28results about How to "Precise distance control" patented technology

This utility model relates to the field of livestock breeding technology, specifically a precise quantitative feeding pig feed dispenser. It includes a base, a hopper and a guide frame seat on the base, and a quantitative feeding mechanism on the guide frame seat. The quantitative feeding mechanism includes a base plate, a top plate, and a material hopper with adjustable volume. This precise quantitative feeding pig feed dispenser, through its quantitative feeding mechanism, adjusts the amount of feed dispensed by controlling the volume of the material hopper. It can precisely and flexibly dispense feed from the hopper for pigs at different growth stages and with different breeding scales.

The utility model discloses a steel plate rust removal mechanism for ship building and repairing, and relates to the technical field of steel plate rust removal. Comprising a movable support, the movable support is provided with a rust removal mechanism used for a steel plate for ship building and repairing, and the rust removal mechanism comprises the structure that when a sliding rail support rotates, the angle of a grinding wheel at the lower end of the sliding rail support can be adjusted, the grinding wheel is fixed to be in a vertical state, and in the ship building and repairing process, the working faces of the steel plate are diversified; a large number of horizontally-placed steel plates and vertical faces such as the side wall of the ship exist, through the rapid action of a second electric push rod, the grinding wheel can be rapidly switched between the two modes of horizontal grinding for plane steel plate rust removal and vertical grinding for ship side wall rust removal, manual disassembly and re-installation of grinding equipment are not needed, and the working efficiency is improved. The operation conversion time is greatly saved, the overall rust removal efficiency is improved, the rust removal requirements of steel plates at different positions and angles can be met, the working efficiency is improved, and multiple purposes are achieved through one machine.

This invention discloses a tension detection device, belonging to the field of wire rope tension detection technology. It includes a support assembly, a displacement detection assembly, an arbitrary sliding assembly, a guide assembly, and a displacement measuring assembly. The support assembly drives the support base plate to rise and fall via a central support rod; the displacement detection assembly is mounted on the support base plate and drives the sliding panel to move axially via a screw drive; a spring tension gauge is mounted on the sliding panel via the arbitrary sliding assembly, and its force-bearing end is equipped with a hook; the displacement measuring assembly is located on the side of the sliding panel, and its scale is tightly attached to the side of the spring tension gauge under the drive of a top-holding spring. This tension detection device, through mechanized displacement adjustment combined with a follow-up scale, forms a unified tensile displacement measurement benchmark, solving the detection error caused by uneven displacement due to manual pulling, and realizing quantitative and standardized comparative detection of multi-rope tension. It has the advantages of rapid alignment, accurate detection, and simple operation.

The utility model relates to a variable pitch mechanism, paddle hub assembly, rotor mechanism and aircraft, relate to aircraft technical field to solve the problem of complex, inconvenient maintenance or lubrication management complex of multi-bearing combination assembly in the prior art. The utility model's variable pitch mechanism, including variable pitch hinge support piece, paddle clip shell and transmission assembly, transmission assembly sets up between variable pitch hinge support piece and paddle clip shell, transmission assembly includes tapered roller bearing and bearing lubrication passageway, bearing lubrication passageway provides lubricating oil to tapered roller bearing, and tapered roller bearing provides axial and radial collaborative load for the relative motion of variable pitch hinge support piece and paddle clip shell. The utility model passes through tapered roller bearing, effectively deals with the composite load produced in the variable pitch process, and bearing lubrication passageway can continuously provide lubricating oil to tapered roller bearing, reduces friction loss, prolongs bearing service life, and improves the operation stability and reliability of variable pitch mechanism.

The invention discloses a directional fan-shaped range pickup method and system based on a microphone linear array, a terminal and a medium, and the method comprises the steps: building the microphone linear array which comprises at least one directional microphone and a plurality of omnidirectional microphones; determining a sound source angle and a distance between a sound source and the center of the omni-directional microphone based on the phase difference between the omni-directional microphones, and determining a fan-shaped pickup area based on the sound source angle and the distance to realize fan-shaped range pickup; and determining a position relationship between the sound source and the microphone linear array based on an amplitude difference between the directional microphone and any omnidirectional microphone, and obtaining a directional fan-shaped pickup area based on the position relationship and the fan-shaped pickup area, thereby realizing directional fan-shaped range pickup. The position relation means that the sound source is located in front of or behind the microphone linear array. According to the invention, the pickup distance and angle can be accurately controlled, and the directional fan-shaped range area pickup can be effectively solved.

