661results about "Mechanical depth measurements" patented technology

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.

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.

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.

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.

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.

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.

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

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.

The utility model discloses a single-barrel ground well scale which comprises a single barrel body and a refueling bolt, the single barrel body is installed on the outer side of the refueling bolt for protection, a scale body used for measurement is arranged at the position, over the refueling bolt, of the top of the inner side of the single barrel body, and the scale body comprises a center fixing block. The center fixing block is provided with a depth scale used for longitudinal measurement and further provided with a transverse scale used for transverse measurement, and the transverse scale is folded and unfolded through the center fixing block. When the ruler is used for detecting a refueling bolt well, the depth ruler can measure the distance from the top of a refueling bolt to the step face of a well body, the ruler fixing block can fix and guide the depth ruler, the adjusting bolt on the ruler fixing block can be used for clamping the depth ruler to facilitate follow-up numerical value reading, meanwhile, the four transverse rulers are arranged in two directions, and the ruler fixing block can be used for fixing and guiding the depth ruler. The eccentric distance between the refueling bolt and the single barrel body can be known by recording numerical values in two directions and comparing the numerical values with the previously recorded numerical values.

The invention discloses a test device and a test method for researching seepage settlement of a water-rich tunnel, belongs to the technical field of geotechnical engineering tests, and aims to disclose a disaster-causing mechanism of the water-rich tunnel and a difference between the disaster-causing mechanism and a settlement disaster-causing process of a typical engineering area. Comprising a model box, a tunnel model, a water injection-seepage system and a settlement-deformation monitoring system, the model box is filled with a soil layer, and the tunnel model is buried at the designed depth of the soil layer; the water injection-seepage system is buried in a soil layer, is used for injecting water into the soil layer to simulate a seepage process, and comprises a seepage pipe and a water injection pipe; the settlement-deformation monitoring system comprises settlement measuring rods for monitoring stratum settlement, and the settlement measuring rods have various specifications; the dial indicator is used for monitoring ground surface settlement; the soil pressure gauge is used for monitoring soil pressure; the pore water pressure gauge is used for monitoring pore water pressure; a moisture meter for monitoring moisture migration; and the reflective monitoring target spot is used for monitoring tunnel convergence.

The invention provides a water sample collecting device for mineral water resource exploration, and relates to the technical field of water sampling, the water sample collecting device comprises a cylinder, a floating seat and a water taking mechanism, one end of the cylinder is opened, the other end of the cylinder is sealed, and a plurality of water inlet pipes are circumferentially arranged at the bottom of the cylinder; the water inlet pipe comprises a horizontal section positioned outside the cylinder body and an arc-shaped section positioned inside the cylinder body; the floating seat is arranged outside the barrel in a sleeving manner and can float on the water surface, and a positioning piece used for fixing the position of the barrel is arranged on the floating seat; the water taking mechanism comprises a mounting ring and a driving assembly, a plurality of collecting barrels are distributed on the mounting ring in the circumferential direction, and the driving assembly is used for driving the mounting ring to slide to the specified depth in the barrel body in the length direction of the barrel body and driving the mounting ring to rotate at the specified depth so that the collecting barrels can move to the position under the water inlet pipe in a one-to-one correspondence mode; according to the water sampling device, water samples at different depths can be conveniently collected, and the collected water samples can be taken out without integrally moving the device out of a water body, so that the next sampling is facilitated.

The invention relates to a sample collection auxiliary device for groundwater resource investigation, which belongs to the technical field of groundwater sample collection, is configured and connected to the bottom of a sampler, and comprises a tank body vertically arranged at the bottom of the sampler, and a conical balancing weight arranged right below the bottom of the tank body, the plurality of impact columns vertically penetrate through the bottom of the tank body in a surrounding manner at equal intervals by taking the center line of the tank body as the center, the connecting plate is horizontally arranged in the tank body, the lower side of the connecting plate is fixedly connected with the tops of the impact columns, and the linear displacement mechanism is arranged on the tank body. The linear displacement mechanism is used for driving the impact column to impact the top of the conical balancing weight from top to bottom, so that the conical balancing weight obtains larger potential energy, a rope between the sampler and a wellhead is straightened in an auxiliary manner, and a distance mark on the rope conforms to the actual depth of the sampler; the specific depth of the monitoring sampling well is accurately sampled, so that a sample of a specific layer of underground water is obtained.

