367 results about "Vertical projection" patented technology

The embodiment of the invention provides a camera module and electronic equipment, relates to the technical field of camera shooting, and is used for reducing the size of a camera. The circuit board of the camera module can comprise a first part and a second part. The first part is arranged on the side where the first surface of the image sensor is located and covers the non-photosensitive area. The first portion is electrically connected with the image sensor. In addition, the second part is arranged around the periphery of the first part. The vertical projection of the second part on the plane where the first surface is located is not overlapped with the image sensor. In the direction perpendicular to the first surface, the first part can be overlapped with the image sensor so as to reduce the length of the camera module. The first portion is located between the lens assembly and the image sensor such that the thickness of the first portion of the circuit board can be multiplexed with the total length of the lens.

The invention belongs to the technical field of marine environment monitoring and numerical simulation, and relates to a three-dimensional marine element field reconstruction method based on multivariable empirical orthogonal function decomposition. Comprising the steps of S1, multi-source data collaborative preprocessing; S2, MEOF joint modal extraction; S3, vertical projection operator optimization construction; S4, three-dimensional element field dynamic reconstruction; according to the method, through organic combination of multivariable modal decomposition and physical constraint projection, limitation of precision, efficiency and adaptability in three-dimensional field reconstruction in the prior art is broken through, key technical support is provided for real-time monitoring of the ocean dynamic environment, and the method can be widely applied to the fields of ocean disaster early warning, underwater engineering safety guarantee and the like.

The invention discloses a planet generation method and system based on spherical display equipment. The method comprises the following steps: acquiring a planet material to be projected; based on preset UV coordinate mapping data, performing spherical projection on the planet material to generate a planet with two poles based on vertical projection and an equator based on cylindrical projection; the acquisition mode of the UV coordinate mapping data specifically comprises the following steps: generating a corresponding cylindrical projection through a cylindrical projection algorithm based on the auxiliary texture; corresponding spherical coordinates are obtained based on auxiliary texture mapping; converting the obtained spherical coordinates into 3D rectangular coordinates; the obtained 3D rectangular coordinates are mapped back to the 2D texture space again, and corresponding vertical projections are generated; determining an equator mask; and generating corresponding UV coordinate mapping data based on the equatorial mask, the cylindrical projection and the vertical projection. According to the invention, through the design of the UV coordinate mapping data, in the process of carrying out spherical projection on the planet material, the resource consumption is reduced, and the dynamic projection precision can be improved at the same time.

The invention relates to the technical field of display, in particular to a display panel and a display device. The display panel comprises: a substrate; a first light-emitting element and a second light-emitting element; a first pixel opening and a second pixel opening; a first light-transmitting opening and a second light-transmitting opening; the maximum distance between the edge of the vertical projection pattern of the first light-transmitting opening on the substrate and the edge of the vertical projection pattern of the first pixel opening corresponding to the first light-transmitting opening on the substrate is L1; the maximum distance between the edge of the vertical projection pattern of the second light-transmitting opening on the substrate and the edge of the vertical projection pattern of the second pixel opening corresponding to the second light-transmitting opening on the substrate is L2, and L1 is smaller than L2; in the peep-proof mode, the first light-emitting element emits light, and the second light-emitting element does not emit light; in the sharing mode, the first light-emitting element does not emit light, and the second light-emitting element emits light. The method has a peep-proof mode and a sharing mode, and is beneficial to reducing the production cost.

The invention relates to the technical field of building three-dimensional modeling, and provides an ALS point cloud facade geometry-based LLO3-level-tending building three-dimensional model automatic reconstruction method, which comprises the steps of 1, building point cloud segmentation and bottom contour construction: segmenting a roof and facade area from an ALS point cloud, and constructing a bottom contour; automatically extracting the bottom contour of the actually grounded building through the vertical projection of the facade point cloud; step 2, door and window contour extraction based on facade geometry: projecting the facade point cloud into a two-dimensional image, identifying a door and window opening by using an Alpha Shape construction and geometry-semantic detection method, and extracting a door and window contour; and step 3, building a three-dimensional building model with enhanced facade details: inputting the bottom contour and the door and window contour into a modeling frame, and automatically embedding door and window components through polygonal surface patch combination and Boolean operation to generate a building model with a complete structure and semantic details. According to the method, the three-dimensional model of the building tending to the LOD3 level can be better and automatically reconstructed based on the ALS point cloud.

