357 results about "Depth direction" patented technology

The invention relates to a structure deformation observation method and system based on binocular zooming. The method comprises the following steps: selecting a plurality of monitoring sections to arrange targets; a binocular camera is arranged to carry out image acquisition on the target, and the image is transmitted back to a rear-end processing system; the rear-end processing system calculates the difference value of the coordinate points of the targets before and after monitoring to obtain the displacement amount of each target in the monitoring period and perform statistics to complete section two-dimensional deformation monitoring; a binocular camera is used for collecting images of a region near a monitored section, the images are compared with a preset image to obtain feature points, the feature points are transmitted back to a rear-end processing system, a depth map is obtained after depth calculation, and three-dimensional deformation monitoring of cracks and slab staggering is completed. The binocular vision instrument is used for monitoring deformation data in a three-dimensional space in the depth direction, crack and slab staggering deformation characteristics on the side wall of the tunnel are accurately reflected, a high-quality image of a distant tunnel is obtained through zoom control, and therefore a target with a smaller size can be used, and the occupation and influence of the target on the tunnel space are reduced.

The invention provides equipment and method for repairing a concrete lining plate in a running water state, and the equipment comprises a truss which is arranged in the depth direction of a canal surface, one end of the truss is a water inlet end, the other end of the truss is a water outlet end, the truss is provided with a sliding frame in a sliding manner, and the sliding frame moves back and forth on the truss in the direction of the water outlet end or the direction of the water inlet end; the telescopic unit is provided with a mounting end and a working end, the mounting end is slidably arranged at the bottom end of the truss so as to slide along the width of the truss, and the working end is provided with a rotating part; and the operation module comprises a cutting unit and a dismounting and mounting unit, and the cutting unit and the dismounting and mounting unit are selectively arranged on the rotating part according to the operation content. The combination of the telescopic unit and the rotating part is matched with the cutting unit and the dismounting and mounting unit to sequentially cut, separate, extract and convey the damaged lining plate and mount the new lining plate, divers do not need to enter water for operation, and compared with cofferdam construction, the device can be directly deployed at the position needing to be repaired, so that the preparatory work process is simplified.

The invention belongs to the related technical field of laser micro-nano machining, and particularly relates to a 2.5 D micro-pattern laser machining method based on an acousto-optic deflector and a galvanometer, which is realized by adopting a laser device based on combination of an acousto-optic deflection module and the galvanometer, and comprises the following steps: in single track scanning of the galvanometer, according to a preset pulse machining sequence corresponding to a machined pattern, carrying out laser processing on the machined pattern according to a preset pulse processing sequence corresponding to the machined pattern; frequency control signals corresponding to the pulses are input into the two acousto-optic deflectors respectively, so that laser pulse distribution formed on the machined part after single-time track scanning of the galvanometer is shown as the pulse superposition number in the depth direction and the lap joint rate between adjacent pulses in the normal direction of the advancing direction of the galvanometer; the pulse superposition number of each pulse position in the depth direction reflects the processing depth of the pulse position, and the pulse number and the pulse overlap rate of each positioning position in the normal direction of the moving direction of the galvanometer are determined according to the section width and the contour radian in the width direction of a processing graph. According to the invention, the processing of any 2.5 D micro-pattern can be realized.

The utility model relates to the technical field of infant products, and discloses a folding locking assembly and an infant bed with the folding locking assembly. The folding locking assembly comprises a locking installation piece, a locking piece is rotationally installed on the locking installation piece, at least one locking groove is formed in the locking piece, the depth direction of the locking groove is parallel to the rotating shaft direction of the locking piece, the locking groove rotates relative to the locking installation piece along with the locking piece, and the locking piece has an initial position and an unlocking position; the bottom supporting piece is rotationally mounted on the locking mounting piece; one end of the biasing piece is mounted on the locking piece, and the other end of the biasing piece is mounted on the locking mounting piece. In the locking and unlocking processes of the folding locking assembly, only the locking piece needs to move relative to the bottom supporting piece under the action of the bias pressing piece, only rotating actions exist in the unlocking and locking processes, the number of the whole parts is small, the structure is simple, actions are concise, and the reliability and safety of the folding locking assembly in the long-term use process can be greatly improved.

