239results about "Mechanical solid deformation measurements" patented technology

The application is suitable for the technical field of metal material detection, and provides a metal material mechanical testing device.The device comprises a bearing mechanism and a pressurizing mechanism.The bearing mechanism comprises a bearing table, a second support, a first support and a support plate.The support plate is slidingly arranged at both ends of the bearing table.The number of the support plates is two and they are symmetrically distributed.The support plates are used for supporting a test piece.One end of the support plate is connected with an auxiliary support mechanism away from one side of the first support.The device further comprises an adaptive positioning mechanism and a measuring assembly.The adaptive positioning mechanism is used for positioning a deformation position of the test piece.The measuring assembly is arranged on the auxiliary support mechanism and is used for measuring a moving distance of the adaptive positioning mechanism, so that deformation data of the test piece can be obtained immediately after the test.

The present application relates to a device for measuring the deformation of an elastic support for supporting a bridge grating, and more particularly to a device for measuring the deformation of an elastic support for supporting a bridge grating, which comprises a base support; a lateral deformation measuring portion rotatably connected to the base support; and a vertical deformation measuring portion detachably connected to the base support.

To provide a mounting structure for a strain gauge which can improve durability and can be applied to a larger number of configurations.SOLUTION: A structure for mounting a strain gauge (10) on a portion (91) to be measured, the strain gauge comprising a base member (11) in a film form, a resistance element (20) provided on the base member, a first wiring line (30) provided on the base member and connected to the resistance element, a terminal (40) provided on the base member and connected to the first wiring line, and a second wiring line (50) connected to the terminal. Of the base member, a first portion (P1) on which the resistance element is provided is adhered to the portion to be measured, while a second portion (P2) on which the terminal is provided is not adhered to another member (90).SELECTED DRAWING: Figure 1

The utility model discloses a molded case circuit breaker bearing support testing fixture, which comprises a base, a support frame is arranged in a groove at the inner side of the base, a bearing support positioning assembly is arranged at the inner side of the support frame, and a bearing support main body is arranged on a reference line at the middle parts of the end surfaces of the base and the support frame. By installing the bearing support positioning assembly, the positioning plate and the profiling positioning block at the two ends can be driven to be matched with the outline of the bearing support, it is ensured that the bearing support is positioned and fixed, a user only needs to rotate a rotary knob at one end to fix the bearing support in the middle, and if the bearing support cannot be completely attached to the positioning plate or the profiling positioning block, the bearing support can be fixed. Or the positioning pin cannot be inserted between the second mounting hole and the positioning hole, the bearing support may be deformed or the hole diameter is out of tolerance, a go-no go gauge is arranged at the front end of the bearing support and used for detecting the hole diameter of the bearing hole, and if the go end of the go-no go gauge can be smoothly inserted into the hole and the no-go end does not pass through the hole, the requirement is met.

The utility model relates to the technical field of building detection equipment, and discloses a building curtain wall detection device which comprises a detection table, the inner side of the detection table is fixedly connected with a rolling detection mechanism, the inner side of the detection table is fixedly connected with a curtain wall fixing mechanism, and the curtain wall fixing mechanism comprises a T-shaped sliding rail. The bottom of the T-shaped sliding rail is fixedly connected to the top of the table top of the detection table, and the outer side of the T-shaped sliding rail is fixedly connected with a limiting block. According to the utility model, the curtain wall fixing mechanism pushes the slide block to move along the T-shaped slide rail by means of the electric push rod, when the curtain wall is close to the curtain wall, the clamping cylinder pushes the clamping claw to clamp the edge of the curtain wall, and the micro air pump extracts air from the suction cup, so that stable fixation is realized, and shaking displacement during detection is prevented; through analysis of the sensor and the control panel, the detection accuracy and efficiency are improved, and the detection period is greatly shortened.

