161 results about "Drop tests" patented technology

The invention is applied to the technical field of test equipment, and discloses a drop test device and method, a storage medium and a control system, and the drop test device comprises an object acceleration control unit which is configured to drive a to-be-tested object to do accelerated motion along a first direction according to a target acceleration; the object angle conversion control unit is configured to receive the to-be-tested object completing accelerated motion and convert the motion direction of the to-be-tested object to a second direction, and the to-be-tested object falls in a free-fall accelerated motion mode; the object speed and angle monitoring unit is configured to monitor the falling angle and the falling speed of the to-be-tested object during falling. No clamp is in contact with an object to be tested in the falling test process, so that interference-free high-precision directional falling control is realized; the to-be-tested object does the free falling motion with the initial speed, so that the falling speed is not limited by the height, and the requirement for accelerated falling test is met. Therefore, the drop test equipment can realize high-precision directional acceleration drop test and improve the accuracy of a drop test result.

The utility model discloses a drop test device, which comprises a sample mounting and lifting unit, a sample fixing unit and a drop receiving unit, the mounting and lifting unit can move and level, a tested product sample is detachably mounted on the sample fixing unit, the sample fixing unit is movably mounted on the mounting and lifting unit, and the drop receiving unit is mounted on the mounting and lifting unit. The sample fixing unit is controlled to release the tested product sample, so that the tested product sample freely falls into the falling receiving unit. According to the utility model, the drop test can be carried out on products such as a point-type temperature-sensitive fire detector and a manual fire alarm button, free drop of a tested sample can be realized, drop height control, repeatability and consistency are good, the device is simple to operate, and test efficiency can be improved.

The invention belongs to the field of aviation structure strength tests, and particularly relates to a testing machine pitching and rolling angle adjusting method and system for a full-aircraft drop test, and the method comprises the steps: adjusting the lengths of a front lifting rope l1 and a rear lifting rope l2 through a first servo motor; the lengths of the adjusted front lifting rope l1 and the adjusted rear lifting rope l2 are calculated through the cosine law according to the geometrical relationship; the lengths of the left lifting rope 13 and the right lifting rope 14 are adjusted through a second servo motor; and the lengths of the adjusted left lifting rope 13 and the right lifting rope 14 can be calculated through the cosine law according to the geometrical relationship. The pitching and rolling postures can be automatically adjusted, and the problems that an existing method is low in efficiency and poor in precision are solved. According to test experience, according to an existing posture adjusting method, replacement needs about half a day to one day every time, the number of times of putting every day does not exceed ten at most, and manual operation is needed on wings or a fuselage every time. And after automatic adjustment is achieved, the target can be achieved in several minutes through adjustment of the motor, efficiency is high, and safety is higher.

The embodiment of the invention provides a sample testing method, device and equipment and a medium, which are used for solving the problem that the consistency of drop tests of samples with unified specifications cannot be ensured in the related technology. The electronic equipment determines target position information of a central point of the top surface of the sample, sends the target position information to the grabbing equipment, so that the grabbing equipment adsorbs the sample based on the target position information, determines gravity center position information of the sample according to a torque value acquired by the torque sensor, determines a target edge corresponding to the test task, and sends the target edge to the test equipment; determining a target rotation angle based on the gravity center position information and the target edge; the grabbing equipment rotates by the target rotation angle based on the target edge, so that the gravity line of the sample can pass through the gravity center and the target edge, the sample is subjected to a drop test, a user does not need to place the sample in the process, target position information and the target rotation angle can be determined, the consistency of drop tests of samples of unified specifications can be ensured, and the test efficiency is improved. And the accuracy of sample testing is improved.

The invention discloses a dangerous cargo package drop-stacking composite test integrated detection system, which relates to the technical field of dangerous cargo package detection and integrates a rack, a lifting module, a drop test module, a stacking test module, a control module, a detection module and a display terminal. Compared with a traditional mode of separately carrying out falling and stacking tests, the integrated design greatly reduces the occupied area of equipment, and the detection cost is reduced; the test process is simplified, the detection efficiency is remarkably improved, and manpower and time cost are saved; the device can simulate the complex condition that the dangerous cargo package is subjected to falling impact and stacking pressure in an actual scene, enables the detection result to be more accurate and reliable, and comprehensively evaluates the real performance and safety of the package.