The utility model relates to the technical field of gear shaft machining equipment, and discloses a gear shaft positioning and drilling clamp which comprises a base and a mounting groove, positioning and clamping assemblies are oppositely arranged above the base, an adjusting assembly is arranged in the base, each positioning and clamping assembly comprises a mounting plate, and the mounting plate is provided with a positioning hole. A hollow shaft is rotationally connected to the interior of each mounting plate, a first driven gear and a second driven gear are fixedly connected to the two ends of each hollow shaft correspondingly, fixing blocks are evenly and fixedly connected to the surfaces of the mounting plates, and a first guide rod is fixedly connected between the opposite surfaces of every two fixing blocks; racks are slidably connected to the surfaces of the first guide rods correspondingly, and guide inclined grooves are evenly formed in the surfaces of the racks. According to the gear shaft machining clamp, the positioning and clamping assembly and the adjusting assembly are used in cooperation, so that the clamp can adapt to machining of gear shafts of various specifications, the production efficiency and the equipment utilization rate are greatly improved, and the production cost is reduced.

The utility model relates to the technical field of industrial solid waste treatment, in particular to an industrial waste residue sample quantitative sampler which comprises a pushing structure used for driving the sampler to stretch out and draw back and a clamping structure used for fixing samplers of different specifications, and one side of the pushing structure is fixedly connected with a positioning block; and one side of the pushing structure is fixedly connected with a hose. According to the device, the clamping structure is arranged and comprises a first limiting ring, a second limiting ring, a fixing block, a first pushing rod, a sliding block, a clamping block, a circular ring, a rubber pipe and other components, the first limiting ring and the second limiting ring are used for preliminarily positioning the collectors of different specifications, and then the first pushing rod drives the clamping block to clamp and fix the collectors; meanwhile, the rubber pipe plays a role in buffering and protection, the industrial waste residue sample collectors of different specifications can be stably and effectively fixed through the clamping structure, the problem that a traditional collector is difficult to adapt to sample containers of different specifications is solved, and the equipment universality and the operation convenience are improved.

The utility model discloses a camera group of crystal seed observation and shooting, aims at solving the problem of complex structure, inconvenient operation, unstable imaging and poor effect of crystal seed observation equipment in the prior art. The camera group includes: the object carrying base platform, sets up the lifting adjustment support on the platform, fixes the camera on the support, is connected in the camera bottom's microscope head and is provided with the light source part in the microscope head bottom. The lifting adjustment support adopts the structure of gear and rack meshing to realize accurate focusing, the object carrying base platform is equipped with the positioning sheet for sample accurate positioning, and the light source part is integrated light source. The utility model integrates each functional part into an organic whole, has the advantages of simple and compact structure, stable and clear imaging, accurate focusing, accurate positioning and convenient operation, greatly improves the efficiency and quality of crystal seed observation and shooting.

The utility model discloses a head wearing type forming sheet clip traction fixing device, which comprises a cap body, a connecting rod mechanism, a deformable metal strip and a sheet clip, the cap body is used for being worn on the head of a patient, the connecting rod mechanism capable of rotating left and right is arranged at the front end of the cap body and comprises a vertical rod and a rotating rod, one end of the vertical rod is fixedly connected with the cap body, and the other end of the vertical rod is fixedly connected with the deformable metal strip. The front end of the rotating rod is of a hollow structure, one end of the deformable metal strip is telescopically inserted into the hollow portion of the front end of the rotating rod and is fixed through the fixing mechanism, and the other end of the deformable metal strip is detachably connected with the sheet clamp. The device can be flexibly adjusted to different directions, the adjustable range of the device in space is greatly expanded, and highly flexible and accurate formed sheet clamp positioning can be provided for doctors in oral treatment.

