High-speed impact testing machine

Abstract

The utility model relates to the technical field, and discloses a high-speed impact testing machine, which comprises a testing machine protection cover, a pendulum bob mechanism, a sample placing mechanism, a clamping mechanism and an operating device, the inner bottom end of the testing machine protection cover is fixedly connected with the bottom ends of the pendulum bob mechanism, the sample placing mechanism and the clamping mechanism; the inner top end of the testing machine protection cover is fixedly connected with the top end of the operation device, the testing machine protection cover comprises a side face cover shell and a base, the bottom end of the side face cover shell is fixedly connected with the top end of the base, the pendulum bob mechanism comprises a pendulum plate and a rotation control device, and the sample placing mechanism comprises a stand column and a sample placing table. The top end of the stand column is fixedly connected with the bottom end of the sample placing table, the clamping mechanism comprises a fixed seat and a clamping plate, the top end of the fixed seat is fixedly connected with the bottom end of the clamping plate, and by arranging the sample placing mechanism capable of adjusting the distance between the sample placing tables, more samples with different sizes and lengths can be placed, and the range of sample specification compatible objects can be widened.

Description

Technical Field

[0001] The utility model relates to the technical field of testing machines, and more specifically to a high-speed impact testing machine. Background Art

[0002] The high-speed impact testing machine is an important equipment for material mechanics testing, used to simulate high-speed impact transient events, such as car collisions, plane crashes, etc., to obtain the transient response characteristics of materials and their products. It combines a high-rigidity load frame and a servo-hydraulic system with extremely fast speed response, can achieve high-speed loading and precise control, and meet the testing requirements under various complex working conditions. The high-speed impact testing machine is widely used in fields such as automobiles, aerospace, electronics, machinery, etc., to evaluate the performance of materials, components, and products under high-speed impact, including toughness, impact resistance strength, failure mode, etc. Through testing, it can provide important basis for product design, material selection, and process improvement, and ensure the safety and reliability of products. The utility model describes a testing machine mainly used for measuring the impact toughness of non-metallic materials such as rigid plastics, reinforced nylon, fiberglass, ceramics, cast stone, electrical insulating materials, etc.

[0003] Deficiencies of the prior art: Some existing high-speed impact testing machines have certain limitations on the size, shape, etc. of the test samples, and the range of compatible sample specifications is relatively small. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high-speed impact testing machine to solve the problems existing in the above-mentioned background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-speed impact testing machine includes a testing machine protective cover, and also includes: a pendulum mechanism, a sample placement mechanism, a clamping mechanism, and an operating device. The inner bottom end of the testing machine protective cover is fixedly connected to the bottom ends of the pendulum mechanism, the sample placement mechanism, and the clamping mechanism, and the inner top end of the testing machine protective cover is fixedly connected to the top end of the operating device. The testing machine protective cover includes a side cover shell and a base, the bottom end of the side cover shell is fixedly connected to the top end of the base, and the side of the side cover shell is movably connected to the side of the protective door. The pendulum mechanism includes a pendulum disk and a rotation control device, the side of the pendulum disk is movably connected to the side of the rotation control device through a rotating shaft. The sample placement mechanism includes a column and a sample placement table, the top end of the column is fixedly connected to the bottom end of the sample placement table. The clamping mechanism includes a fixed seat and a clamping plate, the top end of the fixed seat is fixedly connected to the bottom end of the clamping plate.

[0006] Further, one end of the rotating shaft is fixedly connected to one end of the two-way pipe joint, the other end of the two-way pipe joint is fixedly connected to one end of the upper column, the other end of the upper column is movably connected to the inside of the lower column, the side of the lower column is fixedly connected to the inside of the fastening kit, the side of the fastening kit is fixedly connected to one end of the screw rod, and one end of the screw rod is fixedly connected to the side of the four-corner wrench.

[0007] Further, one end of the lower column is fixedly connected to the top end of the hammer head. The hammer head includes a hammer plate and a weight strip. The top end of the hammer plate is fixedly connected to the bottom end of the lower column, and the side of the hammer plate is fixedly connected to the side of the weight strip.

