Drop hammer type impact test device

Abstract

The invention discloses a drop hammer type impact test device, which comprises a base, a frame, a hoisting mechanism, a track mechanism, a first track transfer mechanism, a second track transfer mechanism and a storage mechanism, and is characterized in that the frame is arranged at the upper end of the base, and the track mechanism is arranged between the frame and the base; the rail mechanism comprises a first slide way and a second slide way, the top end of the first slide way is provided with a hoisting mechanism matched with a drop hammer body, and the bottom end of the second slide way is provided with the storage mechanism matched with a sample; a first rail transfer mechanism matched with the first sliding way and the second sliding way is arranged on the upper portion of the rail mechanism, and a second rail transfer mechanism matched with the first sliding way and the second sliding way is arranged on the lower portion of the rail mechanism. The drop hammer type impact test device is ingenious in design and practical in function, and the problem that in an existing drop hammer type impact test device, falling and lifting of a drop hammer body commonly share one channel, and the continuous test efficiency is affected is effectively solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of drop hammer test mechanism, in particular to a drop hammer impact test device. BACKGROUND

[0002] Impact strength or impact toughness is one of the important mechanical properties of materials, which is used to measure the impact resistance and toughness of materials. The current commonly used methods for testing the impact strength of materials include pendulum impact test and drop hammer impact test. Drop hammer impact test is a method for testing the impact load capacity of a sample by dropping a drop hammer from a certain height to impact the sample and testing various mechanical parameters of the sample.

[0003] In the existing drop hammer impact test device, the drop and lifting of the drop hammer body usually share one channel, so that in order to ensure the safety of the experimenters, the lifting of the drop hammer body for the next test is usually not performed when observing the results of the first test, which affects the efficiency of subsequent tests. Therefore, how to develop a new type of drop hammer impact test device has become a problem to be solved by the technical personnel in the field. SUMMARY

[0004] The purpose of the present application is to provide a drop hammer impact test device to solve the problem of the existing drop hammer impact test device that the drop and lifting of the drop hammer body usually share one channel, which affects the efficiency of continuous tests.

[0005] To solve the above technical problems, the present application adopts the following technical solutions:

[0006] The drop hammer impact test device of the present application comprises a base, a frame, a lifting mechanism, a track mechanism, a first track changing mechanism, a second track changing mechanism and a placing mechanism. The upper end of the base is provided with a frame, and the frame and the base are provided with the track mechanism. The track mechanism comprises a first slide and a second slide. The top end of the first slide is provided with a lifting mechanism matched with the drop hammer body, and the bottom end of the second slide is provided with a placing mechanism matched with the sample. The upper part of the track mechanism is provided with a first track changing mechanism matched with the first slide and the second slide, and the lower part of the track mechanism is provided with a second track changing mechanism matched with the first slide and the second slide.

[0007] Further, the track mechanism comprises a first slide rail, a second slide rail and a third slide rail. The first slide rail and the second slide rail enclose the first slide, and the second slide rail and the third slide rail enclose the second slide. The inside of the first slide and the second slide is provided with a sliding groove matched with the drop hammer body.

[0008] Further, a first opening is formed on the rear end face of the first slide, which cooperates with the drop hammer body and the first rail changing mechanism; a third opening is formed on the rear end face of the second slide, which cooperates with the drop hammer body and the first rail changing mechanism; a second opening is formed on the rear end face of the first slide, which cooperates with the drop hammer body and the second rail changing mechanism; and a fourth opening is formed on the rear end face of the second slide, which cooperates with the drop hammer body and the second rail changing mechanism.

[0009] Further, the frame is fixedly arranged on the base, the frame comprises a vertical rod and a cross beam, the cross beam is fixedly arranged on the base through the vertical rod, and the rail mechanism is fixedly arranged between the cross beam and the vertical rod; the lifting mechanism comprises a winch, a steel wire rope, an electromagnetic sling and a guide wheel, the winch is fixedly arranged on the base, the winch is connected with the electromagnetic sling in the first slide through the steel wire rope, and the cross beam is provided with the guide wheel which cooperates with the steel wire rope.

[0010] Further, the drop hammer body comprises a hammer head, guide vanes and an adsorption block, the bottom end of the drop hammer body is provided with the hammer head, the left and right sides of the drop hammer body are provided with the guide vanes which cooperate with the rail mechanism, and the top end of the drop hammer body is provided with the adsorption block which cooperates with the lifting mechanism and the rail changing mechanism; the top edge of the hammer head is fixedly provided with a lifting plate.

