328results about How to "Avoid clamping" patented technology

The invention discloses a device for taking a scallop by opening a scallop shell. The device comprises a rack, wherein the rack is provided with a runner; a wheel surface of the runner is provided with scallop clamping mechanism at an interval; the rack is provided with a motor; the motor is connected with a cutting blade; the cutting blade is located above the wheel surface of the runner; the rack is provided with a blade sleeve and the blade sleeve is opposite to the wheel surface of the runner; a scraping and cutting blade is mounted on a tool apron and stretches into the blade sleeve; the tool apron is connected with an air cylinder mounted on the rack; a first water spraying pipe is aligned to a wheel surface of the lower side of the runner. The device disclosed by the invention ensures that the scallop shell is safely opened to take out the scallop, is high in automation degree and is convenient to use.

The invention provides a dual-mode synchronous rectification control circuit for a DCM and a CCM, belonging to the technical field of power management. The structure of the circuit is simple, the rectification conduction loss can be effectively reduced, and high efficiency of synchronous rectification is realized. Minimum dead time control is realized by a second negative level detector. A turn-off time shielding module prevents the wrong turn-on of a synchronous rectifier tube M2, and a turn-on time shielding module prevents the wrong turn-off of the synchronous rectifier tube M2. Drain electrodes of LDMOS and DEMOS high voltage devices are used by a first sampling end to bear high voltage, the clamping of a drain end VD of the synchronous rectifier tube M2 by a Zener is avoided, and the current leakage to the ground by the drain end VD of the synchronous rectifier tube M2 is prevented. The high efficiency of synchronous rectification is realized by the above measures together. In addition, a synchronous control module is introduced, and the synchronous rectification in a current continuous mode CCM is realized.

The invention discloses a prepuce ring-cutter, which consists of tightening device and balan loop, wherein two or more first flutes are set on the external edge of balan loop, which forms first projection, two or more second projections are formed in the tightening device, which mate the first flute, the second flute is formed in the second projection, which mates the first projection to contain drug liquid in the cavity, the drug injecting channel is opened on the tightening device, which connects cavity.

The invention provides an electric heating cutting type strawberry picking terminal executor and a corresponding picking mechanism and a method, and relates to the field of an agricultural picking robot; the electric heating cutting type strawberry picking terminal executor is composed of a terminal executor, a corrugated pipe, a containing box, a moving platform and a lifting mechanism, wherein the terminal executor further comprises a stepping motor, an L-shaped installing plate, a ball screw, an electric heating wire power supplier, an air cylinder, a limiting switch, a side vertical plate, a Kinect sensor, a light supplementing unit, a right electric heating wire cutter blade, a left electric heating wire cutter blade, a terminal telescopic plate, a connector, a slide rail and an installing disk. The cutting place of a strawberry fruit stem is coagulated for being heated, and water loss can be effectively prevented; through acquiring and sensing the working environment and strawberry information in real time through fusing information of multiple sensors, the full automatic strawberry harvesting work is realized during the processes of aligning fruits, closing to the fruit stem and electric heating cutting on the basis of not damaging the strawberry; besides, the terminal executor also solves the technical difficulties that the manual strawberry picking wastes time and labor, and the strawberry picking is easy to get injury and water is easy to loss.

The invention discloses a clamping jaw mechanism controlled by a servo electric cylinder. The clamping claw mechanism comprises a clamping jaw fixing base and a motor base, wherein an electric cylinder is fixedly arranged between the clamping jaw fixing base and the motor base; a movable bracket is arranged at a top end of the electric cylinder; first connecting rods and second connecting rods aresymmetrically arranged on both sides of the motor base; front clamping pieces are arranged between other ends of the first connecting rod and the second connecting rod on the same side; rubber blocksare arranged on opposite outer surfaces of the two clamping pieces; air bags are embedded into top ends of the rubber blocks; and pressure sensors are arranged inside the front clamping pieces. According to the clamping jaw mechanism controlled by the servo electric cylinder disclosed by the invention, pressure sensors are arranged at back ends of the rubber blocks, and can be used for detectingthe pressure on the surface of an object to be clamped by the rubber blocks, so that the situation of over large or over small clamping force is avoided. Moreover, the air bags are arranged at the front ends of the rubber blocks, and nickel-titanium meshes are arranged inside the rubber blocks, so that the clamping jaw mechanism can fit closely with the surfaces of the objects of different shapesto be clamped, and the adaptability of the device is improved.

