68results about How to "Easy to get rid of" patented technology

The invention provides a novel all-steel mud-field tire, and belongs to the field of tires. Through the adoption of the novel all-steel mud-field tire disclosed by the invention, improving tire strength is facilitated, impact resistance and durability of the tire are improved, and the service life of the tire is prolonged. A longitudinal section of the all-steel mud-field tire comprises a tire crown (1), a tire shoulder (2), a tire sidewall (3), a tire bead (6), and a tire body (4), wherein the tire crown (1) is located on the outer side of the upper part of the longitudinal section; the tire shoulder (2) is connected with the tire crown (1); the tire sidewall (3) is connected with the tire shoulder (2); the tire bead (6) connected with a wheel rim is arranged at the lower part of the tire sidewall (3); the tire body (4) is located on the inner side of the section of the tire; a tire shoulder pad (21) is arranged on the tire shoulder (2); a convex rib (31) is circumferentially and annularly arranged on the outer part of the tire sidewall (3); and the tire body (4) is a layer of all-steel tire body.

The invention discloses a method for the preparation of menthone. A palladium-ruthenium catalyst is used for heterogeneous catalysis under mild conditions, and isopulegol is used for the preparation of the menthone. The palladium-ruthenium catalyst can be used for efficiently catalyzing the isopulegol and making the isopulegol convert into menthone under the mild conditions.

The invention particularly discloses a skewed slot stator iron core non-pull overlying device. The skewed slot stator iron core non-pull overlying device resolves the problem that an existing stator iron core overlying device damages an iron core easily in a pulling mode during the process of making bodiless lacquerware, and quality is not easy to control. The skewed slot stator iron core non-pull overlying device comprises an overlying base, wherein a column-shaped core cylinder is arranged on the overlying base, a plurality of taper slots which are vertically arranged are radially formed in the outer circumferential face of the core cylinder in an evenly-distributing mode, skewed wedges and locating taper keys are arranged inside the taper slot at intervals, the skewed wedges and the locating taper keys are in clearance fit with the skewed wedges and the locating taper keys, the upper end faces of the skewed wedges are provided with jackscrews with the lower ends contacted with the upper end of the core cylinder in a screwing mode, the inner wall of the core cylinder is provided with a fastening bolt which is fixed with the skewed wedges in a screwing mode, and the outer sides of the locating screwed keys are of a spiral structure which is matched with a stator core skewed slot. By the combination of advantages of the stator iron core of a skewed slot structure, and through a novel structure, overlying of stator iron core of the skewed slot structure is achieved, the angle of an skewed slot can be effectively guaranteed, the quality is easy to control, the process of making bodiless lacquerware is easy to achieve, and the iron core is not pulled easily, and besides, the skewed slot stator iron core non-pull overlying device has the advantages of being simple in structure, convenient to operate, and low in cost.

The invention discloses a cleaning device for a blackboard eraser. By arranging the cleaning device and arranging a plastic brush on the outer side of the cleaning device, when a motor drives the cleaning device to rotate, the plastic brush on the outer side can sweep down chalk dust on a brush of the blackboard eraser, and a cleaning chamber is in the closed state, so that the situation that dust is diffused and consequentially people inhale a large quantity of the chalk dust is avoided, and the health of people is facilitated. By arranging the blackboard eraser in an arc shape and arranging a connection rod on the back face of a shell of the blackboard eraser, the connection rod can be fixed into a threaded hole in the cleaning device, and thus the situation the blackboard eraser is prone to being thrown away due to infirm fastening when the blackboard eraser rotates at a high speed is avoided. By additionally arranging a water tank above the cleaning chamber and using a nozzle for spraying water onto the blackboard eraser, the cleanliness of the blackboard eraser is convenient to improve. By arranging a drying chamber, when the blackboard eraser is sprayed and washed with water, the blackboard eraser can be placed into the drying chamber and rapidly dried by starting an electric heating plate and a fan, and teachers use the blackboard eraser without being affected.

The invention provides a processing method of green bud tea. The processing method comprises the steps of fresh bud picking, withering, steam deactivation, fine hair removing, shaping, final roasting and fragrance extracting with big fire, and then a green bud tea finished product is obtained. According to the processing method, the green bud tea processing steps are all optimized, the green bud tea deactivation method is especially renovated, mechanical degree is high, and tea leaf automatic production is facilitated. According to the green bud tea prepared by the method, buds are complete, leaf bottoms are emerald-green, tea color is light-green and bright, the specific fragrance and flavor of the steam-deactivation greed bud tea are achieved, and color, aroma and taste of the green bud tea are all great.

