A double-station drop hammer impact test device

Abstract

A double-station drop hammer impact test device, a mobile frame is fixedly arranged on the guide bearing, a first electromagnet is arranged on the lower side of the mobile frame, a transmission block is arranged below the first electromagnet, a first hammer is arranged below the transmission block, a vertical guide tube is arranged on the lower side of the top beam, a sample fixture seat is arranged on the bottom plate, a mounting plate is arranged on the sample fixture seat, a second hammer is arranged on the mounting plate, a second electromagnet is arranged on the upper side of the second hammer, the second electromagnet is arranged below the guide tube, and a second motor is arranged on the top beam. The invention is easy to operate, combines two test devices for testing products with different properties into one, and uses station one and station two to test products with different properties respectively. The device has a compact structure, saves the occupied area of ​​laboratory equipment and the cost of the test device.

Description

Technical Field

[0001] The invention relates to the field of machinery, in particular to an impact test device, in particular to a double-station drop hammer impact test device. Background Art

[0002] In the prior art, the drop weight impact test of nylon joints and the drop weight impact test of nylon hoses have different test standards. Therefore, when performing the drop weight impact test, two different test devices are required to test the nylon joints and nylon hoses respectively. However, it is very troublesome to operate two test devices, and it occupies a large laboratory area and increases the cost of purchasing test equipment. Summary of the invention

[0003] The purpose of the present invention is to provide a double-station drop hammer impact test device, which is intended to solve the technical problem in the prior art that two different test devices are required to perform drop hammer impact tests on nylon joints and nylon hoses.

[0004] A double-station drop hammer impact test device of the present invention comprises a main support and an electric control box, the main support comprises a bottom plate and a top beam, two pillars are arranged between the bottom plate and the top beam, each pillar is provided with a guide bearing for sliding sleeve, an axial sliding pair is formed between the guide bearing and the pillar, a moving frame is fixedly arranged between the guide bearings, a lifting ring is arranged on the moving frame, a first motor is arranged on the top beam, a first pulley is arranged on the output shaft of the first motor, the first pulley is connected to the lifting ring through a first steel wire rope, a first electromagnet is arranged on the lower side of the moving frame, a transmission block is arranged below the first electromagnet, a first hammer head is arranged below the transmission block, a guide rod is arranged between the top beam and the bottom plate, the first hammer head, the transmission block and the first electromagnet are all sleeved on the guide rod,

[0005] A vertical conduit is arranged at the lower side of the top beam, the lower end of the conduit passes through the moving frame, a sample fixture seat is arranged at the bottom plate, a mounting plate is arranged on the sample fixture seat, a second hammer is arranged on the mounting plate, a second electromagnet is arranged on the upper side of the second hammer, the second electromagnet is arranged below the conduit, a second motor is arranged on the top beam, a second pulley is arranged on the output shaft of the second motor, a second steel wire rope is arranged in the conduit, the second pulley is connected to the second electromagnet through the second steel wire rope, the inner diameter of the conduit is larger than the outer diameters of the second electromagnet and the second hammer,

[0006] An electrical control system is arranged in the electrical control box, and the first motor, the second motor, the first electromagnet and the second electromagnet are connected to the electrical control system through their input and output ends respectively.

[0007] Furthermore, a pull-rope displacement sensor is arranged on the lower side of the top beam, the pull rope of the pull-rope displacement sensor is connected to the movable frame, and a first displacement display is arranged on the electric control box.

[0008] Furthermore, the second motor is connected to a speed encoder via a coupling, and a second displacement display is provided on the electric control box.

[0009] Furthermore, the invention also includes a handheld remote controller for station one and a handheld remote controller for station two.

[0010] Compared with the prior art, the present invention has a positive and obvious effect. The dual-station drop hammer impact test device of the present invention is easy to operate, combines two test devices for testing products with different properties into one, and uses station one and station two to test products with different properties respectively. The device has a compact structure, saves laboratory equipment space and test device costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a double-station drop hammer impact test device of the present invention. DETAILED DESCRIPTION

[0012] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to the embodiments, and all similar structures and similar variations of the present invention should be included in the protection scope of the present invention. The use of directions such as up, down, front, back, left or right in the present invention is only to make the description more convenient and clear, and is not a limitation on the technical solution of the present invention.

