11results about How to "Reduce derailment" patented technology

The utility model discloses a kind of self-propelled crane track adjusting devices, comprising: transmission assembly, including support seat, the support seat is symmetrically provided with two groups, two groups the support seat between being provided with base, the top and bottom of the support seat rotatably install auxiliary wheel;Adjusting group frame, including slide, the slide and support seat end inner wall cooperation sliding connection, the inner wall of the slide is connected with the first axle rotation adjusting wheel, the slide is telescopic with the inner wall of support seat telescopic adjustment position;Track, the track is engaged with auxiliary wheel, adjusting wheel, it is related to track adjusting device technical field, through the power transmission structure of beehive gear and lead screw, screw sleeve, the guiding effect of cooperation guide rib and sliding slot, the accurate, convenient adjustment of track tension is realized, adjustment process is stable, avoid the adjustment failure caused by slide deviation, simultaneously without disassembling component, operation efficiency is high.

The utility model discloses a sliding piece and a sliding assembly for an automobile sun-shading device and the sun-shading device. The sliding piece and the sliding assembly comprise an inserting part. The connecting plate is arranged at one end of the inserting part; the first clamping plate is arranged on the side, away from the inserting part, of the connecting plate, and the first clamping plate is perpendicular to the connecting plate; the second clamping plate is arranged on the side, away from the inserting part, of the connecting plate, the first clamping plate is perpendicular to the connecting plate, and the first clamping plate and the second clamping plate are arranged in parallel; the third clamping plate is L-shaped, the long side of the third clamping plate is parallel to the second clamping plate, and the short side of the third clamping plate is perpendicular to the second clamping plate; wherein a slide way is formed between the first clamping plate and the second clamping plate, and a passageway is formed between the second clamping plate and the third clamping plate. The device has the advantages of reducing derailing of the sliding piece and the guide rail, reducing shaking and guaranteeing sliding reliability and stability of the sliding piece on the guide rail.

The wiring tackle comprises an inverted-U-shaped supporting frame with the top provided with a hanging ring and two rolling wheels arranged in the supporting frame, guide feet are arranged at the four corners of the supporting frame, two rotating columns perpendicular to the side wall of the supporting frame are arranged below the supporting frame, and the two rotating columns are arranged on the side wall of the supporting frame. The opposite ends of the two rotating columns are rotationally connected with linkage columns perpendicular to the rotating columns, the two ends of each linkage column are slidably connected into inclined grooves formed in the two guide feet on the same side, and the inclined grooves are obliquely formed in the mode that the upper sides incline towards the interior of the supporting frame. The two side walls of the supporting frame are each provided with two sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding mode, the sliding blocks are rotationally connected with the ends of rotating shafts of the rolling wheels, and the rotating column is rotationally connected with the rotating shafts on the same sides of the two rolling wheels through two connecting rods. The problems that in the prior art, a self-propelled tackle is connected with a wire through a single pulley, so that a tackle frame deviates and moves on the wire in a friction mode, and the pulley is separated from the wire and is locked are solved.

The present invention relates to the field of cable manufacturing, and specifically discloses a manufacturing device for a fireproof photovoltaic cable core for a photovoltaic power station and a fireproof photovoltaic cable, comprising a bearing plate, a support frame 1 and a support frame 2 are arranged on the bearing plate, a bearing on the support frame 1 is connected to a rotating mechanism, a clamping assembly for installing a secondary conductor monofilament is arranged on the rotating mechanism, a rotating guide plate is connected to a bearing on the support frame 2, a wire hole is provided on the rotating guide plate; a connecting assembly is arranged between the rotating mechanism and the rotating guide plate. When the present invention rotates and twists the secondary conductor monofilament, it can automatically respond to the phenomenon of centrifugal bending of the secondary conductor monofilament caused by excessive speed, and achieve the effect of automatic correction of the secondary conductor monofilament, forcing the secondary conductor monofilament to be adjusted to an S-shaped bend outwardly centrifugally, which is beneficial to the twisting of the secondary conductor monofilament by the device, reduces the derailment of the secondary conductor monofilament, reduces the phenomenon of wear and breakage, and is beneficial to the manufacturing and processing of the fireproof photovoltaic cable.

The utility model provides a telescopic double parallel rail detection dolly, through adopting adjustable frame structure of flexible adjustment function to solve the problem of track adaptability and insufficient rigidity of equipment in the operation process, and the telescopic double parallel rail detection dolly includes guide wheel, drive wheel and frame body, the guide wheel includes guide wheel wheel body and connecting seat, and the guide wheel wheel body is connected with the connecting seat, and the guide wheel is connected with the crosspiece of frame body through the connecting seat, the drive wheel includes drive wheel wheel body and drive wheel axle, and the drive wheel is installed in the crosspiece center position of frame body, the drive wheel wheel body is embedded with C type steel rail groove part, and the frame body includes telescopic longitudinal rod, crosspiece and arc reinforcing plate, so that the telescopic double parallel rail detection dolly has adjustable spacing, high stability, and the adjustable spacing makes it can adapt to the track of different spacing, and the high stability guarantees to accurately and reliably complete each detection task in the detection process.

