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921results about "Mechanical depth measurements" patented technology

Detection device and control system for settlement of lap joint surface of new roadbed and old roadbed

The utility model discloses a detection device and a control system for settlement of a lap joint surface of a new roadbed and an old roadbed, and relates to the technical field of road engineering monitoring, the detection device comprises a first support plate, a second support plate, two solar panels, two vibration sensors and two storage batteries, a placing box is mounted on the supporting rod, a laser displacement sensor and an industrial camera are mounted in the placing box, a detection plate is mounted on the second supporting plate, and a fluorescent graduated scale is mounted on the detection plate; according to the utility model, the traditional threaded rod and threaded cylinder adjusting mode is replaced by optimizing the adjusting mechanisms, the problems that a threaded structure is easy to wear and block and the manual operation efficiency is low are effectively solved, and a composite monitoring mode of the laser displacement sensor, the industrial camera and the fluorescent graduated scale is adopted, so that the monitoring precision is improved. And a multi-dimensional auxiliary assembly is combined to improve the reliability of the system.
Owner:SICHUAN CHUANJIAO CONSTRUCTION GROUP CO LTD

Precision detection tool and precision detection method

The invention belongs to the technical field of medical instruments, and discloses a precision detection tool and a precision detection method.The precision detection tool comprises a positioning table and a measuring assembly, the measuring assembly is arranged on the positioning table and comprises a measuring body, a depth measuring part, a limiting part and an elastic part, and the measuring body is provided with a detection hole; the depth measuring piece is arranged in the detection hole, the limiting piece is arranged at one end of the measuring main body, and the elastic piece is arranged between the depth measuring piece and the limiting piece; the depth measuring piece moves relative to the detection hole and has a first position and a second position; the depth measuring piece abuts against the limiting piece at the second position, and the elastic piece enables the depth measuring piece to tend to move from the second position to the first position. According to the precision detection tool provided by the invention, the surgical robot is inserted into the detection hole to detect that the detection needle does not abut against the measurement main body, the detection needle abuts against the depth measurement piece, and the depth measurement piece does not abut against the limiting piece, so that the surgical robot meets the navigation positioning precision requirement.
Owner:SHENZHEN YANGSHAN MEDICAL TECHNOLOGY CO LTD

Agricultural trench depth sensing systems, methods, and apparatus

ActiveUS12279546B2Acceleration measurement using interia forcesElectric potential based soil-workingSoil scienceUltrasonic sensor
An agricultural trench depth sensing system having a trench implement adapted to be disposed in a soil trench opened in a soil surface. In one embodiment an ultrasonic sensor detects a distance to an upper surface of said trench implement or a target disposed thereon. In another embodiment, said trench implement includes one or more fingers which rotate with respect to said trench implement to detect the soil surface relative to said trench implement. In another embodiment, said trench implement includes side sensors for detecting the sidewall of the soil trench.
Owner:PRECISION PLANTING LLC

Geotechnical penetrometer

The described cone penetrometer system is a geotechnical testing apparatus designed for accurate soil assessment comprising a drive shaft with an attached cone at its distal end, a load cell connected to the shaft for precise measurement of applied force, and a depth transducer to accurately gauge the penetration depth of the cone. This system distinguishes itself from traditional methods by directly converting force to bearing capacity based on the cone's surface area, eliminating the reliance on less accurate blow conversion tables. The inclusion of a reliable depth transducer ensures precise depth measurements, facilitating accurate plotting of bearing capacity against depth. While delivering enhanced accuracy, the system retains the advantages of lightweight, cost-effectiveness, and manual operation, aligning with the simplicity and efficiency characteristic of traditional methods like the Dynamic Cone Penetrometer (DCP) compared to more intricate and expensive Cone Penetration Test (CPT) systems.
Owner:BODEN TIM