A change in a substance in a depth direction of an analyte is easily estimated. An analysis and observation device includes: a library holding section that holds a substance library in which a substance is associated with a type of an element constituting the substance and a content of the element; and a component analysis section that estimates a type of an element constituting a substance and a content of the element based on a spectrum, and estimates the substance based on estimated characteristics and the substance library. The component analysis section estimates a type of an element constituting a substance, a content of the element, and the substance at each of a plurality of positions having different analysis depths.

The invention relates to the technical field of optical three-dimensional measurement and metering, and discloses a single-camera three-dimensional coordinate measurement method and system based on full-field distance measurement, and the method comprises the following steps: S1, building a calibration field containing a control point, shooting an image of the calibration field through a monocular camera, extracting the image coordinate of the control point, carrying out the camera calibration, and obtaining a calibration field; obtaining internal parameters and external orientation parameters of the camera; and S2, controlling the laser range finder to aim at the control point in the calibration field through the non-orthogonal double-axis turntable. Submillimeter-level high-precision measurement can still be realized under the condition of a short baseline, and the problems that the precision in the depth direction is insufficient, the baseline requirement is long, parameters are easy to drift and the like in traditional stereoscopic vision measurement are effectively solved. By introducing a non-orthogonal double-shaft turntable and a visual guidance laser aiming mechanism, autonomous, rapid and accurate measurement of multiple measurement points in a large field of view is realized, and the automation degree and reliability of measurement in a complex environment are remarkably improved.

The invention discloses a method, a device and a system for identifying personnel under a crane jib and related equipment. Inputting the original image into a segmentation network model to segment personnel and suspension arms, and obtaining personnel suspension arm mask data; inputting the original image into the depth estimation network to obtain depth data of the image; combining the personnel suspension arm mask data and the depth data of the image to obtain personnel suspension arm depth data; according to the depth data of the lifting arm of the person, the overlapping degree of the person and the lifting arm in the horizontal direction, the vertical direction and the depth direction is judged, and the first probability that the person is located below the lifting arm is determined; inputting the position coding information of the depth data of the suspension arm of the person and the model cue word into the large language model to obtain a second probability that the person is located below the suspension arm; and according to the first probability and the second probability, obtaining a comprehensive judgment result of the personnel in the dangerous area below the suspension arm. The personnel under the suspension arm can be accurately identified, the equipment deployment cost is low, the space perception capability is high, and the identification process is more efficient and convenient.

The invention relates to a seismic scattered wave field forward modeling method and device, a medium, electronic equipment and a product, and the method comprises the steps: dividing a speed model into a plurality of thin layers from the top of the model to the bottom of the model in a depth direction, acquiring downlink scattered wave data and primary uplink scattered wave data corresponding to each thin layer in a first propagation direction from the top of the model to the bottom of the model along a second propagation direction by using a high-order generalized screen continuation operator based on the Muller model, primary uplink scattered wave data reserved in the first direction is used as an initial value, primary uplink scattered wave data corresponding to each thin layer in the second propagation direction is obtained through the high-order generalized screen continuation operator, and the second propagation direction is the direction from the bottom of the model to the top of the model; and determining a forward modeling seismic record of the detector position according to the uplink scattered wave data corresponding to each thin layer in the second propagation direction. According to the method, the accuracy of forward modeling of the seismic scattered wave field in the viscoacoustic medium can be improved.

The invention discloses a non-contact polarization image measuring device and method for a large-size PBX curing process. The non-contact polarization image measuring device comprises a three-dimensional sample table, a diaphragm, a zoom lens, a micro-polarization array and a detector which are arranged along a light path direction, a sample to be tested is placed on the three-dimensional sample table, and the center of the sample to be tested coincides with the center of the three-dimensional sample table; the diaphragm realizes normalization processing of emergent light energy by regulating and controlling the intensity of reflected light on the surface of the sample; the zoom lens collects normalized emergent light to the surface of the micro-polarization array, and is adjusted and matched with the z-axis of the three-dimensional sample table to realize scanning imaging of a to-be-detected sample in the depth direction; the detector acquires a linear polarization image. According to the method, the PBX is measured through non-contact polarization, high-precision characterization analysis of the PBX curing process is completed by calculating key parameter (polarization angle and polarization degree) changes caused by curing, and the problems of pollution, large error and high danger of a sample in traditional contact measurement are solved.