The invention provides a detachable spring coil which includes a guide-in sheath, a pushing system and a spring coil assembly. The pushing system is located in the guide-in sheath and includes clamps.By optimizing the shape and number of the clamps and arranging a protrusion part at the proximal end of a spring coil body, the spring coil body is more tightly and firmly through the clamp fixing cooperation in normal times, so that the detachable spring coil can stably deliver the spring coil body to the position, needing thrombus occlusion, in a human body, then the spring coil body can be easily detached, instant detaching can be achieved during detaching, the operating method is simple and convenient, and damage to blood vessels is avoided; a mechanical detaching system is high in controllability and good in development on an embolization spring coil before detaching, and instant detaching can be achieved; and compared with a lock-catch-type detaching method, the detachable spring coil can enable the spring coil body to be easier to be pushed, damage to the spring coil body is avoided, and when the spring coil body is pushed out of a catheter, the catheter is not damaged when a push rod is retracted.

The invention relates to the technical field of optical fiber communication, in particular to an integrated ceramic ferrule and an optical fiber socket. The integrated ceramic ferrule comprises an inner hole, the front section of the inner hole is an optical fiber channel for fixing an optical fiber, and the tail end of the optical fiber channel is provided with an optical fiber penetration guidesection. The rear section of the inner hole is a buffer layer protection channel used for fixing an optical fiber buffer protection layer, an anti-rotation structure is arranged on the outer edge structure of the rear section of the ceramic ferrule, and a spring supporting section is arranged on the rear portion of the anti-rotation structure. According to the integrated ceramic ferrule and the optical fiber socket provided by the invention, through combination of a ceramic ferrule part and a metal tail handle part and because of reasonable structural design of an optical fiber connector, theoptical fiber connector is more compact in structure, therefore, the density of the current optical fiber connector is doubled, and preparation is made for an optical module to achieve a specificationof 800G and above in the next step.

The invention discloses an electric cabinet locking device and aims to solve the technical problem that the existing electric cabinet locking device is inconvenient to operate. According to the technical scheme, the electric cabinet locking device is composed of a lock base and a retainer lock. The lock base is provided with two prongs and a transverse locking hole behind the prongs. A lock body of the retainer lock is provided with a first mounting hole. A spring is mounted in the center of the first mounting hole. Clamp pins capable of sliding in the mounting hole are fitted to two ends of the first mounting hole respectively. After a pin fixed on the lock body penetrates an elongated hole of the clamp pin, the clamp pin is allowed to only slide left and right in the lock body without slipping off. Two ends of the lock body are provided with two locking grooves used for accommodating the two prongs. The lock base is fixed on a frame. A clamp lock part is fixed on the lower portion of a case. The center of the lock base is horizontally level with the center of the retainer lock, and the lock base and the retainer lock are in bilateral alignment symmetry. To lock the case to the frame, the retainer lock is pushed into the lock base and locked to the lock base through the spring and the clamp pin. To pull out and unlock the case, the clamp is bidirectionally compressed. With the electric cabinet locking device, an electric cabinet can be reliably locked and conveniently unlocked.

The invention discloses a thermal-type based oily sewage pipeline cleaning device and belongs to the technical field of sewage treatment. According to the thermal-type based oily sewage pipeline cleaning device, when oily sewage is discharged through a drainage pipeline, a water swelling water stop ring rapidly swells in water, and part of the oily sewage reacts with calcium oxide powder to generate calcium hydroxide, so that the dissolution of oil stains can be accelerated through alkaline calcium hydroxide, and a large amount of heat is generated; gas in a storage cavity swells and pushes open a rubber sealing sheet and then is blown out along with the rise of the temperature in the storage cavity; and by means of the reactive force during the gas discharge, the whole of a thermal-type cleaning ring can move upwards along the drainage pipeline, so that the oil stains generated on the inner wall of the drainage pipeline are cleaned; the oil stains enter an annular connecting frame andare mixed with foaming powder, and a large amount of foam can be generated, so that the foam is blown to the inner wall of the drainage pipeline, and the inner wall of the drainage pipeline can be further cleaned.

The invention relates to a preparation method of embedded double-layer bletilla striata dressing, and belongs to the technical field of biological medicines. The preparation method comprises the following steps: dissolving bletilla striata polysaccharide extracted from bletilla striata tuber in water, thus preparing a casting solution, taking part of the bletilla striata polysaccharide casting solution, carrying out treatment by adopting sodium hydroxide, thus obtaining an embedded-layer casting solution, carrying out directional freezing on the bletilla striata polysaccharide casting solutionfor film forming, carrying out groove carving on the surface of the formed film, pouring the embedded-layer casting solution on the formed film with groove carving under liquid nitrogen refrigeration, thus a double-layer formed film is obtained through refrigeration, and carrying out freeze drying on the double-layer formed film, thus obtaining the embedded double-layer bletilla striata dressing.According to the preparation method provided by the invention, the double-layer bletilla striata dressing is prepared by adopting groove carving and freezing, the combination is reliable, the processis simple, and the problems that during taking for use, the bletilla striata dressing is easily soluble, can adhere to gloves, and has difficulty in separating from the applied wound are solved. Theobtained bletilla striata dressing can be degraded and absorbed in the body, has good compatibility with the living body, and has no side effects to the wound, the directional pore structure guarantees the efficient absorption of the dressing for the penetrating fluid, and meanwhile, the dressing is soft and can not cause injuries to the wound.