The utility model relates to the technical field of product deformation detection measuring tools, and discloses a product deformation rapid detection measuring tool which comprises a first measuring table and a second measuring table which are used for supporting the two sides of a product. The first test bench comprises a bottom reference surface and a side reference surface, the bottom reference surface is used for abutting against the bottom of a product, the side reference surface is used for abutting against the side of the product, the second test bench comprises a bottom test bench and a detection bench, the bottom test bench is used for supporting the product, the detection bench is provided with a detection groove, and the side end of the detection groove is open; and the detection groove is used for enabling the detection end part of the product to move transversely. During deformation testing, a product is placed on the first testing table and the second testing table, one side of the product synchronously abuts against the bottom reference surface and the side reference surface, the other side of the product moves along the detection groove in a penetrating mode, through cooperation of the bottom reference surface, the side reference surface and the detection groove, whether product deformation exceeds a preset value or not is detected, detection operation is simple and convenient, and detection efficiency is improved. Measurement is accurate, and product deformation detection efficiency is greatly improved.

This invention discloses a road and bridge settlement deformation monitoring system and method, comprising a baseline subsystem, at least one monitoring node, and a data acquisition and processing center. The baseline subsystem is used to establish a physical baseline; the data acquisition and processing center is used to process data; the monitoring node includes a mechanical sensing subsystem and an electronic sensing subsystem. The mechanical sensing subsystem includes a settlement sensing and amplification mechanism, a gravity self-locking and temperature compensation mechanism, and a self-calibration and memory mechanism; the electronic sensing subsystem includes a dual-mode sensing unit and a status monitoring unit. The dual-mode sensing unit includes at least two sensors used to acquire and output a reliable settlement signal after data fusion. This invention employs data fusion and cross-validation of dual-mode sensing units (such as an encoder and a laser displacement sensor), enabling the system to perform self-fault diagnosis, effectively identify mechanical transmission jamming or sensor malfunction, and thus output a verified reliable settlement signal.

The invention discloses a deformation measuring gauge for a workpiece, and relates to the technical field of measuring gauges, and the deformation measuring gauge comprises an angle ejector rod which is arranged on a base, the angle ejector rod is obliquely arranged along the height direction of the deformation measuring gauge, and the angle ejector rod can move relative to the base along the extension direction of the angle ejector rod; the first sliding block and the second sliding block are arranged in the first direction and can slide in a reciprocating mode in the first direction, the angle ejector rod makes contact with the first sliding block and the second sliding block in the first direction, and the angle ejector rod drives the first sliding block to slide in the direction away from the second sliding block when moving towards the position above the base. When the angle ejector rod moves towards the lower portion of the base, the second sliding block is driven to slide in the direction away from the first sliding block, and the detection structure is suitable for driving the angle ejector rod to move towards the upper portion of the base. Therefore, the cold and hot deformation of the workpiece can be measured in real time, the maximum deformation of the workpiece can be accurately measured, the structure is simple, the temperature resistance is high, the manufacturing cost is low, and the measurement cost of the deformation of the workpiece can be reduced.

This invention discloses a three-point method for measuring the deflection of subway vehicles, comprising the following steps: 1. Parking the subway vehicle to be measured on the zero rail; 2. Measuring the vertical distance from multiple points on the bottom of each car of the subway vehicle to the zero rail using a level and a measuring tape; 3. Calculating the heights Y1, Y3, and Y2 of the leading end, trailing end, and center point of each car from the zero rail surface according to the following formulas; 4. Calculating the height differences HZ1 and HZ2 between the first and second bogies of each car; 5. Correcting Y1, Y3, and Y2 based on the difference between HZ1 and HZ2; 6. Repeating steps 2 to 5 to obtain Y1, Y3, and Y2 for all cars of the subway vehicle, and summing them to obtain the deflection range of the subway vehicle. This invention can measure the deflection of rail transit vehicles more accurately, and saves measurement time, improving measurement efficiency.

The utility model discloses a PCB (printed circuit board) warpage measuring tool, which relates to the technical field of PCB detection, and comprises a measuring tool, the measuring tool is a right triangle plate, the included angle between the long straight edge and the bevel edge of the measuring tool is 10 degrees, the long straight edge of the measuring tool is provided with scale marks, and the bevel edge of the measuring tool is detachably provided with a support assembly. According to the utility model, the measuring tool is a right triangle with the angle of 10 degrees, the long straight edge of the measuring tool is provided with the scale marks, during measurement, the hypotenuse of the triangle is taken as the bottom, the measuring tool is inserted into the warping area, the scale of the long straight edge is read and recorded after insertion, and the warping value is obtained by multiplying the scale by sin 10 degrees, so that the measuring tool is simple and convenient to operate and does not need to be like a feeler gauge and a needle gauge; and different specifications need to be used for comparison one by one, so that the data measurement efficiency can be effectively improved.

