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35 results about "Plumb bob" patented technology

A plumb bob, or plummet, is a weight, usually with a pointed tip on the bottom, suspended from a string and used as a vertical reference line, or plumb-line. It is a precursor to the spirit level and used to establish a vertical or horizontal datum.

Perpendicularity detection device for construction engineering

The invention discloses a perpendicularity detection device for construction engineering, and belongs to the technical field of construction engineering. The verticality detection device for the construction engineering comprises a plumb bob and a plumb line fixed at the center position of the top end of the plumb bob, and further comprises a supporting platform, an annular limiting groove is formed in the top of the supporting platform, a clamping assembly used for clamping the plumb bob is arranged in the annular limiting groove, and the clamping assembly comprises a supporting pipe. The multiple supporting pipes are horizontally arranged in the annular limiting groove and fixedly connected with the supporting platform, the multiple supporting pipes are arranged along the axis of the annular limiting groove in an array mode, moving rods are slidably embedded in the multiple supporting pipes in a one-to-one correspondence mode, one ends of the multiple moving rods are fixedly connected with clamping plates, a cavity is formed in the supporting platform, and a driving assembly is arranged in the cavity; the plumb bob is stably clamped through the clamping assembly arranged in the annular limiting groove, and the problem that the detection precision is affected due to the fact that the plumb bob is prone to shaking under the action of outdoor wind power is solved.
Owner:巴里坤哈萨克自治县建设工程质量安全服务中心

A centering measurement method for shipbuilding

The present invention provides a centering measurement method for shipbuilding, which relates to the field of centering measurement. The centering measurement method comprises the following steps: step 1, tying a chalk line above a reference plane, hanging a simulation block at the lower end of the chalk line, allowing the chalk line to naturally hang and remain stationary; step 2, removing the simulation block and hanging a plumb bob; step 3, placing a light source structure on the reference plane, the light source structure being located on one side of the plumb bob, and a segmented measurement surface being located outside the reference plane and corresponding to the other side of the plumb bob; step 4, turning on the light source structure to emit irradiation light toward the other side of the plumb bob, the irradiation light being parallel light, and the irradiation direction of the irradiation light forming an inclined angle with the plane where the reference plane is located; step 5, under the irradiation of the light source, a chalk line projection line is formed on the segmented measurement surface, adjusting the positions of the chalk line and the plumb bob so that the chalk line projection line coincides with the center line of the segmented structure, and observing the deviation value between the plumb bob tip projection and the center line of the reference plane to determine the centering accuracy of the segmented structure.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD

Construction and installation method for prefabricated column

The invention provides a construction and installation method for a prefabricated column. The construction and installation method sequentially comprises the following steps that S1, construction preparation is conducted; s2, hoisting the prefabricated column; s3, prefabricated column installation and perpendicularity correction are carried out; and S4, grouting the prefabricated column. According to the invention, the whole-process standardized operation is realized; technical standards of all links are defined, man-made randomness can be reduced, and construction controllability and repeatability are improved. A metal cushion block and a jack are adopted for fine adjustment, and the perpendicularity deviation is monitored in real time in combination with a theodolite; and steel bar trial pairs are reserved, so that the dislocation risk is avoided in advance. A hoisting safety layering confirmation mechanism is adopted; safety confirmation is performed for three times, and a small mirror is combined to assist in alignment inspection, so that the hoisting accident rate is reduced. Multiple tools are adopted to cooperate with perpendicularity correction, a crowbar, a plumb bob, a guiding rule and a theodolite are combined for use, and an inclined support expansion bolt is matched for fixation, so that the correction time is shortened, and the single-column installation efficiency is improved.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Fracturing downhole parameter monitoring device