The present invention discloses a field-effect transistor device having a blocking region, for use in solving the problem of short-channel effects of field-effect transistors in the prior art. The field-effect transistor device includes an active layer, and the active layer includes a source region, a drain region, and a channel region located between the source region and the drain region. When the device is switched on, an effective channel and an equivalent source region and an equivalent drain region that are distant from the effective channel at least in the thickness direction of the channel region are formed in the channel region, and the field-effect transistor device supplies an working current by connecting the source region and the drain region by means of the effective channel, the equivalent source region, and the equivalent drain region; the field-effect transistor further includes a carrier blocking region, and in a plane perpendicular to the length direction of the effective channel, the vertical projections of the equivalent source region and the equivalent drain region are located in the vertical projection of the carrier blocking region.

The utility model discloses a workpiece gravity center detection device, which comprises a detection table, and a universal ball hinge support II is arranged below the detection table. The leveling adjusting frames are mounted on the bottom surface of the detection table in a central symmetry manner; oil rods of the oil cylinders are correspondingly installed on the three second universal ball hinge supports respectively, and the oil cylinders are communicated with one another through oil pipes; a universal ball hinge support I is arranged on the base, and the bottom of the oil cylinder is mounted on the universal ball hinge support I; and the laser is mounted at the center position of the bottom surface of the detection table and is used for vertically projecting a datum line. According to the workpiece gravity center detection device provided by the embodiment of the utility model, the gravity center of a processed workpiece can be rapidly detected through the synergistic effect of hydraulic self-balancing of the oil cylinder and counterweight fine adjustment of the lead screw.

The invention relates to the technical field of data processing, can be applied to business system platforms of financial science and technology, medical health and the like, and discloses a table generation method, device and equipment based on image data and a medium, the method comprises the following steps: obtaining an initial document image, and carrying out image enhancement processing on the initial document image to obtain a to-be-identified document image; performing visual table detection on the to-be-identified document image to obtain a target table area in the to-be-identified document image, and performing horizontal projection and vertical projection on the target table area to obtain a target table layout; extracting target table data of each table unit in the target table layout, and constructing a mapping relationship between the table units and the target table data; and generating a corresponding structured spreadsheet according to the target table layout, and filling the target table data into the structured spreadsheet according to the mapping relationship. According to the invention, the image table data identification accuracy can be improved.

The utility model discloses a high and low temperature test box, which relates to the technical field of test boxes and comprises a test box, a box cover is arranged on one side of the test box, a movable plate is arranged on the inner side of the test box, and a motor rotating component is arranged at the bottom of the test box. A movable buckle is arranged at the top of the box cover; two pull rods are symmetrically arranged at two ends of one side, close to the test box, of the box cover; a rotating disc part is arranged on the upper surface of the movable plate; the rotating disc part comprises a placement disc; the bottom of the placement disc penetrates through the movable plate to be fixedly connected with a triangular clamping pin. And the vertical projection of the triangular bayonet lock is an isosceles triangle. By means of the structure, parts of different sizes and materials can be driven to rotate, better heating is facilitated, inaccurate test results caused by uneven heating are avoided, the movable plate can be pulled out, then the rotating disc part is pulled out, the parts can be taken out conveniently, and the test efficiency is improved.