The utility model discloses a water body sampling device for water affairs, which comprises a base, the upper end of the base is connected with a supporting assembly, the exterior of the supporting assembly is connected with a drying assembly, the exterior of the drying assembly is connected with a winding and unwinding assembly, and the lower end of the winding and unwinding assembly is connected with a sampling assembly. By arranging the drying assembly and the temperature controller to control on-off and temperature of the heating resistance coil, the heating resistance coil can be heated after being powered on, then the damp connecting belt can be heated and dried, and the situation that the service life of the connecting belt is affected due to long-time water erosion is prevented. The problems that in the prior art, a rope is wound up, the rope is difficult to dry in time after being affected with damp, the rope may be eroded by water for a long time, the service life of the device is easily influenced, and the depth of a sampled water body is difficult to know and the sampling accuracy is easily influenced during sampling in the prior art are solved.

A method for preventing the burning of a slag-probing rod used in high-temperature metallurgical smelting equipment and the slag-probing rod, in which a high-temperature-resistant isolation layer is compounded on the surface of the base material of the slag-probing rod, and a material-modified layer is further coated on the surface of the high-temperature-resistant isolation layer to further enhance the heat-insulating effect of the isolation layer and prevent the burning of the slag-probing rod in the high-temperature metallurgical smelting liquid; the high-temperature-resistant isolation layer is a ceramic-based heat-insulating material layer, and a modified layer composed of rare earth material is coated on the outer surface of the ceramic-based heat-insulating material layer, the material properties of the outer surface of the ceramic-based heat-insulating material layer are modified by the rare earth material, a high-temperature-resistant isolation layer with better heat-insulating effect is formed, and when the slag-probing rod is inserted into the smelting metal liquid in the high-temperature metallurgical smelting equipment, the high-temperature-resistant isolation layer protects the base rod of the slag-probing rod from high temperature. The present application forms a heat-insulating isolation layer on the outer surface of the ceramic-based heat-insulating material layer by modifying with rare earth material, which can effectively reduce the temperature of the middle part of the slag-probing rod and prevent the burning of the slag-probing rod.

The utility model discloses a welding seam inspection ruler which comprises a main ruler, the main ruler is provided with a first scale line and a foot ruler, the first scale line is parallel to a first side of the main ruler, the foot ruler is arranged along a direction perpendicular to the first scale line, an alignment end of the foot ruler is aligned with the first scale line, and the foot ruler is in sliding fit with the main ruler. A fastening and loosening assembly is arranged between the main ruler and the foot ruler so as to fasten or loosen the foot ruler and the main ruler. According to the utility model, the foot ruler is arranged and can slide along the main ruler, so that the problem that the external dimensions of an ultra-wide welding seam and an ultra-high fillet welding seam are difficult to measure can be effectively solved, and the measuring range of the ruler is widened.

The utility model discloses a hole depth measuring device capable of adapting to various hole diameters, and belongs to the technical field of mechanical cold machining. Comprising a cylindrical body and a cylindrical body arranged on the cylindrical body in a sliding and sleeving mode. A graduated scale is arranged on the outer circumferential face of the cylindrical body in the axial direction of the cylindrical body, a first conical face is arranged at the left end of the cylindrical body, a second conical face is arranged at the left end of the cylindrical body, and a third conical face is arranged at the right end of the cylindrical body. A boss is arranged at the right end of the cylindrical body, and the diameter of the boss is larger than that of the cylindrical body. And the inclination of the conical surface II is greater than that of the conical surface III. The hole depth measuring tool can be suitable for measuring hole depths of various hole diameters, the measuring efficiency is high, one-time measurement needs about 30 seconds, the measuring accuracy is high, the measuring error is smaller than 0.1 mm, the measuring accuracy is not affected by skills of users, and the problem that an existing measuring tool is large in measuring error is solved.