The utility model discloses a carton drop test device convenient to adjust, which comprises a base, a mounting frame fixedly arranged on the base and a control box arranged on the base, a movable sleeve is movably arranged on the mounting frame, a supporting piece for placing a carton is rotatably arranged at the lower end of the movable sleeve, and a plurality of clamping grooves are formed in the lower end of the supporting piece. The supporting pieces are connected through a push-pull air cylinder arranged on one side, and an adjustable limiting assembly is arranged at the upper end of the movable sleeve. Cartons placed at different inclination angles can be limited and fixed through the limiting assembly, meanwhile, the carton is supported by matching with the supporting piece at the bottom, and the placement stability of the carton at different angles or when the carton is filled with materials is improved; the problem that in the prior art, when a carton is clamped and fixed from the two sides, the carton is prone to being damaged is solved, meanwhile, the angle and position of the carton can be conveniently adjusted, limiting and fixing are conducted from different positions through the limiting assembly, and the stability of a carton falling test and the comprehensiveness of test data are improved.

The invention relates to a release device (1) for releasing an object suspended therefrom under load, in particular for drop tests, wherein the release device (1) comprises: two complementarily shaped clamping jaws (3a, 3b), wherein the clamping jaws (3a, 3b) are each rotatably mounted about a bearing (2), wherein the clamping jaws (3a, 3b) are designed to hold a release bolt (4) with the hanging object attached thereto in the closed state; and a toggle lever with two legs (5, 6), wherein the legs are connected at their common connection to a bearing bolt (7) and are connected at their respective outer connections (22a, 22b) to the clamping jaws (3a, 3b), wherein the toggle lever is designed to hold the clamping jaws (3a, 3b) closed without actuating force in an overextended configuration against a mechanical stop (10);wherein the toggle lever is configured to release the locking of the clamping jaws (3a, 3b) by a primary stroke (24) of the bearing pin (7) resulting from the overextension of the toggle lever beyond the dead center, corresponding to a secondary stroke (25), so that the clamping jaws (3a, 3b) transition to an open state and the hanging object is dropped. The invention further relates to a method for releasing a hanging object under load.

The utility model discloses a throwing test platform, which relates to the technical field of throwing test machinery and comprises a stop pile, a bearing mechanism and a throwing rack, and the stop pile is arranged at the tail end of the bearing mechanism. The device can be used as important guarantee equipment for ground test items such as function verification, performance test, delivery acceptance and the like, and can meet the requirements of multi-connection continuous release tests.

The utility model discloses a micro-drop testing machine, and relates to the technical field of micro-drop testing machines, the micro-drop testing machine comprises a workbench, the top of the workbench is fixedly provided with a protective cover, the outer wall of the protective cover is rotatably connected with a plurality of groups of box doors through hinges, and the top of the workbench is fixedly provided with a support rod. The beneficial effects of the utility model are that a to-be-tested product is placed between the two groups of clamping frames in the protective cover by opening the box door, then the box door is closed, components moving at a high speed and areas with potential dangers during operation are effectively shielded, and the to-be-tested product is clamped between the two groups of clamping frames by starting the cylinder through the control screen. And the servo motor drives the servo motor shaft to rotate, so that the position height of the cross beam is adjusted, the test requirements of various products are met, multiple groups of products are tested at the same time by arranging multiple groups of guide rods, air cylinders and clamping frames, and the test efficiency is further improved.

1. The name of the design product: Directional Drop Test Platform. 2. The use of the design product: For adhesion impact drop test after soldering electronic components on a circuit board. 3. The design key points of the design product: Lies in the shape. 4. The picture or photograph that best shows the design key points: Perspective view.

The present disclosure relates to the technical field of test equipment, and provides a falling test device, which comprises a lifting assembly, a sliding assembly, a containing assembly and a cushion plate assembly; the lifting assembly has a lifting piece and a driving motor in transmission connection with the lifting piece; the sliding assembly is in separable connection with the lifting piece and can move upward synchronously with the lifting piece or freely fall alone after being separated from the lifting piece; the containing assembly is connected with the sliding assembly and has a containing space for containing an object to be tested; the cushion plate assembly is correspondingly arranged below the containing assembly and is used for receiving the containing assembly and detecting the impact load when the containing assembly falls; the driving motor can electrically drive the lifting piece to move upward to a fixed height. The falling test device has the beneficial effects of being able to accurately control the falling height and having high test efficiency.

The invention discloses an impact-drop test system based on a buoyancy principle and a test method thereof, and relates to the field of impact resistance tests of engineering structures. The problems that an existing impact / drop test system is high in construction and maintenance cost and complex in safety problem, the form of a hammer head in an impact test is single, and an impact / drop test of a complex model or a prototype which is large in danger, large in height and large in size cannot be carried out are solved. According to the invention, large-height lifting of a large-mass and large-size complex model in a large impact / drop test is realized by using the balloon type floating load tool, so that the whole test system is movable; the specific form of the floating load tool comprises but is not limited to a hot-air balloon, a balloon filled with light gas and provided with a heating device and an air bag closed balloon with the height controlled through the inflation amount according to test requirements, the lifting height is not limited to the maximum design value given by the method, and the falling position is accurately controlled by combining track calculation software. The impact-drop test device is used for impact-drop tests.

