78results about How to "There will be no stuck" patented technology

The invention relates to the field of gauze element production and processing devices, in particular to a cutting machine with a guiding function for gauze element production and processing. The cutting machine comprises a base, supporting legs, a discharge sleeve, a cutting structure, a feeding structure, a guiding structure and a discharging structure; the cutting structure can synchronously drive the feeding structure to work while the cutting structure is working, through the setting of the feeding structure, the feeding operation can be automatically conducted on a gauze element, the workintensity of manual feeding is reduced, the cut gauze element can further be leveled and limited, namely the wrinkle of the gauze element during cutting is avoided, the deviation of the gauze elementcaused by difficult fixation of the gauze element during cutting is also avoided, the guiding structure is arrange at the top end, close to one end of the feeding structure, of the base, the gauze element entering the feeding structure can be guided, the gauze element of the feeding structure is prevented from wrinkling and deviating, the guiding structure can be adjusted, and thus gauze elementswith different width can further be guided.

The invention relates to a joint bearing flanging tool for aviation hanging parts, and a process of using the same for joint bearing flanging. The joint bearing flanging tool mainly comprises a roll, a retainer, a guide pin, a force-bearing support seat and a location support seat, wherein clearance fit is formed among the components; and the bearing flanging tool needs to be used in a manner of being matched with the flanged joint bearings in the hanging parts in specification and dimension during use. The joint bearing flanging tool is simple in structure, uniform in stress, capable of being automatically centred, stable in performance, reliable in quality, and capable of ensuring stability and smoothness during joint bearing flanging. According to the process of using the joint bearing flanging tool for bearing flanging, which is disclosed by the invention, the joint bearing flanging tool is installed on a spindle of a radial drilling machine, each flanged bearing is rotated and extruded to the required flanging dimensions through enabling the roll to contact with the groove surface of the flanged bearing. The process is stable in machining, simple to operate, short in alignment time, high in efficiency, stable in quality, and convenient for batch production.

The invention discloses a PCB double-sided board grinding device for an electronic product and a working method thereof. The device comprises a machine table, wherein a clamping seat and a grinding table are arranged on the machine table, a chip collecting box is mounted on the grinding table, the clamping seat is of a rectangular box body structure, a fixing plate is mounted in the clamping seat,a first air cylinder is further arranged in the clamping seat, and a piston rod of the first air cylinder is connected with a connecting strip. According to the device, the first cylinder piston rodis contracted, so that one mounting plate is driven to move through the connecting strip, the mounting plate drives a rod sleeve to slide on a fixing rod, then a clamping strip drives a rotating wheeland a limiting rolling wheel to rotated, the rotating wheel drives the other clamping strip to move, the two clamping strips are driven to move towards each other, and then two moving side columns are driven to move towards each other through the two mounting plates, so that the technical problem that the PCB board grinding device is prone to be stuck due to the conventional screw rod adjusting clamping in the prior art is solved.

The invention discloses an intelligent building operation and maintenance management platform. The platform includes a table body, the top surface of the table body is a table top. An alarm groove anda panel groove are formed in the table top. The alarm groove is internally provided with the alarm component. The right side of the table body is provided with a panel cavity, the panel cavity is internally provided with a panel component, and the bottom of the table body is installed on a support component; the open end of the panel cavity is sealed through a safety gate. According to the existing ergonomics theory, the support component, the alarm component and the panel component are designed and conform to the operation and observation habits of people, and thus a better monitoring and control effect is achieved. The alarm component gives an alarm through ascending and lighting and is designed in a key observation area, thereby having an effective alarm effect on users. The panel component integrates a control button which can be substantially controlled, direct control over all devices can be achieved, and thus the situation is avoided that the control is difficult and slow and cannot be achieved when something is wrong with the system.

The invention discloses tight winding equipment for RTP composite tubes. The tight winding equipment comprises a rack and two winding and unwinding frames; the two winding and unwinding frames are symmetrically arranged on the two sides of the rack; a rectangular base is mounted at the top of the rack; and a tube feeding barrel is arranged above the rectangular base. According to the tight windingequipment, connecting blocks are driven by piston rods of telescopic air cylinders to slide on kidney-shaped holes in raised lines, the connecting blocks cooperate with spring pins and rotating pinsto drive side connecting plates to move towards the RTP composite tubes, then three conveying tracks are driven to make contact with the outer walls of the RTP composite tubes, the conveying tracks are driven by second motors through driving wheels to rotate and begins to convey the RTP composite tubes, through inner structure arrangement of the tube feeding barrel, the equipment can be used for conveying the RTP composite tubes in different outer diameters, meanwhile, the three conveying tracks make contact with and convey the RTP composite tubes simultaneously, the condition of slipping of the RTP composite tubes during conveying is avoided effectively, and the conveying efficiency of the RTP composite tubes is higher through cooperation with winding and unwinding on the two sides.

The invention relates to a joint bearing flanging tool for aviation hanging parts, and a process of using the same for joint bearing flanging. The joint bearing flanging tool mainly comprises a roll, a retainer, a guide pin, a force-bearing support seat and a location support seat, wherein clearance fit is formed among the components; and the bearing flanging tool needs to be used in a manner of being matched with the flanged joint bearings in the hanging parts in specification and dimension during use. The joint bearing flanging tool is simple in structure, uniform in stress, capable of being automatically centred, stable in performance, reliable in quality, and capable of ensuring stability and smoothness during joint bearing flanging. According to the process of using the joint bearing flanging tool for bearing flanging, which is disclosed by the invention, the joint bearing flanging tool is installed on a spindle of a radial drilling machine, each flanged bearing is rotated and extruded to the required flanging dimensions through enabling the roll to contact with the groove surface of the flanged bearing. The process is stable in machining, simple to operate, short in alignment time, high in efficiency, stable in quality, and convenient for batch production.

