Eddy current retarder rotor static balance detection device

Abstract

The utility model discloses an eddy current retarder rotor static balance detection device, which comprises a first support frame arranged above a base, a sliding groove arranged at the upper end of the base, a second support frame arranged above the base, a sliding block arranged inside the sliding groove, and a first electric push rod arranged inside the sliding groove. The first telescopic cavity is formed in the first supporting frame and the second supporting frame, supporting plates are arranged above the first supporting frame and the second supporting frame, one ends of the supporting plates extend into the first telescopic cavity, and connecting bases are arranged above the supporting plates; according to the detection device, the distance between the two supporting structures can be adjusted, the height of the supporting structures can be adjusted, static balance detection can be conveniently carried out on eddy current retarder rotors with different lengths and diameters, and the rotor static balance detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of static balance detection, in particular to a static balance detection device for an eddy current retarder rotor. Background Art

[0002] The eddy current retarder is the main assembly of the eddy current retarder. The brake consists of a stator and a rotor. Several iron cores and coils form a stator group, which is installed between the two longitudinal beams of the car and between the car drive axle and the gearbox. It realizes contactless braking through the principle of electromagnetic induction, improving the safety, economy, environmental protection, stability and comfort of the vehicle. The rotating rotor is greatly affected by the material. Impact, corrosion, wear and coking will cause unbalanced faults in the rotor system of the machine. 70% of the vibration faults of rotating machinery come from the imbalance of the rotor system. Due to the existence of the original imbalance of the rotating parts, the vibration sometimes exceeds the standard allowable value after the machine is running, so it is necessary to perform static balance detection on the rotor.

[0003] The Chinese patent publication number is CN210774501U, and the authorization announcement date is June 16, 2020. A rotor static balance test tool includes a bottom plate, two frames, a seat bearing, a guide shaft, a positioning sleeve and a fixing plate. The tops of the two frames are respectively fixed with seat bearings by bolts and nuts; a guide shaft is provided through the circular center of the two seat bearings, and the guide shaft includes a balancing area, a fixing area and a positioning connection area. The guide shaft in the balancing area has a built-in glass tube, and a level bubble is provided inside the glass tube; the fixing area includes a fixing plate vertically welded to the guide shaft, and the positioning connection area includes a positioning sleeve and one end of the guide shaft matched therewith. Any seat bearing is connected with a positioning sleeve, and the circular center of the positioning sleeve coincides with the circular center of the seat bearing. The positioning sleeve is provided with a threaded groove, and the guide shaft is provided with a threaded boss, and the boss and the groove match each other. The utility model provides a static balance detection tool suitable for rotors with a diameter of less than 3 meters. The tool is convenient for disassembling the rotor and has high detection accuracy.

[0004] The existing detection device installs both ends of the eddy current retarder rotor on a supporting structure. The supporting structure is fixedly installed and cannot be adjusted. It is inconvenient to perform static balance detection on eddy current retarder rotors of different lengths and diameters, which reduces the static balance detection effect of the eddy current retarder rotor and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an eddy current retarder rotor static balance detection device to solve the problem proposed in the above background technology that the existing detection device is to install the two ends of the eddy current retarder rotor on a supporting structure, the supporting structure is fixedly installed, the supporting structure cannot be adjusted, it is inconvenient to perform static balance detection on eddy current retarder rotors of different lengths and diameters, the static balance detection effect of the eddy current retarder rotor is reduced, and the use requirements cannot be met.

[0006] To achieve the above object, the utility model provides the following technical solution: an eddy current retarder rotor static balance detection device, comprising a base, and also comprising:

[0007] A first support frame is arranged above the base, and the first support frame is fixedly connected to the base, a slide groove is arranged at the upper end of the base, a second support frame is arranged above the base, a slider is arranged inside the slide groove, and the slider is slidably connected to the base, the upper end of the slider is fixedly connected to the lower end of the second support frame, a first electric push rod is arranged inside the slide groove, the first electric push rod is provided with one side of the slider, and the first electric push rod is fixedly connected to the base and the slider;

[0008] A first telescopic cavity is arranged inside the first support frame and the second support frame, a support plate is arranged above the first support frame and the second support frame, one end of the support plate extends into the first telescopic cavity, and the support plate is slidably connected to the first support frame and the second support frame, a connecting seat is arranged above the support plate, and the connecting seat is fixedly connected to the support plate, and a connecting groove is arranged at the upper end of the connecting seat;

[0009] The second electric push rod is arranged inside the first telescopic cavity, and the second electric push rod is arranged below the support plate.