The invention provides a microwave detection method and device for PE pipe hot-melting weld defects, and the method comprises the following steps: 1) taking a hot-melting weld of a PE pipe and a base material near the weld as detection objects, and carrying out axial and circumferential microwave scanning to obtain a reflection coefficient of each position point; 2) carrying out two-dimensional space Fourier transform on the reflection coefficient of each position point; 3) carrying out phase correction on the converted data in the depth direction; 4) carrying out two-dimensional space inverse Fourier transform on the corrected data to obtain a reflection coefficient of the target; 5, image reconstruction is carried out on the reflection coefficient of the target, and information of the defects in the PE pipe hot-melt welding seam is obtained.According to the scheme, the method has the advantages that the defects can be detected, the defect positions can be determined, and conclusion obtaining does not excessively depend on personnel skills.

The invention discloses a hole wall machining residual stress conversion loading method, and belongs to the field of machining. The implementation method comprises the following steps of: converting the hole wall machining residual stress from the axial direction, the radial direction and the tangential direction of a hole system local coordinate system to x, y and z directions of a part global coordinate system, so that the stress is adaptive to the global coordinate system; equivalent plastic strain corresponding to the residual stress is loaded in the part deformation simulation process, and it is guaranteed that the residual stress cannot be released due to the geometric coordination process of elastic deformation of the part; through a method of only loading the machining residual stress with the maximum equivalent plastic strain on the outermost layer and neglecting the machining residual stress of other layer depths, the rebounding stress under the small plastic strain condition in the layer depth direction is neglected, and cross-scale loading under the condition that the micron-level machining residual stress does not correspond to the grid order of magnitude of an m-level part model is achieved. And a high-precision machining residual stress induced deformation simulation prediction result is obtained. And optimizing machining process parameters according to a simulation prediction result, and realizing active control on the deformation of the part.

A swivel bending machine has, in front of a front side of a workpiece holding unit, a support table for workpieces to be bent. A workpiece manipulator picks up workpieces to be bent from at least one table end region and takes the workpieces, in parallel with the longitudinal direction of a bending beam, to a portion in the longitudinal center of the workpiece holding unit. The workpiece manipulator has a first pair of clamping tongs and, spaced apart from the first pair in the longitudinal direction of the bending beam, a second pair of clamping tongs for clamping a workpiece. At least one pair of clamping tongs has a first stop surface for referencing workpiece positioning in relation to the longitudinal direction of the bending beam and a second stop surface for referencing positioning of this workpiece in relation to a depth direction of the swivel bending machine.

The invention discloses a depth dynamic focusing acoustic lens device and method based on cascade acoustical holography. Comprising a dynamic focusing acoustic lens cascading structure which is arranged in a liquid filling cavity and is mainly formed by cascading two acoustic holographic phase plates in the axial direction, one acoustic holographic phase plate is kept fixed, the other acoustic holographic phase plate moves freely, and dynamic movement of a focus in the depth direction is achieved through axial movement and circumferential rotation; each phase holographic plate is composed of a plurality of microstructure units with different thicknesses in a close array mode, the two sides of each phase holographic plate are concave-convex and flat, and the concave-convex planes face the interior of the cavity. According to the invention, dynamic sound energy focusing can be simply and conveniently realized at a plurality of positions, so that detection and imaging of a detected object on different planes are realized, and the detection efficiency is greatly improved; when in use, the structure can be directly and tightly attached to the surface of a conventional ultrasonic transducer and the surface of a measured component, and scanning and medical treatment of different plane targets can be achieved through simple movement and rotation between holographic plate components in the structure.

The present invention discloses a method for detecting water leakage at the milling joint, which uses a controller, a plurality of wire reels, a water level gauge, a transmitting transducer, a first receiving transducer and a measuring tube. The distance between the joint of adjacent diaphragm wall segments and the two adjacent measuring tubes on both sides is equal. The transmitting transducer and the first receiving transducer move up and down in the measuring tubes on both sides of the joint to be detected through the corresponding wire reels respectively. When the transmitting transducer and the first receiving transducer move up a certain distance each time and the corresponding water level gauges are at the same horizontal height, the transmitting transducer emits ultrasonic signals, and the first receiving transducer receives ultrasonic signals. The first acoustic signal parameter curve along the depth direction of the joint area between the first segment and the second segment is drawn based on the ultrasonic signals received by the first receiving transducer. According to the acoustic signal parameter curve, the position of the water leakage defect section and the degree of the water leakage defect at the joint of adjacent diaphragm wall segments can be quickly and effectively judged.

