646results about "Reference line/planes/sectors" patented technology

A laser level assembly includes a mounting bracket and a laser level on the mounting bracket. The mounting bracket includes a base part and a back cap. The laser level includes a laser generator, the laser level projects at least one of a horizontal line, a vertical line or a laser spot. The laser level also includes a battery pack receptacle configured to selectively receive a removable battery pack, a wireless transmitter, a circuit board in the mounting bracket, and a secondary power device on the circuit board. The removable battery pack is configured to power the at least one laser generator. The secondary power device is configured to selectively power the wireless transmitter.

The invention relates to an error compensation method of a birefringence self-calibration laser level meter, in particular to the field of laser level meters, and aims to improve the precision of the laser level meter by combining a birefringence effect, physical modeling and neural network optimization. Firstly, temperature data are collected in real time, Kalman filtering is used for noise reduction, and accurate data are provided for physical modeling; then, through physical constraints such as a heat conduction equation and a Jones matrix, a coupling relation between the temperature gradient and optical parameter changes is established; then, dynamically optimizing the refractive index correction by using a physical information neural network to avoid an overfitting problem; and finally, calculating optical path difference compensation by using a hardware accelerator, correcting a system error in real time, and feeding back and adjusting a network weight. According to the method, the precision and the stability of the laser level meter in an environment with relatively large temperature change are effectively improved.

The invention discloses intelligent low-clearance cast-in-place pile construction equipment, system and method. The construction site scanning and model building, paying-off and point position projection and correction, automatic construction path planning, drilling positioning, preparation work before drilling (burying of a soil layer structure integrity evaluation sensor), drilling construction and accurate control of perpendicularity and drilling depth, drilling lifting and in-hole environment detection are sequentially completed. And therefore, the intelligent construction operation of the cast-in-place pile is completed, the equipment has the construction characteristics of miniaturization and large drilling depth, and the intelligent construction operation under the low clearance working condition is perfectly achieved.

A construction laser level including a housing, a laser mount disposed in the housing and at least one laser generator on the laser mount. A fan disposed in the housing and configured to circulate air to improve heat distribution and dissipation.

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 leveling assembly includes a level to indicate level along a variety of planes for a worker. A pair of first laser emitters is integrated into opposing ends of the level to emit a focused beam of light outwardly from the level onto a surface. A pair of clamps is provided which each has a first gripping element and a second gripping element. The first gripping element associated with each of the pair of clamps receives the level for attaching the pair of clamps to the level to receive a support object thereby facilitating the level to be affixed to the support object. A pair of second laser emitters is each integrated into a respective one of the pair of clamps to emit a focused beam of light outwardly from the respective clamp onto the surface for assisting the worker with visually identifying a level mark on the surface.

Various laser level designs and targets are shown. In one example, a laser level emits one or more lasers that can be self-leveled via an internal leveling mechanism. The one or more lasers can be rotated and adjusted in response to commands received from a user. One or more laser levels described project target lights at predetermined distances on a surface, such as a ceiling.

The invention provides an electric power inspection unmanned aerial vehicle navigation positioning method, a medium and equipment. The method comprises the following steps: periodically collecting sensor data; judging whether the current visual frame is a key frame or not; detecting the power transmission line based on the visual key frame image information and calculating a relative pose between the visual sensor and the power transmission line; performing dynamic model-inertia augmentation pre-integration calculation between adjacent visual key frames by using the dynamic model data and the inertial sensor data; solving navigation information of the unmanned aerial vehicle relative to the local navigation coordinate system by combining vision, a kinetic model and inertial information; fusing relative navigation information of the unmanned aerial vehicle and satellite information based on a factor graph method, and resolving absolute navigation information of the unmanned aerial vehicle; and outputting absolute navigation information of the unmanned aerial vehicle. According to the method, more accurate attitude angle estimation of the unmanned aerial vehicle in a high-dynamic environment is realized by fusing kinetic model information, and short-time high-precision and long-time drifting-free navigation information estimation of the electric power inspection unmanned aerial vehicle is realized by utilizing a factor graph optimization technology.

The invention relates to the technical field of bridge high pier perpendicularity measurement, in particular to a bridge high pier perpendicularity detection device and method, and the method comprises the following steps: 1, arranging two centering supports at the fixed positions of a pier vertical edge bearing platform, erecting a high-precision laser plumb aligner to project an upward plumb line visible light, according to the bridge high pier perpendicularity detection device and detection method, a pier top support is adjusted to determine a laser receiving target center on the support; then an automatic sighting total station is erected to aim at a pier top prism, the height of a vertical pier is measured, the elevation of the pier top is calculated, the position of a slope changing formwork is calculated, and the slope changing formwork is adjusted to the proper position according to a positioning stay wire; according to the invention, the design is exquisite, the installation operation is simple and visual, the bearing platform can be operated by one person, and the device can be used for accurate positioning, perpendicularity control and vertical height guide of high piers or high-rise buildings.

