Vibration detection device for steel ball plug of slewing bearing

Abstract

The utility model discloses a vibration detection device for a steel ball plug of a slewing bearing, and belongs to the technical field of slewing bearing detection. The device comprises a bottom plate and a rotating rod, the rotating rod is rotatably arranged in the middle of the bottom plate, a rotating plate is fixedly arranged at the upper end of the rotating rod, and a vibration detection sensor is arranged at the lower end of the rotating plate; fixed plates are arranged on the lower surface of the bottom plate, and movable plates are arranged on the sides, close to each other, of the two fixed plates; a fixed block is fixedly arranged on the upper surface of the bottom plate, balls are embedded in the upper surface of the fixed block in a rolling manner, and a slewing bearing is arranged on the upper sides of the two balls; supporting plates are fixedly arranged on the two sides of the lower surface of the bottom plate, and a second transmission mechanism for driving the slewing bearing to rotate is arranged between the two supporting plates. According to the utility model, the detection stations on the two sides are arranged, and the two stations alternately carry out detection work, that is, the detection work can be carried out while reloading is carried out, the time wasted by reloading can be reduced, and the detection efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slewing bearing detection, and more specifically to a vibration detection device for a slewing bearing steel ball plug. Background Art

[0002] The slewing bearing is mainly composed of an inner ring, rolling elements, and inner ring. It is a necessary transmission component for machinery that needs to make relative rotational motion between two objects and bear axial force, radial force, and tipping moment. It is widely used in engineering machinery, light industrial machinery, ship equipment, etc. If there are quality problems in the production or assembly of the slewing bearing, the vibration will increase under normal working conditions and it is very easy to be damaged.

[0003] Announcement No. CN108151872A discloses a slewing bearing vibration detection device, including: a detection slewing support is fixedly provided on a lifting platform, the detection slewing support includes a detection slewing support inner ring and a detection slewing support outer ring higher than the detection slewing support outer ring through hole corresponding to the detection slewing support, the detection slewing support outer ring is fixed on the lifting platform, the rotating table is fixed at the lower end of the rotating arm, the lower surface of the rotating table is provided with screw holes corresponding to the through holes of the outer ring of the slewing bearing to be detected, the rotating table is provided with a vibration sensor connected to a data acquisition unit, and there are still defects in this technical solution: only a single detection station is provided in this technical solution, so it is necessary to wait until the detection work is completed before changing the material, and the equipment cannot perform the detection work during the material changing process, so the material changing will waste a lot of time, reducing the efficiency of the detection work. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a vibration detection device for the plug of a slewing bearing steel ball. The utility model is provided with detection stations on both sides, and the two stations perform detection work alternately, that is, the detection work can be carried out while the material is changed, which can reduce the time wasted in changing the material and improve the detection efficiency.

[0006] 2. Technical solution

[0007] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:

[0008] The utility model discloses a vibration detection device for a slewing bearing steel ball plug, comprising a bottom plate and a rotating rod, wherein the rotating rod is rotatably arranged in the middle of the bottom plate, a rotating plate is fixedly arranged on the upper end of the rotating rod, a vertical rod is fixedly arranged on the lower surface of the other end of the rotating plate, and a vibration detection sensor is fixedly arranged on the lower end of the vertical rod;

[0009] A groove is provided in the middle of the lower surface of the bottom plate, strip-shaped openings are provided on the upper sides of both ends of the groove, a fixed plate is fixedly provided on the inner wall of one side of the strip-shaped opening, a movable plate is provided on the side close to the two fixed plates, and a first transmission mechanism for driving the movable plate to move and the rotating rod to rotate is provided on the inner side of the groove;

[0010] A fixed block is fixedly arranged on the upper surface of the bottom plate, balls are rotatably embedded on the upper surface of the fixed block, and a slewing bearing is arranged on the upper side of the two balls;

[0011] Support plates are fixedly arranged on both sides of the lower surface of the bottom plate, and a second transmission mechanism for driving the slewing bearing to rotate is arranged between the two support plates.

