55results about How to "Check flatness" patented technology

The invention relates to a laser planeness detector, consisting of a pentaprism, a rotary platform, a laser, a four-dimensional working platform, a PSD (Position Sensitive Detector) position sensor, a computer data acquisition unit, a data processing unit, a base and a planar reflecting mirror, wherein light emitted by the laser is ejected horizontally after passing through the center of the rotary platform and being reflected by the pentaprism. The pentaprism rotates along with the rotary platform, and laser which is ejected horizontally by the pentaprism also rotates along the rotary platform; and the horizontal laser beams rotate to form a reference plane. The PSD position sensor is placed on the measured plane, so that the height difference between a measured point and the reference plane formed by the laser beams can be measured, the planeness error of a detected plane can be obtained after data processing.

The invention discloses a pavement flatness detection device for road and bridge construction, and relates to the field of road and bridge construction. The pavement flatness detection device for roadand bridge construction comprises a to-be-detected ground and a support plate, supporting strip blocks are fixedly connected to the two sides of the bottom of the support plate, a supporting flat plate is fixedly connected to the bottoms of the supporting strip blocks, supporting columns are fixedly connected to the two sides of the bottom of the supporting flat plate, and a reinforcing mechanismcorresponding to the to-be-detected ground is arranged on the supporting flat plate. A rubber block is attached to the to-be-detected ground, a sliding plate is slidably connected to the upper surface of the support plate, a power mechanism corresponding to the support plate is arranged on the sliding plate, a hollow cylinder is fixedly connected to the top of the sliding plate, an inner cavity is formed in the hollow cylinder, a lifting block is slidably connected into the inner cavity of the hollow cylinder, and an abutting spring is arranged in the inner cavity of the hollow cylinder. Thepavement flatness detection device for road and bridge construction is convenient to use for detecting the flatness of the to-be-detected ground, is not easy to damage, and is low in use cost.

The invention discloses a surface flatness high-precision detection device for rolling bearing manufacturing, and the device comprises: a motor which is fixedly connected to the interior of a bottom plate; a rotating disc, wherein the lower surface of the rotating disc is in key connection with the top end of the motor, and the rotating disc is in sliding connection with the upper surface of the bottom plate; a fixed frame which is fixedly connected to the upper surface of the rotating disc; a rotating shaft which is in shaft connection with the interior of the fixed frame; and a pushing structure which is arranged in the rotating disc. According to the surface flatness high-precision detection device for rolling bearing manufacturing, the fixing device can be correspondingly adjusted according to a rolling bearing needing to be detected, then the rolling bearing can be rapidly fixed, the surface flatness of the rolling bearing can be judged according to the change of a pointer, the rolling bearing is taken out by pressing a pressing device, and therefore, the flatness of the rolling bearing can be detected more conveniently.

The invention discloses a building board surface flatness detection device, which comprises a detection machine body, wherein a turn-over cavity is formed in the detection machine body, a feeding cavity with a leftward opening is formed in the left side of the turn-over cavity in a communicating mode, the feeding cavity is inclined from the upper left portion to the lower right portion, a discharging cavity with a rightward opening is formed in the right side of the turn-over cavity in a communicating mode, turn-over rotating shafts which are symmetrical left and right are rotatably connectedbetween the front wall and the rear wall of the turn-over cavity, the outer circular surface of the turn-over rotating shaft on the left side is fixedly sleeved with a first bearing plate, and the turn-over rotating shaft on the left side is located on the right side in the first bearing plate. The building board surface flatness detection device adopts a mode of turning over the building board and detecting the same simultaneously, the building board is placed on the upper end face of the first bearing plate firstly, then the building board is turned over to the upper end face of the second bearing plate through using a connecting rod, the lower end face of the second bearing plate faces upwards, flatness of the upper end face and the lower end face of the second bearing plate is detectedconveniently, and meanwhile the building board surface flatness detection device can assist the building board when the building board is turned over to prevent construction accidents.