[0010] Preferably, rollers are arranged inside the connecting groove, three rollers are arranged, and the rollers are rotatably connected to the connecting seat, and the three rollers are equidistantly arranged inside the connecting groove.

[0011] Preferably, a pressure sensing component is disposed below one side of the connecting seat, and the pressure sensing component is connected to the supporting plate via screws, and the pressure sensing component is disposed flush with the upper end of the roller.

[0012] Preferably, a rolling groove is provided at the upper end of the base, two rolling grooves are provided, and the two rolling grooves are provided on both sides of the slide groove, and balls are provided at the lower ends of the first support frame and the second support frame, and the balls are provided on both sides of the slider, one end of the ball extends to the rolling groove, and the ball is rollingly connected to the base and the second support frame.

[0013] Preferably, a second telescopic cavity is provided at the lower end of the base, four second telescopic cavities are provided, and the four second telescopic cavities are provided at the four corners of the base, a fixed block is provided inside the four second telescopic cavities, and the fixed block is slidably connected to the base, an adjusting screw is provided above the base, and the adjusting screw is threadedly connected to the base, and one end of the adjusting screw is rotatably connected to the fixed block.

[0014] Preferably, a level bubble is provided above both ends of the base, two level bubbles are provided, and the level bubbles are connected to the base by screws.

[0015] Preferably, the lower end of the fixing block is provided with open slots, at least six open slots are provided, and the open slots are equidistantly arranged at the lower end of the fixing block.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model device is provided with a second support frame, a slide groove, a slider, a first electric push rod, a first telescopic cavity and a second electric push rod. The first electric push rod drives the slider to slide in the slide groove, moves the second support frame horizontally, changes the distance between the two support structures, and the second electric push rod drives the support plate to move up and down, changes the height of the support structure, and facilitates the static balance detection of eddy current retarder rotors of different lengths and diameters;

[0018] 2. The utility model device is provided with a roller and a pressure sensing component. The roller supports both ends of the eddy current retarder rotor and reduces the rotational resistance of the eddy current retarder rotor, thereby improving the static balance detection accuracy of the eddy current retarder rotor. The pressure sensing component contacts the lower end of the eddy current retarder rotor. The eddy current retarder rotor contacts the pressure sensing component to generate a pressure signal. Different parts of the eddy current retarder rotor rotate and contact the pressure sensing component to generate a pressure signal change. Static balance detection data is obtained according to the different pressure data measured.

[0019] 3. The utility model device is provided with a level bubble, an adjusting screw and a fixed block. The adjusting screw is rotated to drive the fixed block to rise and fall, thereby changing the height of the fixed block. The level bubble determines the horizontality of the two ends of the base, and the base is placed horizontally with the help of the fixed block. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a diagram showing the connection relationship between the second support frame, the base and the support plate of the utility model;

[0022] Figure 3 This is a diagram showing the connection relationship between the pressure sensing assembly and the support plate of the utility model;

[0023] Figure 4 This is a diagram showing the connection relationship between the fixing block and the base of the utility model.

[0024] In the figure: 1. base; 2. first support frame; 3. support plate; 4. connecting seat; 5. connecting groove; 6. roller; 7. pressure sensor component; 8. level bubble; 9. slide groove; 10. slider; 11. first electric push rod; 12. rolling groove; 13. adjusting screw; 14. fixing block; 15. first telescopic cavity; 16. second electric push rod; 17. ball; 18. second telescopic cavity; 19. opening groove; 20. second support frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4 The utility model provides an embodiment: an eddy current retarder rotor static balance detection device, including a base 1, and also including:

[0027] A first support frame 2 is arranged above the base 1, and the first support frame 2 is fixedly connected to the base 1, a slide groove 9 is arranged at the upper end of the base 1, a second support frame 20 is arranged above the base 1, a slider 10 is arranged inside the slide groove 9, and the slider 10 is slidably connected to the base 1, the upper end of the slider 10 is fixedly connected to the lower end of the second support frame 20, a first electric push rod 11 is arranged inside the slide groove 9, the first electric push rod 11 is provided with one side of the slider 10, and the first electric push rod 11 is fixedly connected to the base 1 and the slider 10;

[0028] A first telescopic cavity 15 is arranged inside the first support frame 2 and the second support frame 20. A support plate 3 is arranged above the first support frame 2 and the second support frame 20. One end of the support plate 3 extends to the inside of the first telescopic cavity 15. The support plate 3 is slidably connected to the first support frame 2 and the second support frame 20. A connecting seat 4 is arranged above the support plate 3. The connecting seat 4 is fixedly connected to the support plate 3. A connecting groove 5 is arranged at the upper end of the connecting seat 4.