The application discloses a sand box physical simulation experiment pushing and covering device and relates to the technical field of fold thrust belt simulation. The application comprises a sand box, a silica gel pad is fixedly installed in the sand box, first threaded rods are connected to the bottom of the silica gel pad, the first threaded rods are threadedly connected to the inside of first threaded cylinders, the first threaded cylinders are rotatably installed in the sand box, first connecting blocks are fixedly installed on the two sides of the first threaded rods, the first connecting blocks are slidably connected to first guide rods, and the first guide rods are fixedly installed on the bottom surface of the sand box. The application simulates horizontal force by driving the cylinder to push the plate, silica gel strips on the two sides of the plate enhance sealing, the surface friction threads increase friction force, the pushing and covering are more real, a plurality of first threaded assemblies cooperate with a first motor to adjust the two sides of the bottom of the silica gel pad, second threaded assemblies cooperate with a second motor to assist in simulating stratum deformation, a third motor adjusts the angle of the sand box, and all the components cooperate to provide reliable experimental conditions for research.

The utility model discloses a universal electronic fan assembly testing fixture. The general electronic fan assembly testing fixture comprises a bottom plate, the top surface of the bottom plate is slidably connected with a detection beam, one side of the detection beam is provided with a plurality of first positioning support assemblies, the other side of the detection beam is provided with a plurality of second positioning support assemblies, and the first and second positioning support assemblies are movably connected with the bottom plate. The first positioning and supporting assembly and the second positioning and supporting assembly cooperate to erect the electronic fan assembly above the detection beam, and the mounting surface of the electronic fan assembly directly faces the top surface of the detection beam. The utility model solves the problems of high manufacturing cost and site waste in the prior art.

The invention discloses a photovoltaic flexible support deformation rapid monitoring device, and relates to the technical field of support deformation monitoring, the photovoltaic flexible support deformation rapid monitoring device comprises a rigid support structure, a flexible support structure and a photovoltaic panel, and two ends of the bottom of the rigid support structure are provided with tension detection mechanisms used for monitoring structural tension and deformation conditions of the flexible support structure; the middle part of the bottom side of the rigid supporting structure is provided with a lifting angle adjusting mechanism used for adjusting the pitching angle of the photovoltaic panel. An elevation angle measuring mechanism is arranged on the side surface of the lifting angle adjusting mechanism; the tension detection mechanism comprises an arc-shaped steel sheet, the middle part of the arc-shaped steel sheet is fixedly connected with channel steel, and the top surface of the channel steel is fixedly connected with an upper hinge block, the tension of the sling and the working posture of the photovoltaic panel can be remotely monitored in real time, accurate data support is provided for tension adjustment, the subsequent maintenance and inspection process is also greatly simplified, and the working efficiency is improved. Therefore, comprehensive improvement of system safety, service life prolonging and operation and maintenance convenience is realized.

To provide a material testing machine in which the positional relation between a pair of grippers and a pair of arms can be appropriately changed by a simple structure.SOLUTION: A material testing machine (1) comprises: a load mechanism (35) for loading a test force on a test piece (T) both ends of which are held by a pair of grippers (38, 39); and an elongation measuring device (70) for fixing a pair of arms (80, 90) to a pair of marked lines (M1, M2) provided on the test piece (T) and measuring an elongation between the pair of marked lines (M1, M2). In the material testing machine (1), the elongation measuring device (70) includes a positioning mechanism (100) for pushing and moving the pair of arms (80, 90) in conjunction with the movement of the load mechanism (35) and positioning the pair of arms (80, 90) between the pair of grippers (38, 39). The positioning mechanism (100) includes an actuator (102) for adjusting push and move amounts (U1, U2) of the pair of arms (80, 90) in accordance with the length of the test piece (T).SELECTED DRAWING: Figure 2

The application discloses a multistage pressure-releasing supporting structure applied to underground engineering, and relates to the technical field of underground engineering, in particular to a multistage pressure-releasing supporting structure applied to underground engineering.