[0008] Further, a square groove is provided at the top end of the sample placing table. Both ends of the lead screw are fixedly connected to the inside of the sample placing table through fixing blocks. The side of the lead screw is in transmission connection with the side of the gear. The side of the gear is movably connected to the inside of the clamping block, and the side of the clamping block is movably connected to the side of the positioning frame.

[0009] Further, the bottom end of the fixed seat is fixedly connected to the top end of the base through screws. A threaded through hole is provided on the side of the clamping plate. A fastening rod is arranged inside the clamping plate, and one end of the fastening rod is fixedly connected to the inside of the vertical thread nut.

[0010] Further, the side of the operating device is electrically connected to one end of the rotation control device.

[0011] Technical effects and advantages of the present utility model:

[0012] 1. By providing a pendulum hammer mechanism with an adjustable swing arm length in the present utility model, one end of the upper column is fixedly connected to the two-way pipe through a rotating shaft, the other end of the upper column is movably connected to the inside of the lower column, the side of the lower column is fixedly connected to the inside of the fastening kit, the side of the fastening kit is fixedly connected to one end of the screw rod, and one end of the screw rod is fixedly connected to the side of the four-corner wrench. By turning the four-corner wrench, the height of the pendulum hammer can be adjusted, which is beneficial to accommodating sample placing or clamping mechanisms with different heights.

[0013] 2. By providing a sample placing mechanism with an adjustable distance between sample placing tables in the present utility model, more samples with different sizes and lengths can be placed, which is beneficial to broadening the range of compatible object specifications for samples.

[0014] 3. By providing a clamping mechanism in the present utility model, a threaded through hole is provided on the side of the clamping plate, a fastening rod is arranged inside the clamping plate, and one end of the fastening rod is fixedly connected to the inside of the vertical thread nut. By turning the vertical thread nut, the sample can be fixed by using the fastening rod, which is beneficial to clamping samples that are not easy to place and further broadens the compatible range of sample specifications. Description of the Drawings

[0015] Figure 1Schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 Schematic diagram of the pendulum mechanism of the present utility model;

[0017] Figure 3 Schematic diagram of the sample placing mechanism of the present utility model;

[0018] Figure 4 Schematic diagram of the clamping mechanism of the present utility model.

[0019] Reference numerals are: 1, test machine protective cover; 101, side cover; 102, base; 103, protective door; 2, pendulum mechanism; 201, pendulum plate; 202, rotation control device; 203, rotating shaft; 204, two-way pipe joint; 205, upper column; 206, lower column; 207, fastening kit; 208, screw; 2081, four-corner turning handle; 209, hammer head; 2091, hammer plate; 2092, plumb line; 3, sample placing mechanism; 301, column; 302, sample placing table; 303, lead screw; 304, fixing block; 305, gear; 306, clamping block; 307, positioning frame; 4, clamping mechanism; 401, fixed seat; 402, clamping plate; 403, screw; 404, fastening rod; 405, vertical thread nut; 5, operating device. Detailed implementation manners

[0020] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the drawings in the present utility model. In addition, the forms of each structure described in the following implementation manners are only examples. A high-speed impact test machine related to the present utility model is not limited to the structures described in the following implementation manners. All other implementation manners obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0021] Refer to Figures 1 to 4The utility model provides a high-speed impact testing machine, including a testing machine protective cover 1, and also including: a pendulum mechanism 2, a sample placement mechanism 3, a clamping mechanism 4, and an operating device 5. The inner bottom end of the testing machine protective cover 1 is fixedly connected to the bottom ends of the pendulum mechanism 2, the sample placement mechanism 3, and the clamping mechanism 4, and the inner top end of the testing machine protective cover 1 is fixedly connected to the top end of the operating device 5. The testing machine protective cover 1 includes a side cover 101 and a base 102. The bottom end of the side cover 101 is fixedly connected to the top end of the base 102, and the side of the side cover 101 is fixedly connected to the protective door 1. 03 is movably connected to the side. During the test, the protective door 103 must be closed to prevent sample fragments from being injured by the pendulum. The pendulum mechanism 2 includes a pendulum plate 201 and a rotation control device 202. The side of the pendulum plate 201 is movably connected to the side of the rotation control device 202 through a rotating shaft 203. The sample placement mechanism 3 includes a column 301 and a sample placement table 302. The top of the column 301 is fixedly connected to the bottom of the sample placement table 302. The clamping mechanism 4 includes a fixed seat 401 and a clamping plate 402. The top of the fixed seat 401 is fixedly connected to the bottom of the clamping plate 402.

