47results about How to "Prevent being stuck" patented technology

The invention discloses a washing machine inner barrel with a barrel wall self-cleaning function and a washing machine, wherein the inner barrel is coaxially arranged in an outer barrel of the washing machine, cleaning particles for cleaning the barrel wall are arranged between the inner barrel and the outer barrel, and the bottom of the inner barrel of the washing machine is externally provided with particle moving spaces for charging the cleaning particles and leading the cleaning particles to move along with water flow to obtain a moving acceleration so as to clean the wall between the bottom of the inner barrel and the bottom of the outer barrel by means of collision and friction. The particle moving spaces are a plurality of groove spaces formed by strengthening ribs outside the bottom of the inner barrel, the gaps between the strengthening ribs and the bottom of the outer barrel can lead the cleaning particles to be charged along with the water flow, and the sizes of groove spaces can lead at least five of cleaning particles to be put. The washing machine inner barrel and the washing machine disclosed by the invention are simple in structure, and the design and the distribution of the strengthening ribs are changed when the bottom of the inner barrel is injection-molded, so that the spaces for the cleaning particles to move along with the water flow between the bottom of the inner barrel and the bottom of the outer barrel exist, the material cost can not be additively increased, and the strength of the inner barrel can not be reduced.

The invention relates to a double-shield TBM getting stuck prevention method. After geological conditions are accurately grasped, a double-shield TBM is subjected to risk prevention and control or improvement, risk prevention and control of the double-shield TBM are to ensure that the TBM efficiently and continuously tunnels, or guarantee a good TBM gesture, or reasonable tunneling parameters areselected, or the expanding and mining amount is increased, or a single-shield tunneling mode is reasonably adopted, or the combination of one or more kinds of advanced fastening stratum processing isconducted; the TBM is subjected to the combination of one or more kinds of cutter improvement, or shield body improvement, or torque increasing or thrust increasing. The problem that the double-shieldTBM easily gets stuck in the construction process is solved.

The invention provides an intelligent multi-functional sewing machine and particularly relates to the technical field of sewing machine manufacturing. The intelligent multi-functional sewing machine is characterized in that a composite transmission wheel is fixed on a rear output shaft and equipped with a swinging column; the swinging column is positioned, runs and transfers a swinging source inside the front positioning part of a rotating connecting fork rod, as well as is driven by a driving source to be positioned, idle and perform thread trimming, thread loosening and presser foot liftingactions on the propping circular arc-shaped surface of the rotating connecting fork rod; a presser foot lifting cam component is rotationally propped against a presser foot lifting ejector plate; thepresser foot lifting ejector plate acts on a presser foot lifting ejector rod so as to lift a presser foot; a thread loosening salient point has the function of triggering a thread loosening device ejector rod; a thread trimming crank, namely a pushing component, is mounted and fixed on a front output shaft; and a rotating ball arranged on the thread trimming crank runs and performs thread trimming action in a thread trimming cam. According to the intelligent multi-functional sewing machine, the four actions of presser foot lifting, thread loosening, reinforcing and back-and-forth sewing, as well as thread trimming are controlled through a motor, so that the sewing machine production cost can be greatly reduced, and the problem that the sewing machine manufacturing cost and the noise are high because electromagnets are adopted for thread loosening can be effectively solved.

The invention discloses a large freight vehicle tail anti-impact device which comprises a front face impact board. An oblique board is arranged at the upper end of the front face impact board. A height adjusting mechanism fixed to the tail end of a vehicle girder is arranged on the inner side of the oblique board. A connecting frame is arranged on the inner wall face of the front face impact board. A limiting buffering mechanism located on the two sides of the tail of the vehicle girder is hinged to the two ends of the connecting frame and located on the inner side of the height adjusting mechanism. The limiting buffering mechanism comprises two bases fixed to the vehicle girder. A horizontal guide rod is arranged between the two bases and sleeved with a horizontal sliding seat. The horizontal sliding seat is hinged to the connecting frame. A buffer spring is further arranged on the side face of the horizontal sliding seat, wherein the horizontal guide rod is sleeved with the buffer spring. The large freight vehicle tail anti-impact device has the beneficial effects that the safety protection performance can be improved.