Multifunctional municipal road crack detection device

The invention relates to the technical field of road detection, in particular to a multifunctional municipal road crack detection device which comprises a sweeping board, a detection mechanism is arranged at the top end of the sweeping board, the detection mechanism comprises a damping tube mounted above the sweeping board, a pressing rod slides in the damping tube, a probe is arranged at the bottom end of the pressing rod, and the probe is connected with the sweeping board. Dust and sundries around a crack are removed through a dust suction pump, the accuracy of measuring the depth of the crack through a probe is improved, an operator pulls a grip manually, the depth of the crack is accurately measured through scale marks on a damping pipe, data support is provided for repairing work, meanwhile, a pressing rod and damping liquid are used for pushing a push rod in a sleeve to move, and the repairing efficiency is improved. The position of the blocking plate is adjusted, the pigment flow is accurately controlled, the color depth is marked according to the crack depth, the severity of the crack is visually reflected, clamping of the clamping block and the clamping strip is controlled through air pressure change when the dust suction pump works, the probe is prevented from being damaged due to collision, the service life is prolonged, and the maintenance cost is reduced.
Owner:CHINA MCC22 GROUP CORP LTD

Rainwater pipeline sludge detection structure

The utility model provides a rainwater pipeline sludge detection structure, which comprises a structure main body and a rainwater pipeline body, the structure main body is arranged at the top of the rainwater pipeline body through a limiting mechanism, the structure main body comprises a positioning cover, and a detection pipe is movably arranged at the central position of the positioning cover. The rubber pad is driven to extrude the inner wall of the pipe orifice under the torsion of the torsion spring rotating shaft, the positioning cover is conveniently fixed through the friction between the arc-shaped surface of the rubber pad and the pipe orifice and the pressure of the pressing plate, the detection pipe and the collection rod can be positioned through the positioning cover, and the collection rod is ensured to be located at the central position of the pipe orifice, so that the error is reduced, and the detection efficiency is improved. And the detection structure can work without electricity, so that the practicability of the detection structure is improved.
Owner:HUBEI RUIHAN ENGINEERING INSPECTION CO LTD

Detection device for reserved embedded hole of support pad stone

The utility model relates to the technical field of bridge padstone construction, in particular to a device for detecting a reserved embedded hole of a support padstone. Comprising a cross ruler, movable ruler sleeves, two positioning rulers and a hole checking ruler, the hole checking ruler penetrates through the two positioning rulers, each positioning ruler is sleeved with the corresponding movable ruler sleeve, and the cross ruler is arranged below the two positioning rulers; the cross ruler comprises a mounting column and four rotating rulers, the center line of a support of the padstone is firstly released, the cross ruler is aligned with the center line of the support, the movable ruler sleeve is adjusted to the center position of the support, the positioning ruler is inserted into the movable ruler, and the positioning ruler is adjusted. After the extension sizes of the positioning rulers in the two directions are determined, the hole checking ruler is put into the anchor bolt hole, the hole position is lightly put down, if no obstacle is encountered, it is clearly indicated that the anchor bolt hole meets the requirement, and if the obstacle is encountered, recording is conducted, the obstacle direction is determined, and staff handling is facilitated after marking; in this way, the effect of accurately judging the hole position and hole depth can be achieved.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Microbial concrete grouting device for repairing historic building

The invention relates to the technical field of historic building crack repair, and discloses a microbial concrete grouting device for historic building repair, comprising: a sealing plate used for sealing a crack and provided with a through groove; the embedded rod is obliquely inserted into the ancient building and is inserted into the sealing plate; the pouring rods are vertically inserted into the crack through the through grooves, one end of each pouring rod abuts against the deep end of the crack, the depth of the crack is reflected through the display position of the other end of each pouring rod, and the pouring rods are arranged at intervals; the plugging block is installed in the through groove in a sliding mode, a penetrating hole allowing the pouring rod to penetrate through is formed in the plugging block, and after the pouring rod penetrates through the plugging block, the crack is plugged; a plurality of charging baskets; the stirring barrel is provided with a stirring paddle and is communicated with the plurality of material barrels; one end of the peristaltic pump is communicated with the stirring barrel, and the other end is communicated and detachably connected with the pouring rod; and the cart is used for transporting and accommodating the material barrel. The depth of the crack can be visually obtained, and the crack can be repaired from deep to shallow.
Owner:FUJIAN MINQING FIRST CONSTR DEV CO LTD +3

Contaminated-soil sampling drilling depth precise measurement device for environmental investigation