[0022] Among them, one end of the rotating shaft 203 is fixedly connected to one end of the two-way pipe joint 204, the other end of the two-way pipe joint 204 is fixedly connected to one end of the upper column 205, the other end of the upper column 205 is movably connected to the inside of the lower column 206, the side of the lower column 206 is fixedly connected to the inside of the fastening kit 207, the side of the fastening kit 207 is fixedly connected to one end of the screw 208, and one end of the screw 208 is fixedly connected to the side of the four-corner twist handle 2081. Turn the four-corner twist handle 2081 to loosen the fastening kit 207, adjust the sleeve length of the upper column 205 and the lower column 206, and thereby adjust the length of the pendulum.

[0023] Among them, one end of the lower column 206 is fixedly connected to the top of the hammer head 209, and the hammer head 209 includes a hammer plate 2091 and a sinker bar 2092. The top of the hammer plate 2091 is fixedly connected to the bottom end of the lower column 206, and the side of the hammer plate 2091 is fixedly connected to the side of the sinker bar 2092. The weight of the hammer head 209 can be changed by replacing the sinker bar 2092.

[0024] Among them, a square groove is provided at the top of the sample placement table 302. The interior of the sample placement table 302 is fixedly connected to the two ends of the screw rod 303 through a fixed block 304. The side of the screw rod 303 is transmission-connected to the side of the gear 305. The side of the gear 305 is movably connected to the interior of the clamping block 306. The side of the clamping block 306 is movably connected to the side of the positioning frame 307. By turning the handle on the side of the gear 305, the gear 305 rotates, driving the screw rod 303 to rotate, and the sample placement table 302 moves forward or backward. In this way, the distance between the two sample placement tables 302 can be adjusted to meet different sample placement requirements.

[0025] Among them, the bottom end of the fixed seat 401 is fixedly connected to the top end of the base 102 through screws 403. A threaded through hole is provided on the side surface of the clamping plate 402. A fastening rod 404 is arranged inside the clamping plate 402. One end of the fastening rod 404 is fixedly connected to the inside of the vertical thread knob 405. Place the sample in the middle of the clamping plate 402 and twist the vertical thread knob 405 back and forth to adjust the tightness of the fastening rod 404, and achieve the purpose of fixing the sample by controlling the fastening rod 404.

[0026] Among them, the side surface of the operating device 5 is electrically connected to one end of the rotation control device 202. The lifting angle, impact speed, etc. of the rotation control device 202 can be controlled through the operation panel. At the same time, the user can observe the real-time data of the impact experiment.

[0027] The working principle of the present utility model: When the operating device 5 starts the equipment and sets the relevant parameters regarding the sample, place the sample on the sample placing table 302. A square groove is provided at the top end of the sample placing table 302. Both ends of the lead screw 303 are fixedly connected to the inside of the sample placing table 302 through fixing blocks 304. The side surface of the lead screw 303 is in transmission connection with the side surface of the gear 305. The side surface of the gear 305 is movably connected to the inside of the clamping block 306. The side surface of the clamping block 306 is movably connected to the side surface of the positioning frame 307. Turn the handle on the side surface of the gear 305, the gear 305 rotates, drives the lead screw 303 to rotate, and the sample placing table 302 moves forward or backward accordingly, so as to adjust the distance between the two sample placing tables 302 to meet the placement requirements of different samples. The side surface of the operating device 5 is electrically connected to one end of the rotation control device 202. The lifting angle, impact speed, etc. of the rotation control device 202 can be controlled through the operation panel. At the same time, the user can observe the real-time data of the impact experiment. When the sample needs to be clamped by the clamping mechanism 4, one end of the rotating shaft 203 is fixedly connected to one end of the two-way pipe joint 204. The other end of the two-way pipe joint 204 is fixedly connected to one end of the upper column 205. The other end of the upper column 205 is movably connected to the inside of the lower column 206. The side surface of the lower column 206 is fixedly connected to the inside of the fastening kit 207. The side surface of the fastening kit 207 is fixedly connected to one end of the screw 208. One end of the screw 208 is fixedly connected to the side surface of the four-corner knob 2081. Unscrew the four-corner knob 2081 to loosen the fastening kit 207, and adjust the sleeved length of the upper column 205 and the lower column 206, so as to adjust the length of the pendulum to adapt to the height of the clamping mechanism 4. Then place the sample in the middle of the clamping plate 402 and twist the vertical thread knob 405 back and forth to adjust the tightness of the fastening rod 404, and achieve the purpose of fixing the sample by controlling the fastening rod 404.

