127results about "Reference line/planes/sectors" patented technology

The invention relates to a marking and / or leveling device (1) comprising a light source (4) disposed on a pendulum (3) that can pivot relative to a housing (2). According to the invention, means are provided for accelerating (9) the pendulum (3) and / or a pendulum bearing (8) in a pulsing manner.

A laser level system includes a laser level configured to project a laser beam and a laser detector configured to detect the laser beam projected by the laser level. The laser detector includes at least one array of photo detector configured to detect the laser beam. The laser level and laser detector are configured to wirelessly communicate. The laser level and the laser detector are configured to selectively operate in a beam find mode. The laser level is configured to perform sweeps in the beam find mode to locate the laser beam on the at least one array of photo detectors.

A laser level includes a housing having a laser emitter to emit a laser along a plane. The laser level includes a mounting base connected to the housing. The housing is pivotable relative to the mounting base about three axes by a user grasping the housing and moving the housing. The housing includes a first micro-adjustment knob to adjust the housing, relative to the mounting base, about a fourth axis. The housing includes a second micro-adjustment knob to adjust the housing, relative to the mounting base, about a fifth axis perpendicular to the fourth axis.

Various motorized device designs with backlash detection systems are shown. In a specific embodiment, a motorized laser level mount includes a rotatable laser platform, a housing cover, a housing, a gear train and a backlash detection system. The backlash detection system coupled to the motor and the laser platform and configured to determine when backlash has been removed from the gear train.

The invention relates to the field of angle measurement, in particular to a positioning measurement device for pipe jacking construction, which comprises a working well and a pipe body mounted on the lower part of the side surface of the working well in a penetrating manner, a turnover piece is mounted on the inner side surface of the working well, and the end part of the turnover piece is connected with a center frame; the axis of the center frame is aligned with the center point of one end of the pipe body, a centering frame is coaxially arranged at the other end of the interior of the pipe body, a plurality of inclined fixing frames are obliquely arranged on the outer side of the center frame in an annular array mode, the inclined fixing frames are attached to the inner edge of one end of the pipe body, and a plurality of wheel frames are arranged on the outer side of the centering frame in an annular array mode. And centering wheels are installed at the two ends of the wheel frame and attached to the inner wall of the pipe body, and a detection piece is installed at the end of the center frame. According to the invention, the detection convenience is improved, the device can adapt to pipe bodies with different diameters, the detection requirement is met, and meanwhile, the normal operation of pipe jacking construction operation is ensured.

A laser system (10) for generating a linear laser marking (38) on a projection surface (37), including: a laser beam source (11), which generates a laser beam (28) and emits it along a propagation direction (29), an offset device (16) having a first interface (21), at which a first deflection of the laser beam is effected, and a conical mirror (14), which is embodied as a right cone having a cone axis (15) and a reflective lateral surface (26), wherein the conical mirror (14) is arranged in the beam path of the laser beam downstream of the offset device (16). The offset device (16) is embodied as rotatable about an axis of rotation (17), wherein the axis of rotation is arranged coaxially with respect to the cone axis (15).

A device for calibrating a laser level includes a base platform, a target, and an image recognition device. The base platform is configured to support the laser level that is to be mounted on the base platform at a first position. The target is arranged at a second position of the base platform and configured to receive a laser. The image recognition device is configured to obtain images of lasers projected on the target before and after the laser level rotates a first angle, determine, based on an image recognition result of the images, positions of the lasers emitted by the laser level to determine a deviation distance, and determine whether the laser level needs to be calibrated based on the deviation distance. The deviation distance is determined by position data of the first position and the second position, and the first angle.

The invention belongs to the technical field of building tools, and discloses a grating type wall brick laser pay-off device which comprises a supporting mechanism, an adjusting mechanism is installed on the supporting mechanism, an optical mechanism is installed on the adjusting mechanism, and the supporting mechanism is used for providing stable support for the whole device and can adjust the height of the optical mechanism. The adjusting mechanism is used for achieving horizontal calibration, vertical calibration and distance calibration with a to-be-constructed wall face on the optical mechanism, and the optical mechanism is used for conducting projection on the to-be-constructed wall face to form clear and straight wall brick laying reference grid lines with the uniform distance. Through the coaxial optical design of the laser, the five-time Galileo beam expanding lens, the DOE grating and the plano-convex lens and the multi-dimensional accurate calibration of the adjusting mechanism, it is ensured that wall tiles, floor tiles and suspended ceilings are accurately crossed and jointed, internal and external corners are straight, and the pain point that traditional paying-off precision is insufficient is solved.