This utility model discloses an adjustable drop test device for metal components, belonging to the technical field of drop test devices. The adjustable drop test device for metal components includes a support base, on the top of which are mounted a vertical drop test component, a spill drop test component, and an adjustable drop impact platform component. The vertical drop test component includes four guide rods fixed to the top of the support base. This utility model, by setting up a horizontal vertical drop test component and a spill drop test component, uses the guide rods as a base and a lifting mechanism to adjust the height of the placement base, combined with a limiting structure to achieve a vertical free fall of the component, thereby simulating drop scenarios at different heights. The spill drop component allows the metal component to be thrown in a parabolic trajectory, recreating an accidental drop. Therefore, this device can simulate both vertical and spill drop scenarios of metal components, solving the problem of the limited functionality of existing drop test devices and improving its practicality.

The utility model discloses a drop test tool. The drop test tool comprises a rack, a material box, a drop mechanism, a pickup mechanism and a visual inspection mechanism, the material box is mounted on the rack; the falling mechanism is installed on the machine frame and provided with a clamping jaw, and the clamping jaw is located above the material box. The picking mechanism is installed on the rack, the picking mechanism is provided with a picking clamping jaw, and the picking clamping jaw can move between the material box and the clamping jaw; the visual inspection mechanism is installed on the machine frame and electrically connected to the picking mechanism. According to the drop test tool, the drop test of equipment can be automatically carried out, manual intervention is reduced, the large-scale and high-frequency test requirements are met, and the test efficiency is improved.

The utility model relates to the field of electronic equipment testing, in particular to an electronic equipment drop test device, which comprises a test box, a protective plate and an observation window are respectively and rotatably mounted on one side of the test box, a lifting mechanism is arranged in the middle of the other side of the test box, a lifting head is arranged on the lifting mechanism in a driving manner, and a vacuum pump is arranged on the lifting head. The vacuum pump is connected with the vacuum suckers. According to the utility model, the equipment to be detected is fixed on the lifting head through the vacuum chuck, the lifting head is driven by the control box to ascend and descend, and the equipment is released at a specified height, so that not only can the stability and the homogeneity of each test condition be ensured, but also the feeding can be carried out more quickly, and the detection efficiency is ensured; meanwhile, through cooperation with an inclined table and a test platform arranged at the bottom of the test box, splashing of chippings falling from the equipment can be avoided, the chippings are collected in time, and the accuracy of a test result is guaranteed.

The invention relates to the technical field of test equipment, and particularly discloses a turnover device and drop test equipment, the turnover device comprises a positioning mechanism, a turnover mechanism and a lifting driving member, the positioning mechanism comprises a first positioning assembly, a second positioning assembly and a supporting seat, the first positioning assembly is used for clamping or loosening two ends of a to-be-tested product in a first direction, and the second positioning assembly is used for clamping or loosening two ends of the to-be-tested product in a second direction; the second positioning assembly is used for clamping or loosening the two ends of the to-be-detected product in the second direction; the turnover mechanism comprises a turnover driving part and a turnover grabbing assembly in transmission connection with the turnover driving part, the turnover driving part can drive the turnover grabbing assembly to rotate, and the turnover grabbing assembly is used for grabbing or loosening the tested product; the lifting driving part is used for driving one of the positioning mechanism and the turnover mechanism to be close to or far away from the other one in the vertical direction, the to-be-tested product is positioned through the positioning assembly before and after the to-be-tested product is turned over, and it can be guaranteed that the position of the to-be-tested product grabbed by the turnover grabbing assembly is accurate; and the position precision of the overturned product to be detected is ensured to be reliable.

The present invention provides a drop test method and device for plastic packaging products that can be released continuously, and relates to the technical field of test devices for the production of plastic packaging products. The test method includes step 1: transporting a number of samples arranged at intervals to a drop release position in sequence by means of a conveyor belt; step 2: at the drop release position, releasing a number of samples that arrive in sequence in sequence, so that a number of samples fall to a plane in sequence; step 3: visually inspecting a number of samples that fall to the plane in sequence, completing an initial inspection of the sample appearance and recording the initial inspection results, and collecting qualified samples and unqualified samples separately according to the initial inspection results; wherein, before releasing the sample in step 2, the sample's drop angle is first adjusted. The present invention solves the problem that existing drop methods and devices cannot achieve efficient and continuous release of large quantities of samples, and the drop angle is single.