The present invention can accurately detect the position of a probe including an offset from a target stop position in a depth direction. Illumination light is emitted from the light source to the probe, and an image around the probe is captured by the imaging unit. The calculation unit calculates the position of the probe on the basis of an optical image which is formed by reflected light from the probe of the illumination light and which is captured by the imaging unit. The light source emits illumination light to the tip of the probe from an inclined direction in a state where the tip of the probe is located above the target stop position of the probe. The imaging unit captures an optical image of a plane formed in the vicinity of the target stop position by reflecting the illumination light on the surface of the tip of the probe. The calculation unit acquires the optical image from the imaging unit, and calculates the position of the tip of the probe when the tip of the probe is lowered to the same height as the target stop position.

This invention provides a welding method that allows the robot arm to move in an approaching manner so that the welding tool of the robot arm can reach the abutting portion at the midpoint in the depth direction of the two adjacent sides of the front of one side of the steel column, even for large steel columns, while avoiding a decrease in work efficiency due to frequent approaching movements. [Solution] This welding method uses a support structure 1 to support the robot arm 2. The robot arm 2 is used to weld the butt joint portion 31 between the lower square steel column 3A and the upper square steel column 3B. In the basic position, welding is not performed in areas that the robot arm 2 cannot reach (specific welding locations F), and welding is performed by the robot arm 2 in the weldable area G (thick dotted line area) for a number of passes less than the required number. Then, after removing the erection piece 32, welding is performed on the entire structure.

The invention relates to a sputtering target, a coating system and a coating method thereof. A sputtering target (10) comprises a base (12) with a target plate (14) fixed on the base and made of a first sputtering material, the target plate having a surface (16) and a plurality of recesses (18) formed in the surface. A plurality of inserts (20) are arranged in the recess (18). At least some of the inserts (20) are made of a second sputter material, where the second sputter material has a higher sputter rate than the first sputter material. The aim of the invention is to obtain a particularly homogeneous coating. This is achieved in that the insert (20) made of the second sputtered material is molded such that the length (D1, D2) of the insert measured in a measurement direction parallel to the surface (14) increases in the depth direction (T) from the surface (14) to the base (12).

One aspect of the invention relates to a door (4, 100) for a domestic appliance (1), having a door leaf (6, 101) and having a handle (12, 102) which can be moved relative to the door leaf (6, 101) and is arranged on the door leaf (6, 101), wherein the handle (12, 102) has a handle rod (13, 103) and handle blocks (14, 15, 104, 105) which protrude therefrom in the direction of the door leaf (6, 101), wherein the handle (12, 102) has a bar-like bearing part (17) which is concomitantly moved during movement and on which the handle blocks (14, 15, 104, 105) are arranged, wherein the door leaf (6, 101) has a panel assembly (7) with a plurality of plate-like door panels (8, 9), which are arranged so as to be spaced apart from one another in the depth direction (z) of the door (4, 100), characterized in that an intermediate space (20), which is upwardly open in the basic position of the door (4, 100), is formed by the spaced arrangement of the door panels (8, 9), wherein the bearing part (17) has a covering part (19), by means of which the intermediate space (20) is covered from above and freed to the rear in a basic position of the handle (12), and the intermediate space (20) is covered to the rear in a pivoting position of the handle (12).

The present invention provides a multi-point synchronous automatic measurement method for the lateral deformation of a foundation pit retaining wall, comprising: setting the length of a pipeline according to the depth of a foundation pit retaining wall structure, and pre-burying the pipeline in the foundation pit retaining wall structure; placing a measuring device into the pipeline from bottom to top, the measuring device comprising a support frame, an inclined rod and a sensor, the support frame comprising four rods, adjacent rods being connected by a rotating shaft to form a rectangular structure, inclined rods being arranged on the diagonal lines of the support frame, sensors for measuring changes in the length of the inclined rods being provided on the inclined rods, and each sensor being connected to a collection and transmission device; before the foundation pit is excavated, the initial value of the sensor of each measuring device is read, and a certain frequency is set to automatically collect data, assuming that the bottom of the lowest measuring device has not moved horizontally, a real-time horizontal deformation curve in the depth direction of the foundation pit retaining wall structure is drawn by analyzing the collected data, and the overall lateral deformation data of the foundation pit can be measured synchronously at multiple points.