[0011] Further, the first rail changing mechanism comprises a mounting plate, a fourth slide rail and a third slide, the middle part of the mounting plate is hingedly provided with a swing arm, the long hole in the swing arm is provided with a sliding head which cooperates with the third slide, the sliding head is hingedly provided with a sliding strip, the fourth slide rail is provided with a sliding block which can slide transversely, and the sliding block is provided with a fourth slide which is longitudinal and cooperates with the sliding strip; the end of the sliding strip is provided with an electromagnetic suction head which cooperates with the side wall of the adsorption block on the drop hammer body; and the swing arm is driven by the first motor on the mounting plate.

[0012] Further, the second rail changing mechanism has the same structure as the first rail changing mechanism; and the outer sides of the first rail changing mechanism and the second rail changing mechanism are provided with protective covers.

[0013] Further, the upper part of the base is provided with a mounting cavity which cooperates with the storage mechanism, and the storage mechanism is located directly below the second slide.

[0014] Further, the placing mechanism comprises a first horizontal plate, a second horizontal plate and a third horizontal plate, the first horizontal plate is fixedly arranged above the third horizontal plate through an optical axis, a placing table matched with a test sample is fixedly arranged on the upper end surface of the first horizontal plate, a lead screw is rotatably arranged between the first horizontal plate and the third horizontal plate, the second horizontal plate is slidably arranged between the first horizontal plate and the third horizontal plate, the second horizontal plate is threadedly matched with the lead screw, the second horizontal plate is slidably matched with the optical axis, lifting frames matched with lifting plates on the drop hammer body are arranged on the front and rear sides of the placing table, and the lifting frames are fixedly connected with the second horizontal plate after penetrating through the first horizontal plate downwards.

[0015] Further, vertical plates are fixedly arranged on the left and right sides of the placing table, clamping mechanisms matched with the test sample are arranged on the vertical plates through air cylinders, and a second motor matched with the lead screw is arranged at the bottom end of the third horizontal plate.

[0016] Compared with the prior art, the beneficial technical effects of the present application are as follows:

[0017] The drop hammer type impact test device of the present application realizes independent operation of the lifting process and the falling process of the drop hammer body through the first slide for lifting the drop hammer body and the second slide for falling the drop hammer body, effectively improving the working efficiency of the device; the first slide and the second slide of the drop hammer type impact test device of the present application share the second slide rail, saving the manufacturing cost. In general, the drop hammer type impact test device of the present application is ingenious in design, practical in function, and effectively solves the problem that the falling and lifting of the drop hammer body in the existing drop hammer type impact test device usually share a channel, affecting the continuous test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings:

[0019] Figure 1 It is a front view of the drop hammer type impact test device of the present application;

[0020] Figure 2 It is a rear view of the drop hammer type impact test device of the present application;

[0021] Figure 3 It is a rear view of the drop hammer type impact test device of the present application (not including the rail changing mechanism);

[0022] Figure 4 It is Figure 2 It is a cross-sectional view of the rail changing mechanism (not at the opening);

[0023] Figure 5 It is Figure 2 It is a cross-sectional view of the rail changing mechanism (at the opening);

[0024] Figure 6 It is a front view of the placing mechanism;

[0025] Figure 7 is a top view of the placing mechanism;

[0026] Figure 8 is a front view of the drop hammer body.

[0027] Explanation of reference numerals: 1, base; 101, mounting cavity; 2, frame; 201, vertical rod; 202, cross beam; 3, hoisting mechanism; 301, winch; 302, steel wire rope; 303, electromagnetic sling; 304, guide wheel; 4, track mechanism; 401, first sliding rail; 402, second sliding rail; 403, third sliding rail; 404, sliding groove; 405, first sliding way; 406, second sliding way; 407, first opening; 408, second opening; 409, third opening; 410, fourth opening; 5, first track changing mechanism; 501, mounting plate; 502, fourth sliding rail; 503, third sliding way; 504, first motor; 505, swing arm; 506, sliding block; 507, sliding bar; 508, fourth sliding way; 509, electromagnetic suction head; 510, protective cover; 6, second track changing mechanism; 7, placing mechanism; 701, placing table; 702, vertical plate; 703, air cylinder; 704, clamping mechanism; 705, lifting frame; 706, first cross plate; 707, second cross plate; 708, third cross plate; 709, optical axis; 710, lead screw; 711, second motor; 8, drop hammer body; 801, hammer head; 802, guide vane; 803, lifting plate; 804, adsorption block. DETAILED DESCRIPTION

[0028] As shown in Figures 1 to 8 , a drop hammer impact test device, comprising a base 1, a frame 2, a hoisting mechanism 3, a track mechanism 4, a first track changing mechanism 5, a second track changing mechanism 6 and a placing mechanism 7.

