485results about "Fixed angles setting out" patented technology

An apparatus used to align door jambs and like structures. A base member comprises a substantially longitudinal section through which a channel is formed in the top surface thereof, one end extending into a first jamb spreader. A first extension member is slidably coupled within the channel of the base member, the extended end of the extension member depending into a second jamb spreader. A second extension member is slidably coupled within the channel of the base member opposite the first extension member, the end opposing the second jamb spreader depending into a third jamb spreader. The jamb spreader of the first and second extension members include horizontal and vertical leveling members. By positioning the opposed jamb spreaders against the opposed door jambs or surfaces, the alignment of the door jambs and door frame may be determined to be in square and plumb alignment.

An apparatus and method for efficiently generating a visible line of light on a surface such as a wall or a floor for the purpose of facilitating the layout process used in construction. Reference marking elements on the instrument correspond to the light beam's position. One or more level vials may be included for indicating vertical and horizontal, as well as a magnet for mounting and a reference bracket for a stud-finder instrument. In one embodiment the instrument is self-leveling on one axis only and is useful for projecting one or more orthogonal lines on a wall surface. The instrument, self-leveling or not, can be combined with a stud finder.

A laser reference device includes at least one planar or flat surface and an internal laser light source for generating a laser light beam. A lens inside the device may convert the laser light into a fan-shaped beam, and project the beam adjacent the planar or flat surface of the housing. The fan-shaped beam thus projects along that surface of the housing. If the laser leveling device is placed with the flat surface on a table or floor, for example, the fan-shaped beam will be in a level plane. This allows a user to place the laser leveling device on a surface and generate a laser light to align surfaces or objects, such as objects on a wall.

The invention provides a device and a method for detecting cylinder verticality. The device for detecting cylinder verticality provided by the invention includes: a horizontal positioning ring, which is mounted on a guide rail and is parallel to the horizontal plane; at least three laser range finding sensors mounted on the horizontal positioning ring; a detection circuit and a host computer software system. The detection circuit detects output signals of the laser range finding sensors, and transmits the output signal to the host computer software system, and the host computer software system judges whether the cylinder is vertical according to the information output by the laser range finding sensors when the horizontal positioning ring is at different positions of the cylinder. Through the scheme provided by the invention, the cylinder verticality and deviation angle can be judged.

The invention concerns a device comprising a flexible and non-elastic yarn divided by at least three retaining means fixed to predetermined locations and at least three fixing means adapted to support the retaining means and whereof the diameter of each fixing means is substantially equal to the internal diameter of the retaining means so as to position the yard along a direction perpendicular to that of the axis of the corresponding fixing means.

An angle measuring device for use in preparing construction layouts, which includes: a generally flat outer circular plate, a generally flat inner circular plate, a first pair of string connectors, a second pair of string connectors, and a means for positioning the angle measuring device over a selected point. The outer and inner circular plates share a common plane. The outer circular plate defines an outer circumference, an inner circumference, and a circular interior aperture. The inner circumference is marked up with indicia for measuring angles. The inner circular plate rotates freely inside the inner circumference and about the center-hole.

The invention discloses a measuring instrument and a measuring method for the verticality and the azimuth of a pile hole. The measuring instrument comprises a measuring rod, a hinge, a support rod, asliding base, two first support parts, a second support part, a water level gauge, a compass, a first laser range finder, a second range finder, and a scale. Each support part comprises a support cylinder, a support telescopic rod, a first fixing knob, and a fixing rod. The middle part of the support rod is connected to the measuring rod through the hinge. The sliding base is slidably connected tothe second measuring rod. Two first support parts are arranged at the two ends of the support rod. The second support part is arranged at the bottom of the sliding base. And the water level gauge andthe compass are arranged at the measuring rod. According to the measuring instrument and the measuring method for the verticality and the azimuth of the pile hole, the measuring instrument realizes the fast and accurate measurement of the verticality and the azimuth of the pile hole, by arranging the measuring rod, the hinge, the support rod, the sliding base, the two first support parts, the second support part, the water level gauge, the compass, the first laser range finder, the second laser range finder, and the scale.

A line block having a body; a first leg extending substantially perpendicular to a longitudinal axis of the body; a first leg quoin line groove extending from a front surface of the first leg; a first leg wall line groove extending from a bottom surface of the first leg; a second leg spaced apart from the first leg, wherein the second leg extends substantially perpendicular to a longitudinal axis of the body, wherein a corner pole receiving groove is defined between at least a portion of the body, the first leg, and the second leg; a second leg quoin line groove extending from a front surface of the body and a front surface of the second leg, along a portion of an inner wall surface of the second leg; and a second leg wall line groove extending from a right side surface of the second leg.

