10results about How to "Accurate distance" patented technology

The utility model relates to the field of chemical fiber production, in particular to rapid cutting equipment for chemical fiber production, which comprises a cutting table, four corners of the bottom of the cutting table are fixedly connected with supporting legs respectively, the top of a cutting table body is fixedly connected with a door-shaped frame, and the bottom of the door-shaped frame is fixedly connected with a first electric push rod. The extending end of the first electric push rod is fixedly connected with a cutting mechanism, the bottom of the cutting mechanism is transversely and slidably connected with a plurality of cutting blades capable of synchronously adjusting intervals, the two sides of the door-shaped frame are fixedly connected with pressing mechanisms correspondingly, and the front end of the top of the cutting table is fixedly connected with a traction mechanism used for pulling a carpet. According to the carpet cutting device, the distance between every two cutting blades can be more accurately adjusted, meanwhile, a carpet is pressed during carpet cutting, slipping and displacement of the carpet are avoided, and the size accuracy of the carpet after cutting is improved.

This utility model discloses a blade adjustment device for a straw crushing apparatus, including a prism-shaped blade holder and an adjustment screw B located at the left end and an adjustment screw A located at the right end of the prism-shaped blade holder. A metal sleeve A is fitted around the adjustment screw A, and a fixed support plate A is fixedly fitted around the metal sleeve A. A metal sleeve B is fitted around the adjustment screw B. By adding a fine adjustment device to the top of the right end of the prism-shaped blade holder and the top of the fixed support plate A, this device, together with the adjustment screw A, adjustment screw B, and adjustment locking nut, forms a dual adjustment system of coarse and fine adjustment. This solves the problem of the traditional single adjustment structure's difficulty in accurately controlling the blade spacing, and significantly improves the convenience, stability, and accuracy of adjusting the blade spacing of the straw crushing apparatus. It effectively ensures the material fineness meets the standard during crushing operations, while reducing blade wear caused by improper spacing and extending the equipment's service life.

The application discloses a ranging method, comprising: obtaining a mapping relationship between serial numbers of actual data boxes and serial numbers of preset data boxes, wherein each actual data box is mapped to at least one preset data box; obtaining ranging data, assigning storage space to the actual data boxes and storing the ranging data; determining a target data box and a serial number of the target data box according to data distribution of the ranging data in the actual data boxes; determining a target value of a preset data box corresponding to the target data box according to the mapping relationship between the serial numbers of the actual data boxes and the serial numbers of the preset data boxes and according to a preset algorithm; and determining a distance of a measured target according to the target value of the preset data box and a width of the preset data box. The application also provides a ranging system, which can reduce storage space.

The invention relates to the technical field of ink-jet printing, solves the problems that in the prior art, manual measurement of the distance between a camera and a spray head is inaccurate, and when the actual position of a printing medium has deviation, printing deviation can be caused, and provides a method, device and equipment for measuring the distance between an image acquisition device and the spray head and the medium. The method comprises the following steps: acquiring a position of a first line of printing data of a calibration graph, and recording as a first printing position; controlling an image acquisition device to acquire an acquisition image of the calibration graph and acquire the position of the calibration graph in the Y-axis direction; calibrating the acquired image to obtain a target image; according to the target image, identifying a calibration identifier in the target image, and obtaining a center coordinate of the calibration identifier in the target image; and according to the first printing position, the position of the calibration graph in the Y-axis direction and the center coordinate, the distance between the image acquisition device and the spray head is obtained. The distance between the camera and the spray head is accurately measured, and the printing precision is further improved.

The utility model provides a kind of polycarbonate surface optical film coating support device, belong to polycarbonate processing field, including shell, the top of the shell is fixedly installed with support assembly.The utility model provides stable basis for the support column of shell bottom to provide overall device when using, the ingredients tank of shell top can store the coating required by coating, it is convenient for operator to take at any time, reduce waste and pollution in coating transfer process, the rotation of the two first motors inside support plate driven cylinder, cylinder can transport polycarbonate base material, the height adjustment of the meshing of rack and pinion can be realized by the lifting plate of support plate side: the rotation of second motor driven rotating column and gear, gear and rack meshing transmission on the side of lifting plate, promote lifting plate to move up and down, cooperate with automatic coating equipment, it can be adjusted to equipment adaptive height, ensure that coating spray head and base material distance precision.