The invention relates to a drilling resistivity advanced detection device used for a TBM and a detection method thereof. The detection device comprises an external bushing, an internal transmission rod, electrodes, a rotating bearing and a position limiting device. The internal circle of the rotating bearing sleeves the internal transmission rod. The electrodes are arranged in the electrode accommodating parts in the external bushing, and the head parts face the external side of the side wall of the external bushing. The rear parts of the electrodes are connected with one end of electrode compression leads. The other end of the electrode compression leads is connected with the external circle of the rotating bearing. The rear ends of the electrodes are provided with springs. The position limiting device comprises an external bushing blocking part and an internal transmission rod protruding part which are matched with each other. When the protruding part and the blocking part have an overlapped part, the external bushing stops axial relative movement of the internal transmission rod. When the positions of protruding part and the blocking part are staggered, the internal transmission rod and the external bushing are in the axial free movement state.

The invention disclsoes a guide roller device, which comprises a transfer part, multiple first rollers, multiple second rollers, a belt, a second roller moving part, a first roller rotating part, a torque sensor, and a control part. The transfer part transfers objects along a transfer direction. The first rollers are separately arranged in the side parts of the objects along the transfer direction to transfer the objects in the transfer direction. The second rollers are arranged between the first rollers neighboring along the side parts of the objects. The belt is wound on the first and second rollers. The second roller moving part reciprocates the second rollers in a direction to be closed to or to be escaped from the objects.

The invention provides an intelligent multifunctional sewing machine, and particularly relates to the technical field of sewing machine manufacturing. The intelligent multifunctional sewing machine comprises a driving source, a thread cutting crank and a thread cutting cam. The intelligent multifunctional sewing machine is characterized in that the driving source drives a rotary ball of the threadcutting cam to apply rotation force on the thread cutting action face to cut a thread, and the driving source drives the rotary ball of the thread cutting cam to operate to push the thread cutting return face. The intelligent multifunctional sewing machine provided by the invention has the advantages that after a thread cutting mechanism finishes thread cutting in a single direction, the intelligent multifunctional sewing machine is provided with the assisted-reset arrangement for preventing the mechanism from being clamped, the situation that needle breakage of a clamping knife at the clamping position is avoided, and the performance of the sewing machine is more stable and reliable.

The invention relates to the technical field of goods sorting, in particular to a trade area goods circulation sorting device. The device comprises a lane changing structure and a conveying mechanism,wherein the lane changing mechanism comprises lane changing baffles, belt wheel shafts and chain wheels, the two lane changing baffles are fixedly connected to the upper ends of the two belt wheel shafts correspondingly, the chain wheels are fixedly connected to the bottom end of the belt wheel shaft at the right end, and the two belt wheel shafts are in transmission through a belt; and the conveying mechanism comprises a screening conveying belt and a conveying belt baffle, the conveying belt baffle is fixedly connected to the screening conveying belt, and the two belt wheel shafts are bothrotationally connected to the screening conveying belt. The device has the beneficial effects that goods can be distinguished according to the weight, the distinguished goods can be distinguished again according to the size, the types of the goods are refined, and the goods can be distributed to two conveying belts.

The invention relates to an anti-blocking throw-in type draining pump of a coal-bed gas well. The anti-blocking throw-in type draining pump comprises a water extracting and draining part, a piston and a cylinder barrel, wherein the piston is sleeved with the cylinder barrel. The water extracting and draining part is driven by the piston to extract and drain water inside the coal-bed gas well. The water extracting and draining part is fixedly arranged at the bottom of the cylinder barrel. The full-stroke outer circle of the piston is in seal fit with part of the inner circle of the cylinder barrel. The anti-blocking throw-in type draining pump of the coal-bed gas well can effectively prevent the piston from being blocked and can reduce abrasion.

The invention relates to the technical field of vending machines, and discloses a material jam preventing device of a beverage vending machine. The material jam preventing device comprises a main body, wherein a selling cavity and a falling cavity are formed in the inner side of the main body, the selling cavity is positioned above the falling cavity, a semicircular pickup groove is formed in thebottom part of the falling cavity, and a sliding plate and a mounting plate are welded to the inner side of the selling cavity. According to the material jam preventing device of the beverage vendingmachine, a turntable is installed below a material storage pipe, when in use, a corresponding position is selected according to samples displayed on the front surface of the turntable; the turntable is controlled to rotate anticlockwise by means of an output shaft, beverage in the material storage pipe falls into an outer groove of the turntable, the turntable continues to rotate to transfer the beverage onto a sliding plate, the beverage falls onto the buffer plate by means of the inclined sliding plate and finally falls into the pickup groove by means of a guide plate, so that the beverage is flatly placed, the beverage rolls down by means of the inclined sliding plate, and the problems that the beverage is clamped in the falling process, the consumer cannot take commodities and sufferseconomic losses are prevented.