[0012] Furthermore, the first transmission mechanism comprises a slider and a reciprocating screw rod, a rack is fixedly arranged between the lower ends of the two movable plates, a gear is fixedly sleeved on the lower end of the rotating rod, and the gear is meshed and connected with the rack;

[0013] The slider is fixedly arranged at the middle end of the lower side of the rack, the reciprocating screw rod is sleeved inside the slider, and the two sides of the reciprocating screw rod are rotatably connected to the inner wall of the groove;

[0014] A mounting groove is provided on one side of the bottom plate, a first motor is fixedly arranged inside the mounting groove, and an output end of the first motor is connected to the reciprocating screw rod.

[0015] Furthermore, the second transmission mechanism comprises a worm wheel and a worm, a transmission rod is rotatably sleeved inside both ends of the bottom plate, a transmission wheel is fixedly sleeved on the upper end of the transmission rod, and the two transmission wheels are respectively against the corresponding slewing bearings;

[0016] The two worm wheels are respectively sleeved on the lower ends of the corresponding transmission rods, and the worm is meshed and arranged at the rear sides of the two worm wheels. Both ends of the worm are movably connected to the support plate. A second motor is fixedly arranged on the outer side of the support plate, and the output end of the second motor is connected to the worm.

[0017] Furthermore, the first motor is fixedly installed in the installation groove through a first support frame.

[0018] Furthermore, the second motor is fixedly mounted on the surface of the support plate via a second support frame.

[0019] Furthermore, both sides of the movable plate are in conflict with the inner wall of the strip-shaped opening.

[0020] Furthermore, the balls are wear-resistant steel balls.

[0021] Furthermore, a rubber pad is provided on one side of the fixed plate and the movable plate close to the slewing bearing.

[0022] Furthermore, the transmission wheel is a rubber wheel.

[0023] 3. Beneficial effects

[0024] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0025] The utility model drives the reciprocating screw rod to rotate by the first motor, so that the slide block moves, that is, it can drive the two movable plates to move, that is, it can limit the inner ring of the slewing bearing on one side while releasing the limit on the inner ring of the slewing bearing on the other side, that is, it can carry out detection work while changing materials, can reduce the time wasted in changing materials, and improve the detection efficiency.

[0026] The utility model drives the rack to move when the slider moves, and the rack drives the gear to rotate, which can drive the rotating rod to rotate, and can rotate the vibration detection sensor to the upper surface of the slewing bearing to be detected.

[0027] The utility model drives the worm to rotate by the second motor, and the worm drives two worm wheels to rotate, that is, it can drive two transmission rods to rotate, and the two transmission rods drive corresponding transmission wheels to rotate, that is, it can drive the outer ring of the slewing bearing to rotate, that is, the ball in the slewing bearing can be rotated relative to the vibration detection sensor, and the vibration detection can be performed on the slewing bearing steel ball plug.

[0028] The utility model is provided with detection stations on both sides, and the two stations perform detection work alternately, that is, the detection work can be carried out while the material is changed, which can reduce the time wasted in the material change and improve the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part A is enlarged;

[0031] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0032] Description of reference numerals:

[0033] 1. Bottom plate; 2. Rotating rod; 3. Rotating plate; 4. Vertical rod; 5. Vibration detection sensor; 6. Fixed plate; 7. Movable plate; 8. Rack; 9. Reciprocating screw; 10. First motor; 11. Gear; 12. Slider; 13. Fixed block; 14. Ball; 15. Transmission rod; 16. Transmission wheel; 17. Worm wheel; 18. Worm; 19. Support plate; 20. Second motor. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0035] Example 1

[0036] from Figure 1-3 It can be seen that a vibration detection device for a slewing bearing steel ball plug of this embodiment comprises a bottom plate 1 and a rotating rod 2, the rotating rod 2 is rotatably arranged in the middle of the bottom plate 1, a rotating plate 3 is fixedly arranged on the upper end of the rotating rod 2, a vertical rod 4 is fixedly arranged on the lower surface of the other end of the rotating plate 3, and a vibration detection sensor 5 is fixedly arranged on the lower end of the vertical rod 4;

[0037] A groove is provided in the middle of the lower surface of the bottom plate 1, and strip-shaped openings are provided on the upper sides of both ends of the groove. A fixed plate 6 is fixedly provided on the inner wall of one side of the strip-shaped opening, and a movable plate 7 is provided on the side close to the two fixed plates 6. A first transmission mechanism for driving the movable plate 7 to move and the rotating rod 2 to rotate is provided on the inner side of the groove;

[0038] A fixing block 13 is fixedly arranged on the upper surface of the bottom plate 1, and balls 14 are rotatably embedded on the upper surface of the fixing block 13, and a slewing bearing is arranged on the upper side of the two balls 14;

[0039] Support plates 19 are fixedly arranged on both sides of the lower surface of the bottom plate 1 , and a second transmission mechanism for driving the slewing bearing to rotate is arranged between the two support plates 19 .