The utility model discloses an anti-damage type sealing ring mounting device. The anti-damage type sealing ring mounting device comprises a placing frame, a first air cylinder, a sealing ring mounting assembly and a feeding assembly. A bottom platform is arranged at the bottom of the placement frame; the first air cylinder is arranged on a middle platform of the placing frame; the sealing ring mounting assembly is arranged below the first air cylinder; the sealing ring mounting assembly comprises an aligning plate, a connecting plate, a second air cylinder and a push-down mounting ring; the alignment plate is arranged below the first air cylinder and connected with the output end of the first air cylinder through a connecting plate. The second cylinder is arranged on one side of the connecting plate away from the first cylinder; the push-down mounting ring is arranged on the circumferential surface of the alignment plate and is connected with the output end of the second air cylinder; the feeding assembly is arranged on a bottom platform of the containing frame. According to the anti-damage type sealing ring mounting device, progressive driving and pushing are achieved through the arrangement of the multiple air cylinders and the downward pushing mounting ring, it is guaranteed that the sealing ring is evenly stressed through pushing, the sealing ring is prevented from being damaged, and the production efficiency is improved.

The utility model relates to a string arrangement auxiliary tool and photovoltaic module production equipment. The string arrangement auxiliary tool is used for arranging and positioning a plurality of battery strings on photovoltaic glass. The string arrangement auxiliary tool comprises an auxiliary frame, and the auxiliary frame is provided with a plurality of positioning holes which are formed in a penetrating mode. And a battery string is accommodated in each positioning hole, so that the auxiliary frame can position the plurality of battery strings in the photovoltaic glass in series. Therefore, the distance between the battery strings and the edge of the photovoltaic glass and the distance between the adjacent battery strings are accurate, manual measurement by operators is not needed, the complexity of the battery string typesetting process is reduced, errors caused by manual measurement are reduced, the accuracy of the string spacing of the battery strings is ensured, and the yield of the subsequent stitch welding process is improved.

This invention discloses an object positioning system and method for near-eye displays, wherein the system includes a first imaging device and a second imaging device for respectively capturing a first image and a second image of the surrounding environment. The first imaging device and the second imaging device are provided at different spatial positions, wherein the first image and the second image include an image of a real object, and the first spatial coordinates of the real object are determined based on a dot matrix pair of receiving the image of the real object. The dot matrix pair corresponds to at least two positions of the image sensors of the first imaging device and the second imaging device, respectively. The first spatial coordinates of the real object are converted into second spatial coordinates based on the relative positions of the user and the first and second imaging devices.

The utility model discloses a liquid pump head assembling device which comprises a fixed supporting base, first electric push rods, a limiting main body and a movable main body, the first electric push rods are evenly and fixedly installed on the fixed supporting base, the limiting main body is arranged at the upper ends of the first electric push rods, and the movable main body is arranged on the limiting main body. According to the utility model, through the arrangement of the limiting main body and the moving main body, the moving distance and position of the pump head can be accurate when the pump head moves in each assembly mechanical device, so that the assembly can be accurately and adaptively carried out, the assembly does not have larger deviation, and the defective products of the assembled pump head are greatly reduced.

The invention relates to the field of vision measurement, in particular to a power transmission line icing thickness detection method and system, and the method comprises the steps: obtaining a multi-position image through the movement of an unmanned aerial vehicle, constructing a cost feature fusing the multi-view matching cost for each parallax of each pixel point, evaluating the multi-view texture prominence of the pixel point, screening a reference pixel point, and carrying out the detection of the icing thickness of a power transmission line. And finally, guiding an aggregation path of an SGM algorithm by using distribution of reference pixel points, and completing multi-view cost fusion and thickness detection. According to the method, the problems of weak texture and visual angle sensitivity caused by special optical characteristics of the icing surface are effectively solved, the accuracy, robustness and practicability of icing thickness detection of the power transmission line are remarkably improved, and reliable technical guarantee is provided for safe operation of a power grid.