[0029] The second electric push rod 16 is disposed inside the first telescopic cavity 15 , and the second electric push rod 16 is disposed below the support plate 3 .

[0030] During use: according to the length and size of the eddy current retarder rotor, the first electric push rod 11 is driven to drive the slider 10 to slide along the slide groove 9, the second support frame 20 is moved horizontally, the length between the two support structures is adjusted, the second electric push rod 16 is driven to drive the support plate 3 to move up and down, the height of the support structure is changed, the two ends of the eddy current retarder rotor are placed in the connecting groove 5 and connected to the connecting seat 4, the suspended eddy current retarder rotor is rotated, and the static balance detection of the eddy current retarder rotor is realized.

[0031] See also Figure 1 and Figure 3 A roller 6 is arranged inside the connecting groove 5. There are three rollers 6, and the rollers 6 are rotatably connected to the connecting seat 4. The three rollers 6 are equidistantly arranged inside the connecting groove 5. The rollers 6 can not only support the two ends of the eddy current retarder rotor, but also reduce the rotational resistance of the eddy current retarder rotor, thereby improving the static balance detection accuracy of the eddy current retarder rotor.

[0032] See also Figure 1 and Figure 3 A pressure sensing component 7 is provided below one side of the connecting seat 4, and the pressure sensing component 7 is connected to the supporting plate 3 by screws. The pressure sensing component 7 is provided flush with the upper end of the roller 6, and contacts the lower end of the eddy current retarder rotor through the pressure sensing component 7. The eddy current retarder rotor contacts the pressure sensing component 7 to generate a pressure signal. Different parts of the eddy current retarder rotor rotate and contact the pressure sensing component 7 to generate a pressure signal change, and static balance detection data is obtained according to the measured different pressure data.

[0033] See also Figure 1 and Figure 2 A rolling groove 12 is provided at the upper end of the base 1, and two rolling grooves 12 are provided, and the two rolling grooves 12 are arranged on both sides of the slide groove 9. The lower ends of the first support frame 2 and the second support frame 20 are provided with balls 17, and the balls 17 are arranged on both sides of the slider 10. One end of the ball 17 extends to the rolling groove 12, and the ball 17 is rollingly connected to the base 1 and the second support frame 20. The second support frame 20 is supported by the ball 17, and the movement resistance of the second support frame 20 is reduced, so that the second support frame 20 can be better moved horizontally.

[0034] See also Figure 1 and Figure 4A second telescopic cavity 18 is provided at the lower end of the base 1, and four second telescopic cavities 18 are provided, and the four second telescopic cavities 18 are arranged at the four corners of the base 1. A fixed block 14 is provided inside the four second telescopic cavities 18, and the fixed block 14 is slidably connected to the base 1. An adjusting screw 13 is provided above the base 1, and the adjusting screw 13 is threadedly connected to the base 1. One end of the adjusting screw 13 is rotatably connected to the fixed block 14, and the detection device is fixed by the fixed block 14. Rotating the adjusting screw 13 drives the fixed block 14 to rise and fall, changes the height of the fixed block 14, and places the base 1 horizontally, which indirectly ensures the static balance detection effect.

[0035] See also Figure 1 A level bubble 8 is provided above both ends of the base 1. Two level bubbles 8 are provided, and the level bubbles 8 are connected to the base 1 by screws. The level of the two ends of the base 1 is judged by the level bubble 8, which is convenient for adjusting the level of the detection device.

[0036] See also Figure 4 The lower end of the fixing block 14 is provided with an opening slot 19 , at least six opening slots 19 are provided, and the opening slots 19 are equidistantly arranged at the lower end of the fixing block 14 .