The utility model discloses a UV pressing and curing device applied to BC battery pieces and a series connection machine. The UV pressing and curing device comprises a lifting assembly. The welding lamp assembly is movably arranged on the lifting assembly, the lifting assembly drives the welding lamp assembly to do linear lifting motion in the longitudinal direction, and the welding lamp assembly can do transverse linear motion relative to the lifting assembly; and the pressing needle assembly is fixedly arranged below the welding lamp assembly, and the pressing needle assembly is used for carrying out flexible pressing operation on the welding strip arranged on the curing area. The welding lamp assembly and the pressing needle assembly are sequentially driven by the lifting assembly to move downwards, so that a welding strip on a BC battery piece is flattened and tightly attached to a BC battery piece grid line, and the problem of head warping or insufficient welding and missing welding in the solidification and series connection process of an existing BC battery piece and the welding strip is effectively solved.

The utility model relates to the technical field of saw blade welding, in particular to an alloy tooth saw blade welding machine. The clamping device comprises a mounting table, an operation table arranged at the top of the mounting table, a clamping and limiting mechanism and a first clamping table. The clamping and limiting mechanism is arranged at the top of the mounting table. The first clamping table is arranged on the clamping limiting mechanism. According to the saw blade clamping device, the clamping limiting mechanism is arranged, the positions of the limiting plates are adjusted to adapt to saw blades with different widths, the air cylinder drives the first clamping table and the second clamping table to be matched so as to clamp the saw blades, and the limiting plates are used for limiting the two sides of the saw blades in the clamping process; in this way, the position of the saw blade in the welding process can be accurately controlled, it is guaranteed that welding points are accurate, welding defects caused by saw blade deviation are avoided, errors caused by manual operation are reduced, welding consistency and stability are improved, meanwhile, saw blades of different widths can be clamped, a welding machine has wider applicability, and the welding efficiency is improved. And different production requirements can be met.

This invention discloses a composite paper film edge cutting device, comprising: a fixed frame with a detection element; an edge cutting assembly including a cutting seat, a cutter, and a rotating unit; and a translation assembly including a driving unit and at least two translation units. Each translation unit includes a lead screw and a threaded sleeve. The driving unit drives each lead screw to rotate synchronously. Along the distribution direction of the translation units, the threaded sleeve of the last-stage translation unit is connected to the cutting seat. In two adjacent translation units, the threaded sleeve of the previous stage is connected to the lead screw of the next stage. This composite paper film edge cutting device uses a translation mechanism composed of at least two lead screws to drive the cutting seat to move, and drives each lead screw to rotate synchronously through the driving unit to achieve displacement superposition, thereby improving the response speed, shortening the time required for cutter position adjustment, avoiding lag, ensuring that the cutter can be adjusted in real time according to the offset of the composite paper, accurately controlling the distance between the cutting position and the paper layer, and significantly improving the cutting quality.

The utility model provides a kind of lower limb braking fixing device for blood vessel intervention after operation, including hip joint fixing structure and leg fixing structure;Hip joint fixing structure one end is connected with leg fixing structure through connecting plate;Leg fixing structure includes first guard plate, fixed seat, two second guard plates, two slide bar structures, two telescopic connecting structures and two adjustable fixing mechanisms.The lower limb braking fixing device for blood vessel intervention after operation of the utility model solves the problem that the patient can still rotate inwards through hip joint or flex knee joint, indirectly move puncture site, because the restraint belt in the related art only fixes distal end of extremity, does not lock hip joint and knee joint.

The utility model discloses a car washing machine that adjusts car washing distance according to car size, relates to car washing machine technical field, including the bottom plate of cuboid, four support columns, a pair of roof beams, a pair of cross beams, car frame, rotating mechanism, moving mechanism and car arm, four support columns fixedly arranged at the four corners of bottom plate upper surface, and the both ends of a pair of roof beams are fixedly connected with the upper end of two support columns before bottom plate and the upper end of two support columns behind bottom plate respectively, and a pair of cross beams parallel design and its front and back two ends are fixedly connected with a pair of roof beams respectively, the utility model discloses the car size that the sensor detection system detected according to plc control system to adjust the rotation angle of car arm in the moving process, and the loss of transverse movement is compensated through deflection, thereby accurately controls the distance of car arm / nozzle and each part of car body side, guarantees the cleaning effect, avoids the scratch, and fundamentally guarantees the stable, efficient cleaning effect of various car types.