A laser system (10) for generating a linear laser marking (34) on a projection surface (33), including a laser beam source (11), which generates a laser beam (25) and emits it along a propagation direction (26), a first beam shaping optical unit (12) embodied as a collimation optical unit and having a first optical axis (13), and a conical mirror (14) which is embodied as a right cone having a cone axis (15) and a reflective lateral surface (22) and is arranged in the beam path of the laser beam downstream of the collimation optical unit (12), wherein the cone axis (15) is oriented parallel to the first optical axis (13). The laser system (10) includes a second beam shaping optical unit (16), which is arranged in the beam path of the laser beam upstream of the conical mirror (14) and reshapes the laser beam into a ring beam (28) having an intensity minimum in the center of the beam.

A laser level mount includes a mount configured to engage a support to couple the laser level mount for secure use of the laser level mount, and a base that is coupled to the mount. The base is configured to support a laser level for movement of the laser level relative to the mount along a first axis and rotation of the laser level about a second axis that is parallel to the first axis and a third axis that is perpendicular to the first axis.

An example method includes receiving a first plurality of coordinate measurement points capturing a portion of an environment and a reference object within the environment, the first plurality of coordinate measurement points defining at least a portion of a first point cloud. The method further includes receiving a second plurality of coordinate measurement points from a position other than the at least one aerial position, the second plurality of coordinate measurement points capturing at least some of the portion of the environment and the reference object within the environment, the second plurality of coordinate measurement points defining at least a portion of a second point cloud. The method further includes aligning the first point cloud and the second point cloud based at least in part on the reference object captured in the first point cloud and the reference object captured the second point cloud to generate a combined point cloud.

A vacuum adsorber includes a housing having an accommodating cavity and an opening communicating with the accommodating cavity; an integrated vacuum pump arranged inside the accommodating cavity; a control panel arranged inside the accommodating cavity and controllably connected with the integrated vacuum pump; wherein the control panel is controllably connected with a photoelectric switch; a power-up assembly having a guide piece and a shading movement portion; and an activating piece covering inside the opening of the housing. By means of setting the activating piece to push the shading movement portion to move in the movement cavity, when the shading movement portion moves to block beams, it causes the state of beams to change, and then voltage inside the photoelectric switch changes; when the control panel detects a change in voltage, it controls the pump to start operating; thereby improving the stability and reliability during starting the pump.

The invention discloses a laser level meter supporting structure, and belongs to the technical field of laser level meters, the laser level meter supporting structure comprises a supporting seat, the top of the supporting seat is provided with a plurality of fixing clamps, the outer side of the supporting seat is hinged with a plurality of supporting frames, and the outer edge of the top of the supporting seat is fixedly provided with an annular folding air bag; an inflation inlet is formed in the bottom of the annular folding air bag; the sealing plate is connected into the supporting seat in a sliding and sealing mode, a plurality of compression springs are fixedly connected to the bottom of the sealing plate, and the bottom ends of the compression springs are fixedly connected to the inner wall of the bottom of the supporting seat; and the triggering mechanism comprises a shot, a rotating disc, four push plates and four clamping bases, and an iron block is fixedly installed at the top of the shot. Through the arranged triggering mechanism, the supporting frame can be controlled to be opened outwards to improve the supporting stability when the laser gradienter vibrates or inclines greatly, the air bag is inflated, the laser gradienter is protected, and the use safety is improved.

A system for registering position and orientation (P&O) of mobile devices relative to a construction site may include: a light projector; at least one sensor configured to record at least one set of XYZ coordinates of at least one specific surface, and a set of XYZ coordinates of the light projector within the construction site; and a computer processor, wherein the light projector is configured to project the XYZ coordinates of the at least one set of position markers onto the at least one specific surface; and wherein the projection of the XYZ coordinates of the at least one set of position markers is detectable by at least one sensor located at a mobile device, allowing registration of XYZ coordinates of a virtual reality interface of the mobile device relative to the projection of the position markers onto the at least one specific surface.

