Friction coefficient testing device for thread fastening analysis system

Abstract

The utility model relates to a friction coefficient testing device for a thread fastening analysis system, which comprises a base frame, and a servo power system, a dynamic torque sensor, a driving sleeve, a sliding seat, a testing fastener, a thread fastening composite sensor and a guide rail assembly which are arranged on the base frame, the dynamic torque sensor is installed between the driving sleeve and the servo power system, the test fastener and the thread fastening composite sensor are installed on a sliding seat, and the sliding seat is arranged on the base frame in a sliding mode through a guide rail assembly; a test fastener is installed in the thread fastening composite sensor and sleeved with the drive sleeve, tightening torque is applied to a bolt through a tightening drive system of equipment, meanwhile, pre-tightening axial force is synchronously generated, and synchronous comparison and test are conducted through a load value displayed by the dynamic torque sensor and the thread fastening composite sensor.

Description

TECHNICAL FIELD

[0001] The utility model relates to thread fastening analysis system friction coefficient test application technical field especially thread fastening analysis system friction coefficient test device. BACKGROUND

[0002] In the thread fastening analysis friction system test of fastener, general equipment is difficult to realize test of two systems of thread fastening analysis and friction system test simultaneously, and often needs two separate equipment to do different test, and two kinds of test are tested separately, which brings different data and inaccuracy of data, and then a device capable of simultaneously testing two kinds of data once clamping is needed, and the thread fastening analysis system friction coefficient test device can well solve this technical application demand. UTILITY MODEL CONTENT

[0003] In view of the deficiency of prior art, the utility model aims at providing thread fastening analysis system friction coefficient test device, which is composed of base frame, servo power system, dynamic torque sensor, driving sleeve, test fastener, thread fastening composite sensor and guide rail assembly, and effectively solves the technical application demand of thread fastening analysis system friction coefficient test.

[0004] The above utility model of the utility model is realized through the following technical schemes:

[0005] Thread fastening analysis system friction coefficient test device, including base frame and servo power system, dynamic torque sensor, driving sleeve, sliding seat, test fastener, thread fastening composite sensor and guide rail assembly installed on the base frame, the servo power system is connected with the driving sleeve transmission, the dynamic torque sensor is installed between the driving sleeve and the servo power system, the test fastener and the thread fastening composite sensor are installed on the sliding seat, and the sliding seat is slidably arranged on the base frame through the guide rail assembly;

[0006] Install the test fastener in the thread fastening composite sensor, put the test fastener on the driving sleeve, apply tightening torque to the bolt through the tightening driving system of the equipment itself, simultaneously generate pre-tightening axial force, and compare and test the load value displayed by the dynamic torque sensor and the thread fastening composite sensor synchronously.

[0007] As a further technical scheme of the utility model, the base frame is provided with a workbench panel, the workbench panel is fixedly provided with a mounting plate, a back plate and a tail plate, a test cavity is formed between the mounting plate, the back plate, the tail plate and the workbench panel, and the back plate is rotatably connected with a protective cover.

[0008] As a further technical scheme of the utility model: the servo power system includes servo motor, speed reducer, shaft coupling and drive head, the servo motor is connected with the speed reducer transmission, the speed reducer is fixed on the mounting plate, the shaft coupling is installed on the output shaft of the speed reducer, the drive head is fixed on the shaft coupling, the dynamic torque sensor is installed on the drive head, the drive sleeve is installed on the side of the dynamic torque sensor away from the drive head and is connected with the drive head.

[0009] As a further technical scheme of the utility model: the lower portion of the dynamic torque sensor is provided with a sensor anti-rotation mechanism.

[0010] As a further technical scheme of the utility model: the sensor anti-rotation mechanism includes sensor anti-rotation mounting seat, sensor fixed support seat, sensor fixed support rod and sensor support block, the bottom of the dynamic torque sensor is provided with a limiting groove for embedding the sensor support block, the sensor anti-rotation mounting seat is detachably fixed on the workbench panel, the sensor fixed support seat is fixed on the sensor anti-rotation mounting seat, one end of the sensor fixed support rod is fixed on the sensor fixed support seat, and the other end is fixedly connected with the bottom surface of the sensor support block.

[0011] As a further technical scheme of the utility model: the workbench panel is fixed with a profile rail, and the sensor anti-rotation mounting seat is detachably fixed on the profile rail through bolts.

[0012] As a further technical scheme of the utility model: the guide rail assembly includes two guide rails and sliders respectively slidingly arranged on the two guide rails, the two guide rails are fixed on the workbench panel and arranged in parallel with each other, and the two sliders are respectively fixed on the two sides of the bottom surface of the sliding seat.