A square includes a laser indicator and comprises a two-part body with a channel running between them defining a pair of perpendicular arms. The channel holds a cavity for a battery or other portable power source as part of an electrical circuit. One or both arms may include a scale as well as an elongate opening on the top of the arm for a handle to move a laser/indicator back and forth along the opening. The arms preferably include a pair of bus bars to conduct electricity from the power source to the laser. The second arm may also include a laser light source that is capable of moving in a direction parallel to the arm, as well as rotating in place.

The invention discloses a verticality detection device for constructional engineering. The device comprises a base, moving wheels and a protection box; moving wheels are installed at the four cornersof the lower end of the base; a protection box is arranged at the upper end of the base; a plurality of heat dissipation holes are formed in one side of the protection box; push rods are arranged at the ends, close to the protection box, of the base; a storage battery is arranged on the left side in the protection box; a driving device is arranged on the right side in the protection box; an adjusting movable rod slides along an insertion hole, and the limiting plate is attached to the wall surface; a movable rod and a cross rod are fixed by a fixed bolt; a driving motor is started to drive a driving wheel to rotate; a belt wheel is used for driving a driven wheel to rotate, and a winding roller rotates; at the moment, the vertical line extends; a metal wire cone moves downwards under the action of gravity; the limiting sleeve limits the vertical line to reduce shaking of the vertical line; the vertical line can be kept in a vertical state quickly, and the detection efficiency is improved.

The invention relates to the technique of building measuring, in particular to a supervision control method of super high-rise building project measuring. The problem that a laser plummet apparatus ishard to maintain to be vertical with a floor, meanwhile, a receiving target is hard to maintain to be perpendicular to the corresponding floor, and accordingly the error of practical measuring is large is solved. The supervision control method is characterized in that division of measuring units are conducted, the error of the laser plummet apparatus is reduced by utilizing a standard support, avertical adjusting mechanism and a horizontal adjusting mechanism, the laser plummet apparatus is used for measuring, a total station apparatus is used for conducting recheck, then the RTK (real timekinematic) technique is utilized to recheck again, and the obtained measuring result is small in error and high in accuracy through comparative analysis of data.

The invention discloses a building detection method and device based on point cloud data analysis, and the device is used for achieving the method, and the method comprises the steps: building a building reference index library which at least comprises a wall surface, a ground, a ceiling horizontal reference surface and the angular deviation and spacing deviation of the wall surface, the ground and the ceiling horizontal reference surface; acquiring indoor actual measurement point cloud data of the target building acquired by laser scanning; converting a coordinate system of the actual measurement point cloud data into a local coordinate system; identifying surface data in the point cloud data, wherein the surface data at least comprises wall surface data, ground data and ceiling data; fitting the data of each surface by adopting a least square method to generate a corresponding fitting surface; calculating the angle difference between the fitting surface and the reference surface, andif the angle difference exceeds the angle deviation, marking the surface as an unqualified surface; and calculating the distance between each actual measurement point in the surface data and the fitting surface of the actual measurement point, and if the distance exceeds the distance deviation range, marking the actual measurement point as an unqualified point, thereby generating an actual measurement result. The detection method does not need manual intervention, and is efficient, rapid and accurate in data.

The invention discloses a device for calibrating perpendicularity and rectifying deviation of a tower crane and a construction method thereof. The device comprises a laser calibration device and a hydraulic deviation rectifying device, wherein the laser calibration device comprises a laser emitter, a laser reflector and a laser receiver; the laser emitter is mounted in a center hole in the upper surface of a base bracket; a power supply adapter is mounted in the base bracket; the laser reflector comprises a reflection lens, a lens framework and a framework transverse frame. The device has the advantages that the device is high in practicability and is safe and reliable, the problem of deviation of a standard section of the tower crane is solved by a deviation rectifier, the problem of calibration of the perpendicularity of the tower crane is solved by the laser calibrator, the working efficiency is improved, and the potential safety hazard is eliminated.

The invention discloses a perpendicularity measuring device which comprises a holding platform and a plumb bob. The perpendicularity measuring device is characterized in that a plumb bob preformed opening is formed in the holding platform; the top of the plumb bob is fixed and vertically penetrates through the plumb bob preformed opening; two light sources are arranged on the holding platform; the light emitting directions of the light sources face to the plumb bob preformed opening and are perpendicular to each other; scale plates are arranged on opposite sides of the light emitting directions of the light sources; the plumb bob is positioned between the light sources and the scale plates; horizontal scales are arranged on the scale plates; scales on the two scale plates are positioned on a same horizontal plane; the holding plate is connected on the machine head of a tower body and moves up and down along with the machine head along a guide track; the projection scale values of the plumb bob on the scale plates are measured so as to test the perpendicularity of the tower body. By adopting the perpendicularity measuring device disclosed by the invention, the problem that relatively large read errors can be caused as the plumb bob is shaken when a conventional method is adopted to measure is solved, the measurement result precision is effectively improved, and the quality of deposit products is improved.