The invention relates to the technical field of paving, in particular to an indoor high-precision 3D paving method which comprises the following steps: when the first paving work is carried out, a distance measuring device is positioned above a datum line, and a control system adjusts the height of a scraping plate at one end provided with the distance measuring device; the 360-degree prism receives laser emitted by the total station in real time, and the control system adjusts the height of the scraping plate at one end provided with the 360-degree prism; when paving is carried out for the second time or more times, the distance measuring device is arranged above the previous paving surface, detects the distance between the distance measuring device and the previous paving surface in real time and transmits distance data to the control system, and the control system adjusts the height of the scraping plate by adjusting the first lifting rod according to data information; the distance between the distance measuring device and the last paving surface is consistent, paving can be carried out without connecting Beidou or GPS satellite signals, and the problem that high-precision paving cannot be carried out by using the paver in a room without satellite signals is solved.

A setting-out method, a measurement system (500), and a computer readable medium. The setting-out method is used for the measurement system (500). The measurement system (500) comprises a navigation module (1, 501), a laser ranging module (2, 502), and a centering rod (6, 503). The navigation module (1, 501) comprises an inertial measurement unit and a GNSS positioning unit. The setting-out method comprises: acquiring projection coordinates of a position vector of an antenna phase center in a first coordinate system by means of a GNSS positioning unit; acquiring distance information between a laser emission point and a laser irradiation point; on the basis of the projection coordinates and the distance information, calculating projection coordinates of the laser emission point in the first coordinate system and projection coordinates of the laser irradiation point in the first coordinate system; further calculating a corresponding setting-out error; and adjusting the centering rod (6, 503) on the basis of the setting-out error.

A system for surveying includes, a base station, for being positioned with respect to an environment, and an augmented-reality device. The augmented-reality device, such as a head-mounted display, has one or more cameras. An image of the base station is acquired by at least of the one or more cameras. An offset from the augmented-reality device to the base station is calculated based on the image. A position of the augmented-reality device with respect to the environment is calculated based on the offset and the base station positioned with respect to the environment. A virtual object in relation to the environment can then be presented to a user, using the augmented-reality device.

A real-time offset monitoring method for miniature pipe curtain jacking of auger soil discharge. The real-time offset monitoring method comprises: welding a measurement auxiliary pipe (8) to an outer wall of a pipe curtain steel pipe (1), providing a laser pen (9) inside the front end of the measurement auxiliary pipe (8), and enabling a light beam emitted by the laser pen (9) to be emitted to the rear end of the pipe from the front end of the pipe along the interior of the measurement auxiliary pipe (8); and after the measurement auxiliary pipe (8) is mounted, symmetrically welding a male lock catch (7) and a female lock catch (6) of the pipe curtain steel pipe (1) by taking a line connecting the center of the measurement auxiliary pipe (8) and the center of the pipe curtain steel pipe (1) as an axis, and connecting the male lock catch and the female lock catch with the pipe curtain steel pipe (1) to form a whole; fixedly mounting a measurement plate (10) on a housing of a pipe curtain drilling machine (20), such that a center point of the measurement plate (10) coincides with the light beam of the laser pen (9); and when the pipe curtain steel pipe (1) is jacked, observing changes of the position of the laser beam on the measurement plate (10), so as to know the displacement of a drill bit (5) of the pipe curtain drilling machine (20) from the pipe curtain steel pipe (1) in real time. The monitoring method solves the problem that the miniature pipe jacking of auger soil discharge cannot realize real-time measurement of jacking, and can also realize real-time monitoring for the displacement of a jacked pipe curtain steel pipe (1).

The invention discloses an automatic tower foundation pit dividing device and method based on laser point cloud, relates to the technical field of tower foundation pit dividing of power transmission line mechanical construction, and solves the problems that existing power transmission line tower foundation pit dividing is low in automation degree, low in operation efficiency, low in manual operation precision and prone to generating pit dividing errors. Comprising a tripod and an equipment holder installed at the top of the tripod, a box body is arranged above the equipment holder, the box body is in butt joint with the equipment holder through a holder connecting piece, a laser radar is arranged on the inner side of the box body, and a top cover is installed at the top of the box body; the device further comprises a pit separating mechanism used for enabling the laser radar to automatically and efficiently separate pits, and the pit separating mechanism is installed on the inner side of the box body. Through the pit separation mechanism, automatic pit separation, design guidance, foundation acceptance and foundation bolt verification of the transmission tower foundation can be achieved, and therefore the effect of automatic and efficient pit separation is achieved.