The present invention relates to a contaminated-soil sampling drilling depth precise measurement device for environmental investigation, the device comprising a support base and a mounting seat, wherein a force distribution assembly is arranged between the support base and the mounting seat; the top of the mounting seat is connected to a support frame by means of several hydraulic lifting devices; a driving electric motor is mounted at the bottom of the support frame, and an output shaft of the driving electric motor extends to the top of the support frame and is fixedly sleeved with a second driving gear; a driving ring is movably connected to the support frame, and a first driving gear is sleeved on the outer wall of the driving ring; a driving sleeve is movably arranged in the driving ring, and the driving sleeve is connected to a drilling measurement assembly by means of a connecting support; and stabilization assemblies are mounted on the drilling measurement assembly. The objective of the present invention lies in providing a contaminated-soil sampling drilling depth precise measurement device for environmental investigation to overcome existing defects. The contaminated-soil sampling drilling depth precise measurement device has high drilling precision and measurement precision.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Sample selection device for natural resource engineering surveying and mapping

The invention discloses a sample selection device for natural resource engineering surveying and mapping, and relates to the technical field of engineering surveying and mapping. The bottom plate is arranged at the lower end of the sampling pipe in a sleeving manner and is used for ensuring that the sampling pipe is always in a vertical state during sampling, and the depth-keeping sampling mechanism is arranged at the bottom of the movable groove and is used for sampling soil with the required depth. The tip end of the bottom of the sampling pipe is inserted into a soil sampling area firstly, the sampling pipe is rotated to vertically drill into soil, after the through groove is drilled into the soil needing to be sampled by a depth, a soil sample can be taken out more conveniently by utilizing the depth-keeping sampling mechanism, and meanwhile, depth-keeping sampling can be carried out on the soil needing to be sampled.
Owner:菏泽市国土综合整治服务中心

Improved vernier caliper

The utility model provides an improved vernier caliper, which comprises a main scale and is characterized in that the outer wall of the main scale is provided with a detachable depth measuring assembly in a sliding manner; the left side of the lower part of the main scale and the left side of the lower part of the detachable depth measurement assembly are respectively and fixedly connected with an outer measuring jaw, and the detachable depth measurement assembly is located on the right side of the outer measuring jaw connected with the main scale; the left front side of the upper part of the main scale and the rear upper side of the left part of the detachable depth measurement assembly are respectively and fixedly connected with an inner measuring jaw; a sliding groove is formed in the middle rear side in the main scale; the detachable depth measurement assembly is further arranged in the sliding groove in a sliding mode. Through the arrangement of the vernier scale, the internal thread sleeve, the threaded rod and the depth measuring rod, the depth measuring rod can be conveniently detached, and the problem that the depth measuring rod falls to the ground and deforms can be effectively avoided.
Owner:SHANDONG JINZHI ENG CONSULTING CO LTD

Electric soil sampling machine

The utility model relates to the technical field of soil collection, and discloses an electric soil sampler, comprising a spiral drill rod, a cylinder and a rotary power device, wherein the cylinder comprises a first cylinder, a second cylinder and a third cylinder connected in sequence from top to bottom; the width of the second cylinder is greater than the width of the third cylinder, and the width of the third cylinder is greater than the width of the first cylinder; the spiral drill rod is located in the cylinder, and the rotating end of the rotary power device is respectively connected to the first cylinder and the upper end of the spiral drill rod; in actual use, the utility model drives the spiral drill rod and the cylinder to rotate through the rotary power device, so that soil sampling and collection can be achieved by pressing the spiral drill rod downward, the entire collection time is short, and the collection efficiency is high; in addition, by arranging the first cylinder, the second cylinder and the third cylinder of different widths, the situation that the soil body is loosened and causes the volume expansion to cause the soil body to overflow can be avoided during soil collection, thereby achieving complete collection of the soil body.
Owner:HENAN EPRI GAOKE GROUP CO LTD

Foundation pit depth monitoring device and monitoring method thereof

The invention belongs to the technical field of building construction monitoring, and particularly relates to a foundation pit depth monitoring device and a monitoring method.The foundation pit depth monitoring device comprises a connecting device and a measuring device, the connecting device is composed of a fixed base and a ball head capable of rotating freely, and the measuring device is internally provided with a tape device, a tape band and a heavy hammer device; a piezoelectric sensing light-emitting ball is arranged in the heavy hammer, and when the heavy hammer touches the bottom of the foundation pit, the piezoelectric sensing light-emitting ball is pressed to emit light to prompt a measurer to read the extension length of the ruler belt, so that the depth of the foundation pit is accurately calculated. According to the foundation pit depth monitoring device disclosed by the invention, through the design of the ball head and the fixed base, the application capability of equipment in different construction environments is enhanced, and real-time and continuous monitoring of the depth of a foundation pit is realized in combination with stretching of the winding measuring device and pressed light-emitting feedback of a piezoelectric sensing light-emitting ball in the heavy hammer device; and the stability of the device in a complex environment is enhanced, and particularly under the condition that accumulated water exists at the bottom of a foundation pit, the measurement accuracy can still be kept.
Owner:ZHEJIANG CITIC TESTING CO LTD

