12results about How to "Does not affect normal rotation" patented technology

The utility model is suitable for the field of concrete production, and provides a screening device for concrete production, which is used for screening concrete materials and comprises a machine shell, a feeding port, a discharging port, a feeding port, a discharging port, a discharging port, a screening device and a discharging port, and the side face of the machine shell is fixedly provided with the feeding port and the discharging port; the screening assembly is located in the machine shell and used for screening materials, and the screening assembly comprises a first screening barrel and a second screening barrel; the driving assembly is used for driving the screening assembly to rotate. The sun gear, the planet gear and the gear ring are arranged to form planetary gear set transmission, so that the rotating direction of the second screening barrel is opposite to that of the first screening barrel, and the first spiral blade and the second spiral blade which are arranged in the first screening barrel and the second screening barrel respectively are matched to drive materials in the screening barrel to horizontally move in the rotating process. And on the basis of the rotating directions of the first screening barrel and the second screening barrel, the material moving direction is controlled, and screening and output of the materials are facilitated.

The utility model relates to the technical fields of mould shrinkage pipe production especially relate to a mould shrinkage pipe production post -treatment device. Its technical scheme includes winding roller, processing box body and baffle, the processing box body lower surface welding has workstation, processing box body one side outer end surface is established with feeding hole, and processing box body both sides outer end surface all are established with air inlet, the fan that processing box body inside bottom end is installed, and the upper surface intercommunication of fan has the blow -off cover, the processing box body inner wall welding has the filter plate, the inside top of processing box body and the upper surface of filter plate all are fixed with outer rod, and the outer rod one side outer end surface swing plug -in has the inner rod, the inner rod one side outer end surface is fixed with the clamping plate, and the recess is established in the clamping plate inside, the inner wall rotation of processing box body is connected with winding roller, the winding roller one side outer end surface is fixed with baffle, and the winding roller upper surface establishes the fixed slot. The utility model is convenient for one side cooling one side winding, and the processing efficiency is high.

The utility model discloses an automatic material turning anti-mildew device of a pig feed storage bin, and relates to the technical field of pig feed storage bins, the automatic material turning anti-mildew device comprises a storage bin body, a hollow rotating shaft and a material turning assembly, the lower side of the middle part of the storage bin body is connected with a discharge pipe, and the upper side of the middle part of the storage bin body is provided with a material turning motor; a hollow rotating shaft penetrating through the upper wall of the storage bin body is arranged on the lower side of the material overturning motor, a material overturning assembly is installed on the outer side of the hollow rotating shaft and comprises air supply pipes, air outlets and material overturning plates, and the two sides of the outer side of the hollow rotating shaft are connected with the air supply pipes. According to the automatic material turning and mildew preventing device for the pig feed storage bin, the hollow rotating shaft rotates to conveniently drive the air supply pipe and the material turning plate to rotate, the material turning plate can conveniently turn over pig feed inside, and meanwhile air outlets evenly distributed in the front side and the rear side of the air supply pipe can spray out dry cold air inside the hollow rotating shaft; therefore, airflow can be sprayed out conveniently while mechanical material turning is conducted, and the dual anti-mildew effect is achieved through airflow scouring.

The utility model discloses a sand blasting device is used to metal surface rust removal, including box, the inner chamber bottom of box is recovery area, the inside of box is equipped with reciprocating sand blasting mechanism near the top department, and equipment operation stability is good: the elastic protective net is set between the chute and the screening board, can effectively block sand material and enter the inner chamber of chute, avoid sand material to the interference that sliding block slides to cause, the movable mouth design of the shaft that goes through elastic protective net does not influence its normal rotation, has guaranteed the smooth operation of screening mechanism, has prolonged the service life of equipment, and the convenience has promoted: the movable door that passes through the hinge connection is equipped with right side of box, and cooperates the design of the material taking opening, and the convenient operator carries out the workpiece's taking and places and the maintenance cleaning of equipment inside, has simplified the operation process, has improved work efficiency.

