EPS power performance testing machine

Abstract

The EPS power-assist performance tester belongs to the field of precision testing equipment. It consists of: workpiece fixture mechanism, PLC electrical control box, simulated torque mechanism, rack, touch screen control panel and resistance simulation mechanism. The equipment adopts a universal connector, which can be quickly connected to the workpiece to be tested; the equipment uses a servo motor to apply torque to the workpiece, and is equipped with a torque sensor to make the applied torque more accurate; the equipment is equipped with a straightening clamp, and when conducting experiments, the clamp straightens the torque input mechanism to make the test data more accurate; the touch screen is used as the manual interface to simplify the operation while making the setting of the operation data more flexible, so that it can meet the test requirements of different products; the electrical control adopts PLC and touch screen for control, and uses servo motors and cylinders as power sources, which are responsible for all the operation instructions and implementation of the equipment.

Description

Technical Field

[0001] The EPS power-assisting performance tester effectively solves the EPS power-assisting performance test problem and belongs to the field of precision testing equipment. Background Art

[0002] There is no similar equipment in China at present. Based on this, we have developed an EPS power-assisting performance testing machine, which can apply different torques according to product selection to meet the needs of power-assisting performance experiments of many products. Summary of the invention

[0003] The present invention provides an EPS power-assisting performance tester. The device adopts a universal connector, which can be quickly connected to the workpiece to be tested; the device adopts a servo motor to apply torque to the workpiece, and is equipped with a torque sensor to make the applied torque more accurate; the device is equipped with a straightening clamp, and when conducting an experiment, the clamp straightens the torque input mechanism to make the detection data more accurate; the power source for simulating the up and down movement of the torque mechanism is also a servo motor, which can meet the needs of power-assisting performance experiments of products of different lengths.

[0004] The technical solution adopted by the EPS power-assisted performance testing machine is: it consists of a workpiece clamp mechanism 1, a PLC electrical control box 2, a simulated torque mechanism 3, a frame 4, a touch screen control panel 5 and a resistance simulation mechanism 6; the workpiece clamp mechanism 1 is connected to the frame 4 through a bolt group; the PLC electrical control box 2 is connected to the touch screen control panel 5 through a data bus; the resistance simulation mechanism 6 is connected to the frame 4 through a bolt group; the simulated torque mechanism 3 is connected to the frame 4 through a bolt group; the simulated torque mechanism 3 and the resistance simulation mechanism 6 are respectively connected to the touch screen control panel 5 and the PLC electrical control box 2 through data lines.

[0005] The electrical control is carried out by PLC and touch screen, with servo motor and cylinder as the power source, responsible for all the operation instructions and implementation of the equipment.

[0006] The gain effect of the present invention:

[0007] In terms of structure: the equipment adopts a universal connector, which is easy and convenient to connect with the tested product; the equipment is equipped with a straightening clamp, which straightens the torque head during the experiment to make the test data more accurate; the touch screen is used as the manual interface, which simplifies the operation and makes the setting of operation data more flexible, so that it can meet the test requirements of different products. The lower part of the equipment stand adopts frame welding to ensure the stability of the equipment during the tightening process. The upper part of the stand adopts a profile support structure, which is both beautiful and reduces the overall weight of the equipment.

[0008] In terms of control: torque sensors are used to accurately control the applied torque to ensure the reliability of the experiment; servo motors are used as the power source for simulating the up and down movement of the torque mechanism to meet the experimental requirements of products of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is the overall axonometric diagram of the present invention;

[0010] Figure 2 is an isometric view of the workpiece clamping mechanism of the present invention;

[0011] Figure 3 is an isometric view of the simulated torque mechanism of the present invention;

[0012] Figure 4 It is an isometric view of the resistance simulation mechanism of the present invention. DETAILED DESCRIPTION

[0013] Reference Figure 1 As shown, the EPS power-assisting performance test machine is composed of a workpiece fixture mechanism 1, a PLC electrical control box 2, a simulated torque mechanism 3, a frame 4, a touch screen control panel 5, and a resistance simulation mechanism 6. The workpiece fixture mechanism 1 is connected to the frame 4 through a bolt group; the PLC electrical control box 2 is connected to the touch screen control panel 5 through a data bus; the resistance simulation mechanism 6 is connected to the frame 4 through a bolt group; the simulated torque mechanism 3 is connected to the frame 4 through a bolt group; the simulated torque mechanism 3 and the resistance simulation mechanism 6 are respectively connected to the touch screen control panel 5 and the PLC electrical control box 2 through data lines.