[0013] Example 1

[0014] like Figure 1 As shown, a double-station drop hammer impact test device of the present invention comprises a main bracket and an electric control box 1, the main bracket comprises a bottom plate 2 and a top beam 3, two pillars 4 are arranged between the bottom plate 2 and the top beam 3, a guide bearing 5 is slidingly sleeved on each pillar 4, an axial sliding pair is formed between the guide bearing 5 and the pillar 4, a moving frame 6 is fixedly arranged between the guide bearings 5, a lifting ring 7 is arranged on the moving frame 6, a first motor 8 is arranged on the top beam 3, a first pulley 9 is arranged on the output shaft of the first motor 8, the first pulley 9 is connected to the lifting ring 7 through a first steel wire rope 10, a first electromagnet 12 is arranged on the lower side of the moving frame 6, a transmission block 13 is arranged below the first electromagnet 12, a first hammer head 14 is arranged below the transmission block 13, a guide rod 11 is arranged between the top beam 3 and the bottom plate 2, the first hammer head 14, the transmission block 13, and the first electromagnet 12 are all sleeved on the guide rod 11,

[0015] A vertical conduit 15 is provided at the lower side of the top beam 3, the lower end of the conduit 15 passes through the moving frame 6, a sample fixture seat 28 is provided on the bottom plate 2, a mounting plate 16 is provided on the sample fixture seat 28, a second hammer 17 is provided on the mounting plate 16, a second electromagnet 18 is provided on the upper side of the second hammer 17, the second electromagnet 18 is provided below the conduit 15, a second motor 19 is provided on the top beam 3, a second pulley 20 is provided on the output shaft of the second motor 19, a second steel wire rope is provided in the conduit 15, the second pulley 20 is connected to the second electromagnet 18 through the second steel wire rope, the inner diameter of the conduit 15 is larger than the outer diameters of the second electromagnet 18 and the second hammer 17,

[0016] The electric control box 1 is provided with an electric control system, and the first motor 8, the second motor 19, the first electromagnet 12, and the second electromagnet 18 are connected to the electric control system through their input and output terminals respectively.

[0017] Furthermore, a pull rope displacement sensor 23 is provided at the lower side of the top beam 3 , the pull rope of the pull rope displacement sensor 23 is connected to the moving frame 6 , and a first displacement display instrument 21 is provided on the electric control box 1 .

[0018] Furthermore, the second motor 19 is connected to a speed encoder 25 via a coupling 24 , and a second displacement display 22 is provided on the electric control box 1 .

[0019] Furthermore, it also includes a handheld remote controller 26 for workstation one and a handheld remote controller 27 for workstation two.

[0020] Specifically, the guide bearing 5, electromagnet, pulley, wire rope, rope displacement sensor 23, electric control box 1, displacement display, speed encoder 25, handheld remote control, etc. in this embodiment all adopt well-known solutions in the prior art, which are well understood by those skilled in the art and will not be described in detail here.

[0021] The pull rope displacement sensor 23 is used to measure the up and down movement distance of the moving frame 6 and display the value in the first displacement display instrument 21.

[0022] The start / stop, direction and speed of the first motor 8 and the second motor 19 can be controlled by the electrical control system.

[0023] The lifting distance of the second electromagnet 18 is displayed on the second displacement display instrument 22 via the rotation speed encoder 25 .

[0024] The working principle of this embodiment:

[0025] 1. When it is necessary to test the nylon hose, place the part to be tested of the sample under the first hammer head 14, turn on the switch of the station 1 of the electric control box 1, adjust the speed adjustment knob on the electric control box 1, adjust the first motor 8 to a larger speed, press and hold the descending button of the station 1 handheld remote control 26, the first motor 8 drives the mobile frame 6 to quickly descend to a suitable height, then release the descending button, and then press the suction button of the station 1 handheld remote control 26 to make the transmission block 13 and the first electromagnet 12 suction.

[0026] Then, adjust the speed adjustment knob on the electric control box 1, adjust the first motor 8 to a lower speed, press and hold the down button of the station-one handheld remote control 26, slowly lower the transmission block 13, make the lower plane of the transmission block 13 contact the upper plane of the first hammer head 14, and release the button.

[0027] Next, press the zero button on the electric control box 1 so that the first displacement display 21 displays "0". Then, adjust the speed adjustment knob on the electric control box 1 to adjust the first motor 8 to a larger speed. Press and hold the up button on the workstation handheld remote control 26. The mobile frame 6 rises quickly. When it reaches the predetermined height, adjust the speed adjustment knob to a smaller speed, slowly rise to the predetermined height, and release the up button.

[0028] Finally, the release button of the handheld remote controller 26 of the workstation is pressed to cut off the power supply of the first electromagnet 12, and the transmission block 13 performs free fall motion and hits the first hammer head 14 to test the sample to be tested.