The invention relates to a positioning device (3) for positioning metal profiles (2) to be attached to a support structure (1) for drywall construction, comprising a base body (4) with an end plate (5) having an end surface (6) designed to establish a magnetic connection to the metal profile (2), wherein a first scale (9, 10, 11 / 11', 12) is arranged on a broad side surface (8) of a broad side plate (7) of the base body (4) arranged perpendicular to the end plate (5). According to the invention, at least one narrow plate (13, 13') is provided, arranged perpendicular to the broad side plate (7) and perpendicular to the end plate (5), each with at least one broad side surface (14) having a second scale (15).

Provided are a movable marking system, a method of controlling a movable marking apparatus, and a computer-readable recording medium. The movable marking system is a movable marking system that includes a movable marking apparatus, and includes: a data receiver, which receives a marking data; a driver, which supplies power to the movable marking apparatus and moves the movable marking apparatus; at least one sensor, which senses a space; a sensing condition setter, which sets a movement path along which the movable marking apparatus moves; and a position detector, which detects a position of the movable marking apparatus by comparing sensing data obtained through the sensor with a reference map data. The reference map data is generated from a drawing corresponding to the space or from a former sensing process, the movable marking apparatus comprises a receiver receiving position signal received from at least one transceiver, and the position detector determines the position of the movable marking apparatus using information obtained from a transceiver and / or a marker installed in the space, thereby improving positioning accuracy of the movable marking apparatus in real-world environments.

In a surveying instrument including an instrument height measuring unit configured to make a distance measurement by emitting distance-measuring light to a distance-measuring object below a vertical axis of a surveying instrument main body, and an arithmetic unit configured to calculate a distance to the distance-measuring object by analyzing light being the distance-measuring light that has returned by being reflected by the distance-measuring object, and calculate an instrument height, the instrument height measuring unit is configured to make a distance measurement by irradiating the distance-measuring light toward a predetermined region of the distance-measuring object centered on a point below the vertical axis of the surveying instrument main body, and the arithmetic unit is configured to calculate the instrument height by operating an average value of distance-measurement values in the region. By calculating an average value of results of distance measurements of a predetermined region, the measurement accuracy can be improved.

The invention discloses a measuring device for auxiliary control of layered pouring height at night and a use method. The device comprises a shell, a light-transmitting plate, a lamp holder, a lamp strip, a light barrier and a transmission mechanism. The shell is of a cube structure with the hollow interior, the closed bottom face and the open top face, a through hole is formed in one side face, and a light-transmitting plate fixedly connected with the shell is arranged on the through hole. The lamp holder is arranged in the shell and comprises an upper transverse rod, a lower transverse rod and two vertical rods which are oppositely arranged and used for connecting the upper transverse rod and the lower transverse rod. Light barriers are installed on the upper surfaces of the upper cross rod and the lower cross rod, and lamp strips with different colors are installed on the lower surfaces of the upper cross rod and the lower cross rod. An electric push rod is fixed to the lower cross rod, and the telescopic end of the electric push rod faces the upper cross rod. The transmission mechanism comprises a transmission mechanism I used for adjusting the upper cross rod and a transmission mechanism II used for adjusting the lower cross rod. The device is simple in structure, main components can be repeatedly used, and the requirement for the operation environment is low.

The invention relates to a positioning device (3) for positioning metal profiles (2) to be fastened to a support structure (1) for drywall construction, comprising a main body (4) with an end plate (5), which has an end face (6), which is designed to produce a magnetic connection to the metal profile (2), wherein a first scale (9, 10, 11 / 11', 12) is arranged on a broad-side face (8) of a broad-side plate (7) of the main body (4), which broad-side plate is arranged at a right angle to the end plate (5). According to the invention, at least one narrow plate (13, 13') is provided which is arranged perpendicular to the broad-side plate (7) and perpendicular to the end plate (5) and has a respective at least one broad-side surface (14) having a second scale (15).

In a surveying instrument including an instrument height measuring unit the instrument height measuring unit includes a light transmitting unit configured to emit light, a beam splitter configured to be incident with light emitted from the light transmitting unit, split the incident light into reference light and distance-measuring light, send the reference light to a reference light path, and send the distance-measuring light to a distance-measuring light path, a first light receiving unit configured to receive the reference light, a second light receiving unit configured to receive light being the distance-measuring light that has been emitted toward a position below the vertical axis of the surveying instrument main body and returned by being reflected by a distance-measuring object, and an arithmetic unit configured to calculate the instrument height based on a difference between light reception signals generated by the first light receiving unit and the second light receiving unit.