The invention relates to a thin-sheet punching machine capable of automatically performing equipment health maintenance. The machine comprises a rack, and a mounting plate which is arranged on the rack, wherein a punching rack is arranged on the mounting plate, and a punching cylinder is arranged on the punching rack; a fitting pressing head is connected to the lower part of the punching cylinder;an embedding port which fits the pressing head by position is formed in the mounting plate, and a horizontal switching groove which communicates with the embedding port is formed in the mounting plate; switching pushing cylinders are arranged at two ends of the switching groove and are connected to switching pushing blocks; a grinder and a punching module are arranged between the two switching pushing blocks; a jacking lifting cylinder is arranged at a part, at the lower part of the embedding port, of the rack; and the jacking lifting cylinder is connected to a jacking device which penetratesthe switching groove. According to the machine, the working stations of the grinder and the punching module can be automatically switched, so that the pressing head can be automatically regularly grinded and maintained through the grinder, and the pressing head can be kept in health all the time; the health maintenance efficiency is extremely improved; and the time cost and the labor cost can bedecreased.

The invention discloses a novel online detection device and detection method for the surface flatness of paper ream of an anti-counterfeit paper, and relates to the technical field of quality detection equipment. The device comprises a comprehensive adjusting table and a flattening detector, a solenoid coil and a sliding contact block are arranged in the flattening detector and form a sliding rheostat structure, and a roller in the flattening detector and a conveying belt in the comprehensive adjusting table are both in contact with paper reams and extrude each other. According to the invention, the solenoid coil, the sliding contact block, the roller and the conveying belt are arranged, a basic sliding rheostat working principle is utilized, mechanical signals and electric signals are directly converted, and the flatness of the surface of paper ream can be detected more conveniently; wherein the roller and the conveying belt are used for pressing the paper ream, so that the detection result is more accurate, the slide rheostat structure can be directly replaced by the existing potentiometer and the like, the cost of the whole device is lower, and the whole detection cost is reduced while the detection accuracy is ensured.

The invention discloses test equipment for hearing aid production, which comprises a base, the left side of the top of the base is fixedly connected with a fixed plate, and the right end of the fixed plate is provided with a chute. Through arrangement of the first motor, the second motor, the sliding groove, the lead screw, the moving block, the supporting plate, a conveying disc, a testing disc, a bearing, a wood plate area, a ceramic tile area, a cement ground area and a ground area, the second motor drives the conveying disc to rotate, and a hearing aid is pushed to fall onto the testing disc from a through hole in the supporting plate; the test disc is divided into a wood board area, a ceramic tile area, a cement ground area and a ground area, so that the anti-falling performance of the hearing aid falling to different grounds can be simulated, the test height of the hearing aid can be adjusted by starting the first motor, and the anti-falling performance of the hearing aid falling on patients with different heights can be simulated; the hearing-aid test is comprehensive, and the quality of hearing-aid production is improved.

The invention relates to a cable connection detection device for cable installation, comprising a workbench, the top of the workbench is fixedly connected with a lower sleeve, the two ends of the lower sleeve are fixed with an upper sleeve by bolts, and the connection between the lower sleeve and the upper sleeve is fixed. An adjustment mechanism is installed on the inner wall, and the inside of the adjustment mechanism includes a through pipe fixed on the inner wall of the lower casing and the upper casing. The inside of the through pipe is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with a connecting piece. Both sides of the part are fixedly connected with drive wheels. The lower casing and the upper casing are fixed by bolts, making the device easy to disassemble or install; by setting the first spring and the second spring, the transmission wheel and the pulley can be pressed and fitted to the outer wall of the cable body of different sizes, Therefore, the detection of cable bodies with different sizes is realized, and the applicability is improved.

The invention relates to the technical field of brake discs, and discloses a flatness detection device for brake discs of new energy vehicles, which includes a workbench. There is a sleeve ring on the movable sleeve, and a fixed ring is fixedly sleeved on the top of the column. Symmetrical connecting rods are arranged on the fixed ring and the ring, and rubber braces are arranged between the connecting rods. A driving device is installed, and the upper end of the driving device is provided with a rotating shaft, and the upper end of the rotating shaft is provided with a turntable. The flatness detection device for brake discs of new energy vehicles first fixes the brake discs through rubber supports, cooperates with the driving device to drive the detection pen to detect, and then cooperates with the air duct blowing and cleaning and the liquid spray pipe to spray paint, so as to achieve the smoothness of the brakes. Different areas on the disc are detected, the detection accuracy is improved, and the uneven area on the brake disc can be marked and reminded.