[0014] Reference Figure 2 As shown, the fixture base plate 1-1 is connected to the frame by bolts; the quick-change base plate 1-2 is connected to the fixture base plate 1-1 by bolts; the workpiece positioning sleeve 1-4 is connected to the quick-change base plate 1-2 by bolts; the workpiece support block 1-3 is connected to the quick-change base plate 1-2 by bolts; the shell support column 1-5 is connected to the quick-change base plate 1-2 by bolts; the workpiece limit plate 1-6 is connected to the quick-change base plate 1-2 by bolts.

[0015] Reference Figure 3As shown, the support frame 3-1 is connected to the frame by bolts; the detection and adjustment slide rail 3-2 is connected to the support frame 3-1 by bolts; the detection and adjustment block 3-3 is connected to the detection and adjustment slide rail 3-2 by bolts; the workpiece detection frame 3-4 is connected to the detection and adjustment block 3-3 by bolts; the torque mechanism up and down moving guide rail 3-5 is connected to the support frame 3-1 by bolts; the torque mechanism up and down moving base plate 3-6 is connected to the torque mechanism up and down moving guide rail 3-5 by bolts; the torque servo motor 3-7 is connected to the torque servo mounting plate 3-8 by bolts; the torque mechanism up and down moving base plate 3-6 is connected to the torque servo mounting plate 3-8 by bolts; the torque servo motor 3-7 is connected to the torque servo synchronous pulley 3-9 by a key; the upper and lower servo mounting plate 3-11 is connected to the support frame 3-1 by bolts; the upper and lower servo motor 3-10 is connected to the upper and lower servo mounting plate 3-11 by bolts; the upper and lower servo motor 3-10 is connected to the upper and lower servo synchronous The pulley 3-12 is connected by a key; the screw synchronous pulley 3-13 is connected to the up and down walking screw 3-14 by a key; the upper and lower servo synchronous pulleys 3-12 are connected to the screw synchronous pulley 3-13 by a synchronous belt; the torque synchronous pulley 3-15 is connected to the torque servo synchronous pulley 3-9 by a synchronous belt; the torque synchronous pulley 3-15 is connected to the torque connecting rod 3-17 by bolts; the torque bearing chamber 3-16 is connected to the connecting bracket 3-18 by bolts; the connecting bracket 3-18 is connected to the up and down moving base plate 3-6 of the torque mechanism by bolts; the torque connecting rod 3-17 is connected to the torque sensor 3-19 by a coupling; the universal joint 3-21 is connected to the torque sensor 3-19 by a key; the straightening cylinder frame 3-20 is connected to the straightening cylinder 3-23 by bolts; the straightening cylinder frame 3-20 is connected to the up and down moving base plate 3-6 of the torque mechanism by bolts; the torque head 3-22 is connected to the universal joint 3-21 by bolts.

[0016] Reference Figure 4As shown, the connecting base 6-1 is connected to the frame by bolts; the adjusting guide rail 6-2 is connected to the connecting base 6-1 by bolts; the resistance bottom plate 6-3 is connected to the adjusting guide rail 6-2 by bolts; the sensor limit block 6-4 is connected to the resistance bottom plate 6-3 by bolts; the motor connecting plate 6-5 is connected to the resistance bottom plate 6-3 by bolts; the resistance head 6-6 is connected to the resistance connecting seat 6-10 by a key; the resistance connecting seat 6-10 is connected to the L-shaped bracket 6-11 by bolts; the L-shaped bracket 6-11 is connected to the resistance bottom plate 6-3 by bolts Connection; the lower torque sensor 6-12 is connected to the resistance connecting seat 6-10 through a coupling; the direction conversion seat 6-15 is connected to the lower torque sensor 6-12 through a coupling; the direction conversion seat 6-15 is connected to the motor connecting plate 6-5 through bolts; the resistance servo 6-14 is connected to the motor connecting plate 6-5 through bolts; the direction conversion seat 6-15 is connected to the resistance servo 6-14 through a synchronous belt; the cylinder seat 6-9 is connected to the L-shaped bracket 6-11 through bolts; the lower straightening cylinder 6-8 is connected to the cylinder seat 6-9 through bolts.