The invention discloses a laser measurement correction device convenient for curtain wall installation, and relates to the technical field of curtain wall installation, and the laser measurement correction device comprises an adsorption assembly and an observation assembly; the adsorption assembly comprises a rotating plate, an energy storage plate and an extension plate; the extending plate is fixed to one side of the energy storage plate, the energy storage plate is used for being adsorbed to a curtain wall, and the rotating plate is rotationally connected to the end, away from the energy storage plate, of the extending plate through a friction hinge. The observation assembly comprises a rhombic plate, and the rhombic plate is rotationally connected to one side of the rotating plate; the whole device can be firmly adsorbed on the surface of a curtain wall through an electric suction cup of the adsorption assembly, a stable and reliable reference platform is provided for measurement, and errors caused by factors such as manual shaking or wind power in traditional handheld measurement are avoided; the rotating plate is connected with the extension plate through the friction hinge, so that the rhombic plate and the laser transmitter can flexibly rotate to the optimal observation angle to adapt to the position where the sight of a worker faces upwards or downwards, and can be automatically fixed after being adjusted to facilitate multi-angle observation.

Laser level system and method for visualizing a reference line (RL) using a laser level system including a laser level (11) configured to emit a vertical laser beam (23), a rotation base (12) configured to rotate the laser level (11) about an axis of rotation, a receiver (13), and a computer system, the reference line (RL) being defined by a first reference point (P1), at which a zero line of the receiver (13) is placed, and a second reference point (P2), at which the axis of rotation of the rotation base (12) is placed, the method being performed by the computer system and comprising the steps: ▪ Awaiting an activator element to be applied, ▪ When the activator element has been applied, instructing the laser level (11) to emit the vertical laser beam (23), and ▪ Instructing the rotation base (12), that is motorized and to which the laser level (11) is connected, to rotate the laser level (11) about the axis of rotation until the vertical laser beam (23) is coincident with the zero line of the receiver (13), wherein the axis of rotation is coincident with the vertical laser beam (23).

A laser level assembly comprising: a laser level, the laser level comprising a laser generator, the laser level configured to project at least one horizontal line and at least one vertical line; a battery pack receptacle configured to selectively receive a removable battery pack, the removable battery pack configured to power the laser generator; a wireless transmitter; a secondary power device, the secondary power device configured to power the wireless transmitter; wherein the secondary power device is in a water-resistant housing.

The invention particularly relates to a laser marking instrument wireless charging intelligent management method based on multi-source information fusion. According to the method, aiming at the problems of heating, measurement interference, low efficiency and the like caused by simply adding a wireless charging function to an existing product, a currently allowed safe charging power upper limit is dynamically decided by monitoring multi-source parameters such as internal temperature of an instrument, a power supply state, a working mode and capability of an external charger in real time and performing fusion calculation; therefore, the wireless charging receiving module and the internal power distribution circuit are intelligently controlled, and the energy flow direction is cooperatively managed. Charging overheating is effectively prevented, measurement precision is guaranteed, a charging strategy is adaptively adjusted according to different working modes, the core function of the system is preferentially ensured, energy distribution efficiency is optimized, and the service life of a battery is prolonged. According to the invention, the safety, intelligence and user experience of the laser marking instrument in a wireless charging scene are significantly improved.

A system including a laser reading unit and a laser distance measuring unit is disclosed. The laser reading unit may be mounted on a device body associated with a device. The laser reading unit may read a laser signal projected by a laser projecting unit to establish a reference point. The reference point is a point at which the laser reading unit reads the laser signal projected by the laser projecting unit. The laser distance measuring unit may also be mounted on the device body. The laser distance measuring unit may measure a vertical distance between the reference point and ground.

The present application relates to a laser leveling device comprising: a bracket assembly, a pendulum (114) disposed in the bracket assembly, and a locking device (200) comprising a safety lock (210) and a locking arm (220), wherein the locking arm is attached to the bracket assembly and selectively engaged with the pendulum, and is configured to: pivot relative to the bracket assembly around a pivot axis extending in a first direction perpendicular to a vertical direction between a locking position and a releasing position in response to receiving an external input to switch the laser leveling device from one of an OFF state and an ON state to the other, and the locking arm is configured to be engaged with the pendulum in the locking position to fix the pendulum and disengaged from the pendulum in the releasing position to allow the pendulum to move, and wherein the safety lock is attached to the locking arm and is engaged with the bracket assembly selectively so as to prevent the locking arm (220) from moving from the locking position to the releasing position without receiving an external input to switch the laser leveling device from the OFF state to the ON state.