The invention relates to the technical field of plate processing, and discloses cutting and polishing integrated equipment for poplar wood processing. The cutting and polishing integrated equipment comprises a base, wherein two grinding mechanisms are fixedly installed on the top of the base, the top of the base is fixedly provided with two vertical plates, a fixing plate is fixedly installed between adjacent side faces of the two vertical plates, a straight rack is arranged on the front surface of the fixing plate, a top plate is fixedly installed between the top ends of the two vertical plates, a sliding groove is arranged at the bottom of the top plate, a sliding plate is clamped in the sliding groove, and a rotating rod is rotatably connected with the bottom of the sliding plate through a first fixing bearing. The cutting and polishing integrated equipment solves the problems that existing wood board cutting equipment is low in wood board cutting efficiency and poor in corner smoothness, has no polishing function, increased equipment can improve input cost and the work efficiency is low, and achieves the effects of integrated processing, improving work efficiency, saving inputcost and high processing quality.

The invention discloses a manufacturing method of a vapor compressor diffuser, which comprises the following steps: a. rough heat treatment; b. rough turning of the diffuser big end, outer circle, inner hole and first stepped surface; c. rough turning The small end, outer circle, inner hole and the second step surface of the diffuser; d, the large end, outer circle, inner hole and the first step surface of the semi-finishing diffuser; Milling blades, after finishing milling, send three-coordinate inspection; f, after passing the inspection, finish turning the end surface and inner hole of the small end of the diffuser; g, finishing turning the end surface and inner hole of the large end of the diffuser; h, marking and drilling Use the center line for alignment, drill and tap; i, file and repair the bottom of the blade flow path; j, conduct a penetration test on the blade. The invention has the advantages of high profile of blade profile, high requirements on flatness and verticality of end faces, and good process performance.

The invention discloses a pipeline cultivation leafy vegetable harvesting device and method. The device is provided with a pipeline conveyor and a flowering Chinese cabbage conveyor which are connected; at least one group of grabbing manipulator and at least one group of root cutting mechanism are arranged at the joint of a conveying platform of the pipeline conveyor and a conveying platform of the flowering Chinese cabbage conveyor; vegetable root collectors are arranged at one sides of the grabbing manipulators; a cultivation tank is conveyed by the pipeline conveyor; two guide positioning mechanisms for righting and positioning leafy vegetables are symmetrically arranged at the two sides of the pipeline conveyor; and the guide positioning mechanisms are arranged in front of the grabbingmanipulators in the conveying direction of the cultivation tank. The method includes the steps of continuously conveying the cultivation tank with the leafy vegetables by the pipeline conveyor; righting and positioning the leafy vegetables by the guide positioning mechanisms firstly; then clamping the leafy vegetables by the grabbing manipulators; cutting and separating by the root cutting mechanisms; conveying out the separated flowering Chinese cabbage by the flowering Chinese cabbage conveyor; and collecting rhizomes and roots falling into the vegetable root collectors. According to the pipeline cultivation leafy vegetable harvesting device and method, efficient and damage-free harvesting of the pipeline cultivation leafy vegetables can be well achieved.

The invention discloses a cutting device for electrical equipment production. The cutting device comprises a movable framework, a longitudinal clamping assembly, a transverse clamping assembly, a workpiece moving assembly, a pre-bearing table, a movable cutting assembly and a top beam, wherein the longitudinal clamping assembly and the transverse clamping assembly are arranged at the interior of the movable framework, the transverse clamping assembly comprises two transverse clamping plates which are synchronously and reversely moved in sliding grooves, a longitudinal clamping assembly is arranged on each of the two transverse clamping plates, ech longitudinal clamping assembly comprises two longitudinal clamping plates which are synchronously and reversely moved, the pre-bearing table isfixed on the bottom end surface of the movable framework between the two transverse clamping plates through a side plate, the pre-bearing table comprises a pre-bearing plate and a limiting strip, andlifting plates used for lifting a to-be-cut workpiece on the pre-bearing plate are fixed at the bottom ends of the opposite side surfaces of the two transverse clamping plates. The cutting device forthe electrical equipment production has the advantages of being reasonable in structural design, practical, reliable and the like, and can be widely popularized and used.

