9results about How to "Easy leveling" patented technology

This invention discloses a probe receiving lens module for performance simulation testing of laser rangefinders, comprising a receiving lens group, a crosshair reticle, an optical attenuator, and a detector arranged sequentially along the optical path emission direction of the laser rangefinder under test. The emitting end of the detector utilizes the crosshair reference lines of the crosshair reticle to perform optical axis deflection calibration. A focal length fine-tuning structure adjusts the distance between the detector and the receiving lens group to fine-tune the focusing of the emitting end of the detector. An illumination unit is also provided relative to the crosshair reticle to provide illumination support. This invention optimizes and improves various aspects, from focus control and detector protection to observation reference illumination, providing a more accurate, efficient, and stable solution for performance simulation testing of laser rangefinders.

The utility model provides a kind of cable-stayed bridge zero block large cantilever cast-in-place support, it is set to cable-stayed bridge tower, it is composed of two support units respectively fixed in the left and right sides of cable-stayed bridge tower, two support units structure is same and symmetrically distributed;The support unit includes: multiple are uniformly distributed and arranged in triangular bracket;Connecting system is arranged between the crossbeam of multiple triangular brackets;Multiple are uniformly arranged in load-bearing beam, load-bearing beam is placed on crossbeam and is perpendicular to crossbeam;Beam, multiple are uniformly arranged and arranged, beam is located on load-bearing beam and is perpendicular to load-bearing beam;Rear anchor system, it is set to the tail end of beam, beam is fixed on the temporary consolidation block of cable-stayed bridge tower by rear anchor system, and multiple beams form integral structure by rear anchor system;The formwork is set above beam. The utility model can realize the use of steel pipe stand, occupy less construction space, save cost, and improve safety.

The application discloses a radar checking device and method based on a double leveling mechanism, and the radar checking device comprises a water tank, a placing plate, a first electric telescopic rod, a distance measuring mechanism and a first leveling mechanism. The placing plate is used for placing a radar body; the first electric telescopic rod is used for driving the placing plate to move along the height direction of the water tank; the distance measuring mechanism is used for measuring the distance between the emitting surface of the radar body and the bottom of the water tank; and the first leveling mechanism is used for leveling the water tank to keep the water surface in the water tank horizontal relative to the bottom surface of the water tank. The first leveling mechanism is used for leveling the water tank; the water surface in the water tank is kept horizontal relative to the bottom surface of the water tank, so that the measurement error caused by the non-horizontal state of the water surface of the water tank relative to the bottom surface of the water tank is eliminated, and the accuracy of the radar checking is improved.

The utility model relates to the technical field of textile fabric processing, and discloses a textile fabric leveling device which comprises a base, racks are fixedly installed on the two sides of the base, a guide-in power roller is installed on the rack on the right side, a traction power roller is installed on the rack on the left side, fabric is arranged between the guide-in power roller and the traction power roller, and the guide-in power roller is connected with the traction power roller. According to the leveling device for the textile fabric, the fabric can be transferred and conveyed through a guide-in power roller and a traction power roller, a fixed air cylinder drives a first V-shaped plate to be attached to the fabric, and when the fabric is conveyed, wrinkles can be preliminarily driven by the first V-shaped plate to be spread out; the second V-shaped plate is driven by the movable air cylinder to be attached to the cloth, and when the cloth is conveyed, spread wrinkles can be driven by the second V-shaped plate to be spread again; and meanwhile, the servo motor drives the lead screw to rotate, then the position of the second V-shaped plate can be adjusted and controlled, and therefore the cloth can be flattened conveniently.