A laser leveling device (100) is disclosed, comprising at least two line projection devices (120), a housing (110) wherein the housing (110) has at least two output domes (130) for each of the line projection devices (120), and an operating unit (150) for operating the laser leveling device (100). It is proposed that the operating unit (150) be arranged between the output domes (130).

The disclosure relates to a laser generating assembly (108) comprising: a housing (112); a first laser generation device (113) configured to generate a first output laser beam of light (116) along a first plane; a second laser generation device (114) configured to generate a targeting laser beam of light (130); and a controller (111) configured to: receive a first signal (202) indicating that the targeting laser beam of light (130) is intersecting a surface (169); and in response to a remote (210) detecting an obstruction, display a warning message (238), generate an audio warning, or blink the first output laser beam of light (116) or the targeting laser beam of light (130).

A laser layout system is provided. The laser layout system includes a first device including a laser generating device configured to emit a first laser beam down to the lower surface and a second laser beam up to the upper surface, and a camera; a system includes a first device including a camera, and a second device including a display screen and a receiver configured to receive a signal from the first device, the signal representing an image captured by the camera, the display screen configured to display the image captured by the camera in response to receiving the signal.

The present application relates to the technical field of shipbuilding, and particularly relates to an adjusting mechanism of a sight glass. The adjusting mechanism of the sight glass comprises a support assembly and an adjusting assembly. The support assembly comprises a front seat frame, a joint ball head and a rear bracket, the front seat frame is connected with the rear bracket, and the joint ball head is rotatably arranged in the front seat frame. The front end of the sight glass is fixedly arranged in a through hole of the joint ball head, the front seat frame can be arranged in an inner hole of a stern tube of a ship, and the position of the front seat frame relative to the inner hole can be adjusted in the up-down direction and the left-right direction. The adjusting assembly is arranged on the rear bracket, and the adjusting assembly is in transmission connection with the rear end of the sight glass to adjust the position of the rear end of the sight glass in the up-down direction and the left-right direction, respectively. The front end of the sight glass is mounted on the front seat frame through the joint ball head, when the adjusting assembly adjusts the rear end of the sight glass, the axis of the front end of the sight glass will not be deviated, the number of adjustment operations of the sight glass is simplified, the adjustment time is shortened, and the adjustment efficiency and the adjustment accuracy are improved.

Provided is a surveying instrument which allows an operator to determine a direction in which the surveying instrument is installed even when the surveying instrument is invisible. The surveying instrument is configured to emit a visible laser beam coaxial with or parallel in a vertical plane to a sighting axis as main laser-pointer light; and emit a laser beam in a different form from the main laser-pointer light, as auxiliary laser-pointer light at a predetermined angle to the main laser-pointer light in a vertical plane containing the main laser-pointer light.

The invention belongs to the technical field of tunnel construction, and particularly relates to a laser-controlled tunnel back break directional guiding device and a using method.The laser-controlled tunnel back break directional guiding device comprises an electric telescopic rod, the outer surface of the lower end of the electric telescopic rod is fixedly connected with a fixing ring, the upper end of the electric telescopic rod is rotationally connected with a base, and a positioning plate is arranged below the base; the outer side face of the positioning plate is rotationally connected with connecting rods in an array mode. According to the guiding device, through cooperative work of the high-precision angle encoder integrated by the total station and the horizontally-arranged laser range finder, annular scanning and data collection of the tunnel face can be rapidly completed, an actual form digital model is constructed through coordinate conversion operation of the controller, the efficiency of data collection and deviation judgment is greatly improved, and the working efficiency is improved. In addition, the design contour and the deviation area can be visually presented through laser projection, constructors are helped to accurately control the tunneling direction, overexcavation waste and undercut rework are effectively reduced, the construction cost is reduced, and the tunnel construction quality and progress are improved.

The utility model relates to a laser measuring tool which comprises a first assembly and a second assembly, one of the first assembly and the second assembly is a laser demarcation device, and the other one is a laser range finder. The second assemblies can be selectively installed on at least two different installation faces of the first assembly, and the laser projection directions of the second assemblies located on the different installation faces are different. According to the utility model, multidirectional installation and function collaboration are realized, and the system is suitable for building construction, indoor decoration, equipment installation and other scenes.