[0029] 2. When the nylon joint needs to be tested, fix the sample to be tested on the mounting plate 16, turn on the switch of the second station of the electric control box 1, adjust the speed adjustment knob on the electric control box 1, adjust the second motor 19 to a larger speed, press and hold the descending button of the handheld remote control 27 of the second station, quickly descend to a suitable height and release the button, then press the suction button of the handheld remote control 27 of the second station, and the second hammer head 17 and the second electromagnet 18 are suctioned.

[0030] Then, adjust the speed adjustment knob on the electric control box 1 to adjust the second motor 19 to a lower speed, press and hold the down button of the handheld remote control 27 at station two, and after the lower end of the second hammer head 17 slowly descends and just contacts the tested part of the sample to be tested, release the button, and press the zero button on the electric control box 1 to make the second displacement display 22 display "0", then, adjust the speed adjustment knob on station two of the electric control box 1 to adjust the second motor 19 to a higher speed, press and hold the up button of the handheld remote control 27 at station two, and the second hammer head 17 rises rapidly. When it is about to reach the predetermined height, adjust the speed adjustment knob to a lower speed, and the second hammer head 17 slowly rises to the predetermined height, and release the button.

[0031] Finally, the release button of the second station handheld remote controller 27 is pressed, the second electromagnet 18 is powered off, and the second hammer head 17 falls freely and hits the sample to be tested for testing.

[0032] The double-station drop hammer impact test device of the present invention is easy to operate, combines two test devices for testing products with different properties into one, and uses station one and station two to test products with different properties respectively. The device has a compact structure, saves laboratory equipment occupation area and test device cost.

Claims

1. A double-station drop hammer impact test device, characterized in that: The invention comprises a main support and an electric control box (1), wherein the main support comprises a bottom plate (2) and a top beam (3), two pillars (4) are arranged between the bottom plate (2) and the top beam (3), each of the pillars (4) is provided with a guide bearing (5) on a sliding sleeve, an axial sliding pair is formed between the guide bearing (5) and the pillars (4), a moving frame (6) is fixedly arranged between the guide bearings (5), a lifting ring (7) is arranged on the moving frame (6), a first motor (8) is arranged on the top beam (3), and an output shaft of the first motor (8) is provided with a lifting ring (7) on the output shaft of the first motor (8) A first pulley (9) is provided, the first pulley (9) is connected to the lifting ring (7) through a first steel wire rope (10), a first electromagnet (12) is provided on the lower side of the movable frame (6), a transmission block (13) is provided below the first electromagnet (12), a first hammer (14) is provided below the transmission block (13), a guide rod (11) is provided between the top beam (3) and the bottom plate (2), the first hammer (14), the transmission block (13) and the first electromagnet (12) are all sleeved on the guide rod (11), and the A vertical guide tube (15) is arranged at the lower side of the top beam (3), the lower end of the guide tube (15) passes through the movable frame (6), a sample fixture seat (28) is arranged on the bottom plate (2), a mounting plate (16) is arranged on the sample fixture seat (28), a second hammer head (17) is arranged on the mounting plate (16), a second electromagnet (18) is arranged on the upper side of the second hammer head (17), the second electromagnet (18) is arranged below the guide tube (15), a second motor (19) is arranged on the top beam (3), and the second motor (19) ) is provided on the output shaft, a second pulley (20) is provided in the conduit (15), the second steel wire rope is provided in the conduit (15), the second pulley (20) is connected to the second electromagnet (18) through the second steel wire rope, the inner diameter of the conduit (15) is larger than the outer diameters of the second electromagnet (18) and the second hammer (17), an electrical control system is provided in the electrical control box (1), and the first motor (8), the second motor (19), the first electromagnet (12), and the second electromagnet (18) are respectively connected to the electrical control system through their input and output ends.

2. A double-station drop weight impact test device according to claim 1, characterized in that: A pull rope displacement sensor (23) is arranged on the lower side of the top beam (3); the pull rope of the pull rope displacement sensor (23) is connected to the moving frame (6); and a first displacement display instrument (21) is arranged on the electric control box (1).

3. A double-station drop weight impact test device according to claim 1, characterized in that: The second motor (19) is connected to a rotation speed encoder (25) via a coupling (24), and a second displacement display (22) is provided on the electric control box (1).

4. A double-station drop weight impact test device according to claim 1, characterized in that: It also includes a handheld remote controller (26) for workstation one and a handheld remote controller (27) for workstation two.

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