13results about How to "High leveling accuracy" patented technology

The utility model provides a stable guide mechanism for a plate leveler, which belongs to the field of plate leveler equipment and comprises a main frame, a leveling component and an adjusting component. A mounting cover is mounted outside the main rack, and a control panel is mounted on the surface of the mounting cover; a threaded sleeve is rotatably installed on the periphery of the surface of a main machine frame, a lifting rod is in threaded connection with the interior of the threaded sleeve, a lifting base is fixedly installed on the top of the lifting rod, and a roller shaft upper support is fixedly installed at the bottom of the lifting base. A driving belt wheel rotates to drive a driven belt wheel on the surface of a threaded sleeve to rotate through a gear belt, so that the threaded sleeve rotates, an internal lifting rod drives a lifting seat to ascend and descend along with the threaded sleeve, a roll shaft upper support is driven to conduct lifting adjustment relative to a roll shaft lower support, and flattening machining of plates with different thicknesses is met; the application range is widened.

The invention relates to the technical field of constructional engineering, and discloses a building deformation monitoring device and method for constructional engineering, and the device comprises an upper mounting plate, the top of the upper mounting plate is slidably connected with a fixing frame, the top of the fixing frame is provided with a rotating mechanism, and the top of the rotating mechanism is provided with a fixing disc. An inclinometer is fixedly connected to the top of the fixing disc, a reflector mechanism is arranged at the bottom of the fixing disc, and a leveling mechanism is arranged at the bottom of the upper mounting plate. By arranging a double leveling structure of the leveling mechanism and the rotating mechanism, the leveling mechanism achieves automatic preliminary leveling through linkage of a pendulum bob and an electric telescopic rod, manual repeated operation is not needed, the leveling time is greatly shortened, the rotating mechanism can conduct micro-angle adjustment on a fixed disc through accurate transmission of a worm and worm gear teeth, and the leveling efficiency is greatly improved. The problems that an existing device is difficult in leveling, long in consumed time and insufficient in precision are solved, and the leveling efficiency and precision are improved.

The utility model belongs to the technical field of overweight embedded part leveling, and particularly relates to an overweight embedded part installation accurate leveling device which comprises a circular center disc, a plurality of inner supporting feet distributed in a central symmetry mode are arranged on the periphery of the center disc, and the inner supporting feet are used for being supported on the upper surface of an overweight embedded part. A plurality of ejector rods distributed in a central symmetry mode are arranged at the bottom of the center disc, the ejector rods can move in the radial direction of the center disc, the ejector rods are used for abutting against the inner side wall of a center hole of the overweight embedded part to enable the center disc and the overweight embedded part to be centered, and a detection ball capable of rolling is arranged on the upper surface of the center disc. A swing rod parallel to the upper surface of the center disc is arranged at the center of the center disc, the detection ball is rotationally arranged on the swing rod in a sleeving mode, and a plurality of outer supporting feet capable of moving in the circumferential direction of the center disc are arranged on the side face of the center disc and can ascend and descend in the height direction. The overweight embedded part leveling device has the advantage that the overweight embedded part leveling operation can be quickly, efficiently and accurately realized.

The utility model relates to machining equipment base field especially a kind of machining equipment base with shock pad. Including base, the surface of the four around base is equipped with adjusting structure, the adjusting structure includes several reserved slots, several the reserved slots are set on base, the inner wall of the reserved slot is connected with adjusting lever, the lower end of the adjusting lever is rotatably connected with support plate, the upper surface of the support plate is fixedly connected with slide bar, the surface of the slide bar is slidably connected with base, the side of the support plate is equipped with butt joint groove, the inner wall of the butt joint groove is slidably connected with butt joint block, the lower surface of the butt joint block is fixedly connected with shock pad. The utility model provides a kind of machining equipment base with shock pad, and the height of support plate can be accurately adjusted by rotating adjusting lever, equipment leveling is realized;Operation positioning rod, support plate and shock pad can be conveniently disassembled and assembled, and the advantages of convenient user maintenance.

The utility model discloses a longitudinal stretcher which is characterized in that a drying oven, a plurality of groups of stretching roller groups and a plurality of groups of driven roller groups are arranged on a rack, and speed differences exist among the stretching roller groups; at least one stretching roller set is arranged behind the drying oven in the advancing direction of the thin film; at least one stretching roller set and a plurality of driven roller sets are arranged in the drying oven, a preheating area and a heating area are arranged in the drying oven, the preheating area and the heating area are respectively provided with a heating module, the preheating area is provided with at least one driven roller set and at least one stretching roller set in the advancing direction of a film in a front-back mode, and the heating area is provided with a plurality of driven roller sets. According to the heating module, temperature compensation can be carried out on the end part of the main heating piece through the compensation heating piece, so that the temperature field distribution is more uniform, the temperature of the diaphragm in the width direction is consistent, the heating uniformity and the temperature uniformity are improved, local overheating or supercooling of the diaphragm is avoided, and the temperature control precision is high.

The present application relates to the field of tractor suspension, and particularly relates to a tractor suspension automatic leveling device and a control method thereof. The tractor suspension automatic leveling device comprises a mounting frame, a plurality of connecting beams are fixedly connected to the mounting frame, a damping leveling system is connected to the mounting frame, a suspension frame is connected to the damping leveling system, a horizontal plate is fixedly connected to the suspension frame, the suspension frame is used for mounting a machine tool, a double-shaft inclination sensor is mounted on the horizontal plate, and a rotating leveling system is arranged. The leveling and damping functions are integrated in the same oil cylinder. When the impact acceleration exceeds the set threshold, the inertia sensitive valve core is automatically opened, the main oil cylinder cavity is communicated with the energy storage cavity, the millisecond mechanical impact absorption is realized, the sensor and the controller are not needed to intervene, the response speed is superior to that of the traditional electric control damping scheme, after the impact, the hydraulic oil in the energy storage cavity slowly returns to the original position through the one-way throttling valve, the leveling and damping functions are cooperatively worked, and the posture deviation is avoided.