This invention relates to a sputtering target (10), a coating system (30), and a coating method thereof. The sputtering target (10) includes a base (12) with a target plate (14) fixed to the base and made of a first sputtering material. The target plate has a surface (16) and a plurality of recesses (18) formed in the surface. A plurality of inserts (20) are arranged in the recesses (18). At least some of the inserts (20) are made of a second sputtering material, wherein the second sputtering material has a higher sputtering rate than the first sputtering material. The object of the invention is to obtain a particularly uniform coating. This is achieved by molding the inserts (20) made of the second sputtering material such that the lengths (D1, D2) of the inserts, measured in a direction parallel to the surface (14), increase in the depth direction (T) from the surface (14) to the base (12).

The invention discloses a phase compensation method, device and equipment for a vibration error, a medium and a product, and the method comprises the steps: obtaining a dual-channel image of a to-be-detected object, carrying out the separation coding of the dual-channel image, and obtaining a speckle pattern under a red channel and three fringe patterns under a blue channel; determining the initial displacement of a local area in the speckle pattern under each frame; performing displacement iterative optimization on the whole image of the speckle pattern based on the initial displacement to obtain an optimal displacement; and performing reverse compensation on the three fringe patterns through the optimal displacement to obtain a compensated unwrapped phase. Accurate displacement is obtained through the red channel speckle pattern, the blue channel fringe pattern is reversely compensated, the displacement detection precision and the phase compensation reliability are both considered, and high-precision and real-time compensation of phase offset errors caused by vibration in the depth direction is achieved.

Disclosed is a method for dividing a processing target in which a pattern layer is disposed between a first wafer layer and a second wafer layer. The dividing method disclosed herein may comprise the steps of: forming a processing groove extending in the depth direction from one surface of the processing target to at least the pattern layer; forming a modified region inside the processing target by focusing a laser beam onto a position spaced apart from the other surface of the processing target; and applying an external force to the processing target and thereby forming a crack extending along the modified region.

To save space of a carry-out device that pushes out a workpiece from a cassette in a depth direction of the cassette.SOLUTION: A carry-out device carries out a plate-shaped workpiece accommodated in a cassette from the cassette. The carrying-out device includes: a bendable elongated member in which the elongated member has high rigidity in a longitudinal direction of a linear region as compared with an intersecting direction intersecting a longitudinal direction with respect to an external force along the longitudinal direction when a part of the elongated member is formed in a linear shape, and having high flexibility in the intersecting direction of the linear region as compared with the longitudinal direction with respect to an external force along the intersecting direction, and being capable of advancing and retreating along a depth direction of the cassette, and capable of pushing out a workpiece accommodated in the cassette; a guide part that changes the direction in which the elongated member advances and retreats from a predetermined direction intersecting the depth direction of the cassette to the depth direction; and a drive part that is in contact with the elongated member and advances and retreats the elongated member via the guide part.SELECTED DRAWING: Figure 5

To provide an image inspection device and an image inspection method capable of stabilizing adjustment precision of focusing.SOLUTION: An image inspection device 1 comprises: a photographing section 15; a focus confirmation tool 13 that is disposed in a photographing area A11 before a workpiece to be inspected and is used to previously confirm focusing of photographing while a part facing a side of the photographing section 15 when being disposed in the photographing area A11 becomes a confirmed section in a shape in which the position in the depth direction of a field depth of the photographing section is changed in steps; and a focus adjustment section 171 for adjusting focusing such that a target section corresponding to a workpiece in the confirmed section is included in a range of the depth of field on the basis of a tool photographed image obtained by photographing the focus confirmation tool 13.SELECTED DRAWING: Figure 1

The utility model provides air conditioner pipe reaming equipment and an air conditioner pipe production line, and belongs to the field of pipe machining, the air conditioner pipe reaming equipment comprises a positioning mechanism and a reaming mechanism, the positioning mechanism comprises a positioning plate and a positioning head, the bottom of the positioning plate is provided with a positioning groove, and the length direction of the positioning groove is parallel to the first horizontal direction; the depth direction of the positioning groove is parallel to the vertical direction, and the positioning head can abut against the groove bottom of the positioning groove in the vertical direction. The reaming mechanism comprises a reaming shaft capable of rotating around the reaming shaft, the rotating axis of the reaming shaft is parallel to the second horizontal direction, the reaming shaft can enter and exit from the positioning groove along the axis of the reaming shaft, and the second horizontal direction is perpendicular to the first horizontal direction. Compared with the prior art, the air conditioner pipe reaming equipment provided by the utility model has the advantages that the positioning mechanism and the reaming mechanism are arranged, so that the technical problem that the port part is easy to break in the process of connecting an existing air conditioner pipe with other structures is solved.