The utility model discloses a fracturing downhole parameter monitoring device which comprises a three-component geophone and a placing circular plate which are detachably connected in sequence from top to bottom. The supporting base is of an L-shaped structure, the side wall of the supporting base is connected with the well wall of the fractured well through bolts, and the middle of the bottom wall of the supporting base is connected with the containing circular plate through an automatic correction assembly; the automatic correction assembly comprises a ball sleeve, the upper end and the lower end of the ball sleeve are each of an open structure, and the side wall of the ball sleeve is fixedly connected with the bottom wall of the supporting base through a connecting rod; the ball is rotatably arranged in the ball sleeve, the upper end of the ball is connected with the placing circular plate, the lower end of the ball is detachably connected with a plumb bob, and the center of the placing circular plate, the center of the ball and the axis of the plumb bob are collinear; by means of the characteristic that the placing circular plate, the ball and the plumb bob are coaxially arranged, automatic horizontal correction is carried out on the placing circular plate supporting the three-component geophone; therefore, the three-component geophone calibration device can play a role in quickly calibrating the three-component geophone.
Owner:YANGZHOU UNIV

Mounting and welding method for penetration piece of containment vessel of nuclear power station

ActiveCN120133905ANuclear energy generationNuclear powerPlumb bob
The invention relates to the technical field of nuclear power stations, in particular to an installing and welding method for a nuclear power station containment penetration piece. The installing and welding method comprises the steps that a plumb bob box and a horizontal ruler are arranged on the end face of the penetration piece, a plumb bob is arranged in the radial direction of the vertical direction, and the horizontal ruler is arranged in the radial direction of the horizontal direction; the intersection point between the leveling instrument and the plummet is the center point of the end face of the penetration piece, and marking the two center points of the two end faces of the penetration piece; measuring the two central points by using a total station to obtain a central axis and a central point position of the penetration piece; comparing the central axis of the penetration piece with the central axis of the mounting hole in the cylinder plate, and comparing the central point of the penetration piece with the central point of the mounting hole; and if not, adjusting the penetration pieces to enable the penetration pieces to be in one-to-one correspondence. The invention provides a mounting and welding method of a nuclear power station containment penetration piece, which aims to reduce the position deviation of the penetration piece relative to a cylinder plate after the penetration piece is welded to the cylinder plate.
Owner:CHINA NUCLEAR IND 23 CONSTR +1

Single-person verticality detector

ActiveCN223258928UIncline measurementControl theoryPlumb bob
The utility model provides a single-person verticality detector, comprising a telescopic vertical rod, the top end and the bottom end of which are respectively and vertically provided with a cross rod and a base; the top end of the plumb bob is connected to the cross rod; the scale plate is installed on the telescopic vertical rod, the middle of the scale plate is provided with a through hole for a plumb bob to penetrate through, and scales are arranged on the scale plate and the cross rod; the scale plate, the cross rod and the front end of the base are located on the same vertical face and used for abutting against an outer side formwork of the concrete column. The utility model has the advantages that the verticality of the column can be detected by a single person without climbing, the risk of high-place operation is reduced, the detection and acceptance efficiency is greatly improved, the time is saved, the accuracy of the verticality of the column is ensured, and the working efficiency is improved.
Owner:CHINA CHEM ENG SECOND CONSTR

Wind-resistant plumb bob device

The invention relates to a wind-resistant plumb bob device which comprises a plumb bob body, a wind-resistant device and a wind-resistant device. The first suspension rope can be connected to the top end of the plumb bob body; and the damping adjusting assembly is arranged in the hollow part of the plumb bob body. According to the wind-resistant plumb bob device, the damping adjusting assembly is arranged in the plumb bob body, damping force can be flexibly adjusted according to the wind power, the plumb bob body can be kept in a good vertical state in a strong wind environment, the measuring precision is greatly improved, and the working efficiency is improved.
Owner:CHINA CONSTR EIGHTH ENG DIV CORP LTD ZHEJIANG CONSTR CO LTD

Shield segment gradient measuring device and method based on gravity laser benchmark

The invention discloses a shield segment gradient measuring device and method based on gravity laser reference. The measuring device comprises a base, a dial, a supporting frame, a lifting rope, a drop hammer, a laser transmitter, a reading sensor and a processor. The laser transmitter is arranged on the central axis of the drop hammer, the laser transmitter forms the light spot on the dial, the reading sensor reads the coordinate value of the light spot, and the processor can automatically calculate the gradient of the dial according to the coordinate value. And when the central axis of the shield segment is parallel to the x axis of the dial, the gradient of the dial is the gradient of the shield segment, so that automatic measurement of the gradient of the shield segment is realized. In a better scheme, even in the swinging process of the drop hammer, the gradient of the shield segment can be calculated through the maximum coordinate value and the minimum coordinate value in the same swinging period, so that the measurement efficiency is improved.
Owner:SHANGHAI FOUNDATION ENGINEERING GROUP CO LTD