The utility model relates to the field of product polishing, concretely to a gear ring deburring production device, its including base, setting in the fixed platform of base top, setting in the support column of fixed platform top and setting in the top board of support column top, clamping mechanism rotation setting in fixed platform, deburring mechanism sliding setting in top board, rotating platform rotation setting in deburring mechanism, the utility model discloses the setting of deburring mechanism, according to the size of gear ring, and rotating screw rod can drive polishing disc to move to the position that needs polishing, then rotates rotating platform to adjust the angle of polishing disc, like this can accurate matching gear ring's outer diameter, inner diameter and tooth width, ensure that every tooth groove, tooth top's burr is completely removed, makes polishing disc and tooth surface keep the best contact, avoids the partial leakage processing that leads to tooth shape complex, and adjustable device can cover entire gear ring through one positioning, reduces the clamping time.

The utility model discloses a kind of elbow joint rehabilitation training devices, it is related to medical instrument technical field.Elbow joint rehabilitation training device includes support seat, big arm bracket, small arm bracket, first adjusting assembly, second adjusting assembly;Big arm bracket, small arm bracket, first adjusting assembly, second adjusting assembly are all set on support seat;First adjusting assembly is respectively connected with big arm bracket, small arm bracket transmission;Second adjusting assembly is respectively connected with big arm bracket, small arm bracket transmission;Elbow joint rehabilitation training device provided by the utility model, by the relative deflection adjustment of first adjusting assembly to big arm bracket and small arm bracket, it is convenient to adjust to the angle required by patient rehabilitation training;And by the distance of big arm bracket and small arm bracket is adjusted to second adjusting assembly, to be accurately adjusted to the traction force that elbow joint is suffered in the process of patient rehabilitation training, ensure training effect while alleviating the pain of patient, ensure the use experience of patient.

The utility model discloses a tool setting gauge convenient to adjust, and particularly relates to the field of tool setting gauges, which comprises a base, a rotatable movable end is arranged at the top of the base, a detection end is mounted at the top of the movable end, a gap is reserved between the movable end and the base, and a driving part for driving the movable end to rotate is mounted in the gap. A rotating shaft moving part for driving the base to move back and forth is arranged at the bottom of the base, and limiting parts for limiting movement of the base are arranged on the two sides of the rotating shaft moving part. The servo motor is adopted to drive the gear-gear ring and the screw-threaded pipe for transmission, real-time feedback of the distance sensor is matched, accurate control over the rotation angle and the translation distance is ensured, errors are small, the device is suitable for high-precision tool detection scenes, the rotation range and the translation stroke of the movable end can be customized and expanded, and the detection precision is high. The device is compatible with detection requirements of cutters of different sizes and types, and is suitable for various industrial scenes such as numerical control machine tools and machining centers.

This utility model discloses a corrosion-resistant double-spring safety valve, relating to the field of spring safety valve technology. It includes a valve body with valve covers fixedly connected to both ends of the valve body's top. Two fixed rods are symmetrically fixedly connected to the top of each valve cover, with a top plate fixedly connected to the top of each rod. A valve stem is slidably connected to the middle of the valve cover, and a support block is fixedly connected to the top of the valve stem. This utility model allows adjustment of the rotation of the threaded rod to engage with a first pressing plate, causing the plate to move downwards in a predetermined direction, thereby applying longitudinal compressive force to the lifting plate. The screw structure of the threaded rod causes the first pressing plate to move vertically, generating a compressive force, thus achieving compression and pressing of the lifting plate. The core function is to adjust the distance between the support block and the lifting plate. By adjusting the relative position of the threaded rod and the first pressing plate, the distance between the lifting plate and the support block is precisely controlled, thereby adjusting the compressive force on the limiting spring and affecting the range of motion and pressure of the valve stem.