The invention discloses a machining and positioning device for lining holes at two ends of connecting rod. The positioning device comprises a pressing mechanism, a bottom plate, a V-shaped support(10)fixed on the bottom plate, a floating support(9), a first bottom support(7), a second bottom support(8), and a side positioning block(1), the V-shaped support(10) is used for supporting and positioning the small head end of the connecting rod to be machined, the floating support(9) is arranged at the small head end of the to-be-machined connecting rod, the first bottom support(7) and the second bottom support(8) are arranged at the large head end of the to-be-machined connecting rod, the side positioning block(1) is arranged on one side of the large head end of the connecting rod to be machined, and the pressing mechanism presses and positions the large head end and the small head end of the connecting rod to be machined. The machining and positioning precision of the connecting rod sizehead hole can be improved, the accumulative error and the clamping and machining deformation are effectively avoided, the connecting rod large-head hole is ensured, the size and shape position precision of the small-head bushing hole are high, the precision is stable, the consistency is better controlled, and a good effect is achieved.

The invention relates to a medical intervention catheter or guide wire fixing clip. The clip comprises an upper clip body, a lower clip body, a rotating shaft and a torsional spring, wherein the upper clip body and the lower clip body respectively comprise a clamping part at the front end and a handle part at the rear end; the middles of the upper and lower clips are hinged through the rotating shaft; the torsional spring is arranged on the rotating shaft in a sleeving manner; one end of the torsional spring is connected with the handle part at the rear end of the upper clip body, and the other end of the torsional spring is connected with the handle part at the rear end of the lower clip body; a clamping cavity is formed between the clamping parts of the upper and lower clip bodies; front and back parts of the clamping cavity are joint parts of the two clamping parts; an upper half sponge body and a lower half sponge body, which correspond to the upper clip body and the lower clip body, are embedded in the clamping cavity; the two half sponge bodies are compressed together under a normal state; the surfaces, corresponding to sponge body mounting positions, of the clamping parts of the upper and lower clip bodies are provided with a plurality of wetting through holes. The fixing clip is simple in structure and high in clinical practicability, does not damage a catheter or a guide wire, fixes the catheter or the guide wire firmly, can wet the guide wire, provides great convenience for clinical interventional operation, and is suitable for implementation.

The invention relates to a polishing device for an arc-shaped slot array antenna mounting plate. The polishing device is characterized in that each conveying mechanism comprises a pair of parallel conveying wheels used for conveying the antenna mounting plate, the distance between the conveying wheels is adjustable, the conveying wheels are connected with driving motors, and multiple sets of conveying mechanisms are arranged; at least one set of inner cambered surface polishing mechanisms are arranged, each inner cambered surface polishing mechanism comprises a portal frame and a rotating part, a plurality of polishing brushes are uniformly arranged on each rotating part along the circumference, and the distance between the head of each polishing brush and a rotating shaft of the corresponding rotating part is adjustable; and at least one set of outer cambered surface polishing mechanisms are located between the conveying mechanisms, at least one set of conveying mechanisms are arranged between the inner cambered surface polishing mechanisms and the outer cambered surface polishing mechanisms, each outer cambered surface polishing mechanism comprises an outer ring base and an innerring coaxially and rotationally arranged in the outer ring base, a lifting mechanism is arranged at the bottom of each outer ring base, a plurality of polishing brushes are evenly arranged on the inner wall of each inner ring in the circumferential direction, and the positions of the polishing brushes in the normal direction of the corresponding inner ring are adjustable. According to the polishing device, mounting plates of different thicknesses and different structures can be polished, and the polishing efficiency is high.

The invention discloses a device and a method for maintaining and cleaning isolating switches. The device comprises a frame and a plurality of insulating rods. Universal self-locking rollers are arranged at the bottom of the frame, two symmetric slide rail mechanisms are arranged on the frame, each slide rail mechanism comprises two slide rails, the slide rails of each slide rail mechanism are symmetrically arranged on the frame, a slider is arranged between each two corresponding slide rails, a limiting stopper is arranged between the upper portions of each two corresponding slide rails, insulating rod angle and tightness adjusting mechanisms are arranged on the limiting stoppers, the sliders are provided with insulating rod tightness adjusting mechanisms, electric push-pull rods which are connected with the sliders are arranged in the frame, a detecting mechanism is arranged at an end of each insulating rod, gear motors are arranged at the upper ends of the insulating rods, and driving shafts of the gear motors are fixedly connected with cleaning mechanisms. The device and the method have the advantages that workers can maintain and clean the isolating switches in a live-line manner without climbing the rods, the device is high in detection efficiency and good in service safety performance, and the time and labor can be saved.