The invention provides a power transmission line tower body assembly positioning and hoisting attitude control method in a desert environment, and relates to the technical field of power transmission engineering construction, and the method comprises the steps: obtaining power transmission line tower body structure parameters and desert environment parameters, the desert environment parameters comprise geological conditions, wind speed and wind direction; establishing a laser positioning reference system, wherein the laser positioning reference system comprises three laser emitting devices with angle and distance sensors; the tower body sections are assembled and positioned, space coordinates are established through laser marking projection, and the positions are corrected through a self-adaptive algorithm; installing an inertial measurement unit; establishing a hoisting attitude control system which comprises a main arm crane, an auxiliary crane and a tensioning device; in the hoisting process, the center-of-gravity offset is calculated based on the attitude data, and each device is controlled to realize attitude stabilization; and finally, curing materials are injected into the tower body foundation to complete installation.

A measurement system (100) of the present disclosure is provided with a first measurement device (10), a second measurement device (20), and an information processing device (30). The first measurement device (10) includes a first laser rangefinder (11) and a panel (12) that is disposed at a first relative position with respect to the first laser rangefinder (11). The second measurement device (20) includes two position meters and a second laser rangefinder (22) that is disposed at a second relative position with respect to the two position meters, radiates in a ranging direction, and measures distance. The information processing device (30) includes a calculation unit (32) that calculates an absolute position (P0) of an object on the basis of absolute positions of the two position meters, a vertical distance (Lx), a horizontal distance (Ly), the first relative position, and the orientation of the ranging direction of the second laser rangefinder.

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.

A level holding device configured to have releasably secured thereto a first laser level and a second laser level wherein the present invention secures the first laser level and second laser level such that lasers emitting therefrom intersect at a ninety degree orientation. The present invention includes a base support member wherein the base support member includes a first portion and a second portion. The first portion and second portion of the base support member are contiguously formed. The first portion and second portion have secured thereto retention clamps that are configured to releasably secure a laser level to the upper surface thereof. The base support member is elevated above the floor on which the level holding device is superposed utilizing a plurality of leg members. The leg members are further configured to be superposed an element protruding upward from the floor.

Various laser level systems that provide for automatic alignment between a laser level and a detector are shown. In one example, a laser level system including a laser level and a detector uses more than one pairing frequency for recognition between the laser level and the detector. The laser level and detector will choose one of the pairing frequencies and the detector will then determine whether the laser frequency matches the selected pairing frequency and send a control signal to the laser level in response to the laser beam with the selected pairing frequency. If the detector determines the laser beam frequency does not match the selected pairing frequency, the detector does not send a control signal.

Various laser mount designs are shown. The laser mount includes a body, a movable laser platform and a connection mechanism to clamp onto a surface and / or object. The connection mechanism includes a retention plate, a threaded rod, guide rods, a pair of connection jaws or clamps and a clamp adjustment screw knob configured to move both connection jaws. The connection jaws are designed to clamp onto a variety of surface shapes and material sizes.

A laser level assembly comprises a mounting bracket, and a laser level rotatably mounted on the mounting bracket. The laser level is configured to project at least one of a horizontal line, a vertical line, or a laser spot. A rotational drive in the mounting bracket is configured to drive rotation of the laser level relative to the mounting bracket, the rotational drive comprising a worm screw and a worm wheel. A remote control is configured to receive user input for operation of the laser level assembly. A control panel on the mounting bracket is configured to receive user input for operation of the laser level assembly.

The present invention discloses a combination tool including a housing defining an internal cavity, in which a laser module and a level assembly are provided. The laser module is configured to produce spot-shaped laser light and / or linear laser light. The level assembly is configured to indicate a degree of levelness. The combination tool may further include a rangefinding module and a detection module, which provide the functions of rangefinding, detecting a wood / metal component, or the like.

The invention relates to a collimation correction device, which is used for solving the problem of inaccurate correction caused by easy error accumulation in the known correction technology. The body comprises a reference center which is located on an aim point plane; the first alignment point is positioned on a first plane parallel to the aim point plane; the second alignment point is positioned on a second plane parallel to the aim point plane; at least two of the aim point plane, the first plane and the second plane are spaced from each other; on a reference plane parallel to the aim point plane, an alignment angle which is not equal to 0 degree and 180 degrees is defined by two projection axes formed by points projected by the datum center, the first alignment point and the second alignment point in sequence. The invention has the effect of improving the correction accuracy and reliability.

In one example, a laser level target post for leveling a server cabinet is disclosed. The laser level target post includes an elongated body section and a reflective surface at a top end of the elongated body section. The top end reflective surface is to reflect a received light beam for leveling a top surface of the server cabinet. The laser level target post also includes a magnetic base at a bottom end of the elongated body section. The magnetic base may attach the laser level target post to a corner of the top surface of the server cabinet.