The invention relates to the technical field of constructional engineering detection equipment, in particular to a constructional engineering perpendicularity detection device which is characterized in that a base is provided with a cavity, and inner walls of two opposite sides of the cavity are movably connected with a roller assembly and a control assembly; a turntable is rotationally borne on an upper surface of the base; a level bubble and a telescopic frame are respectively arranged on an upper surface of the turntable; a cross beam and a measuring mechanism are respectively arranged on the telescopic frame; the measuring mechanism is located under the cross beam, one side of the cross beam rotatably bears a wire wheel, a steel wire rope is wound around the wire wheel, a free end of the steel wire rope is connected with a plumb bob, a driving piece and a power assembly are arranged on the base, and an adjusting assembly used for winding the steel wire rope to stay at different positions to adjust the height position of the plumb bob is arranged on the wire wheel. According to the invention, the problems in the prior art that although the movement is convenient, the stability is poor in the detection process, the rotation and height position adjustment of the measuring mechanism cannot be realized can be solved.

The invention relates to a concrete template verticality detector, which comprises a vertical rod, wherein the middle portion position of the vertical rod is provided with a circular level for detecting the precision of the concrete template verticality detector, both ends of the vertical rod are respectively and fixedly connected to an upper portion leaning point and a lower portion leaning point, the upper portion leaning point and the lower portion leaning point are parallel to each other, a laser transmitter is suspended below the upper portion leaning point through a rope, and the lower portion leaning point is provided with scales for matching with the laser transmitter so as to read the template verticality. According to the present invention, the concrete template verticality detector collects the verticality of the vertical rod through the circular level and the lower portion leaning point having the scales reads the verticality of the template, such that the disadvantages of low efficiency and risk of the traditional detection method are overcome, the work efficiency can be significantly improved, the precision is provided, the construction speed can be accelerated, the construction time limit can be saved, the labor can be saved, and the construction cost can be reduced.

The invention discloses a fully-mechanized coal mining face measuring robot device and an automatic measuring system, belonging to the field of intelligent mining of coal mines. The measuring robot comprises a cage, a total station, a prism and an industrial personal computer. According to the invention, the suspension cage with an automatic leveling function is fixedly suspended on a top beam ofa hydraulic support, then the total station and the industrial personal computer are fixed in the suspension cage, and finally, the prism with a plug connector is in butt joint with a base of the total station to form the measuring robot device. According to the fluctuation of a fully-mechanized coal mining face of a mine, a plurality of measuring robots are sequentially arranged along the fully-mechanized coal mining face, and the adjacent measuring robots are intervisible to form the automatic measuring system for covering the fully-mechanized coal mining face of the mine. Accurate geodeticcoordinate measurement of fixed and moving targets of the fully-mechanized coal mining face is realized through the fully-mechanized coal mining face measuring robot device and the automatic measurement system.

The invention discloses an elevator guide rail comprehensive parameter detection and evaluation method and a detection system. A robot is installed on a detected guide rail, and the robot walk to a support detection position to detect guide rail steps, a guide rail distance and guide rail verticality. Detection data is wirelessly transmitted to a handheld equipment terminal. A detection robot anti-collision system detects a guide rail terminal, completes detection work and returns to an initial position. The method and the system have advantages that an independent control model can solve conflicts among multiple detections or control tasks, a guide rail climbing detection robot can detect a detection item specified by a standard only through one-time automatic operation, and detection efficiency is improved; the handheld equipment terminal is convenient to carry, and labor intensity is reduced; ' 'Internet +' ' and artificial intelligence technologies are adopted, potential safety hazards can be found in advance through data mining, and elevator safety is guaranteed; a guide rail distance detection module is in rigid connection with a step detection sensor, assembling errors caused by guide rail distance detection are avoided, and a detection result is accurate.

The invention relates to and discloses a verticality measuring instrument for building work formwork construction. The technical scheme is that the verticality measuring instrument for formwork installation work consists of aluminum alloy withdrawing framework rods, a verticality index dial, a leveling tube and a control circuit, wherein the aluminum alloy withdrawing framework rods are divided into an upper rod (D), a lower rod (F) and auxiliary rods (A); the upper rod (D) can be inserted into the lower rod (F); the upper auxiliary rod and the lower auxiliary rod are welded in a manner of being perpendicular to the upper rod and the lower rod respectively; the upper rod and the lower rod form a right angle relationship with the auxiliary rods; in such a way, after the formation of a whole body in a combining way, an F shape is formed; and the upper end of the lower rod (F) is provided with a spring press button (E) for control and fixation on/of the telescopic position of the upper rod (D). The verticality measuring instrument for the formwork installation work is simple to manufacture, convenient to operate, low in cost and practical in function, and can detect the verticality of installed various-height formworks in the daytime and at night; and therefore, the requirement on the construction work quality is met.