Engineering plumb bob

ActiveCN310110409SPlumb bobIndustrial engineering
1. The name of the design product: engineering plumb bob. 2. The use of the design product: vertical positioning during construction. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:谢静

Building engineering perpendicularity detection device convenient to move

The invention discloses a constructional engineering verticality detection device convenient to move, and relates to the technical field of constructional verticality detection devices, and the constructional engineering verticality detection device comprises two accommodating cavities arranged at two ends of a base. According to the constructional engineering perpendicularity detection device convenient to move, when the whole device needs to be rapidly moved, the transmission mechanism drives the telescopic column to descend, the leg frame is stored into the containing cavity of the base, the lifting mechanism clamps and lifts a plumb bob, and contraction of the telescopic column, storage of the leg frame and lifting of the plumb bob are carried out at the same time; the size of the whole device can be rapidly reduced, space obstacles caused in the moving process are avoided, it is ensured that moving operation is not hindered by the leg frame, the leg frame can conduct multi-point supporting, supporting points can be automatically adjusted according to the concave-convex ground, the conditions that the ground is uneven and a base is placed unstably are avoided, the plumb bob is lifted, and therefore the plumb bob can be conveniently and rapidly moved. The base can be moved conveniently, quickly and confidently, and the working efficiency is improved.
Owner:邹平市发展改革服务中心

An on-line monitoring system and monitoring method for pole and tower settlement

The present invention discloses an on-line monitoring system and method for tower settlement. By setting a plumb bob and using the gravity direction as the measurement reference, and cooperating with an angle sensor, the on-line monitoring of tower settlement is accurately realized, avoiding the influence of the traditional measurement method without a measurement reference or the deviation of the measurement reference on the measurement result. The use of a high-precision angle sensor can not only measure the offset settlement angle of the tower, but also calculate the actual settlement value of the tower according to the size of the tower, realizing long-term and reliable on-line monitoring of tower settlement.
Owner:WENSHANG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +2

Rail and heaped cone matching data detection method based on power fixed pulley wire falling device

This invention discloses a method for detecting the matching data of a guide rail and a pile cone based on a dynamic fixed pulley plumb bob device, comprising the following steps: S1, installing the dynamic fixed pulley plumb bob device; S2, measuring the matching data of the plumb bob's pointing point and intersection point 5.1; S21, attaching the two adjacent surfaces on both sides of the guide rail angle steel in step S1; S22, using the handheld remote control from step S1 to control the motor to drive the plumb bob downwards via the speed and direction control component; S23, after the plumb bob is stable, checking the matching data of the plumb bob's pointing point and intersection point 5.1; S24, after the measurement data is completed, repairing the guide rail that exceeds the design tolerance range or correcting the pile cone position line based on the measurement data. This invention, by using a dynamic fixed pulley plumb bob device to detect the matching data of the guide rail and pile cone, can identify out-of-tolerance parts of the matching data and repair them in a timely manner, thus advancing the process and improving measurement accuracy.
Owner:DALIAN SHIPBUILDING INDUSTRY CO LTD

Construction device for correcting perpendicularity of independent column

The utility model relates to the technical field of correction construction devices, and discloses an independent column perpendicularity correction construction device which comprises a top frame, a correction rope is arranged in the top frame, a plurality of side frames are arranged on the bottom face of the top frame, a PLC is fixedly installed on one side in the top frame, and the independent column perpendicularity correction construction device further comprises a correction assembly, the correction assembly is arranged on one side of the side frame and used for correcting the perpendicularity of the independent column, and the effect of correcting the perpendicularity of the independent column template can be achieved through matched use of the top frame, the correction rope, the side frame, the limiting groove, the movable frame, the plumb bob and the movable plate. The state of the formwork is judged by observing whether the movable frame is parallel to the calibration rope or not, when concrete is poured and the formwork deflects, real-time reference can be conducted, deflection of the independent column is avoided, the pouring effect of the independent column is guaranteed, a user does not need to use a guiding rule to conduct successive wall leaning measurement, use is convenient, and practicability is achieved.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