The present invention discloses a detection method for the looseness of wire-connected bolts, belonging to the technical field of machine vision detection. Two-dimensional color data and three-dimensional point cloud data of the wire-connected bolt group to be detected are obtained through a 3D camera, and a neural network is used to perform target detection on the wire-connected bolt group; the position of the wire to be detected is obtained by performing line detection on the detection area, and the point cloud data of the corresponding area is extracted; the dimensionality reduction in the depth direction is performed on the point cloud data; the shape of the wire in the depth direction is obtained, and the curvature of the depth change of the wire is calculated to realize the detection of the connection state of the wire. The present invention locates the position of the wire through a two-dimensional image, judges its fracture or missing failure form, and further combines the three-dimensional point cloud data to judge the curvature of the depth change of the wire for looseness detection, which can effectively improve the detection accuracy and assist in intelligent daily maintenance operations.

The invention relates to a six-degree-of-freedom measurement precision calibration method for a double-camera photogrammetry system, which can effectively solve the problems of six-degree-of-freedom precision test and calibration of the existing double-camera photogrammetry system, and adopts the technical scheme that the method comprises the following steps of: 1) erecting the double-camera photogrammetry system; 2) calibrating course angle measurement precision; 3) roll angle measurement precision calibration; 4) calibrating the pitch angle measurement precision; 5) calibrating the length measurement precision in three directions; according to the method, the course angle, the pitch angle and the roll angle serve as evaluation indexes of attitude measurement of the double-camera measurement system, the moving lengths in the horizontal direction, the depth direction and the vertical direction serve as the evaluation indexes of attitude measurement of the double-camera measurement system, and the attitude of the double-camera measurement system is evaluated by comparing the difference value between the measured value and the standard value. Therefore, the calibration of the six-degree-of-freedom measurement capability of the double-camera industrial photogrammetry system is realized, and the method is an innovation of a six-degree-of-freedom measurement precision method.

An information processing apparatus according to an aspect of the present disclosure includes a memory in which a program is stored, and a processor coupled to the memory and configured to perform processing by executing the program. The processing including: acquiring an image captured by a camera and including a fingertip with which a user points to a target; calculating three-dimensional coordinates of the fingertip at a camera viewpoint from the image; transforming the three-dimensional coordinates of the fingertip at the camera viewpoint into three-dimensional coordinates of the fingertip at a viewpoint different from the camera viewpoint; and calculating an angle at which the fingertip points to the target, based on two-dimensional coordinates of the fingertip excluding a depth direction identified from the three-dimensional coordinates of the fingertip at the different viewpoint.

In this laser cutting method and laser cutting device with which a base material is cut by irradiating, with laser, a surface of a base material formed of a composite material, an irradiation step for swinging the laser in a tolerance direction crossing the length direction of a cutting line while moving the laser relative to the base material along the length direction of the cutting line for cutting the base material is repeatedly performed on the cutting line, thereby cutting the base material, and in the irradiation step, a swing width in the width direction of the laser is decreased as the depth in the depth direction from the surface of the base material toward the rear surface increases.

The heavy object storage device is provided with: a frame member for storing a plurality of heavy objects in multiple layers in the height direction, the frame member having an entrance through which the heavy objects enter and exit in a substantially horizontal direction; a plurality of column members extending in the height direction of the frame member; and a pair of attachments that extend in a substantially horizontal direction with respect to the plurality of column members disposed in the depth direction of the frame member and that respectively support both end portions of the weight in the width direction substantially orthogonal to the entry / exit direction of the weight. The attachment is provided with a long side portion and a short side portion, the long side portion and the short side portion extend in two directions substantially orthogonal to the extension direction of the attachment, the dimensions in the two directions are different from each other, and the long side portion and the short side portion are provided so as to be able to be fixed to the column member and the weight object, respectively.