[0029] The upper end of the base 1 is provided with the frame 2. The frame 2 and the base 1 are provided with the track mechanism 4. Specifically, the frame 2 is fixedly arranged on the base 1, the frame 2 comprises a vertical rod 201 and a cross beam 202, the cross beam 202 is fixedly arranged on the base 1 through the vertical rod 201, and the track mechanism 4 is fixedly arranged between the cross beam 202 and the vertical rod 201.

[0030] The track mechanism 4 comprises a first slide 405 and a second slide 406, the top end of the first slide 405 is provided with a lifting mechanism 3 matched with the drop hammer body 8, and the bottom end of the second slide 406 is provided with the placing mechanism 7 matched with the sample. The track mechanism 4 comprises a first slide rail 401, a second slide rail 402 and a third slide rail 403, the first slide rail 401 and the second slide rail 402 enclose the first slide 405, and the second slide rail 402 and the third slide rail 403 enclose the second slide 406.

[0031] The first slide 405 and the second slide 406 are internally provided with a sliding groove 404 matched with the drop hammer body 8. The sliding groove 404 is matched with the guide vane 802 on the drop hammer body 8.

[0032] The upper part of the track mechanism 4 is provided with a first track changing mechanism 5 matched with the first slide 405 and the second slide 406, and the lower part of the track mechanism 4 is provided with a second track changing mechanism 6 matched with the first slide 405 and the second slide 406.

[0033] Specifically, the rear end face of the first slide 405 is provided with a first opening 407 matched with the drop hammer body 8 and the first track changing mechanism 5, and the rear end face of the second slide 406 is provided with a third opening 409 matched with the drop hammer body 8 and the first track changing mechanism 5; the rear end face of the first slide 405 is provided with a second opening 408 matched with the drop hammer body 8 and the second track changing mechanism 6, and the rear end face of the second slide 406 is provided with a fourth opening 410 matched with the drop hammer body 8 and the second track changing mechanism 6. The opening structure can enable the guide vane 802 of the drop hammer body 8 to enter and exit from the sliding groove 404 on the first slide 405 and the second slide 406.

[0034] The first track changing mechanism 5 comprises a mounting plate 501, a fourth slide rail 502 and a third slide 503, the middle part of the mounting plate 501 is hingedly provided with a swing arm 505, the long hole of the swing arm 505 is provided with a sliding head matched with the third slide 503, the sliding head is hingedly provided with a sliding strip 507, the fourth slide rail 502 is provided with a sliding block 506 capable of sliding transversely, and the sliding block 506 is provided with a longitudinal fourth slide 508 matched with the sliding strip 507; the end of the sliding strip 507 is provided with an electromagnetic suction head 509 matched with the side wall of the adsorption block 804 on the drop hammer body 8. The swing arm 505 is driven by a first motor 504 on the mounting plate 501. The swing arm 505 can drive the electromagnetic suction head 509 to make circular motion under the action of the fourth slide rail 502 and the third slide 503, so as to realize the conveying of the drop hammer body 8 from the first slide 405 to the second slide 406.

[0035] The second rail changing mechanism 6 is identical in structure to the first rail changing mechanism 5; the outer side of the first rail changing mechanism 5 and the second rail changing mechanism 6 is provided with a protective cover 510.

[0036] The lifting mechanism 3 comprises a winch 301, a steel wire rope 302, an electromagnetic hoist 303 and a guide wheel 304; the winch 301 is fixedly arranged on the base 1; the winch 301 is connected with the electromagnetic hoist 303 in the first slide 405 through the steel wire rope 302; the guide wheel 304 cooperating with the steel wire rope 302 is arranged on the cross beam 202. The electromagnetic hoist 303 cooperates with the upper surface of the adsorption block 804 at the top end of the drop hammer body 8.

[0037] The drop hammer body 8 comprises a hammer head 801, a guide vane 802 and an adsorption block 804; the bottom end of the drop hammer body 8 is provided with the hammer head 801; the left and right sides of the drop hammer body 8 are provided with the guide vanes 802 cooperating with the rail mechanism 4; the top end of the drop hammer body 8 is provided with the adsorption block 804 cooperating with the lifting mechanism 3 and the rail changing mechanism; the top edge of the hammer head 801 is fixedly provided with a lifting plate 803.

