Strength testing equipment for NM360 steel

Abstract

The utility model belongs to the technical field of rigidity and strength testing, and particularly relates to NM360 steel strength testing equipment which comprises a testing table and a second fixing seat fixedly mounted on one side of the top of the testing table. The movement adjusting mechanism comprises a C-shaped first fixing seat which is arranged at the top of the test board in a sliding manner and is opposite to the C-shaped second fixing seat, and a fastening assembly which is used for fixing the first fixing seat after the first fixing seat is moved; the limiting assembly is used for horizontally limiting the first fixed seat when the first fixed seat slides, the limiting assembly comprises sliding strips symmetrically mounted on the two sides of the first fixed seat, sliding seats matched with the sliding strips are arranged on the two sliding strips in a sliding mode, and limiting plates used for limiting the sliding seats are fixedly arranged in the length directions of the sliding strips. The steel plate limiting device is simple in structure, can be flexibly adjusted according to different lengths of steel plates for limiting and fixing, avoids the problem of limitation, and is convenient for people to use.

Description

Technical Field

[0001] This utility model relates to the field of rigidity strength testing technology, and in particular to a strength testing device for NM360 steel. Background Technology

[0002] NM360 steel is a high-strength wear-resistant steel widely used in the automotive manufacturing industry. The safety of automobiles is extremely important. In order to improve the stability of the vehicle structure, after the steel materials used in the vehicle structure are processed, the steel needs to be tested for strength using a rigidity testing device to ensure its quality. Wear-resistant steel not only requires good wear resistance, but also excellent impact toughness.

[0003] A Chinese patent document (publication number: CN212932216U) discloses a rapid steel strength testing device, including a display, a support plate, a base, and a measuring seat. Fixtures are fixedly installed on both sides of the top of the base. An adjusting rod is movably installed through the top of each fixing rod. A pressure plate is movably installed at the bottom of each adjusting rod via a bearing. A measuring seat is fixedly installed on the base below each pressure plate. A measuring groove is formed on the top of each measuring seat. A pressure detector is fixedly installed inside each measuring groove. A buffer cap is installed on the top of each pressure detector via a spring. Support plates are fixedly installed on both sides of the base perpendicular to each other. This patent has a reasonable structure. Through the installation of a series of structures, the rapid steel strength testing device can prevent the steel from shifting due to excessive force during the testing process, thus ensuring the smooth progress of the test and the accuracy of the results.

[0004] However, in the aforementioned patent, the fixing frame is fixed. In actual use, since the length of the steel plate is not constant, it cannot be flexibly adjusted to limit its position according to the length of the steel plate, which has limitations.

[0005] To address these issues, we propose a strength testing device for NM360 steel. Utility Model Content

[0006] The purpose of this utility model is to solve the problem that the fixed frame is fixed in actual use, and since the length of the steel plate is not constant, it cannot be flexibly adjusted to limit the position according to the length of the steel plate, which has limitations. Therefore, a strength testing device for NM360 steel is proposed.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A strength testing device for NM360 steel, comprising:

[0009] The test bench has a C-shaped second fixing seat fixedly installed on one side of its top.

[0010] The movable adjustment mechanism includes a C-shaped first fixed seat that is slidably disposed on the top of the test platform and opposite to the opening of the second fixed seat, and a fastening component disposed between the test platform and the first fixed seat to fix the first fixed seat after it slides.

[0011] A limiting component for horizontally limiting the sliding of the first fixed seat. The limiting component includes slide bars symmetrically installed on both sides of the first fixed seat, sliding seats adapted to the slide bars, and a limiting plate fixed along the length of the slide bars to limit the sliding seats. Extension plates extend from both sides of the first fixed seat and are respectively fixedly connected to the two sliding seats.

[0012] A pressure plate for applying strength is mounted on the test bench above the first and second fixed seats via a bracket, and the pressure plate is fixedly connected to the bracket via a cylinder.

[0013] Furthermore, the fastening assembly includes a support plate extending along the back of the first fixed seat fixed in a C-shape and a threaded hole opened on the support plate. A fastening screw is screwed into the support plate along the threaded hole. The fastening screw is provided with a resistance plate for positioning along a first direction and a rocker plate corresponding to the test platform and fixedly connected to drive the fastening screw to rotate.

[0014] Furthermore, each of the C-shaped openings of the first and second fixed seats is provided with a circular placement groove. A pressure detector and a reset spring fixedly connected to the top of the pressure detector are fixedly installed in the placement groove corresponding to the C-shaped opening, and a buffer head that can be extended and retracted in the placement groove and fixedly connected to the top of the reset spring is also provided.