[0013] In summary, the utility model includes at least one of the following beneficial technical effects:

[0014] The utility model discloses a screw fastening analysis system friction coefficient testing device, which adopts a screw fastening composite sensor to directly test a testing fastener, applies a pre-tightening axial force through a self-tightening driving system, solves the mode that the traditional testing fastener sensor needs to be disassembled and carried to other screw testing equipment for testing, effectively avoids the security risks and inaccurate problems caused by disassembly and repeated installation, and effectively solves the technical application requirement of screw fastening analysis system friction coefficient testing. ACCURACY

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 For Figure 1 Partial enlarged view of part A in the middle.

[0017] Reference: 1, base frame; 11, workbench panel; 111, profile guide rail; 12, mounting plate; 13, back plate; 14, tail plate; 15, protective cover; 2, servo power system; 21, servo motor; 22, speed reducer; 23, coupling; 24, driving head; 3, dynamic torque sensor; 4, driving sleeve; 5, sliding seat; 6, test fastener; 7, threaded fastening composite sensor; 8, guide rail assembly; 81, guide rail; 82, sliding block; 9, sensor anti-rotation mechanism; 91, sensor anti-rotation mounting seat; 92, sensor fixing support seat; 93, sensor fixing support rod; 94, sensor support block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0021] Reference Figure 1The utility model discloses a friction coefficient testing device of threaded fastening analysis system, including base frame 1 and install on base frame 1 servo power system 2, dynamic torsion sensor 3, drive sleeve 4, sliding seat 5, test fastener 6, threaded fastening composite sensor 7 and guide rail assembly 8, servo power system 2 is connected with drive sleeve 4 transmission, and dynamic torsion sensor 3 is installed between drive sleeve 4 and servo power system 2, and test fastener 6 and threaded fastening composite sensor 7 are installed on sliding seat 5, and sliding seat 5 is slidably arranged on base frame 1 through guide rail assembly 8;

[0022] Install test fastener 6 in threaded fastening composite sensor 7, sleeve test fastener 6 by drive sleeve 4, through the tightening drive system of equipment itself, apply the tightening torque of bolt, and simultaneously synchronous generation preloading axial force, through the load value of dynamic torque sensor display and threaded fastening composite sensor 7 synchronous comparison and test, can test the arbitrary calibration point of different range, reach full range synchronous test, simple and direct operation, control is stable, and test is accurate, effectively solved the technical application demand of threaded fastening analysis system friction coefficient testing.

[0023] Preferably, adopt threaded fastening composite sensor 7, do not need to disassemble axial force sensor, directly test in threaded fastening composite sensor 7 in real time, simple and direct operation, accurate data. Preferably, adopt dynamic torsion sensor 3 and carry out data feedback monitoring, control servo power system 2 output required speed and power in setting value.

[0024] Base frame 1 is provided with workbench panel 11, and the workbench panel 11 is fixedly provided with a mounting plate 12, a back plate 13 and a tail plate 14. The mounting plate 12, the back plate 13, the tail plate 14 and the workbench panel 11 form a test cavity. The back plate 13 is rotatably connected with a protective cover 15.

[0025] The servo power system 2 comprises a servo motor 21, a speed reducer 22, a shaft coupling 23 and a drive head 24. The servo motor 21 is in transmission connection with the speed reducer 22. The speed reducer 22 is fixed on the mounting plate 12. The shaft coupling 23 is installed on the output shaft of the speed reducer 22. The drive head 24 is fixed on the shaft coupling 23. The dynamic torsion sensor 3 is installed on the drive head 24. The drive sleeve 4 is installed on the side of the dynamic torsion sensor 3 away from the drive head 24 and is connected with the drive head 24.

[0026] Reference Figure 2The sensor anti-rotation mechanism 9 is arranged below the dynamic torque sensor 3, wherein the sensor anti-rotation mechanism 9 comprises a sensor anti-rotation mounting seat 91, a sensor fixed support seat 92, a sensor fixed support rod 93 and a sensor support block 94, the bottom of the dynamic torque sensor 3 is provided with a limiting groove for embedding the sensor support block 94, the sensor anti-rotation mounting seat 91 is detachably fixed on the workbench panel 11, the sensor fixed support seat 92 is fixed on the sensor anti-rotation mounting seat 91, one end of the sensor fixed support rod 93 is fixed on the sensor fixed support seat 92, and the other end is fixedly connected with the bottom surface of the sensor support block 94.