The utility model discloses an ampoule silent chain device which comprises a rotating shaft plate, a rotating shaft rod is movably connected in the rotating shaft plate, a base plate is movably connected to the circumferential outer wall of the rotating shaft rod, limiting threads are arranged at the two ends of the rotating shaft rod, and limiting nuts are connected to the circumferential outer walls of the limiting threads through threads. According to the silent chain device for the ampoules, the ball bearing is arranged on the front face of the connecting plate, and an upper limiting nut and a connecting rod structure on the back of the connecting plate are matched, so that the situation that the rotating shaft plate gradually deviates due to rotation and is suddenly broken due to too large tensile force borne by the rotating shaft plate can be prevented while the rotating shaft plate has a random rotating function; secondly, protective frames and protective rods are fixedly connected to the front faces and the back faces of the chain plates, the chain plates are prevented from being collided and deformed in the running process, the chain is prevented from being clamped, and the service life of the chain is prolonged. And the waterproof plate oil absorption paper fixed on the surface of the protection rod in a matched mode can achieve the waterproof and oil absorption effects.

The application relates to a password lock convenient for password replacement, which comprises a lock body and a lock rope, the lock body is provided with a plug hole for inserting the end of the lock rope, a password wheel assembly and a lock rod are arranged in the lock body, the password wheel assembly comprises a character wheel and a top wheel, the top wheel is sleeved on the lock rod, and the character wheel is sleeved outside the top wheel, an installation cavity and a code adjusting assembly are further arranged in the lock body, the code adjusting assembly comprises a driving piece and a pressing piece, the lock rod is provided with a pressing end and a driving end, the installation cavity is arranged at the end of the driving end, the driving piece and the pressing piece are arranged in the installation cavity, the lock rod can drive the driving piece to slide along the radial direction of the lock rod, the driving piece pushes the pressing piece and the top wheel to slide along the axial direction of the lock rod, so that the top wheel is separated from the character wheel, and the character wheel is independently rotated in the circumferential direction of the lock rod, and a reset piece for driving the driving piece to reset is arranged in the installation cavity. By adopting the technical scheme, the application provides the password lock convenient for password replacement, and the structure is simple, the operation is convenient, and the password replacement can be quickly completed.

The utility model relates to the field of printed matter printing technology, and specifically relates to a guiding mechanism for packaging and decoration printed matter printing, which comprises a support and a support plate, two supports are arranged, two through grooves matched with the supports are arranged on the support plate, adjusting bolts are arranged on the two sides of the support plate, screw holes matched with the adjusting bolts are arranged on the two sides of the support plate, a plurality of insertion grooves matched with the adjusting bolts are arranged on the opposite side walls of the two supports, two side plates are fixed to the top end of the support plate, a guide roller is rotatably connected between the two side plates, two baffle plates are sleeved on the guide roller, protrusions are integrally formed in the two baffle plates, a sliding groove is arranged on the guide roller for horizontal sliding of the protrusions, a motor is fixed to one of the side plates, a bidirectional screw rod is connected to the output shaft of the motor through a coupling, two sliding seats are arranged below the guide roller, screw holes matched with the bidirectional screw rod are arranged on the two sliding seats, two guide wheels are rotatably connected in the two sliding seats; the utility model is convenient to adjust and increases the application range.

The utility model discloses a door plank with hidden hinges. The door plank comprises a door plank profile, a hinge and a hinge, the connecting structures are connected to the two ends of the door plate sectional material correspondingly, and the connecting structures are connected to the inner side of the door plate sectional material in a clamped mode and used for hiding the connecting structures; and the rotating shafts are rotatably inserted between the adjacent connecting structures. The arrangement mode that the door plate profiles and the connecting structures are matched is utilized, the connecting structures are clamped between the shielding assemblies and the outwards-protruding type connectors, and therefore the connecting structures can be conveniently installed, normal rotation between the two door plate profiles is not affected, meanwhile, the connecting structures at the hinged positions between the door plate profiles can be hidden, and the door plate profiles can be conveniently installed. The sealing performance of the directly-closed position of the door plate sectional materials is conveniently improved, so that the sealing performance of the connecting position between the door plate sectional materials is improved, the waterproof function can be improved, the hinge cannot be seen integrally after the door plate sectional materials are closed, and the door plate sectional materials are more attractive.