[0040] Example 2

[0041] The first transmission mechanism includes a slider 12 and a reciprocating screw 9. A rack 8 is fixedly arranged between the lower ends of the two movable plates 7. A gear 11 is fixedly sleeved at the lower end of the rotating rod 2. The gear 11 is meshed and connected with the rack 8.

[0042] The slider 12 is fixedly arranged at the middle end of the lower side of the rack 8, the reciprocating screw rod 9 is sleeved inside the slider 12, and the two sides of the reciprocating screw rod 9 are rotatably connected to the inner wall of the groove;

[0043] A mounting groove is provided on one side of the base plate 1, and a first motor 10 is fixedly installed inside the mounting groove. The output end of the first motor 10 is connected to the reciprocating screw rod 9, and the first motor 10 is fixedly installed in the mounting groove by a first support frame to ensure that it is firmly installed.

[0044] Example 3

[0045] The second transmission mechanism includes a worm wheel 17 and a worm 18. Transmission rods 15 are rotatably sleeved inside both ends of the bottom plate 1. A transmission wheel 16 is fixedly sleeved on the upper end of the transmission rod 15. The two transmission wheels 16 are respectively against the corresponding slewing bearings.

[0046] The transmission wheel 16 is a rubber wheel to prevent damage to the outer ring of the slewing bearing;

[0047] The two worm wheels 17 are respectively sleeved on the lower ends of the corresponding transmission rods 15, and the worm 18 is meshedly arranged on the rear sides of the two worm wheels 17. Both ends of the worm 18 are movably connected to the support plate 19. A second motor 20 is fixedly arranged on the outer side of the support plate 19, and the output end of the second motor 20 is connected to the worm 18.

[0048] The second motor 20 is fixedly mounted on the surface of the support plate 19 through the second support frame, so that the second motor 20 is more firmly connected to the support plate 19.

[0049] Both sides of the movable plate 7 are in contact with the inner wall of the strip-shaped opening, so that the movable plate 7 cannot rotate but can slide stably.

[0050] The ball bearing 14 is made of wear-resistant steel ball to increase the service life of the ball bearing 14 .

[0051] The fixed plate 6 and the movable plate 7 are both provided with rubber pads on one side close to the slewing bearing to prevent damage to the slewing bearing as much as possible.

[0052] When in use, the power supply of the first motor 10 is turned on, and the first motor 10 drives the reciprocating screw rod 9 to rotate, so that the slider 12 can be moved, that is, the two movable plates 7 can be driven to move, that is, the inner ring of the slewing bearing on one side can be limited while the limit of the inner ring of the slewing bearing on the other side can be released, that is, the detection work can be carried out while the material is changed, which can reduce the time wasted in changing the material and improve the detection efficiency;

[0053] When the slider 12 moves, it will drive the rack 8 to move, and the rack 8 will drive the gear 11 to rotate, which can drive the rotating rod 2 to rotate, that is, the vibration detection sensor 5 can be rotated to the upper surface of the slewing bearing to be detected, and then the second motor 20 will drive the worm 18 to rotate, and the worm 18 will drive the two worm wheels 17 to rotate, that is, it can drive the two transmission rods 15 to rotate, and the two transmission rods 15 will drive the corresponding transmission wheels 16 to rotate, that is, it can drive the outer ring of the slewing bearing to rotate, that is, the ball 14 in the slewing bearing will rotate relative to the vibration detection sensor 5, that is, the vibration detection of the slewing bearing steel ball plug can be performed.

[0054] The utility model aims to provide a vibration detection device for a slewing bearing steel ball plug, which solves the problem that in the prior art, only a single detection station is provided in the slewing bearing vibration detection device, so that it is necessary to wait until the detection work is completed before changing materials, and the equipment cannot perform the detection work during the material changing process, so the material changing will waste a lot of time and reduce the efficiency of the detection work.