The utility model discloses open bridge cable stayed cable force control device, including control device main part, cable stayed cable main part, anchorage end and bridge deck beam body, the inside of bridge deck beam body is provided with control device main part, and the inside of control device main part is provided with cable stayed cable main part, cable stayed cable main part is close to the one end of control device main part and is provided with anchorage end, the central position of control device main part inside is provided with screw rod, and the screw rod is equipped with drive block, drive block is connected with anchorage end, the bottom of control device main part is fixed with drive motor, the outside of cable stayed cable main part is provided with protective sleeve, and the outside of protective sleeve evenly is provided with fiber grating sensor. The utility model discloses through being installed with control device main part, screw rod, drive motor, drive block, cable stayed cable main part, fiber grating sensor, anchorage end and bridge deck beam body, can real -time monitoring cable stayed cable's stress condition and carries out cable force regulation control.

The utility model provides a soldering tin mechanism for a baton light string, which comprises a base, a support block is arranged on the base, a first cylinder is downwards arranged on the support block, the end part of a piston rod of the first cylinder is connected with a sliding block, the sliding block is in sliding fit with the support block in an up-and-down moving manner, a soldering tin gun is downwards arranged on the sliding block, and the soldering tin gun is connected with the first cylinder. The base is provided with a slag blowing assembly used for blowing tin slag to the gun head of the tin soldering gun and a tin conveying assembly used for conveying a tin bar to a welding spot. The tin soldering gun has the advantages that tin slag is blown away from the gun head of the tin soldering gun through the slag blowing assembly, manual cleaning is not needed, and efficiency and tin soldering quality are improved.

This utility model relates to a precast component handling device for batch transport, comprising a fixed frame and a movable beam arranged opposite each other, each with a gantry for batch transport of precast components. The gantry is inserted into the top of the fixed frame and the movable beam, and slide rails are symmetrically arranged on both sides of the gantry. A traction component is installed in the slide rail to guide the movable beam to move along the slide rail. An elastic shock-absorbing unit is attached to the inner end of the gantry, which slides and locks against the precast component as the movable beam moves. This precast component handling device for batch transport is provided with a fixed frame and a movable beam arranged opposite each other, and a gantry is installed on each of them. With this structure, multiple precast components can be transported at once, which greatly improves work efficiency compared to the traditional method of transporting them one by one.

The utility model relates to the field of building construction, in particular to a concrete module integrating the functions of thickness control, steel bar support and cushion block, which comprises a module body, the module body is provided with a support part, and a reinforced concrete protection area is formed between the support part and the end part of the module body. According to the utility model, the module body is provided with the supporting part for placing the steel bar, and the reinforced concrete protection area is formed between the supporting part and the end part of the module body, so that the distance from the outer surface of the steel bar to the edge of concrete can be accurately controlled; the problem that in the actual construction process, the steel bar protective layer cushion block at the bottom of the steel bar split head is prone to slipping and even falling off, so that after concrete pouring is completed, the steel bars are exposed or the thickness of the protective layer is insufficient, and the service life of the steel bars is prolonged is effectively solved. The problem that in the actual construction process, the steel bar protective layer cushion block at the bottom of the steel bar split head is prone to slipping and even falling off is effectively solved. And the problems of steel bar corrosion and concrete cracking are solved.

This utility model relates to the field of bridge engineering, specifically a test device for the assembly tolerance of bridge expansion joints. It includes a support platform, slider, limiting plate, L-shaped clamp, servo motor, bidirectional screw, sliding block, support frame, hydraulic rod, pressure plate, mounting plate, pressure device, and slide groove, among other structures. Using this utility model can significantly improve testing efficiency, quickly complete a large number of expansion joint inspections, and meet the high-efficiency requirements for expansion joint quality inspection in modern bridge construction and maintenance.

This utility model relates to the field of silicone cloth production equipment, specifically a clean production silicone cloth processing equipment. It aims to solve the problems of uneven silicone coating thickness and the generation of harmful gases during coating curing in existing technologies. This utility model includes a support, characterized in that: two parallel flat rollers are fixedly connected to the left end of the support; a glue spraying device is fixedly connected to the upper surface of the support; a lead screw is rotatably connected to the upper surface of the support; a scraper is slidably connected to the lead screw; a guide scraper is provided below the scraper; a curing cover is fixedly connected to the side wall of the support; an infrared heating tube, an exhaust pipe, and a catalytic filter box are fixedly connected to the inner wall of the curing cover; a brush cylinder is provided below the infrared heating tube; and both ends of the brush cylinder are rotatably connected to the inner wall of the curing cover. The advantages are: it can not only control the thickness of the silicone coating but also absorb and purify harmful gases generated during production.

