19results 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.

The utility model discloses a continuous combination supporting device for underground diaphragm wall pouring construction, which relates to the field of pouring construction and comprises two vertically spaced supporting plates, the opposite sides of the supporting plates are provided with sliding grooves and fixing seats fixed under the supporting plates, the fixing seats are provided with sliding grooves, and horizontal sliding blocks are arranged in the sliding grooves in a sliding manner; the lead screw is rotationally arranged in the sliding groove, and the vertical sliding block is connected outside the lead screw in a threaded mode. The two ends of the supporting plate are hinged to the horizontal sliding block and the vertical sliding block correspondingly. A hydraulic box in the hydraulic supporting structure is filled with hydraulic oil, the left end, the right end and the lower end of the hydraulic box communicate with fixing pipes, a first piston rod is slidably arranged in the fixing pipe at the lower end, one end of a second piston rod is slidably arranged in the fixing pipes at the left end and the right end, the other end of the second piston rod is fixed to the supporting plate, and the lower end of the first piston rod is fixed to the hydraulic driving cylinder. The supporting plates and the hydraulic supporting structures form a dual supporting effect on the supporting plates, the distance between the two supporting plates can be controlled, and therefore it is guaranteed that the distance between the two guide walls is accurate.

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 present invention provides an intelligent loudspeaker based on a positioning beacon, which relates to the field of a loudspeaker system and comprises: a following positioning module, comprising a positioning beacon arranged on an object to be followed, a main base station and a plurality of slave base stations arranged on the loudspeaker, and a positioning analysis unit; an information acquisition module, which is used to acquire real-time environmental information; a loudspeaker following module, which is used to determine a following path and following parameters according to a real-time relative position relationship between a positioning beacon and the main base station, real-time environmental information, and a historical relative position relationship between the positioning beacon and the main base station, and control a walking component to drive the loudspeaker to move; a loudspeaker adjustment module, which is used to determine real-time loudspeaker parameters according to a real-time relative position relationship between a positioning beacon and the main base station, real-time environmental information, and a following path, and control a posture adjustment component to adjust the posture of the loudspeaker and adjust the output volume of the loudspeaker. The loudspeaker has the advantages of realizing intelligent following of the loudspeaker based on the positioning beacon and improving user experience.

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 utility model provides slitting equipment for a battery pole piece. The slitting equipment comprises a main body frame and a plurality of slitting mechanisms arranged on the main body frame, the slitting mechanism comprises a slitting blade, a supporting rod provided with the slitting blade, a driving assembly driving the supporting rod to rotate and a deviation rectifying assembly connected with the driving assembly. When the position of the slitting blade deviates from a preset position, the deviation rectifying assembly can rectify deviation of the slitting blade by adjusting the position of the driving assembly. According to the equipment, the control mode of the slitting blade is adjusted through the deviation rectifying assembly, the slitting size of the battery pole piece can be more accurately controlled, and the rejection rate of battery products can be reduced; meanwhile, the multiple slitting mechanisms are arranged, the distance between every two adjacent slitting blades can be accurately controlled, the cutter distance of the slitting equipment is changed, and the slitting equipment is suitable for cutting battery pole pieces of different lengths.

The present application provides a valve stent and a prosthetic valve having the same, and belongs to the technical field of cardiac valves. The valve stent comprises a stent body, a positioning ring and elastic connection wires, wherein the positioning ring in a compressed state is adapted to be arranged in series with the stent body sequentially along an axis thereof, and when the positioning ring has elastically deformed from the compressed state to a propped open state, the positioning ring becomes coaxially sleeved on the stent body due to traction of the elastic connection wire. In the valve stent of the present application, after being implanted, the positioning ring can automatically expand to reach the propped open state by elastic deformation, and due to the traction of the elastic connection wire, the positioning ring can become coaxially sleeved on the stent body. Therefore, in the process of an implanting surgery, the positioning ring and the stent body can be positioned at the same time. Due to the traction of the connection wire, the stent body can be automatically positioned according to the location of the positioning ring, so that respective positioning operations of the positioning ring and the stent body are dispensed with, and the surgery operation can be made simple and convenient.

