A sliding type simulated belt speed rotation impact test device

Abstract

The present invention relates to a sliding type simulated belt speed rotation impact test device, comprising: a swing arm sliding device, a relay control device, a rotation system, a lifting and braking system, a buffer device, a measuring system, a protective device and a main frame; the relay control device, the rotation system and the buffer device are located on the swing arm sliding device, the lifting and braking system is located on the main frame, the measuring system is located below the main frame, and the protective device is located on the side of the main frame; using the sliding type simulated belt speed rotation impact test device of the present invention, the rotation speed of the rotating wheel is adjusted by the rotation system, and the belt speed impact simulation experiment of the device is realized, which has high safety and simple operation, and realizes continuous impact detection and bidirectional belt speed rotation impact test.

Description

Technical Field

[0001] The invention relates to a belt speed rotation impact testing machine, in particular to a sliding type simulated belt speed rotation impact testing device. Background Art

[0002] Most current single-pendulum impact testing machines have a single degree of freedom and are incapable of performing rotational impact tests. During an impact test, the test specimen can only be tilted at a certain angle. The impact time calculated using this type of impact test is not instantaneous and has a certain time error. While conventional impact testing machines achieve the purpose of bidirectional pendulum impact on specimens, they require readjustment and installation before each impact test, increasing the testing workload and failing to measure bidirectional impact tests requiring speed. Therefore, it is necessary to develop an electromagnetically controlled rotational impact testing machine that is both material-efficient and capable of continuous use while meeting speed requirements. Summary of the Invention

[0003] The present invention is mainly intended to solve the shortcomings of previous impact testing machines and provide a sliding type simulated belt speed rotation impact testing device.

[0004] The present invention provides a sliding type simulated belt speed rotation impact test device, comprising: a swing arm sliding device, a relay control device, a rotation system, a lifting and braking system, a buffer device, a measuring system, a protective device and a main frame; the relay control device, the rotation system and the buffer device are located on the swing arm sliding device, the lifting and braking system is located on the main frame, the measuring system is located below the main frame, and the protective device is located on the side of the main frame.

[0005] Furthermore, the rocker arm sliding device includes: a rocker arm, a slide, a sliding rod, a roller, a rolling shaft, and a rolling bearing; a square hole is processed at the lower end of the rocker arm, and four special triangular irons are installed in the square hole to form the slide; the sliding rod is thick at the top and thin at the bottom, and four horizontally placed rolling shafts are installed inside; the rolling shafts are processed from 45 steel, and the rolling bearings are installed on the rolling shafts; the rollers are connected to the rolling shafts through the rolling bearings, and the rollers are processed from carbide steel; the rocker arm contacts the upper end of the sliding rod through the rollers and the slide, and continuously rolls with the rollers to realize the movement of the sliding rod in the rocker arm.

[0006] Furthermore, the relay control device includes: an electromagnet, a control line, an electromagnetic relay, a relay fixed shell, and a fixed iron sheet; the relay control device is installed on the rocker arm of the rocker arm sliding device, the electromagnet is made of soft iron, and its magnetism easily disappears after power is off, the relay fixed shell and the fixed iron sheet are made of 6061 aluminum alloy, and the control line is made of copper wire with good conductivity; the relay fixed shell is installed on the upper end surface of the rocker arm of the rocker arm sliding device by bolts, the electromagnetic relay is installed in the relay fixed shell, the relay fixed shell and the fixed iron sheet are connected by bolts, the electromagnet is installed at the lower end of the rocker arm of the rocker arm sliding device, and the electromagnet is connected to the electromagnetic relay through a control line.

[0007] Furthermore, the rotation system includes: a motor 1, a transmission device, a rotating shaft, a bearing seat 1, a speed sensor, an ACS automatic clutch, a rotating shaft, a rotating bearing, a rotating wheel, and a support frame; the rotation system is located at the tail end of the sliding rod of the rocker sliding device; the motor 1 is fixed to the sliding rod by bolts, the motor 1 is connected to the transmission device, the transmission device adopts a belt drive speed increase structure, and the transmission device is connected to the rotating shaft; the rotating shaft is connected to the bearing seat 1 through the rotating bearing, and the bearing seat 1 is directly fixed to the support frame by bolts; the right side of the rotating shaft is connected to the left side of the ACS automatic clutch; the right side of the ACS automatic clutch is connected to the rotating shaft, and the speed sensor is installed on the rotating shaft; The speed sensor detects the speed of the rotating shaft and controls the disengagement of the ACS automatic clutch according to the speed of the rotating shaft. The speed V required by the speed sensor is set in advance. When the speed of the rotating shaft does not reach the speed V set by the speed sensor, the ACS automatic clutch does not disengage and continues to transmit power to the rotating shaft, and the rotating shaft drives the rotating wheel to rotate at the required speed V. When the speed of the rotating shaft reaches the set speed V, the ACS automatic clutch disengages and no longer transmits power to the rotating shaft, and the rotating shaft continues to drive the rotating wheel to rotate at the speed V. The rotating shaft is mounted in the shaft hole at the lower end of the sliding rod of the rocker slide device through the rotating bearing, and the rotating shaft is connected to the rotating wheel.