The utility model discloses a riverway silt depth detection device, which relates to the field of water conservancy detection equipment, and adopts the technical scheme that the riverway silt depth detection device comprises a handheld rod, a chassis is fixedly arranged at the lower end of the handheld rod, and a measuring rod is arranged in the handheld rod in a sliding manner; the top end of the measuring rod is fixedly provided with a force storage spring, one end of the force storage spring is fixedly connected with the measuring rod, and the other end abuts against the top of the handheld rod; two limiting hooks are rotationally arranged on a rod body of the handheld rod, a limiting groove is formed in a rod body of the measuring rod, and the limiting hooks are connected with the limiting groove in a clamped mode; the upper end of the measuring rod is sleeved with a sliding rod, two ends of the sliding rod are fixedly connected with the measuring rod through a mounting frame, and a gravity hammer is slidably arranged on a rod body of the sliding rod. The beneficial effects of the utility model are that the measuring rod employs a sliding storage design, and the measuring rod is retracted into the hand-held rod when not in use, thereby greatly reducing the overall length, and being convenient to carry and transport; the measuring rod can be vertically inserted into a sludge layer, the detection error is reduced, and the problem of measurement distortion caused by inclination of manual rod insertion is solved.

The utility model provides a depth quality inspection tool for a cylinder cover combustion chamber, belongs to the technical field of workpiece quality inspection, and provides the depth quality inspection tool for the cylinder cover combustion chamber, which is convenient to use, efficient and accurate in measurement and not easy to make mistakes. According to the technical scheme, at least three positioning beams are arranged on the two sides of a main beam in the length direction, a plane positioning head is fixedly arranged on the bottom face of each positioning beam, X positioning heads are arranged on the bottom faces of the ends of at least two positioning beams on one side of the main beam in the length direction, and at least one Y positioning head is arranged on the bottom face of one end of the main beam in the length direction. A plurality of dial gauges are fixedly installed on the main beam, sleeves of all the dial gauges are fixed in vertical through holes formed in the main beam, measuring rods of the dial gauges are located below the main beam, and gauge bodies of the dial gauges are located above the main beam. And the measuring head of each dial indicator is correspondingly contacted with the bottom end of one cylinder cover combustion chamber.

The present invention discloses a tool for inserting and retracting a locking screw for inspecting and sealing an inlet ball valve of a hydropower station, comprising a pushing mechanism, a ratchet mechanism, a transmission mechanism, and a locking and limiting mechanism; a ratchet sleeve is provided in the ratchet mechanism, and a ratchet sleeve mouth of the ratchet sleeve acts on the locking screw; a pushing direction of the pushing mechanism is perpendicular to a layout direction of the ratchet sleeve; an action end of the pushing mechanism is transmission-connected to a ratchet ring of the ratchet mechanism through a transmission mechanism; and a locking and limiting mechanism is limitedly connected to the ratchet mechanism; the present invention reads data through each scale mark in the application to form a data report, and judges the internal pressure condition of the ball valve inspection seal and the health degree of the inspection seal locking screw through the torque size and screw-in depth during each inspection; the sleeve scale provided on the ratchet sleeve can more intuitively observe the insertion and retraction condition of the locking screw; the arrangement of the force arm housing and the ratchet housing fully surrounds the remaining tools, and it is not easy for the tools to fall off during use.

The utility model relates to the technical field of engine measuring equipment, in particular to a cylinder hole seam allowance depth detection device which comprises a base and a detection mechanism, the detection mechanism comprises an outer ring, an inner ring, a plurality of connecting ribs, a lifting assembly, a positioning assembly, a rotating assembly and a display assembly, and a plurality of balls in the rotating assembly jointly support the outer ring. By means of the design, operation is convenient, the structure is convenient to produce, the detection efficiency of a measuring head in the display assembly is improved, and the problems that the position of a gauge stand is not convenient to adjust rapidly through a handle, the base is easy to drive to rotate synchronously when the handle is rotated, and the detection precision is high are solved. And the measurement of the cylinder hole spigot is influenced.