[0015] Furthermore, the first fixed seat and the second fixed seat are vertically provided with a threaded hole two and a clamping screw screwed into the threaded hole two along the C-shaped opening. The top end of the clamping screw is fixed with a rocker plate two for driving the clamping screw to rotate above the C-shaped opening. The bottom end of the clamping screw is provided with an extrusion plate for fixing the steel plate corresponding to the C-shaped opening.

[0016] Furthermore, the bracket is provided with a controller for driving the cylinder perpendicular to the outer edge of the test bench, and at least one pair of drawers symmetrically arranged on the outer edge of the test bench for storing tools.

[0017] Compared with the prior art, the advantages of this utility model are:

[0018] 1. This solution utilizes the limiting sliding cooperation between two sliding seats and two sliding bars to provide horizontal and stable movement for the first fixed seat, thereby allowing for movement adjustment according to steel plates of different lengths and making it suitable for steel plates of different sizes;

[0019] 2. In this solution, the rotation of the rocker plate causes the fastening screw to rotate, which in turn moves the resistance plate downward and contacts and presses against the test platform. The resistance formed between the resistance plate and the test platform achieves the effect of positioning the first fixed seat after adjustment. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a strength testing device for NM360 steel proposed in this utility model;

[0022] Figure 2 This utility model proposes a strength testing device for NM360 steel. Figure 1 A schematic diagram of the structure of part A in the diagram;

[0023] Figure 3 This utility model proposes a strength testing device for NM360 steel.

[0024] A three-dimensional structural diagram showing the connection between the pressure detector, return spring, buffer head, and locking block.

[0025] The correspondence between the numbers in the attached diagram is as follows:

[0026] 1. Test stand; 2. First fixed seat; 201. Extension plate; 202. Sliding seat; 203. Sliding bar; 204. Limiting plate; 205. Support plate; 206. Fastening screw; 207. Resistance plate; 208. Shaking plate one; 3. Second fixed seat; 4. Clamping screw; 401. Extrusion plate; 402. Shaking plate two; 5. Pressure detector; 501. Return spring; 502. Buffer head; 6. Bracket; 601. Cylinder; 602. Pressure plate; 7. Controller; 8. Drawer. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] Reference Figures 1-3 A strength testing device for NM360 steel, comprising:

[0030] Test bench 1, with a C-shaped second fixing seat 3 fixedly installed on one side of the top of test bench 1;

[0031] The movable adjustment mechanism includes a C-shaped first fixed seat 2 that is slidably disposed on the top of the test bench 1 and opposite to the opening of the second fixed seat 3, and a fastening component disposed between the test bench 1 and the first fixed seat 2 to fix the first fixed seat 2 after it slides.

[0032] A limiting component for horizontally limiting the sliding of the first fixed seat 2 includes slide bars 203 symmetrically installed on both sides of the first fixed seat 2, sliding seats 202 adapted to slide on the two slide bars 203, and a limiting plate 204 fixedly provided along the length of the slide bars 203 to limit the sliding seats 202. Extension plates 201 extend from both sides of the first fixed seat 2 and are respectively fixedly connected to the two sliding seats 202.

[0033] The pressure plate 602 is used to apply strength. The pressure plate 602 is mounted on the test bench 1 above the first fixed seat 2 and the second fixed seat 3 via a bracket 6. The pressure plate 602 is fixedly connected to the bracket 6 via a cylinder 601.

[0034] In this embodiment, the fastening assembly includes a support plate 205 extending along the back of the first fixed base 2 in a C-shape and a threaded hole 1 opened on the support plate 205. A fastening screw 206 is screwed into the support plate 205 along the threaded hole 1. The fastening screw 206 is provided with a resistance plate 207 for positioning along a first direction and a rocker plate 208 corresponding to the test platform 1 and fixedly connected to drive the rotation of the fastening screw 206.

[0035] In this embodiment, the first fixed seat 2 and the second fixed seat 3 are respectively provided with circular placement grooves in the C-shaped openings. The pressure detector 5 and the return spring 501 fixedly connected to the top of the pressure detector 5 are fixedly installed in the placement grooves corresponding to the C-shaped openings, and the buffer head 502 is retractable in the placement grooves and fixedly connected to the top of the return spring 501.

[0036] In this embodiment, the first fixed seat 2 and the second fixed seat 3 are vertically provided with a threaded hole 2 and a clamping screw 4 that is screwed into the threaded hole 2. The top end of the clamping screw 4 is fixed with a rocker plate 402 for driving the clamping screw 4 to rotate, corresponding to the top of the C-shaped opening. The bottom end of the clamping screw 4 is provided with a pressing plate 401 for fixing the steel plate, corresponding to the C-shaped opening.