[0055] The utility model is provided with detection stations on both sides, and the two stations perform detection work alternately, that is, the detection work can be carried out while the material is changed, which can reduce the time wasted in the material change and improve the detection efficiency.

[0056] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A vibration detection device for a slewing bearing steel ball plug, comprising a base plate (1) and a rotating rod (2), characterized in that: The rotating rod (2) is rotatably arranged in the middle of the bottom plate (1); a rotating plate (3) is fixedly arranged at the upper end of the rotating rod (2); a vertical rod (4) is fixedly arranged on the lower surface of the other end of the rotating plate (3); and a vibration detection sensor (5) is fixedly arranged at the lower end of the vertical rod (4); A groove is provided in the middle of the lower surface of the bottom plate (1), strip-shaped openings are provided on the upper sides of both ends of the groove, a fixed plate (6) is fixedly provided on the inner wall of one side of the strip-shaped opening, a movable plate (7) is provided on the side close to the two fixed plates (6), and a first transmission mechanism is provided on the inner side of the groove to drive the movable plate (7) to move and the rotating rod (2) to rotate; A fixing block (13) is fixedly arranged on the upper surface of the bottom plate (1), balls (14) are rollingly embedded on the upper surface of the fixing block (13), and a slewing bearing is arranged on the upper side of the two balls (14); Support plates (19) are fixedly arranged on both sides of the lower surface of the base plate (1), and a second transmission mechanism for driving the slewing bearing to rotate is arranged between the two support plates (19).

2. A vibration detection device for a slewing bearing steel ball plug according to claim 1, characterized in that: The first transmission mechanism comprises a slider (12) and a reciprocating screw rod (9), a rack (8) is fixedly arranged between the lower ends of the two movable plates (7), a gear (11) is fixedly sleeved on the lower end of the rotating rod (2), and the gear (11) is meshingly connected with the rack (8); The slider (12) is fixedly arranged at the middle end of the lower side of the rack (8), the reciprocating screw rod (9) is sleeved inside the slider (12), and the two sides of the reciprocating screw rod (9) are rotatably connected to the inner wall of the groove; A mounting groove is provided on one side of the base plate (1), a first motor (10) is fixedly arranged inside the mounting groove, and an output end of the first motor (10) is connected to a reciprocating screw rod (9).

3. A vibration detection device for a slewing bearing steel ball plug according to claim 1, characterized in that: The second transmission mechanism comprises a worm wheel (17) and a worm (18), a transmission rod (15) is rotatably sleeved inside both ends of the bottom plate (1), a transmission wheel (16) is fixedly sleeved on the upper end of the transmission rod (15), and the two transmission wheels (16) are respectively abutted against corresponding slewing bearings; The two worm wheels (17) are respectively sleeved on the lower ends of the corresponding transmission rods (15); a worm (18) is meshedly arranged at the rear sides of the two worm wheels (17); both ends of the worm (18) are movably connected to a support plate (19); a second motor (20) is fixedly arranged on the outer side of the support plate (19); and an output end of the second motor (20) is connected to the worm (18).

4. A vibration detection device for a slewing bearing steel ball plug according to claim 2, characterized in that: The first motor (10) is fixedly mounted in the mounting groove via a first support frame.

5. The vibration detection device for the slewing bearing steel ball plug according to claim 3 is characterized in that: The second motor (20) is fixedly mounted on the surface of the support plate (19) via a second support frame.

6. A vibration detection device for a slewing bearing steel ball plug according to claim 1, characterized in that: Both sides of the movable plate (7) are in contact with the inner wall of the strip-shaped opening.

7. A vibration detection device for a slewing bearing steel ball plug according to claim 1, characterized in that: The balls (14) are wear-resistant steel balls.

8. The vibration detection device for the slewing bearing steel ball plug according to claim 1 is characterized in that: The fixed plate (6) and the movable plate (7) are both provided with rubber pads on one side close to the slewing bearing.

9. A vibration detection device for a slewing bearing steel ball plug according to claim 3, characterized in that: The transmission wheel (16) is a rubber wheel.

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