[0037] Working principle: Fix the detection device by the fixing block 14, rotate the adjusting screw 13 to drive the fixing block 14 to move up and down, change the height of the fixing block 14, use the level bubble 8 to judge the horizontality of the two ends of the base 1, place the base 1 horizontally, and drive the first electric push rod 11 to drive the slider 10 to slide along the slide groove 9 according to the length and size of the eddy current retarder rotor, move the second support frame 20 horizontally, adjust the length between the two support structures, drive the second electric push rod 16 to drive the support plate 3 to move up and down, change the height of the support structure, and adjust the rotor of the eddy current retarder. The two ends are placed in the connecting groove 5 and connected to the connecting seat 4, the roller 6 contacts the two ends of the eddy current retarder rotor to reduce the rotation resistance of the eddy current retarder rotor, and the suspended eddy current retarder rotor is rotated. The pressure sensing component 7 contacts the lower end of the eddy current retarder rotor, and the eddy current retarder rotor contacts the pressure sensing component 7 to generate a pressure signal. Different parts of the eddy current retarder rotor rotate and contact the pressure sensing component 7 to generate a pressure signal change. The static balance detection data is obtained according to the measured different pressure data to realize the static balance detection of the eddy current retarder rotor.

[0038] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A static balance detection device for an eddy current retarder rotor, comprising a base (1), characterized in that: Also includes: A first support frame (2) is arranged above the base (1), and the first support frame (2) is fixedly connected to the base (1); a slide groove (9) is arranged at the upper end of the base (1); a second support frame (20) is arranged above the base (1); a slider (10) is arranged inside the slide groove (9), and the slider (10) is slidably connected to the base (1); the upper end of the slider (10) is fixedly connected to the lower end of the second support frame (20); a first electric push rod (11) is arranged inside the slide groove (9), and the first electric push rod (11) is provided with one side of the slider (10); the first electric push rod (11) is fixedly connected to the base (1) and the slider (10); A first telescopic cavity (15) is arranged inside the first support frame (2) and the second support frame (20); a support plate (3) is arranged above the first support frame (2) and the second support frame (20); one end of the support plate (3) extends to the inside of the first telescopic cavity (15); the support plate (3) is slidably connected to the first support frame (2) and the second support frame (20); a connecting seat (4) is arranged above the support plate (3); the connecting seat (4) is fixedly connected to the support plate (3); and a connecting groove (5) is arranged at the upper end of the connecting seat (4); A second electric push rod (16) is arranged inside the first telescopic cavity (15), and the second electric push rod (16) is arranged below the support plate (3).

2. The eddy current retarder rotor static balance detection device according to claim 1, characterized in that: A roller (6) is arranged inside the connection groove (5), three rollers (6) are arranged, and the rollers (6) are rotatably connected to the connection seat (4), and the three rollers (6) are equidistantly arranged inside the connection groove (5).

3. The eddy current retarder rotor static balance detection device according to claim 1, characterized in that: A pressure sensing assembly (7) is arranged below one side of the connecting seat (4), and the pressure sensing assembly (7) is connected to the supporting plate (3) via screws. The pressure sensing assembly (7) is arranged flush with the upper end of the roller (6).

4. The eddy current retarder rotor static balance detection device according to claim 1, characterized in that: The upper end of the base (1) is provided with a rolling groove (12), two rolling grooves (12) are provided, and the two rolling grooves (12) are arranged on both sides of the slide groove (9), and the lower ends of the first support frame (2) and the second support frame (20) are provided with balls (17), and the balls (17) are arranged on both sides of the slider (10), one end of the ball (17) extends to the rolling groove (12), and the ball (17) is rollingly connected to the base (1) and the second support frame (20).

5. The eddy current retarder rotor static balance detection device according to claim 1, characterized in that: A second telescopic cavity (18) is arranged at the lower end of the base (1), and four second telescopic cavities (18) are arranged, and the four second telescopic cavities (18) are arranged at the four corners of the base (1). A fixed block (14) is arranged inside the four second telescopic cavities (18), and the fixed block (14) is slidably connected to the base (1). An adjusting screw (13) is arranged above the base (1), and the adjusting screw (13) is threadedly connected to the base (1), and one end of the adjusting screw (13) is rotatably connected to the fixed block (14).

6. The eddy current retarder rotor static balance detection device according to claim 1, characterized in that: A level bubble (8) is provided above both ends of the base (1), two level bubbles (8) are provided, and the level bubbles (8) are connected to the base (1) by screws.

7. The eddy current retarder rotor static balance detection device according to claim 5, characterized in that: The lower end of the fixed block (14) is provided with an open slot (19), at least six open slots (19) are provided, and the open slots (19) are equidistantly arranged at the lower end of the fixed block (14).

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