The utility model relates to the technical field of underground water sampling, in particular to an underground water level and quality sampler which comprises a supporting frame and a sampling mechanism, the supporting frame is arranged on the ground for supporting, and the sampling mechanism comprises a winding roller, a steel ruler belt, a reference rod, an installation assembly, a Beller pipe, a first one-way valve, a second one-way valve and a water level sensor. The winding roller is arranged on the supporting frame, one end of the steel ruler belt is wound on the winding roller, the other end of the steel ruler belt is fixedly connected with the installation assembly, the Beller pipe is arranged on the installation assembly and provided with a water inlet and a water outlet, the first one-way valve and the second one-way valve are arranged on the water inlet and the water outlet respectively, and the water level sensor is arranged on the water inlet. The reference rod is arranged on the support frame, and scale marks are arranged on the steel ruler belt, so that the technical problems that the sampling amount is small, the Beller tube ball valve is easy to leak and different aquifer secondary samples are inconvenient to distinguish when the water quality sampler in the prior art is actually used are solved.

The utility model discloses a detection device applied to a pressure welding process, which relates to the technical field of detection equipment and comprises a bottom plate, a workpiece supporting platform and a supporting vertical plate are fixedly arranged on the bottom plate, a welding spot detection device is arranged on the supporting vertical plate, and the welding spot detection device is higher than the upper end face of the workpiece supporting platform. The welding spot detection device comprises a linear driving device and a linear guide rail, a sliding block slides on the linear guide rail, a detection meter fixing seat is arranged on the sliding block, and a dial indicator is installed in a clamping groove of the detection meter fixing seat; when a workpiece to be detected is placed on the workpiece supporting platform, a detection probe at the lower end of the dial indicator abuts against the end face of the workpiece to be detected and is driven by the linear driving device to slide along the linear guide rail. Therefore, by arranging the sliding seat sliding along the linear guide rail, the dial indicator is driven to move, errors caused by human intervention are reduced, the detection speed is improved, and the accuracy of a measurement result is ensured.

The application discloses a kind of mill slot depth measuring device and mill slot machine, it is related to engineering machinery depth measuring technique field, to improve the accurate measurement of the depth of wire rope lowering or lifting.Mill slot depth measuring device includes base, measuring component and cooperation wheel.Base is configured to provide support.Measuring component includes support, measuring wheel, fixedly connected with the rotating shaft of measuring wheel and the measuring element installed on support;Rotating shaft is rotatably installed on support, and support is installed on base.Cooperation wheel is installed on base;There is gap between cooperation wheel and measuring component for accommodating wire rope.The technical scheme provided above provides mill slot depth measuring device, compact structure, by clamping wire rope in the gap between measuring wheel and cooperation wheel, to make wire rope drive measuring wheel rotation, in turn drive rotating shaft rotation.Rotation of rotating shaft is completely driven by wire rope, and the depth of wire rope lowering or lifting can be accurately calculated by the number of rotating circle of rotating shaft.

A tapered roller end face center hole depth measuring device relates to the technical field of auxiliary equipment for tapered roller processing, a main body plate is provided with a limiting mechanism and a measuring mechanism, the measuring end of the measuring mechanism corresponds to the limiting end of the limiting mechanism, the limiting mechanism is arranged in the middle of the main body plate, the number of the limiting plates is two, and the measuring mechanism is arranged on the main body plate. The two limiting plates are located on the two sides of the upper surface of the main body plate respectively and are fixedly connected, telescopic rods and springs are fixedly connected to the limiting plates and are connected in a sleeved mode, and universal joints are fixedly connected to the telescopic ends of the telescopic rods and the springs; according to the tapered roller end face center hole depth measuring device, the tapered roller needing to be measured is positioned through the limiting mechanism, the center hole of the tapered roller can be conveniently aligned with the measuring mechanism, a worker does not need to specially adjust the position of the tapered roller, operation of the worker is facilitated, and the working efficiency is improved. And the depth of the central hole of the tapered roller is measured through the measuring mechanism.