The invention provides a multifunctional structure of an intelligent sewing machine, and particularly relates to the technical field of sewing machine manufacturing. The multifunctional structure is characterized in that a swing column operates in a swing positioning groove of a rotary connecting fork rod, a driving source drives the swing column to perform positioning idling on an abutting arc surface of the rotary connecting fork rod to perform thread trimming, thread loosening and presser foot lifting actions, a composite transmission wheel is further provided with a presser foot lifting cam part, the presser foot lifting cam part abuts against a presser foot lifting top plate in a rotating mode, the presser foot lifting top plate acts on a presser foot lifting top rod to achieve presser foot lifting, the composite transmission wheel is further provided with a thread loosening protruding point, and the thread loosening protruding point is used for triggering a thread loosening device ejector rod. According to the multifunctional structure of the intelligent sewing machine, the problems of high manufacturing cost and high noise of the sewing machine due to adoption of an electromagnet for thread loosening are effectively solved, a purely mechanical thread loosening scheme is ingeniously combined with the presser foot lifting mechanism and a reinforcing seam free sewing pattern stitch length automatic adjusting mechanism, and the excellent technical effect that four sewing actions are achieved under one motor is achieved.

The invention discloses a balance capability training device for rats with brain injury. The device comprises an outer frame bracket, a console and a plurality of training cages, wherein the console is connected to the outer side of the outer frame bracket; the training cages are arranged abreast in the outer frame bracket, and comprise at least one ordinary training cage and at least one forward and backward balance training cage; a treadmill is arranged in each training cage; a forward and backward swinging regulation mechanism is arranged below the forward and backward balance training cage; the console is electrically connected with each treadmill and the forward and backward balance regulation mechanism. The device can be used for simplex treadmill training and implementing a feeling-balance-motion multifunctional habilitation training mode, the experimental requirements of a researcher can be met, and an advanced animal experiment means can be provided for researches on the neural mechanism rehabilitation of brain injury diseases.

The invention discloses an integrated feeling-balance-motion training device for rats with brain injury. The device comprises an outer frame bracket, a console and a plurality of training cages, wherein the console is connected to the outer side of the outer frame bracket; the training cages are arranged abreast in the outer frame bracket, and comprise at least one forward and backward balance training cage and at least one leftward and rightward balance training cage; a treadmill is arranged in each training cage; a forward and backward swinging regulation mechanism is arranged below the forward and backward balance training cage; a leftward and rightward swinging regulation mechanism is arranged below the leftward and backward balance training cage; the console is electrically connected with each treadmill, the forward and backward balance regulation mechanism and the leftward and rightward swinging regulation mechanism. The device can be used for simplex treadmill training and implementing a feeling-balance-motion multifunctional habilitation training mode, the experimental requirements of a researcher can be met, and an advanced animal experiment means can be provided for researches on the neural mechanism rehabilitation of brain injury diseases.

The invention discloses a cutting device of a box frame riveting die. A rectangular frame is movably hinged to the right side of the upper surface of a base through a hinge support; an object placingplate is fixedly arranged, right below a cutting wheel, on the upper surface of the base; a right clamping plate is fixedly arranged on the right side of the top of the object placing plate; a left clamping plate is movably arranged on the left side of the top of the object placing plate; semicircular through grooves are formed in the inner sides of a right clamping plate and a left clamping plate; and a driven roller and a driving roller are in transmission connection through a conveying belt. The cutting wheel can move up and down in the rectangular frame, so that the upper position and thelower position of a cutting gear can be adjusted in the actual operation process, the cutting gear is prevented from being clamped in the cutting part, and a phenomenon that the driving motor is burntis avoided; the left clamping plate and the right clamping plate can clamp and fix the parts to be cut, so that the deviation of the position of the cutting part during the cutting process is prevented, and the cutting quality of the end face of the cutting part is guaranteed.