Portable device and method for measuring effective aperture of forward and backward hammers of gravity dam

The invention belongs to the technical field of engineering structure safety monitoring, and particularly relates to a portable gravity dam forward and backward hammer effective aperture measuring device and method. The measuring device comprises a supporting mechanism and a measuring mechanism. The measuring mechanism is installed on the supporting mechanism. According to the invention, high-precision safe monitoring drilling is realized through six steps of mounting the supporting mechanism at the orifice to be measured, centering and leveling the supporting mechanism, mounting the measuring mechanism, reading the initial value, reading the measured value and calculating the effective aperture. The device is simple in structure and convenient to operate, and solves the problem that in the prior art, verticality and effective plumb bob diameter measurement needs to be carried out by high-end precision equipment, and detection is relatively inconvenient. According to the invention, the verticality and the effective plumb diameter measurement efficiency are improved, and the investment of high-end precision equipment is saved. The drilling precision can be dynamically adjusted and measured.
Owner:CCCC SECOND PUBLIC BUREAU FIFTH ENG CO LTD

plummet

ActiveCN309690624SPlumb bobIndustrial engineering
1. The name of the design product: plumb bob. 2. The use of the design product: vertical positioning during construction. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:刘目华

Rapid pile foundation positioning method based on laser

The invention relates to the technical field of building construction, in particular to a laser-based pile foundation rapid positioning method which comprises the following steps: S1, delimiting a pile foundation construction area; s2, setting coordinates of the two laser emitters are determined on the outer side of the construction area, and the two setting coordinates and the design coordinates of the pile foundation are required to be not in the same plumb plane; s3, two laser emitters are installed on the two set coordinates respectively; s4, determining a reference zero-degree direction; according to the two set coordinates and the design coordinates of the pile foundation, the included angles between the plumb bob laser planes emitted by the two laser emitters and the reference zero-degree direction are calculated correspondingly; and S5, the two laser emitters are started to emit two plumb bob laser surfaces correspondingly, the included angle between the plumb bob laser emitting surfaces and the reference zero-degree direction is adjusted, the intersecting line of the two plumb bob laser surfaces is obtained, and the intersecting line is the designed pile foundation position. Compared with the existing various positioning methods, the method for positioning by using the laser transmitter has the technical effects of accurate positioning and high efficiency.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +1

Special well type horizontal well reservoir plumb bob thickness correction method

The invention discloses a special well type horizontal well reservoir plumb bob thickness correction method, and relates to the technical field of earthquakes and well logging. According to the method, a fault well section and a common well section are divided for a target well along a well track, a plurality of small reservoir layers are divided based on the porosity lower limit for the common well section, and the plumb bob thickness of each small reservoir layer is calculated layer by layer; the repeatedly calculated small layers of the reservoir are removed, and correction of the thickness of the reservoir plumb bob of the common well section is achieved; for a fault well section, making an auxiliary line in a seismic depth profile map, comparing a connecting line of a starting point and an ending point with an extension line of a stratum interface or a top layer interface of a reservoir where the starting point is located at an intersection point, reading the distance from the starting point to the intersection point by utilizing geosteering software, and calculating the plumb bob thickness of the reservoir of the fault well section, and summarizing the plumb bob thicknesses of the common well section and the fault well section to obtain the plumb bob thickness of the target well reservoir. According to the method, the fault well section and the common well section are considered, so that the calculation of the plumb bob thickness of the special well type horizontal well reservoir is more accurate.
Owner:PETROCHINA CO LTD