[0037] In this embodiment, the bracket 6 is provided with a controller 7 for driving the cylinder 601 perpendicular to the outer edge of the test platform 1, and at least one pair of drawers 8 symmetrically arranged on the outer edge of the test platform 1 for storing tools.

[0038] The implementation principle of a strength testing device for NM360 steel according to an embodiment of this application is as follows: First, the operator places one end of the steel plate to be tested on the second fixed seat 3, and then pushes the first fixed seat 2 to move. At the same time, the first fixed seat 2 drives two sliding seats 202 to slide at the upper limit of two sliding bars 203 through two extension plates 201. The cooperation of the two sliding seats 202 and the two sliding bars 203 to limit the sliding provides a horizontal and stable movement for the first fixed seat 2, so that the movement can be adjusted according to steel plates of different lengths, so that the first fixed seat 2 is locked at the other end of the steel plate to be tested. After the adjustment is completed, the rotation of the rocker plate 208 drives the fastening screw 206 to rotate, so that the resistance plate 207 moves downward and contacts and squeezes the test table 1. The resistance formed between the resistance plate 207 and the test table 1 reaches the first fixed seat 200. After the fixed base 2 is adjusted and positioned, the rotation of the rocker plate 402 drives the two clamping screws 4 to rotate, thereby moving the two extrusion plates 401 downward to limit and fix the two ends of the steel plate to be tested. After fixing, the controller 7 drives the cylinder 601, which causes the cylinder 601 to move the pressure plate 602 downward to increase the pressure on the steel plate, achieving the effect of strength testing. At the same time, when the steel plate is pressurized, it can squeeze the two buffer heads 502 downward and compress the return spring 501. Then the pressure will be given to the two pressure detectors 5. The pressure data detected by the two pressure detectors 5 will be uploaded to the controller 7. The controller 7 has a display screen that can be used to display the collected data. The pressure detector 5 is the pressure detector in the announcement number: CN212932216U, which belongs to the prior art and is directly referenced.

[0039] All structures in this application can be customized in terms of material and length according to actual usage. The attached drawings are schematic structural diagrams, and the actual dimensions can be adjusted accordingly.

[0040] The above description is only a preferred embodiment of this practice, but the scope of protection of this embodiment is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope of the technology disclosed in this embodiment, based on the technical solution and the inventive concept of this embodiment, should be covered within the scope of protection of this embodiment.

Claims

1. A strength testing device for NM360 steel, characterized in that, include: The test bench has a C-shaped second fixing seat fixedly installed on one side of its top. The movable adjustment mechanism includes a C-shaped first fixed seat that is slidably disposed on the top of the test platform and opposite to the opening of the second fixed seat, and a fastening component disposed between the test platform and the first fixed seat to fix the first fixed seat after it slides. A limiting component for horizontally limiting the sliding of the first fixed seat. The limiting component includes slide bars symmetrically installed on both sides of the first fixed seat, sliding seats adapted to the slide bars, and a limiting plate fixed along the length of the slide bars to limit the sliding seats. Extension plates extend from both sides of the first fixed seat and are respectively fixedly connected to the two sliding seats. A pressure plate for applying strength is mounted on the test bench above the first and second fixed seats via a bracket, and the pressure plate is fixedly connected to the bracket via a cylinder.

2. The strength testing equipment for NM360 steel according to claim 1, characterized in that, The fastening assembly includes a support plate extending along the back of the first fixed base fixed in a C-shape and a threaded hole on the support plate. A fastening screw is screwed into the support plate along the threaded hole. The fastening screw is provided with a resistance plate for positioning along a first direction and a rocker plate corresponding to the top of the test platform and fixedly connected to drive the fastening screw to rotate.

3. The strength testing equipment for NM360 steel according to claim 1, characterized in that, The first and second fixed seats are provided with circular placement slots in the C-shaped openings. A pressure detector and a reset spring fixedly connected to the top of the pressure detector are fixedly installed in the placement slots corresponding to the C-shaped openings. A buffer head that can extend and retract in the placement slots and is fixedly connected to the top of the reset spring is also provided.

4. The strength testing equipment for NM360 steel according to claim 1, characterized in that, The first and second fixed seats are vertically provided with threaded holes and clamping screws that engage with the threaded holes. The top of the clamping screw is fixed with a rocker plate for driving the clamping screw to rotate above the C-shaped opening. The bottom of the clamping screw is provided with an extrusion plate for fixing the steel plate inside the C-shaped opening.

5. The strength testing equipment for NM360 steel according to claim 1, characterized in that, The bracket is provided with a controller for driving the cylinder perpendicular to the outer edge of the test bench, and at least one pair of drawers symmetrically arranged on the outer edge of the test bench for storing tools.

Images