The invention discloses a ground-air-pipe multi-dimensional coupling PCCP pipeline health monitoring system and method, and belongs to the technical field of underground pipeline safety monitoring, and the system comprises an InSAR air monitoring unit, an artificial corner reflector array and a distributed optical fiber sensing unit. The PCCP pipeline is monitored from the air through the InSAR technology, and ground surface settlement rate abrupt change points and non-linear deformation areas are extracted through InSAR time sequence analysis; an adjustable artificial corner reflector is arranged along a vertical projection area of the pipeline, so that the phase incoherence problem of the InSAR technology in pipeline monitoring is improved, and the InSAR phase stability is enhanced; distributed optical fibers are pre-buried in the PCCP manufacturing stage and used for collecting pipe body strain data in real time, an abnormal space correlation map is constructed in combination with InSAR time sequence analysis data, and the hidden damage position and probability of an underground pipeline are deduced and inversely deduced through Bayesian causality. Omni-directional and multi-dimensional health monitoring from the ground and the air to the pipeline is achieved, the monitoring precision and reliability are effectively improved, and a powerful guarantee is provided for safe operation of the PCCP.

The invention provides a photoelectric sensing inertial sensor and a manufacturing method thereof, and the sensor comprises a semiconductor substrate which is internally provided with an annular cavity; a light conduction device is arranged in a circle defined by the annular cavity and is used for transmitting light to the inner side wall of the circumference of the annular cavity along the radius; the light source is used for emitting light rays vertically emitted to the circumferential plane of the annular cavity; a modulation device is arranged in a vertical projection area of the light source to the plane where the light conduction device is located and used for modulating a light source beam to the radius direction of the annular cavity; the light receiving devices are uniformly arranged on the circumferential side wall of the outer side of the annular cavity; and the inertial body is located in the annular cavity and can rotate around the annular cavity, and when the inertial body rotates to the position of a certain light receiving device, the inertial body can shield the light receiving device to receive light beams. According to the invention, the miniaturization of the sensing device is realized, the manufacturing cost is greatly reduced, the comprehensive damping is small, the test error is low, and the impact resistance is higher.

The utility model relates to a cylindrical ice-making module which comprises a cylindrical barrel, an ice-making disc body with a circular vertical projection is arranged in the barrel, the ice-making disc body and the barrel are concentrically arranged and can be mutually detached and separated, and the periphery of the outer side of the ice-making disc body is adjacently matched with the inner side wall of the barrel. The aligning action of the ice-making tray body when the ice-making tray body is placed in the barrel body is simplified, meanwhile, the heat exchange surface area between the outer side of the ice-making tray body and the inner wall of the barrel body is relatively increased, and the heat exchange efficiency between the ice-making tray body and the barrel body is improved, so that the ice-making efficiency is improved.

The application relates to a wireless table structure recognition method and device, equipment, a storage medium and a program product, and relates to the technical field of image recognition. At least one content contour is extracted from a target table image; noise removal processing is performed on each content contour to obtain at least one content region; clustering processing is performed based on the center points of each content region to determine a plurality of cell blocks; horizontal projection is performed on the plurality of cell blocks, and row coordinate information is determined according to the horizontal projection result; vertical projection is performed on the plurality of cell blocks, and column coordinate information is determined according to the vertical projection result; and the table structure is determined according to the row coordinate information and the column coordinate information. The method can reduce noise interference and improve the accuracy of wireless table structure recognition. The plurality of content regions in a cell are subjected to clustering processing, the table cell region can be accurately obtained, deep learning algorithms are not required, resource consumption is low, and the wireless table structure can be simply and effectively recognized.