[0027] The workbench panel 11 is fixed with a profile rail 111, and the sensor anti-rotation mounting seat 91 is detachably fixed on the profile rail 111 through bolts. The guide rail assembly 8 comprises two guide rails 81 and sliders 82 respectively slidingly arranged on the two guide rails 81, the two guide rails 81 are fixed on the workbench panel 11 and arranged in parallel with each other, and the two sliders 82 are respectively fixed on the two sides of the bottom surface of the sliding seat 5.

[0028] The embodiment of the utility model discloses a screw fastening analysis system friction coefficient testing arrangement, it has adopted screw fastening composite sensor 7 directly to test fastener 6, through the pre-tightening axial force of own tightening drive system, solve the traditional need to disassemble test fastener 6 sensor and carry to other screw testing equipment and test the mode, effectively avoid the security risk and the problem of inaccurate repeated installation caused by disassembly, effectively solve the technical application demand of screw fastening analysis system friction coefficient testing.

[0029] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A friction coefficient testing device for a threaded fastener analysis system, characterized by, The base frame (1) and the servo power system (2), the dynamic torque sensor (3), the drive sleeve (4), the sliding seat (5), the test fastener (6), the threaded fastening composite sensor (7) and the guide rail assembly (8) are installed on the base frame (1), the servo power system (2) is in transmission connection with the drive sleeve (4), the dynamic torque sensor (3) is installed between the drive sleeve (4) and the servo power system (2), the test fastener (6) and the threaded fastening composite sensor (7) are installed on the sliding seat (5), and the sliding seat (5) is slidably arranged on the base frame (1) through the guide rail assembly (8); The test fastener (6) is installed in the threaded fastening composite sensor (7), the test fastener (6) is sleeved on the drive sleeve (4), the tightening torque is applied to the bolt through the tightening drive system of the equipment itself, and the pre-tightening axial force is synchronously generated, and the load value displayed by the dynamic torque sensor (3) and the threaded fastening composite sensor (7) are synchronously compared and tested.

2. The threaded fastener analysis system friction coefficient testing apparatus of claim 1, wherein, The base frame (1) is provided with a workbench panel (11), the mounting plate (12), the back plate (13) and the tail plate (14) are fixed on the workbench panel (11), a test cavity is formed between the mounting plate (12), the back plate (13), the tail plate (14) and the workbench panel (11), and the back plate (13) is rotatably connected with the protective cover (15).

3. The threaded fastener analysis system friction coefficient testing apparatus of claim 2, wherein, The servo power system (2) comprises a servo motor (21), a speed reducer (22), a shaft coupling (23) and a drive head (24), the servo motor (21) is in transmission connection with the speed reducer (22), the speed reducer (22) is fixed on the mounting plate (12), the shaft coupling (23) is installed on the output shaft of the speed reducer (22), the drive head (24) is fixed on the shaft coupling (23), the dynamic torque sensor (3) is installed on the drive head (24), and the drive sleeve (4) is installed on the side, away from the drive head (24), of the dynamic torque sensor (3) and connected with the drive head (24).

4. The threaded fastener analysis system friction coefficient testing apparatus of claim 3, wherein, A sensor anti-rotation mechanism (9) is arranged below the dynamic torque sensor (3).

5. The threaded fastener analysis system friction coefficient testing apparatus of claim 4, wherein, The sensor anti-rotation mechanism (9) comprises a sensor anti-rotation mounting base (91), a sensor fixed support seat (92), a sensor fixed support rod (93) and a sensor support block (94), the bottom of the dynamic torque sensor (3) is provided with a limiting groove for embedding the sensor support block (94), the sensor anti-rotation mounting base (91) is detachably fixed on the workbench panel (11), the sensor fixed support seat (92) is fixed on the sensor anti-rotation mounting base (91), one end of the sensor fixed support rod (93) is fixed on the sensor fixed support seat (92), and the other end is fixedly connected with the bottom surface of the sensor support block (94).

6. The threaded fastener analysis system friction coefficient testing apparatus of claim 5, wherein, The workbench panel (11) is fixed with a profile guide rail (111), and the sensor anti-rotation mounting base (91) is detachably fixed on the profile guide rail (111) through bolts.

7. The threaded fastener analysis system friction coefficient testing apparatus of claim 2, wherein, The guide rail assembly (8) comprises two guide rails (81) and sliders (82) respectively slidingly arranged on the two guide rails (81), the two guide rails (81) are fixed on the workbench panel (11) and arranged in parallel with each other, and the two sliders (82) are fixed on two sides of the bottom surface of the sliding seat (5).

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