Secondary impact device based on mechanical impact testing machine
By designing a combination structure of clamping plate and pressure spring and a secondary impact device with threaded rod to adjust the position of pendulum on the mechanical impact testing machine, the problem of test object displacement was solved, and a more efficient and stable secondary impact test was achieved.
Patent Information
- Application Number
- CN202423213398.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing impact testing machines, the test object is prone to displacement after the first impact test, which affects the efficiency and stability of the second impact test.
A secondary impact device based on a mechanical impact testing machine was designed. The test object is clamped by a combination of clamping plates and pressure springs, and the position of the pendulum is adjusted by a threaded rod and a turntable to ensure the stability and applicability of the object in different positions.
This improves the efficiency and stability of secondary impact testing, expands the applicability of the device, and ensures effective impact testing of objects at different locations.
Smart Images
Figure CN223678987U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical impact testing machine technical field, concretely is a secondary impact device based on mechanical impact testing machine. BACKGROUND
[0002] Impact testing machine refers to the material testing machine that applies impact test force to the sample and carries out impact test. Impact testing machine is divided into manual pendulum hammer impact testing machine, semi-automatic impact testing machine, digital impact testing machine, microcomputer control impact testing machine, drop hammer impact testing machine and nonmetallic impact testing machine etc. The simple beam and cantilever beam two forms of test can be realized by replacing the pendulum hammer and sample base. Drop hammer impact testing machine is another kind of impact testing machine, which is suitable for drop hammer impact test of ferrite steel (especially various pipeline steels).
[0003] However, most of the existing impact testing machines do not have the structure of clamping the test object. After the first impact test on the test object, the object will be displaced by the impact force, and the object needs to be adjusted before the second impact test, which affects the efficiency of the object impact test. UTILITY MODEL CONTENT
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a secondary impact device based on a mechanical impact testing machine.
[0005] In order to achieve the above-mentioned purpose, the utility model is the technical scheme as follows:
[0006] A secondary impact device based on a mechanical impact testing machine, comprising a workbench, vertical plates are arranged on both sides of the workbench, a connecting rod is arranged on the upper part of the two vertical plates, a pendulum hammer is rotatably arranged in the middle part of the connecting rod, an L-shaped placement table is arranged at the middle position of the top of the workbench, a sliding rod is arranged in the placement table, a sliding block is slidably arranged on the sliding rod, a compression spring is wound on the sliding rod, one end of the compression spring is fixed to the end part of the sliding rod and the other end is fixed to the end part of the sliding block, and a clamping plate is fixed to the top of the sliding block and faces the vertical surface of the placement table.
[0007] Preferably, the height of the clamping plate is less than the height of the vertical surface of the placement table, and the height of the clamping plate is not less than one half of the height of the vertical surface of the placement table.
[0008] Preferably, the pendulum hammer rotates along the clamping plate and the vertical surface of the placement table.
[0009] Preferably, T-shaped grooves are formed on both sides of the workbench, and T-shaped blocks are slidably connected to the T-shaped grooves on one side of the vertical plate.
[0010] Preferably, one side of the workbench is fixed with a fixed box, a threaded rod is arranged in the fixed box, one end of the threaded rod is rotationally provided with a rotating disc penetrating through the fixed box, and a threaded block fixedly connected with the vertical plate is threadedly arranged on the threaded rod.
[0011] Preferably, a fixing rod is further arranged between the two vertical plates and located at one side of the connecting rod.
[0012] Preferably, the fixing rod is located at the same side of the connecting rod as the placing table is located at the same side of the clamping plate.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、the utility model discloses a distance between the clamping plate and the vertical surface of the placing table can be changed by pulling the clamping plate, so that the object can be placed between the clamping plate and the vertical surface of the placing table, and after the clamping plate is loosened, the clamping plate approaches the vertical surface of the placing table by the rebound force of the pressure spring, so that the object is clamped, at the same time, the pendulum moves along the clamping plate and the vertical surface of the placing table, guaranteeing that the force generated by the pendulum on the object acts on the vertical surface of the placing table, thereby guaranteeing the stability of the object, and further improving the efficiency of the secondary impact test.
[0015] 2、the utility model discloses that the threaded block is driven to move on the threaded rod by rotating the rotating disc, so that the vertical plate is driven to move, thereby the position of the pendulum falling can be changed, the impact test on different positions of the object can be carried out, the application range of the device is increased, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] The disclosure of the utility model will be described with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the structure schematic diagram of the clamping plate of the utility model;
[0019] Figure 3 It is the structure schematic diagram of the vertical plate of the utility model;
[0020] Figure 4 It is the structure schematic diagram of the rotating disc of the utility model.
[0021] The figure mark explanation: 1, workbench;2, vertical plate;3, pendulum;4, placing table;5, rotating disc;
[0022] 6, clamping plate;7, sliding rod;8, pressure spring;9, sliding block;10, T-shaped groove;11, T-shaped block;
[0023] 12, fixed box; 13, connecting rod; 14, fixed rod; 15, threaded rod; 16, threaded block. DETAILED DESCRIPTION
[0024] It is easy to understand that according to the technical scheme of the utility model, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the utility model, and should not be regarded as the whole of the utility model or as the limitation or restriction of the technical scheme of the utility model.