Soil pH value detection device

The utility model relates to the field of detection devices, in particular to a soil pH value detection device. The utility model provides a soil pH value detection device. A soil pH value detection device comprises a handheld seat, a grip, a probe, a first spring, a connecting cable, an operating handle, a protective cover and an adjusting mechanism. When the device is operated and used, the device can be handheld by holding the grip, the device is more convenient and labor-saving to use, and meanwhile, when a probe is inserted, the insertion depth of the probe can be accurately adjusted through the matching of the clamping teeth and the clamping plate, so that the probe can be inserted into a specified depth, and the probe insertion efficiency is improved. And after the detection operation is completed, the probe can be automatically pulled out and reset, and the probe does not need to be pulled out manually by an operator, so that the use is simpler.
Owner:广东信科检测有限公司

Rock-soil geological exploration depth measuring device

The invention discloses a rock-soil geological exploration depth measuring device, and relates to the technical field of depth measurement, the rock-soil geological exploration depth measuring device comprises a fixed bottom plate, the upper surface of the fixed bottom plate is fixedly provided with a frame body structure, and the interior of the frame body structure is connected with a rotating sleeve wheel, a positive and negative linkage mechanism, an extrusion mechanism, a transmission double-wheel set and a pay-off wheel; one end of the positive and negative linkage mechanism is fixedly connected with a sponge cleaning block, and when the steel ruler cable is wound forwards and backwards, the sponge cleaning block and the scale surface of the steel ruler cable form self-adaptive contact, and surface dirt cleaning and transmission guiding are completed synchronously; when the forward and reverse linkage mechanism drives the steel ruler cable to perform forward and reverse winding, constant pre-tightening force is applied to the non-scale surface of the steel ruler cable, and instantaneous impact force generated by geological vibration is absorbed through elastic deformation. The device has the effects that scale protection and cleaning are integrated, the stability of a transmission path is improved, vibration impact is buffered, and efficient collaborative operation is achieved.
Owner:四川见路创新科技发展集团有限公司

Simple pier pile foundation scouring depth monitoring device

The utility model belongs to the technical field of bridge pile foundation detection, and particularly relates to a simple pier pile foundation scouring depth monitoring device. Comprising a detection feeler lever, one end of the detection feeler lever in contact with a riverbed scouring line is provided with a heavy hammer, the other end is provided with a pointer, and a pier column is provided with scales corresponding to the pointer; and the fixing device is used for fixing the detection probe rod to be connected with the pier column, ensuring that the detection probe rod is parallel to the pier column and enabling the detection probe rod to freely move in the vertical direction. The actual scouring depth is reflected through the scale pointed by the pointer, the monitoring process is simple and direct, the measured data are real and accurate, and meanwhile, the durability and the stability of the device are improved through the protective sleeve arranged in a preferable scheme. The utility model has the advantages of simple structure, difficulty in damage, quickness in installation, excellent durability under different water flow conditions and lower cost, and is favorable for popularization and application.
Owner:ZHEJIANG COMM CONSTR GRP CO LTD

Thickness detection device for highway pavement laying

The invention relates to the technical field of pavement detection, in particular to a thickness detection device and method.The thickness detection device comprises a sliding frame of a concave structure, four pulley blocks, a vertical frame and a semicircular protractor, the four pulley blocks are arranged at the bottom of the sliding frame and located at the four corners, and the vertical frame is fixedly installed in the center of the interior of the sliding frame; a clamping groove is formed in the upper portion of the middle section of the vertical frame, the semicircular protractor is fixedly installed on the inner wall of the bottom of the clamping groove, the two ends of the semicircular protractor extend to the exterior of the vertical frame, and a leveling mechanism is arranged in the vertical frame. The detection device and the measurement mechanism are kept perpendicular to the road surface, the measurement precision is effectively improved, meanwhile, loose and falling soil is continuously tamped in the drilling process, hole burying of the soil is reduced, the road surface depth detection efficiency is improved, and the internal structure of a road is conveniently observed.
Owner:WUHAN ZHIERXING ENGINEERING DESIGN CO LTD