Simple slope gradient detection device

ActiveCN224480172USlope anglePlumb bob
This invention provides a simple slope gradient detection device. The device includes a slope panel and a measuring component fixed to the slope panel. The measuring component includes a horizontal plate, a vertical plate, and a plumb bob mounted on the vertical plate. The horizontal and vertical plates are perpendicular to each other and connected on both sides by side plates. The bottom edges of the horizontal, vertical, and side plates are all fixedly connected to the slope panel. The angle between the horizontal plate and the slope panel is equal to the slope angle α of the slope to be detected. A suspension component is provided near the horizontal plate on the vertical plate, and a vertical groove is provided directly below the suspension component, perpendicular to the horizontal plate. The plumb bob is suspended from the suspension component by a plumb line. This invention has a simple structure, reasonable design, and is convenient and quick to use. It is applicable to all slope engineering projects, easy to carry, and accurate. This invention is also easy to manufacture and can be quickly prepared using materials available on the construction site.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC

A multi-directional adjustable plumb bob

ActiveCN224455809UGear wheelPlumb bob
This utility model relates to the field of construction engineering technology, specifically to a multi-directional adjustable plumb bob, solving the technical problems of difficult base fixing, cumbersome use, and inconvenient operation of traditional plumb bobs. The utility model uses a magnetic base at the bottom. The X-axis direction of the plumb bob is adjusted by sliding a threaded sleeve on the X-axis screw. Rotating the first handle causes a gear to rotate on a meshing rack, adjusting the Y-axis direction of the plumb bob. Rotating the second handle releases or collects the plumb line, adjusting the Z-axis direction of the plumb bob. This achieves quick, convenient, and accurate multi-directional adjustment of the plumb bob, making it easy to install, widely applicable, and effectively enabling precise fine-tuning of the plumb bob in multiple directions, thereby improving the overall efficiency of construction engineering.
Owner:JINCHUAN GROUP NICKEL COBALT CO LTD

Perpendicularity measuring device

The utility model belongs to the technical field of verticality measurement, and discloses a verticality measuring device, which comprises a detection piece, a length edge connected with the detection edge and perpendicular to the detection edge, and a measuring piece, the side edge of the detection piece is provided with a detection edge used for being attached to a wall surface to be measured; the measuring rope is provided with scales; the plumb bob is used for straightening the measuring rope to be perpendicular to the horizontal plane; and the length of the telescopic rod is adjustable. According to the utility model, the telescopic rod is held by a hand to place the detection piece at a high position and the detection edge is attached to the wall surface to be detected, when the plumb is straightened by the measuring rope to be vertical to the horizontal plane, the horizontal distance from the plumb to the wall surface to be detected can be measured, and the length of the length edge of the right-angle triangular rule is known. The horizontal deviation of the test point and the wall body in the vertical range can be obtained; the vertical height from the test point to the vertical vertex can be measured by using the measuring rope, so that the horizontal deviation and the vertical height within the range of the test point and the vertical vertex can be known, and the perpendicularity can be obtained through trigonometric function calculation.
Owner:SHANGHAI MUNICIPAL HIGHWAY ENG TESTING CO LTD

Multi-material anti-loose combined heavy hammer

The utility model discloses a multi-material anti-loose combined heavy hammer which comprises a hammer body, the hammer body extends in the first direction, the two ends of the hammer body are the first end and the second end respectively, a containing groove is formed in the second end, and threads are arranged on the circumferential inner wall of the containing groove; the hammer head is arranged at the second end, an installation protrusion is arranged on the side wall, close to the hammer body, of the hammer head, threads are arranged on the circumferential outer wall of the installation protrusion, the installation protrusion is matched with the containing groove, and the threads are connected into the containing groove; the anti-loosening structure comprises an anti-loosening pin, and the anti-loosening pin is arranged at the contact part of the hammer body and the outer wall of the hammer head and is used for preventing the hammer head from loosening and falling off caused by reverse rotation of the hammer head and the hammer body; compared with a traditional integrated heavy hammer structure, through the split type structure, the hammer head can be conveniently disassembled and replaced when damaged, the cost is effectively saved, and through the arrangement of the anti-loosening pin, the situation that the hammer head is loosened and falls off due to reverse rotation between the hammer head and the hammer body can be avoided.
Owner:HEBEI STARSHINE RARE METAL CO LTD