The invention relates to the technical field of solid slag removal equipment, in particular to a water immersion type scraper slag salvaging machine and a self-adaptive chain transmission device.The water immersion type scraper slag salvaging machine comprises a machine table, a partition plate for conveying sludge is fixed to the center of the inner wall of the machine table, and chains are arranged at the upper end and the lower end of the outer wall of the partition plate; according to the chain tensioning device, the arranged auxiliary chain wheel is matched with the tensioning chain wheel so that the tensioning degree of the chain can be adjusted, the magnitude of counter-acting force caused by the chain to the tensioning chain wheel is checked through the pressure sensor in the using process, and therefore the tensioning degree of the chain can be adjusted. When the numerical value is smaller than the set standard value, the situation that the chain is lengthened can be judged, and the electric control telescopic rod can control the tensioning chain wheel to move downwards to guarantee the tensioning force on the chain, so that the situation that the chain is derailed due to the fact that the chain is lengthened is reduced.

The invention discloses a mining vehicle-mounted camera damping device, which comprises a base, a damping seat, a damping device, an upper elastic damping pad, an inner elastic damping pad, an outer elastic damping pad, a universal joint bracket and a connecting piece, and is characterized in that the base comprises an upper base, a lower elastic damping pad and a lower base which are sequentially stacked from top to bottom and are fixedly connected; a groove is formed in the top of the upper base, the damping base covers the upper base, the lower end of the damping device is connected with the bottom of the groove, and the upper end of the damping device is connected with the inner wall of the top end of the damping base. By arranging the damping device, the upper-layer elastic damping pad, the inner elastic damping pad and the outer elastic damping pad, the damping effect can be improved, the amplitude of vibration transmitted to the camera can be greatly reduced, accidents such as collision, derailing and material scattering caused by visual errors are reduced, and it is guaranteed that mine operation is carried out safely and orderly; the mounting angle of the connecting piece and the base is convenient to adjust, the base and the damping seat are convenient to horizontally mount, and uniform damping is convenient to realize.

The utility model relates to the technical field of medical vehicles, in particular to a motor mounting seat for a vehicle door of a medical vehicle, which comprises a motor mounting seat body, the motor mounting seat body comprises a fixed support, the fixed support is provided with a rotating bearing in a matched manner, and a rotating shaft is provided with a limiting tension spring in a matched manner. According to the motor mounting seat for the door of the medical vehicle, the tension spring on the handle fixes the handle not to rotate through tension, the eccentric wheel on the handle rotates, the distance difference between the axes of the eccentric wheel is utilized, a certain rotating angle is formed between the motor support and the fixing plate, and the motor is fixed through the limiting tension spring. The sliding door is manually translated through the upper anti-derailment rail and the lower anti-derailment rail, and the derailment condition of the sliding door is reduced through mutual cooperation of the gear motors.

The utility model discloses an automobile sunshade device which comprises a supporting frame, a piece of shielding cloth, a sliding plate, a rotating shaft and a winding drum, and is characterized in that the supporting frame comprises a pair of supporting beams and a pair of guide rail beams, the supporting beams and the guide rail beams form a closed rectangular structure, a fixing piece is arranged in the middle of each guide rail beam, and fixing plates are arranged at the two ends of each guide rail beam. Each guide rail beam is provided with a pair of sliding pieces, each sliding piece is provided with a pair of wire guide wheels, a calibration line is wound on the wire guide wheels, one end of the calibration line is connected with the fixed plate, and the other end of the calibration line bypasses the nearest wire guide wheel and then bypasses the wire guide wheel closest to the opposite wire guide wheel on the opposite guide rail beam; and then the calibration lines are connected with the fixing pieces on the opposite guide rail beams, and two pairs of calibration lines are arranged. The device has the advantages that the sliding synchronism and stability of the sliding plate and the sliding piece are guaranteed, and shaking and inclination of sliding are reduced.

The utility model provides an anti-derailment fast door, which belongs to the technical field of sliding doors and comprises a bottom plate, a door frame is arranged at the top of the bottom plate, a sliding groove is formed in the top end in the door frame, a door body is slidably arranged in the door frame, and limiting pieces are arranged at the end corner positions of the door body. According to the scheme, the worm, the support, the pulley and the worm gear are arranged, the worm drives the worm gear to rotate, the worm gear drives the support to swing, the pulley is pressed to the inner wall face of the door frame, the state that the pulley abuts against the inner wall face of the door frame is kept through the self-locking characteristic of the worm and the worm gear, and the overall vertical sliding space of the door body is reduced; therefore, a good anti-derailing effect is achieved.