The invention discloses an online detection device for sulfur hexafluoride gas of a charged high-altitude circuit breaker and a detection method. The online detection device comprises a frame body with universal self-locking roller wheels at the bottom part and a plurality of operating rods, wherein the frame body is provided with two symmetrical sliding-way mechanisms; each sliding-way mechanism comprises two sliding rails symmetrically arranged on the frame body; a sliding block is arranged between the sliding rails; a limiting block is arranged between the upper parts of the two sliding rails and is provided with an angle and tightness adjusting mechanisms of the operating rods; the sliding block is provided with a tightness adjusting mechanism of the operating rods; the frame body is internally provided with an electric pushing-pulling rod connected with the sliding block; and one end of each operating rod is provided with a detecting mechanism. The online detection device and the detection method disclosed by the invention have advantages that the pointing angles of the operating rods are conveniently adjusted, and convenience is brought for online horizontal-vertical detection of high-altitude power equipment with 360-degree rotation by maintainers.

The invention discloses a stacking, loading and carrying device for hollow bricks. The stacking, loading and carrying device comprises a supporting frame, clamping devices and lifting devices, whereinthe supporting frame is arranged at the driven end of a mechanical arm; the lifting devices are linearly arranged below the supporting frame at intervals; the clamping devices are separately arrangedon the lifting devices; each clamping device comprises an ejecting plate and a plurality of clamping mechanisms; the ejecting plates are parallel to the placement surface of the hollow bricks; the clamping mechanisms separately correspondingly extend into hollow holes of the hollow bricks; and the clamping mechanisms are tightly abutted against the inner walls of the hollow holes. The hollow holes of the hollow bricks are clamped by the clamping mechanisms, so that the damage to the appearances of the hollow bricks can be avoided; the hollow holes of the hollow bricks are clamped, so that gaps cannot be reserved between bricks, and the phenomena of scattering, missed clamping and unstable clamping are effectively prevented; and the hollow holes are clamped, so that the hollow bricks can still be neatly placed when being carried from the stacking part to a truck, and the brick scattering is avoided.

The invention discloses a tubing fixing assembly, and a tubing detection apparatus and method. The tubing fixing assembly includes two relatively arranged tubing support mechanisms, wherein each tubing support mechanism includes a support pedestal, two rotating shafts, a rotation motor and supporting wheels; the rotating shafts penetrate the support pedestal, and are connected through a chain or a conveyor belt; the rotation motor is arranged at one side of the support pedestal, and is used for driving any one rotating shaft to rotate; the supporting wheels are fixed on the rotating shafts and at the end portion of the other side of the support pedestal; and the supporting wheels of the two tubing support mechanisms are arranged oppositely. The tubing fixing assembly has the advantages of being simple and quick in mounting, having low requirement for machining accuracy, and avoiding damaging quartz glass tubes.

The invention discloses a device and a method for improving pore-forming efficiency and anchoring performance of a roadway base plate anchor rod anchor cable. The device comprises a special drill rod, a connecting rod and a rod taking device. The special drill rod is successively utilized to perform twice drilling operations and reserved in a hole after the operations of the special drill rod are finished, then a common drill rod is inserted into the inner cavity of the special drill rod to continue to perform drilling till the designed depth is reached, the common drill rod is taken out, an anchoring agent is placed into the hole, an anchor rod or the anchor cable is installed, and finally the special drill rod is taken out through the rod taking device. When the device and the method are adopted to perform drilling and installation of the anchor rod or the anchor cable, the special drill rod is always reserved in the hole so that hole collapse can be effectively prevented. The smooth mud return of an anchor rod anchor cable drilling machine is ensured in the drilling process, water in mud is prevented from entering a loose fractured rock mass at the shallow portion of a base plate, accordingly rock soil is prevented from depositing at the drilling bottom, and borer clamping is avoided. The device for improving the pore-forming efficiency and the anchoring performance of the roadway base plate anchor rod anchor cable is simple in structure and convenient to use, the drilling rate reaches to 100%, the anchoring effects of the anchor rod and the anchor cable are good, the borer clamping is effectively prevented in the drilling process, and the construction efficiency is improved remarkably.

The invention discloses a microstructure resonance dual-side bending fatigue experiment device driven on electrostatic force, which comprises: an electrode connected to ac and fixed lifetime with two side arms by the bottom electrode layer, another electrode grounding, a structure layer crossed opposite to said fixed comb and connected to a suspension comb with side arms, a horizontal side arm between two fixed combs connected to the ac electrode, a T-shaped side arm between two suspension combs and with horizontal side arm connected to suspension combs and vertical side arm connected to the grounding electrode by suspension beam as the fatigue test piece. This invention improves greatly the strain level of test piece.