Ruler for measuring verticality of beam column template

The utility model relates to a verticality measuring tool, in particular to a ruler for measuring the verticality of a beam column template, which comprises an upper ruler handle, a lower ruler handle, an upper graduated scale, a lower graduated scale and a line pendant, an upper ruler handle is inserted into the lower ruler handle, a clamping groove is formed in the upper ruler handle, a clamping block is arranged in the clamping groove, one end of the clamping block is rotationally connected with a bolt, and the bolt is in threaded connection with the lower ruler handle; the lower graduated scale comprises a knob, a gear and a first graduated scale, the knob is arranged on the outer side of the lower ruler handle and rotationally connected with the bottom of the outer side wall of the lower ruler handle, the knob is synchronously and rotationally connected with the gear, the gear is arranged in the lower ruler handle and meshed with the toothed plate, and the bottom of the first graduated scale abuts against the bottom wall of the lower ruler handle; the upper graduated scale is arranged at the top of the upper ruler handle and is telescopically connected with the upper ruler handle; and the line pendant is connected with the outer side wall of the upper ruler handle. The utility model provides a ruler for detecting the perpendicularity of a building wall column concrete formwork, which can detect the strength of concrete and ensure the safety of detection personnel when working on the ground.
Owner:HEBEI FANGZHOU ENG PROJECT MANAGEMENT CO LTD

Alignment Structure for Plumb Bob Rod, Laser-Type Balanced Calibration Plumb Bob Rod and Construction Method

An alignment structure for a screeding rod, a laser-type balanced calibration screeding rod and a construction method. The alignment structure for the screeding rod includes: a laser passing window formed by penetrating two surfaces of the screeding rod perpendicular to the construction wall surface; a two-way scale fixed in the laser passing window, having two scale members arranged facing each other and perpendicular to the construction wall surface, and the scale members can rotate between horizontal and vertical angles. The present invention can find a parallel plane before screeding with the plane thickness of the least amount of materials used, can greatly improve the verticality and flatness of the engineering wall surface, improve the screeding efficiency and accuracy, can greatly reduce the construction time, and reduce the labor cost.
Owner:王青

Bidirectional measuring rope

ActiveCN223387310USurveyPlumb bobMechanical engineering
The utility model relates to the technical field of depth measurement, and particularly discloses a bidirectional measuring rope which comprises a measuring rope body and lead weights, the lead weights are installed at the two ends of the measuring rope body respectively, identification pipes are fixed to the measuring rope body at intervals in the length direction of the measuring rope body, first scales and second scales are engraved on the identification pipes respectively, and the first scales and the second scales are arranged in a mirror symmetry mode. The first scale and the second scale respectively correspond to the length positions of the identification tubes on the measuring rope, the length positions respectively take the two end points of the measuring rope as zero points, and the sum of the first scale and the second scale is the total length of the measuring rope. According to the scheme, the problems that in traditional blast hole acceptance work, the time consumed by the manual rope winding procedure of acceptance personnel is long, the measuring error caused by bending of the measuring rope is large, and the service life is short can be solved.
Owner:唐放凤

plumb bob horizontal position controller

A kind of plumb bob type horizontal position controller, it is the mechanical device of mobile object keeps horizontal position control, install on mobile object. Instant monitoring and correct the inclination of mobile object;The controller is composed of plumb bob control mechanism and inclination angle adjusting mechanism, plumb bob control mechanism utilizes the natural droop principle of plumb bob's gravity, when mobile object inclines (such as meet slope etc.), plumb bob swing drive controller two orthogonal axis corresponding rotation and automatically trigger correction inclination switch, control the lifting of four orientation fulcrum of mobile object, keep mobile object (horizontal) balance.Inclination angle adjusting mechanism utilizes the screw structure to adjust the up and down movement of slider, change the distance of electric contact piece and swing contact block, both increase or reduce the swing angle of electric contact piece and swing contact block contact, to realize the adjustment of mobile object inclination trigger angle.
Owner:GUANGZHOU HUALI SCI & TECH VOCATIONAL COLLEGE