Claims

1.EPS power-assistance testing machine, characterized by: The EPS power-assisting performance testing machine is composed of a workpiece fixture mechanism (1), a PLC electrical control box (2), a simulated torque mechanism (3), a frame (4), a touch screen control panel (5), and a resistance simulation mechanism (6); the workpiece fixture mechanism (1) and the frame (4) are connected via a bolt group; the PLC electrical control box (2) and the touch screen control panel (5) are connected via a data bus; and the resistance simulation mechanism (6) and the frame (4) are connected via a bolt group; The simulated torque mechanism (3) is connected to the frame (4) via a bolt group; The simulated torque mechanism (3) and the resistance simulation mechanism (6) are respectively connected to the touch screen control panel (5) and the PLC electrical control box (2) through data cables; The fixture base plate (1-1) is connected to the frame via bolts; the quick-change base plate (1-2) is connected to the fixture base plate (1-1) via bolts; the workpiece positioning sleeve (1-4) is connected to the quick-change base plate (1-2) via bolts; the workpiece support block (1-3) is connected to the quick-change base plate (1-2) via bolts; the housing support column (1-5) is connected to the quick-change base plate (1-2) via bolts; and the workpiece limiting plate (1-6) is connected to the quick-change base plate (1-2) via bolts. The support frame (3-1) is connected to the frame by bolts; the detection adjustment slide rail (3-2) is connected to the support frame (3-1) by bolts; the detection adjustment block (3-3) is connected to the detection adjustment slide rail (3-2) by bolts; the workpiece detection frame (3-4) is connected to the detection adjustment block (3-3) by bolts; the torque mechanism up and down moving guide rail (3-5) is connected to the support frame (3-1) by bolts; the torque mechanism up and down moving base plate (3-6) is connected to the torque mechanism up and down moving guide rail (3-5) by bolts; the torque servo The motor (3-7) is connected to the torque servo mounting plate (3-8) by bolts; the torque mechanism upper and lower movable base plate (3-6) is connected to the torque servo mounting plate (3-8) by bolts; the torque servo motor (3-7) is connected to the torque servo synchronous pulley (3-9) by keys; the upper and lower servo mounting plates (3-11) are connected to the support frame (3-1) by bolts; the upper and lower servo motors (3-10) are connected to the upper and lower servo mounting plates (3-11) by bolts; the upper and lower servo motors (3-10) are connected to the upper and lower servo synchronous pulleys (3-12) is connected by a key; the screw synchronous pulley (3-13) is connected to the upper and lower walking screw (3-14) by a key; the upper and lower servo synchronous pulleys (3-12) are connected to the screw synchronous pulley (3-13) by a synchronous belt; the torque synchronous pulley (3-15) is connected to the torque servo synchronous pulley (3-9) by a synchronous belt; the torque synchronous pulley (3-15) is connected to the torque connecting rod (3-17) by bolts; the torque bearing chamber (3-16) is connected to the connecting bracket (3-18) by bolts; the connecting bracket (3-18) is connected to the up-and-down movable base plate (3-6) of the torque mechanism by bolts; the torque connecting rod (3-17) is connected to the torque sensor (3-19) by a coupling; the universal joint (3-21) is connected to the torque sensor (3-19) by a key; the straightening cylinder frame (3-20) is connected to the straightening cylinder (3-23) by bolts; the straightening cylinder frame (3-20) is connected to the up-and-down movable base plate (3-6) of the torque mechanism by bolts; the torque head (3-22) is connected to the universal joint (3-21) by bolts; The connecting base (6-1) is connected to the frame by bolts; the adjusting guide rail (6-2) is connected to the connecting base (6-1) by bolts; the resistance base plate (6-3) is connected to the adjusting guide rail (6-2) by bolts; the sensor limiting block (6-4) is connected to the resistance base plate (6-3) by bolts; the motor connecting plate (6-5) is connected to the resistance base plate (6-3) by bolts; the resistance head (6-6) is connected to the resistance connecting seat (6-10) by keys; the resistance connecting seat (6-10) is connected to the L-shaped bracket (6-11) by bolts; the L-shaped bracket (6-11) is connected to the resistance base plate (6-3) by bolts. connection; the lower torque sensor (6-12) is connected to the resistance connection seat (6-10) through a coupling; the direction conversion seat (6-15) is connected to the lower torque sensor (6-12) through a coupling; the direction conversion seat (6-15) is connected to the motor connection plate (6-5) through bolts; the resistance servo (6-14) is connected to the motor connection plate (6-5) through bolts; the direction conversion seat (6-15) is connected to the resistance servo (6-14) through a synchronous belt; the cylinder seat (6-9) is connected to the L-shaped bracket (6-11) through bolts; the lower straightening cylinder (6-8) is connected to the cylinder seat (6-9) through bolts.

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