The invention relates to a rudder wing deflection measuring method which comprises the following steps that a base station is fixedly connected with a support and a stand column, the support is provided with a limiting groove, the two ends of a truss rod are fixedly connected to the stand column through supporting rods, and the truss rod penetrates through a fixed pulley; the lifting hook is connected with the stacking block through the pulling rope, the stacking block is provided with a clamping groove, the upper end and the lower end of the rudder wing are sleeved with the clamping groove and the limiting groove respectively, and the pulling rope winds and passes through the fixed pulley. The head of the dial indicator is abutted against the rudder wing, and the reading of the dial plate of the dial indicator is adjusted to an initial value; and hanging a weight on the lifting hook until the total mass of the weight is equal to a preset threshold value, reading a final value, and taking the difference between the final value and the initial value as the deflection value of the rudder wing. By adopting the technical scheme provided by the invention, the limiting groove and the clamping groove enable the rudder wing workpiece to keep a stable positioning position and posture, the preset threshold value of the total mass of the weights enables external loads borne by the surface of the rudder wing workpiece to be consistent, the deflection measurement working conditions of the workpiece are kept consistent as far as possible, and the comparability, precision and reliability of deflection data are improved.

The invention belongs to the technical field of steel structure deformation detection, and discloses civil engineering structure deformation monitoring equipment and a method thereof.The monitoring equipment comprises a U-shaped shell, a left-right screw opposite clamp used for being clamped with a vertical beam is arranged in the U-shaped shell, and wing plates are welded to the left outer wall and the right outer wall of the U-shaped shell; a shaft body locker is mounted on the outer wall of the right side of the U-shaped shell; a rotating shaft is rotatably installed at the lower position in the wing plate, one end of the rotating shaft penetrates out of the wing plate, a back seat is fixedly installed on the back face of the wing plate, an angle sensor is installed on the outer wall of the side, away from the wing plate, of the back seat, and the input end of the angle sensor is fixedly connected with one end of the rotating shaft. A pressure sensing mechanism is arranged at the position, located on one side of the angle sensor, in the back seat, a parallel four-connecting-rod sinking structure is installed at the top end of the wing plate, the parallel four-connecting-rod sinking structure is used for driving the rotating shaft to rotate when the cross beam bends and deforms downwards, and deformation changes at the steel structure beam body joints can be continuously monitored.

The utility model discloses a kind of file rod deformation detection gauges, to provide a kind of file rod deformation detection gauge with high testing accuracy and high detection efficiency, easy operation. The utility model includes fixed base, and fixed base is provided with opposite first detection groove and second detection groove, and first detection groove is provided with first connecting hole and second connecting hole, and first connecting hole is detachably connected with first connecting shaft, and second connecting hole is detachably connected with limiting shaft, and second detection groove is provided with third connecting hole and fourth connecting hole, and third connecting hole is detachably connected with lower limiting shaft, and fourth connecting hole is detachably connected with upper limiting shaft located above lower limiting shaft, and second detection groove has first curve and second curve, and first curve and second curve are respectively located inside and outside the other end of file rod when detecting. The utility model is applied to the technical field of detection gauge.

The utility model discloses gob-side entry retaining surrounding rock deformation observation equipment which comprises a pair of first supporting columns and a pair of second supporting columns, a cover plate is fixedly connected to the pair of second supporting columns, first groove bodies matched with the second supporting columns are formed in the first supporting columns, the second supporting columns are connected into the first groove bodies in a sliding mode, and the cover plate is fixedly connected to the first supporting columns. A spring is fixedly connected to the second supporting column, the end, away from the second supporting column, of the spring is fixedly connected to the bottom wall of the first groove body, a marking line is arranged on the second supporting column, a second groove body matched with the marking line is formed in the first supporting column, and an indicating assembly is installed in the second groove body. The indication assembly comprises an indication column which is installed in the second groove body. According to the gob-side entry retaining surrounding rock deformation observation equipment, the sinkage of a roadway top plate can be observed conveniently, the labor amount of workers is saved, and meanwhile the observation efficiency can be improved.