The invention relates to a transmission mechanism of a circuit breaker, wherein the other end, which is opposite to an operating end, of a lifting lever is provided with a sliding groove; the arranging direction of the sliding groove is vertical to the moving direction of the lifting lever; a link mechanism comprises a crank, a torsion spring and a slide block, and one end of the crank is provided with a spring hole opposite to a motor shaft; the torsion spring is contained in the spring hole and is simultaneously sleeved on the motor shaft; one skintle of the torsion spring is fixedly connected with the crank; the other end of the crank is arranged below the sliding groove of the lifting lever; the upper end of the slide block is arranged in the sliding groove of the lifting lever and isin slide fit with the sliding groove; the lower end of the slide block is fixedly connected with the crank; and the motion of the lifting lever is realized through the sliding of the slide block in the sliding groove under the driven of the positive and negative rotation of the motor. Electromotive switch-on and switch-off are realized through the designed special link mechanism and the designed special lifting lever, the security is improved, the stucking of the lifting lever can not happen, and the reliability of the switch-on and switch-off of the circuit breaker is ensured.

The invention relates to a fast butt-joint auxiliary device for intraoperative blood vessels. The fast butt-joint auxiliary device comprises a butt-joint ring and a releasing device. The butt-joint ring is formed by overlapping valve rings in a head-tail mode, and the size is adjustable. A shaft of the releasing device can rotate relative to a shaft sleeve instead of moving axially, a rear nut can rotate relative to the shaft while sliding relative to a sliding groove, expansion valve rings are connected with front nuts and the rear nut through connecting rods respectively, uniform tension positioning columns on the expansion valve rings are matched with uniform tension positioning columns in the butt-joint ring, fixing grooves are matched with guide grooves to convey the butt-joint ring to a pre-butt-joint position, the front nuts and the rear nut are equal in moving speed and opposite in direction, it is ensured that the expansion valve rings are parallel to the shaft, and the butt-joint ring is uniformly expanded to a suitable size; in the expanding process, the valve rings are held together through front and rear holding claws of the valve rings, by means of the guide grooves, the adjacent valve rings slide in the circumferential direction, and it is ensured that the butt-joint ring is formed well; an upper annular groove and a lower annular groove formed by the guide grooves are used for overlapping, bundling, limiting and falling preventing of human body blood vessels and artificial blood vessels.

The invention discloses a high-speed heat-transfer oil roller. The high-speed heat-transfer oil roller comprises a roller body, wherein a first roller spindle head and a second roller spindle head for connection with a power source are arranged at the two ends of the roller body, an oil line circulating pipeline for circularly heating the outer surface of the roller body is arranged in the roller body, a first bearing pedestal is arranged on the first roller spindle head, a second bearing pedestal is arranged on the second roller spindle head, bearings enabling the roller body to rotate around the axes of the bearings are arranged between the first bearing pedestal and the first roller spindle head and between the second bearing pedestal and the second roller spindle head, a rotary sealing device for oil inlet and oil outlet is detachably arranged at one side, which is far away from the roller boy, of the first bearing pedestal, and an oil inlet for connection with an inlet end of the oil line circulating pipeline and an oil outlet for connection with an outlet end of the oil line circulating pipeline are formed in the rotary sealing device. The high-speed heat-transfer oil roller disclosed by the invention is simple in structure and high in heat transfer efficiency; the blocking phenomenon and potential safety hazards are avoided in the using process of the high-speed heat-transfer oil roller.

The invention discloses a floating object cleaning device for surface treatment of rivers and lakes. The device comprises a ship body, a deck, a motor and a water pump, the deck is fixedly installed on the inner wall of the ship body, the motor is fixedly installed on the upper surface of the deck, the lower end of the motor is connected with a collecting mechanism, and a containing groove is formed in one end of the ship body. A filtering plate is fixedly installed in the ship body, the water pump is fixedly installed on the inner wall of the lower end of the ship body, meanwhile, a fixing frame is fixedly installed at one end of the ship body, a lifting mechanism is connected into the fixing frame, a driven rod is rotatably connected to one end of the deck, and a bevel gear set is in key connection to the lower end of the driven rod. According to the floating object cleaning device, through movement of a movable block, the movable block extrudes floating objects in the fixing frame, the floating objects are extruded into blocks, the density of the floating objects in the fixing frame is increased, and more floating objects are further contained in the fixing frame.

The invention relates to a movement mechanism of a separation plate in a drawer seat of a drawer type circuit breaker. The mechanism comprises an upper connecting rod, a lower connecting rod, a sliding shaft, a guide rail and a movement side plate, wherein the lower connecting rod is rotatably connected with a side plate of the drawer seat; the upper end of the upper connecting rod is connected with the separation plate and the lower end of the upper connecting rod is hinged to the lower connecting rod; the sliding shaft is arranged on the upper connecting rod and the guide rail is arranged on the side plate of the drawer seat; the guide rail is used as a movement limiting rail of the sliding shaft, so that when the upper connecting rod moves, the vertex at the upper end of the upper connecting rod moves up and down; the movement side plate is parallel to the side plate of the drawer seat; in a horizontal sliding process of the movement side plate, the lower connecting rod is pushed to rotate, so that the upper connecting rod is driven to move; the movement of the upper connecting rod drives the separation plate to move up and down. Compared with the prior art, the upper connecting rod and the lower connecting rod are hinged, a clamping condition does not occur and the stability is high; compared with other mechanisms, door opening movement is more rapid. The movement angle of the connecting rods is limited by the shapes of the connecting rods, so that the mechanism does not pass through a dead point, and the reliability performance of movement is ensured.