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48 results about "Plumb bob" patented technology
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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.
Height detection and sampling method for grease in oil tank
PendingCN119469322AHigh precisionReduce labor intensityLevel indicators by dip membersWithdrawing sample devicesOil and greaseThermodynamics
The invention relates to the technical field of grease detection, discloses a method for detecting the height of grease in an oil tank and sampling, and aims to solve the problems of high labor intensity and low operation efficiency and accuracy in the conventional method for detecting the height of grease in the oil tank. Controlling the gear motor to drive the reel to rotate, so that the plumb bob descends from the initial position at a constant speed, and acquiring a pressure value detected by the tension sensor in real time when the plumb bob descends; according to the pressure value, the starting moment when a plumb bob makes contact with the liquid level and the ending moment when the plumb bob makes contact with the tank bottom are determined, the descending length of the lifting rope between the starting moment and the ending moment is determined, and the descending length is the height of grease in the oil tank. According to the invention, the labor intensity of grease height detection and sampling is reduced, and the working efficiency and accuracy are improved.
Owner:CHENGDU ZHONGCHULIANGSHOUCHUJINGXIAO CO LTD +2
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
Apparatus and method for monitoring pier head deflection in constructing and dismantling bridges
The invention relates to a method (100) for monitoring the pier head deflection (9) of a bridge pier (208) and / or the positional deviation (39) of a bridge superstructure (206), in particular in the construction and / or dismantling of bridges (202) using the incremental launching method and / or by means of a launching gantry.The invention further relates to a device (1) for monitoring the pier head deflection (9) of a bridge pier (208) and / or the positional deviation (39) of a bridge superstructure (206), comprising a plumb laser (7) configured to emit a vertical laser beam (11); a laser plumb disk (13) preferably having a measuring grid (33); a plumb disk fixing (15) configured to fix the laser plumb disk (13) horizontally projecting from a pier head (218) of the bridge pier (208) onto the pier head (218) and above the plumb laser (7), so that the laser beam (11) of the plumb laser (7) can be projected onto the laser plumb disk (13); and a camera unit (19) for capturing images and / or videos of the laser beam (11) striking the laser plumb disk (13).
Owner:ADAM HÖRNIG BAU GMBH & CO KG
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
Multifunctional multipurpose vertical and horizontal measuring device
The utility model provides a multifunctional multipurpose vertical and horizontal measuring device, and mainly relates to the field of vertical and horizontal measuring equipment. A multifunctional multipurpose vertical and horizontal measuring device comprises a bottom plate, an L-shaped plate is installed on one side of the top face of the bottom plate, a connecting block is installed on the L-shaped plate, a plumb bob is installed at the bottom end of the connecting block in a hanging mode through a hanging rope, a vertical plate is installed on the L-shaped plate, and angle scale marks are carved on the front face of the vertical plate. The beneficial effects of the utility model are that: simple structure, convenient to use, through the cooperation of suspension rope and plumb bob, can carry out the verticality measurement to the object, cooperate with the sensor on the angle scale mark, facilitate the reading of the vertical angle, then improve the measurement precision, through the level gauge, can carry out the levelness measurement to the object, and improve the measurement accuracy. And under the cooperation of the gradienter and the plumb bob, the levelness and the perpendicularity are measured at the same time, and the levelness and the perpendicularity can be verified and measured mutually, so that the measurement precision is improved.
Owner:THE SECOND HYDROGEOLOGY & ENG GEOLOGY BRIGADE OF SHANDONG PROVINCIAL BUREAU OF GEOLOGICAL EXPLORATION (SHANDONG LUBEI GEOLOGICAL & ENG SURVEY INST)
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
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
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
A reciprocating plumb bob frame that is easy to set up for mine surveying
ActiveCN113834476Bquick alignmentEasy to measurePlumb lines for surveyingClassical mechanicsPlumb bob
The present invention relates to the field of mine surveying, and in particular to a reciprocating plumb bob frame that is easy to set up for mine surveying, comprising a first support frame, a first support frame, a pushing assembly, a top-touching sensing assembly, etc.; the first support frame is fixedly mounted on the top of the first support frame, the first support frame has a cavity structure inside, the first support frame is provided with a pushing assembly, and the top-touching sensing assembly is provided on the first support frame. Through the cooperation of a telescopic cylinder and a device thereon, the electric push rod is manually controlled to contract by one unit length, and the telescopic cylinder and the device thereon will extend by three units of length, making it easy to pull the traction rope upward and align the fulcrum of the plumb body swinging with the conductor point, avoiding the insecurity of manually lengthening the traction rope, and achieving the effect of being able to quickly align the fulcrum of the plumb body swinging with the conductor point for easy measurement.
Owner:胡娟兰
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
Device for controlling perpendicularity of positive vertical line embedded pipe
The utility model discloses a device for controlling the perpendicularity of a positive vertical line embedded pipe. The device comprises a fixed centering device, a connecting rod, a prism, four plumb lines and four line pendants, the center of the fixed centering device is arranged on the axis of the embedded pipe; the lower end of the connecting rod is connected with the upper part of the center of the fixed centering device; the upper end of the connecting rod is connected with the prism; the upper ends of the four plumb lines are respectively connected with four outer side end parts of the fixed centering device; the four plummets are respectively connected with the lower ends of the four plumb lines; according to the invention, the fixed centering device is connected and matched with the four plumb bobs and the four plummets, so that the perpendicularity of the embedded pipe in four directions can be observed; meanwhile, a prism is mounted at the top of the fixed centering device, so that the center coordinate of a pipe orifice can be observed, and the offset of the center of the steel pipe is calculated; and finally, the effective aperture of the embedded pipe is calculated through the center offset, so that the embedding and mounting quality and success rate of the embedded pipe are improved, the range of the plumb line coordinatograph is ensured, the working efficiency is improved, and the labor cost is reduced.
Owner:SINOHYDRO BEREAU 10 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
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
ActiveCN223853836UForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksControl theoryPlumb bob
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
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
Method for measuring horizontal distance from rotation center of artillery to trunnion center of artillery
PendingCN119594875AReduce sources of errorGuaranteed measurement accuracyUsing optical meansWeapon testingTheodoliteClassical mechanics
The invention discloses a method for measuring the horizontal distance from the rotation center of an artillery to the center of an artillery trunnion, and relates to the field of artillery static detection, in particular to a method for measuring the horizontal distance between space axes, when the centers of the two ends of the artillery trunnion and the rotation center of the artillery cannot be vertical to the ground, another reference steel ruler is selected to be used; a theodolite is used for determining the reading of a vertical line of the center positions of the trunnions at the two ends on the steel plate ruler, the numerical value of a connecting line of the centers of the two trunnions on the steel plate ruler is calculated through a trigonometric function, and the horizontal distance from the rotation center of the artillery to the center of the trunnions of the artillery is obtained by adding the radius length of the artillery seat ring. Compared with the prior art, the method has the advantages that (1) the theodolite and the plumb bob are adopted to assist in reading, so that the field operation is simple; (2) by measuring the length parameter, no angle parameter participates in calculation, the error source is few, the application formula is simple, and the measurement precision is effectively ensured;
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 63853
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
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
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
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
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