[0038] The upper side of the base 1 is provided with a mounting cavity 101 cooperating with the placing mechanism 7; the placing mechanism 7 is located directly below the second slide 406.

[0039] The placing mechanism 7 comprises a first horizontal plate 706, a second horizontal plate 707 and a third horizontal plate 708; the first horizontal plate 706 is fixedly arranged above the third horizontal plate 708 through an optical shaft 709; the upper end surface of the first horizontal plate 706 is fixedly provided with a placing table 701 cooperating with a sample; a lead screw 710 is rotatably arranged between the first horizontal plate 706 and the third horizontal plate 708; the second horizontal plate 707 is slidably arranged between the first horizontal plate 706 and the third horizontal plate 708; the second horizontal plate 707 threadedly cooperates with the lead screw 710; the second horizontal plate 707 slidably cooperates with the optical shaft 709; the front and rear sides of the placing table 701 are provided with lifting frames 705 cooperating with the lifting plates 803 on the drop hammer body 8; the lifting frames 705 pass through the first horizontal plate 706 downwardly and are fixedly connected with the second horizontal plate 707.

[0040] The lifting frames 705 can make the drop hammer body 8 after completing the test to rise to the fourth opening 410, so as to facilitate cooperation with the second rail changing mechanism 6.

[0041] The left and right sides of the placing table 701 are fixedly provided with vertical plates 702; the vertical plates 702 are provided with clamping mechanisms 704 cooperating with the samples through air cylinders 703; the bottom end of the third horizontal plate 708 is provided with a second motor 711 cooperating with the lead screw 710.

[0042] The working principle of the present application is as follows:

[0043] Firstly, the electromagnetic suction head 509 of the first track-changing mechanism 5 is located at the top end of the second slide 406 and is attracted to the falling hammer body 8;

[0044] Secondly, the electromagnetic suction head 509 of the first track-changing mechanism 5 releases the falling hammer body 8, which falls through the second slide 406 and hits the sample on the placement table 701 of the placement mechanism 7;

[0045] Thirdly, the lifting frame 705 on the placement mechanism 7 moves upwards and lifts the falling hammer body 8 through the lifting plate 803 to the fourth opening 410 of the second slide 406;

[0046] Fourthly, the electromagnetic suction head 509 of the second track-changing mechanism 6 is activated and transfers the falling hammer body 8 to the second opening 408 of the first slide 405;

[0047] Fifthly, the electromagnetic hoist 303 of the hoisting mechanism 3 in the first slide 405 is activated and lifts the falling hammer body 8 to the first opening 407 of the first slide 405;

[0048] Sixthly, the electromagnetic suction head 509 of the first track-changing mechanism 5 is activated, the electromagnetic hoist 303 releases the falling hammer body 8, and the electromagnetic suction head 509 of the first track-changing mechanism 5 transfers the falling hammer body 8 to the third opening 409 of the second slide 406 for another test.

[0049] Further, two falling hammer bodies 8 are allowed to exist in the track mechanism 4, the first falling hammer body 8 is in the falling step, and the other falling hammer body 8 is in the lifting step, and the two operations do not interfere with each other.

[0050] The above-described embodiments are only to describe the preferred modes of the present application and are not to limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A falling hammer impact testing device, characterized in that: The system includes a base (1), a frame (2), a lifting mechanism (3), a track mechanism (4), a first track-changing mechanism (5), a second track-changing mechanism (6), and a placement mechanism (7). The upper end of the base (1) is provided with a frame (2), and the track mechanism (4) is provided between the frame (2) and the base (1). The track mechanism (4) includes a first slide (405) and a second slide (406). The top end of the first slide (405) is provided with a lifting mechanism (3) that cooperates with the drop hammer body (8), and the bottom end of the second slide (406) is provided with the placement mechanism (7) that cooperates with the sample. The upper part of the track mechanism (4) is provided with a first track-changing mechanism (5) that cooperates with the first slide (405) and the second slide (406), and the lower part of the track mechanism (4) is provided with a second track-changing mechanism (6) that cooperates with the first slide (405) and the second slide (406).

2. The falling hammer impact testing device according to claim 1, characterized in that: The track mechanism (4) includes a first slide rail (401), a second slide rail (402) and a third slide rail (403). The first slide rail (401) and the second slide rail (402) form a first slide rail (405), and the second slide rail (402) and the third slide rail (403) form a second slide rail (406). The interior of the first slide rail (405) and the second slide rail (406) is provided with a groove (404) that cooperates with the drop hammer body (8).