[0008] Furthermore, the lifting brake system includes: an electric motor II, a reducer, a brake disc, a brake, a pendulum shaft, a bearing seat II, and a sleeve; the electric motor II is connected to the reducer, the reducer is connected to the brake disc through the pendulum shaft, and the brake controls the speed of the brake disc through friction; the electric motor II, the reducer, the bearing seat II, and the brake are all fixed to the main frame by bolts, the main frame is made of rectangular steel pipe, the base of the main frame is made of steel plate, the base of the main frame is fixed to the concrete foundation of the ground, the pendulum shaft is installed on the main frame through a fixed bearing seat II, the pendulum shaft is made of high-strength steel, and the surface of the pendulum shaft is connected to the pendulum rod of the pendulum rod sliding device through the sleeve and two flat keys distributed 180°.

[0009] Furthermore, the buffer device includes: a spring box and a triangle iron. The spring box is made of spring steel and is connected to the outer surface of the electromagnet of the relay control device and the triangle iron at the lower end of the sliding rod of the rocker sliding device.

[0010] Furthermore, the measurement system includes: a sample, a measuring disc, a deformation sensor and a measuring machine base. The sample is fixed to the upper surface of the measuring disc by a clamp. The measuring disc is located above the measuring machine base. There are six deformation sensors, four of which are evenly distributed at the bottom of the measuring disc, and the other two are installed at the end of the measuring disc. During the test, the rotating wheel impacts the sample, and the impact deformation is collected by the deformation sensor.

[0011] Furthermore, the protective device is made of steel wire mesh, and the protective device is connected to the steel plate and foundation of the main frame base.

[0012] The beneficial effects of implementing the sliding type simulated belt speed rotation impact test device of the present invention are:

[0013] (1) The sliding electromagnetically controlled rotary impact testing machine of the present invention is highly safe, easy to operate, and convenient for implementing bidirectional rotary impact tests; continuous impact detection is achieved through electromagnetic control.

[0014] (2) The rotation speed of the rotating wheel is adjusted through the rotation system to realize the belt speed impact simulation experiment of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural diagram of a sliding type simulated belt speed rotation impact test device of the present invention;

[0016] Figure 2 This is a front view of a sliding type simulated belt speed rotation impact test device of the present invention;

[0017] Figure 3 This is a structural diagram of a swing rod sliding device of a sliding type simulated belt speed rotation impact test device of the present invention;

[0018] Figure 4 This is a structural diagram of the rotation system of a sliding type simulated belt speed rotation impact test device of the present invention;

[0019] In the figure: 1-swing rod sliding device, 2-relay control device, 3-rotation system, 4-lifting brake system, 5-buffer device, 6-measuring system, 7-protective device, 8-main frame, 11-swing rod, 12-slide, 13-sliding rod, 14-roller, 15-rolling shaft, 16-rolling bearing, 21-electromagnet, 22-control line, 23-electromagnetic relay, 24-relay fixed shell, 25-fixed iron sheet, 31-motor I, 32-transmission device, 33-rotating shaft, 34-bearing seat I, 35-speed sensor, 36-ACS automatic clutch, 37-rotating shaft, 38-rotating bearing, 39-rotating wheel, 30-support frame, 41-motor II, 42-reducer, 43-brake disc, 44-brake, 45-swing shaft, 46-bearing seat II, 51-spring box, 52-triangle iron, 61-sample, 62-measuring disc. DETAILED DESCRIPTION

[0020] The invention will be further described below with reference to the accompanying drawings.