The utility model discloses a stone classifying and storing device which comprises a long straight transversely-arranged bottom rod, two through pipes transversely arranged at intervals are fixedly arranged at the upper end of the bottom rod, the through pipes are perpendicular to the bottom rod, the two through pipes are symmetrically arranged with the midpoint of the bottom rod as the symmetry center, a rectangular vertical retaining wall is further fixedly arranged at the upper end of the bottom rod, and the retaining wall is perpendicular to the bottom rod. The length direction of the retaining wall extends in the central axis direction of the bottom rod, the length of the retaining wall is not smaller than that of the bottom rod, the projection of the retaining wall in the vertical direction completely covers the projection of the bottom rod in the vertical direction, a through opening communicated with the through pipe is correspondingly formed in the bottom of the retaining wall, and two transverse supporting parts are fixedly arranged on the left side and the right side of the bottom rod respectively. The supporting parts are perpendicular to the bottom rod, the bottoms of the supporting parts are flush with the bottom of the bottom rod, the two supporting parts on the same side are symmetrically arranged with the midpoint of the bottom rod as the symmetry center, a gap is reserved between the two supporting parts on the same side to form a channel, and the through pipe is arranged in the range of the channel. According to the device, on the premise that the blocking function is guaranteed, the moving and adjusting functions can be conveniently and rapidly achieved.

The utility model discloses a well lid structure with a hanging type ring adding intelligent inner well lid, which comprises an outer well lid and an outer well ring, the outer well lid and the outer well ring are hinged through a hinge, an inner well ring is arranged on the inner side of the outer well ring, an inner well lid is borne on the inner well ring, an inner well lid intelligent lock is arranged at the bottom of the inner well lid, and the inner well lid intelligent lock is connected with the inner well lid. A spring bolt is installed at the bottom of the inner well lid intelligent lock, the spring bolt enters or leaves the vertical projection area of the inner well ring in the rotating process so that locking or unlocking can be achieved, the inner well lid intelligent lock and an intelligent key are used in a matched mode, and one or more tail hooks are arranged on the side, away from the inner well lid intelligent lock, of the bottom of the inner well lid. And the end part of the tail hook extends into the vertical projection area of the inner well ring. The technical problems of casualties and property loss caused by loss of the well lid in the traditional well lid structure in the prior art are solved.

A support is provided with a hollow-out structure used for forming air circulation in the horizontal direction, a shielding body comprises an outer plate and an inner plate, the outer plate is arranged on the support, the vertical projection of the outer plate at least covers equipment, and the outer plate inclines towards the periphery of the outer plate along the vertex position of the middle of the outer plate. An air outlet is formed in the upper portion of the outer plate, multiple air inlets are formed in the lower portion of the outer plate, the inner plate is arranged on the support, or a top cavity is formed in the lower end face of the outer plate, and the air inlets are communicated with the top cavity. The outer plate can achieve the rain shielding function, the air inlet holes and the air outlet holes in the outer plate and the top cavity form an air channel, air can enter from the air inlet holes and then conduct heat transfer with the upper end face of the inner plate, then the air is exhausted from the air outlet holes, and cooling of the inner plate is achieved. The self-cooling structure with the flow guide function continuously cools the shielding body through the chimney effect of hot air, is simple in structure, safe and reliable, and can avoid high-temperature damage.

The utility model relates to the field of automation equipment, in particular to an accurate material counting device. Comprising a feeding mechanism and a conveying assembly. The conveying assembly is obliquely arranged and provided with a feeding end located at the top and a discharging end located at the bottom. The feeding mechanism is arranged at the feeding end and used for supplying multiple materials to the conveying assembly. A material arranging mechanism is arranged at the feeding end of the conveying assembly and comprises a material arranging roller, the material arranging roller is provided with an axis in the horizontal direction, and the outer surface of the material arranging roller can abut against materials stacked on the conveying assembly, so that no coincident vertical projection exists between any material passing through the material arranging roller and other materials. The material arranging mechanism is arranged at the feeding end of the conveying assembly and can abut against the materials stacked on other materials on the conveying assembly, so that the materials fall off from the other materials. Therefore, the situation that the counting effect is affected due to the fact that a plurality of stacked materials are recognized as a single material by the visual counting device is avoided.