The present application belongs to the technical field of bed leveling, and particularly relates to a gravel bed leveling device and method suitable for shallow water areas. The gravel bed leveling device comprises a leveling frame, a measuring device, an adjusting device and a scraper. The leveling frame comprises two longitudinal beams and multiple cross beams, and a leveling bin is formed between every two adjacent cross beams. The measuring device comprises four measuring rods detachably connected to the four corners of the leveling frame, and the top end of each measuring rod is provided with a positioning device. The adjusting device comprises four height adjusting screws and four screw sleeves. The four screw sleeves are arranged near the four measuring rods and fixedly connected to the leveling frame, and the height adjusting screws are one-to-one screwed into the screw sleeves and penetrate through the leveling frame. The two ends of the scraper in the length direction are respectively removably crimped on the top surface of the cross beams on the two sides of the leveling bin. The present application provides a new leveling device for manual leveling of gravel beds in shallow water areas, and can improve the leveling accuracy of gravel beds in shallow water areas.

The utility model discloses a kind of printing production die cutting leveling devices, including leveler and heating roller, the side wall of leveler is rotatably installed with support plate and a pair of swing arms at corresponding position with heating roller, a pair of swing arms are fixedly installed with fixed rod between, elastic component is connected between fixed rod and leveler, the end of swing arm is fixedly installed with positioning rod, the both ends of support plate are respectively provided with the positioning slot for accommodating positioning rod, so that positioning rod cooperates positioning slot and provides stable supporting support for support plate.The utility model sets up foldable storage support plate on the side of leveler, which integrates material support and limiting guide function, ensures that material enters heating roller leveling area smoothly to improve leveling accuracy, when idle, support plate is folded along the matching track of positioning rod and positioning slot and adheres to the side wall of leveler, greatly compresses space occupancy, simple structure, convenient operation, improves the comprehensive performance of equipment, effectively controls equipment investment cost.

The utility model belongs to building construction technical field especially a kind of building construction wall surface leveling auxiliary device, including wall rest board, the both ends of wall rest board top outer wall are all fixedly connected with positioning plate, and wall rest board one side inner wall is rotatably connected with array distribution's pulley, wall rest board one end outer wall is slidably connected with baffle, and the inner wall on baffle is screwed with screw rod, and the outer wall of screw rod one end is rotatably connected on the outer wall of wall rest board one side.The utility model solves the problem of unstable positioning by the cooperation of wall rest board, positioning plate and pulley, ensures that the device moves smoothly, avoids the insufficient wall flatness caused by positioning deviation in traditional construction, improves the leveling accuracy, solves the tool adaptability problem by the combination of scraper and extension blade, loosens fastening knob to adjust the extension blade extension length along the strip-shaped groove, without frequent tool change, and the first sawtooth and second sawtooth reduce mortar adhesion, reduce cleaning difficulty, effectively improve construction efficiency.

The utility model relates to the technical field of roadbed construction, and particularly discloses a compaction device for leveling a highway roadbed, which comprises an equipment main body and a road rolling wheel structure arranged on one side of the equipment main body, the mounting structure is mounted on one side of the road rolling wheel structure, and the auxiliary leveling structure is arranged at the bottom of the mounting structure and used for leveling before road rolling; wherein the mounting structure comprises a mounting box and a swing rod arranged in the mounting box, and the top end of the swing rod is rotationally connected with the mounting box through a rotating shaft; the fixed rod and the movable rod at the bottom of the base plate horizontally reciprocate along with the base plate, the movable rod can dynamically adapt to uneven hardness or tiny fluctuation of the surface of a roadbed due to the arrangement of the spring piece, the leveling uniformity is ensured, the leveling operation is synchronously completed in the advancing process of the road rolling wheel structure, the leveled roadbed is rolled by the rear road rolling structure, and the leveling efficiency is improved. The surface of a roadbed is scraped and raked actively before the road rolling wheel structure rolls, loose filler is flattened in advance and evenly distributed, and the filler is prevented from being accumulated in front of equipment.

The utility model relates to the technical field of land engineering, and provides a land engineering surveying and mapping device which comprises a supporting bottom plate and a surveying and mapping instrument, three first supporting legs evenly distributed in the circumferential direction are rotatably installed at the lower end of the supporting bottom plate, and second supporting legs are slidably installed on the first supporting legs; a first limiting bolt used for limiting mutual movement of the first supporting leg and the second supporting leg is arranged between the first supporting leg and the second supporting leg, the surveying and mapping instrument is installed on an adjusting plate, and a leveling mechanism used for leveling the surveying and mapping instrument is arranged between the adjusting plate and the supporting bottom plate. The surveying and mapping instrument is fixed through the first limiting bolt, horizontal coarse adjustment of the surveying and mapping instrument is achieved, then the surveying and mapping instrument is finely adjusted through the leveling mechanism, the leveling efficiency and precision of the surveying and mapping instrument are improved, operation is easy and fast, stability is high, and the surveying and mapping instrument leveling device is suitable for being used in different scenes.