[0021] like Figure 1 、 2, 3, 4, a sliding type simulated belt speed rotation impact test device, comprising: a rocker sliding device 1, a relay control device 2, a rotation system 3, a lifting brake system 4, a buffer device 5, a measuring system 6, a protective device 7 and a main frame 8; the relay control device 2, the rotation system 3 and the buffer device 5 are located on the rocker sliding device 1, the lifting brake system 4 is located on the main frame 8, the measuring system 6 is located below the main frame 8, and the protective device 7 is located on the side of the main frame 8; the rocker sliding device 1 comprises: a rocker 11, a slide 12, a sliding rod 13, a roller 14, a rolling shaft 15, and a rolling bearing 16; the relay The control device 2 includes: an electromagnet 21, a control line 22, an electromagnetic relay 23, a relay fixed shell 24, and a fixed iron sheet 25; the rotation system 3 includes: an electric motor I31, a transmission device 32, a rotating shaft 33, a bearing seat I34, a speed sensor 35, an ACS automatic clutch 36, a rotating shaft 37, a rotating bearing 38, a rotating wheel 39, and a support frame 30; the lifting brake system 4 includes: an electric motor II41, a reducer 42, a brake disc 43, a brake 44, a swing shaft 45, a bearing seat II46, and a sleeve; the buffer device 5 includes: a spring box 51, a triangle iron 52, and the measuring system 6 includes: a sample 61, a measuring disc 62, a deformation sensor and a measuring machine base.

[0022] like Figure 1 、 2 , 3, and 4, a working method of a sliding type simulated belt speed rotation impact test device has the following specific steps: the motor II41 drives the reducer 42 to move, the reducer 42 transmits power to the swing shaft 45, and after the swing shaft 45 drives the swing rod 11 to the specified position, the brake 44 engages, and the swing rod sliding device 1 stops at the specified position; the motor II41 and the electromagnetic relay 23 are powered off, the brake 44 is released, and the sliding rod 13 falls freely with the swing rod 11. At this time, the electromagnet 21 has no suction force on the sliding rod 13, and the rotating wheel 39 at the lower end of the sliding rod 13 is at a specified position. The rotating wheel 39 rotates at a speed V, and impacts the sample 61. The buffer device 5 controls the height of the rebound when the rotating wheel 39 hits the sample 61 within a small range to avoid excessive rebound and affecting the experimental results. The sliding rod 13 moves upward due to the impact of the rotating wheel 39 at the lower end of the sliding rod 13 on the sample 61. In this way, the rotating wheel 39 completes an impact test as the pendulum rod 11 and the sliding rod 13 fall. At the moment when the rotating wheel 39 impacts the sample 61, the deformation sensor acquisition card in the measurement system 6 collects the impact deformation. After the impact is completed, the motor II41 is energized to continue the subsequent continuous impact test.

[0023] The scope of protection of the present invention is not limited to the above. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined by the claims.