The utility model provides a car rear stand column and an elevator. The lift car rear stand column comprises a lift car rear stand column body and a lift car guide assembly mounting position. The car guide assembly mounting position is used for mounting a car guide assembly; the vertical projection of the car rear stand column body is of an L-shaped structure, the car guide assembly mounting position is located at the corner of the L-shaped structure, the car guide assembly mounting position is also of an L-shaped structure, and the L-shaped long edge of the car guide assembly mounting position is of an opening structure. A cable groove is formed in the end of the car rear stand column body, and one end of the cable groove is of an opening structure. According to the utility model, the lift car guide component is arranged on the lift car rear upright post, so that a car frame is omitted, and the lift car and the lift car track can be directly connected through the lift car guide component. In addition, as the cable trough is of an opening structure, the cable can be horizontally pushed into the cavity, threading in the height direction is not needed any more, and the threading difficulty is greatly reduced.

The invention belongs to the technical field of thermoprinting machines, and particularly relates to a thermoprinting mechanism of a flat pressing type thermoprinting machine, the thermoprinting mechanism comprises a printing assembly and a transferring assembly, the printing assembly comprises a printing head, a printing plate and a lifting mechanism, the printing head is arranged on the lifting mechanism, a printing area is formed by the overlapping area of the printing head and the vertical projection plane of the printing plate, and the printing plate is arranged on the printing area. The transferring assembly is arranged on the printing plate, the printing head presses a hot stamping film to a hot stamping area and is connected with the transferring assembly in a buckled mode, and the hot stamping film is clamped between the printing head and the transferring assembly in a wrapped mode and is synchronously peeled off and reset with a hot stamping pattern along with the hot stamping head and the transferring assembly. The transfer assembly comprises a grabbing mechanism and a large spring, the large spring is connected to the printing plate, the grabbing mechanism is connected to the large spring, and the grabbing mechanism is used for grabbing the hot stamping head; in the rolling process of hot stamping, horizontal pulling force is prevented from being formed on a hot stamping pattern when an adhesive layer is in a cooling state.

The invention relates to a simulation scanning method for guiding the routing angle of adjacent layers, and the method comprises the steps: building a transmission line model containing two pairs of differential lines with the vertical projections of the adjacent layers coinciding, setting a center coordinate, controlling the two pairs of differential lines to rotate reversely at the same value, scanning the angle, obtaining crosstalk data of different angles through simulation, and improving the amplitude. Therefore, the wiring angle design of adjacent layers is guided. According to the method, two pairs of differential lines of adjacent layers are set as reverse same-value rotation variables, the angle difference and a single variable are associated, control is simplified, and traceability is achieved; a projection center is used as a rotation reference, so that accurate control and reliable simulation are guaranteed; crosstalk data are obtained through angle scanning, quantization limitation is broken through, and efficiency is improved; the data shows that the difference is improved, the optimal angle is selected by combining the assistance with the space limitation, crosstalk exceeding or space waste is avoided, and experience dependence is got rid of.

The invention discloses a display panel, a preparation method thereof and electronic equipment. The display panel comprises a substrate; the anode metal layer is positioned on the surface of one side of the substrate and comprises a plurality of anodes; the pixel definition layer is arranged on one side, away from the substrate, of the anode metal layer; the pixel definition layer comprises a plurality of pixel openings arranged corresponding to the anodes, and the pixel openings expose at least parts of the corresponding anodes; the first protrusions are located on the surface of the side, away from the substrate, of the pixel defining layer, the first protrusions are located between every two adjacent pixel openings in the first direction, and the first direction is parallel to the plane where the substrate is located; the first protrusions have first vertical projections on the plane where the substrate is located, and the pixel openings have second vertical projections on the plane. In the first direction, the first vertical projection is parallel to the two adjacent second vertical projections. According to the invention, the pixel definition layer can be reused to prepare the first projections with good stability as the support columns.