[0028] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-speed impact testing machine, comprising a testing machine protective cover (1), characterized in that, It further includes: A pendulum mechanism (2), a specimen placing mechanism (3), a clamping mechanism (4), and an operating device (5). The inner bottom end of the testing machine protective cover (1) is fixedly connected to the bottom ends of the pendulum mechanism (2), the specimen placing mechanism (3), and the clamping mechanism (4). The inner top end of the testing machine protective cover (1) is fixedly connected to the top end of the operating device (5). The testing machine protective cover (1) includes a side cover shell (101) and a base (102). The bottom end of the side cover shell (101) is fixedly connected to the top end of the base (102). The side of the side cover shell (101) is movably connected to the side of the protective door (103). The pendulum mechanism (2) includes a disc (201) and a rotation control device (202). The side of the disc (201) is movably connected to the side of the rotation control device (202) through a rotating shaft (203). The specimen placing mechanism (3) includes a column (301) and a specimen placing table (302). The top end of the column (301) is fixedly connected to the bottom end of the specimen placing table (302). The clamping mechanism (4) includes a fixed seat (401) and a clamping plate (402). The top end of the fixed seat (401) is fixedly connected to the bottom end of the clamping plate (402).

2. The high-speed impact testing machine according to claim 1, characterized in that: One end of the rotating shaft (203) is fixedly connected to one end of a two-way pipe joint (204). The other end of the two-way pipe joint (204) is fixedly connected to one end of an upper column (205). The other end of the upper column (205) is movably connected to the inside of a lower column (206). The side of the lower column (206) is fixedly connected to the inside of a fastening kit (207). The side of the fastening kit (207) is fixedly connected to one end of a screw rod (208). One end of the screw rod (208) is fixedly connected to the side of a four-corner turning handle (2081).

3. The high-speed impact testing machine according to claim 2, characterized in that: One end of the lower column (206) is fixedly connected to the top end of a hammer head (209). The hammer head (209) includes a hammer plate (2091) and a weight bar (2092). The top end of the hammer plate (2091) is fixedly connected to the bottom end of the lower column (206). The side of the hammer plate (2091) is fixedly connected to the side of the weight bar (2092).

4. The high-speed impact testing machine according to claim 1, wherein: A square groove is formed at the top end of the specimen placing table (302). The two ends of a lead screw (303) are fixedly connected to the inside of the specimen placing table (302) through a fixing block (304). The side of the lead screw (303) is in transmission connection with the side of a gear (305). The side of the gear (305) is movably connected to the inside of a clamping block (306). The side of the clamping block (306) is movably connected to the side of a positioning frame (307).

5. A high-speed impact testing machine according to claim 1, characterized in that: The bottom end of the fixed seat (401) is fixedly connected to the top end of the base (102) through a screw (403). A threaded through hole is formed in the side of the clamping plate (402). A fastening rod (404) is arranged inside the clamping plate (402). One end of the fastening rod (404) is fixedly connected to the inside of a vertical thread nut (405).

6. The high-speed impact testing machine according to claim 1, characterized in that: The side of the operating device (5) is electrically connected to one end of the rotation control device (202).

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