[0025] As shown in Figure 1 As shown in Figure 4 , the threaded rod 15 is rotatably provided with a rotating disc 5 penetrating through the fixed box 12 at one end, and the threaded rod 15 is threadedly provided with a threaded block 16, the connecting line between the two ends of the threaded block 16 is perpendicular to the connecting line between the two vertical plates 2, the threaded block 16 penetrates through the fixed box 12 and is slidably connected with the fixed box 12, the top of the threaded block 16 is fixedly connected with the bottom of the vertical plate 2, the threaded block 16 is moved on the threaded rod 15 by rotating the rotating disc 5 to drive the threaded rod 15 to rotate, the threaded block 16 is moved to drive the vertical plate 2 to move, and the stability of the vertical plate 2 in the movement process is improved by the T-shaped groove 10 and the T-shaped block 11.
[0026] The upper portions of the two vertical plates 2 are provided with the same connecting rod 13, the connecting rod 13 is rotatably provided with a pendulum 3 in the middle portion, the top of the workbench 1 is provided with an L-shaped placement table 4 at the middle position, the placement table 4 is provided with a sliding rod 7, as shown in Figure 2 , the sliding rod 7 is slidably provided with a sliding block 9, the sliding rod 7 is wound with a compression spring 8, one end of the compression spring 8 is fixed to the end portion of the sliding rod 7 and the other end is fixed to the end portion of the sliding block 9, the top of the sliding block 9 is fixed with a clamping plate 6 located on the top surface of the placement table 4 and facing the vertical surface of the placement table 4, the distance between the clamping plate 6 and the vertical surface of the placement table 4 is changed by pulling the clamping plate 6, so that the object is placed between the clamping plate 6 and the vertical surface of the placement table 4, the clamping plate 6 is close to the vertical surface of the placement table 4 by the resilience of the compression spring 8 after the clamping plate 6 is released, so as to clamp the object, thereby ensuring the stability of the object, and further improving the efficiency of the secondary impact test.
[0027] As shown in Figure 1As shown, the height of the clamping plate 6 is less than the height of the vertical surface of the placing table 4, and the height of the clamping plate 6 is not less than half of the height of the vertical surface of the placing table 4, so that the pendulum 3 can not only impact the upper part of the object, but also impact the front part of the object, thereby increasing the application range of the device.
[0028] As shown in the drawings, Figure 3 As shown, a fixed rod 14 is arranged between the two vertical plates 2 and located at one side of the connecting rod 13, and the fixed rod 14 is located at the same side of the connecting rod 13 and the side of the placing table 4 located at the side of the clamping plate 6, so that the pendulum 3 is placed through the fixed rod 14, thereby avoiding the influence of the pendulum 3 on the placement of the object, and at the same time, the fixed rod 14 ensures that the pendulum 3 moves from the clamping plate 6 to the vertical surface of the placing table 4, thereby ensuring the stable performance of the impact test.
[0029] The front and rear movement of the vertical plate 2 changes the falling position of the pendulum 3, so that the front and rear different positions of the object can be impacted, and at the same time, since there is no limiting structure on the left and right sides of the object, the left and right different positions of the object can also be impacted, thereby increasing the application range of the device.
[0030] The technical scope of the utility model is not limited to the above-mentioned content, and the above-mentioned embodiments can be variously deformed and modified by the person skilled in the art without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.
Claims
1. A secondary impact device for a mechanical impact testing machine, characterized by: The utility model provides a kind of pendulum type workbench, including workbench (1), the workbench (1) both sides are provided with vertical board (2), two The vertical board (2) upper portion is provided with same connecting rod (13), the connecting rod (13) middle part is rotatably provided with pendulum (3), the workbench (1) top middle position is provided with L-shaped placement table (4), the placement table (4) is provided with slide bar (7) inside, the slide bar (7) is slidably provided with sliding block (9), the slide bar (7) is wound with pressure spring (8), the pressure spring (8) one end is fixed in the end of slide bar (7) another end is fixed in the end of sliding block (9), the sliding block (9) top is fixed with the clamping plate (6) in the top surface of placement table (4) and with the vertical surface of placement table (4) is opposite.
2. The secondary impact device for a mechanical impact testing machine according to claim 1, characterized in that: The height of the clamping plate (6) is less than the height of the vertical surface of the placement table (4), and the height of the clamping plate (6) is not less than half the height of the vertical surface of the placement table (4).
3. The secondary impact device for a mechanical impact testing machine according to claim 2, characterized in that: The pendulum (3) rotates along the clamping plate (6) and the vertical surface of the placement table (4).
4. The secondary impact device for a mechanical impact testing machine of claim 1, wherein: The workbench (1) is provided with a T-shaped slot (10) on both sides, and the vertical board (2) is provided with a T-shaped block (11) on one side.
5. The secondary impact device for a mechanical impact testing machine according to claim 4, characterized in that: The workbench (1) is provided with a fixed box (12) on one side, and the fixed box (12) is provided with a threaded rod (15) inside.
6. The secondary impact device for a mechanical impact testing machine of claim 1, wherein: The threaded rod (15) is rotatably provided with a rotating disc (5) penetrating through the fixed box (12) on one end, and the threaded rod (15) is provided with a threaded block (16) fixedly connected with the vertical board (2) on the threaded surface.
7. The secondary impact device for a mechanical impact testing machine according to claim 6, characterized in that: The fixed rod (14) is located on the same side of the connecting rod (13) and the placement table (4) on the side of the clamping plate (6).