The present application relates to the field of character recognition and image processing, and particularly relates to an ancient book and handwritten character intelligent recognition method and system. The method comprises: obtaining a whole page image by scanning an original page of an ancient book document, sequentially performing correction, enhancement, denoising and standardization processing to obtain an input image and a text label; using a character detection model to segment a character region and generate a text box coordinate, classifying a handwritten and printed character block, and establishing a corresponding relationship between a region, a coordinate, a category and a text label; performing horizontal and vertical projection to generate a projection block, calculating a sliding window parameter through a connected domain and a reference height, and adjusting a boundary to generate a recognition block; performing unified character processing and character recognition to obtain a result, triggering dynamic resolution optical character recognition and boundary adjustment through joint judgment, and outputting an overall detection and recognition result and a returnable recognition block. The present application improves the recognition accuracy and adaptability through closed-loop reprocessing and dynamic adjustment of the recognition block.

The application provides a water surface and underwater heterogeneous collaborative control method and device based on a preset time disturbance observer, and the control method mainly comprises the following steps: a water surface unmanned ship controller calculates an expected control torque according to a specified expected trajectory, actual state information of the unmanned ship body and a compensation value obtained by an observer; a underwater unmanned vehicle controller calculates an expected control torque according to an expected trajectory obtained by a guidance method, actual state information of the water surface unmanned ship, actual state information of the underwater unmanned vehicle body and the compensation value obtained by the observer; and the water surface unmanned ship and the underwater unmanned vehicle are collaboratively controlled in a heterogeneous mode. The application combines vertical projection and line-of-sight method to complete the guidance of the water surface and underwater heterogeneous collaborative control; the preset time disturbance observer is used to estimate external disturbance, and the disturbance is compensated in the controller to improve the anti-interference ability of the system; and the improved adaptive integral terminal sliding mode control method improves the robustness and rapidity of the system while increasing the tracking accuracy of the system.

The utility model discloses an optical sensor and an electronic device, the optical sensor comprises a substrate, a first optical sensing chip, a dodging structure, a first light transmission layer and a shading packaging layer, the first optical sensing chip is arranged on the substrate and is electrically connected with the substrate, the dodging structure is arranged above the first optical sensing chip, and the first light transmission layer is electrically connected with the first light transmission layer. The vertical projection of the dodging structure at least covers the effective photosensitive area of the first optical sensing chip, the first light transmitting layer is arranged above the dodging structure, and the vertical projection of the first light transmitting layer at least covers the effective photosensitive area of the first optical sensing chip. The shading packaging layer is arranged on the substrate and packages the first optical sensing chip, the dodging structure and the side portion of the first light transmitting layer. The electronic equipment comprises the optical sensor. According to the utility model, the half-power angle of the light above the first optical sensing chip is enlarged, so that the application performance of the optical sensor is improved; and the dodging structure is embedded in the packaging structure, so that the miniaturization design of the optical sensor can be realized.

The utility model provides a developing device. The developing device comprises a carrying table, a developing machine body, a cover body, a first baffle plate and a filter screen, the carrying table is provided with a first through hole; the developing machine body is arranged below the carrying table and is positioned in a vertical projection range of the first through hole; the cover body is arranged above the carrying table and is opposite to the developing machine body, the cover body comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are connected with one another, the first side plate is opposite to the third side plate, the second side plate is opposite to the fourth side plate, and the first side plate is provided with a first opening; the first shielding plate is arranged on the first side plate corresponding to the first opening, and the first shielding plate can move relative to the first side plate; the filter screen is fixedly connected with the first side plate and covers the first opening.

The utility model belongs to the field of illumination, and discloses a side illumination type reflecting part, a side illumination type lamp and a side illumination type lamp illumination frame. Comprising a light source, a radiator, a first reflective component, a second reflective component and a third reflective component, wherein the first reflective component and the second reflective component are connected to the left and right sides of the third reflective component; the first reflective surface of the first reflective component is perpendicular to the third reflective surface of the third reflective component, and the included angle between the second reflective surface of the second reflective component and the third reflective surface of the third reflective component is an obtuse angle; and the length of the first reflective surface of the first reflective component in the vertical direction is greater than the projection length of the second reflective surface of the second reflective component in the vertical direction. According to the side illumination type light reflecting piece, the light emitting angle of a lamp and the uniformity of an illuminated surface are adjusted through light reflection of the first light reflecting component and the second light reflecting component, the light energy utilization rate of the lamp is improved, the unit area power consumption of illumination is reduced, the cost of an illumination frame is reduced, and the side illumination type light reflecting piece can be compatible with an existing illumination frame and has a great application market.