The utility model discloses a dust removal device for a building material workshop, and relates to the technical field of air box type pulse dust removers. The dust removal device for the building material workshop comprises a dust remover body, a bearing plate is fixedly connected to the bottom of the dust remover body, a lifting mechanism is arranged at the bottom of the bearing plate, a dust collection mechanism is arranged at the bottom of the dust remover body, and a cleaning mechanism is arranged in the dust remover body. According to the dust removal device for the building material workshop, by arranging the filter screen, when dust needs to be collected and treated, a pull handle is pulled firstly to enable a clamping strip to be separated from the interior of a clamping groove, then a pull rod drives a scraping strip to scrape on one side of the filter screen, and the dust accumulated on the filter screen is scraped away; and at the moment, the baffle is in a vertical opening state at the top of the dust collection drawer, dust on the filter screen falls into the dust collection drawer to be collected when being scraped off, and the device is convenient for collecting and treating the dust.

The utility model relates to a mask production technical field especially relates to a mask cutting device, the inside left upper end of support frame is connected with the unwinding roller that rolls, the inside right upper end of support frame is connected with the winding roller that rolls, the outside of unwinding roller and winding roller all is around the mouth mask cloth roll that covers, the inside middle position department of support frame is connected with the rotary cutting roller that rotates, the top of rotary cutting roller is equipped with the lifting cutting roller, the utility model discloses the unwinding roller that sets up can carry out the unwinding to the mouth mask cloth roll, and through the rotation of motor makes the winding roller that rolls can carry out the winding to the mouth mask cloth roll that cuts, and through the rotary cutting roller and lifting cutting roller can carry out the sustained one -off forming cutting to the mouth mask cloth roll, and through the effect that sets up the ratchet pawl and inner ratchet gear makes the unwinding roller not excessively loose, and through the rotation of first turntable makes the dismounting screw rod can drive the sliding chuck moves back and forth, so as to carry out the dismounting replacement treatment to the unwinding roller and winding roller.

This utility model discloses a prefabricated moisture-proof and sound-absorbing ceiling, which includes a series of arc-shaped sound absorbers. The arc-shaped sound absorbers are connected to the top beam or floor slab via stainless steel hangers. The arc-shaped sound absorbers include three types: an upwardly concave sound absorber, a first downwardly convex sound absorber, and a second downwardly convex sound absorber. Each upwardly concave sound absorber is adjacent to a first downwardly convex sound absorber and a second downwardly convex sound absorber on both sides, forming an overall wave shape. Each arc-shaped sound absorber includes sound-absorbing cotton, a moisture-proof cloth, and an aluminum plate. This utility model offers excellent moisture and corrosion resistance, good sound absorption, strong structural integrity, and convenient construction.

The utility model relates to a leveling workbench for a damage threshold measuring instrument, in particular to the technical field of auxiliary equipment of measuring instruments. The working table comprises a base, a working table body, four leveling assemblies and an anti-skid pad, the working table body is connected with the base through the leveling assemblies, and the four leveling assemblies are distributed at the four corners of the working table body. The leveling assemblies are arranged on the two side walls of the workbench body, whether a leveling bubble deviates or not is observed firstly, if the leveling bubble deviates, a second nut is loosened, an adjusting screw rod is pulled, then a sliding block moves on a sliding rail, then the workbench body is leveled, fixing is achieved by screwing the second nut after leveling, and the leveling effect is good. The leveling operation is simple and convenient, no extra tool is needed, and through cooperation of the connecting rod, the sliding block and the sliding rail, leveling of the workbench body can be achieved, and the stability of the workbench body can be guaranteed.

This utility model provides a simple flight control leveling device, including a support base, a fine-tuning slide, and a test box. The support base is used to fix the device on the ground or platform. The fine-tuning slide is disposed on the support base and includes several sets of adjustment mechanisms and a slide top plate. The adjustment mechanisms are used to adjust the slide top plate to a horizontal position. The test box is placed on the slide top plate and has a receiving cavity for holding the UAV flight controller. A notch is provided on one side of the test box for the UAV flight controller cable to pass through. Compared with the prior art, this device is simple and low-cost for leveling UAV flight controllers and can quickly calibrate UAV sub-controllers, thereby improving the production efficiency of UAV flight controllers.