Detection measuring tool for frog point rail

The frog point rail detection measuring tool is provided with a ruler body of a T-shaped structure, and a left supporting vernier scale, a right supporting vernier scale and a section vernier scale are installed on the ruler body in a horizontal sliding mode. A depth vernier scale is slidably mounted on a vertical ruler of the ruler body and is matched with a fastening screw; the vertical height difference between the lower end supporting block of the supporting vernier scale and the tip of the lower end clamping jaw of the section vernier scale is 16mm; the left and right section vernier gauges detect the section width of the working edge of the point rail; a detection rod of the depth vernier scale vertically slides and is used for making contact with the top of the point rail, the extending length of the lower end of the detection rod corresponds to the lowering value height of the top of the point rail, and the depth vernier scale is used for detecting the lowering value height of the point rail. The device can be applied to delivery inspection or on-line abrasion detection occasions of the combined frog; the detection precision and the detection efficiency of the section width and the reduction value height of the point rail are improved, and product quality judgment is quickly made.
Owner:CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD

Municipal road crack detection device

The utility model discloses a municipal road crack detection device which comprises a pair of sliding rods which are arranged in parallel, and the end parts of the two sliding rods are respectively connected into a whole through a horizontally arranged connecting plate; a mounting plate is horizontally arranged in the middle of the two sliding rods, a rotating lead screw with a rotating handle at the upper end is vertically arranged on the mounting plate, and the lower end of the rotating lead screw is connected to the top face of the mounting plate through a bearing seat. The rotating screw rod is sleeved with a lifting sliding sleeve in a matched and screwed mode, a pair of inclined connecting rods are symmetrically hinged to the lifting sliding sleeve, sliding blocks horizontally sliding along the sliding rods are hinged to the inclined lower ends of the two inclined connecting rods, and width measuring heads are vertically arranged on the bottom faces of the two sliding blocks; a penetrating hole is formed in the rotating lead screw along the axis, a depth measuring rod is inserted into the penetrating hole, and the lower end of the depth measuring rod penetrates through the mounting plate to form a measuring end stretching into the crack. The utility model has the advantages that not only can the width and depth measurement of the municipal road crack be easily completed, but also the measurement stability and accuracy can be improved, and the use convenience is improved.
Owner:CHINA RAILWAY SEVENTH GROUP FIFTH ENGINEERING CO LTD

Control device for gear measuring apparatus

PendingJP2026011359AMechanical depth measurements
To provide a control device for a gear measuring device capable of accurately measuring a depth position of a tooth space of a gear.SOLUTION: A control device for a gear measurement device that measures a depth position of a tooth groove of a gear by bringing a probe into contact with a tooth groove of the gear, the control device comprising: a first measurement unit configured to measure a plurality of depth positions of the tooth groove shifted by a first predetermined amount in a tooth row direction in which teeth of the gear are arranged, the first predetermined amount being smaller than a width of the tooth groove in the tooth row direction; A selection unit configured to select a deepest position among the plurality of depth positions measured by the second measurement unit as a final depth position of the tooth groove.SELECTED DRAWING: Figure 2
Owner:TOYOTA JIDOSHA KK +1

Depth measuring device for rock-soil geological exploration

The invention relates to the technical field of depth measurement, and discloses a depth measuring device for rock-soil geological exploration, which comprises a well depth ruler body and a steel ruler cable connected to the well depth ruler body, the cross section of the steel ruler cable is an arc-shaped plate, the inner side of the steel ruler cable is slidably connected with a fixed plate, and two sides of the fixed plate are fixedly connected with rotating shafts. The outer wall of each rotating shaft is rotationally connected with a clamping plate, the inner side of each clamping plate is attached to the outer side of the steel ruler cable, the middle of the side, away from the steel ruler cable, of each clamping plate is fixedly connected with a fixing base, the surface of each fixing base is fixedly connected with a half-stud, the two half-studs are matched in shape and position, and the outer walls of the half-studs are in threaded connection with fixing nuts. A balancing weight is connected between the fixing nut and the fixing base in a sliding mode. According to the depth measuring device for rock-soil geological exploration, the clamping plate and the fixing plate are matched with each other, so that bending deformation of a steel ruler cable is effectively limited, and the accuracy of depth measurement is improved.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