The invention discloses a medical walking stick with lifting and anti-skid functions. The medical walking stick comprises an axilla support and a supporting column, and also comprises an adjusting mechanism used for adjusting the height of the medical walking stick, and an anti-skid mechanism, wherein the adjusting mechanism is arranged below the axilla support; the supporting column is arranged below the adjusting mechanism; the anti-skid mechanism is arranged on the supporting column; a retractable anti-skid supporting rod is arranged on the anti-skid mechanism; and a control switch used forcontrolling the anti-skid mechanism is arranged on the side surface of the axilla support. The medical walking stick with the lifting and anti-skid functions provided by the invention has the following advantages: the anti-skid function is high; through anti-skid arrangement, the medical walking stick can be automatically folded and unfolded according to different external environments and conditions; the use is flexible and convenient; meanwhile, the height of the walking stick can be adjusted; and high universality is achieved.

The invention relates to an automobile tire, and particularly discloses a prick-proof automobile tire. The automobile tire comprises a felly, a spoke, a shaft hole and a tire skin, wherein the spoke is fixed in the felly, and the shaft hole is formed in the center of the spoke; the tire skin is sleeved on the felly, an inner tire is arranged between the tire skin and the felly, and the inner wall of the tire skin is fixedly connected with a prick-proof steel ring; a clamping groove is arranged on the tire skin, the prick-proof steel ring is embedded into the clamping groove so as to be fixedly connected with the tire skin, and radiating holes are formed in the prick-proof steel ring. The prick-proof automobile tire provided by the invention has the advantages that the inner tire is prevented from pricking, the time is saved, and the effect of the running process is improved.

The invention provides a coring drilling tool with compressed air as a conveying medium and a scouring medium. The coring drilling tool comprises a coring device and an auxiliary device; the auxiliary device comprises a drill rod and a positioning ring arranged in the drill rod; the coring device comprises a rod body, a penetrating mechanism, a sealing ring and a suspension ring; the rod body is sleeved with the drill rod; a gas circulation channel is formed in the rod body; a gas hole is formed in the side wall of the middle of the rod body and communicates with the gas circulation channel; the penetrating mechanism is arranged in the rod body and used for controlling opening and closing of the gas hole and the gas circulation channel; the rod body is sleeved with the sealing ring, and the sealing ring is used for guaranteeing the sealing performance of the rod body and the drill rod; and the suspension ring is connected to the end of the rod body. In the propelling process of the coring device, the suspension ring abuts against the positioning ring. According to the coring drilling tool, the compressed air serves as the conveying medium and the scouring medium, a rock core and a rock core tube are protected, waste gas of a down-the-hole hammer is prevented from blowing away the rock core, and powder slag is prevented from being accumulated between a hammer head and the rock core tube; and the compressed air serves as the scouring medium, water resources are saved, and the environment is protected.

The invention discloses an elevator system and control method for improving elevator safety. The elevator system comprises an elevator body, a detection assembly and safety tongs, a car of the elevator body is slidably connected with an elevator shaft, a traction machine is rotatably connected with the car and a counterweight through a pull rope, a speed limiter is mounted on one side of a car body, a first photoelectric sensor and a tachometer wheel are arranged on one side of the car body, multiple temperature sensors and multiple smoke sensors of the detection assembly are mounted on different floors of the elevator shaft, and temperature and smoke information of the different floors can be obtained. When the fire requirement is met, a control system drives the traction machine to lowerthe car body at a constant speed and sends distance information of a safety floor to a circuit board, the circuit board calculates the moving distance and triggers the safety tongs to carry out braking, the car body can stop on the safety floor, people can escape, and therefore the safety of people in a fire disaster can be guaranteed.

The invention discloses a grinding assembly of a food waste disposer. The grinding assembly comprises a grinding ring and a grinding disc which cooperate with each other, and the grinding disc is provided with a tool bit capable of being suspended in a limiting mode. The tool bit capable of suspended in the limiting mode can float within a certain range, and when the food waste disposer disposes waste, due to the fact that the tool bit can be suspended, the tool bit can bypass certain large waste or accumulated waste, and the tool bit is prevented from being clamped. According to the grinding assembly, the tool bit adopts a suspensible design structure, so that the tool bit can be effectively prevented from being clamped, and the disposal effect of the food waste disposer is ensured.