism, the retractable cylinder, the servo motor and a compaction cylinder are electrically connected with the numerical control system. The cord winding and partitioning machine makes a cord wound and ranked stably, has a controllable gap, makes the cord patched and pre-partitioned conveniently, is convenient to operate and has high production efficiency.

The invention discloses a novel construction wiring device with an adjustment function in the technical field of construction wiring. The novel construction wiring device with the adjustment functionincludes a first rectangular clamp plate and a second rectangular clamp plate, the top of a bolt penetrates through the second clamp plate, and a first nut is installed to the bolt, a reverse-flightedscrew is inserted in the center of a right end of the second clamp plate, two groups of second nuts having the same structure are symmetrically screwed on an outer wall of the reverse-flighted screw,the top of a connecting rod extends to an outer side of the second clamp plate, and is fixedly connected with the bottom of a mounting block, two groups of telescopic rods are symmetrically installedon two sides of the top of the first clamp plate, and four semicircular wiring slots are arranged on an outer wall of a rotary table. The novel construction wiring device with an adjustment functionis simple to operate and it is convenient to fix and align a plurality of groups of wires having different specifications on the device at the same time. A second spring is matched with a rubber arc-shaped plate, which not only facilitates clamping of a wire, but also avoids damage caused by an excessive clamping force on the wire, and the arrangement of convex particles improves the stability ofwire installation.

The invention relates to a correcting device of an ambient light sensor, which comprises a light source, an optical splitter, a first light pipe, at least one second light pipe and at least one vernier device, wherein the light source is used for outputting light beams with different illuminance; the optical splitter is provided with an input face and an output face; the two ends of the first light pipe are respectively coupled to the light source and the input face of the optical splitter, and the first light pipe is used for transmitting the light beams emitted by the light source to the optical splitter; each second light pipe comprises an inlet end and an outlet end, and the inlet end of each second light pipe is coupled to the output face of the optical splitter; and the outlet end of each second light pipe can be movably arranged in the corresponding vernier device. The correcting device of the ambient light sensor can reduce the time required for correcting the ambient light sensor.

The invention discloses a polymer film production slitting process. The process comprises the steps that S1, equipment inspection is conducted, specifically, the operation condition of polymer film production slitting equipment is inspected before the equipment is started; S2, sleeve roll positioning is conducted, specifically, a polymer film is positioned through an unwinding limiting mechanism, and a winding reel core is positioned through a winding limiting mechanism; S3, cutter distance adjustment is conducted, specifically, cutters are moved, and a distance between the two adjacent cutters is adjusted to a specified width; S4, the equipment is started, specifically, a motor is started, and the polymer film is slit; and S5, discharging and storage is conducted, specifically, the slit polymer film is taken down from the equipment to be stored for later use. According to the polymer film production slitting process, the limiting mechanisms are arranged at the tail ends of the winding reel core and an unwinding reel core correspondingly, deviation of the reel cores is avoided, it is guaranteed that the polymer film is wound in order, the limiting positions of the limiting mechanisms can be adjusted to adapt to the reel cores with different widths, and the reel cores can be conveniently mounted or dismounted.

The invention discloses a radial arc voltage heightening device of a numerical control plasma cutting machine. The device comprises an arc voltage detecting unit, a signal processing unit, a radial heightening device of cutting gun, a control circuit and a system power supply, wherein the arc voltage detecting unit is connected with the radial heightening device of cutting gun through the signal processing unit, and the control circuit is connected with the radial heightening device of cutting gun through a solenoid valve; the radial heightening device of cutting gun comprises a cutting gun, an elastic component and a lifting rod, one end of the elastic component is fixed, and the other end of the elastic component is connected with the upper end of the cutting gun; and a projection with a bending part is arranged on the upper end of the cutting gun, and a hook is arranged on the tail end of the lifting rod. After utilizing the technical scheme, the distance between the cutting gun and the workpiece is precisely adjusted, and the heightening device is simple in structure, high in automation degree and convenient to operate.

The invention discloses a convenient-to-clamp quality detection device for flax textile production in the technical field of flax textile production. The quality detection device comprises a workbenchwith a hollow structure, wherein a control box and a motor are mounted on the outer walls of the left and right sides of the workbench respectively; two nuts I are symmetrically mounted on the outerwalls of the left and right sides of a bidirectional screw; four lighting devices are symmetrically mounted on the top of the workbench; a thimble is mounted at the bottom end of an electric telescopic rod II. The device is simple to operate, realizes adjustment of the height of the workbench, and can be conveniently operated by workers of different heights, clamping devices can fix flax textile bodies of different widths conveniently, workers can conveniently check all flaws and holes in the flax textile bodies clearly by irradiation of lamp tubes, the stretching, topping and expansion conditions that the joints of the flax textile body can be known by the workers conveniently, and whether quality of the produced flax textile bodies is up to standard can be judged conveniently.

The invention relates to a drying installation within a sheet-fed printing press, comprising a device for subjecting the moving sheet to air and / or heat. The aim of the invention is to improve such a drying installation in such a manner that the drying effect is improved. To this end, an electrode (E) and a corresponding counter-electrode are associated with a high-voltage source (HV) and subjects said high-voltage source to a high-voltage depending on the operation of the sheet-fed printing press and / or the length of the sheets (B).

The invention discloses a novel multi-shaft drilling mechanism for a steel bar connecting structural member. The novel multi-shaft drilling mechanism comprises a rack; a working table plate is fixed to the upper side of the rack; a supporting frame is installed on the upper side of the working table plate; a distance adjusting mechanism is installed in the supporting frame; drilling assemblies are arranged on the distance adjusting mechanism; the number of the drilling assemblies is two; each drilling assembly comprises a driving motor, a transmission box and two drill bit mechanisms; the two drill bit mechanisms are arranged at the bottom of the corresponding transmission box side by side; each drill bit mechanism comprises a rotating shaft; and a connecting block is fixed to the lower end of each rotating shaft; and a drill bit is arranged at the bottom of each connecting block. The distance between the two drilling assemblies can be accurately adjusted; the drilling effect is improved; the positions, needing to be drilled, of the steel bar connecting structural member can be positioned through first positioning protruding strips on the front sides of containing bases and second positioning protruding strips on the front sides of lower pressing blocks; and the drilling accuracy is further improved.

The present invention provides a bean grinding device, which includes a grinding assembly and an adjustment assembly, the grinding assembly includes a bean grinding chamber, an outer grinding wheel and an inner grinding wheel, the outer grinding wheel and the inner grinding wheel are located inside the bean grinding chamber, the The adjustment assembly includes at least two-stage adjustment mechanism, the at least two-stage adjustment mechanism includes a first adjustment mechanism and a second adjustment mechanism, the first adjustment mechanism is track-connected with the grinder chamber, and the second adjustment mechanism It is track-connected with the outer grinding wheel, and the position of the first adjustment mechanism and the second adjustment mechanism are relatively fixed in the axial direction. The first adjustment mechanism and the second adjustment mechanism are used to adjust the The height of the outer grinding wheel, so as to realize the adjustment of the distance between the outer grinding wheel and the inner grinding wheel. The present invention also provides a coffee grinder comprising the grinder.