A detection device and method for the downward pressure of the bullet shape gauge in a magazine

The present invention discloses a detection device and method for the downward pressing amount of a bullet-shaped gauge in a magazine, which can accurately detect the measured value of the downward pressing amount of the bullet-shaped gauges with a specified number installed in the magazine. A detection device for the downward pressing amount of a bullet-shaped gauge in a magazine includes a support plate, as well as a magazine positioning device, a bullet-shaped gauge downward pressing device, a movable measuring rod device, and a dial indicator arranged on the support plate. The magazine positioning device is used to position the magazine equipped with the bullet-shaped gauges; the bullet-shaped gauge downward pressing device is used to apply pressure to the movable measuring rod device; the movable measuring rod device is used to apply pressure to the bullet-shaped gauges in the magazine, and the dial indicator is used to detect the downward pressing amount of the bullet-shaped gauge downward pressing device through the movable measuring rod device.
Owner:CHONGQING JIANSHE IND GRP

Measuring method based on inspection well depth measuring device

The invention relates to the technical field of engineering equipment, in particular to a measuring method based on an inspection well depth measuring device. The telemeter rod comprises a telemeter rod body, the telemeter rod body comprises a telescopic rod type structure composed of a plurality of sections of telemeter rod sleeves, and an opening and closing assembly is arranged on the telemeter rod sleeve on the outermost portion so that the telemeter rod sleeves in the contraction state can be sequentially locked from outside to inside or sequentially unlocked from inside to outside; magnetic attraction locking pieces matched with each other are arranged at the connecting positions of the head portions and the tail portions of the adjacent ruler sleeves so that the ruler sleeves in the unfolded state can be locked. The top of the outermost ruler sleeve is provided with a ruler collecting assembly, the ruler collecting assembly comprises a strong magnet capable of moving along the axial direction of the ruler sleeve, and the strong magnet can slide to the magnetic attraction locking piece to unlock the magnetic attraction locking piece and can be in magnetic attraction connection with the second section of ruler sleeve in the unfolded state. The folding and unfolding device is stable in unfolding and folding, parts contaminated with dirt do not need to be held in the unfolding and folding processes, and the influence on physical and psychological health of constructors is small.
Owner:中建六局第四建设有限公司

Depth detection device

The utility model discloses a depth detection device. The depth detection device comprises a probe module, a driving module, a camera module and a jig module. The probe module comprises a mounting base, a reference column, an elastic piece and a probe, the mounting base is provided with a first end face and a second end face, the first end face is used for abutting against a reference face of a to-be-detected device during detection, the reference column, the elastic piece and the probe are all arranged on the mounting base, and the reference column protrudes out of the second end face; the judgment reference is used for judging whether the depth of the to-be-detected surface of the to-be-detected device is qualified; the probe is provided with a first end and a second end which are opposite in the first direction and can slide on the mounting base in the first direction, the elastic piece pushes the first end out of the first end face, the distance of the first end protruding out of the first end face is larger than the depth of the face to be measured, and the second end extends out of the second end face. During detection, the first end is used for abutting against the to-be-detected surface, the to-be-detected surface ejects the probe out of the second end, and whether the depth of the to-be-detected surface is qualified or not is judged according to the distance between the second end and the end face of the reference column.
Owner:ELECTRIC CONNECTOR TECH

Device for measuring depth of pile hole

The invention relates to the technical field of compaction pile construction, and discloses a pile hole depth measuring device, which comprises a frame body placed on the ground on the outer side of a pile hole; the upper part of the vertical rod is hinged with the frame body through a hinged support; the balancing weight is arranged at the lower end of the vertical rod; the range finder is mounted on the lower side of the balancing weight and faces the bottom of the pile hole; the copper plate is connected to the upper end of the vertical rod; the magnet is mounted on the frame body and positioned on the upper side of the copper plate; a gap is formed between the magnet and the copper plate; the distance measuring instrument supported by the vertical rod is used for measuring the depth of the pile hole, the structure is simple, operation is convenient, a measuring rope does not need to be wound and unwound, the distance measuring instrument can be fast and stable through electromagnetic damping, meanwhile, it can be guaranteed that the measuring direction of the distance measuring instrument is vertically downward all the time, and the measuring accuracy and efficiency are improved.
Owner:SINOHYDRO BUREAU 11 CO LTD