3. The falling hammer impact testing device according to claim 4, characterized in that: The first slide rail (405) has a first opening (407) on its rear end face that cooperates with the drop hammer body (8) and the first track changing mechanism (5); the second slide rail (406) has a third opening (409) on its rear end face that cooperates with the drop hammer body (8) and the first track changing mechanism (5); the first slide rail (405) has a second opening (408) on its rear end face that cooperates with the drop hammer body (8) and the second track changing mechanism (6); and the second slide rail (406) has a fourth opening (410) on its rear end face that cooperates with the drop hammer body (8) and the second track changing mechanism (6).

4. The falling hammer impact testing device according to claim 1, characterized in that: The frame (2) is fixedly mounted on the base (1). The frame (2) includes a vertical pole (201) and a horizontal beam (202). The horizontal beam (202) is fixedly mounted on the base (1) via the vertical pole (201). The track mechanism (4) is fixedly mounted between the horizontal beam (202) and the vertical pole (201). The hoisting mechanism (3) includes a winch (301), a wire rope (302), an electromagnetic lifting device (303), and a guide wheel (304). The winch (301) is fixedly mounted on the base (1). The winch (301) is connected to the electromagnetic lifting device (303) in the first slide rail (405) via the wire rope (302). The horizontal beam (202) is provided with a guide wheel (304) that cooperates with the wire rope (302).

5. The falling hammer impact testing device according to claim 1, characterized in that: The drop hammer body (8) includes a hammer head (801), guide vanes (802) and an adsorption block (804). The hammer head (801) is provided at the bottom of the drop hammer body (8). Guide vanes (802) that cooperate with the track mechanism (4) are provided on the left and right sides of the drop hammer body (8). An adsorption block (804) that cooperates with the lifting mechanism (3) and the track changing mechanism is provided at the top of the drop hammer body (8). A lifting plate (803) is fixedly provided on the top edge of the hammer head (801).

6. The falling hammer impact testing device according to claim 1, characterized in that: The first track-changing mechanism (5) includes a mounting plate (501), a fourth slide rail (502), and a third slide rail (503). A swing arm (505) is hinged to the middle part of the mounting plate (501). A slide head that cooperates with the third slide rail (503) is provided in the elongated hole of the swing arm (505). A slide bar (507) is hinged to the slide head. A slider (506) that can slide laterally is provided on the fourth slide rail (502). A longitudinal fourth slide rail (508) that cooperates with the slide bar (507) is provided on the slider (506). An electromagnetic suction head (509) that cooperates with the side wall of the suction block (804) on the drop hammer body (8) is provided at the end of the slide bar (507). The swing arm (505) is driven by a first motor (504) on the mounting plate (501).

7. The falling hammer impact testing device according to claim 6, characterized in that: The second track-changing mechanism (6) has the same structure as the first track-changing mechanism (5); both the first track-changing mechanism (5) and the second track-changing mechanism (6) are provided with protective covers (510) on their outer sides.

8. The falling hammer impact testing device according to claim 1, characterized in that: The base (1) has an installation cavity (101) that cooperates with the placement mechanism (7), and the placement mechanism (7) is located directly below the second slide (406).

9. The falling hammer impact testing device according to claim 8, characterized in that: The placement mechanism (7) includes a first horizontal plate (706), a second horizontal plate (707), and a third horizontal plate (708). The first horizontal plate (706) is fixedly mounted above the third horizontal plate (708) via an optical axis (709). A placement platform (701) that mates with the sample is fixedly mounted on the upper surface of the first horizontal plate (706). A lead screw (710) is rotatably mounted between the first horizontal plate (706) and the third horizontal plate (708). The second horizontal plate (707) can slide up and down. The second horizontal plate (707) is dynamically set between the first horizontal plate (706) and the third horizontal plate (708). The second horizontal plate (707) is threadedly engaged with the lead screw (710) and slidably engaged with the optical axis (709). The front and rear sides of the placement platform (701) are provided with lifting frames (705) that cooperate with the lifting plate (803) on the drop hammer body (8). The lifting frame (705) passes downward through the first horizontal plate (706) and is fixedly connected to the second horizontal plate (707).

10. The falling hammer impact testing device according to claim 9, characterized in that: The left and right sides of the placement platform (701) are fixedly provided with upright plates (702), and the upright plates (702) are provided with clamping mechanisms (704) that cooperate with the sample through cylinders (703); the bottom end of the third horizontal plate (708) is provided with a second motor (711) that cooperates with the lead screw (710).

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