The utility model discloses a door and window protection structure of a high-voltage chamber, a high-voltage protection door and a high-voltage protection window, and relates to the technical field of locomotive high-voltage protection. The utility model aims to improve the protection effect between the machinery room and the corridor. The door and window protection structure of the high-pressure chamber comprises a positioning frame, a first protection plate and a second protection plate. The positioning frame is provided with an observation opening, the first protection plate is arranged at the observation opening and connected with the positioning frame, and the first protection plate is provided with a plurality of first air holes. The second protection plate is arranged at the observation opening and connected with the positioning frame, and the second protection plate is provided with a plurality of second air holes. Wherein the second protection plate and the first protection plate are arranged at intervals, and the vertical projection of the second air holes on the first protection plate and the first air holes are distributed in a staggered mode. Through the first protection plate and the second protection plate which are arranged at an interval and the staggered ventilation holes formed in the two protection plates, the protection and shielding effects are improved while air flow on the inner side and the outer side is kept.

The application discloses a rat-proof baffle in a transformer substation, which comprises a rat-proof baffle and guide rails installed on both sides of the bottom plate of the rat-proof baffle. The rat-proof baffle comprises a bottom plate and a panel, the material of the panel is polyester fabric, and two fixed buckles are arranged on the side of the panel away from the bottom plate. The guide rails are attached to the door frame, and the top of each guide rail is provided with a fixed buckle connecting piece at the overlapping position of the vertical projection of the door frame. The bottom plate is connected with the guide rails through connecting buckles. The material of the panel is changed from the original aluminum material to polyester fabric, so that the rat-proof baffle is more simple to disassemble and install. Meanwhile, when large instruments are carried into and out of the equipment function room, the possibility of colliding with the equipment is greatly reduced, the safety during operation is improved, and the work efficiency is greatly improved.

The utility model relates to chemical material filtering technical field, concretely provides a kind of circulating filter device, including filter box and feeding tank, material conveying pipe and circulating pump;Filter box is opened with input and output, and output is communicated with input by material conveying pipeline;Feeding tank and circulating pump are connected in material conveying pipe;Filter bag, deflector are provided in filter box;Filter bag is set on the position of input corresponding to filter box inner wall;Multiple deflectors are layered interval arrangement along the height direction of filter box, one of adjacent two deflectors is connected to the inner wall of one side of filter box, another is connected to the inner wall of other side, and adjacent two deflectors are cross distribution on vertical projection plane, and deflector is inclined downward and is provided with first filter screen.The utility model realizes the circulation of material in filter box by material conveying pipe and circulating pump, and the multistage filtering mechanism of filter bag, deflector and first filter screen is constructed, and the filtering effect and efficiency are improved.

The application discloses a kind of inclinometer lifting drive mechanism and method, it is related to engineering construction detection technical field, mechanism includes lifting cable, for fixed in the base of bearing cylinder, and drive wheel group and power device installed in base;Drive wheel group includes rotation assembly in the base gear set, upper drive wheel, lower drive wheel and guide wheel group;Power device is driven connection in upper drive wheel and lower drive wheel by gear set, and can make upper drive wheel and lower drive wheel each other reverse rotation;Upper drive wheel is provided with several positive annular upper wheel groove, lower drive sets several positive annular lower wheel groove, the number of lower wheel groove is more than the number of upper wheel groove, the vertical projection of each upper wheel groove in lower drive wheel, all be located between two adjacent lower wheel grooves;Lifting cable is passed through upper wheel groove, lower wheel groove and guide wheel group.The application is applied to inclinometer, in the case where ensuring that it can drive movable probe to realize stable and reliable lifting movement in inclinometer guide pipe, greatly shorten the length of lifting cable.