The utility model discloses a magnetic pole grinding machine which comprises a workbench. The installation adjusting device comprises an installation seat assembly and a sliding assembly, the installation seat assembly is arranged on the sliding assembly, the sliding assembly is arranged on the workbench in a sliding mode, the installation seat assembly is provided with an installation part, and the installation part is used for installing an abrasive belt; and the rotating fixing device comprises a rotating assembly used for containing the magnetic pole, and the rotating assembly drives the magnetic pole to rotate to make contact with the abrasive belt when rotating. The utility model aims to improve the grinding uniformity and the grinding adaptability.

The utility model discloses a plate heat exchanger structure which comprises a main body, a connecting device installed on the right side of the main body, a positioning rod installed on the left side of the connecting device, a heat exchange plate installed on the positioning rod, a clamping plate installed on the left side of the heat exchange plate, a connecting plate installed on the clamping plate, a rotating shaft installed on the connecting plate and a connecting bearing installed on the rotating shaft. A fixing lock is installed on the left side of the connecting bearing, and a rotating handle is installed on the left side of the fixing lock. According to the plate heat exchanger structure, in the aspect of heat exchange, the ventilation grooves of the heat exchange plates are evenly distributed, the contact area with air or fluid can be increased so as to improve the heat exchange efficiency, the design of ventilation openings and sealing strips can ensure the sealing performance and smooth heat exchange, and the design of rubber plates can improve the sealing performance and ensure stable heat exchange; in the aspects of connection and installation, the connecting flange is conveniently connected with the air conveying pipeline, the sealing rubber ring on the inner side of the pipeline enhances sealing performance, installation difficulty is reduced, connection reliability is improved, and the positioning rod ensures accurate displacement of the clamping plate so as to reduce installation errors.

The utility model relates to the technical field of clothes hanger testing equipment, in particular to a film stretching testing device which comprises an upper clamping part and a lower clamping part, the upper clamping part is driven by a lifting screw rod part to ascend and descend, the lower clamping part is fixed on a base, and the upper clamping part and the lower clamping part respectively clamp two ends of a film. The upper clamping part is driven by the lifting screw rod part to lift to carry out a tensile test, the upper clamping part is provided with a clamping opening, and clamping plates are symmetrically mounted in the clamping opening. According to the film tensile test device, the turnover clamping plates are symmetrically mounted in the clamping opening formed in the upper clamping part, and the clamping plates are driven by the driving assembly to be mutually clamped or opened, so that the two ends of the film can be firmly clamped. Compared with a traditional fixing mode, the adjustable clamping structure can adapt to soft rubber sheets with different sizes and shapes, the phenomenon that the rubber sheets slip off in the tensile test process due to infirm clamping is avoided, and the accuracy and reliability of test data are ensured.

The invention provides a geological hammer for geological exploration, and relates to the technical field of geological exploration tools, and the geological hammer comprises a hammer handle, a telescopic mechanism arranged in the hammer handle in a penetrating manner, and a hammer head assembly connected with the telescopic end of the telescopic mechanism; the hammer head assembly comprises a connecting block, a plane striking head and a tip striking head, wherein the plane striking head and the tip striking head are connected with the two ends of the connecting block respectively. The tip striking head is movably connected with the connecting block through a positioning mechanism, and the tip striking head can freely rotate on the connecting block; through the arrangement of the telescopic mechanism, a geological worker can adjust the distance between the hammer handle and the hammer head assembly according to the positions and hardness of different rocks and suitable operation habits of the geological worker, so that the striking distance and strength are accurately controlled, the applicability of the geological hammer in different exploration scenes is flexibly improved, and when the geological hammer is not used, the geological hammer is convenient to use. And the hammer head assembly can be rapidly retracted, the overall length of the geological hammer is effectively reduced, and carrying is convenient.