Claims

1. A sliding type simulated belt speed rotation impact test device, characterized in that: The invention comprises a swing arm sliding device (1), a relay control device (2), a rotation system (3), a lifting and braking system (4), a buffer device (5), a measuring system (6), a protective device (7) and a main frame (8); the relay control device (2), the rotation system (3) and the buffer device (5) are located on the swing arm sliding device (1), the lifting and braking system (4) is located on the main frame (8), the measuring system (6) is located below the main frame (8), and the protective device (7) is located on the side of the main frame (8); The swing rod sliding device (1) comprises: a swing rod (11), a slideway (12), a sliding rod (13), a roller (14), a rolling shaft (15), and a rolling bearing (16); a square hole is processed at the lower end of the swing rod (11), and four special triangular irons are installed in the square hole to form the slideway (12); the sliding rod (13) is thick at the top and thin at the bottom, and four horizontally placed rolling shafts (15) are installed inside, the rolling shafts (15) are processed from 45 steel, and the rolling bearings (16) are installed on the rolling shafts (15); the roller (14) is connected to the rolling shaft (15) through the rolling bearings (16), and the roller (14) is processed from hard alloy steel. The swing rod (11) contacts the upper end of the sliding rod (13) through the roller (14) and the slideway (12), and continuously rolls with the roller (14), so that the sliding rod (13) moves in the swing rod (11); The relay control device (2) comprises: an electromagnet (21), a control line (22), an electromagnetic relay (23), a relay fixed shell (24), and a fixed iron sheet (25); the relay control device (2) is mounted on the rocker (11) of the rocker sliding device (1); the electromagnet (21) is made of soft iron, which easily loses its magnetism after power is turned off; the relay fixed shell (24) and the fixed iron sheet (25) are made of 6061 aluminum alloy; the control line (22) is made of high conductivity aluminum alloy. copper wire; the relay fixing housing (24) is mounted on the upper end surface of the swing rod (11) of the swing rod sliding device (1) by bolts, the electromagnetic relay (23) is mounted in the relay fixing housing (24), the relay fixing housing (24) and the fixed iron sheet (25) are connected by bolts, the electromagnet (21) is mounted on the lower end of the swing rod (11) of the swing rod sliding device (1), and the electromagnet (21) is connected to the electromagnetic relay (23) via a control line (22); The rotating system (3) includes: a motor I (31), a transmission device (32), a rotating shaft (33), a bearing seat I (34), a speed sensor (35), an ACS automatic clutch (36), a rotating shaft (37), a rotating bearing (38), a rotating wheel (39), and a support frame (30); the rotating system (3) is located at the tail end of the sliding rod (13) of the rocker sliding device (1); the motor I (31) is fixed to the sliding rod (13) by bolts, and the motor I (31) and the transmission device ( The transmission device (32) is connected to the rotating shaft (33), the transmission device (32) adopts a belt transmission speed increasing structure, the transmission device (32) is connected to the rotating shaft (33); the rotating shaft (33) is connected to the bearing seat I (34) through the rotating bearing (38), and the bearing seat I (34) is directly fixed to the support frame (30) by bolts; the right side of the rotating shaft (33) is connected to the left side of the ACS automatic clutch (36); the right side of the ACS automatic clutch (36) is connected to the rotating shaft (37), and the rotating shaft (37) is connected to the rotating shaft (37). ) is installed on the rotational speed sensor (35); the rotational speed sensor (35) detects the rotational speed of the rotating shaft (37), and controls the separation of the ACS automatic clutch (36) by the rotational speed of the rotating shaft (37). The rotational speed V required by the rotational speed sensor (35) is set in advance. When the rotational speed of the rotating shaft (37) does not reach the rotational speed V set by the rotational speed sensor (35), the ACS automatic clutch (36) does not separate and continues to transmit power to the rotating shaft (37). The rotating shaft (37) drives the The rotating wheel (39) rotates together at a required rotation speed V; when the rotation speed of the rotating shaft (37) reaches the set rotation speed V, the ACS automatic clutch (36) is disengaged and no longer transmits power to the rotating shaft (37), and the rotating shaft (37) continues to drive the rotating wheel (39) to rotate at the rotation speed V; the rotating shaft (37) is installed in the shaft hole at the lower end of the sliding rod (13) of the rocker sliding device (1) through the rotating bearing (38), and the rotating shaft (37) is connected to the rotating wheel (39); The lifting brake system (4) includes: a motor II (41), a speed reducer (42), a brake disc (43), a brake (44), a swing shaft (45), a bearing seat II (46), and a sleeve; the motor II (41) is connected to the speed reducer (42), the speed reducer (42) is connected to the brake disc (43) through the swing shaft (45), and the brake (44) controls the speed of the brake disc (43) through friction; the motor II (41), the speed reducer (42), the bearing seat II (46), the brake (44) ) are fixed to the main frame (8) by bolts, the main frame (8) is made of rectangular steel pipe, the base of the main frame (8) is made of steel plate, the base of the main frame (8) is fixed to the concrete foundation of the ground, the pendulum shaft (45) is installed on the main frame (8) through a fixed bearing seat II (46), the pendulum shaft (45) is made of high-strength steel, and the surface of the pendulum shaft (45) is connected to the pendulum rod (11) of the pendulum rod sliding device (1) through the sleeve and two flat keys distributed at 180 degrees.

2. The sliding type simulated belt speed rotation impact test device according to claim 1, characterized in that: The buffer device (5) comprises a spring box (51) and a triangular iron (52). The spring box (51) is made of spring steel. The spring box (51) is connected to the outer surface of the electromagnet (21) of the relay control device (2) and the triangular iron (52) at the lower end of the sliding rod (13) of the rocker sliding device (1).

3. The sliding type simulated belt speed rotation impact test device according to claim 2, characterized in that: The measuring system (6) includes: a specimen (61), a measuring disc (62), a deformation sensor and a measuring machine base. The specimen (61) is fixed to the upper surface of the measuring disc (62) by a clamp. The measuring disc (62) is located above the measuring machine base. There are six deformation sensors, four of which are evenly distributed at the bottom of the measuring disc (62) and the other two are installed at the end of the measuring disc (62). During the test, the rotating wheel (39) impacts the specimen (61), and the impact deformation is collected by the deformation sensor.

4. The sliding type simulated belt speed rotation impact test device according to claim 3, characterized in that: The protective device (7) is made of steel wire mesh, and the protective device (7) is connected to the steel plate and foundation of the base of the main frame (8).

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