The application provides a kind of steel pipe concrete reinforced mixed structure long-term loading and measurement synchronous test device, including loading assembly, load measurement assembly, deformation measurement assembly, steel pipe concrete reinforced mixed structure.Loading assembly is mainly composed of loading plate, loading rod, nut, pre-tightening disc spring;Load measurement assembly is composed of force sensor;Deformation measurement assembly is mainly composed of measurement device;Steel pipe concrete reinforced mixed structure is a force structure.Through the invention of steel pipe concrete reinforced mixed structure long-term loading and measurement synchronous test device, the phased loading of internal steel pipe concrete and external reinforced concrete and the synchronous measurement of long-term internal force and deformation are realized, the key problem that internal force and deformation of internal steel pipe concrete and external reinforced concrete under phased construction condition cannot be accurately analyzed is solved, and reliable test results for further research on internal force redistribution law and deformation development law of such structure under long-term load are provided.

The present application relates to the technical fields of vacuum pump testing, in particular to a kind of vacuum sintering furnace equipment vacuum pump shell compression resistance test device, including cabinet shell, the outer wall of cabinet shell is rotatably connected with installation cabinet door, the inner wall top of cabinet shell is fixedly installed with the pressure bearing mechanism for extruding vacuum pump shell, pressure bearing mechanism applies impact extrusion force to the outer wall of vacuum pump shell, test vacuum pump shell by pressure bearing mechanism and detection mechanism to test its static balance state pressure bearing performance, vacuum pump is applied static pressure when detecting, data detection is carried out by detection mechanism, in detection, when shell is extruded and broken but not deformed, rupture causes gas leakage inside rubber corrugated sleeve, abutment ring block pushes moving block to move towards, make second elastic telescopic arm reset shrink, both can capture shell concave deformation, and subtle rupture condition can be detected, realize the comprehensive detection to the quality of vacuum pump shell.

The utility model relates to the technical field of concrete sample testing, in particular to a concrete sample shrinkage rate measuring device which comprises a box body, a base plate located in the middle of the top of the box body, a standard rod matched with the base plate, a supporting plate located on one side of the top of the box body and a stand column located on the other side of the top of the box body. Limiting mechanisms are arranged on the two sides of the box body. The limiting mechanism comprises an open hole formed in the top of the box body in the width direction of the box body; the screw rod is symmetrically provided with a forward thread and a reverse thread; the screw rod is rotationally mounted in the box body; the forward threads and the reverse threads are in threaded connection with moving blocks extending into the open holes. The moving block slides in the width direction of the box body; when the two positioning blocks are used for positioning the concrete sample, the positioning blocks are connected with the moving blocks in an inserting manner; the power assembly is fixed in the box body; a placing mechanism for placing the positioning block is arranged in the box body; the structure is simple, the sample can be quickly positioned, and the testing efficiency is improved.

The utility model discloses an automobile part quick clamping mechanism which comprises a working box, the upper end of the right side of the working box is movably connected with a fixing cylinder through a bearing, containing holes are formed in the periphery of the right end of the fixing cylinder, clamping blocks are connected to the surfaces of the containing holes in a sliding mode, and through grooves are formed in the surfaces of the clamping blocks. And the lower end of the inner cavity of the working box is movably connected with a second screw rod through a bearing. The brake disc deformation detection device can support a brake disc needing deformation detection through the arrangement of the fixing cylinder, and can enable the clamping block to extend out of the interior of the fixing cylinder in the clamping process of the brake disc through the arrangement of the second screw rod, the moving frame, the moving plate, the shifting column, the through groove, the clamping block and the containing hole, so that the brake disc deformation detection device can be used for detecting the deformation of the brake disc. And the periphery of the inner side of the brake disc is effectively clamped and fixed, so that the effect of rapidly clamping and fixing the brake disc is achieved, the overall operation is convenient and rapid, and the efficiency of clamping operation is effectively improved.