This application discloses a self-adjusting transmission device for a circular vibrating screen, relating to the field of circular vibrating screen technology. The application includes a frame, a motor mounted on the frame, and a second coupling mounted on the vibrator. A first pulley is mounted on the output shaft of the motor. A bearing housing is mounted on the frame, and a main shaft rotatably passes through the bearing housing. Two spaced-apart roller bearings are disposed between the bearing housing and the main shaft. The second pulley and the first coupling are mounted on the main shaft. This application abandons the direct V-belt connection transmission method of the prior art. In use, the V-belt transmission drives the main shaft and the first coupling to rotate together, causing multiple rubber belts to move and deform. Through the pulling action of the multiple rubber belts, the second coupling rotates, enabling the vibrator to operate. Because the second coupling and the first coupling are transmitted through multiple rubber belts, their connection is close to flexible.

The application discloses a steam turbine shaft vibration monitoring and protecting device, which comprises a vibration monitoring module installed on the axial ends of a steam turbine main shaft, a circumferential data collector arranged in the middle of the steam turbine main shaft, and a processor connected with the vibration monitoring module and the circumferential data collector; the vibration monitoring module monitors the motion information of the axial ends of the steam turbine main shaft, and sends the collected motion information to the processor; the circumferential data collector collects rotation data of different positions in the middle of the steam turbine main shaft, and the vibration monitoring module sends the rotation data to the processor; the processor fits the motion information and the rotation data, compares them with the shaft vibration threshold value stored in the memory, and obtains a shaft vibration monitoring result. According to the motion information and the rotation data, whether the steam turbine is in shaft vibration is judged, the vibration monitoring module is installed on the axial ends of the main shaft, the circumferential data collector arranged in the middle of the main shaft is not in contact with the main shaft, the normal rotation of the main shaft and the normal use of the blades on the main shaft are not affected, and the steam turbine shaft vibration monitoring can be realized.

The utility model relates to the technical field of medical instruments, and discloses a control device, a conveying system and an interventional therapy system.The control device is suitable for the interventional therapy system and comprises a control assembly and a feedback assembly; the control assembly comprises a control handle and a driving rod, and the control handle is used for driving the driving rod to rotate and axially move; the feedback assembly comprises a shifting piece and a rotating piece, the rotating piece is arranged on the driving rod, at least two tooth blocks are arranged on the rotating piece, and when the driving rod rotates, the shifting piece is suitable for being clamped to a certain tooth block so as to provide force feedback. Therefore, when an operator rotates the driving rod to a specific angle, the shifting piece can be matched with the corresponding tooth block, so that the operator can feel retardation during rotation, the operator is prompted to rotate in place or rotate by an angle, and the operator can operate more easily.

The multi-limiting cylindrical roller bearing comprises an outer ring assembly, an inner ring assembly and a roller assembly, the outer ring assembly comprises an outer ring, an inner hole, an outer hole, a check ring, a top groove and a clamping column, the inner hole and the outer hole are formed in the inner circumferential face of the outer ring, the check ring is fixedly connected to the side wall of the outer ring, and the clamping column is fixedly connected to the side wall of the outer ring. A top groove is formed in the circumferential face of the outer ring, a clamping column is arranged in the top groove, and the inner ring assembly comprises an inner ring and a clamping ring. By arranging the outer ring assembly, the inner ring assembly, the roller assembly and the clamping ring, a traditional retainer and an inner ring are integrally designed, the outer ring is of a double-piece type, the clamping grooves are formed in the rollers, the rollers can be connected with the outer ring and the inner ring in a clamped mode, normal rotation is not affected, the gap between the outer ring and the inner ring is smaller, and the bearing capacity of the bearing is higher; and under the limitation of the outer ring and the inner ring, the pin rollers in the inner ring cannot axially move.