The invention provides a fine adjustment device for the meshing depth of a transmission gear, which belongs to the technical field of attack angle sensors and comprises a flange bracket, a mounting bracket, a rotary transformer assembly, a damper assembly and a weather vane rotating shaft assembly, the rotary transformer assembly, the damper assembly and the weather vane rotating shaft assembly are fixed in the circular mounting groove through an eccentric mounting flange and are meshed with one another, and mounting bracket scale marks are arranged on the eccentric mounting flange and the circular mounting groove. According to the device, a linear relation is established between the meshing depth and the scale marks, and the gear meshing depth debugging process of all parts of the attack angle sensor, which is adjusted according to artificial experience, is converted into an indication value which can be directly visually observed. The requirement for experience of operators is lowered, unmeasurable artificial experience is solidified into measurable indication data, the debugging efficiency is improved, and the number of times of wind tunnel test verification caused by repeated debugging is reduced.

The utility model provides a special gap inspection device for elevator inspection, which relates to the technical field of elevator gap inspection, and comprises a vernier caliper and an elevator gap inspection feeler gauge, an inner diameter measuring jaw with a fixed position of the vernier caliper is provided with an insertion frame, the insertion frame is divided into an upper part and a lower part, and the upper part is sleeved with a connecting plate; the connecting plate is arranged, the two abutting rods are arranged on the connecting plate to abut against the inner wall of the side, close to the car door, of the elevator gap, and the inserting frame on the connecting plate assists one end of the fixed inner diameter measuring jaw of the vernier caliper to move to make contact with the inner wall of the side, close to the car door, of the elevator gap. And the floating inner diameter measuring jaw moves along the width direction of the elevator gap to one side far away from the elevator car door until the inner diameter measuring jaw is attached to the other side edge of the elevator gap, so that the width of the elevator gap can be measured, and contact interference with the elevator car door can be avoided in the measuring process.

The utility model provides a hole depth detection device, relates to the technical field of product hole depth detection auxiliary devices, and aims to solve the problems that the quality of whole batch products is influenced, the detection efficiency is high, and the like due to the fact that defective products with missing detection flow out when a single number of parts are detected in a large-batch sampling mode in the conventional hole depth detection mode. In order to solve the problem of low detection efficiency of an existing detection mode, the device comprises a working seat, a cavity is formed in the working seat, a motor is installed in the cavity, the motor is rotatably connected with a rotor, a base is installed on the rotor, a vertical frame is installed on the working seat, a fixing block is installed on the vertical frame, and a measuring rod is slidably connected in the fixing block. A limiting frame is installed at the position, below the position fixing block, of the vertical frame, the measuring rod is arranged in the limiting frame in a sliding and penetrating mode, positioning seats are evenly distributed on the base, products to be measured are installed in the positioning seats, and the end of the measuring rod is a spherical protruding block.

The utility model discloses a kind of ultrasonic test block depth groove measuring tools, including ruler body and digital display, the lower end of ruler body is equipped with measuring base, digital display is slidably connected in the periphery of ruler body, and the front end of digital display is equipped with zero clear button, the side of zero clear button is provided with key, the lower of measuring base is equipped with measuring needle assembly, and measuring needle assembly is screw connection with measuring base. Compared with the prior art, the depth groove measuring tool, the measuring base is erected on the platform, when encountering larger hole, rotating fastening knob two loosens extension rail, extension rail slides outward to extend and increase the distance of two supporting blocks, rotating fastening knob two fixes extension rail, the support adaptability of device is better, metric thread is completely screwed into the thread hole of digital depth gauge measuring surface, move ruler body to make measuring head end surface flush with measuring base, turn on by pressing key, clear zero by pressing zero clear button, normal measurement can be carried out.

A digital threaded plug gauge, including a barrel, a sleeve disposed around the barrel configured to move up and down with respect to the barrel, the sleeve including a serrated rod having serrations thereupon, a spring attached to the serrated rod to allow for elastic functionality of the serrated rod as the sleeve moves up and down with respect to the barrel, and a sprocket disposed within the sleeve to cause the serrations of the serrated rod to catch upon the sprocket to allow the digital threaded plug gauge to obtain a depth reading corresponding to a distance that the sleeve has traveled, a display unit to display a distance that the sleeve has traveled, and a caliper circuit board to sense a distance that the sleeve has traveled with respect to the barrel, thereby allowing the display unit to display the distance that the sleeve has traveled.