A tripod for mining engineering surveying

ActiveCN224433935UPlumb bobPosition fixing
This utility model discloses a tripod for mining engineering surveying, including a fixed platform, fixed legs, movable legs, and an equipment fixing screw. The tripod also includes: a suspension positioning device mounted on the equipment fixing screw to center the fixed platform when placing the tripod; a counterweight device mounted on the movable legs to increase the weight of the fixed and movable legs, reducing the impact of vibration on the tripod's accuracy during use; an auxiliary support device mounted on the movable legs to assist in supporting the fixed legs when the counterweight device is installed; and a triangular fixing device located below the movable legs. The suspension positioning device of this utility model uses a plumb bob with a plumb line to quickly determine the center position of the fixed platform when placing the tripod. Surveyors adjust the tripod according to ground markings until the plumb bob is stationary directly above the measurement point, achieving rapid and accurate positioning, reducing the time and effort spent searching for a suitable location, and improving measurement efficiency.
Owner:DONGSHENGMIAO MINING LLC

Portable gravity type construction measuring instrument

The utility model relates to the technical field of measuring instruments, in particular to a portable gravity type construction measuring instrument which comprises a handle, a frame with a groove and a transparent dial, the handle is fixedly installed on the outer wall of one end of the frame with the groove, the transparent dial is rotatably connected in the frame with the groove, a groove is formed in the side wall of one end of the handle, and the transparent dial is rotatably connected in the groove. The center of the transparent dial is rotationally connected with a ball through a mounting block; the upper and lower ends of the ball are located at the outer ends of the mounting block and the transparent dial, and the lower end of the ball is provided with a lead weight part through a swing rope; the device is a portable substitute product of various large-scale high-precision levelness and perpendicularity measuring equipment on a construction site, and due to the fact that the various large-scale high-precision levelness and perpendicularity measuring equipment is inconvenient to carry daily, the device can be used for carrying out levelness and perpendicularity coarse measurement on all positions of the construction site so as to control the site construction quality; or the device is used for screening unqualified wall surfaces, so that subsequent special accurate measurement is facilitated.
Owner:中建八局(日照)建设有限公司

Irregular boundary slope surface reinforcement arrangement method and related equipment

The invention relates to the technical field of slope engineering reinforcement arrangement design, in particular to an irregular boundary slope surface reinforcement arrangement method and related equipment.The method comprises the steps that a three-dimensional geologic model containing an original terrain surface and a designed slope surface is constructed, and an excavation slope surface with an irregular boundary is generated through topological intersection; dividing the surface into a plurality of reinforcing subareas according to geological conditions on the contour surface of the excavated slope; a typical slope is selected for each reinforcing subarea for plumb projection, and an ideal two-dimensional reinforcing arrangement area (logic grid face) of each subarea is obtained; and the reinforcing arrangement scheme and arrangement parameters of the logic grid surface are mapped to all slope surface units in the corresponding reinforcing subareas, reinforcing arrangement of all slope surface units is completed, and the problems that multi-firmware arrangement positions conflict and a traditional design method is low in efficiency are solved.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED +1

Wave pile positioning guide frame

The utility model relates to the technical field of wave pile installation, in particular to a wave pile positioning and guiding frame which comprises a positioning platform and supporting legs, a positioning and guiding mechanism is arranged in the positioning platform, and an auxiliary stabilizing mechanism is arranged on the side edge of the positioning and guiding mechanism. By arranging the balancing weight at the bottom end of the guide frame, the balancing weight is hoisted by the connecting line to form a simple plumb bob structure, so that whether the guide frame is in a horizontal installation state or not can be directly judged by directly comparing the installation perpendicularity of the balancing weight with the guide frame; therefore, the inclined guide frame can be horizontally adjusted in time, then a basic guarantee is provided for horizontal and stable installation of subsequent wave piles on the premise that it is guaranteed that the guide frame is horizontally installed, and the overall guide frame can be reinforced and stabilized through the design that the overall gravity of the device is increased through a balancing weight.
Owner:CHINA POWER CONSTR MUNICIPAL CONSTR GRP SHANDONG ENG CO LTD

plumb bob (construction engineering)

ActiveCN309510484SConstruction engineeringPlumb bob
1. The name of this design product: plumb bob (construction engineering). 2. Purpose of this design product: This design product is used for verticality calibration of construction projects. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
Owner:张金利