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 invention relates to a suspension adjusting method, device and equipment, a medium, a product and a vehicle, and relates to the technical field of data processing. The method at least solves the technical problems that in the related technology, the accuracy of judging whether the height of the air suspension of the vehicle needs to be adjusted or not is low, and the effect of adjusting the height of the air suspension is poor. Determining a first position parameter of each connection position point relative to a chassis plane, wherein the chassis plane comprises a plurality of angular position points; determining a reference plane based on the plurality of connection position points, the reference plane comprising at least one connection position point in the plurality of connection position points; determining a second position parameter of each of the plurality of angular position points relative to the reference plane based on the plurality of angular position points and the reference plane; and determining whether to adjust the plurality of suspensions based on the first position parameter and the second position parameter corresponding to each of the plurality of suspensions.

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.

The utility model relates to adjusting device technical field discloses a kind of precise calibration adjusting device of metering roll gap of gluing machine, including two racks, two the rack interval arrangement, two the rack between be provided with glue roll and metering roll, further include the precise adjusting component for the precise adjustment between the gap of the metering roll and the glue roll, the mutual cooperation use of rack, metering roll and moving frame being set, can reach the effect of the precise calibration adjustment between the gap of glue roll and metering roll, the up-down movement coarse adjustment of metering roll is realized by rotating threaded rod, the fine fine motion adjustment of connecting pipe is realized by rotating first threaded column and second threaded column through the difference of the pitch of two, and the threaded rod and first threaded column are limited by the cooperation of limiting threaded tube and fixed bolt, avoid loose, double regulation ensures the distance precision between glue roll and metering roll, more practical.

Acupuncture instrument assembling auxiliary equipment comprises a conveying belt and an intercepting device fixed to the conveying belt, the intercepting device comprises a base, the right side of the base is rotationally connected with a lead screw, the lead screw is connected with a driving assembly, the middle of the base is connected with a set of driving rods, the driving assembly sequentially drives the set of driving rods, and each driving rod is rotationally connected with a gear. The two sides of each gear are meshed with the racks on the base and the racks on the middle rods at the same time, each middle rod is slidably connected with the base, the left side of the base is slidably connected with a driving plate, the driving plate is slidably connected with a set of right-angle plates, the middle rod on the rearmost side is slidably connected with the driving plate, and the middle rod on the front side is slidably connected with the right-angle plates. According to the device, the grouping pitch changing rhythm can be adjusted according to the rhythm of a production line, and grouping pitch changing is accurate.

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 utility model provides a cluster unmanned aerial vehicle obstacle avoidance device, and relates to the technical field of three-dimensional position control. The device comprises a base, a binocular vision sensor is arranged on the base, a millimeter-wave radar is arranged on the base, a support is arranged on the base, the millimeter-wave radar is hinged to the support, and a driving source for driving the millimeter-wave radar to swing is arranged on the support. According to the utility model, the advantages of two different sensors, namely the millimeter-wave radar and the binocular vision sensor, are integrated, so that the environmental adaptability and the recognition precision are improved.

The utility model discloses a novel full-page FPC mold assembly which comprises a mold frame, the mold frame is used for supporting and positioning the novel full-page FPC mold assembly, three movable mold mechanisms are arranged at the top end of the mold frame, and an equidistant positioning mechanism is fixedly arranged in the middle of the mold frame. The movable mold mechanism comprises a mold base, movable frames are fixedly arranged at the two ends of the mold base, and positioning bases are fixedly arranged on one sides of the two movable frames. The positioning gear drives the die seats to stably move along the positioning rack, the positioning gear rotates by a distance once so that the die seats can just move to adjacent positions in parallel, the three die seats are sequentially moved during punching, the equidistant principle is utilized, the shape of a single PCS hole is punched for the first time, and the shape of a single PCS product is cut by the second punching sleeve. And the third punching part has a full-page appearance, and the FPC lamp glue product is moved and integrated into a full-page product through a mold seat of a single PC product, so that the labor efficiency can be multiplied.

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.