The invention discloses a deep water surface casing running tool relief simulating experimental device and method. The deep water surface casing running tool relief simulating experimental device comprises an experimental frame, a low-pressure well head, a deep water surface casing running tool, a rotating motor, a lifting motor device, a coupler, a data collector and a computer. An output shaft of the rotating motor and an output shaft of the lifting motor device are provided with a torque sensor and a tension sensor correspondingly. Multiple anti-rotation pin sensing sheets are arranged in the deep water surface casing running tool. The torque sensor, the tension sensor and the multiple anti-rotation pin sensing sheets are connected with the computer through multiple data lines. By the adoption of the deep water surface casing running tool relief simulating experimental device and method, by means of experiment stress analysis of operations, such as locking, relief and recycling, conducted on the deep water surface casing running tool, basis is provided for making a plan to optimize pin arrangement, and then the safety, efficiency and accuracy of the deep water jet operation of the deep water surface casing running tool are improved.

The invention relates to a locking and releasing device for a large connecting piece and belongs to the technical field of mechanical engineering. The locking and releasing device comprises a gear nut, a constant power mechanism, an automatic centering mechanism, a lifting mechanism and a free following mechanism, wherein the constant power mechanism is used for supplying constant power to the gear nut, and the gear nut is enabled to keep consistent torque in both locking and releasing processes; the automatic centering mechanism is used for automatically adjusting the centering amount in a rotating process, the centering position is guaranteed, and a part is prevented from grinding and damage; the free following mechanism is used for guiding and supporting the part in the locking and releasing processes; the lifting mechanism is used for adjusting the high-low positions; the constant power mechanism is mounted on the automatic centering mechanism which is mounted on the free following mechanism, and the free following mechanism is mounted on the lifting mechanism. According to device, locking and releasing of the large connecting piece are simple, rapid, stable and accurate, and the problems of low assembly efficiency, inconsistent tightening torque and thread damage caused by centering and superpositioning of assembly are solved.

The invention provides a resin removing device and a removing method thereof, and relates to the technical field of resin. The resin cleaning device comprises a control system, a treatment assembly and a feedback component, wherein the treatment assembly comprises a treatment device and a driving device, the treatment device is provided with a containing cavity for containing a to-be-cleaned piece, the to-be-cleaned piece is connected with the driving device, and/or the treatment device is connected with the driving device, the driving device is in communication connection with the control system, the treatment device is used for reducing the viscosity of resin on the to-be-cleaned piece, and the feedback component is used for acquiring the position information of the to-be-cleared part and feeding back the position information to the control system. According to the resin cleaning device, the control system can control the driving device to drive the to-be-cleaned piece to rotate in the circumferential direction, so that most of redundant resin on the to-be-cleaned piece is thrown away, then under the action of the feedback assembly, the control system intelligently adjusts the position of the to-be-cleaned piece, and after viscosity reduction treatment of the treatment device, the resin of the to-be-cleaned part can be thrown away more easily, and a more intelligent cleaning technological process is achieved.

The invention relates to an anti-sticking borehole detector and solves a technical problem that the structure of a borehole detector in the prior art does not contribute to rapid borehole tripping. The detector comprises a detector fixing unit and a multi-core cable, wherein a detector core is arranged in the detector fixing unit, the multi-core cable is connected with the detector core, the detector fixing unit is connected with an electric control vibration rod through a connecting body unit, and a core of the multi-core cable is connected with a motor lead in the electric control vibrationrod through a connecting cable. The invention can be applied to the technical field of a detector.

The present invention relates to an arc welding power supply for welding pipeline. It mainly includes output transformer whose secondary has two main windings and two auxiliary windings, rectifier with radiator and four rectifying tubes which are contained in the rectifier and correspondent to the above-mentioned four windings of output transformer, and between the radiator of rectifier and cooling device formed from weatherproof ventilating shutter an air-tight device is set. Said invention can attain the goal of highly outputting voltage in the main cellulose electrode electric arc working zone and attain maximum volt-ampere characteristic oblique deascension envelope.