Ultrasonic handle action depth calibration device

The utility model relates to the technical field of ultrasonic handle testing, in particular to an ultrasonic handle action depth calibration device. According to the ultrasonic handle action depth calibration device, the scale and the positioning line are arranged beside the adjusting part, so that the distance change of the ultrasonic handle relative to the test gel in the observation groove can be directly observed from the height change of the scale relative to the positioning line after the connecting bracket is adjusted by the adjusting part; therefore, the action depth of the ultrasonic handle can be conveniently calibrated, and the change of the test gel with different heights under the action of the ultrasonic energy can be directly observed through the observation groove, so that the gel position corresponding to the preset ultrasonic energy can be identified, and the action depth of the ultrasonic handle related to the energy size and the penetrability can be calibrated. The calibration precision of the action depth of the ultrasonic handle is improved.
Owner:GUANGZHOU HAOYANG INTELLIGENT TECH CO LTD

Construction project concrete crack detection ruler

A concrete crack detection ruler for construction engineering relates to the field of detection rulers and is used for solving the problem that a crack detection ruler cannot detect the depth of a crack. The construction project concrete crack detection ruler comprises a holding plate, a scale plate, a width detection assembly and a sliding plate. A sliding groove is formed in the plate face of one side of the holding plate, and scales are marked on the inner wall face of the sliding groove in the length direction of the holding plate. The scale plate is fixedly arranged at one end of the holding plate, scales are marked on the wall face of one side of the scale plate in the length direction of the scale plate, and the length direction of the scale plate is perpendicular to the length direction of the holding plate; the width detection assembly is arranged on the scale plate and is used for detecting the length and the width of the crack; the sliding plate is arranged in the sliding groove in a sliding mode, the sliding groove penetrates through the end of the side, close to the scale plate, of the holding plate, the sliding plate can slide in the length direction of the holding plate and can at least partially slide out of the holding plate, and the length of the sliding plate is smaller than that of the sliding groove.
Owner:锡林郭勒盟住房和城乡建设事业发展中心

Aircraft part arc detection device and stability evaluation method thereof

The invention provides an aircraft part arc detection device and a stability evaluation method thereof, the detection device comprises a dial indicator, a fixing screw and a detection frame, the detection frame is of a three-jaw equally-divided structure, a through hole through which the fixing screw can penetrate is formed in the detection frame, and the detection frame is fixed in the middle of a measuring rod of the dial indicator through the fixing screw; according to the detection method, the surface hole depth of the measured convex arc or concave arc and the depth of the butt joint gap can be obtained through the measuring dial indicator according to the bowstring method measuring principle. The device is a handheld arc surface detection device, is convenient to operate, is easy for on-site online operation, is higher in measurement precision, solves the problem of poor measurement precision of a hook ruler used on site, and can be matched with a measurement needle to perform high-precision measurement on small holes, skin butt joint depth and scratch depth of the skin.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Full-automatic steel bar planting hole measuring and cleaning machine

The utility model discloses a full-automatic steel bar planting hole measuring and cleaning machine which comprises an electric drill, a measuring part and a hole cleaning part. The measuring part and the hole cleaning part are sequentially connected with the electric drill. The measuring part comprises a measuring rod connector and a measuring rod, the connector is locked and connected through a locking device of the electric drill, and one end, far away from the electric drill, of the measuring rod connector is fixedly connected with the measuring rod; the hole cleaning part comprises a hole cleaning rod connector, a hole cleaning rod and brushes, the hole cleaning rod connector is detachably connected with the right side end of the measuring rod, the hole cleaning rod is fixedly connected with the hole cleaning rod connector, and the brushes are arranged on the periphery of the hole cleaning rod; through the design of the product, the construction procedures are effectively reduced, the accuracy of measuring the depth of the embedded steel bar hole is ensured, the embedded steel bar hole is cleaned more thoroughly, and the beneficial effects of ensuring the construction quality, improving the construction efficiency and saving the labor and time cost are achieved. In addition, the device is convenient and detachable, can achieve full-automatic hole measuring and cleaning, and is high in adaptability to cleaning and measuring of the embedded steel bar holes.
Owner:CHINA METALLURGICAL CONSTR HIGH TECH ENG TECH CO LTD