The utility model relates to a skid -type undercarriage drop test device, including gantry, electric hoist, electromagnet, metal section tool rest, counterweight, the metal section tool rest is used for installing counterweight, and still include the undercarriage installation tool of skid -type undercarriage, electric hoist fixed mounting is below the gantry, is used for driving the lift of electromagnet, the electromagnet can adsorb the metal section tool rest when electrification.

The invention relates to a defect detection method and defect detection equipment. The defect detection method comprises the following steps: acquiring a standard TRS value S1; based on the standard TRS value S1 and a detection pressure value calculation formula, a detection pressure value F is obtained through calculation; applying detection pressure to the detection targets on the two supporting points according to the detection pressure value F, wherein a force application point is located between the two supporting points; wherein the calculation formula of the detected pressure value is F = (S1 * pi * d3) / (8 * L). Wherein d is the diameter of the target to be detected, and L is the distance between the two supporting points. According to the defect detection method, the transverse breaking strength is used as a standard for judging internal defects of the detection target, the standard TRS value S1 is converted into the detection pressure value F, and the force value is applied to the detection target. If the target is not fractured, it is indicated that the transverse fracture strength of the target can reach the standard TRS value S1, the target is a qualified product, the detection result is more reliable and stable compared with a drop detection method, and the probability of non-defective scrapping is lower.

The utility model relates to the technical field of cosmetic production, and provides a drop test device which comprises a lifting module, an angle adjusting module and a pneumatic clamping module, the angle adjusting module is arranged on the lifting module, and the pneumatic clamping module is arranged on the lifting module. The angle adjusting module is used for driving the pneumatic clamping module to adjust the horizontal angle, and the lifting module is used for driving the pneumatic clamping module to move and adjust in the height direction. Therefore, the effect of reducing the drop test error of the lipstick at different gradients can be realized.

The utility model belongs to the technical field of drop test, and particularly discloses a drop detection safety protection device which comprises a bottom table, a frame plate is installed on the outer side of the bottom table through bolts, an opening is formed in the front end of the frame plate, a protection door is arranged in the opening in a sliding mode, and a working platform is movably installed on the surface of the bottom table. A side plate is installed at the end of the rear portion of the working platform, a door opening mechanism and a path groove are arranged on the inner wall of the frame plate, a protruding column and a pushing column are arranged on the surface, close to the frame plate, of the side plate and matched with the path groove and the door opening mechanism correspondingly, and a driving mechanism is arranged in the bottom table. According to the utility model, when substandard objects are broken after a falling test, the driving mechanism drives the working platform to move forwards, and the working platform is in an inclined state after extending out, so that the cleaning and the maintenance are facilitated.

The utility model relates to the technical field of drop tests, and aims to solve the problems that a drop test device in the prior art is limited in test range and cannot meet limit tests. The utility model provides a paper packaging product drop test device. The paper packaging product drop test device comprises a lifting platform group, a fixed seat and a sliding assembly, the lifting platform group comprises a fixed lifting platform and a sliding lifting platform; one end of the fixed seat is connected with the sliding assembly; the fixed lifting platform is connected with the fixed seat; the fixed lifting table extends towards the sliding lifting table to be provided with a pushing assembly. The sliding lifting table is connected with the sliding assembly and slides towards the end away from the fixed lifting table. The distance between the fixed lifting table and the sliding lifting table is adjusted to adapt to box bodies with different sizes; the box body falling test device can simulate the box body falling condition in the transportation process, and by controlling the magnitude of thrust applied by the propelling assembly, falling tests of different degrees are carried out on the box body until a limit value is measured.

The application discloses a kind of introduction cable preform end assembly drop test device, including base;The bottom end of the both sides of the base is hinged with load-bearing plate by hinge;By operator sliding clamping plate A and horizontal crossbar backwards, it is fixed on the object plate, while the metal impact plate in the base is removed, and is clamped in the base;Subsequently, artificially take out the introduction cable preform, and lead out a section through between clamping plate A and clamping plate B, and make the section that it leads out adhere to the bottom of horizontal crossbar, then release hand, the end of introduction cable preform leads out will swing around the part that it is fixed in clamping plate A and clamping plate B under the action of gravity, and impact on metal impact plate under the action of inertial force;Relative to prior art, steel ruler is arranged in the device on the both sides of support frame, can ensure that the introduction cable drop height is consistent and adjustable, the result error of repeated test is relatively small, and the accuracy is guaranteed.

The invention discloses an aircraft landing gear buffer mechanical model construction method and device and a storage medium. The method comprises the steps that S1, a buffer mechanical model is established; s2, acquiring drop test data and extension test data of the nose landing gear; and S3, correcting the oil damping force in the buffer mechanical model by using the drop test data and the extension test data of the nose landing gear. According to the technical scheme, the accuracy of the buffer mechanical model is improved.

The utility model provides a device for a drop test of a battery of more than 50kg, which comprises a frame, a lifting rope rotating shaft is rotatably arranged in the middle of the upper end of the frame, a winch is arranged in the middle of one side of the frame, a lifting rope is bundled on the winch, one end of the lifting rope bypasses the lifting rope rotating shaft and is fixedly connected with a lifting hook, the lifting hook comprises a hook body, and the hook body is fixedly connected with the lifting rope. The upper end of the hook body is fixedly connected with a lifting rope, an opening is formed in the middle of the lower portion of the hook body, a wrench and a hook are contained in the opening, one end of the wrench is rotationally connected with the hook body, and the upper end face of the hook is an inclined face and forms an acute-angle tip. The wrench is in a horizontal state, a hanging rod is arranged on one side of the middle of the hook, and one side of the middle of the hook is rotationally connected with the hook body. According to the invention, the falling height and the impact position of each time can be consistent, and the accuracy of the subsequent test result and the safety of the detection operation process are ensured.

A drop test device for a micromechanical component. The drop test device includes a drop body having a shell and having an interior space for receiving at least one micromechanical component.

The embodiment of the present invention provides an electronic system and a drop test method for the electronic system. The electronic system includes: a carrier, the surface of the carrier includes two long sides and two short sides, and a plurality of lock holes for fixing the carrier are arranged in the carrier; a packaging structure is arranged on the surface of the carrier; a mass block is arranged on the surface of the carrier, and a portion of the plurality of lock holes are arranged adjacent to one of the two short sides, and an outer common tangent parallel to one of the short sides is determined through the edge of a portion of the lock holes away from one of the short sides, and the mass block is located in the area defined between one of the short sides of the surface and the corresponding outer common tangent. The embodiment of the present invention can at least improve the reliability of the product.

The invention provides a movable rod falling test tool box for a nuclear power station rod position system, and the movable rod falling test tool box is in communication connection with a data collection cabinet of the nuclear power station rod position system, and is used for obtaining rod falling data from the data collection cabinet. The movable rod falling test tool box at least comprises a controller and a function card which are integrated in a case; and the controller is used for sending a rod falling test instruction to the data acquisition cabinet, acquiring rod falling data based on the rod falling test instruction and processing the rod falling data based on a preset processing mode so as to complete a rod falling test. According to the movable rod falling test tool box provided by the invention, a rod falling test can be carried out nearby the data acquisition cabinet under the condition that the movable rod falling test tool box is separated from the rod falling test cabinet, so that the problems of inconvenience in communication of personnel, incapability of observing the communication state of equipment in time and the like caused by a long distance are solved, and the test working efficiency is improved.

A solid food is a solid food having a solid form obtained by compression molding a powder, in which in a case where a drop test in which the solid food is dropped onto a drop face is repeated until the solid food is broken, the number of times of dropping leading to breakage when a dropping energy density per unit fracture stress EF is 2×10−4 [(J / m2) / (N / m2)] is 3 times or more, the number of times of dropping leading to breakage when EF is 1×10−4 [(J / m2) / (N / m2)] is 10 times or more, and the number of times of dropping leading to breakage when EF is 5×10−5 [(J / m2) / (N / m2)] is more than 30 times, EF being obtained by dividing a dropping energy density in the drop test by a fracture stress of the solid food.

The present invention relates to the field of motor processing technology, and specifically to a drop test device for axial motor processing, comprising a landing device, a landing plate installed on the landing device, a suction cup arranged on the landing plate, a control console for controlling the landing device and the suction cup, a drop platform located below the suction cup, and a protective shell installed on the outside of the drop platform, and also includes: an adjustment component. The drop test device for axial motor processing is provided with an adjustment component provided on the landing plate. The adjustment component can adjust the working states of two groups of suction cups thereon through a connecting plate, so that the two groups of suction cups can adsorb the plane of a micro axial motor tooling, and at the same time, the two connecting plates can clamp the side of the micro axial motor tooling, so that the drop test device in the present invention can perform directional drop detection and short-distance micro-drop detection on the micro axial motor, effectively reducing the detection cost of the micro axial motor.